Copy of NetServicesMin with the HTTP Client library. Includes modification for HTTP servers which send the HTTP status line in its own packet.
Diff: api/TCPSocket.h
- Revision:
- 0:18dd877d2c77
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/api/TCPSocket.h Thu May 26 10:02:40 2011 +0000 @@ -0,0 +1,148 @@ + +/* +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. +*/ + +/** \file +TCP Socket header file +*/ + +#ifndef TCPSOCKET_H +#define TCPSOCKET_H + +#include "core/net.h" +#include "core/host.h" +//Essentially it is a safe interface to NetTcpSocket + +///TCP Socket error codes +enum TCPSocketErr +{ + __TCPSOCKET_MIN = -0xFFFF, + TCPSOCKET_SETUP, ///<TCPSocket not properly configured + TCPSOCKET_TIMEOUT, ///<Connection timed out + TCPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized + TCPSOCKET_MEM, ///<Not enough mem + TCPSOCKET_INUSE, ///<Interface / Port is in use + TCPSOCKET_EMPTY, ///<Connections queue is empty + TCPSOCKET_RST, ///<Connection was reset by remote host +//... + TCPSOCKET_OK = 0 ///<Success +}; + +///TCP Socket Events +enum TCPSocketEvent +{ + TCPSOCKET_CONNECTED, ///<Connected to host + TCPSOCKET_ACCEPT, ///<Client is connected, must call accept() to get a new Socket + TCPSOCKET_READABLE, ///<Data in buf + TCPSOCKET_WRITEABLE, ///<Can write data to buf + TCPSOCKET_CONTIMEOUT, ///<Connection timed out + TCPSOCKET_CONRST, ///<Connection was reset by remote host + TCPSOCKET_CONABRT, ///<Connection was aborted + TCPSOCKET_ERROR, ///<Unknown error + TCPSOCKET_DISCONNECTED ///<Disconnected +}; + +class NetTcpSocket; +enum NetTcpSocketEvent; + +///This is a simple TCP Socket class +/** + This class exposes an API to deal with TCP Sockets +*/ +class TCPSocket +{ +public: + ///Creates a new socket + TCPSocket(); +protected: + TCPSocket(NetTcpSocket* pNetTcpSocket); +public: + ///Closes if needed and destroys the socket + ~TCPSocket(); //close() + + ///Binds the socket to (local) host + TCPSocketErr bind(const Host& me); + + ///Starts listening + TCPSocketErr listen(); + + ///Connects socket to host + TCPSocketErr connect(const Host& host); + + ///Accepts connection from client and gets connected socket + TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket); + + ///Sends data + /* + @return a negative error code or the number of bytes transmitted + */ + int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len); + + ///Receives data + /* + @return a negative error code or the number of bytes received + */ + int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len); + + /* TODO NTH : printf / scanf helpers that call send/recv */ + + ///Closes socket + TCPSocketErr close(); + + //Callbacks + ///Setups callback + /** + @param pMethod : callback function + */ + void setOnEvent( void (*pMethod)(TCPSocketEvent) ); + + class CDummy; + ///Setups callback + /** + @param pItem : instance of class on which to execute the callback method + @param pMethod : callback method + */ + template<class T> + void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) ) + { + m_pCbItem = (CDummy*) pItem; + m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod; + } + + ///Disables callback + void resetOnEvent(); + +protected: + void onNetTcpSocketEvent(NetTcpSocketEvent e); + TCPSocketErr checkInst(); + +private: + NetTcpSocket* m_pNetTcpSocket; + + CDummy* m_pCbItem; + void (CDummy::*m_pCbMeth)(TCPSocketEvent); + + void (*m_pCb)(TCPSocketEvent); + +}; + +#endif