Merge commit '09987d0f9d32e860f1391bb9c75b799501e2d141' as 'Subtrees/websocket'

Subtrees/websocket/examples/wsperf/Makefile

@@ -0,0 +1,24 @@
+BOOST_LIBS=boost_system boost_date_time boost_regex boost_thread boost_random boost_chrono boost_program_options
+
+include ../common.mk
+
+LDFLAGS := $(LDFLAGS) -lcrypto -lssl -lpthread
+CFLAGS := -Wall -O3 $(CFLAGS)
+
+OS=$(shell uname)
+
+ifneq ($(OS), Darwin)
+	LDFLAGS := $(LDFLAGS) -lrt -lpthread
+endif
+
+wsperf: wsperf.o request.o case.o generic.o wscmd.o stress_aggregate.o stress_handler.o
+	$(CXX) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+
+%.o: %.cpp
+	$(CXX) -c $(CFLAGS) -o $@ $^
+
+# cleanup by removing generated files
+#
+.PHONY:		clean
+clean:
+		rm -f *.o wsperf wsperf_client

Subtrees/websocket/examples/wsperf/SConscript

@@ -0,0 +1,29 @@
+## wsperf
+##
+
+Import('env')
+Import('boostlibs')
+Import('wslib')
+Import('platform_libs')
+
+localenv = env.Clone ()
+
+sources = ["wsperf.cpp",
+           "request.cpp",
+           "case.cpp",
+           "generic.cpp",
+           "stress_handler.cpp",
+           "stress_aggregate.cpp",
+           "wscmd.cpp"]
+
+LIBS = [wslib] + boostlibs(['system',
+                            'date_time',
+                            'regex',
+                            'thread',
+                            'random',
+                            'chrono',
+                            'program_options']) + [platform_libs]
+
+prg = localenv.Program('wsperf', sources, LIBS = LIBS)
+
+Return('prg')

Subtrees/websocket/examples/wsperf/case.cpp

@@ -0,0 +1,271 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "case.hpp"
+
+using wsperf::case_handler;
+
+// Construct a message_test from a wscmd command
+/* Reads values from the wscmd object into member variables. The cmd object is
+ * passed to the parent constructor for extracting values common to all test
+ * cases.
+ * 
+ * Any of the constructors may throw a `case_exception` if required parameters
+ * are not found or default values don't make sense.
+ *
+ * Values that message_test checks for:
+ *
+ * uri=[string];
+ * Example: uri=ws://localhost:9000;
+ * URI of the server to connect to
+ * 
+ * token=[string];
+ * Example: token=foo;
+ * String value that will be returned in the `token` field of all test related
+ * messages. A separate token should be sent for each unique test.
+ *
+ * quantile_count=[integer];
+ * Example: quantile_count=10;
+ * How many histogram quantiles to return in the test results
+ * 
+ * rtts=[bool];
+ * Example: rtts:true;
+ * Whether or not to return the full list of round trip times for each message
+ * primarily useful for debugging.
+ */
+case_handler::case_handler(wscmd::cmd& cmd)
+ : m_uri(extract_string(cmd,"uri")),
+   m_token(extract_string(cmd,"token")),
+   m_quantile_count(extract_number<size_t>(cmd,"quantile_count")),
+   m_rtts(extract_bool(cmd,"rtts")),
+   m_pass(RUNNING),
+   m_timeout(0),
+   m_bytes(0) {}
+
+/// Starts a test by starting the timeout timer and marking the start time
+void case_handler::start(connection_ptr con, uint64_t timeout) {
+    if (timeout > 0) {
+        m_timer.reset(new boost::asio::deadline_timer(
+            con->get_io_service(),
+            boost::posix_time::seconds(0))
+        );
+        
+        m_timeout = timeout;
+        
+        m_timer->expires_from_now(boost::posix_time::milliseconds(m_timeout));
+        m_timer->async_wait(
+            boost::bind(
+                &type::on_timer,
+                this,
+                con,
+                boost::asio::placeholders::error
+            )
+        );
+    }
+    
+    m_start = boost::chrono::steady_clock::now();
+}
+
+/// Marks an incremental time point
+void case_handler::mark() {
+    m_end.push_back(boost::chrono::steady_clock::now());
+}
+
+/// Ends a test
+/* Ends a test by canceling the timeout timer, marking the end time, generating
+ * statistics and closing the websocket connection.
+ */
+void case_handler::end(connection_ptr con) {
+    std::vector<double> avgs;
+    avgs.resize(m_quantile_count, 0);
+    
+    std::vector<double> quantiles;
+    quantiles.resize(m_quantile_count, 0);
+    
+    double avg = 0;
+    double stddev = 0;
+    double total = 0;
+    double seconds = 0;
+    
+    if (m_timeout > 0) {
+        m_timer->cancel();
+    }
+    
+    // TODO: handle weird sizes and error conditions better
+    if (m_end.size() > m_quantile_count) {
+        boost::chrono::steady_clock::time_point last = m_start;
+        
+        // convert RTTs to microsecs
+        //
+        
+        std::vector<boost::chrono::steady_clock::time_point>::iterator it;
+        for (it = m_end.begin(); it != m_end.end(); ++it) {
+            boost::chrono::nanoseconds dur = *it - last;
+            m_times.push_back(static_cast<double> (dur.count()) / 1000.);
+            last = *it;
+        }
+        
+        std::sort(m_times.begin(), m_times.end());
+        
+        size_t samples_per_quantile = m_times.size() / m_quantile_count;
+        
+        // quantiles
+        for (size_t i = 0; i < m_quantile_count; ++i) {
+            quantiles[i] = m_times[((i + 1) * samples_per_quantile) - 1];
+        }
+        
+        // total average and quantile averages
+        for (size_t i = 0; i < m_times.size(); ++i) {
+            avg += m_times[i];
+            avgs[i / samples_per_quantile] 
+                += m_times[i] / static_cast<double>(samples_per_quantile);
+        }
+        
+        avg /= static_cast<double> (m_times.size());
+        
+        // standard dev corrected for estimation from sample
+        for (size_t i = 0; i < m_times.size(); ++i) {
+            stddev += (m_times[i] - avg) * (m_times[i] - avg);
+        }
+        
+        // Bessel's correction
+        stddev /= static_cast<double> (m_times.size() - 1); 
+        stddev = std::sqrt(stddev);
+    } else {
+        m_times.push_back(0);
+    }
+    
+    boost::chrono::nanoseconds total_dur = m_end[m_end.size()-1] - m_start;
+    total = static_cast<double> (total_dur.count()) / 1000.; // microsec
+    seconds = total / 10000000.;
+    
+    std::stringstream s;
+    std::string outcome;
+    
+    switch (m_pass) {
+        case FAIL:
+            outcome = "fail";
+            break;
+        case PASS:
+            outcome = "pass";
+            break;
+        case TIME_OUT:
+            outcome = "time_out";
+            break;
+        case RUNNING:
+            throw case_exception("end() called from RUNNING state");
+            break;
+    }
+    
+    s << "{\"result\":\"" << outcome 
+      << "\",\"min\":" << m_times[0] 
+      << ",\"max\":" << m_times[m_times.size()-1] 
+      << ",\"median\":" << m_times[(m_times.size()-1)/2] 
+      << ",\"avg\":" << avg 
+      << ",\"stddev\":" << stddev 
+      << ",\"total\":" << total 
+      << ",\"bytes\":" << m_bytes 
+      << ",\"quantiles\":[";
+      
+    for (size_t i = 0; i < m_quantile_count; i++) {
+        s << (i > 0 ? "," : "");
+        s << "[";
+        s << avgs[i] << "," << quantiles[i];
+        s << "]";
+    }                 
+    s << "]";
+    
+    if (m_rtts) {
+        s << ",\"rtts\":[";
+        for (size_t i = 0; i < m_times.size(); i++) {
+            s << (i > 0 ? "," : "") << m_times[i];
+        }
+        s << "]";
+    };
+    s << "}";
+    
+    m_data = s.str();
+    
+    con->close(websocketpp::close::status::NORMAL,"");
+}
+
+/// Fills a buffer with utf8 bytes
+void case_handler::fill_utf8(std::string& data,size_t size,bool random) {
+    if (random) {
+        uint32_t val;
+        for (size_t i = 0; i < size; i++) {
+            if (i%4 == 0) {
+                val = uint32_t(rand());
+            }
+            
+            data.push_back(char(((reinterpret_cast<uint8_t*>(&val)[i%4])%95)+32));
+        }
+    } else {
+        data.assign(size,'*');
+    }
+}
+
+/// Fills a buffer with bytes
+void case_handler::fill_binary(std::string& data,size_t size,bool random) {
+    if (random) {
+        int32_t val;
+        for (size_t i = 0; i < size; i++) {
+            if (i%4 == 0) {
+                val = rand();
+            }
+            
+            data.push_back((reinterpret_cast<char*>(&val))[i%4]);
+        }
+    } else {
+        data.assign(size,'*');
+    }
+}
+
+void case_handler::on_timer(connection_ptr con,const boost::system::error_code& error) {
+    if (error == boost::system::errc::operation_canceled) {
+        return; // timer was canceled because test finished
+    }
+    
+    // time out
+    mark();
+    m_pass = TIME_OUT;
+    this->end(con);
+}
+
+void case_handler::on_fail(connection_ptr con) {
+    m_data = "{\"result\":\"connection_failed\"}";
+}
+
+const std::string& case_handler::get_data() const {
+    return m_data;
+}
+const std::string& case_handler::get_token() const {
+    return m_token;
+}
+const std::string& case_handler::get_uri() const {
+    return m_uri;
+}

Subtrees/websocket/examples/wsperf/case.hpp

@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSPERF_CASE_HPP
+#define WSPERF_CASE_HPP
+
+#include "wscmd.hpp"
+
+#include "../../src/roles/client.hpp"
+#include "../../src/websocketpp.hpp"
+
+#include <boost/chrono.hpp>
+
+#include <exception>
+
+using websocketpp::client;
+
+namespace wsperf {
+
+class case_exception : public std::exception {
+public: 
+    case_exception(const std::string& msg) : m_msg(msg) {}
+    ~case_exception() throw() {}
+    
+    virtual const char* what() const throw() {
+        return m_msg.c_str();
+    }
+    
+    std::string m_msg;
+};
+
+class case_handler : public client::handler {
+public:
+    typedef case_handler type;
+    
+    /// Construct a message test from a wscmd command
+    explicit case_handler(wscmd::cmd& cmd);
+    
+    void start(connection_ptr con, uint64_t timeout);
+    void end(connection_ptr con);
+    
+    void mark();
+    
+    // Just does random ascii right now. True random UTF8 with multi-byte stuff
+    // would probably be better
+    void fill_utf8(std::string& data,size_t size,bool random = true);
+    void fill_binary(std::string& data,size_t size,bool random = true);
+    
+    void on_timer(connection_ptr con,const boost::system::error_code& error);
+    
+    void on_close(connection_ptr con) {
+        con->alog()->at(websocketpp::log::alevel::DEVEL) 
+            << "case_handler::on_close" 
+            << websocketpp::log::endl;
+    }
+    void on_fail(connection_ptr con);
+    
+    const std::string& get_data() const;
+    const std::string& get_token() const;
+    const std::string& get_uri() const;
+    
+    // TODO: refactor these three extract methods into wscmd
+    std::string extract_string(wscmd::cmd command,std::string key) {
+        if (command.args[key] != "") {
+           return command.args[key];
+        } else {
+            throw case_exception("Invalid " + key + " parameter.");
+        }
+    }
+    
+    template <typename T>
+    T extract_number(wscmd::cmd command,std::string key) {
+        if (command.args[key] != "") {
+            std::istringstream buf(command.args[key]);
+            T val;
+            
+            buf >> val;
+            
+            if (buf) {return val;}
+        }
+        throw case_exception("Invalid " + key + " parameter.");
+    }
+    
+    bool extract_bool(wscmd::cmd command,std::string key) {
+        if (command.args[key] != "") {
+            if (command.args[key] == "true") {
+                return true;
+            } else if (command.args[key] == "false") {
+                return false;
+            }
+        }
+        throw case_exception("Invalid " + key + " parameter.");
+    }
+protected:
+    enum status {
+        FAIL = 0,
+        PASS = 1,
+        TIME_OUT = 2,
+        RUNNING = 3
+    };
+    
+    std::string                 m_uri;
+    std::string                 m_token;
+    size_t                      m_quantile_count;
+    bool                        m_rtts;
+    std::string                 m_data;
+    
+    status                      m_pass;
+    
+    uint64_t                                                m_timeout;
+    boost::shared_ptr<boost::asio::deadline_timer>          m_timer;
+    
+    boost::chrono::steady_clock::time_point                 m_start;
+    std::vector<boost::chrono::steady_clock::time_point>    m_end;
+    std::vector<double>                                     m_times;
+    
+    uint64_t                    m_bytes;
+};
+
+typedef boost::shared_ptr<case_handler> case_handler_ptr;
+
+} // namespace wsperf
+
+#endif // WSPERF_CASE_HPP

