Rod Coleman / NetServices

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

if/net/netudpsocket.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 NETUDPSOCKET_H
RodColeman 0:8f5825f330b0 25 #define NETUDPSOCKET_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 NetUdpSocketErr
RodColeman 0:8f5825f330b0 37 {
RodColeman 0:8f5825f330b0 38 __NETUDPSOCKET_MIN = -0xFFFF,
RodColeman 0:8f5825f330b0 39 NETUDPSOCKET_SETUP, //NetUdpSocket not properly configured
RodColeman 0:8f5825f330b0 40 NETUDPSOCKET_IF, //If has problems
RodColeman 0:8f5825f330b0 41 NETUDPSOCKET_MEM, //Not enough mem
RodColeman 0:8f5825f330b0 42 NETUDPSOCKET_INUSE, //If/Port is in use
RodColeman 0:8f5825f330b0 43 //...
RodColeman 0:8f5825f330b0 44 NETUDPSOCKET_OK = 0
RodColeman 0:8f5825f330b0 45 };
RodColeman 0:8f5825f330b0 46
RodColeman 0:8f5825f330b0 47 enum NetUdpSocketEvent //Only one lonely event here... but who knows, maybe some day there'll be another one!
RodColeman 0:8f5825f330b0 48 {
RodColeman 0:8f5825f330b0 49 NETUDPSOCKET_READABLE, //Data in buf
RodColeman 0:8f5825f330b0 50 };
RodColeman 0:8f5825f330b0 51
RodColeman 0:8f5825f330b0 52
RodColeman 0:8f5825f330b0 53 class NetUdpSocket
RodColeman 0:8f5825f330b0 54 {
RodColeman 0:8f5825f330b0 55 public:
RodColeman 0:8f5825f330b0 56 NetUdpSocket();
RodColeman 0:8f5825f330b0 57 virtual ~NetUdpSocket(); //close()
RodColeman 0:8f5825f330b0 58
RodColeman 0:8f5825f330b0 59 virtual NetUdpSocketErr bind(const Host& me) = 0;
RodColeman 0:8f5825f330b0 60
RodColeman 0:8f5825f330b0 61 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost) = 0;
RodColeman 0:8f5825f330b0 62 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost) = 0;
RodColeman 0:8f5825f330b0 63
RodColeman 0:8f5825f330b0 64 /* TODO NTH : printf / scanf helpers that call send/recv */
RodColeman 0:8f5825f330b0 65
RodColeman 0:8f5825f330b0 66 virtual NetUdpSocketErr close() = 0;
RodColeman 0:8f5825f330b0 67
RodColeman 0:8f5825f330b0 68 virtual NetUdpSocketErr poll() = 0;
RodColeman 0:8f5825f330b0 69
RodColeman 0:8f5825f330b0 70 class CDummy;
RodColeman 0:8f5825f330b0 71 //Callbacks
RodColeman 0:8f5825f330b0 72 template<class T>
RodColeman 0:8f5825f330b0 73 //Linker bug : Must be defined here :(
RodColeman 0:8f5825f330b0 74 void setOnEvent( T* pItem, void (T::*pMethod)(NetUdpSocketEvent) )
RodColeman 0:8f5825f330b0 75 {
RodColeman 0:8f5825f330b0 76 m_pCbItem = (CDummy*) pItem;
RodColeman 0:8f5825f330b0 77 m_pCbMeth = (void (CDummy::*)(NetUdpSocketEvent)) pMethod;
RodColeman 0:8f5825f330b0 78 }
RodColeman 0:8f5825f330b0 79
RodColeman 0:8f5825f330b0 80 void resetOnEvent(); //Disable callback
RodColeman 0:8f5825f330b0 81
RodColeman 0:8f5825f330b0 82 protected:
RodColeman 0:8f5825f330b0 83 void queueEvent(NetUdpSocketEvent e);
RodColeman 0:8f5825f330b0 84 void discardEvents();
RodColeman 0:8f5825f330b0 85 void flushEvents(); //to be called during polling
RodColeman 0:8f5825f330b0 86
RodColeman 0:8f5825f330b0 87 Host m_host;
RodColeman 0:8f5825f330b0 88 Host m_client;
RodColeman 0:8f5825f330b0 89
RodColeman 0:8f5825f330b0 90 friend class Net;
RodColeman 0:8f5825f330b0 91 int m_refs;
RodColeman 0:8f5825f330b0 92
RodColeman 0:8f5825f330b0 93 bool m_closed;
RodColeman 0:8f5825f330b0 94 bool m_removed;
RodColeman 0:8f5825f330b0 95
RodColeman 0:8f5825f330b0 96 private:
RodColeman 0:8f5825f330b0 97 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
RodColeman 0:8f5825f330b0 98 //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 99 void onEvent(NetUdpSocketEvent e); //To be called on poll
RodColeman 0:8f5825f330b0 100 CDummy* m_pCbItem;
RodColeman 0:8f5825f330b0 101 void (CDummy::*m_pCbMeth)(NetUdpSocketEvent);
RodColeman 0:8f5825f330b0 102 queue<NetUdpSocketEvent> m_events;
RodColeman 0:8f5825f330b0 103
RodColeman 0:8f5825f330b0 104 };
RodColeman 0:8f5825f330b0 105
RodColeman 0:8f5825f330b0 106 #endif