Squashed 'src/websocketpp/' content from commit 875d420

git-subtree-dir: src/websocketpp
git-subtree-split: 875d420952d2c47d38de15952a401f00773cdffc

docs/simple_count_server_thread.cpp

@@ -0,0 +1,65 @@
+#include <functional>
+#include <mutex>
+#include <set>
+#include <thread>
+
+#include <websocketpp/config/asio_no_tls.hpp>
+#include <websocketpp/server.hpp>
+
+typedef websocketpp::server<websocketpp::config::asio> server;
+
+using websocketpp::connection_hdl;
+
+class count_server {
+public:
+    count_server() : m_count(0) {
+        m_server.init_asio();
+                
+        m_server.set_open_handler(bind(&count_server::on_open,this,_1));
+        m_server.set_close_handler(bind(&count_server::on_close,this,_1));
+    }
+    
+    void on_open(connection_hdl hdl) {
+        std::lock_guard<std::mutex> lock(m_mutex);
+        m_connections.insert(hdl);
+    }
+    
+    void on_close(connection_hdl hdl) {
+        std::lock_guard<std::mutex> lock(m_mutex);
+        m_connections.erase(hdl);
+    }
+    
+    void count() {
+        while (1) {
+            sleep(1);
+            m_count++;
+            
+            std::stringstream ss;
+            ss << m_count;
+            
+            std::lock_guard<std::mutex> lock(m_mutex);    
+            for (auto it : m_connections) {
+                m_server.send(it,ss.str(),websocketpp::frame::opcode::text);
+            }
+        }
+    }
+    
+    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;
+    
+    int m_count;
+    server m_server;
+    con_list m_connections;
+    std::mutex m_mutex;
+};
+
+int main() {
+    count_server server;
+    std::thread t(std::bind(&count_server::count,&server));
+    server.run(9002);
+}