Rod Coleman / NetServices

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

api/TCPSocket.h@0:8f5825f330b0, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:41:36 2011 +0000
Revision:
0:8f5825f330b0
setDataLen hacked to 180bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8f5825f330b0 1
RodColeman 0:8f5825f330b0 2 /*
RodColeman 0:8f5825f330b0 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:8f5825f330b0 4
RodColeman 0:8f5825f330b0 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:8f5825f330b0 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:8f5825f330b0 7 in the Software without restriction, including without limitation the rights
RodColeman 0:8f5825f330b0 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:8f5825f330b0 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:8f5825f330b0 10 furnished to do so, subject to the following conditions:
RodColeman 0:8f5825f330b0 11
RodColeman 0:8f5825f330b0 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:8f5825f330b0 13 all copies or substantial portions of the Software.
RodColeman 0:8f5825f330b0 14
RodColeman 0:8f5825f330b0 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:8f5825f330b0 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:8f5825f330b0 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:8f5825f330b0 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:8f5825f330b0 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:8f5825f330b0 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:8f5825f330b0 21 THE SOFTWARE.
RodColeman 0:8f5825f330b0 22 */
RodColeman 0:8f5825f330b0 23
RodColeman 0:8f5825f330b0 24 /** \file
RodColeman 0:8f5825f330b0 25 TCP Socket header file
RodColeman 0:8f5825f330b0 26 */
RodColeman 0:8f5825f330b0 27
RodColeman 0:8f5825f330b0 28 #ifndef TCPSOCKET_H
RodColeman 0:8f5825f330b0 29 #define TCPSOCKET_H
RodColeman 0:8f5825f330b0 30
RodColeman 0:8f5825f330b0 31 #include "core/net.h"
RodColeman 0:8f5825f330b0 32 #include "core/host.h"
RodColeman 0:8f5825f330b0 33 //Essentially it is a safe interface to NetTcpSocket
RodColeman 0:8f5825f330b0 34
RodColeman 0:8f5825f330b0 35 ///TCP Socket error codes
RodColeman 0:8f5825f330b0 36 enum TCPSocketErr
RodColeman 0:8f5825f330b0 37 {
RodColeman 0:8f5825f330b0 38 __TCPSOCKET_MIN = -0xFFFF,
RodColeman 0:8f5825f330b0 39 TCPSOCKET_SETUP, ///<TCPSocket not properly configured
RodColeman 0:8f5825f330b0 40 TCPSOCKET_TIMEOUT, ///<Connection timed out
RodColeman 0:8f5825f330b0 41 TCPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
RodColeman 0:8f5825f330b0 42 TCPSOCKET_MEM, ///<Not enough mem
RodColeman 0:8f5825f330b0 43 TCPSOCKET_INUSE, ///<Interface / Port is in use
RodColeman 0:8f5825f330b0 44 TCPSOCKET_EMPTY, ///<Connections queue is empty
RodColeman 0:8f5825f330b0 45 TCPSOCKET_RST, ///<Connection was reset by remote host
RodColeman 0:8f5825f330b0 46 //...
RodColeman 0:8f5825f330b0 47 TCPSOCKET_OK = 0 ///<Success
RodColeman 0:8f5825f330b0 48 };
RodColeman 0:8f5825f330b0 49
RodColeman 0:8f5825f330b0 50 ///TCP Socket Events
RodColeman 0:8f5825f330b0 51 enum TCPSocketEvent
RodColeman 0:8f5825f330b0 52 {
RodColeman 0:8f5825f330b0 53 TCPSOCKET_CONNECTED, ///<Connected to host
RodColeman 0:8f5825f330b0 54 TCPSOCKET_ACCEPT, ///<Client is connected, must call accept() to get a new Socket
RodColeman 0:8f5825f330b0 55 TCPSOCKET_READABLE, ///<Data in buf
RodColeman 0:8f5825f330b0 56 TCPSOCKET_WRITEABLE, ///<Can write data to buf
RodColeman 0:8f5825f330b0 57 TCPSOCKET_CONTIMEOUT, ///<Connection timed out
RodColeman 0:8f5825f330b0 58 TCPSOCKET_CONRST, ///<Connection was reset by remote host
RodColeman 0:8f5825f330b0 59 TCPSOCKET_CONABRT, ///<Connection was aborted
RodColeman 0:8f5825f330b0 60 TCPSOCKET_ERROR, ///<Unknown error
RodColeman 0:8f5825f330b0 61 TCPSOCKET_DISCONNECTED ///<Disconnected
RodColeman 0:8f5825f330b0 62 };
RodColeman 0:8f5825f330b0 63
RodColeman 0:8f5825f330b0 64 class NetTcpSocket;
RodColeman 0:8f5825f330b0 65 enum NetTcpSocketEvent;
RodColeman 0:8f5825f330b0 66
RodColeman 0:8f5825f330b0 67 ///This is a simple TCP Socket class
