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save loops
Diff: EthernetNetIf/LPC2368/api/UDPSocket.h
- Revision:
- 0:df6fdd9b99f0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf/LPC2368/api/UDPSocket.h Tue Dec 02 04:39:15 2014 +0000 @@ -0,0 +1,128 @@ + +/* +Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +/** \file +UDP Socket header file +*/ + +#ifndef UDPSOCKET_H +#define UDPSOCKET_H + +#include "core/net.h" +#include "core/host.h" +//Essentially it is a safe interface to NetUdpSocket + +///UDP Socket error codes +enum UDPSocketErr +{ + __UDPSOCKET_MIN = -0xFFFF, + UDPSOCKET_SETUP, ///<UDPSocket not properly configured + UDPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized + UDPSOCKET_MEM, ///<Not enough mem + UDPSOCKET_INUSE, ///<Interface / Port is in use +//... + UDPSOCKET_OK = 0 ///<Success +}; + +///UDP Socket Event(s) +enum UDPSocketEvent //Only one event here for now, but keeps that model in case we need to implement some others +{ + UDPSOCKET_READABLE, ///<Data in buf +}; + +class NetUdpSocket; +enum NetUdpSocketEvent; + +///This is a simple UDP Socket class +/** + This class exposes an API to deal with UDP Sockets +*/ +class UDPSocket +{ +public: + ///Creates a new socket + UDPSocket(); + + ///Closes and destroys socket + ~UDPSocket(); //close() + + ///Binds the socket to local host or a multicast address + UDPSocketErr bind(const Host& me); + + ///Sends data + /* + @param pHost : host to send data to + @return a negative error code or the number of bytes transmitted + */ + int /*if < 0 : UDPSocketErr*/ sendto(const char* buf, int len, Host* pHost); + + ///Receives data + /* + @param pHost : host from which this piece of data comes from + @return a negative error code or the number of bytes received + */ + int /*if < 0 : UDPSocketErr*/ recvfrom(char* buf, int len, Host* pHost); + + /* TODO NTH : printf / scanf helpers that call send/recv */ + + ///Closes socket + UDPSocketErr close(); + + //Callbacks + ///Setups callback + /** + @param pMethod : callback function + */ + void setOnEvent( void (*pMethod)(UDPSocketEvent) ); + + class CDummy; + ///Setups callback + /** + @param pItem : instance of class on which to execute the callback method + @param pMethod : callback method + */ + template<class T> + void setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) ) + { + m_pCbItem = (CDummy*) pItem; + m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod; + } + + ///Disables callback + void resetOnEvent(); + +protected: + void onNetUdpSocketEvent(NetUdpSocketEvent e); + UDPSocketErr checkInst(); + +private: + NetUdpSocket* m_pNetUdpSocket; + + CDummy* m_pCbItem; + void (CDummy::*m_pCbMeth)(UDPSocketEvent); + + void (*m_pCb)(UDPSocketEvent); + +}; + +#endif