adding net to framework

src/framework/net/connection.cpp

@@ -0,0 +1,86 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "connection.h"
+
+Connection::Connection(boost::asio::io_service& ioService) 
+    : m_socket(ioService), m_resolver(ioService)
+{
+    m_connected = false;
+    m_connecting = false;
+    m_port = 0;
+}
+
+void Connection::stop()
+{
+    if(m_connecting){
+        m_resolver.cancel();
+        m_socket.cancel();
+        
+        m_connecting = false;
+    }
+}
+
+void Connection::connect(const std::string& ip, uint16 port)
+{
+    if(m_connecting){
+        error("Already is connecting.");
+        return;
+    }
+
+    m_connecting = true;
+    m_ip = ip;
+    m_port = port;
+    
+    debug("connecting...");
+    
+    //first resolve dns
+    boost::asio::ip::tcp::resolver::query query(ip, 80);
+    m_resolver.async_resolve(query, boost::bind(&Connection::onResolveDns, this, boost::asio::placeholders::error, boost::asio::placeholders::iterator));
+}
+
+void Connection::onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpoint_iterator)
+{
+    debug("resolving dns..");
+    if(error){
+        m_connecting = false;
+        m_lastError = error;
+        return;
+    }
+
+    //lets connect    
+    m_socket.async_connect(*endpoint_iterator, boost::bind(&Connection::onConnect, this, boost::asio::placeholders::error));
+}
+
+void Connection::onConnect(const boost::system::error_code& error)
+{
+    if(error){
+        m_connecting = false;
+        m_lastError = error;
+        return;
+    }    
+    
+    m_connected = true;
+    
+    notice("Connected on %s.", m_ip.c_str());
+}