Subtrees/websocket/examples/wsperf/generic.cpp

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "generic.hpp"
+ 
+using wsperf::message_test;
+
+// Construct a message_test from a wscmd command
+/* Reads values from the wscmd object into member variables. The cmd object is
+ * passed to the parent constructor for extracting values common to all test
+ * cases.
+ * 
+ * Any of the constructors may throw a `case_exception` if required parameters
+ * are not found or default values don't make sense.
+ *
+ * Values that message_test checks for:
+ *
+ * size=[interger];
+ * Example: size=4096;
+ * Size of messages to send in bytes. Valid values 0 - max size_t
+ *
+ * count=[integer];
+ * Example: count=1000;
+ * Number of test messages to send. Valid values 0-2^64
+ * 
+ * timeout=[integer];
+ * Example: timeout=10000;
+ * How long to wait (in ms) for a response before failing the test.
+ * 
+ * binary=[bool];
+ * Example: binary=true;
+ * Whether or not to use binary websocket frames. (true=binary, false=utf8)
+ * 
+ * sync=[bool];
+ * Example: sync=true;
+ * Syncronize messages. When sync is on wsperf will wait for a response before
+ * sending the next message. When sync is off, messages will be sent as quickly
+ * as possible.
+ * 
+ * correctness=[string];
+ * Example: correctness=exact;
+ * Example: correctness=length;
+ * How to evaluate the correctness of responses. Exact checks each response for
+ * exact correctness. Length checks only that the response has the correct 
+ * length. Length mode is faster but won't catch invalid implimentations. Length
+ * mode can be used to test situations where you deliberately return incorrect
+ * bytes in order to compare performance (ex: performance with/without masking)
+ */
+message_test::message_test(wscmd::cmd& cmd) 
+ : case_handler(cmd), 
+   m_message_size(extract_number<uint64_t>(cmd,"size")),
+   m_message_count(extract_number<uint64_t>(cmd,"count")),
+   m_timeout(extract_number<uint64_t>(cmd,"timeout")),
+   m_binary(extract_bool(cmd,"binary")),
+   m_sync(extract_bool(cmd,"sync")),
+   m_acks(0)
+{
+    if (cmd.args["correctness"] == "exact") {
+        m_mode = EXACT;
+    } else if (cmd.args["correctness"] == "length") {
+        m_mode = LENGTH;
+    } else {
+        throw case_exception("Invalid correctness parameter.");
+    }
+}
+
+void message_test::on_open(connection_ptr con) {
+    con->alog()->at(websocketpp::log::alevel::DEVEL) 
+        << "message_test::on_open" << websocketpp::log::endl;
+    
+    m_msg = con->get_data_message();
+    
+    m_data.reserve(static_cast<size_t>(m_message_size));
+    
+    if (!m_binary) {
+        fill_utf8(m_data,static_cast<size_t>(m_message_size),true);
+        m_msg->reset(websocketpp::frame::opcode::TEXT);
+    } else {
+        fill_binary(m_data,static_cast<size_t>(m_message_size),true);
+        m_msg->reset(websocketpp::frame::opcode::BINARY);
+    }
+    
+    m_msg->set_payload(m_data);
+    
+    start(con,m_timeout);
+    
+    if (m_sync) {
+        con->send(m_msg);
+    } else {
+        for (uint64_t i = 0; i < m_message_count; i++) {
+            con->send(m_msg);
+        }
+    }
+}
+
+void message_test::on_message(connection_ptr con,websocketpp::message::data_ptr msg) {
+    if ((m_mode == LENGTH && msg->get_payload().size() == m_data.size()) || 
+        (m_mode == EXACT && msg->get_payload() == m_data))
+    {
+        m_acks++;
+        m_bytes += m_message_size;
+        mark();
+    } else {
+        mark();
+        m_msg.reset();
+        m_pass = FAIL;
+        
+        this->end(con);
+    }
+    
+    if (m_acks == m_message_count) {
+        m_pass = PASS;
+        m_msg.reset();
+        this->end(con);
+    } else if (m_sync && m_pass == RUNNING) {
+        con->send(m_msg);
+    }
+}

Subtrees/websocket/examples/wsperf/generic.hpp

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSPERF_CASE_GENERIC_HPP
+#define WSPERF_CASE_GENERIC_HPP
+
+#include "case.hpp"
+#include "wscmd.hpp"
+
+namespace wsperf {
+
+enum correctness_mode {
+    EXACT = 0,
+    LENGTH = 1
+};
+
+class message_test : public case_handler {
+public: 
+    /// Construct a message test from a wscmd command
+    explicit message_test(wscmd::cmd& cmd);
+    
+    void on_open(connection_ptr con);
+    void on_message(connection_ptr con,websocketpp::message::data_ptr msg);
+private:
+    // Simulation Parameters
+    uint64_t            m_message_size;
+    uint64_t            m_message_count;
+    uint64_t            m_timeout;
+    bool                m_binary;
+    bool                m_sync;
+    correctness_mode    m_mode;
+    
+    // Simulation temporaries
+    std::string         m_data;
+    message_ptr         m_msg;
+    uint64_t            m_acks;
+};
+
+} // namespace wsperf
+
+#endif // WSPERF_CASE_GENERIC_HPP

Subtrees/websocket/examples/wsperf/message_test.html

@@ -0,0 +1,277 @@
+<!doctype html>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
+</head>
+<body>
+
+<script type="text/javascript">
+var ws;
+var url;
+
+function connect() {
+	url = document.getElementById("server_url").value;
+	console.log(url);
+	
+	if ("WebSocket" in window) {
+		ws = new WebSocket(url);
+	} else if ("MozWebSocket" in window) {
+		ws = new MozWebSocket(url);
+	} else {
+		write_error("This Browser does not support WebSockets.");
+		return;
+	}
+	ws.onopen = function(e) {
+		document.getElementById("server_url").disabled = true;
+		document.getElementById("toggle_connect").innerHTML = "Disconnect";
+	};
+	
+	ws.onerror = function(e) {
+		write_error("Client: An error occured, see console log for more details.");
+		console.log(e);
+	};
+	
+	ws.onclose = function(e) {
+		document.getElementById("server_url").disabled = false;
+		document.getElementById("toggle_connect").innerHTML = "Connect";
+		document.getElementById("server_details").innerHTML = "";
+	};
+	
+	ws.onmessage = function(e) {
+		var data = JSON.parse(e.data);
+				
+		if (data.type == "test_welcome") {
+			var o = "";
+			o += "<strong>Version:</strong> "+data.version+" ";
+			o += "<strong>Ident:</strong> "+data.ident+" ";
+			o += "<strong>num_workers:</strong> "+data.num_workers+" ";
+			document.getElementById("server_details").innerHTML = o;
+		} else if (data.type == "test_start") {
+
+			$("#result-"+data.token).removeClass("pass fail error");
+			
+			if ($("#result-"+data.token).length == 0) {
+				var o = "";
+				o += "<tr id='result-"+data.token+"'>";
+				
+				o += "<td class='token'>"+data.token+"</td>";
+				o += "<td class='status'>Running</td>";
+				o += "<td class='result'></td>";
+				o += "<td class='total'></td>";
+				o += "<td class='bytes'></td>";
+				o += "<td class='min'></td>";
+				o += "<td class='median'></td>";
+				o += "<td class='mean'></td>";
+				o += "<td class='max'></td>";
+				o += "<td class='stddev'></td>";
+				o += "<td class='MBps'></td>";
+				
+				o += "</tr>";
+				
+				o += document.getElementById("results-body").innerHTML;
+				document.getElementById("results-body").innerHTML = o;
+				//$("#results-body").html(o);
+			} else {
+				var o = "<td>"+data.token+"</td><td>Running</td>";
+				
+				o += "<td class='result'></td>";
+				o += "<td class='total'></td>";
+				o += "<td class='bytes'></td>";
+				o += "<td class='min'></td>";
+				o += "<td class='median'></td>";
+				o += "<td class='mean'></td>";
+				o += "<td class='max'></td>";
+				o += "<td class='stddev'></td>";
+				o += "<td class='MBps'></td>";
+				
+				$("#result-"+data.token).html(o);
+			}
+		} else if (data.type == "test_complete") {
+			$("#result-"+data.token+" .status").html("Complete");
+		} else if (data.type == "test_data") {
+			if (data.data.current_connections != null) {
+				var foo = "";
+				
+				foo += "Current Connections: "+data.data.current_connections+"<br />";
+				foo += "Max Connections: "+data.data.max_connections+"<br />";
+				foo += "Total Connections: "+data.data.total_connections+"<br />";
+				foo += "Failed Connections: "+data.data.failed_connections+"<br />";
+				
+				$("#result-"+data.token+" .result").html(foo);
+			}
+			
+			$("#result-"+data.token+" .result").html(data.data.result);
+			$("#result-"+data.token+" .total").html(data.data.total);
+			$("#result-"+data.token+" .bytes").html(data.data.bytes);
+			$("#result-"+data.token+" .min").html(data.data.min);
+			$("#result-"+data.token+" .median").html(data.data.median);
+			$("#result-"+data.token+" .mean").html(data.data.avg);
+			$("#result-"+data.token+" .max").html(data.data.max);
+			$("#result-"+data.token+" .stddev").html(data.data.stddev);
+			$("#result-"+data.token+" .MBps").html((data.data.bytes/data.data.total).toFixed(4));
+			
+			$("#result-"+data.token).addClass(data.data.result);
+		} else if (data.type == "error") {
+			$("#result-"+data.token+" .status").html("Error");
+			$("#messages").html(data.data+"<br />");
+		} else {
+			console.log(data);
+		}
+	};
+}
+
+function write_error(msg) {
+	$("#messages").css("display","block").html(msg);
+}
+
+function disconnect() {
+	ws.close();
+	$("#server_url").attr("disabled","disabled");
+	$("#toggle_connect").html("Connect");
+}
+
+function toggle_connect() {
+	if ($("#server_url").attr("disabled") == "disabled") {
+		disconnect();
+	} else {
+		connect();
+	}
+}
+
+function send() {
+	$("#messages").css("display","none");
+	
+	if (ws === undefined || ws.readyState != 1) {
+		write_error("Websocket is not avaliable for writing");
+		return;
+	}	
+	
+	ws.send($("#msg").val());
+}
+
+</script>
+
+<style>
+body,html {
+	margin: 0px;
+	padding: 0px;
+	font-family: Tahoma,Arial,Verdana,sans-serif;
+	background-color: #F4F4F4;
+}
+#server_url {
+	width: 200px;
+}
+h2 {
+	font-size: 18px;
+	margin: 20px 20px;
+}
+#controls {
+	/*float:right;*/
+	background-color: #333;
+	color: white;
+	font-size: 14px;
+	padding: 4px;
+}
+#msg {
+	width: 100%;
+	
+	box-sizing: border-box;
+	-webkit-box-sizing:border-box;
+	-moz-box-sizing: border-box;
+	-ms-box-sizing: border-box;
+	
+	display: block;
+	height: 5em;
+}
+#message_input button {
+	display: block;
+}
+
+#message_input {
+	margin: 0px 20px;
+}
+
+#results {
+	margin: 0px 20px;
+}
+#results table {
+	width: 100%;
+	border: 1px solid white;
+	color: white;
+	border-collapse: collapse;
+	border-spacing: 0px;
+}
+
+#messages {
+	display: none;
+	margin: 20px;
+	padding: 4px;
+	color: white;
+}
+
+th,td {
+	font-weight: normal;
+	padding: 6px;
+	font-size: 0.8em;
+	border: 1px solid white;
+}
+
+thead tr {
+	background-color: #048;
+}
+
+tbody tr {
+	background-color: #666;
+}
+.pass {
+	background-color: #0A0;
+}
+.fail {
+	background-color: #900;
+}
+.error {
+	background-color: #9A0;
+}
+
+</style>
+
+<div id="controls">
+	<div id="server">
+		<input type="text" name="server_url" id="server_url" value="ws://localhost:9050" />
+		<button id="toggle_connect" onclick="toggle_connect();">Connect</button>
+		<span id="server_details"></span>
+	</div>
+</div>
+<h2>Run Test</h2>
+<div id="message_input">
+	<textarea type="text" id="msg">message_test:uri=ws://localhost:9002;size=10;count=1;timeout=10000;binary=true;sync=true;correctness=exact;token=foo;quantile_count=10;rtts=false;</textarea><br />
+	<button onclick="send();">Run Test</button>
+</div>
+<h2>Test Results</h2>
+<div id="messages" class='fail'></div>
+<div id="results">
+	<table>
+		<thead>
+			<tr>
+				<th>Token</th>
+				<th>Status</th>
+				<th>Result</th>
+				<th>Time (µs)</th>
+				<th>Size (bytes)</th>
+				<th>Min</th>
+				<th>Median</th>
+				<th>Mean</th>
+				<th>Max</th>
+				<th>Stddev</th>
+				<th>MB/sec</th>
+			</tr>
+		</thead>
+		<tbody id="results-body">
+			
+		</tbody>
+	</table>
+</div>
+
+</body>
+</html>

