Diff: LPC1768/api/TCPSocket.h

Revision:

0:422060928e37

Child:

5:bc7df6da7589

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC1768/api/TCPSocket.h	Fri Jun 11 16:25:22 2010 +0000
@@ -0,0 +1,105 @@
+
+/*
+Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
+ 
+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.
+*/
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include "if/net/net.h"
+//Essentially it is a safe interface to NetTcpSocket
+
+enum TCPSocketErr
+{
+  __TCPSOCKET_MIN = -0xFFFF,
+  TCPSOCKET_SETUP, //NetTcpSocket not properly configured
+  TCPSOCKET_TIMEOUT,
+  TCPSOCKET_IF, //If has problems, does not exist or is not initialized
+  TCPSOCKET_MEM, //Not enough mem
+  TCPSOCKET_INUSE, //If/Port is in use
+  TCPSOCKET_EMPTY, //Connections queue is empty
+  TCPSOCKET_RST, // Connection was reset by remote host
+//...
+  TCPSOCKET_OK = 0
+};
+
+enum TCPSocketEvent
+{
+  TCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
+  TCPSOCKET_ACCEPT,  //Connected to client
+  TCPSOCKET_READABLE, //Data in buf
+  TCPSOCKET_WRITEABLE, //Can write data to buf
+  TCPSOCKET_CONTIMEOUT,
+  TCPSOCKET_CONRST,
+  TCPSOCKET_CONABRT,
+  TCPSOCKET_ERROR,
+  TCPSOCKET_DISCONNECTED
+};
+
+
+class TCPSocket
+{
+public:
+  TCPSocket();
+protected:
+  TCPSocket(NetTcpSocket* pNetTcpSocket);
+public:
+  ~TCPSocket(); //close()
+  
+  TCPSocketErr bind(const Host& me);
+  TCPSocketErr listen();
+  TCPSocketErr connect(const Host& host);
+  TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket);
+  
+  int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len);
+  int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len);
+
+  /* TODO NTH : printf / scanf helpers that call send/recv */
+
+  TCPSocketErr close();
+
+  class CDummy;
+  //Callbacks
+  void setOnEvent( void (*pMethod)(TCPSocketEvent) );
+  template<class T> 
+  void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) )
+  {
+    m_pCbItem = (CDummy*) pItem;
+    m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod;
+  }
+  
+  void resetOnEvent(); //Disable callback
+  
+protected:
+  void onNetTcpSocketEvent(NetTcpSocketEvent e);
+  TCPSocketErr checkInst();
+
+private:
+  NetTcpSocket* m_pNetTcpSocket;
+  
+  CDummy* m_pCbItem;
+  void (CDummy::*m_pCbMeth)(TCPSocketEvent);
+  
+  void (*m_pCb)(TCPSocketEvent);
+  
+};
+
+#endif