Donatien Garnier / ZG2100NetIf
Committer:
donatien
Date:
Fri Aug 06 10:42:05 2010 +0000
Revision:
3:e02ec42cf9c8
Parent:
0:0f5a52711275

        

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donatien 0:0f5a52711275 1
donatien 0:0f5a52711275 2 /*
donatien 0:0f5a52711275 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
donatien 0:0f5a52711275 4
donatien 0:0f5a52711275 5 Permission is hereby granted, free of charge, to any person obtaining a copy
donatien 0:0f5a52711275 6 of this software and associated documentation files (the "Software"), to deal
donatien 0:0f5a52711275 7 in the Software without restriction, including without limitation the rights
donatien 0:0f5a52711275 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
donatien 0:0f5a52711275 9 copies of the Software, and to permit persons to whom the Software is
donatien 0:0f5a52711275 10 furnished to do so, subject to the following conditions:
donatien 0:0f5a52711275 11
donatien 0:0f5a52711275 12 The above copyright notice and this permission notice shall be included in
donatien 0:0f5a52711275 13 all copies or substantial portions of the Software.
donatien 0:0f5a52711275 14
donatien 0:0f5a52711275 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 0:0f5a52711275 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 0:0f5a52711275 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 0:0f5a52711275 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 0:0f5a52711275 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 0:0f5a52711275 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
donatien 0:0f5a52711275 21 THE SOFTWARE.
donatien 0:0f5a52711275 22 */
donatien 0:0f5a52711275 23
donatien 3:e02ec42cf9c8 24 /** \file
donatien 3:e02ec42cf9c8 25 UDP Socket header file
donatien 3:e02ec42cf9c8 26 */
donatien 3:e02ec42cf9c8 27
donatien 0:0f5a52711275 28 #ifndef UDPSOCKET_H
donatien 0:0f5a52711275 29 #define UDPSOCKET_H
donatien 0:0f5a52711275 30
donatien 3:e02ec42cf9c8 31 #include "core/net.h"
donatien 3:e02ec42cf9c8 32 #include "core/host.h"
donatien 0:0f5a52711275 33 //Essentially it is a safe interface to NetUdpSocket
donatien 0:0f5a52711275 34
donatien 3:e02ec42cf9c8 35 ///UDP Socket error codes
donatien 0:0f5a52711275 36 enum UDPSocketErr
donatien 0:0f5a52711275 37 {
donatien 0:0f5a52711275 38 __UDPSOCKET_MIN = -0xFFFF,
donatien 3:e02ec42cf9c8 39 UDPSOCKET_SETUP, ///<UDPSocket not properly configured
donatien 3:e02ec42cf9c8 40 UDPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
donatien 3:e02ec42cf9c8 41 UDPSOCKET_MEM, ///<Not enough mem
donatien 3:e02ec42cf9c8 42 UDPSOCKET_INUSE, ///<Interface / Port is in use
donatien 0:0f5a52711275 43 //...
donatien 3:e02ec42cf9c8 44 UDPSOCKET_OK = 0 ///<Success
donatien 0:0f5a52711275 45 };
donatien 0:0f5a52711275 46
donatien 3:e02ec42cf9c8 47 ///UDP Socket Event(s)
donatien 3:e02ec42cf9c8 48 enum UDPSocketEvent //Only one event here for now, but keeps that model in case we need to implement some others
donatien 0:0f5a52711275 49 {
donatien 3:e02ec42cf9c8 50 UDPSOCKET_READABLE, ///<Data in buf
donatien 0:0f5a52711275 51 };
donatien 0:0f5a52711275 52
donatien 3:e02ec42cf9c8 53 class NetUdpSocket;
donatien 3:e02ec42cf9c8 54 enum NetUdpSocketEvent;
donatien 0:0f5a52711275 55
donatien 3:e02ec42cf9c8 56 ///This is a simple UDP Socket class
donatien 3:e02ec42cf9c8 57 /**
donatien 3:e02ec42cf9c8 58 This class exposes an API to deal with UDP Sockets
