Rod Coleman / NetServices

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

if/net/nettcpsocket.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 #ifndef NETTCPSOCKET_H
RodColeman 0:8f5825f330b0 25 #define NETTCPSOCKET_H
RodColeman 0:8f5825f330b0 26
RodColeman 0:8f5825f330b0 27 #include "net.h"
RodColeman 0:8f5825f330b0 28 #include "host.h"
RodColeman 0:8f5825f330b0 29
RodColeman 0:8f5825f330b0 30 #include <queue>
RodColeman 0:8f5825f330b0 31 using std::queue;
RodColeman 0:8f5825f330b0 32
RodColeman 0:8f5825f330b0 33 //Implements a Berkeley-like socket if
RodColeman 0:8f5825f330b0 34 //Can be interfaced either to lwip or a Telit module
RodColeman 0:8f5825f330b0 35
RodColeman 0:8f5825f330b0 36 enum NetTcpSocketErr
RodColeman 0:8f5825f330b0 37 {
RodColeman 0:8f5825f330b0 38 __NETTCPSOCKET_MIN = -0xFFFF,
RodColeman 0:8f5825f330b0 39 NETTCPSOCKET_SETUP, //NetTcpSocket not properly configured
RodColeman 0:8f5825f330b0 40 NETTCPSOCKET_TIMEOUT,
RodColeman 0:8f5825f330b0 41 NETTCPSOCKET_IF, //If has problems
RodColeman 0:8f5825f330b0 42 NETTCPSOCKET_MEM, //Not enough mem
RodColeman 0:8f5825f330b0 43 NETTCPSOCKET_INUSE, //If/Port is in use
RodColeman 0:8f5825f330b0 44 NETTCPSOCKET_EMPTY, //Connections queue is empty
RodColeman 0:8f5825f330b0 45 NETTCPSOCKET_RST, // Connection was reset by remote host
RodColeman 0:8f5825f330b0 46 //...
RodColeman 0:8f5825f330b0 47 NETTCPSOCKET_OK = 0
RodColeman 0:8f5825f330b0 48 };
RodColeman 0:8f5825f330b0 49
RodColeman 0:8f5825f330b0 50 enum NetTcpSocketEvent
RodColeman 0:8f5825f330b0 51 {
RodColeman 0:8f5825f330b0 52 NETTCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
RodColeman 0:8f5825f330b0 53 NETTCPSOCKET_ACCEPT, //Connected to client
RodColeman 0:8f5825f330b0 54 NETTCPSOCKET_READABLE, //Data in buf
RodColeman 0:8f5825f330b0 55 NETTCPSOCKET_WRITEABLE, //Can write data to buf
RodColeman 0:8f5825f330b0 56 NETTCPSOCKET_CONTIMEOUT,
RodColeman 0:8f5825f330b0 57 NETTCPSOCKET_CONRST,
RodColeman 0:8f5825f330b0 58 NETTCPSOCKET_CONABRT,
RodColeman 0:8f5825f330b0 59 NETTCPSOCKET_ERROR,
RodColeman 0:8f5825f330b0 60 NETTCPSOCKET_DISCONNECTED
RodColeman 0:8f5825f330b0 61 };
RodColeman 0:8f5825f330b0 62
RodColeman 0:8f5825f330b0 63
RodColeman 0:8f5825f330b0 64 class NetTcpSocket
RodColeman 0:8f5825f330b0 65 {
RodColeman 0:8f5825f330b0 66 public:
RodColeman 0:8f5825f330b0 67 NetTcpSocket();
RodColeman 0:8f5825f330b0 68 virtual ~NetTcpSocket(); //close()
RodColeman 0:8f5825f330b0 69
RodColeman 0:8f5825f330b0 70 virtual NetTcpSocketErr bind(const Host& me) = 0;
RodColeman 0:8f5825f330b0 71 virtual NetTcpSocketErr listen() = 0;
RodColeman 0:8f5825f330b0 72 virtual NetTcpSocketErr connect(const Host& host) = 0;
RodColeman 0:8f5825f330b0 73 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket) = 0;
RodColeman 0:8f5825f330b0 74
RodColeman 0:8f5825f330b0 75 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len) = 0;
RodColeman 0:8f5825f330b0 76 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len) = 0;
RodColeman 0:8f5825f330b0 77
RodColeman 0:8f5825f330b0 78 virtual NetTcpSocketErr close() = 0;
RodColeman 0:8f5825f330b0 79
RodColeman 0:8f5825f330b0 80 virtual NetTcpSocketErr poll() = 0;
RodColeman 0:8f5825f330b0 81
RodColeman 0:8f5825f330b0 82 class CDummy;
RodColeman 0:8f5825f330b0 83 //Callbacks
RodColeman 0:8f5825f330b0 84 template<class T>
RodColeman 0:8f5825f330b0 85 //Linker bug : Must be defined here :(
RodColeman 0:8f5825f330b0 86 void setOnEvent( T* pItem, void (T::*pMethod)(NetTcpSocketEvent) )
RodColeman 0:8f5825f330b0 87 {
RodColeman 0:8f5825f330b0 88 m_pCbItem = (CDummy*) pItem;
RodColeman 0:8f5825f330b0 89 m_pCbMeth = (void (CDummy::*)(NetTcpSocketEvent)) pMethod;
RodColeman 0:8f5825f330b0 90 }
RodColeman 0:8f5825f330b0 91
RodColeman 0:8f5825f330b0 92 void resetOnEvent(); //Disable callback
RodColeman 0:8f5825f330b0 93
RodColeman 0:8f5825f330b0 94 protected:
RodColeman 0:8f5825f330b0 95 void queueEvent(NetTcpSocketEvent e);
RodColeman 0:8f5825f330b0 96 void discardEvents();
RodColeman 0:8f5825f330b0 97 void flushEvents(); //to be called during polling
RodColeman 0:8f5825f330b0 98
RodColeman 0:8f5825f330b0 99 Host m_host;
RodColeman 0:8f5825f330b0 100 Host m_client;
RodColeman 0:8f5825f330b0 101
RodColeman 0:8f5825f330b0 102 friend class Net;
RodColeman 0:8f5825f330b0 103 int m_refs;
RodColeman 0:8f5825f330b0 104
RodColeman 0:8f5825f330b0 105 bool m_closed;
RodColeman 0:8f5825f330b0 106 bool m_removed;
RodColeman 0:8f5825f330b0 107
RodColeman 0:8f5825f330b0 108 private:
RodColeman 0:8f5825f330b0 109 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
RodColeman 0:8f5825f330b0 110 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
RodColeman 0:8f5825f330b0 111 void onEvent(NetTcpSocketEvent e); //To be called on poll
RodColeman 0:8f5825f330b0 112 CDummy* m_pCbItem;
RodColeman 0:8f5825f330b0 113 void (CDummy::*m_pCbMeth)(NetTcpSocketEvent);
RodColeman 0:8f5825f330b0 114 queue<NetTcpSocketEvent> m_events;
RodColeman 0:8f5825f330b0 115
RodColeman 0:8f5825f330b0 116 };
RodColeman 0:8f5825f330b0 117
RodColeman 0:8f5825f330b0 118 #endif