begining tibia protocol

CMakeLists.txt

@@ -12,6 +12,7 @@ FIND_PACKAGE(Lua51 REQUIRED)
 FIND_PACKAGE(YamlCpp REQUIRED)
 FIND_PACKAGE(PhysFS REQUIRED)
 FIND_PACKAGE(PNG REQUIRED)
+FIND_PACKAGE(GMP REQUIRED)
 
 # choose a default build type if not specified
 IF(NOT CMAKE_BUILD_TYPE)
@@ -33,6 +34,7 @@ INCLUDE_DIRECTORIES(
     ${LUA_INCLUDE_DIRS}
     ${YAMLCPP_INCLUDE_DIRS}
     ${PHYSFS_INCLUDE_DIRS}
+    ${GMP_INCLUDE_DIR}
     ${PNG_INCLUDE_DIRS})
 
 LINK_DIRECTORIES(
@@ -84,7 +86,10 @@ SET(SOURCES
     src/framework/net/connection.cpp
     src/framework/net/connections.cpp
     src/framework/net/protocol.cpp
-    src/framework/net/networkmessage.cpp)
+    src/framework/net/networkmessage.cpp
+
+# util
+    src/framework/util/rsa.cpp)
 
 IF(WIN32)
     SET(SOURCES ${SOURCES} src/framework/win32platform.cpp)
@@ -106,4 +111,5 @@ TARGET_LINK_LIBRARIES(otclient
     ${YAMLCPP_LIBRARY}
     ${PHYSFS_LIBRARY}
     ${PNG_LIBRARY}
+    ${GMP_LIBRARIES}
     ${ADDITIONAL_LIBRARIES})

src/framework/net/connection.cpp

@@ -71,7 +71,7 @@ void Connection::onResolveDns(const boost::system::error_code& error, boost::asi
 {
     if(error){
         m_connecting = false;
-        m_connectCallback(error);
+        m_errorCallback(error, __FUNCTION__);
         return;
     }
 
@@ -81,22 +81,24 @@ void Connection::onResolveDns(const boost::system::error_code& error, boost::asi
 
 void Connection::onConnect(const boost::system::error_code& error)
 {
-    if(!error){
+    if(error){
-        m_connected = true;
+        m_connecting = false;
+        m_errorCallback(error, __FUNCTION__);
+        return;
     }
 
-    m_connecting = false;
+    m_connected = true;
 
-    m_connectCallback(error);
+    m_connectCallback();
 }
 
 void Connection::handleError(const boost::system::error_code& error)
 {
+    stop();
+
     if(isConnected()){
         closeSocket();
     }
-
-    stop();
 }
 
 void Connection::closeSocket()
@@ -117,39 +119,64 @@ void Connection::closeSocket()
 
 void Connection::send(NetworkMessagePtr networkMessage, ConnectionCallback onSend)
 {
-    m_socket.async_send(
+    boost::asio::async_write(m_socket,
         boost::asio::buffer(networkMessage->getBuffer(), NetworkMessage::header_length),
-        boost::bind(&Connection::onSendHeader, shared_from_this(), networkMessage, onSend, boost::asio::placeholders::error)
+        boost::bind(&Connection::onSendHeader, shared_from_this(), networkMessage, onSend, boost::asio::placeholders::error));
-    );
+}
+
+void Connection::recv(RecvCallback onRecv)
+{
+    NetworkMessagePtr networkMessage(new NetworkMessage);
+
+    boost::asio::async_read(m_socket,
+        boost::asio::buffer(networkMessage->getBuffer(), NetworkMessage::header_length),
+        boost::bind(&Connection::onRecvHeader, shared_from_this(), networkMessage, onRecv, boost::asio::placeholders::error));
+}
+
+void Connection::onRecvHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    boost::asio::async_read(connection->getSocket(),
+        boost::asio::buffer(networkMessage->getBodyBuffer(), networkMessage->getMessageLength()),
+        boost::bind(&Connection::onRecvBody, connection, networkMessage, onRecv, boost::asio::placeholders::error));
+}
+
+void Connection::onRecvBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    onRecv(networkMessage);
 }
 
 void Connection::onSendHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error)
 {
-    if(!connection->isConnected()){
-        return;
-    }
-
     if(error){
         connection->handleError(error);
-        onSend(error);
+        connection->onError(error, __FUNCTION__);
         return;
     }
 
-    connection->getSocket().async_send(
+    boost::asio::async_write(connection->getSocket(),
         boost::asio::buffer(networkMessage->getBodyBuffer(), networkMessage->getMessageLength()),
-        boost::bind(&Connection::onSendBody, connection, networkMessage, onSend, boost::asio::placeholders::error)
+        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()){
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
         return;
     }
 
-    if(error){
+    onSend();
-        connection->handleError(error);
-    }
-
-    onSend(error);
 }

src/framework/net/connection.h

@@ -37,7 +37,10 @@ class Connections;
 class Connection : public std::enable_shared_from_this<Connection>
 {
 public:
-    typedef std::function<void(const boost::system::error_code&)> ConnectionCallback;
+    typedef std::function<void()> ConnectionCallback;
+    typedef std::function<void(NetworkMessagePtr)> RecvCallback;
+    typedef std::function<void(const boost::system::error_code&, const std::string&)> ErrorCallback;
+
     typedef std::shared_ptr<Connection> ConnectionPtr;
 
 private:
@@ -45,17 +48,26 @@ private:
 
     bool connect(const std::string& ip, uint16 port, ConnectionCallback onConnect);
     void stop();
-    void send(NetworkMessagePtr networkMessage, ConnectionCallback onSend);
+
+    void setErrorCallback(ErrorCallback c) { m_errorCallback = c; }
+
+    void recv(RecvCallback onSend);
+    void send(NetworkMessagePtr networkMessage, ConnectionCallback onRecv);
 
     bool isConnecting() const { return m_connecting; }
     bool isConnected() const { return m_connected; }
 
     boost::asio::ip::tcp::socket& getSocket() { return m_socket; }
 
+    void onError(const boost::system::error_code& error, const std::string& msg) { m_errorCallback(error, msg); }
+    
 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);
 
+    static void onRecvHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error);
+    static void onRecvBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, 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);
@@ -76,6 +88,7 @@ private:
     uint16_t m_port;
 
     ConnectionCallback m_connectCallback;
+    ErrorCallback m_errorCallback;
 
     friend class Protocol;
     friend class Connections;