Hendrik Vincent / Mbed 2 deprecated Weerstation

Leest de waarde van een sensor binnen een maakt deze beschikbaar via internet

Dependencies:   NTPClient_NetServices mbed

NetServices/api/UDPSocket.h@0:05ccbd4f84f1, 2013-12-02 (annotated)

Committer:
hendrikvincent
Date:
Mon Dec 02 09:01:23 2013 +0000
Revision:
0:05ccbd4f84f1
eerste programma;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hendrikvincent 0:05ccbd4f84f1 1
hendrikvincent 0:05ccbd4f84f1 2 /*
hendrikvincent 0:05ccbd4f84f1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hendrikvincent 0:05ccbd4f84f1 4
hendrikvincent 0:05ccbd4f84f1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hendrikvincent 0:05ccbd4f84f1 6 of this software and associated documentation files (the "Software"), to deal
hendrikvincent 0:05ccbd4f84f1 7 in the Software without restriction, including without limitation the rights
hendrikvincent 0:05ccbd4f84f1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hendrikvincent 0:05ccbd4f84f1 9 copies of the Software, and to permit persons to whom the Software is
hendrikvincent 0:05ccbd4f84f1 10 furnished to do so, subject to the following conditions:
hendrikvincent 0:05ccbd4f84f1 11
hendrikvincent 0:05ccbd4f84f1 12 The above copyright notice and this permission notice shall be included in
hendrikvincent 0:05ccbd4f84f1 13 all copies or substantial portions of the Software.
hendrikvincent 0:05ccbd4f84f1 14
hendrikvincent 0:05ccbd4f84f1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hendrikvincent 0:05ccbd4f84f1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hendrikvincent 0:05ccbd4f84f1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hendrikvincent 0:05ccbd4f84f1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hendrikvincent 0:05ccbd4f84f1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hendrikvincent 0:05ccbd4f84f1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hendrikvincent 0:05ccbd4f84f1 21 THE SOFTWARE.
hendrikvincent 0:05ccbd4f84f1 22 */
hendrikvincent 0:05ccbd4f84f1 23
hendrikvincent 0:05ccbd4f84f1 24 /** \file
hendrikvincent 0:05ccbd4f84f1 25 UDP Socket header file
hendrikvincent 0:05ccbd4f84f1 26 */
hendrikvincent 0:05ccbd4f84f1 27
hendrikvincent 0:05ccbd4f84f1 28 #ifndef UDPSOCKET_H
hendrikvincent 0:05ccbd4f84f1 29 #define UDPSOCKET_H
hendrikvincent 0:05ccbd4f84f1 30
hendrikvincent 0:05ccbd4f84f1 31 #include "core/net.h"
hendrikvincent 0:05ccbd4f84f1 32 #include "core/host.h"
hendrikvincent 0:05ccbd4f84f1 33 //Essentially it is a safe interface to NetUdpSocket
hendrikvincent 0:05ccbd4f84f1 34
hendrikvincent 0:05ccbd4f84f1 35 ///UDP Socket error codes
hendrikvincent 0:05ccbd4f84f1 36 enum UDPSocketErr
hendrikvincent 0:05ccbd4f84f1 37 {
hendrikvincent 0:05ccbd4f84f1 38 __UDPSOCKET_MIN = -0xFFFF,
hendrikvincent 0:05ccbd4f84f1 39 UDPSOCKET_SETUP, ///<UDPSocket not properly configured
hendrikvincent 0:05ccbd4f84f1 40 UDPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized
hendrikvincent 0:05ccbd4f84f1 41 UDPSOCKET_MEM, ///<Not enough mem
hendrikvincent 0:05ccbd4f84f1 42 UDPSOCKET_INUSE, ///<Interface / Port is in use
hendrikvincent 0:05ccbd4f84f1 43 //...
hendrikvincent 0:05ccbd4f84f1 44 UDPSOCKET_OK = 0 ///<Success
hendrikvincent 0:05ccbd4f84f1 45 };
hendrikvincent 0:05ccbd4f84f1 46
hendrikvincent 0:05ccbd4f84f1 47 ///UDP Socket Event(s)
hendrikvincent 0:05ccbd4f84f1 48 enum UDPSocketEvent //Only one event here for now, but keeps that model in case we need to implement some others
hendrikvincent 0:05ccbd4f84f1 49 {
hendrikvincent 0:05ccbd4f84f1 50 UDPSOCKET_READABLE, ///<Data in buf
hendrikvincent 0:05ccbd4f84f1 51 };
hendrikvincent 0:05ccbd4f84f1 52
hendrikvincent 0:05ccbd4f84f1 53 class NetUdpSocket;
hendrikvincent 0:05ccbd4f84f1 54 enum NetUdpSocketEvent;
hendrikvincent 0:05ccbd4f84f1 55
hendrikvincent 0:05ccbd4f84f1 56 ///This is a simple UDP Socket class
hendrikvincent 0:05ccbd4f84f1 57 /**
