connection update

CMakeLists.txt

@@ -55,6 +55,9 @@ SET(SOURCES
     src/menustate.cpp
     src/teststate.cpp
 
+# game net
+    src/net/protocoltibia87.cpp
+
 # framework sources
     src/framework/dispatcher.cpp
     src/framework/framebuffer.cpp
@@ -79,7 +82,9 @@ SET(SOURCES
 
 # network
     src/framework/net/connection.cpp
-    src/framework/net/connections.cpp)
+    src/framework/net/connections.cpp
+    src/framework/net/protocol.cpp
+    src/framework/net/networkmessage.cpp)
 
 IF(WIN32)
     SET(SOURCES ${SOURCES} src/framework/win32platform.cpp)

src/framework/net/connection.cpp

@@ -43,13 +43,19 @@ void Connection::stop()
     }
 }
 
-void Connection::connect(const std::string& ip, uint16 port)
+bool Connection::connect(const std::string& ip, uint16 port, ConnectionCallback onConnect)
 {
     if(m_connecting){
         logError("Already is connecting.");
-        return;
+        return false;
     }
 
+    if(m_connected){
+        logError("Already is connected.");
+        return false;
+    }
+
+    m_connectCallback = onConnect;
     m_connecting = true;
     m_ip = ip;
     m_port = port;
@@ -57,14 +63,15 @@ void Connection::connect(const std::string& ip, uint16 port)
     //first resolve dns
     boost::asio::ip::tcp::resolver::query query(ip, convertType<std::string, uint16>(port));
     m_resolver.async_resolve(query, boost::bind(&Connection::onResolveDns, this, boost::asio::placeholders::error, boost::asio::placeholders::iterator));
+
+    return true;
 }
 
 void Connection::onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIt)
 {
-    m_lastError = error;
-
     if(error){
         m_connecting = false;
+        m_connectCallback(error);
         return;
     }
 
@@ -74,19 +81,75 @@ void Connection::onResolveDns(const boost::system::error_code& error, boost::asi
 
 void Connection::onConnect(const boost::system::error_code& error)
 {
-    m_lastError = error;
+    if(!error){
+        m_connected = true;
+    }
 
-    if(error){
-        m_connecting = false;
-        return;
-    }    
-    
-    m_connected = true;
+    m_connecting = false;
 
-    if(!m_callback){
-        logError("onConnect::m_callback not set.");
+    m_connectCallback(error);
+}
+
+void Connection::handleError(const boost::system::error_code& error)
+{
+    if(isConnected()){
+        closeSocket();
+    }
+
+    stop();
+}
+
+void Connection::closeSocket()
+{
+    boost::system::error_code error;
+    m_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both, error);
+
+    if(error) {
+        logError("Connection::closeSocket(): %s", error.message().c_str());
+    }
+
+    m_socket.close(error);
+
+    if(error) {
+        logError("Connection::closeSocket(): %s", error.message().c_str());
+    }
+}
+
+void Connection::send(NetworkMessagePtr networkMessage, ConnectionCallback onSend)
+{
+    m_socket.async_send(
+        boost::asio::buffer(networkMessage->getBuffer(), NetworkMessage::header_length),
+        boost::bind(&Connection::onSendHeader, shared_from_this(), networkMessage, onSend, boost::asio::placeholders::error)
+    );
+}
+
+void Connection::onSendHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error)
+{
+    if(!connection->isConnected()){
         return;
     }
 
-    m_callback();
+    if(error){
+        connection->handleError(error);
+        onSend(error);
+        return;
+    }
+
+    connection->getSocket().async_send(
+        boost::asio::buffer(networkMessage->getBodyBuffer(), networkMessage->getMessageLength()),
+        boost::bind(&Connection::onSendBody, connection, networkMessage, onSend, boost::asio::placeholders::error)
+    );
+}
+
+void Connection::onSendBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error)
+{
+    if(!connection->isConnected()){
+        return;
+    }
+
+    if(error){
+        connection->handleError(error);
+    }
+
+    onSend(error);
 }

src/framework/net/connection.h

@@ -28,33 +28,46 @@
 
 #include <boost/asio.hpp>
 
-class TestState;
+#include "networkmessage.h"
 
