SNMP agent attached to SPI slave

Dependencies:   mbed

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 #include "UDPSocket.h"
lorcansmith 0:2a53a4c3238c 25 #include "if/net/netudpsocket.h"
lorcansmith 0:2a53a4c3238c 26
lorcansmith 0:2a53a4c3238c 27 UDPSocket::UDPSocket() : m_pNetUdpSocket(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
lorcansmith 0:2a53a4c3238c 28 {
lorcansmith 0:2a53a4c3238c 29
lorcansmith 0:2a53a4c3238c 30 }
lorcansmith 0:2a53a4c3238c 31
lorcansmith 0:2a53a4c3238c 32 UDPSocket::~UDPSocket() //close()
lorcansmith 0:2a53a4c3238c 33 {
lorcansmith 0:2a53a4c3238c 34 close();
lorcansmith 0:2a53a4c3238c 35 }
lorcansmith 0:2a53a4c3238c 36
lorcansmith 0:2a53a4c3238c 37 UDPSocketErr UDPSocket::bind(const Host& me)
lorcansmith 0:2a53a4c3238c 38 {
lorcansmith 0:2a53a4c3238c 39 UDPSocketErr udpSocketErr = checkInst();
lorcansmith 0:2a53a4c3238c 40 if(udpSocketErr)
lorcansmith 0:2a53a4c3238c 41 return udpSocketErr;
lorcansmith 0:2a53a4c3238c 42 return (UDPSocketErr) m_pNetUdpSocket->bind(me);
lorcansmith 0:2a53a4c3238c 43 }
lorcansmith 0:2a53a4c3238c 44
lorcansmith 0:2a53a4c3238c 45 int /*if < 0 : UDPSocketErr*/ UDPSocket::sendto(const char* buf, int len, Host* pHost)
lorcansmith 0:2a53a4c3238c 46 {
lorcansmith 0:2a53a4c3238c 47 UDPSocketErr udpSocketErr = checkInst();
lorcansmith 0:2a53a4c3238c 48 if(udpSocketErr)
lorcansmith 0:2a53a4c3238c 49 return udpSocketErr;
lorcansmith 0:2a53a4c3238c 50 return m_pNetUdpSocket->sendto(buf, len, pHost);
lorcansmith 0:2a53a4c3238c 51 }
lorcansmith 0:2a53a4c3238c 52
lorcansmith 0:2a53a4c3238c 53 int /*if < 0 : UDPSocketErr*/ UDPSocket::recvfrom(char* buf, int len, Host* pHost)
lorcansmith 0:2a53a4c3238c 54 {
lorcansmith 0:2a53a4c3238c 55 UDPSocketErr udpSocketErr = checkInst();
lorcansmith 0:2a53a4c3238c 56 if(udpSocketErr)
lorcansmith 0:2a53a4c3238c 57 return udpSocketErr;
lorcansmith 0:2a53a4c3238c 58 return m_pNetUdpSocket->recvfrom(buf, len, pHost);
lorcansmith 0:2a53a4c3238c 59 }
lorcansmith 0:2a53a4c3238c 60
lorcansmith 0:2a53a4c3238c 61 UDPSocketErr UDPSocket::close()
lorcansmith 0:2a53a4c3238c 62 {
lorcansmith 0:2a53a4c3238c 63 if(!m_pNetUdpSocket)
lorcansmith 0:2a53a4c3238c 64 return UDPSOCKET_SETUP;
lorcansmith 0:2a53a4c3238c 65 m_pNetUdpSocket->resetOnEvent();
lorcansmith 0:2a53a4c3238c 66 UDPSocketErr udpSocketErr = (UDPSocketErr) m_pNetUdpSocket->close(); //Close (can already be closed)
lorcansmith 0:2a53a4c3238c 67 Net::releaseUdpSocket(m_pNetUdpSocket); //And release it so it can be freed when properly removed
lorcansmith 0:2a53a4c3238c 68 m_pNetUdpSocket = NULL;
lorcansmith 0:2a53a4c3238c 69 return udpSocketErr;
lorcansmith 0:2a53a4c3238c 70 }
lorcansmith 0:2a53a4c3238c 71
lorcansmith 0:2a53a4c3238c 72 //Callbacks
lorcansmith 0:2a53a4c3238c 73 void UDPSocket::setOnEvent( void (*pMethod)(UDPSocketEvent) )
lorcansmith 0:2a53a4c3238c 74 {
lorcansmith 0:2a53a4c3238c 75 m_pCb = pMethod;
lorcansmith 0:2a53a4c3238c 76 }
lorcansmith 0:2a53a4c3238c 77
lorcansmith 0:2a53a4c3238c 78 #if 0 //For info only
lorcansmith 0:2a53a4c3238c 79 template<class T>
lorcansmith 0:2a53a4c3238c 80 void UDPSocket::setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
lorcansmith 0:2a53a4c3238c 81 {
lorcansmith 0:2a53a4c3238c 82 m_pCbItem = (CDummy*) pItem;
lorcansmith 0:2a53a4c3238c 83 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
lorcansmith 0:2a53a4c3238c 84 }
lorcansmith 0:2a53a4c3238c 85 #endif
lorcansmith 0:2a53a4c3238c 86
lorcansmith 0:2a53a4c3238c 87 void UDPSocket::resetOnEvent() //Disable callback
lorcansmith 0:2a53a4c3238c 88 {
lorcansmith 0:2a53a4c3238c 89 m_pCb = NULL;
lorcansmith 0:2a53a4c3238c 90 m_pCbItem = NULL;
lorcansmith 0:2a53a4c3238c 91 m_pCbMeth = NULL;
lorcansmith 0:2a53a4c3238c 92 }
lorcansmith 0:2a53a4c3238c 93
lorcansmith 0:2a53a4c3238c 94 void UDPSocket::onNetUdpSocketEvent(NetUdpSocketEvent e)
lorcansmith 0:2a53a4c3238c 95 {
lorcansmith 0:2a53a4c3238c 96 if(m_pCbItem && m_pCbMeth)
lorcansmith 0:2a53a4c3238c 97 (m_pCbItem->*m_pCbMeth)((UDPSocketEvent) e);
lorcansmith 0:2a53a4c3238c 98 else if(m_pCb)
lorcansmith 0:2a53a4c3238c 99 m_pCb((UDPSocketEvent) e);
lorcansmith 0:2a53a4c3238c 100 }
lorcansmith 0:2a53a4c3238c 101
lorcansmith 0:2a53a4c3238c 102 UDPSocketErr UDPSocket::checkInst()
lorcansmith 0:2a53a4c3238c 103 {
lorcansmith 0:2a53a4c3238c 104 if(!m_pNetUdpSocket)
lorcansmith 0:2a53a4c3238c 105 {
lorcansmith 0:2a53a4c3238c 106 m_pNetUdpSocket = Net::udpSocket();
lorcansmith 0:2a53a4c3238c 107 if(!m_pNetUdpSocket)
lorcansmith 0:2a53a4c3238c 108 {
lorcansmith 0:2a53a4c3238c 109 return UDPSOCKET_IF; //Interface did not return a socket (usually because a default interface does not exist)
lorcansmith 0:2a53a4c3238c 110 }
lorcansmith 0:2a53a4c3238c 111 m_pNetUdpSocket->setOnEvent(this, &UDPSocket::onNetUdpSocketEvent);
lorcansmith 0:2a53a4c3238c 112 }
lorcansmith 0:2a53a4c3238c 113 return UDPSOCKET_OK;
lorcansmith 0:2a53a4c3238c 114 }