This library is stripped down version of NetServices library. HTTP server and client function is NOT supported.

Dependents:   imu-daq-eth

Committer:
idinor
Date:
Wed Jul 20 11:45:39 2011 +0000
Revision:
0:dcf3c92487ca

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
idinor 0:dcf3c92487ca 1
idinor 0:dcf3c92487ca 2 /*
idinor 0:dcf3c92487ca 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
idinor 0:dcf3c92487ca 4
idinor 0:dcf3c92487ca 5 Permission is hereby granted, free of charge, to any person obtaining a copy
idinor 0:dcf3c92487ca 6 of this software and associated documentation files (the "Software"), to deal
idinor 0:dcf3c92487ca 7 in the Software without restriction, including without limitation the rights
idinor 0:dcf3c92487ca 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
idinor 0:dcf3c92487ca 9 copies of the Software, and to permit persons to whom the Software is
idinor 0:dcf3c92487ca 10 furnished to do so, subject to the following conditions:
idinor 0:dcf3c92487ca 11
idinor 0:dcf3c92487ca 12 The above copyright notice and this permission notice shall be included in
idinor 0:dcf3c92487ca 13 all copies or substantial portions of the Software.
idinor 0:dcf3c92487ca 14
idinor 0:dcf3c92487ca 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
idinor 0:dcf3c92487ca 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
idinor 0:dcf3c92487ca 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
idinor 0:dcf3c92487ca 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
idinor 0:dcf3c92487ca 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
idinor 0:dcf3c92487ca 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
idinor 0:dcf3c92487ca 21 THE SOFTWARE.
idinor 0:dcf3c92487ca 22 */
idinor 0:dcf3c92487ca 23
idinor 0:dcf3c92487ca 24 /** \file
idinor 0:dcf3c92487ca 25 TCP Socket header file
idinor 0:dcf3c92487ca 26 */
idinor 0:dcf3c92487ca 27
idinor 0:dcf3c92487ca 28 #ifndef TCPSOCKET_H
idinor 0:dcf3c92487ca 29 #define TCPSOCKET_H
idinor 0:dcf3c92487ca 30
idinor 0:dcf3c92487ca 31 #include "core/net.h"
idinor 0:dcf3c92487ca 32 #include "core/host.h"
idinor 0:dcf3c92487ca 33 //Essentially it is a safe interface to NetTcpSocket
idinor 0:dcf3c92487ca 34
idinor 0:dcf3c92487ca 35 ///TCP Socket error codes
idinor 0:dcf3c92487ca 36 enum TCPSocketErr
idinor 0:dcf3c92487ca 37 {
idinor 0:dcf3c92487ca 38 __TCPSOCKET_MIN = -0xFFFF,
idinor 0:dcf3c92487ca 39 TCPSOCKET_SETUP, ///<TCPSocket not properly configured
idinor 0:dcf3c92487ca 40 TCPSOCKET_TIMEOUT, ///<Connection timed out
idinor 0:dcf3c92487ca 41 TCPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
idinor 0:dcf3c92487ca 42 TCPSOCKET_MEM, ///<Not enough mem
idinor 0:dcf3c92487ca 43 TCPSOCKET_INUSE, ///<Interface / Port is in use
idinor 0:dcf3c92487ca 44 TCPSOCKET_EMPTY, ///<Connections queue is empty
idinor 0:dcf3c92487ca 45 TCPSOCKET_RST, ///<Connection was reset by remote host
idinor 0:dcf3c92487ca 46 //...
idinor 0:dcf3c92487ca 47 TCPSOCKET_OK = 0 ///<Success
idinor 0:dcf3c92487ca 48 };
idinor 0:dcf3c92487ca 49
idinor 0:dcf3c92487ca 50 ///TCP Socket Events
idinor 0:dcf3c92487ca 51 enum TCPSocketEvent
idinor 0:dcf3c92487ca 52 {
idinor 0:dcf3c92487ca 53 TCPSOCKET_CONNECTED, ///<Connected to host
idinor 0:dcf3c92487ca 54 TCPSOCKET_ACCEPT, ///<Client is connected, must call accept() to get a new Socket
idinor 0:dcf3c92487ca 55 TCPSOCKET_READABLE, ///<Data in buf
idinor 0:dcf3c92487ca 56 TCPSOCKET_WRITEABLE, ///<Can write data to buf
idinor 0:dcf3c92487ca 57 TCPSOCKET_CONTIMEOUT, ///<Connection timed out
idinor 0:dcf3c92487ca 58 TCPSOCKET_CONRST, ///<Connection was reset by remote host
idinor 0:dcf3c92487ca 59 TCPSOCKET_CONABRT, ///<Connection was aborted
idinor 0:dcf3c92487ca 60 TCPSOCKET_ERROR, ///<Unknown error
idinor 0:dcf3c92487ca 61 TCPSOCKET_DISCONNECTED ///<Disconnected
idinor 0:dcf3c92487ca 62 };
idinor 0:dcf3c92487ca 63
