Rod Coleman / NetServSB2

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

api/UDPSocket.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 /** \file
RodColeman 0:850eacf3e945 25 UDP Socket header file
RodColeman 0:850eacf3e945 26 */
RodColeman 0:850eacf3e945 27
RodColeman 0:850eacf3e945 28 #ifndef UDPSOCKET_H
RodColeman 0:850eacf3e945 29 #define UDPSOCKET_H
RodColeman 0:850eacf3e945 30
RodColeman 0:850eacf3e945 31 #include "core/net.h"
RodColeman 0:850eacf3e945 32 #include "core/host.h"
RodColeman 0:850eacf3e945 33 //Essentially it is a safe interface to NetUdpSocket
RodColeman 0:850eacf3e945 34
RodColeman 0:850eacf3e945 35 ///UDP Socket error codes
RodColeman 0:850eacf3e945 36 enum UDPSocketErr
RodColeman 0:850eacf3e945 37 {
RodColeman 0:850eacf3e945 38 __UDPSOCKET_MIN = -0xFFFF,
RodColeman 0:850eacf3e945 39 UDPSOCKET_SETUP, ///<UDPSocket not properly configured
RodColeman 0:850eacf3e945 40 UDPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
RodColeman 0:850eacf3e945 41 UDPSOCKET_MEM, ///<Not enough mem
RodColeman 0:850eacf3e945 42 UDPSOCKET_INUSE, ///<Interface / Port is in use
RodColeman 0:850eacf3e945 43 //...
RodColeman 0:850eacf3e945 44 UDPSOCKET_OK = 0 ///<Success
RodColeman 0:850eacf3e945 45 };
RodColeman 0:850eacf3e945 46
RodColeman 0:850eacf3e945 47 ///UDP Socket Event(s)
RodColeman 0:850eacf3e945 48 enum UDPSocketEvent //Only one event here for now, but keeps that model in case we need to implement some others
RodColeman 0:850eacf3e945 49 {
RodColeman 0:850eacf3e945 50 UDPSOCKET_READABLE, ///<Data in buf
RodColeman 0:850eacf3e945 51 };
RodColeman 0:850eacf3e945 52
RodColeman 0:850eacf3e945 53 class NetUdpSocket;
RodColeman 0:850eacf3e945 54 enum NetUdpSocketEvent;
RodColeman 0:850eacf3e945 55
RodColeman 0:850eacf3e945 56 ///This is a simple UDP Socket class
RodColeman 0:850eacf3e945 57 /**
RodColeman 0:850eacf3e945 58 This class exposes an API to deal with UDP Sockets
RodColeman 0:850eacf3e945 59 */
RodColeman 0:850eacf3e945 60 class UDPSocket
RodColeman 0:850eacf3e945 61 {
RodColeman 0:850eacf3e945 62 public:
RodColeman 0:850eacf3e945 63 ///Creates a new socket
RodColeman 0:850eacf3e945 64 UDPSocket();
RodColeman 0:850eacf3e945 65
RodColeman 0:850eacf3e945 66 ///Closes and destroys socket
RodColeman 0:850eacf3e945 67 ~UDPSocket(); //close()
RodColeman 0:850eacf3e945 68
RodColeman 0:850eacf3e945 69 ///Binds the socket to local host or a multicast address
RodColeman 0:850eacf3e945 70 UDPSocketErr bind(const Host& me);
RodColeman 0:850eacf3e945 71
RodColeman 0:850eacf3e945 72 ///Sends data
RodColeman 0:850eacf3e945 73 /*
RodColeman 0:850eacf3e945 74 @param pHost : host to send data to
RodColeman 0:850eacf3e945 75 @return a negative error code or the number of bytes transmitted
RodColeman 0:850eacf3e945 76 */
RodColeman 0:850eacf3e945 77 int /*if < 0 : UDPSocketErr*/ sendto(const char* buf, int len, Host* pHost);
RodColeman 0:850eacf3e945 78
RodColeman 0:850eacf3e945 79 ///Receives data
RodColeman 0:850eacf3e945 80 /*
RodColeman 0:850eacf3e945 81 @param pHost : host from which this piece of data comes from
RodColeman 0:850eacf3e945 82 @return a negative error code or the number of bytes received
RodColeman 0:850eacf3e945 83 */
RodColeman 0:850eacf3e945 84 int /*if < 0 : UDPSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
RodColeman 0:850eacf3e945 85
RodColeman 0:850eacf3e945 86 /* TODO NTH : printf / scanf helpers that call send/recv */
RodColeman 0:850eacf3e945 87
RodColeman 0:850eacf3e945 88 ///Closes socket
RodColeman 0:850eacf3e945 89 UDPSocketErr close();
RodColeman 0:850eacf3e945 90
RodColeman 0:850eacf3e945 91 //Callbacks
RodColeman 0:850eacf3e945 92 ///Setups callback
RodColeman 0:850eacf3e945 93 /**
RodColeman 0:850eacf3e945 94 @param pMethod : callback function
RodColeman 0:850eacf3e945 95 */
RodColeman 0:850eacf3e945 96 void setOnEvent( void (*pMethod)(UDPSocketEvent) );
RodColeman 0:850eacf3e945 97
RodColeman 0:850eacf3e945 98 class CDummy;
RodColeman 0:850eacf3e945 99 ///Setups callback
RodColeman 0:850eacf3e945 100 /**
RodColeman 0:850eacf3e945 101 @param pItem : instance of class on which to execute the callback method
RodColeman 0:850eacf3e945 102 @param pMethod : callback method
RodColeman 0:850eacf3e945 103 */
RodColeman 0:850eacf3e945 104 template<class T>
RodColeman 0:850eacf3e945 105 void setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
RodColeman 0:850eacf3e945 106 {
RodColeman 0:850eacf3e945 107 m_pCbItem = (CDummy*) pItem;
RodColeman 0:850eacf3e945 108 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
RodColeman 0:850eacf3e945 109 }
RodColeman 0:850eacf3e945 110
RodColeman 0:850eacf3e945 111 ///Disables callback
RodColeman 0:850eacf3e945 112 void resetOnEvent();
RodColeman 0:850eacf3e945 113
RodColeman 0:850eacf3e945 114 protected:
RodColeman 0:850eacf3e945 115 void onNetUdpSocketEvent(NetUdpSocketEvent e);
RodColeman 0:850eacf3e945 116 UDPSocketErr checkInst();
RodColeman 0:850eacf3e945 117
RodColeman 0:850eacf3e945 118 private:
RodColeman 0:850eacf3e945 119 NetUdpSocket* m_pNetUdpSocket;
RodColeman 0:850eacf3e945 120
RodColeman 0:850eacf3e945 121 CDummy* m_pCbItem;
RodColeman 0:850eacf3e945 122 void (CDummy::*m_pCbMeth)(UDPSocketEvent);
RodColeman 0:850eacf3e945 123
RodColeman 0:850eacf3e945 124 void (*m_pCb)(UDPSocketEvent);
RodColeman 0:850eacf3e945 125
RodColeman 0:850eacf3e945 126 };
RodColeman 0:850eacf3e945 127
RodColeman 0:850eacf3e945 128 #endif