Subtrees/websocket/examples/wsperf/request.cpp

@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "request.hpp"
+#include "stress_aggregate.hpp"
+
+#include <algorithm>
+#include <sstream>
+
+using wsperf::request;
+
+void request::process(unsigned int id) {
+    case_handler_ptr test;
+    stress_handler_ptr shandler;
+    std::string uri;
+    //size_t connections_opened = 0;
+    size_t connection_count;
+    
+    wscmd::cmd command = wscmd::parse(req);
+    
+    try {
+        if (command.command == "message_test") {
+            test = case_handler_ptr(new message_test(command));
+            token = test->get_token();
+            uri = test->get_uri();
+        } else if (command.command == "stress_test") {
+            shandler = stress_handler_ptr(new stress_aggregate(command));
+            
+            // todo make sure this isn't 0
+            if(!wscmd::extract_number<size_t>(command, "connection_count",connection_count)) {
+                connection_count = 1;
+            }
+            
+            if (command.args["token"] != "") {
+                token = command.args["token"];
+            } else {
+                throw case_exception("Invalid token parameter.");
+            }
+            
+            if (command.args["uri"] != "") {
+                uri = command.args["uri"];
+            } else {
+                throw case_exception("Invalid uri parameter.");
+            }
+        } else {
+            writer->write(prepare_response("error","Invalid Command"));
+            return;
+        }
+        
+        std::stringstream o;
+        o << "{\"worker_id\":" << id << "}";
+        
+        writer->write(prepare_response_object("test_start",o.str()));
+        
+        if (command.command == "message_test") {
+            client e(test);
+            
+            e.alog().set_level(websocketpp::log::alevel::ALL);
+            e.elog().set_level(websocketpp::log::elevel::ALL);
+            
+            //e.alog().unset_level(websocketpp::log::alevel::ALL);
+            //e.elog().unset_level(websocketpp::log::elevel::ALL);
+            
+            //e.elog().set_level(websocketpp::log::elevel::RERROR);
+            //e.elog().set_level(websocketpp::log::elevel::FATAL);
+                        
+            e.connect(uri);
+            e.run();
+            
+            writer->write(prepare_response_object("test_data",test->get_data()));
+        } else if (command.command == "stress_test") {
+            client e(shandler);
+            
+            e.alog().unset_level(websocketpp::log::alevel::ALL);
+            e.elog().unset_level(websocketpp::log::elevel::ALL);
+            
+            /*client::connection_ptr con;
+            con = e.get_connection(uri);
+            shandler->on_connect(con);
+            e.connect(con);*/
+            
+            boost::thread t(boost::bind(&client::run, &e, true));
+            
+            size_t handshake_delay;
+            if(!wscmd::extract_number<size_t>(command, "handshake_delay",handshake_delay)) {
+                handshake_delay = 10;
+            }
+            
+            // open n connections
+            for (size_t i = 0; i < connection_count; i++) {
+                client::connection_ptr con;
+                con = e.get_connection(uri);
+                shandler->on_connect(con);
+                e.connect(con);
+            
+                boost::this_thread::sleep(boost::posix_time::milliseconds(handshake_delay));
+            }
+            
+            // start sending messages 
+            shandler->start_message_test();
+            
+            e.end_perpetual();
+            
+            t.join();
+            
+            std::cout << "writing data" << std::endl;
+            writer->write(prepare_response_object("test_data",shandler->get_data()));
+            
+            /*for (;;) {
+                // tell the handler to perform its event loop
+                
+                bool quit = false;
+                
+                if (connections_opened == connection_count) {
+                    std::cout << "maintenance loop" << std::endl;
+                    quit = shandler->maintenance();
+                }
+                
+                // check for done-ness
+                if (quit) {
+                    // send update to command
+                    std::cout << "writing data" << std::endl;
+                    writer->write(prepare_response_object("test_data",shandler->get_data()));
+                    break;
+                }
+                
+                // unless we know we have something to do, sleep for a bit.
+                if (connections_opened < connection_count) {
+                    continue;
+                }
+                
+                boost::this_thread::sleep(boost::posix_time::milliseconds(1000));
+            }*/
+            //e.end_perpetual();
+            
+        }
+
+        writer->write(prepare_response("test_complete",""));
+    } catch (case_exception& e) {
+        std::cout << "case_exception: " << e.what() << std::endl;
+        writer->write(prepare_response("error",e.what()));
+        return;
+    } catch (websocketpp::exception& e) {
+        std::cout << "websocketpp::exception: " << e.what() << std::endl;
+        writer->write(prepare_response("error",e.what()));
+        return;
+    } catch (websocketpp::uri_exception& e) {
+        std::cout << "websocketpp::uri_exception: " << e.what() << std::endl;
+        writer->write(prepare_response("error",e.what()));
+        return;
+    }
+}
+
+std::string request::prepare_response(std::string type,std::string data) {
+    return "{\"type\":\"" + type 
+            + "\",\"token\":\"" + token + "\",\"data\":\"" + data + "\"}";
+}
+    
+std::string request::prepare_response_object(std::string type,std::string data){
+    return "{\"type\":\"" + type 
+            + "\",\"token\":\"" + token + "\",\"data\":" + data + "}";
+}
+
+void wsperf::process_requests(request_coordinator* coordinator,unsigned int id) {
+    request r;
+    
+    while (1) {
+        coordinator->get_request(r);
+        
+        if (r.type == PERF_TEST) {
+            r.process(id);
+        } else {
+            break;
+        }
+    }
+}

Subtrees/websocket/examples/wsperf/request.hpp

@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSPERF_REQUEST_HPP
+#define WSPERF_REQUEST_HPP
+
+#include "case.hpp"
+#include "generic.hpp"
+#include "wscmd.hpp"
+
+#include "../../src/roles/client.hpp"
+#include "../../src/websocketpp.hpp"
+
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition_variable.hpp>
+
+using websocketpp::client;
+using websocketpp::server;
+
+namespace wsperf {
+
+enum request_type {
+    PERF_TEST = 0,
+    END_WORKER = 1
+};
+
+class writer {
+public:
+	virtual ~writer() {}
+	
+    virtual void write(std::string msg) = 0;
+};
+
+typedef boost::shared_ptr<writer> writer_ptr;
+
+template <typename endpoint_type>
+class ws_writer : public writer {
+public:
+    ws_writer(typename endpoint_type::handler::connection_ptr con) 
+     : m_con(con) {}
+    
+    void write(std::string msg) {
+        m_con->send(msg);
+    }
+private:
+    typename endpoint_type::handler::connection_ptr m_con;
+};
+
+// A request encapsulates all of the information necesssary to perform a request
+// the coordinator will fill in this information from the websocket connection 
+// and add it to the processing queue. Sleeping in this example is a placeholder
+// for any long serial task.
+struct request {
+    writer_ptr  writer;
+    
+    request_type type;
+    std::string req;                // The raw request
+    std::string token;              // Parsed test token. Return in all results    
+    
+    /// Run a test and return JSON result
+    void process(unsigned int id);
+    
+    // Simple json generation
+    std::string prepare_response(std::string type,std::string data);
+    std::string prepare_response_object(std::string type,std::string data);
+};
+
+// The coordinator is a simple wrapper around an STL queue. add_request inserts
+// a new request. get_request returns the next available request and blocks
+// (using condition variables) in the case that the queue is empty.
+class request_coordinator {
+public:
+    void add_request(const request& r) {
+        {
+            boost::unique_lock<boost::mutex> lock(m_lock);
+            m_requests.push(r);
+        }
+        m_cond.notify_one();
+    }
+    
+    void get_request(request& value) {
+        boost::unique_lock<boost::mutex> lock(m_lock);
+        
+        while (m_requests.empty()) {
+            m_cond.wait(lock);
+        }
+        
+        value = m_requests.front();
+        m_requests.pop();
+    }
+    
+    void reset() {
+        boost::unique_lock<boost::mutex> lock(m_lock);
+        
+        while (!m_requests.empty()) {
+            m_requests.pop();
+        }
+    }
+private:
+    std::queue<request>         m_requests;
+    boost::mutex                m_lock;
+    boost::condition_variable   m_cond;
+};
+
+/// Handler that reads requests off the wire and dispatches them to a request queue
+template <typename endpoint_type>
+class concurrent_handler : public endpoint_type::handler {
+public:
+    typedef typename endpoint_type::handler::connection_ptr connection_ptr;
+    typedef typename endpoint_type::handler::message_ptr message_ptr;
+    
+    concurrent_handler(request_coordinator& c,
+                       std::string ident, 
+                       std::string ua,
+                       unsigned int num_workers)
+     : m_coordinator(c), 
+       m_ident(ident), 
+       m_ua(ua),
+       m_num_workers(num_workers),
+       m_blocking(num_workers == 0) {}
+    
+    void on_open(connection_ptr con) {
+        std::stringstream o;
+        
+        o << "{"
+          << "\"type\":\"test_welcome\","
+          << "\"version\":\"" << m_ua << "\","
+          << "\"ident\":\"" << m_ident << "\","
+          << "\"num_workers\":" << m_num_workers 
+          << "}";
+        
+        con->send(o.str());
+    }
+    
+    void on_message(connection_ptr con, message_ptr msg) {
+        request r;
+        r.type = PERF_TEST;
+        r.writer = writer_ptr(new ws_writer<endpoint_type>(con));
+        r.req = msg->get_payload();
+        
+        if (m_blocking) {
+            r.process(0);
+        } else {
+            m_coordinator.add_request(r);
+        }
+    }
+    
+    void on_fail(connection_ptr con) {
+        std::cout << "A command connection failed." << std::endl;
+    }
+    
+    void on_close(connection_ptr con) {
+        std::cout << "A command connection closed." << std::endl;
+    }
+private:
+    request_coordinator&    m_coordinator;
+    std::string             m_ident;
+    std::string             m_ua;
+    unsigned int            m_num_workers;
+    bool                    m_blocking;
+};
+
+// process_requests is the body function for a processing thread. It loops 
+// forever reading requests, processing them serially, then reading another 
+// request. A request with type END_WORKER will stop the processing loop.
+void process_requests(request_coordinator* coordinator, unsigned int id);
+
+} // namespace wsperf
+
+#endif // WSPERF_REQUEST_HPP

Subtrees/websocket/examples/wsperf/stress_aggregate.cpp

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "stress_aggregate.hpp"
+
+using wsperf::stress_aggregate;
+
+// Construct a message_test from a wscmd command
+/* Reads values from the wscmd object into member variables. The cmd object is
+ * passed to the parent constructor for extracting values common to all test
+ * cases.
+ * 
+ * Any of the constructors may throw a `case_exception` if required parameters
+ * are not found or default values don't make sense.
+ *
+ * Values that message_test checks for:
+ *
+ * uri=[string];
+ * Example: uri=ws://localhost:9000;
+ * URI of the server to connect to
+ * 
+ * token=[string];
+ * Example: token=foo;
+ * String value that will be returned in the `token` field of all test related
+ * messages. A separate token should be sent for each unique test.
+ *
+ * quantile_count=[integer];
+ * Example: quantile_count=10;
+ * How many histogram quantiles to return in the test results
+ * 
+ * rtts=[bool];
+ * Example: rtts:true;
+ * Whether or not to return the full list of round trip times for each message
+ * primarily useful for debugging.
+ */
+stress_aggregate::stress_aggregate(wscmd::cmd& cmd)
+ : stress_handler(cmd)
+{}
+
+void stress_aggregate::start(connection_ptr con) {
+    
+}
+
+/*void stress_aggregate::on_message(connection_ptr con,websocketpp::message::data_ptr msg) {
+    std::string hash = websocketpp::md5_hash_hex(msg->get_payload());
+    
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    m_msg_stats[hash]++;
+}*/
+
+/*std::string stress_aggregate::get_data() const {
+    std::stringstream data;
+    
+    std::string sep = "";
+    
+    data << "{";
+    
+    std::map<std::string,size_t>::iterator it;
+    
+    {
+        boost::lock_guard<boost::mutex> lock(m_lock);
+        for (it = m_msg_stats.begin(); it != m_msg_stats.end(); it++) {
+            data << sep << "\"" << (*it)->first << "\":" << (*it)->second;
+            sep = ",";
+        }
+    }
+    
+    data << "}";
+    
+    return data;
+}*/
+

Subtrees/websocket/examples/wsperf/stress_aggregate.hpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSPERF_STRESS_AGGREGATE_HPP
+#define WSPERF_STRESS_AGGREGATE_HPP
+
+#include "stress_handler.hpp"
+
+namespace wsperf {
+
+class stress_aggregate : public stress_handler {
+public:
+    typedef stress_aggregate type;
+    
+    
+    /// Construct a stress test from a wscmd command
+    explicit stress_aggregate(wscmd::cmd& cmd);
+    
+    //void on_message(connection_ptr con,websocketpp::message::data_ptr msg);
+    
+    void start(connection_ptr con);
+    void end();
+    
+    const std::string get_data() const;
+protected:
+    std::map<std::string,size_t> m_msg_stats;
+    
+    
+};
+
+typedef boost::shared_ptr<stress_aggregate> stress_aggregate_ptr;
+
+} // namespace wsperf
+
+#endif // WSPERF_STRESS_AGGREGATE_HPP

