Hendrik Lipka / NetServicesMin

Stripped down version of Segundos NetService library (http://mbed.org/users/segundo/libraries/NetServices ). I have removed all NetServices, and all functions which had been disabled. Use this version when you need only pure TCP or UDP functions - this library compiles faster.

Dependencies:   lwip lwip-sys

Dependents:   christmasLights device_server pop3demo device_server_udp ... more

api/UDPSocket.cpp@1:9d93f4dc2f46, 2012-07-18 (annotated)

Committer:
hlipka
Date:
Wed Jul 18 20:28:43 2012 +0000
Revision:
1:9d93f4dc2f46
Parent:
0:8b387bed54c2 
updated to the new mbed library (version 41) and the new LwIP stack. Code is still untested.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hlipka 0:8b387bed54c2 1
hlipka 0:8b387bed54c2 2 /*
hlipka 0:8b387bed54c2 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hlipka 0:8b387bed54c2 4
hlipka 0:8b387bed54c2 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hlipka 0:8b387bed54c2 6 of this software and associated documentation files (the "Software"), to deal
hlipka 0:8b387bed54c2 7 in the Software without restriction, including without limitation the rights
hlipka 0:8b387bed54c2 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hlipka 0:8b387bed54c2 9 copies of the Software, and to permit persons to whom the Software is
hlipka 0:8b387bed54c2 10 furnished to do so, subject to the following conditions:
hlipka 0:8b387bed54c2 11
hlipka 0:8b387bed54c2 12 The above copyright notice and this permission notice shall be included in
hlipka 0:8b387bed54c2 13 all copies or substantial portions of the Software.
hlipka 0:8b387bed54c2 14
hlipka 0:8b387bed54c2 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hlipka 0:8b387bed54c2 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hlipka 0:8b387bed54c2 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hlipka 0:8b387bed54c2 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hlipka 0:8b387bed54c2 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hlipka 0:8b387bed54c2 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hlipka 0:8b387bed54c2 21 THE SOFTWARE.
hlipka 0:8b387bed54c2 22 */
hlipka 0:8b387bed54c2 23
hlipka 0:8b387bed54c2 24 #include "UDPSocket.h"
hlipka 0:8b387bed54c2 25 #include "if/net/netudpsocket.h"
hlipka 0:8b387bed54c2 26
hlipka 0:8b387bed54c2 27 UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
hlipka 0:8b387bed54c2 28 {
hlipka 0:8b387bed54c2 29
hlipka 0:8b387bed54c2 30 }
hlipka 0:8b387bed54c2 31
hlipka 0:8b387bed54c2 32 UDPSocket::~UDPSocket() //close()
hlipka 0:8b387bed54c2 33 {
hlipka 0:8b387bed54c2 34 close();
hlipka 0:8b387bed54c2 35 }
hlipka 0:8b387bed54c2 36
hlipka 0:8b387bed54c2 37 UDPSocketErr UDPSocket::bind(const Host& me)
hlipka 0:8b387bed54c2 38 {
hlipka 0:8b387bed54c2 39 UDPSocketErr udpSocketErr = checkInst();
hlipka 0:8b387bed54c2 40 if(udpSocketErr)
hlipka 0:8b387bed54c2 41 return udpSocketErr;
hlipka 0:8b387bed54c2 42 return (UDPSocketErr) m_pNetUdpSocket->bind(me);
hlipka 0:8b387bed54c2 43 }
hlipka 0:8b387bed54c2 44
hlipka 0:8b387bed54c2 45 int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
hlipka 0:8b387bed54c2 46 {