donatien 3:e02ec42cf9c8 59 */
donatien 0:0f5a52711275 60 class UDPSocket
donatien 0:0f5a52711275 61 {
donatien 0:0f5a52711275 62 public:
donatien 3:e02ec42cf9c8 63 ///Creates a new socket
donatien 0:0f5a52711275 64 UDPSocket();
donatien 3:e02ec42cf9c8 65
donatien 3:e02ec42cf9c8 66 ///Closes and destroys socket
donatien 0:0f5a52711275 67 ~UDPSocket(); //close()
donatien 0:0f5a52711275 68
donatien 3:e02ec42cf9c8 69 ///Binds the socket to local host or a multicast address
donatien 0:0f5a52711275 70 UDPSocketErr bind(const Host& me);
donatien 0:0f5a52711275 71
donatien 3:e02ec42cf9c8 72 ///Sends data
donatien 3:e02ec42cf9c8 73 /*
donatien 3:e02ec42cf9c8 74 @param pHost : host to send data to
donatien 3:e02ec42cf9c8 75 @return a negative error code or the number of bytes transmitted
donatien 3:e02ec42cf9c8 76 */
donatien 0:0f5a52711275 77 int /*if < 0 : UDPSocketErr*/ sendto(const char* buf, int len, Host* pHost);
donatien 3:e02ec42cf9c8 78
donatien 3:e02ec42cf9c8 79 ///Receives data
donatien 3:e02ec42cf9c8 80 /*
donatien 3:e02ec42cf9c8 81 @param pHost : host from which this piece of data comes from
donatien 3:e02ec42cf9c8 82 @return a negative error code or the number of bytes received
donatien 3:e02ec42cf9c8 83 */
donatien 0:0f5a52711275 84 int /*if < 0 : UDPSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
donatien 0:0f5a52711275 85
donatien 0:0f5a52711275 86 /* TODO NTH : printf / scanf helpers that call send/recv */
donatien 0:0f5a52711275 87
donatien 3:e02ec42cf9c8 88 ///Closes socket
donatien 0:0f5a52711275 89 UDPSocketErr close();
donatien 0:0f5a52711275 90
donatien 3:e02ec42cf9c8 91 //Callbacks
donatien 3:e02ec42cf9c8 92 ///Setups callback
donatien 3:e02ec42cf9c8 93 /**
donatien 3:e02ec42cf9c8 94 @param pMethod : callback function
donatien 3:e02ec42cf9c8 95 */
donatien 3:e02ec42cf9c8 96 void setOnEvent( void (*pMethod)(UDPSocketEvent) );
donatien 3:e02ec42cf9c8 97
donatien 0:0f5a52711275 98 class CDummy;
donatien 3:e02ec42cf9c8 99 ///Setups callback
donatien 3:e02ec42cf9c8 100 /**
donatien 3:e02ec42cf9c8 101 @param pItem : instance of class on which to execute the callback method
donatien 3:e02ec42cf9c8 102 @param pMethod : callback method
donatien 3:e02ec42cf9c8 103 */
donatien 0:0f5a52711275 104 template<class T>
donatien 0:0f5a52711275 105 void setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
donatien 0:0f5a52711275 106 {
donatien 0:0f5a52711275 107 m_pCbItem = (CDummy*) pItem;
donatien 0:0f5a52711275 108 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
donatien 0:0f5a52711275 109 }
donatien 0:0f5a52711275 110
donatien 3:e02ec42cf9c8 111 ///Disables callback
donatien 3:e02ec42cf9c8 112 void resetOnEvent();
donatien 0:0f5a52711275 113
donatien 0:0f5a52711275 114 protected:
donatien 0:0f5a52711275 115 void onNetUdpSocketEvent(NetUdpSocketEvent e);
donatien 0:0f5a52711275 116 UDPSocketErr checkInst();
donatien 0:0f5a52711275 117
donatien 0:0f5a52711275 118 private:
donatien 0:0f5a52711275 119 NetUdpSocket* m_pNetUdpSocket;
donatien 0:0f5a52711275 120
donatien 0:0f5a52711275 121 CDummy* m_pCbItem;
donatien 0:0f5a52711275 122 void (CDummy::*m_pCbMeth)(UDPSocketEvent);
donatien 0:0f5a52711275 123
donatien 0:0f5a52711275 124 void (*m_pCb)(UDPSocketEvent);
donatien 0:0f5a52711275 125
donatien 0:0f5a52711275 126 };
donatien 0:0f5a52711275 127
donatien 0:0f5a52711275 128 #endif