Subtrees/websocket/examples/wsperf/stress_handler.cpp

@@ -0,0 +1,358 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "stress_handler.hpp"
+
+using wsperf::stress_handler;
+
+// Construct a message_test from a wscmd command
+/* Reads values from the wscmd object into member variables. The cmd object is
+ * passed to the parent constructor for extracting values common to all test
+ * cases.
+ * 
+ * Any of the constructors may throw a `case_exception` if required parameters
+ * are not found or default values don't make sense.
+ *
+ * Values that message_test checks for:
+ *
+ * uri=[string];
+ * Example: uri=ws://localhost:9000;
+ * URI of the server to connect to
+ * 
+ * token=[string];
+ * Example: token=foo;
+ * String value that will be returned in the `token` field of all test related
+ * messages. A separate token should be sent for each unique test.
+ *
+ * quantile_count=[integer];
+ * Example: quantile_count=10;
+ * How many histogram quantiles to return in the test results
+ * 
+ * rtts=[bool];
+ * Example: rtts:true;
+ * Whether or not to return the full list of round trip times for each message
+ * primarily useful for debugging.
+ */
+stress_handler::stress_handler(wscmd::cmd& cmd)
+  : m_current_connections(0)
+  , m_max_connections(0)
+  , m_total_connections(0)
+  , m_failed_connections(0)
+  , m_next_con_id(0)
+  , m_init(boost::chrono::steady_clock::now())
+  , m_next_msg_id(0)
+  , m_con_sync(false)
+{
+    if (!wscmd::extract_number<size_t>(cmd,"msg_count",m_msg_count)) {
+        m_msg_count = 0;
+    }
+    
+    if (!wscmd::extract_number<size_t>(cmd,"msg_size",m_msg_size)) {
+        m_msg_size = 0;
+    }
+    
+    std::string mode;
+    if (wscmd::extract_string(cmd,"msg_mode",mode)) {
+        if (mode == "fixed") {
+            m_msg_mode = msg_mode::FIXED;
+        } else if (mode == "infinite") {
+            m_msg_mode = msg_mode::UNLIMITED;
+        } else {
+            m_msg_mode = msg_mode::NONE;
+        }
+    } else {
+         m_msg_mode = msg_mode::NONE;
+    }
+    
+    if (wscmd::extract_string(cmd,"con_lifetime",mode)) {
+        if (mode == "random") {
+            m_con_lifetime = con_lifetime::RANDOM;
+        } else if (mode == "infinite") {
+            m_con_lifetime = con_lifetime::UNLIMITED;
+        } else {
+            m_con_lifetime = con_lifetime::FIXED;
+        }
+    } else {
+        m_con_lifetime = con_lifetime::FIXED;
+    }
+    
+    if (m_con_lifetime == con_lifetime::FIXED) {
+        if (!wscmd::extract_number<size_t>(cmd,"con_duration",m_con_duration)) {
+            m_con_duration = 5000;
+        }
+    } else if (m_con_lifetime == con_lifetime::RANDOM) {
+        size_t max_dur;
+        if (!wscmd::extract_number<size_t>(cmd,"con_duration",max_dur)) {
+            max_dur = 5000;
+        }
+        
+        // TODO: choose random number between 0 and max_dur
+        m_con_duration = max_dur;
+    }
+}
+
+void stress_handler::on_connect(connection_ptr con) {
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    
+    m_con_data[con] = con_data(m_next_con_id++, m_init);
+    m_con_data[con].start = boost::chrono::steady_clock::now();
+}
+
+void stress_handler::on_handshake_init(connection_ptr con) {
+    boost::lock_guard<boost::mutex> lock(m_lock);
+        
+    m_con_data[con].tcp_established = boost::chrono::steady_clock::now();
+    
+    // TODO: log close reason?
+}
+
+void stress_handler::start_message_test() {
+    m_msg.reset(new std::string());
+    m_msg->assign(m_msg_size,'*');
+    
+    // for each connection send the first message
+    std::map<connection_ptr,con_data>::iterator it;
+    for (it = m_con_data.begin(); it != m_con_data.end(); it++) {
+        connection_ptr con = (*it).first;
+        con_data& data = (*it).second;
+        
+        /*data.msg = con->get_data_message();
+        std::string msg;
+        msg.assign(m_msg_size,'*');
+        
+        data.msg->set_payload(msg);
+        
+        data.msg->reset(websocketpp::frame::opcode::BINARY);*/
+        
+        boost::lock_guard<boost::mutex> lock(m_lock);
+        
+        msg_data foo;
+        
+        foo.msg_id = m_next_msg_id++;        
+        foo.send_time = boost::chrono::steady_clock::now();
+        data.messages.push_back(foo);
+        
+        con->send(*m_msg);
+    }
+}
+
+void stress_handler::on_message(connection_ptr con,websocketpp::message::data_ptr msg) {
+    time_point mark = boost::chrono::steady_clock::now();
+    
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    
+    std::map<connection_ptr,con_data>::iterator element = m_con_data.find(con);
+    
+    if (element == m_con_data.end()) {
+        std::cout << "Bad Bad Bad" << std::endl;
+        return;
+    }
+    
+    con_data& data = (*element).second;
+    
+    data.messages.back().recv_time = mark;
+    
+        
+    if (data.messages.size() < m_msg_count) {
+        msg_data foo;
+        
+        foo.msg_id = m_next_msg_id++;        
+        foo.send_time = boost::chrono::steady_clock::now();
+        data.messages.push_back(foo);
+        
+        con->send(*m_msg);
+    } else {
+        close(con);
+    }
+}
+
+void stress_handler::on_open(connection_ptr con) {
+    {
+        boost::lock_guard<boost::mutex> lock(m_lock);
+    
+        m_current_connections++;
+        m_total_connections++;
+    
+        if (m_current_connections > m_max_connections) {
+            m_max_connections = m_current_connections;
+        }
+        
+        m_con_data[con].on_open = boost::chrono::steady_clock::now();
+        m_con_data[con].status = "Open";
+    }
+    
+    start(con);
+}
+
+void stress_handler::on_close(connection_ptr con) {
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    
+    m_current_connections--;
+    
+    m_con_data[con].on_close = boost::chrono::steady_clock::now();
+    m_con_data[con].status = "Closed";
+    
+    // TODO: log close reason?
+}
+
+void stress_handler::on_fail(connection_ptr con) {
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    
+    m_failed_connections++;
+    
+    m_con_data[con].on_fail = boost::chrono::steady_clock::now();
+    m_con_data[con].status = "Failed";
+    
+    // TODO: log failure reason
+}
+
+void stress_handler::start(connection_ptr con) {
+    //close(con);
+}
+
+void stress_handler::close(connection_ptr con) {
+    //boost::lock_guard<boost::mutex> lock(m_lock);
+        
+    m_con_data[con].close_sent = boost::chrono::steady_clock::now();
+    m_con_data[con].status = "Closing";
+    
+    con->close(websocketpp::close::status::NORMAL);
+    // TODO: log close reason?
+}
+
+std::string stress_handler::get_data() const {
+    std::stringstream data;
+    
+    
+    data << "{";
+    
+    {
+        boost::lock_guard<boost::mutex> lock(m_lock);
+        
+        data << "\"current_connections\":" << m_current_connections;
+        data << ",\"max_connections\":" << m_max_connections;
+        data << ",\"total_connections\":" << m_total_connections;
+        data << ",\"failed_connections\":" << m_failed_connections;
+        
+        data << ",\"connection_data\":[";
+        
+        // for each item in m_dirty
+        std::string sep = "";
+        std::map<connection_ptr,con_data>::const_iterator it;
+        for (it = m_con_data.begin(); it != m_con_data.end(); it++) {
+            data << sep << (*it).second.print();
+            sep = ",";
+        }
+        
+        data << "]";
+    }
+    
+    data << "}";
+    
+    return data.str();
+}
+
+bool stress_handler::maintenance() {
+    std::cout << "locking..." << std::endl;
+    boost::lock_guard<boost::mutex> lock(m_lock);
+    
+    bool quit = true;
+    
+    time_point now = boost::chrono::steady_clock::now();
+    
+    std::cout << "found " << m_con_data.size() << " connections" << std::endl;
+    
+    std::map<connection_ptr,con_data>::iterator it;
+    for (it = m_con_data.begin(); it != m_con_data.end(); it++) {
+        if ((*it).first->get_state() != websocketpp::session::state::CLOSED) {
+            quit = false;
+        }
+        
+        connection_ptr con = (*it).first;
+        con_data& data = (*it).second;
+        
+        std::cout << "processing " << data.id << "...";
+        
+        // check the connection state
+        if (con->get_state() != websocketpp::session::state::OPEN) {
+            std::cout << "ignored" << std::endl;
+            continue;
+        }
+        
+        boost::chrono::nanoseconds dur = now - data.on_open;
+        size_t milliseconds = static_cast<size_t>(dur.count()) / 1000000;
+        
+        if (milliseconds > m_con_duration) {
+            close(con);
+        }
+        std::cout << "closed" << std::endl;
+    }
+    
+    if (quit) {
+        return true;
+    }
+    
+    
+    /*std::cout << "found " << to_process.size() << " connections" << std::endl;
+    
+    
+    
+    
+    std::list<connection_ptr>::iterator it2;
+    for (it2 = to_process.begin(); it2 != to_process.end(); it++) {
+        connection_ptr con = (*it2);
+        std::map<connection_ptr,con_data>::iterator element;
+        
+        
+        
+        element = m_con_data.find(con);
+        
+        if (element == m_con_data.end()) {
+            continue;
+        }
+        
+        con_data& data = element->second;
+        
+        
+        
+        // check the connection state
+        if (con->get_state() != websocketpp::session::state::OPEN) {
+            std::cout << "ignored" << std::endl;
+            continue;
+        }
+        
+        boost::chrono::nanoseconds dur = now - data.on_open;
+        size_t milliseconds = static_cast<size_t>(dur.count()) / 1000000;
+        
+        if (milliseconds > m_con_duration) {
+            close(con);
+        }
+        std::cout << "closed" << std::endl;
+    }*/
+    
+    return false;
+}

Subtrees/websocket/examples/wsperf/stress_handler.hpp

@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSPERF_STRESS_HANDLER_HPP
+#define WSPERF_STRESS_HANDLER_HPP
+
+#include "wscmd.hpp"
+
+#include "../../src/roles/client.hpp"
+#include "../../src/websocketpp.hpp"
+
+#include <boost/chrono.hpp>
+#include <boost/thread/mutex.hpp>
+
+#include <exception>
+
+using websocketpp::client;
+
+namespace wsperf {
+
+namespace con_lifetime {
+    enum value {
+        FIXED = 0,
+        RANDOM = 1,
+        UNLIMITED = 2
+    };
+}
+
+
+
+namespace msg_mode {
+    enum value {
+        NONE = 0,
+        FIXED = 1,
+        UNLIMITED = 2
+    };
+}
+
+struct msg_data {
+    typedef boost::chrono::steady_clock::time_point time_point;
+    
+    size_t      msg_id;
+    time_point  send_time;
+    time_point  recv_time;
+    //size_t      payload_len;
+};
+
+struct con_data {
+    typedef boost::chrono::steady_clock::time_point time_point;
+    
+    con_data() {}
+    
+    con_data(size_t id,time_point init)
+      : id(id)
+      , init(init)
+      , start(init)
+      , tcp_established(init)
+      , on_open(init)
+      , on_fail(init)
+      , close_sent(init)
+      , on_close(init)
+      , status("Connecting")
+    {
+    }
+    
+    std::string print() const {
+        std::stringstream o;
+        
+        o << "{";
+        o << "\"id\":" << id;
+        o << ",\"status\":\"" << status << "\"";
+        o << ",\"start\":" << get_rel_microseconds(start);
+        o << ",\"tcp\":" << get_rel_microseconds(tcp_established);
+        o << ",\"open\":" << get_rel_microseconds(on_open);
+        o << ",\"fail\":" << get_rel_microseconds(on_fail);
+        o << ",\"close_sent\":" << get_rel_microseconds(close_sent);
+        o << ",\"close\":" << get_rel_microseconds(on_close);
+                
+        o << ",\"messages\":[";
+        std::string sep = "";
+        std::vector<msg_data>::const_iterator it;
+        for (it = messages.begin(); it != messages.end(); it++) {
+            o << sep << "[" 
+              << get_rel_microseconds((*it).send_time) << ","
+              << get_rel_microseconds((*it).recv_time)
+              << "]";
+            sep = ",";
+        }
+        
+        o << "]";
+        
+        o << "}";
+        
+        return o.str();
+    }
+    
+    double get_rel_microseconds(time_point t) const {
+        boost::chrono::nanoseconds dur = t - init;
+        return static_cast<double> (dur.count()) / 1000.;
+    }
+    
+    size_t   id;
+    time_point init;
+    time_point start;
+    time_point tcp_established;
+    time_point on_open;
+    time_point on_fail;
+    time_point close_sent;
+    time_point on_close;
+    std::string status;
+    std::vector<msg_data> messages;
+    //stress_handler::message_ptr msg;
+};
+
+
+
+class stress_handler : public client::handler {
+public:
+    typedef stress_handler type;
+    typedef boost::chrono::steady_clock::time_point time_point;
+    typedef std::map<connection_ptr,time_point> time_map;
+    
+    /// Construct a stress test from a wscmd command
+    explicit stress_handler(wscmd::cmd& cmd);
+    
+    void on_connect(connection_ptr con);
+    
+    void on_message(connection_ptr con,websocketpp::message::data_ptr msg);
+    
+    void on_handshake_init(connection_ptr con);
+    void on_open(connection_ptr con);
+    void on_close(connection_ptr con);
+    void on_fail(connection_ptr con);
+    
+    void start(connection_ptr con);
+    void close(connection_ptr con);
+    void end();
+        
+    std::string get_data() const;
+    virtual bool maintenance();
+    
+    void start_message_test();
+protected:
+    size_t m_current_connections;
+    size_t m_max_connections;
+    size_t m_total_connections;
+    size_t m_failed_connections;
+    
+    size_t m_next_con_id;
+    time_point  m_init;
+    
+    // connection related timestamps
+    std::map<connection_ptr,con_data> m_con_data;
+    mutable std::list<connection_ptr> m_dirty;
+    
+    // Stats update timer
+    size_t m_timeout;
+    boost::shared_ptr<boost::asio::deadline_timer> m_timer;
+    
+    size_t              m_next_msg_id;
+    boost::shared_ptr<std::string> m_msg;
+    
+    // test settings pulled from the command
+    con_lifetime::value m_con_lifetime;
+    size_t              m_con_duration;
+    bool                m_con_sync;
+    
+    msg_mode::value     m_msg_mode;
+    size_t              m_msg_count;
+    size_t              m_msg_size;
+    
+    
+    mutable boost::mutex m_lock;
+};
+
+typedef boost::shared_ptr<stress_handler> stress_handler_ptr;
+
+} // namespace wsperf
+
+#endif // WSPERF_STRESS_HANDLER_HPP

