Rod Coleman / NetServSB2

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

if/net/nettcpsocket.h@0:850eacf3e945, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:48:09 2011 +0000
Revision:
0:850eacf3e945
revised fixed length to 178 bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:850eacf3e945 1
RodColeman 0:850eacf3e945 2 /*
RodColeman 0:850eacf3e945 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:850eacf3e945 4
RodColeman 0:850eacf3e945 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:850eacf3e945 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:850eacf3e945 7 in the Software without restriction, including without limitation the rights
RodColeman 0:850eacf3e945 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:850eacf3e945 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:850eacf3e945 10 furnished to do so, subject to the following conditions:
RodColeman 0:850eacf3e945 11
RodColeman 0:850eacf3e945 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:850eacf3e945 13 all copies or substantial portions of the Software.
RodColeman 0:850eacf3e945 14
RodColeman 0:850eacf3e945 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:850eacf3e945 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:850eacf3e945 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:850eacf3e945 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:850eacf3e945 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:850eacf3e945 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:850eacf3e945 21 THE SOFTWARE.
RodColeman 0:850eacf3e945 22 */
RodColeman 0:850eacf3e945 23
RodColeman 0:850eacf3e945 24 #ifndef NETTCPSOCKET_H
RodColeman 0:850eacf3e945 25 #define NETTCPSOCKET_H
RodColeman 0:850eacf3e945 26
RodColeman 0:850eacf3e945 27 #include "net.h"
RodColeman 0:850eacf3e945 28 #include "host.h"
RodColeman 0:850eacf3e945 29
RodColeman 0:850eacf3e945 30 #include <queue>
RodColeman 0:850eacf3e945 31 using std::queue;
RodColeman 0:850eacf3e945 32
RodColeman 0:850eacf3e945 33 //Implements a Berkeley-like socket if
RodColeman 0:850eacf3e945 34 //Can be interfaced either to lwip or a Telit module
RodColeman 0:850eacf3e945 35
RodColeman 0:850eacf3e945 36 enum NetTcpSocketErr
RodColeman 0:850eacf3e945 37 {
RodColeman 0:850eacf3e945 38 __NETTCPSOCKET_MIN = -0xFFFF,
RodColeman 0:850eacf3e945 39 NETTCPSOCKET_SETUP, //NetTcpSocket not properly configured
RodColeman 0:850eacf3e945 40 NETTCPSOCKET_TIMEOUT,
RodColeman 0:850eacf3e945 41 NETTCPSOCKET_IF, //If has problems
RodColeman 0:850eacf3e945 42 NETTCPSOCKET_MEM, //Not enough mem
RodColeman 0:850eacf3e945 43 NETTCPSOCKET_INUSE, //If/Port is in use
RodColeman 0:850eacf3e945 44 NETTCPSOCKET_EMPTY, //Connections queue is empty
RodColeman 0:850eacf3e945 45 NETTCPSOCKET_RST, // Connection was reset by remote host
RodColeman 0:850eacf3e945 46 //...