RodColeman 0:8f5825f330b0 68 /**
RodColeman 0:8f5825f330b0 69 This class exposes an API to deal with TCP Sockets
RodColeman 0:8f5825f330b0 70 */
RodColeman 0:8f5825f330b0 71 class TCPSocket
RodColeman 0:8f5825f330b0 72 {
RodColeman 0:8f5825f330b0 73 public:
RodColeman 0:8f5825f330b0 74 ///Creates a new socket
RodColeman 0:8f5825f330b0 75 TCPSocket();
RodColeman 0:8f5825f330b0 76 protected:
RodColeman 0:8f5825f330b0 77 TCPSocket(NetTcpSocket* pNetTcpSocket);
RodColeman 0:8f5825f330b0 78 public:
RodColeman 0:8f5825f330b0 79 ///Closes if needed and destroys the socket
RodColeman 0:8f5825f330b0 80 ~TCPSocket(); //close()
RodColeman 0:8f5825f330b0 81
RodColeman 0:8f5825f330b0 82 ///Binds the socket to (local) host
RodColeman 0:8f5825f330b0 83 TCPSocketErr bind(const Host& me);
RodColeman 0:8f5825f330b0 84
RodColeman 0:8f5825f330b0 85 ///Starts listening
RodColeman 0:8f5825f330b0 86 TCPSocketErr listen();
RodColeman 0:8f5825f330b0 87
RodColeman 0:8f5825f330b0 88 ///Connects socket to host
RodColeman 0:8f5825f330b0 89 TCPSocketErr connect(const Host& host);
RodColeman 0:8f5825f330b0 90
RodColeman 0:8f5825f330b0 91 ///Accepts connection from client and gets connected socket
RodColeman 0:8f5825f330b0 92 TCPSocketErr accept(Host* pClient, TCPSocket** ppNewTcpSocket);
RodColeman 0:8f5825f330b0 93
RodColeman 0:8f5825f330b0 94 ///Sends data
RodColeman 0:8f5825f330b0 95 /*
RodColeman 0:8f5825f330b0 96 @return a negative error code or the number of bytes transmitted
RodColeman 0:8f5825f330b0 97 */
RodColeman 0:8f5825f330b0 98 int /*if < 0 : TCPSocketErr*/ send(const char* buf, int len);
RodColeman 0:8f5825f330b0 99
RodColeman 0:8f5825f330b0 100 ///Receives data
RodColeman 0:8f5825f330b0 101 /*
RodColeman 0:8f5825f330b0 102 @return a negative error code or the number of bytes received
RodColeman 0:8f5825f330b0 103 */
RodColeman 0:8f5825f330b0 104 int /*if < 0 : TCPSocketErr*/ recv(char* buf, int len);
RodColeman 0:8f5825f330b0 105
RodColeman 0:8f5825f330b0 106 /* TODO NTH : printf / scanf helpers that call send/recv */
RodColeman 0:8f5825f330b0 107
RodColeman 0:8f5825f330b0 108 ///Closes socket
RodColeman 0:8f5825f330b0 109 TCPSocketErr close();
RodColeman 0:8f5825f330b0 110
RodColeman 0:8f5825f330b0 111 //Callbacks
RodColeman 0:8f5825f330b0 112 ///Setups callback
RodColeman 0:8f5825f330b0 113 /**
RodColeman 0:8f5825f330b0 114 @param pMethod : callback function
RodColeman 0:8f5825f330b0 115 */
RodColeman 0:8f5825f330b0 116 void setOnEvent( void (*pMethod)(TCPSocketEvent) );
RodColeman 0:8f5825f330b0 117
RodColeman 0:8f5825f330b0 118 class CDummy;
RodColeman 0:8f5825f330b0 119 ///Setups callback
RodColeman 0:8f5825f330b0 120 /**
RodColeman 0:8f5825f330b0 121 @param pItem : instance of class on which to execute the callback method
RodColeman 0:8f5825f330b0 122 @param pMethod : callback method
RodColeman 0:8f5825f330b0 123 */
RodColeman 0:8f5825f330b0 124 template<class T>
RodColeman 0:8f5825f330b0 125 void setOnEvent( T* pItem, void (T::*pMethod)(TCPSocketEvent) )
RodColeman 0:8f5825f330b0 126 {
RodColeman 0:8f5825f330b0 127 m_pCbItem = (CDummy*) pItem;
RodColeman 0:8f5825f330b0 128 m_pCbMeth = (void (CDummy::*)(TCPSocketEvent)) pMethod;
RodColeman 0:8f5825f330b0 129 }
RodColeman 0:8f5825f330b0 130
RodColeman 0:8f5825f330b0 131 ///Disables callback
RodColeman 0:8f5825f330b0 132 void resetOnEvent();
RodColeman 0:8f5825f330b0 133
RodColeman 0:8f5825f330b0 134 protected:
RodColeman 0:8f5825f330b0 135 void onNetTcpSocketEvent(NetTcpSocketEvent e);
RodColeman 0:8f5825f330b0 136 TCPSocketErr checkInst();
RodColeman 0:8f5825f330b0 137
RodColeman 0:8f5825f330b0 138 private:
RodColeman 0:8f5825f330b0 139 NetTcpSocket* m_pNetTcpSocket;
RodColeman 0:8f5825f330b0 140
RodColeman 0:8f5825f330b0 141 CDummy* m_pCbItem;
RodColeman 0:8f5825f330b0 142 void (CDummy::*m_pCbMeth)(TCPSocketEvent);
RodColeman 0:8f5825f330b0 143
RodColeman 0:8f5825f330b0 144 void (*m_pCb)(TCPSocketEvent);
RodColeman 0:8f5825f330b0 145
RodColeman 0:8f5825f330b0 146 };
RodColeman 0:8f5825f330b0 147
RodColeman 0:8f5825f330b0 148 #endif