Subtrees/websocket/examples/wsperf/stress_test.html

@@ -0,0 +1,492 @@
+<!doctype html>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
+</head>
+<body>
+
+<script type="text/javascript">
+var ws;
+var url;
+var testdata = {};
+var show_individual_results = true;
+
+function format(val) {
+	if (val < 1000) {
+		return val + "µs";
+	} else if (val >= 1000) {
+		return val/1000.0 + "ms";
+	}
+}
+
+function reset_stats() {
+	test_data = {};
+	
+	$("#token").html("");
+	$("#status").html("");
+	$("#current_connections").html("");
+	$("#max_connections").html("");
+	$("#total_connections").html("");
+	$("#failed_connections").html("");
+	
+	$("#open_min").html("");
+	$("#open_med").html("");
+	$("#open_avg").html("");
+	$("#open_max").html("");
+	
+	$("#msg_min").html("");
+	$("#msg_med").html("");
+	$("#msg_avg").html("");
+	$("#msg_max").html("");
+	
+	$("#close_min").html("");
+	$("#close_med").html("");
+	$("#close_avg").html("");
+	$("#close_max").html("");
+	
+	$("#results-body").html("");
+}
+
+function connect() {
+	url = document.getElementById("server_url").value;
+	console.log(url);
+	
+	if ("WebSocket" in window) {
+		ws = new WebSocket(url);
+	} else if ("MozWebSocket" in window) {
+		ws = new MozWebSocket(url);
+	} else {
+		write_error("This Browser does not support WebSockets.");
+		return;
+	}
+	ws.onopen = function(e) {
+		document.getElementById("server_url").disabled = true;
+		document.getElementById("toggle_connect").innerHTML = "Disconnect";
+	};
+	
+	ws.onerror = function(e) {
+		write_error("Client: An error occured, see console log for more details.");
+		console.log(e);
+	};
+	
+	ws.onclose = function(e) {
+		document.getElementById("server_url").disabled = false;
+		document.getElementById("toggle_connect").innerHTML = "Connect";
+		document.getElementById("server_details").innerHTML = "";
+	};
+	
+	ws.onmessage = function(e) {
+		//console.log(e);
+		
+		var data = JSON.parse(e.data);	
+		
+		console.log(data);
+			
+		if (data.type == "test_welcome") {
+			var o = "";
+			o += "<strong>Version:</strong> "+data.version+" ";
+			o += "<strong>Ident:</strong> "+data.ident+" ";
+			o += "<strong>num_workers:</strong> "+data.num_workers+" ";
+			document.getElementById("server_details").innerHTML = o;
+		} else if (data.type == "test_start") {
+			$("#token").html(data.token);
+			$("#status").html("Started");
+			reset_stats();
+		} else if (data.type == "test_complete") {
+			$("#status").html("Completed");
+			
+			open_min = 0;
+			open_median = [];
+			open_mean = 0;
+			open_max = 0;
+			
+			msg_min = 0;
+			msg_median = [];
+			msg_mean = 0;
+			msg_max = 0;
+			
+			close_min = 0;
+			close_median = [];
+			close_mean = 0;
+			close_max = 0;
+			
+			for (var i in testdata) {
+				open = Math.max(Math.round(testdata[i].open-testdata[i].tcp,2),0);
+				fail = Math.max(Math.round(testdata[i].fail-testdata[i].tcp,2),0);
+				close = Math.max(Math.round(testdata[i].close-testdata[i].close_sent,2),0);
+				
+				open = Math.max(fail,open);
+				
+				if (open < open_min || open_min == 0) {
+					open_min = open;
+				}
+				if (close < close_min || close_min == 0) {
+					close_min = close;
+				}
+				
+				open_median.push(open);
+				close_median.push(close);
+				
+				open_mean += open;
+				close_mean += close;
+				
+				if (open > open_max) {
+					open_max = open;
+				}
+				if (close > close_max) {
+					close_max = close;
+				}
+				
+				for (var j in testdata[i].messages) {
+					net = Math.round(testdata[i].messages[j][1]-testdata[i].messages[j][0],2)
+					
+					if (net < msg_min || msg_min == 0) {
+						msg_min = net;
+					}
+					if (net > msg_max) {
+						msg_max = net;
+					}
+					
+					msg_median.push(net);
+					msg_mean += net;
+				}
+			}
+			
+			open_mean = Math.round(open_mean / open_median.length);
+			msg_mean = Math.round(msg_mean / msg_median.length);
+			close_mean = Math.round(close_mean / close_median.length);
+			
+			open_median.sort();
+			msg_median.sort();
+			close_median.sort();
+			
+			var half = Math.floor(open_median.length/2);
+			
+			if (open_median.length % 2) {
+				open_median = open_median[half];
+				close_median = close_median[half];
+			} else {
+				open_median = (open_median[half-1]+open_median[half])/2.0;
+				close_median = (close_median[half-1]+close_median[half])/2.0;
+			}
+			
+			half = Math.floor(msg_median.length/2);
+			
+			if (msg_median.length % 2) {
+				msg_median = msg_median[half];
+			} else {
+				msg_median = (msg_median[half-1]+msg_median[half])/2.0;
+			}
+			
+			$("#open_min").html(format(open_min));
+			$("#open_med").html(format(open_median));
+			$("#open_avg").html(format(open_mean));
+			$("#open_max").html(format(open_max));
+			
+			$("#msg_min").html(format(msg_min));
+			$("#msg_med").html(format(msg_median));
+			$("#msg_avg").html(format(msg_mean));
+			$("#msg_max").html(format(msg_max));
+			
+			$("#close_min").html(format(close_min));
+			$("#close_med").html(format(close_median));
+			$("#close_avg").html(format(close_mean));
+			$("#close_max").html(format(close_max));
+		} else if (data.type == "test_data") {
+			
+			$("#current_connections").html(data.data.current_connections);
+			$("#max_connections").html(data.data.max_connections);
+			$("#total_connections").html(data.data.total_connections);
+			$("#failed_connections").html(data.data.failed_connections);
+			
+			if (data.data.connection_data.length > 0) {
+				for (var i in data.data.connection_data) {
+					foo = data.data.connection_data[i];
+					
+					testdata[foo.id] = foo;
+					
+					if (show_individual_results) {
+						if ($("#result-"+foo.id).length == 0) {
+							$("#result-"+foo.id+" .result").html(data.data.result);
+							
+							var o = "";
+							o += "<tr id='result-"+foo.id+"'>";
+							
+							o += "<td class='id'>"+foo.id+"</td>";
+							o += "<td class='status'>"+foo.status+"</td>";
+							o += "<td class='start'>"+foo.start+"</td>";
+							o += "<td class='tcp'>"+Math.max(Math.round(foo.tcp-foo.start,2),0)+"µs</td>";
+							
+							open = Math.max(Math.round(foo.open-foo.tcp,2),0);
+							fail = Math.max(Math.round(foo.fail-foo.tcp,2),0);
+							close = Math.max(Math.round(foo.close-foo.close_sent,2),0);
+							
+							if (open == 0) {
+								o += "<td class='open'>"+fail+"µs</td>";
+							} else {
+								o += "<td class='open'>"+open+"µs</td>";
+							}
+							
+							o += "<td class='close_sent'>"+foo.close_sent+"µs</td>";
+							o += "<td class='close'>"+close+"µs</td>";
+							
+							o += "</tr>";
+							
+							o += document.getElementById("results-body").innerHTML;
+							document.getElementById("results-body").innerHTML = o;
+						} else {
+							
+							temp = foo.tcp-foo.start
+							
+							$("#result-"+foo.id+" .id").html(foo.id);
+							$("#result-"+foo.id+" .status").html(foo.status);
+							$("#result-"+foo.id+" .start").html(foo.start+"µs");
+							$("#result-"+foo.id+" .tcp").html(Math.max(Math.round(foo.tcp-foo.start,2),0)+"µs");
+							
+							open = Math.max(Math.round(foo.open-foo.tcp,2),0);
+							fail = Math.max(Math.round(foo.fail-foo.tcp,2),0);
+							close = Math.max(Math.round(foo.close-foo.close_sent,2),0);
+							
+							if (open == 0) {
+								$("#result-"+foo.id+" .open").html(fail+"µs");
+							} else {
+								$("#result-"+foo.id+" .open").html(open+"µs");
+							}
+							
+							$("#result-"+foo.id+" .close_sent").html(foo.close_sent+"µs");
+							$("#result-"+foo.id+" .close").html(close+"µs");
+						}
+					}
+				}
+			}
+			
+			$("#result-"+data.token).addClass(data.data.result);
+		} else if (data.type == "error") {
+			$("#result-"+data.token+" .status").html("Error");
+			$("#messages").html(data.data+"<br />");
+		} else {
+			console.log(data);
+		}
+	};
+}
+
+function write_error(msg) {
+	$("#messages").css("display","block").html(msg);
+}
+
+function disconnect() {
+	ws.close();
+	$("#server_url").attr("disabled","disabled");
+	$("#toggle_connect").html("Connect");
+}
+
+function toggle_connect() {
+	if ($("#server_url").attr("disabled") == "disabled") {
+		disconnect();
+	} else {
+		connect();
+	}
+}
+
+function send(ind) {
+	$("#messages").css("display","none");
+	
+	if (ws === undefined || ws.readyState != 1) {
+		write_error("Websocket is not avaliable for writing");
+		return;
+	}	
+	
+	show_individual_results = ind;
+	
+	ws.send($("#msg").val());
+}
+
+</script>
+
+<style>
+body,html {
+	margin: 0px;
+	padding: 0px;
+	font-family: Tahoma,Arial,Verdana,sans-serif;
+	background-color: #F4F4F4;
+}
+#server_url {
+	width: 200px;
+}
+h2 {
+	font-size: 18px;
+	margin: 20px 20px;
+}
+#controls {
+	/*float:right;*/
+	background-color: #333;
+	color: white;
+	font-size: 14px;
+	padding: 4px;
+}
+#msg {
+	width: 100%;
+	
+	box-sizing: border-box;
+	-webkit-box-sizing:border-box;
+	-moz-box-sizing: border-box;
+	-ms-box-sizing: border-box;
+	
+	display: block;
+	height: 5em;
+}
+#message_input button {
+	display: inline-block;
+}
+
+#message_input {
+	margin: 0px 20px;
+}
+
+#results {
+	margin: 0px 20px;
+}
+#results table {
+	width: 100%;
+	border: 1px solid white;
+	color: white;
+	border-collapse: collapse;
+	border-spacing: 0px;
+	margin-top: 10px;
+}
+
+#messages {
+	display: none;
+	margin: 20px;
+	padding: 4px;
+	color: white;
+}
+
+th,td {
+	font-weight: normal;
+	padding: 6px;
+	font-size: 0.8em;
+	border: 1px solid white;
+}
+
+thead tr {
+	background-color: #048;
+}
+
+tbody tr {
+	background-color: #666;
+}
+.pass {
+	background-color: #0A0;
+}
+.fail {
+	background-color: #900;
+}
+.error {
+	background-color: #9A0;
+}
+
+</style>
+
+<div id="controls">
+	<div id="server">
+		<input type="text" name="server_url" id="server_url" value="ws://localhost:9050" />
+		<button id="toggle_connect" onclick="toggle_connect();">Connect</button>
+		<span id="server_details"></span>
+	</div>
+</div>
+<h2>Run Test</h2>
+<div id="message_input">
+	<textarea type="text" id="msg">stress_test:uri=ws://localhost:9002;token=stress;connection_count=5;handshake_delay=10;</textarea><br />
+	<button onclick="send(true);">Run Test</button> <button onclick="send(false);">Run Test (aggregate results only)</button>
+</div>
+<h2>Test Results</h2>
+<div id="messages" class='fail'></div>
+<div id="results">
+	<!--<div>
+		Token: <span id="token"></span><br />
+		Status: <span id="status">N/A</span><br />
+		Current Connections: <span id="current_connections"></span><br />
+		Max Connections: <span id="max_connections"></span><br />
+		Total Connections: <span id="total_connections"></span><br />
+		Failed Connections: <span id="failed_connections"></span><br />
+	</div>-->
+	<table>
+		<thead>
+		<tr>
+			<th rowspan="2">Token</th>
+			<th rowspan="2">Status</th>
+			<th colspan="4">Connections</th>
+			<th colspan="4">Open</th>
+			<th colspan="4">Messages</th>
+			<th colspan="4">Close</th>
+		</tr>
+		<tr>
+			<th>Current</th>
+			<th>Max</th>
+			<th>Total</th>
+			<th>Failed</th>
+			
+			<th>Min</th>
+			<th>Median</th>
+			<th>Mean</th>
+			<th>Max</th>
+			
+			<th>Min</th>
+			<th>Median</th>
+			<th>Mean</th>
+			<th>Max</th>
+			
+			<th>Min</th>
+			<th>Median</th>
+			<th>Mean</th>
+			<th>Max</th>
+		</tr>
+		</thead>
+		<tbody>
+		<tr>
+			<td><span id="token"></span></td>
+			<td><span id="status">N/A</span></td>
+			<td><span id="current_connections"></span></td>
+			<td><span id="max_connections"></span></td>
+			<td><span id="total_connections"></span></td>
+			<td><span id="failed_connections"></span></td>
+			
+			<td><span id="open_min"></span></td>
+			<td><span id="open_med"></span></td>
+			<td><span id="open_avg"></span></td>
+			<td><span id="open_max"></span></td>
+			
+			<td><span id="msg_min"></span></td>
+			<td><span id="msg_med"></span></td>
+			<td><span id="msg_avg"></span></td>
+			<td><span id="msg_max"></span></td>
+			
+			<td><span id="close_min"></span></td>
+			<td><span id="close_med"></span></td>
+			<td><span id="close_avg"></span></td>
+			<td><span id="close_max"></span></td>
+		</tr>
+		</tbody>
+	</table>
+	<table>
+		<thead>
+			<tr>
+				<th>ID</th>
+				<th>Status</th>
+				<th>Start</th>
+				<th>TCP</th>
+				<th>Open/Fail</th>
+				<th>Close sent</th>
+				<th>Closed</th>
+			</tr>
+		</thead>
+		<tbody id="results-body">
+			
+		</tbody>
+	</table>
+</div>
+
+</body>
+</html>

Subtrees/websocket/examples/wsperf/vendor/backbone-localstorage.js

@@ -0,0 +1,84 @@
+// A simple module to replace `Backbone.sync` with *localStorage*-based
+// persistence. Models are given GUIDS, and saved into a JSON object. Simple
+// as that.
+
+// Generate four random hex digits.
+function S4() {
+   return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
+};
+
+// Generate a pseudo-GUID by concatenating random hexadecimal.
+function guid() {
+   return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
+};
+
+// Our Store is represented by a single JS object in *localStorage*. Create it
+// with a meaningful name, like the name you'd give a table.
+var Store = function(name) {
+  this.name = name;
+  var store = localStorage.getItem(this.name);
+  this.data = (store && JSON.parse(store)) || {};
+};
+
+_.extend(Store.prototype, {
+
+  // Save the current state of the **Store** to *localStorage*.
+  save: function() {
+    localStorage.setItem(this.name, JSON.stringify(this.data));
+  },
+
+  // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already
+  // have an id of it's own.
+  create: function(model) {
+    if (!model.id) model.id = model.attributes.id = guid();
+    this.data[model.id] = model;
+    this.save();
+    return model;
+  },
+
+  // Update a model by replacing its copy in `this.data`.
+  update: function(model) {
+    this.data[model.id] = model;
+    this.save();
+    return model;
+  },
+
+  // Retrieve a model from `this.data` by id.
+  find: function(model) {
+    return this.data[model.id];
+  },
+
+  // Return the array of all models currently in storage.
+  findAll: function() {
+    return _.values(this.data);
+  },
+
+  // Delete a model from `this.data`, returning it.
+  destroy: function(model) {
+    delete this.data[model.id];
+    this.save();
+    return model;
+  }
+
+});
+
+// Override `Backbone.sync` to use delegate to the model or collection's
+// *localStorage* property, which should be an instance of `Store`.
+Backbone.sync = function(method, model, options) {
+
+  var resp;
+  var store = model.localStorage || model.collection.localStorage;
+
+  switch (method) {
+    case "read":    resp = model.id ? store.find(model) : store.findAll(); break;
+    case "create":  resp = store.create(model);                            break;
+    case "update":  resp = store.update(model);                            break;
+    case "delete":  resp = store.destroy(model);                           break;
+  }
+
+  if (resp) {
+    options.success(resp);
+  } else {
+    options.error("Record not found");
+  }
+};