idinor 0:dcf3c92487ca 64 class NetTcpSocket;
idinor 0:dcf3c92487ca 65 enum NetTcpSocketEvent;
idinor 0:dcf3c92487ca 66
idinor 0:dcf3c92487ca 67 ///This is a simple TCP Socket class
idinor 0:dcf3c92487ca 68 /**
idinor 0:dcf3c92487ca 69 This class exposes an API to deal with TCP Sockets
idinor 0:dcf3c92487ca 70 */
idinor 0:dcf3c92487ca 71 class TCPSocket
idinor 0:dcf3c92487ca 72 {
idinor 0:dcf3c92487ca 73 public:
idinor 0:dcf3c92487ca 74 ///Creates a new socket
idinor 0:dcf3c92487ca 75 TCPSocket();
idinor 0:dcf3c92487ca 76 protected:
idinor 0:dcf3c92487ca 77 TCPSocket(NetTcpSocket* pNetTcpSocket);
idinor 0:dcf3c92487ca 78 public:
idinor 0:dcf3c92487ca 79 ///Closes if needed and destroys the socket
idinor 0:dcf3c92487ca 80 ~TCPSocket(); //close()
idinor 0:dcf3c92487ca 81
idinor 0:dcf3c92487ca 82 ///Binds the socket to (local) host
idinor 0:dcf3c92487ca 83 TCPSocketErr bind(const Host& me);
idinor 0:dcf3c92487ca 84
idinor 0:dcf3c92487ca 85 ///Starts listening
idinor 0:dcf3c92487ca 86 TCPSocketErr listen();
idinor 0:dcf3c92487ca 87
idinor 0:dcf3c92487ca 88 ///Connects socket to host
idinor 0:dcf3c92487ca 89 TCPSocketErr connect(const Host& host);
idinor 0:dcf3c92487ca 90
idinor 0:dcf3c92487ca 91 ///Accepts connection from client and gets connected socket
idinor 0:dcf3c92487ca 92 TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket);
idinor 0:dcf3c92487ca 93
idinor 0:dcf3c92487ca 94 ///Sends data
idinor 0:dcf3c92487ca 95 /*
idinor 0:dcf3c92487ca 96 @return a negative error code or the number of bytes transmitted
idinor 0:dcf3c92487ca 97 */
idinor 0:dcf3c92487ca 98 int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len);
idinor 0:dcf3c92487ca 99
idinor 0:dcf3c92487ca 100 ///Receives data
idinor 0:dcf3c92487ca 101 /*
idinor 0:dcf3c92487ca 102 @return a negative error code or the number of bytes received
idinor 0:dcf3c92487ca 103 */
idinor 0:dcf3c92487ca 104 int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len);
idinor 0:dcf3c92487ca 105
idinor 0:dcf3c92487ca 106 /* TODO NTH : printf / scanf helpers that call send/recv */
idinor 0:dcf3c92487ca 107
idinor 0:dcf3c92487ca 108 ///Closes socket
idinor 0:dcf3c92487ca 109 TCPSocketErr close();
idinor 0:dcf3c92487ca 110
idinor 0:dcf3c92487ca 111 //Callbacks
idinor 0:dcf3c92487ca 112 ///Setups callback
idinor 0:dcf3c92487ca 113 /**
idinor 0:dcf3c92487ca 114 @param pMethod : callback function
idinor 0:dcf3c92487ca 115 */
idinor 0:dcf3c92487ca 116 void setOnEvent( void (*pMethod)(TCPSocketEvent) );
idinor 0:dcf3c92487ca 117
idinor 0:dcf3c92487ca 118 class CDummy;
idinor 0:dcf3c92487ca 119 ///Setups callback
idinor 0:dcf3c92487ca 120 /**
idinor 0:dcf3c92487ca 121 @param pItem : instance of class on which to execute the callback method
idinor 0:dcf3c92487ca 122 @param pMethod : callback method
idinor 0:dcf3c92487ca 123 */
idinor 0:dcf3c92487ca 124 template<class T>
idinor 0:dcf3c92487ca 125 void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) )
idinor 0:dcf3c92487ca 126 {
idinor 0:dcf3c92487ca 127 m_pCbItem = (CDummy*) pItem;
idinor 0:dcf3c92487ca 128 m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod;
idinor 0:dcf3c92487ca 129 }
idinor 0:dcf3c92487ca 130
idinor 0:dcf3c92487ca 131 ///Disables callback
idinor 0:dcf3c92487ca 132 void resetOnEvent();
idinor 0:dcf3c92487ca 133
idinor 0:dcf3c92487ca 134 protected:
idinor 0:dcf3c92487ca 135 void onNetTcpSocketEvent(NetTcpSocketEvent e);
idinor 0:dcf3c92487ca 136 TCPSocketErr checkInst();
idinor 0:dcf3c92487ca 137
idinor 0:dcf3c92487ca 138 private:
idinor 0:dcf3c92487ca 139 NetTcpSocket* m_pNetTcpSocket;
idinor 0:dcf3c92487ca 140
idinor 0:dcf3c92487ca 141 CDummy* m_pCbItem;
idinor 0:dcf3c92487ca 142 void (CDummy::*m_pCbMeth)(TCPSocketEvent);
idinor 0:dcf3c92487ca 143
idinor 0:dcf3c92487ca 144 void (*m_pCb)(TCPSocketEvent);
idinor 0:dcf3c92487ca 145
idinor 0:dcf3c92487ca 146 };
idinor 0:dcf3c92487ca 147
idinor 0:dcf3c92487ca 148 #endif