Rik Van Dyck / Mbed 2 deprecated Project_Embedded_C

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Dependencies:   mbed DS1307 Servo TextLCD

NetServices/api/UDPSocket.cpp@2:55b6fd49b738, 2014-12-18 (annotated)

Committer:
rikvandyck
Date:
Thu Dec 18 10:43:07 2014 +0000
Revision:
2:55b6fd49b738
Parent:
0:e1edd52b1ee2 
Project_Embedded_C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rikvandyck 0:e1edd52b1ee2 1
rikvandyck 0:e1edd52b1ee2 2 /*
rikvandyck 0:e1edd52b1ee2 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
rikvandyck 0:e1edd52b1ee2 4
rikvandyck 0:e1edd52b1ee2 5 Permission is hereby granted, free of charge, to any person obtaining a copy
rikvandyck 0:e1edd52b1ee2 6 of this software and associated documentation files (the "Software"), to deal
rikvandyck 0:e1edd52b1ee2 7 in the Software without restriction, including without limitation the rights
rikvandyck 0:e1edd52b1ee2 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
rikvandyck 0:e1edd52b1ee2 9 copies of the Software, and to permit persons to whom the Software is
rikvandyck 0:e1edd52b1ee2 10 furnished to do so, subject to the following conditions:
rikvandyck 0:e1edd52b1ee2 11
rikvandyck 0:e1edd52b1ee2 12 The above copyright notice and this permission notice shall be included in
rikvandyck 0:e1edd52b1ee2 13 all copies or substantial portions of the Software.
rikvandyck 0:e1edd52b1ee2 14
rikvandyck 0:e1edd52b1ee2 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
rikvandyck 0:e1edd52b1ee2 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
rikvandyck 0:e1edd52b1ee2 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
rikvandyck 0:e1edd52b1ee2 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
rikvandyck 0:e1edd52b1ee2 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
rikvandyck 0:e1edd52b1ee2 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
rikvandyck 0:e1edd52b1ee2 21 THE SOFTWARE.
rikvandyck 0:e1edd52b1ee2 22 */
rikvandyck 0:e1edd52b1ee2 23
rikvandyck 0:e1edd52b1ee2 24 #include "UDPSocket.h"
rikvandyck 0:e1edd52b1ee2 25 #include "if/net/netudpsocket.h"
rikvandyck 0:e1edd52b1ee2 26
rikvandyck 0:e1edd52b1ee2 27 UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
rikvandyck 0:e1edd52b1ee2 28 {
rikvandyck 0:e1edd52b1ee2 29
rikvandyck 0:e1edd52b1ee2 30 }
rikvandyck 0:e1edd52b1ee2 31
rikvandyck 0:e1edd52b1ee2 32 UDPSocket::~UDPSocket() //close()
rikvandyck 0:e1edd52b1ee2 33 {
rikvandyck 0:e1edd52b1ee2 34 close();
rikvandyck 0:e1edd52b1ee2 35 }
rikvandyck 0:e1edd52b1ee2 36
rikvandyck 0:e1edd52b1ee2 37 UDPSocketErr UDPSocket::bind(const Host& me)
rikvandyck 0:e1edd52b1ee2 38 {
rikvandyck 0:e1edd52b1ee2 39 UDPSocketErr udpSocketErr = checkInst();
rikvandyck 0:e1edd52b1ee2 40 if(udpSocketErr)
rikvandyck 0:e1edd52b1ee2 41 return udpSocketErr;
rikvandyck 0:e1edd52b1ee2 42 return (UDPSocketErr) m_pNetUdpSocket->bind(me);
rikvandyck 0:e1edd52b1ee2 43 }
rikvandyck 0:e1edd52b1ee2 44
rikvandyck 0:e1edd52b1ee2 45 int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
rikvandyck 0:e1edd52b1ee2 46 {
rikvandyck 0:e1edd52b1ee2 47 UDPSocketErr udpSocketErr = checkInst();
rikvandyck 0:e1edd52b1ee2 48 if(udpSocketErr)
rikvandyck 0:e1edd52b1ee2 49 return udpSocketErr;