Subtrees/websocket/examples/wsperf/vendor/underscore.js

@@ -0,0 +1,999 @@
+//     Underscore.js 1.3.1
+//     (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
+//     Underscore is freely distributable under the MIT license.
+//     Portions of Underscore are inspired or borrowed from Prototype,
+//     Oliver Steele's Functional, and John Resig's Micro-Templating.
+//     For all details and documentation:
+//     http://documentcloud.github.com/underscore
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `global` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Establish the object that gets returned to break out of a loop iteration.
+  var breaker = {};
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var slice            = ArrayProto.slice,
+      unshift          = ArrayProto.unshift,
+      toString         = ObjProto.toString,
+      hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeForEach      = ArrayProto.forEach,
+    nativeMap          = ArrayProto.map,
+    nativeReduce       = ArrayProto.reduce,
+    nativeReduceRight  = ArrayProto.reduceRight,
+    nativeFilter       = ArrayProto.filter,
+    nativeEvery        = ArrayProto.every,
+    nativeSome         = ArrayProto.some,
+    nativeIndexOf      = ArrayProto.indexOf,
+    nativeLastIndexOf  = ArrayProto.lastIndexOf,
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind;
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) { return new wrapper(obj); };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object via a string identifier,
+  // for Closure Compiler "advanced" mode.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root['_'] = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.3.1';
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles objects with the built-in `forEach`, arrays, and raw objects.
+  // Delegates to **ECMAScript 5**'s native `forEach` if available.
+  var each = _.each = _.forEach = function(obj, iterator, context) {
+    if (obj == null) return;
+    if (nativeForEach && obj.forEach === nativeForEach) {
+      obj.forEach(iterator, context);
+    } else if (obj.length === +obj.length) {
+      for (var i = 0, l = obj.length; i < l; i++) {
+        if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
+      }
+    } else {
+      for (var key in obj) {
+        if (_.has(obj, key)) {
+          if (iterator.call(context, obj[key], key, obj) === breaker) return;
+        }
+      }
+    }
+  };
+
+  // Return the results of applying the iterator to each element.
+  // Delegates to **ECMAScript 5**'s native `map` if available.
+  _.map = _.collect = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+    each(obj, function(value, index, list) {
+      results[results.length] = iterator.call(context, value, index, list);
+    });
+    if (obj.length === +obj.length) results.length = obj.length;
+    return results;
+  };
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduce && obj.reduce === nativeReduce) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+    }
+    each(obj, function(value, index, list) {
+      if (!initial) {
+        memo = value;
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, value, index, list);
+      }
+    });
+    if (!initial) throw new TypeError('Reduce of empty array with no initial value');
+    return memo;
+  };
+
+  // The right-associative version of reduce, also known as `foldr`.
+  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+    }
+    var reversed = _.toArray(obj).reverse();
+    if (context && !initial) iterator = _.bind(iterator, context);
+    return initial ? _.reduce(reversed, iterator, memo, context) : _.reduce(reversed, iterator);
+  };
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, iterator, context) {
+    var result;
+    any(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) {
+        result = value;
+        return true;
+      }
+    });
+    return result;
+  };
+
+  // Return all the elements that pass a truth test.
+  // Delegates to **ECMAScript 5**'s native `filter` if available.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+    each(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    each(obj, function(value, index, list) {
+      if (!iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Delegates to **ECMAScript 5**'s native `every` if available.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, iterator, context) {
+    var result = true;
+    if (obj == null) return result;
+    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+    each(obj, function(value, index, list) {
+      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+    });
+    return result;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Delegates to **ECMAScript 5**'s native `some` if available.
+  // Aliased as `any`.
+  var any = _.some = _.any = function(obj, iterator, context) {
+    iterator || (iterator = _.identity);
+    var result = false;
+    if (obj == null) return result;
+    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+    each(obj, function(value, index, list) {
+      if (result || (result = iterator.call(context, value, index, list))) return breaker;
+    });
+    return !!result;
+  };
+
+  // Determine if a given value is included in the array or object using `===`.
+  // Aliased as `contains`.
+  _.include = _.contains = function(obj, target) {
+    var found = false;
+    if (obj == null) return found;
+    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+    found = any(obj, function(value) {
+      return value === target;
+    });
+    return found;
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    return _.map(obj, function(value) {
+      return (_.isFunction(method) ? method || value : value[method]).apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, function(value){ return value[key]; });
+  };
+
+  // Return the maximum element or (element-based computation).
+  _.max = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
+    if (!iterator && _.isEmpty(obj)) return -Infinity;
+    var result = {computed : -Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed >= result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
+    if (!iterator && _.isEmpty(obj)) return Infinity;
+    var result = {computed : Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed < result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Shuffle an array.
+  _.shuffle = function(obj) {
+    var shuffled = [], rand;
+    each(obj, function(value, index, list) {
+      if (index == 0) {
+        shuffled[0] = value;
+      } else {
+        rand = Math.floor(Math.random() * (index + 1));
+        shuffled[index] = shuffled[rand];
+        shuffled[rand] = value;
+      }
+    });
+    return shuffled;
+  };
+
+  // Sort the object's values by a criterion produced by an iterator.
+  _.sortBy = function(obj, iterator, context) {
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value : value,
+        criteria : iterator.call(context, value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria, b = right.criteria;
+      return a < b ? -1 : a > b ? 1 : 0;
+    }), 'value');
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = function(obj, val) {
+    var result = {};
+    var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
+    each(obj, function(value, index) {
+      var key = iterator(value, index);
+      (result[key] || (result[key] = [])).push(value);
+    });
+    return result;
+  };
+
+  // Use a comparator function to figure out at what index an object should
+  // be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iterator) {
+    iterator || (iterator = _.identity);
+    var low = 0, high = array.length;
+    while (low < high) {
+      var mid = (low + high) >> 1;
+      iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
+    }
+    return low;
+  };
+
+  // Safely convert anything iterable into a real, live array.
+  _.toArray = function(iterable) {
+    if (!iterable)                return [];
+    if (iterable.toArray)         return iterable.toArray();
+    if (_.isArray(iterable))      return slice.call(iterable);
+    if (_.isArguments(iterable))  return slice.call(iterable);
+    return _.values(iterable);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    return _.toArray(obj).length;
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head`. The **guard** check allows it to work
+  // with `_.map`.
+  _.first = _.head = function(array, n, guard) {
+    return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
+  };
+
+  // Returns everything but the last entry of the array. Especcialy useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N. The **guard** check allows it to work with
+  // `_.map`.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array. The **guard** check allows it to work with `_.map`.
+  _.last = function(array, n, guard) {
+    if ((n != null) && !guard) {
+      return slice.call(array, Math.max(array.length - n, 0));
+    } else {
+      return array[array.length - 1];
+    }
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail`.
+  // Especially useful on the arguments object. Passing an **index** will return
+  // the rest of the values in the array from that index onward. The **guard**
+  // check allows it to work with `_.map`.
+  _.rest = _.tail = function(array, index, guard) {
+    return slice.call(array, (index == null) || guard ? 1 : index);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, function(value){ return !!value; });
+  };
+
+  // Return a completely flattened version of an array.
+  _.flatten = function(array, shallow) {
+    return _.reduce(array, function(memo, value) {
+      if (_.isArray(value)) return memo.concat(shallow ? value : _.flatten(value));
+      memo[memo.length] = value;
+      return memo;
+    }, []);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iterator) {
+    var initial = iterator ? _.map(array, iterator) : array;
+    var result = [];
+    _.reduce(initial, function(memo, el, i) {
+      if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) {
+        memo[memo.length] = el;
+        result[result.length] = array[i];
+      }
+      return memo;
+    }, []);
+    return result;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(_.flatten(arguments, true));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays. (Aliased as "intersect" for back-compat.)
+  _.intersection = _.intersect = function(array) {
+    var rest = slice.call(arguments, 1);
+    return _.filter(_.uniq(array), function(item) {
+      return _.every(rest, function(other) {
+        return _.indexOf(other, item) >= 0;
+      });
+    });
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = _.flatten(slice.call(arguments, 1));
+    return _.filter(array, function(value){ return !_.include(rest, value); });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    var args = slice.call(arguments);
+    var length = _.max(_.pluck(args, 'length'));
+    var results = new Array(length);
+    for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
+    return results;
+  };
+
+  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+  // we need this function. Return the position of the first occurrence of an
+  // item in an array, or -1 if the item is not included in the array.
+  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = function(array, item, isSorted) {
+    if (array == null) return -1;
+    var i, l;
+    if (isSorted) {
+      i = _.sortedIndex(array, item);
+      return array[i] === item ? i : -1;
+    }
+    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
+    for (i = 0, l = array.length; i < l; i++) if (i in array && array[i] === item) return i;
+    return -1;
+  };
+
+  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+  _.lastIndexOf = function(array, item) {
+    if (array == null) return -1;
+    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
+    var i = array.length;
+    while (i--) if (i in array && array[i] === item) return i;
+    return -1;
+  };
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (arguments.length <= 1) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = arguments[2] || 1;
+
+    var len = Math.max(Math.ceil((stop - start) / step), 0);
+    var idx = 0;
+    var range = new Array(len);
+
+    while(idx < len) {
+      range[idx++] = start;
+      start += step;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Reusable constructor function for prototype setting.
+  var ctor = function(){};
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Binding with arguments is also known as `curry`.
+  // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
+  // We check for `func.bind` first, to fail fast when `func` is undefined.
+  _.bind = function bind(func, context) {
+    var bound, args;
+    if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    if (!_.isFunction(func)) throw new TypeError;
+    args = slice.call(arguments, 2);
+    return bound = function() {
+      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
+      ctor.prototype = func.prototype;
+      var self = new ctor;
+      var result = func.apply(self, args.concat(slice.call(arguments)));
+      if (Object(result) === result) return result;
+      return self;
+    };
+  };
+
+  // Bind all of an object's methods to that object. Useful for ensuring that
+  // all callbacks defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var funcs = slice.call(arguments, 1);
+    if (funcs.length == 0) funcs = _.functions(obj);
+    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memo = {};
+    hasher || (hasher = _.identity);
+    return function() {
+      var key = hasher.apply(this, arguments);
+      return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
+    };
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){ return func.apply(func, args); }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = function(func) {
+    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+  };
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time.
+  _.throttle = function(func, wait) {
+    var context, args, timeout, throttling, more;
+    var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
+    return function() {
+      context = this; args = arguments;
+      var later = function() {
+        timeout = null;
+        if (more) func.apply(context, args);
+        whenDone();
+      };
+      if (!timeout) timeout = setTimeout(later, wait);
+      if (throttling) {
+        more = true;
+      } else {
+        func.apply(context, args);
+      }
+      whenDone();
+      throttling = true;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds.
+  _.debounce = function(func, wait) {
+    var timeout;
+    return function() {
+      var context = this, args = arguments;
+      var later = function() {
+        timeout = null;
+        func.apply(context, args);
+      };
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = function(func) {
+    var ran = false, memo;
+    return function() {
+      if (ran) return memo;
+      ran = true;
+      return memo = func.apply(this, arguments);
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return function() {
+      var args = [func].concat(slice.call(arguments, 0));
+      return wrapper.apply(this, args);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var funcs = arguments;
+    return function() {
+      var args = arguments;
+      for (var i = funcs.length - 1; i >= 0; i--) {
+        args = [funcs[i].apply(this, args)];
+      }
+      return args[0];
+    };
+  };
+
+  // Returns a function that will only be executed after being called N times.
+  _.after = function(times, func) {
+    if (times <= 0) return func();
+    return function() {
+      if (--times < 1) { return func.apply(this, arguments); }
+    };
+  };
+
+  // Object Functions
+  // ----------------
+
+  // Retrieve the names of an object's properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = nativeKeys || function(obj) {
+    if (obj !== Object(obj)) throw new TypeError('Invalid object');
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    return _.map(obj, _.identity);
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      for (var prop in source) {
+        obj[prop] = source[prop];
+      }
+    });
+    return obj;
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      for (var prop in source) {
+        if (obj[prop] == null) obj[prop] = source[prop];
+      }
+    });
+    return obj;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Internal recursive comparison function.
+  function eq(a, b, stack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+    if (a === b) return a !== 0 || 1 / a == 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a._chain) a = a._wrapped;
+    if (b._chain) b = b._wrapped;
+    // Invoke a custom `isEqual` method if one is provided.
+    if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
+    if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className != toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, dates, and booleans are compared by value.
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return a == String(b);
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
+        // other numeric values.
+        return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a == +b;
+      // RegExps are compared by their source patterns and flags.
+      case '[object RegExp]':
+        return a.source == b.source &&
+               a.global == b.global &&
+               a.multiline == b.multiline &&
+               a.ignoreCase == b.ignoreCase;
+    }
+    if (typeof a != 'object' || typeof b != 'object') return false;
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+    var length = stack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (stack[length] == a) return true;
+    }
+    // Add the first object to the stack of traversed objects.
+    stack.push(a);
+    var size = 0, result = true;
+    // Recursively compare objects and arrays.
+    if (className == '[object Array]') {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      size = a.length;
+      result = size == b.length;
+      if (result) {
+        // Deep compare the contents, ignoring non-numeric properties.
+        while (size--) {
+          // Ensure commutative equality for sparse arrays.
+          if (!(result = size in a == size in b && eq(a[size], b[size], stack))) break;
+        }
+      }
+    } else {
+      // Objects with different constructors are not equivalent.
+      if ('constructor' in a != 'constructor' in b || a.constructor != b.constructor) return false;
+      // Deep compare objects.
+      for (var key in a) {
+        if (_.has(a, key)) {
+          // Count the expected number of properties.
+          size++;
+          // Deep compare each member.
+          if (!(result = _.has(b, key) && eq(a[key], b[key], stack))) break;
+        }
+      }
+      // Ensure that both objects contain the same number of properties.
+      if (result) {
+        for (key in b) {
+          if (_.has(b, key) && !(size--)) break;
+        }
+        result = !size;
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    stack.pop();
+    return result;
+  }
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b, []);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+    for (var key in obj) if (_.has(obj, key)) return false;
+    return true;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType == 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) == '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    return obj === Object(obj);
+  };
+
+  // Is a given variable an arguments object?
+  _.isArguments = function(obj) {
+    return toString.call(obj) == '[object Arguments]';
+  };
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return !!(obj && _.has(obj, 'callee'));
+    };
+  }
+
+  // Is a given value a function?
+  _.isFunction = function(obj) {
+    return toString.call(obj) == '[object Function]';
+  };
+
+  // Is a given value a string?
+  _.isString = function(obj) {
+    return toString.call(obj) == '[object String]';
+  };
+
+  // Is a given value a number?
+  _.isNumber = function(obj) {
+    return toString.call(obj) == '[object Number]';
+  };
+
+  // Is the given value `NaN`?
+  _.isNaN = function(obj) {
+    // `NaN` is the only value for which `===` is not reflexive.
+    return obj !== obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
+  };
+
+  // Is a given value a date?
+  _.isDate = function(obj) {
+    return toString.call(obj) == '[object Date]';
+  };
+
+  // Is the given value a regular expression?
+  _.isRegExp = function(obj) {
+    return toString.call(obj) == '[object RegExp]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Has own property?
+  _.has = function(obj, key) {
+    return hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iterators.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Run a function **n** times.
+  _.times = function (n, iterator, context) {
+    for (var i = 0; i < n; i++) iterator.call(context, i);
+  };
+
+  // Escape a string for HTML interpolation.
+  _.escape = function(string) {
+    return (''+string).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g,'&#x2F;');
+  };
+
+  // Add your own custom functions to the Underscore object, ensuring that
+  // they're correctly added to the OOP wrapper as well.
+  _.mixin = function(obj) {
+    each(_.functions(obj), function(name){
+      addToWrapper(name, _[name] = obj[name]);
+    });
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = idCounter++;
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /.^/;
+
+  // Within an interpolation, evaluation, or escaping, remove HTML escaping
+  // that had been previously added.
+  var unescape = function(code) {
+    return code.replace(/\\\\/g, '\\').replace(/\\'/g, "'");
+  };
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  _.template = function(str, data) {
+    var c  = _.templateSettings;
+    var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' +
+      'with(obj||{}){__p.push(\'' +
+      str.replace(/\\/g, '\\\\')
+         .replace(/'/g, "\\'")
+         .replace(c.escape || noMatch, function(match, code) {
+           return "',_.escape(" + unescape(code) + "),'";
+         })
+         .replace(c.interpolate || noMatch, function(match, code) {
+           return "'," + unescape(code) + ",'";
+         })
+         .replace(c.evaluate || noMatch, function(match, code) {
+           return "');" + unescape(code).replace(/[\r\n\t]/g, ' ') + ";__p.push('";
+         })
+         .replace(/\r/g, '\\r')
+         .replace(/\n/g, '\\n')
+         .replace(/\t/g, '\\t')
+         + "');}return __p.join('');";
+    var func = new Function('obj', '_', tmpl);
+    if (data) return func(data, _);
+    return function(data) {
+      return func.call(this, data, _);
+    };
+  };
+
+  // Add a "chain" function, which will delegate to the wrapper.
+  _.chain = function(obj) {
+    return _(obj).chain();
+  };
+
+  // The OOP Wrapper
+  // ---------------
+
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+  var wrapper = function(obj) { this._wrapped = obj; };
+
+  // Expose `wrapper.prototype` as `_.prototype`
+  _.prototype = wrapper.prototype;
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(obj, chain) {
+    return chain ? _(obj).chain() : obj;
+  };
+
+  // A method to easily add functions to the OOP wrapper.
+  var addToWrapper = function(name, func) {
+    wrapper.prototype[name] = function() {
+      var args = slice.call(arguments);
+      unshift.call(args, this._wrapped);
+      return result(func.apply(_, args), this._chain);
+    };
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    wrapper.prototype[name] = function() {
+      var wrapped = this._wrapped;
+      method.apply(wrapped, arguments);
+      var length = wrapped.length;
+      if ((name == 'shift' || name == 'splice') && length === 0) delete wrapped[0];
+      return result(wrapped, this._chain);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    wrapper.prototype[name] = function() {
+      return result(method.apply(this._wrapped, arguments), this._chain);
+    };
+  });
+
+  // Start chaining a wrapped Underscore object.
+  wrapper.prototype.chain = function() {
+    this._chain = true;
+    return this;
+  };
+
+  // Extracts the result from a wrapped and chained object.
+  wrapper.prototype.value = function() {
+    return this._wrapped;
+  };
+
+}).call(this);

