Committer:
mbed714
Date:
Sat Sep 18 23:05:49 2010 +0000
Revision:
0:d616ece2d859

        

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mbed714 0:d616ece2d859 1
mbed714 0:d616ece2d859 2 /*
mbed714 0:d616ece2d859 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mbed714 0:d616ece2d859 4
mbed714 0:d616ece2d859 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mbed714 0:d616ece2d859 6 of this software and associated documentation files (the "Software"), to deal
mbed714 0:d616ece2d859 7 in the Software without restriction, including without limitation the rights
mbed714 0:d616ece2d859 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed714 0:d616ece2d859 9 copies of the Software, and to permit persons to whom the Software is
mbed714 0:d616ece2d859 10 furnished to do so, subject to the following conditions:
mbed714 0:d616ece2d859 11
mbed714 0:d616ece2d859 12 The above copyright notice and this permission notice shall be included in
mbed714 0:d616ece2d859 13 all copies or substantial portions of the Software.
mbed714 0:d616ece2d859 14
mbed714 0:d616ece2d859 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed714 0:d616ece2d859 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed714 0:d616ece2d859 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed714 0:d616ece2d859 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed714 0:d616ece2d859 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed714 0:d616ece2d859 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mbed714 0:d616ece2d859 21 THE SOFTWARE.
mbed714 0:d616ece2d859 22 */
mbed714 0:d616ece2d859 23
mbed714 0:d616ece2d859 24 /** \file
mbed714 0:d616ece2d859 25 TCP Socket header file
mbed714 0:d616ece2d859 26 */
mbed714 0:d616ece2d859 27
mbed714 0:d616ece2d859 28 #ifndef TCPSOCKET_H
mbed714 0:d616ece2d859 29 #define TCPSOCKET_H
mbed714 0:d616ece2d859 30
mbed714 0:d616ece2d859 31 #include "core/net.h"
mbed714 0:d616ece2d859 32 #include "core/host.h"
mbed714 0:d616ece2d859 33 //Essentially it is a safe interface to NetTcpSocket
mbed714 0:d616ece2d859 34
mbed714 0:d616ece2d859 35 ///TCP Socket error codes
mbed714 0:d616ece2d859 36 enum TCPSocketErr
mbed714 0:d616ece2d859 37 {
mbed714 0:d616ece2d859 38 __TCPSOCKET_MIN = -0xFFFF,
mbed714 0:d616ece2d859 39 TCPSOCKET_SETUP, ///<TCPSocket not properly configured
mbed714 0:d616ece2d859 40 TCPSOCKET_TIMEOUT, ///<Connection timed out
mbed714 0:d616ece2d859 41 TCPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
mbed714 0:d616ece2d859 42 TCPSOCKET_MEM, ///<Not enough mem
mbed714 0:d616ece2d859 43 TCPSOCKET_INUSE, ///<Interface / Port is in use
mbed714 0:d616ece2d859 44 TCPSOCKET_EMPTY, ///<Connections queue is empty
mbed714 0:d616ece2d859 45 TCPSOCKET_RST, ///<Connection was reset by remote host
mbed714 0:d616ece2d859 46 //...
mbed714 0:d616ece2d859 47 TCPSOCKET_OK = 0 ///<Success
mbed714 0:d616ece2d859 48 };
mbed714 0:d616ece2d859 49
mbed714 0:d616ece2d859 50 ///TCP Socket Events
mbed714 0:d616ece2d859 51 enum TCPSocketEvent
mbed714 0:d616ece2d859 52 {
mbed714 0:d616ece2d859 53 TCPSOCKET_CONNECTED, ///<Connected to host
mbed714 0:d616ece2d859 54 TCPSOCKET_ACCEPT, ///<Client is connected, must call accept() to get a new Socket
mbed714 0:d616ece2d859 55 TCPSOCKET_READABLE, ///<Data in buf
mbed714 0:d616ece2d859 56 TCPSOCKET_WRITEABLE, ///<Can write data to buf
mbed714 0:d616ece2d859 57 TCPSOCKET_CONTIMEOUT, ///<Connection timed out
mbed714 0:d616ece2d859 58 TCPSOCKET_CONRST, ///<Connection was reset by remote host
mbed714 0:d616ece2d859 59 TCPSOCKET_CONABRT, ///<Connection was aborted
mbed714 0:d616ece2d859 60 TCPSOCKET_ERROR, ///<Unknown error
mbed714 0:d616ece2d859 61 TCPSOCKET_DISCONNECTED ///<Disconnected
mbed714 0:d616ece2d859 62 };
mbed714 0:d616ece2d859 63
mbed714 0:d616ece2d859 64 class NetTcpSocket;
mbed714 0:d616ece2d859 65 enum NetTcpSocketEvent;
mbed714 0:d616ece2d859 66
