Committer:
mbed714
Date:
Tue Nov 09 19:32:44 2010 +0000
Revision:
3:0c324737064d
Parent:
0:98aadd37a5c5

        

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mbed714 0:98aadd37a5c5 1
mbed714 0:98aadd37a5c5 2 /*
mbed714 0:98aadd37a5c5 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mbed714 0:98aadd37a5c5 4
mbed714 0:98aadd37a5c5 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mbed714 0:98aadd37a5c5 6 of this software and associated documentation files (the "Software"), to deal
mbed714 0:98aadd37a5c5 7 in the Software without restriction, including without limitation the rights
mbed714 0:98aadd37a5c5 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed714 0:98aadd37a5c5 9 copies of the Software, and to permit persons to whom the Software is
mbed714 0:98aadd37a5c5 10 furnished to do so, subject to the following conditions:
mbed714 0:98aadd37a5c5 11
mbed714 0:98aadd37a5c5 12 The above copyright notice and this permission notice shall be included in
mbed714 0:98aadd37a5c5 13 all copies or substantial portions of the Software.
mbed714 0:98aadd37a5c5 14
mbed714 0:98aadd37a5c5 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed714 0:98aadd37a5c5 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed714 0:98aadd37a5c5 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed714 0:98aadd37a5c5 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed714 0:98aadd37a5c5 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed714 0:98aadd37a5c5 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mbed714 0:98aadd37a5c5 21 THE SOFTWARE.
mbed714 0:98aadd37a5c5 22 */
mbed714 0:98aadd37a5c5 23
mbed714 0:98aadd37a5c5 24 /** \file
mbed714 0:98aadd37a5c5 25 TCP Socket header file
mbed714 0:98aadd37a5c5 26 */
mbed714 0:98aadd37a5c5 27
mbed714 0:98aadd37a5c5 28 #ifndef TCPSOCKET_H
mbed714 0:98aadd37a5c5 29 #define TCPSOCKET_H
mbed714 0:98aadd37a5c5 30
mbed714 0:98aadd37a5c5 31 #include "core/net.h"
mbed714 0:98aadd37a5c5 32 #include "core/host.h"
mbed714 0:98aadd37a5c5 33 //Essentially it is a safe interface to NetTcpSocket
mbed714 0:98aadd37a5c5 34
mbed714 0:98aadd37a5c5 35 ///TCP Socket error codes
mbed714 0:98aadd37a5c5 36 enum TCPSocketErr
mbed714 0:98aadd37a5c5 37 {
mbed714 0:98aadd37a5c5 38 __TCPSOCKET_MIN = -0xFFFF,
mbed714 0:98aadd37a5c5 39 TCPSOCKET_SETUP, ///<TCPSocket not properly configured
mbed714 0:98aadd37a5c5 40 TCPSOCKET_TIMEOUT, ///<Connection timed out
mbed714 0:98aadd37a5c5 41 TCPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
mbed714 0:98aadd37a5c5 42 TCPSOCKET_MEM, ///<Not enough mem
mbed714 0:98aadd37a5c5 43 TCPSOCKET_INUSE, ///<Interface / Port is in use
mbed714 0:98aadd37a5c5 44 TCPSOCKET_EMPTY, ///<Connections queue is empty
mbed714 0:98aadd37a5c5 45 TCPSOCKET_RST, ///<Connection was reset by remote host
mbed714 0:98aadd37a5c5 46 //...
mbed714 0:98aadd37a5c5 47 TCPSOCKET_OK = 0 ///<Success
mbed714 0:98aadd37a5c5 48 };
mbed714 0:98aadd37a5c5 49
mbed714 0:98aadd37a5c5 50 ///TCP Socket Events
mbed714 0:98aadd37a5c5 51 enum TCPSocketEvent
mbed714 0:98aadd37a5c5 52 {
mbed714 0:98aadd37a5c5 53 TCPSOCKET_CONNECTED, ///<Connected to host
mbed714 0:98aadd37a5c5 54 TCPSOCKET_ACCEPT, ///<Client is connected, must call accept() to get a new Socket
mbed714 0:98aadd37a5c5 55 TCPSOCKET_READABLE, ///<Data in buf
mbed714 0:98aadd37a5c5 56 TCPSOCKET_WRITEABLE, ///<Can write data to buf
mbed714 0:98aadd37a5c5 57 TCPSOCKET_CONTIMEOUT, ///<Connection timed out
mbed714 0:98aadd37a5c5 58 TCPSOCKET_CONRST, ///<Connection was reset by remote host
mbed714 0:98aadd37a5c5 59 TCPSOCKET_CONABRT, ///<Connection was aborted
mbed714 0:98aadd37a5c5 60 TCPSOCKET_ERROR, ///<Unknown error
mbed714 0:98aadd37a5c5 61 TCPSOCKET_DISCONNECTED ///<Disconnected
mbed714 0:98aadd37a5c5 62 };
mbed714 0:98aadd37a5c5 63
mbed714 0:98aadd37a5c5 64 class NetTcpSocket;
mbed714 0:98aadd37a5c5 65 enum NetTcpSocketEvent;