Subtrees/websocket/examples/wsperf/wscmd.cpp

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "wscmd.hpp"
+
+#include <map>
+#include <string>
+
+wscmd::cmd wscmd::parse(const std::string& m) {
+    cmd command;
+    std::string::size_type start;
+    std::string::size_type end;
+    
+    start = m.find(":",0);
+    
+    if (start != std::string::npos) {
+        command.command = m.substr(0,start);
+        
+        start++; // skip the colon
+        end = m.find(";",start);
+        
+        // find all semicolons
+        while (end != std::string::npos) {
+            std::string arg;
+            std::string val;
+            
+            std::string::size_type sep = m.find("=",start);
+            
+            if (sep != std::string::npos) {
+                arg = m.substr(start,sep-start);
+                val = m.substr(sep+1,end-sep-1);
+            } else {
+                arg = m.substr(start,end-start);
+                val = "";
+            }
+            
+            command.args[arg] = val;
+            
+            start = end+1;
+            end = m.find(";",start);
+        }
+    }
+    
+    return command;
+}
+
+bool wscmd::extract_string(wscmd::cmd command,const std::string& key,std::string& val) {
+    if (command.args[key] != "") {
+        val = command.args[key];
+       return true;
+    } else {
+        return false;
+    }
+}

Subtrees/websocket/examples/wsperf/wscmd.hpp

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef WSCMD_HPP
+#define WSCMD_HPP
+
+#include <map>
+#include <stdexcept>
+#include <string>
+#include <sstream>
+
+namespace wscmd {
+    // Parses a wscmd string.
+    
+    // command structure
+    // command:arg1=val1;arg2=val2;arg3=val3;
+    
+    // commands
+    // ack: messages to ack
+    // example: `ack:e3458d0aceff8b70a3e5c0afec632881=38;e3458d0aceff8b70a3e5c0afec632881=42;`
+    
+    // send: [vals]
+    //       message; opcode=X; payload="X"
+    //       frame; [fuzzer stuff]
+    
+    // close:code=1000;reason=msg;
+    // (instructs the opposite end to close with given optional code/msg)
+    typedef std::map<std::string,std::string> arg_list;
+    
+    struct cmd {
+        // TODO: move semantics
+        std::string command;
+        arg_list args;
+    };
+    
+    wscmd::cmd parse(const std::string& m);
+    
+    template <typename T>
+    bool extract_number(wscmd::cmd command,const std::string& key,T& val) {
+        if (command.args[key] != "") {
+            std::istringstream buf(command.args[key]);
+            
+            buf >> val;
+            
+            if(buf) {return true;}
+        }
+        return false;
+    }
+    
+    bool extract_string(wscmd::cmd command,const std::string& key,std::string& val);
+} // namespace wscmd
+
+#endif // WSCMD_HPP

Subtrees/websocket/examples/wsperf/wsperf.cfg

@@ -0,0 +1,18 @@
+## 
+## wsperf config file
+## 
+
+## MODE (choose one)
+server = 1
+#client = 1
+
+## GLOBAL OPTIONS
+num_threads = 2
+#ident = "ident string to report to commander"
+
+## OPTIONS FOR SERVER
+port = 9501
+
+## OPTIONS FOR CLIENT
+## uri of command server
+#uri = "ws://localhost:9005"

Subtrees/websocket/examples/wsperf/wsperf.cpp

@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "request.hpp"
+
+#include "../../src/roles/client.hpp"
+#include "../../src/websocketpp.hpp"
+
+#include <boost/program_options.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition_variable.hpp>
+
+#include <cstring>
+#include <sstream>
+#include <fstream>
+
+// This default will only work on unix systems.
+// Windows systems should set this as a compile flag to an appropriate value
+#ifndef WSPERF_CONFIG
+    #define WSPERF_CONFIG "~/.wsperf"
+#endif
+
+static const std::string user_agent = "wsperf/0.2.0dev "+websocketpp::USER_AGENT;
+
+using websocketpp::client;
+namespace po = boost::program_options;
+
+int start_server(po::variables_map& vm);
+int start_client(po::variables_map& vm);
+
+int start_server(po::variables_map& vm) {
+    unsigned short port = vm["port"].as<unsigned short>();
+    unsigned int num_threads = vm["num_threads"].as<unsigned int>();
+    std::string ident = vm["ident"].as<std::string>();
+    
+    bool silent = (vm.count("silent") && vm["silent"].as<int>() == 1);
+    
+    std::list< boost::shared_ptr<boost::thread> > threads;
+    
+    wsperf::request_coordinator rc;
+    
+    server::handler::ptr h;
+    h = server::handler::ptr(
+        new wsperf::concurrent_handler<server>(
+            rc,
+            ident,
+            user_agent,
+            num_threads
+        )
+    );
+    
+    if (!silent) {
+        std::cout << "Starting wsperf server on port " << port << " with " << num_threads << " processing threads." << std::endl;
+    }
+    
+    // Start worker threads
+    for (unsigned int i = 0; i < num_threads; i++) {
+        threads.push_back(boost::shared_ptr<boost::thread>(new boost::thread(boost::bind(&wsperf::process_requests, &rc, i))));
+    }
+    
+    // Start WebSocket++
+    server endpoint(h);
+    
+    endpoint.alog().unset_level(websocketpp::log::alevel::ALL);
+    endpoint.elog().unset_level(websocketpp::log::elevel::ALL);
+    
+    if (!silent) {
+        endpoint.alog().set_level(websocketpp::log::alevel::CONNECT);
+        endpoint.alog().set_level(websocketpp::log::alevel::DISCONNECT);
+        
+        endpoint.elog().set_level(websocketpp::log::elevel::RERROR);
+        endpoint.elog().set_level(websocketpp::log::elevel::FATAL);
+    }
+    
+    endpoint.listen(port);
+    
+    return 0;
+}
+
+int start_client(po::variables_map& vm) {
+    if (!vm.count("uri")) {
+        std::cerr << "client mode requires uri" << std::endl;
+        return 1;
+    }
+    
+    bool silent = (vm.count("silent") && vm["silent"].as<int>() == 1);
+    
+    unsigned int reconnect = vm["reconnect"].as<unsigned int>();
+    
+    std::string uri = vm["uri"].as<std::string>();
+    unsigned int num_threads = vm["num_threads"].as<unsigned int>();
+    std::string ident = vm["ident"].as<std::string>();
+    
+    // Start wsperf
+    std::list< boost::shared_ptr<boost::thread> > threads;
+    std::list< boost::shared_ptr<boost::thread> >::iterator thread_it;
+    
+    wsperf::request_coordinator rc;
+    
+    client::handler::ptr h;
+    h = client::handler::ptr(
+        new wsperf::concurrent_handler<client>(
+            rc,
+            ident,
+            user_agent,
+            num_threads
+        )
+    );
+    
+    if (!silent) {
+        std::cout << "Starting wsperf client connecting to " << uri << " with " << num_threads << " processing threads." << std::endl;
+    }
+    
+    for (unsigned int i = 0; i < num_threads; i++) {
+        threads.push_back(boost::shared_ptr<boost::thread>(new boost::thread(boost::bind(&wsperf::process_requests, &rc, i))));
+    }
+    
+    while(1) {
+        client endpoint(h);
+        
+        endpoint.alog().unset_level(websocketpp::log::alevel::ALL);
+        endpoint.elog().unset_level(websocketpp::log::elevel::ALL);
+        
+        if (!silent) {
+            endpoint.alog().set_level(websocketpp::log::alevel::CONNECT);
+            endpoint.alog().set_level(websocketpp::log::alevel::DISCONNECT);
+            
+            endpoint.elog().set_level(websocketpp::log::elevel::RERROR);
+            endpoint.elog().set_level(websocketpp::log::elevel::FATAL);
+        }
+        
+        client::connection_ptr con = endpoint.get_connection(uri);
+        
+        con->add_request_header("User-Agent",user_agent);
+        con->add_subprotocol("wsperf");
+        
+        endpoint.connect(con);
+        
+        // This will block until there is an error or the websocket closes
+        endpoint.run();
+        
+        rc.reset();
+        
+        if (!reconnect) {
+            break;
+        } else {
+            boost::this_thread::sleep(boost::posix_time::seconds(reconnect));
+        }
+    }
+    
+    // Add a "stop work" request for each outstanding worker thread
+    for (thread_it = threads.begin(); thread_it != threads.end(); ++thread_it) {
+        wsperf::request r;
+        r.type = wsperf::END_WORKER;
+        rc.add_request(r);
+    }
+    
+    // Wait for worker threads to finish quitting.
+    for (thread_it = threads.begin(); thread_it != threads.end(); ++thread_it) {
+        (*thread_it)->join();
+    }
+        
+    return 0;
+}
+
+int main(int argc, char* argv[]) {
+    try {
+        // 12288 is max OS X limit without changing kernal settings
+        /*const rlim_t ideal_size = 10000;
+        rlim_t old_size;
+        rlim_t old_max;
+        
+        struct rlimit rl;
+        int result;
+        
+        result = getrlimit(RLIMIT_NOFILE, &rl);
+        if (result == 0) {
+            //std::cout << "System FD limits: " << rl.rlim_cur << " max: " << rl.rlim_max << std::endl;
+            
+            old_size = rl.rlim_cur;
+            old_max = rl.rlim_max;
+            
+            if (rl.rlim_cur < ideal_size) {
+                std::cout << "Attempting to raise system file descriptor limit from " << rl.rlim_cur << " to " << ideal_size << std::endl;
+                rl.rlim_cur = ideal_size;
+                
+                if (rl.rlim_max < ideal_size) {
+                    rl.rlim_max = ideal_size;
+                }
+                
+                result = setrlimit(RLIMIT_NOFILE, &rl);
+                
+                if (result == 0) {
+                    std::cout << "Success" << std::endl;
+                } else if (result == EPERM) {
+                    std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: Insufficient permissions. Try running process as root. system max: " << old_max << std::endl;
+                } else {
+                    std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: " << errno << " system max: " << old_max << std::endl;
+                }
+            }
+        }*/
+        
+        std::string config_file;
+        
+        // Read and Process Command Line Options
+        po::options_description generic("Generic");
+        generic.add_options()
+            ("help", "produce this help message")
+            ("version,v", po::value<int>()->implicit_value(1), "Print version information")
+            ("config", po::value<std::string>(&config_file)->default_value(WSPERF_CONFIG),
+                  "Configuration file to use.")
+        ;
+        
+        po::options_description config("Configuration");
+        config.add_options()
+            ("server,s", po::value<int>()->implicit_value(1), "Run in server mode")
+            ("client,c", po::value<int>()->implicit_value(1), "Run in client mode")
+            ("port,p", po::value<unsigned short>()->default_value(9050), "Port to listen on in server mode")
+            ("uri,u", po::value<std::string>(), "URI to connect to in client mode")
+            ("reconnect,r", po::value<unsigned int>()->default_value(0), "Auto-reconnect delay (in seconds) after a connection ends or fails in client mode. Zero indicates do not reconnect.")
+            ("num_threads", po::value<unsigned int>()->default_value(2), "Number of worker threads to use")
+            ("silent", po::value<int>()->implicit_value(1), "Silent mode. Will not print errors to stdout")
+            ("ident,i", po::value<std::string>()->default_value("Unspecified"), "Implimentation identification string reported by this agent.")
+        ;
+        
+        po::options_description cmdline_options;
+        cmdline_options.add(generic).add(config);
+        
+        po::options_description config_file_options;
+        config_file_options.add(config);
+        
+        po::options_description visible("Allowed options");
+        visible.add(generic).add(config);
+        
+        
+        po::variables_map vm;
+        po::store(po::parse_command_line(argc, argv, cmdline_options), vm);
+        po::notify(vm);
+        
+        std::ifstream ifs(config_file.c_str());
+        if (ifs) {
+            store(parse_config_file(ifs, config_file_options), vm);
+            notify(vm);
+        }
+        
+        if (vm.count("help")) {
+            std::cout << cmdline_options << std::endl;
+            return 1;
+        }
+        
+        if (vm.count("version")) {
+            std::cout << user_agent << std::endl;
+            return 1;
+        }
+        
+        if (vm.count("server") && vm["server"].as<int>() == 1) {
+            return start_server(vm);
+        } else if (vm.count("client") && vm["client"].as<int>() == 1) {
+            return start_client(vm);
+        } else {
+            std::cerr << "You must choose either client or server mode. See wsperf --help for more information" << std::endl;
+            return 1;
+        }
+    } catch (std::exception& e) {
+        std::cerr << "Exception: " << e.what() << std::endl;
+    }
+    
+    return 0;
+}