hendrikvincent 0:05ccbd4f84f1 58 This class exposes an API to deal with UDP Sockets
hendrikvincent 0:05ccbd4f84f1 59 */
hendrikvincent 0:05ccbd4f84f1 60 class UDPSocket
hendrikvincent 0:05ccbd4f84f1 61 {
hendrikvincent 0:05ccbd4f84f1 62 public:
hendrikvincent 0:05ccbd4f84f1 63 ///Creates a new socket
hendrikvincent 0:05ccbd4f84f1 64 UDPSocket();
hendrikvincent 0:05ccbd4f84f1 65
hendrikvincent 0:05ccbd4f84f1 66 ///Closes and destroys socket
hendrikvincent 0:05ccbd4f84f1 67 ~UDPSocket(); //close()
hendrikvincent 0:05ccbd4f84f1 68
hendrikvincent 0:05ccbd4f84f1 69 ///Binds the socket to local host or a multicast address
hendrikvincent 0:05ccbd4f84f1 70 UDPSocketErr bind(const Host& me);
hendrikvincent 0:05ccbd4f84f1 71
hendrikvincent 0:05ccbd4f84f1 72 ///Sends data
hendrikvincent 0:05ccbd4f84f1 73 /*
hendrikvincent 0:05ccbd4f84f1 74 @param pHost : host to send data to
hendrikvincent 0:05ccbd4f84f1 75 @return a negative error code or the number of bytes transmitted
hendrikvincent 0:05ccbd4f84f1 76 */
hendrikvincent 0:05ccbd4f84f1 77 int /*if < 0 : UDPSocketErr*/ sendto(const char* buf, int len, Host* pHost);
hendrikvincent 0:05ccbd4f84f1 78
hendrikvincent 0:05ccbd4f84f1 79 ///Receives data
hendrikvincent 0:05ccbd4f84f1 80 /*
hendrikvincent 0:05ccbd4f84f1 81 @param pHost : host from which this piece of data comes from
hendrikvincent 0:05ccbd4f84f1 82 @return a negative error code or the number of bytes received
hendrikvincent 0:05ccbd4f84f1 83 */
hendrikvincent 0:05ccbd4f84f1 84 int /*if < 0 : UDPSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
hendrikvincent 0:05ccbd4f84f1 85
hendrikvincent 0:05ccbd4f84f1 86 /* TODO NTH : printf / scanf helpers that call send/recv */
hendrikvincent 0:05ccbd4f84f1 87
hendrikvincent 0:05ccbd4f84f1 88 ///Closes socket
hendrikvincent 0:05ccbd4f84f1 89 UDPSocketErr close();
hendrikvincent 0:05ccbd4f84f1 90
hendrikvincent 0:05ccbd4f84f1 91 //Callbacks
hendrikvincent 0:05ccbd4f84f1 92 ///Setups callback
hendrikvincent 0:05ccbd4f84f1 93 /**
hendrikvincent 0:05ccbd4f84f1 94 @param pMethod : callback function
hendrikvincent 0:05ccbd4f84f1 95 */
hendrikvincent 0:05ccbd4f84f1 96 void setOnEvent( void (*pMethod)(UDPSocketEvent) );
hendrikvincent 0:05ccbd4f84f1 97
hendrikvincent 0:05ccbd4f84f1 98 class CDummy;
hendrikvincent 0:05ccbd4f84f1 99 ///Setups callback
hendrikvincent 0:05ccbd4f84f1 100 /**
hendrikvincent 0:05ccbd4f84f1 101 @param pItem : instance of class on which to execute the callback method
hendrikvincent 0:05ccbd4f84f1 102 @param pMethod : callback method
hendrikvincent 0:05ccbd4f84f1 103 */
hendrikvincent 0:05ccbd4f84f1 104 template<class T>
hendrikvincent 0:05ccbd4f84f1 105 void setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) )
hendrikvincent 0:05ccbd4f84f1 106 {
hendrikvincent 0:05ccbd4f84f1 107 m_pCbItem = (CDummy*) pItem;
hendrikvincent 0:05ccbd4f84f1 108 m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod;
hendrikvincent 0:05ccbd4f84f1 109 }
hendrikvincent 0:05ccbd4f84f1 110
hendrikvincent 0:05ccbd4f84f1 111 ///Disables callback
hendrikvincent 0:05ccbd4f84f1 112 void resetOnEvent();
hendrikvincent 0:05ccbd4f84f1 113
hendrikvincent 0:05ccbd4f84f1 114 protected:
hendrikvincent 0:05ccbd4f84f1 115 void onNetUdpSocketEvent(NetUdpSocketEvent e);
hendrikvincent 0:05ccbd4f84f1 116 UDPSocketErr checkInst();
hendrikvincent 0:05ccbd4f84f1 117
hendrikvincent 0:05ccbd4f84f1 118 private:
hendrikvincent 0:05ccbd4f84f1 119 NetUdpSocket* m_pNetUdpSocket;
hendrikvincent 0:05ccbd4f84f1 120
hendrikvincent 0:05ccbd4f84f1 121 CDummy* m_pCbItem;
hendrikvincent 0:05ccbd4f84f1 122 void (CDummy::*m_pCbMeth)(UDPSocketEvent);
hendrikvincent 0:05ccbd4f84f1 123
hendrikvincent 0:05ccbd4f84f1 124 void (*m_pCb)(UDPSocketEvent);
hendrikvincent 0:05ccbd4f84f1 125
hendrikvincent 0:05ccbd4f84f1 126 };
hendrikvincent 0:05ccbd4f84f1 127
hendrikvincent 0:05ccbd4f84f1 128 #endif