mbed714 0:98aadd37a5c5 66
mbed714 0:98aadd37a5c5 67 ///This is a simple TCP Socket class
mbed714 0:98aadd37a5c5 68 /**
mbed714 0:98aadd37a5c5 69 This class exposes an API to deal with TCP Sockets
mbed714 0:98aadd37a5c5 70 */
mbed714 0:98aadd37a5c5 71 class TCPSocket
mbed714 0:98aadd37a5c5 72 {
mbed714 0:98aadd37a5c5 73 public:
mbed714 0:98aadd37a5c5 74 ///Creates a new socket
mbed714 0:98aadd37a5c5 75 TCPSocket();
mbed714 0:98aadd37a5c5 76 protected:
mbed714 0:98aadd37a5c5 77 TCPSocket(NetTcpSocket* pNetTcpSocket);
mbed714 0:98aadd37a5c5 78 public:
mbed714 0:98aadd37a5c5 79 ///Closes if needed and destroys the socket
mbed714 0:98aadd37a5c5 80 ~TCPSocket(); //close()
mbed714 0:98aadd37a5c5 81
mbed714 0:98aadd37a5c5 82 ///Binds the socket to (local) host
mbed714 0:98aadd37a5c5 83 TCPSocketErr bind(const Host& me);
mbed714 0:98aadd37a5c5 84
mbed714 0:98aadd37a5c5 85 ///Starts listening
mbed714 0:98aadd37a5c5 86 TCPSocketErr listen();
mbed714 0:98aadd37a5c5 87
mbed714 0:98aadd37a5c5 88 ///Connects socket to host
mbed714 0:98aadd37a5c5 89 TCPSocketErr connect(const Host& host);
mbed714 0:98aadd37a5c5 90
mbed714 0:98aadd37a5c5 91 ///Accepts connection from client and gets connected socket
mbed714 0:98aadd37a5c5 92 TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket);
mbed714 0:98aadd37a5c5 93
mbed714 0:98aadd37a5c5 94 ///Sends data
mbed714 0:98aadd37a5c5 95 /*
mbed714 0:98aadd37a5c5 96 @return a negative error code or the number of bytes transmitted
mbed714 0:98aadd37a5c5 97 */
mbed714 0:98aadd37a5c5 98 int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len);
mbed714 0:98aadd37a5c5 99
mbed714 0:98aadd37a5c5 100 ///Receives data
mbed714 0:98aadd37a5c5 101 /*
mbed714 0:98aadd37a5c5 102 @return a negative error code or the number of bytes received
mbed714 0:98aadd37a5c5 103 */
mbed714 0:98aadd37a5c5 104 int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len);
mbed714 0:98aadd37a5c5 105
mbed714 0:98aadd37a5c5 106 /* TODO NTH : printf / scanf helpers that call send/recv */
mbed714 0:98aadd37a5c5 107
mbed714 0:98aadd37a5c5 108 ///Closes socket
mbed714 0:98aadd37a5c5 109 TCPSocketErr close();
mbed714 0:98aadd37a5c5 110
mbed714 0:98aadd37a5c5 111 //Callbacks
mbed714 0:98aadd37a5c5 112 ///Setups callback
mbed714 0:98aadd37a5c5 113 /**
mbed714 0:98aadd37a5c5 114 @param pMethod : callback function
mbed714 0:98aadd37a5c5 115 */
mbed714 0:98aadd37a5c5 116 void setOnEvent( void (*pMethod)(TCPSocketEvent) );
mbed714 0:98aadd37a5c5 117
mbed714 0:98aadd37a5c5 118 class CDummy;
mbed714 0:98aadd37a5c5 119 ///Setups callback
mbed714 0:98aadd37a5c5 120 /**
mbed714 0:98aadd37a5c5 121 @param pItem : instance of class on which to execute the callback method
mbed714 0:98aadd37a5c5 122 @param pMethod : callback method
mbed714 0:98aadd37a5c5 123 */
mbed714 0:98aadd37a5c5 124 template<class T>
mbed714 0:98aadd37a5c5 125 void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) )
mbed714 0:98aadd37a5c5 126 {
mbed714 0:98aadd37a5c5 127 m_pCbItem = (CDummy*) pItem;
mbed714 0:98aadd37a5c5 128 m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod;
mbed714 0:98aadd37a5c5 129 }
mbed714 0:98aadd37a5c5 130
mbed714 0:98aadd37a5c5 131 ///Disables callback
mbed714 0:98aadd37a5c5 132 void resetOnEvent();
mbed714 0:98aadd37a5c5 133
mbed714 0:98aadd37a5c5 134 protected:
mbed714 0:98aadd37a5c5 135 void onNetTcpSocketEvent(NetTcpSocketEvent e);
mbed714 0:98aadd37a5c5 136 TCPSocketErr checkInst();
mbed714 0:98aadd37a5c5 137
mbed714 0:98aadd37a5c5 138 private:
mbed714 0:98aadd37a5c5 139 NetTcpSocket* m_pNetTcpSocket;
mbed714 0:98aadd37a5c5 140
mbed714 0:98aadd37a5c5 141 CDummy* m_pCbItem;
mbed714 0:98aadd37a5c5 142 void (CDummy::*m_pCbMeth)(TCPSocketEvent);
mbed714 0:98aadd37a5c5 143
mbed714 0:98aadd37a5c5 144 void (*m_pCb)(TCPSocketEvent);
mbed714 0:98aadd37a5c5 145
mbed714 0:98aadd37a5c5 146 };
mbed714 0:98aadd37a5c5 147
mbed714 0:98aadd37a5c5 148 #endif