RodColeman 0:850eacf3e945 47 NETTCPSOCKET_OK = 0
RodColeman 0:850eacf3e945 48 };
RodColeman 0:850eacf3e945 49
RodColeman 0:850eacf3e945 50 enum NetTcpSocketEvent
RodColeman 0:850eacf3e945 51 {
RodColeman 0:850eacf3e945 52 NETTCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
RodColeman 0:850eacf3e945 53 NETTCPSOCKET_ACCEPT, //Connected to client
RodColeman 0:850eacf3e945 54 NETTCPSOCKET_READABLE, //Data in buf
RodColeman 0:850eacf3e945 55 NETTCPSOCKET_WRITEABLE, //Can write data to buf
RodColeman 0:850eacf3e945 56 NETTCPSOCKET_CONTIMEOUT,
RodColeman 0:850eacf3e945 57 NETTCPSOCKET_CONRST,
RodColeman 0:850eacf3e945 58 NETTCPSOCKET_CONABRT,
RodColeman 0:850eacf3e945 59 NETTCPSOCKET_ERROR,
RodColeman 0:850eacf3e945 60 NETTCPSOCKET_DISCONNECTED
RodColeman 0:850eacf3e945 61 };
RodColeman 0:850eacf3e945 62
RodColeman 0:850eacf3e945 63
RodColeman 0:850eacf3e945 64 class NetTcpSocket
RodColeman 0:850eacf3e945 65 {
RodColeman 0:850eacf3e945 66 public:
RodColeman 0:850eacf3e945 67 NetTcpSocket();
RodColeman 0:850eacf3e945 68 virtual ~NetTcpSocket(); //close()
RodColeman 0:850eacf3e945 69
RodColeman 0:850eacf3e945 70 virtual NetTcpSocketErr bind(const Host& me) = 0;
RodColeman 0:850eacf3e945 71 virtual NetTcpSocketErr listen() = 0;
RodColeman 0:850eacf3e945 72 virtual NetTcpSocketErr connect(const Host& host) = 0;
RodColeman 0:850eacf3e945 73 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket) = 0;
RodColeman 0:850eacf3e945 74
RodColeman 0:850eacf3e945 75 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len) = 0;
RodColeman 0:850eacf3e945 76 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len) = 0;
RodColeman 0:850eacf3e945 77
RodColeman 0:850eacf3e945 78 virtual NetTcpSocketErr close() = 0;
RodColeman 0:850eacf3e945 79
RodColeman 0:850eacf3e945 80 virtual NetTcpSocketErr poll() = 0;
RodColeman 0:850eacf3e945 81
RodColeman 0:850eacf3e945 82 class CDummy;
RodColeman 0:850eacf3e945 83 //Callbacks
RodColeman 0:850eacf3e945 84 template<class T>
RodColeman 0:850eacf3e945 85 //Linker bug : Must be defined here :(
RodColeman 0:850eacf3e945 86 void setOnEvent( T* pItem, void (T::*pMethod)(NetTcpSocketEvent) )
RodColeman 0:850eacf3e945 87 {
RodColeman 0:850eacf3e945 88 m_pCbItem = (CDummy*) pItem;
RodColeman 0:850eacf3e945 89 m_pCbMeth = (void (CDummy::*)(NetTcpSocketEvent)) pMethod;
RodColeman 0:850eacf3e945 90 }
RodColeman 0:850eacf3e945 91
RodColeman 0:850eacf3e945 92 void resetOnEvent(); //Disable callback
RodColeman 0:850eacf3e945 93
RodColeman 0:850eacf3e945 94 protected:
RodColeman 0:850eacf3e945 95 void queueEvent(NetTcpSocketEvent e);
RodColeman 0:850eacf3e945 96 void discardEvents();
RodColeman 0:850eacf3e945 97 void flushEvents(); //to be called during polling
RodColeman 0:850eacf3e945 98
RodColeman 0:850eacf3e945 99 Host m_host;
RodColeman 0:850eacf3e945 100 Host m_client;
RodColeman 0:850eacf3e945 101
RodColeman 0:850eacf3e945 102 friend class Net;
RodColeman 0:850eacf3e945 103 int m_refs;
RodColeman 0:850eacf3e945 104
RodColeman 0:850eacf3e945 105 bool m_closed;
RodColeman 0:850eacf3e945 106 bool m_removed;
RodColeman 0:850eacf3e945 107
RodColeman 0:850eacf3e945 108 private:
RodColeman 0:850eacf3e945 109 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
RodColeman 0:850eacf3e945 110 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
RodColeman 0:850eacf3e945 111 void onEvent(NetTcpSocketEvent e); //To be called on poll
RodColeman 0:850eacf3e945 112 CDummy* m_pCbItem;
RodColeman 0:850eacf3e945 113 void (CDummy::*m_pCbMeth)(NetTcpSocketEvent);
RodColeman 0:850eacf3e945 114 queue<NetTcpSocketEvent> m_events;
RodColeman 0:850eacf3e945 115
RodColeman 0:850eacf3e945 116 };
RodColeman 0:850eacf3e945 117
RodColeman 0:850eacf3e945 118 #endif