-class Connection
+class TestState;
+class Protocol;
+class Connections;
+
+class Connection : public std::enable_shared_from_this<Connection>
 {
 public:
+    typedef std::function<void(const boost::system::error_code&)> ConnectionCallback;
+    typedef std::shared_ptr<Connection> ConnectionPtr;
+
+private:
     Connection(boost::asio::io_service& ioService);
 
-    void connect(const std::string& ip, uint16 port);
+    bool connect(const std::string& ip, uint16 port, ConnectionCallback onConnect);
     void stop();
+    void send(NetworkMessagePtr networkMessage, ConnectionCallback onSend);
 
-    bool isConnecting() const { return m_connecting; } 
-    bool isConnected() const { return m_connected; } 
+    bool isConnecting() const { return m_connecting; }
+    bool isConnected() const { return m_connected; }
 
-    const boost::system::error_code& getLastError() const { return m_lastError; }
+    boost::asio::ip::tcp::socket& getSocket() { return m_socket; }
 
-    void resetLastError() { m_lastError = boost::system::error_code(); }
-
-    void setCallback(std::function<void()> f) { m_callback = f; }
+private:
+    static void onSendHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error);
+    static void onSendBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error);
 
 private:
     void onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIt);
     void onConnect(const boost::system::error_code& error);
 
 private:
+    void closeSocket();
+
+private:
+    void handleError(const boost::system::error_code& error);
+
     boost::asio::ip::tcp::socket m_socket;
     boost::asio::ip::tcp::resolver m_resolver;
-    boost::system::error_code m_lastError;
 
     bool m_connecting;
     bool m_connected;
@@ -62,10 +75,12 @@ private:
     std::string m_ip;
     uint16_t m_port;
 
-    std::function<void()> m_callback;
+    ConnectionCallback m_connectCallback;
+
+    friend class Protocol;
+    friend class Connections;
 };
 
 typedef std::shared_ptr<Connection> ConnectionPtr;
 
-
 #endif //CONNECTION_h

src/framework/net/connections.cpp

@@ -34,6 +34,6 @@ ConnectionPtr Connections::createConnection()
 {
     ConnectionPtr connection(new Connection(m_ioService));
     m_connections.push_back(connection);
-    
+
     return connection;
 }

src/framework/prerequisites.h

@@ -31,6 +31,7 @@ typedef unsigned char uchar;
 typedef unsigned short ushort;
 typedef unsigned int uint;
 typedef unsigned long ulong;
+typedef uint64_t uint64;
 typedef uint32_t uint32;
 typedef uint16_t uint16;
 typedef uint8_t uint8;

src/teststate.cpp

@@ -30,24 +30,12 @@
 
 #include "framework/net/connections.h"
 
+#include "net/protocoltibia87.h"
+
 void TestState::onEnter()
 {
-    m_connection = g_connections.createConnection();
-    m_connection->setCallback([this]() {
-        this->onConnect();
-    });
-
-    m_connection->connect("www.google.com.br", 80);
-}
-
-void TestState::onConnect()
-{
-    if(m_connection->isConnected()){
-        logInfo("Connected.");
-    }
-    else{
-        logError("Not connected: %d", m_connection->getLastError().message().c_str());
-    }
+    m_protocol = ProtocolTibia87Ptr(new ProtocolTibia87);
+    m_protocol->begin();
 }
 
 void TestState::onLeave()

src/teststate.h

@@ -26,8 +26,7 @@
 #define TESTSTATE_H
 
 #include "framework/gamestate.h"
-
-#include "framework/net/connection.h"
+#include "net/protocoltibia87.h"
 
 class TestState : public GameState
 {
@@ -44,10 +43,7 @@ public:
     virtual void update(int ticks, int elapsedTicks);
 
 private:
-    void onConnect();
-
-private:
-    ConnectionPtr m_connection;
+    ProtocolTibia87Ptr m_protocol;
 };
 
 #endif // TESTSTATE_H