Rod Coleman / NetServSB2

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

api/UDPSocket.cpp@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 #include "UDPSocket.h"
RodColeman 0:850eacf3e945 25 #include "if/net/netudpsocket.h"
RodColeman 0:850eacf3e945 26
RodColeman 0:850eacf3e945 27 UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
RodColeman 0:850eacf3e945 28 {
RodColeman 0:850eacf3e945 29
RodColeman 0:850eacf3e945 30 }
RodColeman 0:850eacf3e945 31
RodColeman 0:850eacf3e945 32 UDPSocket::~UDPSocket() //close()
RodColeman 0:850eacf3e945 33 {
RodColeman 0:850eacf3e945 34 close();
RodColeman 0:850eacf3e945 35 }
RodColeman 0:850eacf3e945 36
RodColeman 0:850eacf3e945 37 UDPSocketErr UDPSocket::bind(const Host& me)
RodColeman 0:850eacf3e945 38 {
RodColeman 0:850eacf3e945 39 UDPSocketErr udpSocketErr = checkInst();
RodColeman 0:850eacf3e945 40 if(udpSocketErr)
RodColeman 0:850eacf3e945 41 return udpSocketErr;
RodColeman 0:850eacf3e945 42 return (UDPSocketErr) m_pNetUdpSocket->bind(me);
RodColeman 0:850eacf3e945 43 }
RodColeman 0:850eacf3e945 44
RodColeman 0:850eacf3e945 45 int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
RodColeman 0:850eacf3e945 46 {
RodColeman 0:850eacf3e945 47 UDPSocketErr udpSocketErr = checkInst();
RodColeman 0:850eacf3e945 48 if(udpSocketErr)
RodColeman 0:850eacf3e945 49 return udpSocketErr;
RodColeman 0:850eacf3e945 50 return m_pNetUdpSocket->sendto(buf, len, pHost);
RodColeman 0:850eacf3e945 51 }
RodColeman 0:850eacf3e945 52
RodColeman 0:850eacf3e945 53 int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
RodColeman 0:850eacf3e945 54 {
RodColeman 0:850eacf3e945 55 UDPSocketErr udpSocketErr = checkInst();
RodColeman 0:850eacf3e945 56 if(udpSocketErr)
RodColeman 0:850eacf3e945 57 return udpSocketErr;
RodColeman 0:850eacf3e945 58 return m_pNetUdpSocket->recvfrom(buf, len, pHost);
RodColeman 0:850eacf3e945 59 }
RodColeman 0:850eacf3e945 60
RodColeman 0:850eacf3e945 61 UDPSocketErr UDPSocket::close()
RodColeman 0:850eacf3e945 62 {
RodColeman 0:850eacf3e945 63 if(!m_pNetUdpSocket)
RodColeman 0:850eacf3e945 64 return UDPSOCKET_SETUP;
RodColeman 0:850eacf3e945 65 m_pNetUdpSocket->resetOnEvent();
RodColeman 0:850eacf3e945 66 UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
RodColeman 0:850eacf3e945 67 Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
RodColeman 0:850eacf3e945 68 m_pNetUdpSocket = NULL;
RodColeman 0:850eacf3e945 69 return udpSocketErr;
RodColeman 0:850eacf3e945 70 }
RodColeman 0:850eacf3e945 71
RodColeman 0:850eacf3e945 72 //Callbacks
RodColeman 0:850eacf3e945 73 void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
RodColeman 0:850eacf3e945 74 {
RodColeman 0:850eacf3e945 75 m_pCb = pMethod;
RodColeman 0:850eacf3e945 76 }
RodColeman 0:850eacf3e945 77
RodColeman 0:850eacf3e945 78 #if 0 //For info only
RodColeman 0:850eacf3e945 79 template<class T>
RodColeman 0:850eacf3e945 80 void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
RodColeman 0:850eacf3e945 81 {
RodColeman 0:850eacf3e945 82 m_pCbItem = (CDummy*) pItem;
RodColeman 0:850eacf3e945 83 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
RodColeman 0:850eacf3e945 84 }
RodColeman 0:850eacf3e945 85 #endif
RodColeman 0:850eacf3e945 86
RodColeman 0:850eacf3e945 87 void UDPSocket::resetOnEvent() //Disable callback
RodColeman 0:850eacf3e945 88 {
RodColeman 0:850eacf3e945 89 m_pCb = NULL;
RodColeman 0:850eacf3e945 90 m_pCbItem = NULL;
RodColeman 0:850eacf3e945 91 m_pCbMeth = NULL;
RodColeman 0:850eacf3e945 92 }
RodColeman 0:850eacf3e945 93
RodColeman 0:850eacf3e945 94 void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
RodColeman 0:850eacf3e945 95 {
RodColeman 0:850eacf3e945 96 if(m_pCbItem && m_pCbMeth)
RodColeman 0:850eacf3e945 97 (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
RodColeman 0:850eacf3e945 98 else if(m_pCb)
RodColeman 0:850eacf3e945 99 m_pCb((UDPSocketEvent) e);
RodColeman 0:850eacf3e945 100 }
RodColeman 0:850eacf3e945 101
RodColeman 0:850eacf3e945 102 UDPSocketErr UDPSocket::checkInst()
RodColeman 0:850eacf3e945 103 {
RodColeman 0:850eacf3e945 104 if(!m_pNetUdpSocket)
RodColeman 0:850eacf3e945 105 {
RodColeman 0:850eacf3e945 106 m_pNetUdpSocket = Net::udpSocket();
RodColeman 0:850eacf3e945 107 if(!m_pNetUdpSocket)
RodColeman 0:850eacf3e945 108 {
RodColeman 0:850eacf3e945 109 return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
RodColeman 0:850eacf3e945 110 }
RodColeman 0:850eacf3e945 111 m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
RodColeman 0:850eacf3e945 112 }
RodColeman 0:850eacf3e945 113 return UDPSOCKET_OK;
RodColeman 0:850eacf3e945 114 }