adds code from some of the manual examples

examples/handler_switch/handler_switch.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+
+#include <websocketpp/config/asio_no_tls.hpp>
+#include <websocketpp/server.hpp>
+
+typedef websocketpp::server<websocketpp::config::asio> server;
+
+using websocketpp::connection_hdl;
+using websocketpp::lib::placeholders::_1;
+using websocketpp::lib::placeholders::_2;
+using websocketpp::lib::bind;
+using websocketpp::lib::ref;
+
+void custom_on_msg(server & s, connection_hdl hdl, server::message_ptr msg) {
+        std::cout << "Message sent to custom handler" << std::endl;
+}
+
+void default_on_msg(server & s, connection_hdl hdl, server::message_ptr msg) {
+    std::cout << "Message sent to default handler" << std::endl;
+    
+    if (msg->get_payload() == "upgrade") {
+        // Upgrade our connection_hdl to a full connection_ptr
+        server::connection_ptr con = s.get_con_from_hdl(hdl);
+        
+        // Change the on message handler for this connection only to 
+        // custom_on_mesage
+        con->set_message_handler(bind(&custom_on_msg,ref(s),::_1,::_2));
+        std::cout << "Upgrading connection to custom handler" << std::endl;
+    }
+}
+
+int main() {
+    server s;
+
+    s.set_message_handler(bind(&default_on_msg,ref(s),::_1,::_2));
+
+    s.init_asio();
+    s.listen(9002);
+    s.start_accept();
+
+    s.run();
+}

examples/simple_broadcast_server/simple_broadcast_server.cpp

@@ -0,0 +1,51 @@
+#include <set>
+#include <websocketpp/config/asio_no_tls.hpp>
+#include <websocketpp/server.hpp>
+
+typedef websocketpp::server<websocketpp::config::asio> server;
+
+using websocketpp::connection_hdl;
+using websocketpp::lib::placeholders::_1;
+using websocketpp::lib::placeholders::_2;
+using websocketpp::lib::bind;
+
+class broadcast_server {
+public:
+    broadcast_server() {
+        m_server.init_asio();
+                
+        m_server.set_open_handler(bind(&broadcast_server::on_open,this,::_1));
+        m_server.set_close_handler(bind(&broadcast_server::on_close,this,::_1));
+        m_server.set_message_handler(bind(&broadcast_server::on_message,this,::_1,::_2));
+    }
+    
+    void on_open(connection_hdl hdl) {
+        m_connections.insert(hdl);
+    }
+    
+    void on_close(connection_hdl hdl) {
+        m_connections.erase(hdl);
+    }
+    
+    void on_message(connection_hdl hdl, server::message_ptr msg) {
+        for (auto it : m_connections) {
+            m_server.send(it,msg);
+        }
+    }
+
+    void run(uint16_t port) {
+        m_server.listen(port);
+        m_server.start_accept();
+        m_server.run();
+    }
+private:
+    typedef std::set<connection_hdl,std::owner_less<connection_hdl>> con_list;
+
+    server m_server;
+    con_list m_connections;
+};
+
+int main() {
+    broadcast_server server;
+    server.run(9002);
+}