mbed714 0:d616ece2d859 67 ///This is a simple TCP Socket class
mbed714 0:d616ece2d859 68 /**
mbed714 0:d616ece2d859 69 This class exposes an API to deal with TCP Sockets
mbed714 0:d616ece2d859 70 */
mbed714 0:d616ece2d859 71 class TCPSocket
mbed714 0:d616ece2d859 72 {
mbed714 0:d616ece2d859 73 public:
mbed714 0:d616ece2d859 74 ///Creates a new socket
mbed714 0:d616ece2d859 75 TCPSocket();
mbed714 0:d616ece2d859 76 protected:
mbed714 0:d616ece2d859 77 TCPSocket(NetTcpSocket* pNetTcpSocket);
mbed714 0:d616ece2d859 78 public:
mbed714 0:d616ece2d859 79 ///Closes if needed and destroys the socket
mbed714 0:d616ece2d859 80 ~TCPSocket(); //close()
mbed714 0:d616ece2d859 81
mbed714 0:d616ece2d859 82 ///Binds the socket to (local) host
mbed714 0:d616ece2d859 83 TCPSocketErr bind(const Host& me);
mbed714 0:d616ece2d859 84
mbed714 0:d616ece2d859 85 ///Starts listening
mbed714 0:d616ece2d859 86 TCPSocketErr listen();
mbed714 0:d616ece2d859 87
mbed714 0:d616ece2d859 88 ///Connects socket to host
mbed714 0:d616ece2d859 89 TCPSocketErr connect(const Host& host);
mbed714 0:d616ece2d859 90
mbed714 0:d616ece2d859 91 ///Accepts connection from client and gets connected socket
mbed714 0:d616ece2d859 92 TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket);
mbed714 0:d616ece2d859 93
mbed714 0:d616ece2d859 94 ///Sends data
mbed714 0:d616ece2d859 95 /*
mbed714 0:d616ece2d859 96 @return a negative error code or the number of bytes transmitted
mbed714 0:d616ece2d859 97 */
mbed714 0:d616ece2d859 98 int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len);
mbed714 0:d616ece2d859 99
mbed714 0:d616ece2d859 100 ///Receives data
mbed714 0:d616ece2d859 101 /*
mbed714 0:d616ece2d859 102 @return a negative error code or the number of bytes received
mbed714 0:d616ece2d859 103 */
mbed714 0:d616ece2d859 104 int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len);
mbed714 0:d616ece2d859 105
mbed714 0:d616ece2d859 106 /* TODO NTH : printf / scanf helpers that call send/recv */
mbed714 0:d616ece2d859 107
mbed714 0:d616ece2d859 108 ///Closes socket
mbed714 0:d616ece2d859 109 TCPSocketErr close();
mbed714 0:d616ece2d859 110
mbed714 0:d616ece2d859 111 //Callbacks
mbed714 0:d616ece2d859 112 ///Setups callback
mbed714 0:d616ece2d859 113 /**
mbed714 0:d616ece2d859 114 @param pMethod : callback function
mbed714 0:d616ece2d859 115 */
mbed714 0:d616ece2d859 116 void setOnEvent( void (*pMethod)(TCPSocketEvent) );
mbed714 0:d616ece2d859 117
mbed714 0:d616ece2d859 118 class CDummy;
mbed714 0:d616ece2d859 119 ///Setups callback
mbed714 0:d616ece2d859 120 /**
mbed714 0:d616ece2d859 121 @param pItem : instance of class on which to execute the callback method
mbed714 0:d616ece2d859 122 @param pMethod : callback method
mbed714 0:d616ece2d859 123 */
mbed714 0:d616ece2d859 124 template<class T>
mbed714 0:d616ece2d859 125 void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) )
mbed714 0:d616ece2d859 126 {
mbed714 0:d616ece2d859 127 m_pCbItem = (CDummy*) pItem;
mbed714 0:d616ece2d859 128 m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod;
mbed714 0:d616ece2d859 129 }
mbed714 0:d616ece2d859 130
mbed714 0:d616ece2d859 131 ///Disables callback
mbed714 0:d616ece2d859 132 void resetOnEvent();
mbed714 0:d616ece2d859 133
mbed714 0:d616ece2d859 134 protected:
mbed714 0:d616ece2d859 135 void onNetTcpSocketEvent(NetTcpSocketEvent e);
mbed714 0:d616ece2d859 136 TCPSocketErr checkInst();
mbed714 0:d616ece2d859 137
mbed714 0:d616ece2d859 138 private:
mbed714 0:d616ece2d859 139 NetTcpSocket* m_pNetTcpSocket;
mbed714 0:d616ece2d859 140
mbed714 0:d616ece2d859 141 CDummy* m_pCbItem;
mbed714 0:d616ece2d859 142 void (CDummy::*m_pCbMeth)(TCPSocketEvent);
mbed714 0:d616ece2d859 143
mbed714 0:d616ece2d859 144 void (*m_pCb)(TCPSocketEvent);
mbed714 0:d616ece2d859 145
mbed714 0:d616ece2d859 146 };
mbed714 0:d616ece2d859 147
mbed714 0:d616ece2d859 148 #endif