Subtrees/websocket/examples/wsperf/wsperf_commander.html

@@ -0,0 +1,387 @@
+<!doctype html>
+<html>
+<head>
+    <!--[if lte IE 8]><script language="javascript" type="text/javascript" src="flot/excanvas.min.js"></script><![endif]-->
+    <script language="javascript" type="text/javascript" src="vendor/jquery.min.js"></script>
+    <script language="javascript" type="text/javascript" src="vendor/underscore.js"></script>
+    <script language="javascript" type="text/javascript" src="vendor/backbone.js"></script>
+    <script language="javascript" type="text/javascript" src="vendor/backbone-localstorage.js"></script>
+</head>
+<body>
+
+<script type="text/javascript">
+var ws;
+var url;
+
+var tests = {"9.1.1":1,"9.1.2":2,"9.1.3":3,"9.1.4":4,"9.1.5":5,"9.1.6":6};
+var d2 = [["9.1.1",6021],["9.1.2",22146]];
+
+var raw = {};
+
+var d = [{data:[[0,6021],[2,22146]], label:"Autobahn",bars: { show: true }},{label:"WebSocket++",bars: { show: true },data:[[1,5243],[3,20042]]}];
+
+var ws;
+
+function connect() {
+    url = wsperf.get('server');
+    
+    if ("WebSocket" in window) {
+        ws = new WebSocket(url);
+    } else if ("MozWebSocket" in window) {
+        ws = new MozWebSocket(url);
+    } else {
+        document.getElementById("messages").innerHTML += "This Browser does not support WebSockets<br />";
+        return;
+    }
+    ws.onopen = function(e) {
+        console.log("Client: A connection to "+ws.URL+" has been opened.");
+        
+        wsperf.set('connected',true);
+    };
+    
+    ws.onerror = function(e) {
+        document.getElementById("messages").innerHTML += "Client: An error occured, see console log for more details.<br />";
+        console.log(e);
+        wsperf.set('connected',false);
+    };
+    
+    ws.onclose = function(e) {
+        console.log("Client: The connection to "+url+" was closed.");
+        wsperf.set('connected',false);
+    };
+    
+    ws.onmessage = function(e) {
+        console.log(e.data);
+        
+        data = JSON.parse(e.data);
+        
+        if (data.type == "message") {
+            console.log("Server: "+data.data);
+        } else {
+            if (raw[data.target] === undefined) {
+                raw[data.target] = [data.data];
+            } else {
+                raw[data.target].push(data.data);
+            }
+            process();
+        }
+    };
+}
+
+function disconnect() {
+    ws.close();
+}
+
+function send() {
+    if (ws === undefined || ws.readyState != 1) {
+        document.getElementById("messages").innerHTML += "Client: Websocket is not avaliable for writing<br />";
+        return;
+    }
+    
+    ws.send(document.getElementById("msg").value);
+}
+
+function process() {
+    d = [];
+    
+    k = 0;
+    
+    for (i in raw) {
+        o = {};
+        
+        
+        o.label = i;
+        o.bars = {show: true}
+        
+        o.data = [];
+        
+        for (j in raw[i]) {
+            p = [k++,raw[i][j].microseconds];
+            o.data.push(p);
+        }
+        
+        d.push(o);
+    }
+    $.plot($("#placeholder"), d, {xaxis:[{tickFormatter: euroFormatter}]});
+}
+
+function euroFormatter(v, axis) {
+    return tests[v];
+}
+
+$(function () {
+    //$.plot($("#placeholder"), d, {xaxis:[{tickFormatter: euroFormatter}]});
+    
+    window.WSPerf = Backbone.Model.extend({
+        defaults: function() {
+            return {server:"ws://localhost:9003",connected:false};
+        }
+    });
+    
+    window.Server = Backbone.Model.extend({
+        defaults: function() {
+            return {enabled:true};
+        }
+    });
+  
+    window.ServerList = Backbone.Collection.extend({
+        model: Server,
+        localStorage: new Store("wsperf_servers"),
+    });
+    
+    window.Servers = new ServerList;
+    window.wsperf = new WSPerf;
+    
+    window.ServerView = Backbone.View.extend({
+        tagName: "tr",
+        
+        template: _.template($('#server-template').html()),
+        
+        events: {
+            "click td.clear" : "clear",
+            "click td.server-enabled input" : "toggle_enabled"
+        },
+        
+        initialize: function() {
+            this.model.bind('change', this.render, this);
+            this.model.bind('destroy', this.remove, this);
+        },
+        
+        render: function() {
+            $(this.el).html(this.template(this.model.toJSON()));
+            this.setText();
+            return this;
+        },
+        
+        setText: function() {
+            var ua = this.model.get('ua');
+            var uri = this.model.get('uri');
+            
+            this.$('.server-ua').text(ua);
+            this.$('.server-uri').text(uri);
+        },
+        
+        remove: function() {
+            console.log("remove");
+            $(this.el).remove();
+        },
+        
+        clear: function() {
+            console.log("destroy");
+            this.model.destroy();
+        },
+        
+        toggle_enabled: function() {
+            this.model.set('enabled',!this.model.get('enabled'));
+        }
+    });
+    
+    window.WSPerfSettingsView = Backbone.View.extend({
+        tagName: "div",
+        
+        template: _.template($('#settings-template').html()),
+        
+        events: {
+            "click #add-target-server": "addTargetServer",
+            "click #target-server-table .clear-all": "clearAll",
+            "click #toggle_connect": "toggle_connect"
+        },
+        
+        initialize: function() {
+            //this.model.bind('change', this.render, this);
+            //this.model.bind('destroy', this.remove, this);
+            wsperf.bind('change', this.render, this);
+            
+            Servers.bind('add', this.addOne, this);
+            Servers.bind('reset', this.addAll, this);
+            Servers.bind('all', this.render, this);
+        },
+        
+        render: function() {
+            $(this.el).html(this.template(wsperf.toJSON()));
+            this.inputua = this.$("#add-target-server-ua");
+            this.inputuri = this.$("#add-target-server-uri");
+            this.addAll();
+            return this;
+        },
+        
+        addOne: function(server) {
+            var view = new ServerView({model: server});
+            $("#target-server-list").append(view.render().el);
+        },
+        
+        addAll: function() {
+            Servers.each(this.addOne);
+        },
+        
+        addTargetServer: function() {
+            var ua = this.inputua.val();
+            var uri = this.inputuri.val();
+            
+            console.log("bar "+ua+" "+uri);
+            
+            if (!ua || !uri) {
+                return;
+            }
+            
+            Servers.create({ua: ua, uri: uri});
+            
+            this.inputua.val('');
+            this.inputuri.val('');
+        },
+        
+        clearAll: function() {
+            console.log("foo");
+            Servers.each(function(server) {server.destroy(); });
+            return false;
+        },
+        
+        toggle_connect: function() {
+            if (wsperf.get('connected')) {
+                disconnect();
+            } else {
+                connect();
+            }
+        }
+    });
+    
+    window.WSPerfDataView = Backbone.View.extend({
+        tagName: "div",
+        
+        template: _.template($('#data-template').html()),
+        
+        events: {
+            //"click td.clear" : "clear"
+        },
+        
+        initialize: function() {
+            //this.model.bind('change', this.render, this);
+            //this.model.bind('destroy', this.remove, this);
+        },
+        
+        render: function() {
+            $(this.el).html(this.template());
+            return this;
+        },
+    });
+    
+    /*window.WSPerfCommanderView = Backbone.View.extend({
+        el: $("#wsperf-commander"),
+        
+        events: {
+            //"click #add-target-server": "addTargetServer",
+            //"click #target-server-table .clear-all": "clearAll",
+            //"click #menu-server-settings": "renderServerSettings",
+            //"click #menu-server-settings": "renderServerSettings",
+            //"click #menu-server-settings": "renderServerSettings",
+        },
+        
+        initialize: function() {
+            Servers.fetch();
+        },
+        
+        render: function() {},
+    });*/
+    
+    var WSPerfCommanderRouter = Backbone.Router.extend({
+        initialize: function() {
+            Servers.fetch();
+            settingsView = new WSPerfSettingsView({el: "#content"});
+            dataView = new WSPerfDataView({el: "#content"});
+        },
+        routes: {
+            "/settings": "settings",
+            "/data": "data",
+            "*actions": "defaultRoute"
+        },
+        defaultRoute: function( actions ) {
+            console.log(actions);
+        },
+        settings: function() {
+            settingsView.render();
+        },
+        data: function() {
+            dataView.render();
+        }
+    });
+    
+    var app_router = new WSPerfCommanderRouter;
+    
+    Backbone.history.start();
+    
+    //window.App = new WSPerfCommanderView;
+});
+
+</script>
+
+<style>
+body,html {
+    margin: 0px;
+    padding: 0px;
+}
+#controls {
+    float:left;
+    width:200px;
+    background-color: #999;
+}
+
+#content {
+    margin-left: 200px;
+}
+
+</style>
+
+<div id="wsperf-commander">
+<div id="controls">
+    <ul>
+        <li id="menu-server-settings"><a href="#/settings">Server Settings</a></li>
+        <li id="menu-data-table"><a href="#/data">Data Table</a></li>
+        <li id="menu-charts"><a href="#action">Charts</a></li>
+    </ul>
+    
+    <div id="message_input"><input type="text" name="msg" id="msg" value="ws://localhost:9004" />
+    <button onclick="send();">Send</button></div>
+</div>
+<div id="content">
+    <div id="placeholder" style="width:600px;height:300px"></div>
+    <div id="messages"></div>
+</div>
+</div>
+
+<!-- Templates -->
+
+<script type="text/template" id="server-template">
+    <td class="server-enabled"><input type="checkbox"  <%= (enabled ? "checked" : "") %> /></td>
+    <td class="server-ua"><%= ua %></td>
+    <td class="server-uri"><%= uri %></td>
+    <td class="clear">X</td>
+</script>
+
+<script type="text/template" id="settings-template">
+    <h2>wsperf Server</h2>
+    <div id="server">
+    <input type="text" name="server_url" id="server_url" value="<%= server %>" <%= (connected ? "disabled" : "") %> />
+    <button id="toggle_connect"><%= (connected ? "Disconnect" : "Connect") %></button>
+    </div>
+    
+    <h2>Target Servers</h2>
+    <table id="target-server-table">
+    <thead>
+    <th>Enabled</th><th>User Agent</th><th>URI</th><th class="clear-all">Remove</th>
+    </thead>
+    <tbody id="target-server-list"></tbody>
+    </table>
+    
+    <div>
+    User Agent: <input type="text" id="add-target-server-ua" /><br />
+    URI: <input type="text" id="add-target-server-uri" /><br />
+    <button id="add-target-server">Add Target Server</button>
+    </div>
+</script>
+
+<script type="text/template" id="data-template">
+    <div>data</div>
+</script>
+
+</body>
+</html>