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This commit is contained in:
Peter Thorson
2011-09-07 20:27:29 -05:00
commit fa73c478e9
34 changed files with 3581 additions and 0 deletions
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23
examples/echo_server/Makefile Normal file
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CFLAGS = -O2
LDFLAGS =
CXX ?= c++
SHARED ?= "1"
ifeq ($(SHARED), 1)
LDFLAGS := $(LDFLAGS) -lboost_system -lwebsocketpp
else
LDFLAGS := $(LDFLAGS) -lboost_system ../../libwebsocketpp.a
endif
echo_server: echo_server.o echo.o
$(CXX) $(CFLAGS) $^ -o $@ $(LDFLAGS)
%.o: %.cpp
$(CXX) -c $(CFLAGS) -o $@ $^
# cleanup by removing generated files
#
.PHONY: clean
clean:
rm -f *.o echo_server

16
examples/echo_server/echo.cpp Normal file
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#include "echo.hpp"
using websocketecho::echo_handler;
bool echo_handler::validate(websocketpp::session_ptr client) {
return true;
}
void echo_handler::message(websocketpp::session_ptr client, const std::string &msg) {
client->send(msg);
}
void echo_handler::message(websocketpp::session_ptr client,
const std::vector<unsigned char> &data) {
client->send(data);
}

35
examples/echo_server/echo.hpp Normal file
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#ifndef ECHO_HANDLER_HPP
#define ECHO_HANDLER_HPP
#include "../../src/websocket_connection_handler.hpp"
#include <boost/shared_ptr.hpp>
#include <string>
#include <vector>
namespace websocketecho {
class echo_handler : public websocketpp::connection_handler {
public:
echo_handler() {}
virtual ~echo_handler() {}
// The echo server allows all domains is protocol free.
bool validate(websocketpp::session_ptr client);
// an echo server is stateless. The handler has no need to keep track of connected
// clients.
void connect(websocketpp::session_ptr client) {}
void disconnect(websocketpp::session_ptr client,const std::string &reason) {}
// both text and binary messages are echoed back to the sending client.
void message(websocketpp::session_ptr client,const std::string &msg);
void message(websocketpp::session_ptr client,
const std::vector<unsigned char> &data);
};
typedef boost::shared_ptr<echo_handler> echo_handler_ptr;
}
#endif // ECHO_HANDLER_HPP

94
examples/echo_server/echo_client.html Normal file
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<!doctype html>
<html>
<head>
</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 WebSocket(url);
} else {
document.getElementById("messages").innerHTML += "This Browser does not support WebSockets<br />";
return;
}
ws.onopen = function(e) {
document.getElementById("messages").innerHTML += "Client: A connection to "+ws.URL+" has been opened.<br />";
document.getElementById("server_url").disabled = true;
document.getElementById("toggle_connect").innerHTML = "Disconnect";
};
ws.onerror = function(e) {
document.getElementById("messages").innerHTML += "Client: An error occured, see console log for more details.<br />";
console.log(e);
};
ws.onclose = function(e) {
document.getElementById("messages").innerHTML += "Client: The connection to "+url+" was closed.<br />";
};
ws.onmessage = function(e) {
document.getElementById("messages").innerHTML += "Server: "+e.data+"<br />";
};
}
function disconnect() {
ws.close();
document.getElementById("server_url").disabled = false;
document.getElementById("toggle_connect").innerHTML = "Connect";
}
function toggle_connect() {
if (document.getElementById("server_url").disabled === false) {
connect();
} else {
disconnect();
}
}
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);
document.getElementById("msg").value = "";
}
</script>
<style>
body,html {
margin: 0px;
padding: 0px;
}
#controls {
float:right;
background-color: #999;
}
</style>
<div id="controls">
<div id="server">
<input type="text" name="server_url" id="server_url" value="ws://localhost:5000" />
<button id="toggle_connect" onclick="toggle_connect();">Connect</button>
</div>
<div id="message_input"><input type="text" name="msg" id="msg" value="Hello World!" />
<button onclick="send();">Send</button></div>
</div>
<div id="messages"></div>
</body>
</html>

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examples/echo_server/echo_server Executable file
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43
examples/echo_server/echo_server.cpp Normal file
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#include "echo.hpp"
#include "../../src/websocketpp.hpp"
#include <boost/asio.hpp>
#include <iostream>
using boost::asio::ip::tcp;
int main(int argc, char* argv[]) {
std::string host = "localhost:5000";
short port = 5000;
if (argc == 3) {
// TODO: input validation?
port = atoi(argv[2]);
std::stringstream temp;
temp << argv[1] << ":" << port;
host = temp.str();
}
websocketecho::echo_handler_ptr echo_handler(new websocketecho::echo_handler());
try {
boost::asio::io_service io_service;
tcp::endpoint endpoint(tcp::v6(), port);
websocketpp::server_ptr server(
new websocketpp::server(io_service,endpoint,host,echo_handler)
);
std::cout << "Starting echo server on " << host << std::endl;
io_service.run();
} catch (std::exception& e) {
std::cerr << "Exception: " << e.what() << std::endl;
}
return 0;
}