rikvandyck 0:e1edd52b1ee2 50 return m_pNetUdpSocket->sendto(buf, len, pHost);
rikvandyck 0:e1edd52b1ee2 51 }
rikvandyck 0:e1edd52b1ee2 52
rikvandyck 0:e1edd52b1ee2 53 int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
rikvandyck 0:e1edd52b1ee2 54 {
rikvandyck 0:e1edd52b1ee2 55 UDPSocketErr udpSocketErr = checkInst();
rikvandyck 0:e1edd52b1ee2 56 if(udpSocketErr)
rikvandyck 0:e1edd52b1ee2 57 return udpSocketErr;
rikvandyck 0:e1edd52b1ee2 58 return m_pNetUdpSocket->recvfrom(buf, len, pHost);
rikvandyck 0:e1edd52b1ee2 59 }
rikvandyck 0:e1edd52b1ee2 60
rikvandyck 0:e1edd52b1ee2 61 UDPSocketErr UDPSocket::close()
rikvandyck 0:e1edd52b1ee2 62 {
rikvandyck 0:e1edd52b1ee2 63 if(!m_pNetUdpSocket)
rikvandyck 0:e1edd52b1ee2 64 return UDPSOCKET_SETUP;
rikvandyck 0:e1edd52b1ee2 65 m_pNetUdpSocket->resetOnEvent();
rikvandyck 0:e1edd52b1ee2 66 UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
rikvandyck 0:e1edd52b1ee2 67 Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
rikvandyck 0:e1edd52b1ee2 68 m_pNetUdpSocket = NULL;
rikvandyck 0:e1edd52b1ee2 69 return udpSocketErr;
rikvandyck 0:e1edd52b1ee2 70 }
rikvandyck 0:e1edd52b1ee2 71
rikvandyck 0:e1edd52b1ee2 72 //Callbacks
rikvandyck 0:e1edd52b1ee2 73 void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
rikvandyck 0:e1edd52b1ee2 74 {
rikvandyck 0:e1edd52b1ee2 75 m_pCb = pMethod;
rikvandyck 0:e1edd52b1ee2 76 }
rikvandyck 0:e1edd52b1ee2 77
rikvandyck 0:e1edd52b1ee2 78 #if 0 //For info only
rikvandyck 0:e1edd52b1ee2 79 template<class T>
rikvandyck 0:e1edd52b1ee2 80 void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
rikvandyck 0:e1edd52b1ee2 81 {
rikvandyck 0:e1edd52b1ee2 82 m_pCbItem = (CDummy*) pItem;
rikvandyck 0:e1edd52b1ee2 83 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
rikvandyck 0:e1edd52b1ee2 84 }
rikvandyck 0:e1edd52b1ee2 85 #endif
rikvandyck 0:e1edd52b1ee2 86
rikvandyck 0:e1edd52b1ee2 87 void UDPSocket::resetOnEvent() //Disable callback
rikvandyck 0:e1edd52b1ee2 88 {
rikvandyck 0:e1edd52b1ee2 89 m_pCb = NULL;
rikvandyck 0:e1edd52b1ee2 90 m_pCbItem = NULL;
rikvandyck 0:e1edd52b1ee2 91 m_pCbMeth = NULL;
rikvandyck 0:e1edd52b1ee2 92 }
rikvandyck 0:e1edd52b1ee2 93
rikvandyck 0:e1edd52b1ee2 94 void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
rikvandyck 0:e1edd52b1ee2 95 {
rikvandyck 0:e1edd52b1ee2 96 if(m_pCbItem && m_pCbMeth)
rikvandyck 0:e1edd52b1ee2 97 (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
rikvandyck 0:e1edd52b1ee2 98 else if(m_pCb)
rikvandyck 0:e1edd52b1ee2 99 m_pCb((UDPSocketEvent) e);
rikvandyck 0:e1edd52b1ee2 100 }
rikvandyck 0:e1edd52b1ee2 101
rikvandyck 0:e1edd52b1ee2 102 UDPSocketErr UDPSocket::checkInst()
rikvandyck 0:e1edd52b1ee2 103 {
rikvandyck 0:e1edd52b1ee2 104 if(!m_pNetUdpSocket)
rikvandyck 0:e1edd52b1ee2 105 {
rikvandyck 0:e1edd52b1ee2 106 m_pNetUdpSocket = Net::udpSocket();
rikvandyck 0:e1edd52b1ee2 107 if(!m_pNetUdpSocket)
rikvandyck 0:e1edd52b1ee2 108 {
rikvandyck 0:e1edd52b1ee2 109 return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
rikvandyck 0:e1edd52b1ee2 110 }
rikvandyck 0:e1edd52b1ee2 111 m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
rikvandyck 0:e1edd52b1ee2 112 }
rikvandyck 0:e1edd52b1ee2 113 return UDPSOCKET_OK;
rikvandyck 0:e1edd52b1ee2 114 }