hlipka 0:8b387bed54c2 47 UDPSocketErr udpSocketErr = checkInst();
hlipka 0:8b387bed54c2 48 if(udpSocketErr)
hlipka 0:8b387bed54c2 49 return udpSocketErr;
hlipka 0:8b387bed54c2 50 return m_pNetUdpSocket->sendto(buf, len, pHost);
hlipka 0:8b387bed54c2 51 }
hlipka 0:8b387bed54c2 52
hlipka 0:8b387bed54c2 53 int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
hlipka 0:8b387bed54c2 54 {
hlipka 0:8b387bed54c2 55 UDPSocketErr udpSocketErr = checkInst();
hlipka 0:8b387bed54c2 56 if(udpSocketErr)
hlipka 0:8b387bed54c2 57 return udpSocketErr;
hlipka 0:8b387bed54c2 58 return m_pNetUdpSocket->recvfrom(buf, len, pHost);
hlipka 0:8b387bed54c2 59 }
hlipka 0:8b387bed54c2 60
hlipka 0:8b387bed54c2 61 UDPSocketErr UDPSocket::close()
hlipka 0:8b387bed54c2 62 {
hlipka 0:8b387bed54c2 63 if(!m_pNetUdpSocket)
hlipka 0:8b387bed54c2 64 return UDPSOCKET_SETUP;
hlipka 0:8b387bed54c2 65 m_pNetUdpSocket->resetOnEvent();
hlipka 0:8b387bed54c2 66 UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
hlipka 0:8b387bed54c2 67 Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
hlipka 0:8b387bed54c2 68 m_pNetUdpSocket = NULL;
hlipka 0:8b387bed54c2 69 return udpSocketErr;
hlipka 0:8b387bed54c2 70 }
hlipka 0:8b387bed54c2 71
hlipka 0:8b387bed54c2 72 //Callbacks
hlipka 0:8b387bed54c2 73 void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
hlipka 0:8b387bed54c2 74 {
hlipka 0:8b387bed54c2 75 m_pCb = pMethod;
hlipka 0:8b387bed54c2 76 }
hlipka 0:8b387bed54c2 77
hlipka 0:8b387bed54c2 78 #if 0 //For info only
hlipka 0:8b387bed54c2 79 template<class T>
hlipka 0:8b387bed54c2 80 void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
hlipka 0:8b387bed54c2 81 {
hlipka 0:8b387bed54c2 82 m_pCbItem = (CDummy*) pItem;
hlipka 0:8b387bed54c2 83 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
hlipka 0:8b387bed54c2 84 }
hlipka 0:8b387bed54c2 85 #endif
hlipka 0:8b387bed54c2 86
hlipka 0:8b387bed54c2 87 void UDPSocket::resetOnEvent() //Disable callback
hlipka 0:8b387bed54c2 88 {
hlipka 0:8b387bed54c2 89 m_pCb = NULL;
hlipka 0:8b387bed54c2 90 m_pCbItem = NULL;
hlipka 0:8b387bed54c2 91 m_pCbMeth = NULL;
hlipka 0:8b387bed54c2 92 }
hlipka 0:8b387bed54c2 93
hlipka 0:8b387bed54c2 94 void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
hlipka 0:8b387bed54c2 95 {
hlipka 0:8b387bed54c2 96 if(m_pCbItem && m_pCbMeth)
hlipka 0:8b387bed54c2 97 (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
hlipka 0:8b387bed54c2 98 else if(m_pCb)
hlipka 0:8b387bed54c2 99 m_pCb((UDPSocketEvent) e);
hlipka 0:8b387bed54c2 100 }
hlipka 0:8b387bed54c2 101
hlipka 0:8b387bed54c2 102 UDPSocketErr UDPSocket::checkInst()
hlipka 0:8b387bed54c2 103 {
hlipka 0:8b387bed54c2 104 if(!m_pNetUdpSocket)
hlipka 0:8b387bed54c2 105 {
hlipka 0:8b387bed54c2 106 m_pNetUdpSocket = Net::udpSocket();
hlipka 0:8b387bed54c2 107 if(!m_pNetUdpSocket)
hlipka 0:8b387bed54c2 108 {
hlipka 0:8b387bed54c2 109 return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
hlipka 0:8b387bed54c2 110 }
hlipka 0:8b387bed54c2 111 m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
hlipka 0:8b387bed54c2 112 }
hlipka 0:8b387bed54c2 113 return UDPSOCKET_OK;
hlipka 0:8b387bed54c2 114 }