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Dependencies:   NTPClient_NetServices mbed

NetServices/if/net/netudpsocket.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 #ifndef NETUDPSOCKET_H
hendrikvincent 0:05ccbd4f84f1 25 #define NETUDPSOCKET_H
hendrikvincent 0:05ccbd4f84f1 26
hendrikvincent 0:05ccbd4f84f1 27 #include "net.h"
hendrikvincent 0:05ccbd4f84f1 28 #include "host.h"
hendrikvincent 0:05ccbd4f84f1 29
hendrikvincent 0:05ccbd4f84f1 30 #include <queue>
hendrikvincent 0:05ccbd4f84f1 31 using std::queue;
hendrikvincent 0:05ccbd4f84f1 32
hendrikvincent 0:05ccbd4f84f1 33 //Implements a Berkeley-like socket if
hendrikvincent 0:05ccbd4f84f1 34 //Can be interfaced either to lwip or a Telit module
hendrikvincent 0:05ccbd4f84f1 35
hendrikvincent 0:05ccbd4f84f1 36 enum NetUdpSocketErr
hendrikvincent 0:05ccbd4f84f1 37 {
hendrikvincent 0:05ccbd4f84f1 38 __NETUDPSOCKET_MIN = -0xFFFF,
hendrikvincent 0:05ccbd4f84f1 39 NETUDPSOCKET_SETUP, //NetUdpSocket not properly configured
hendrikvincent 0:05ccbd4f84f1 40 NETUDPSOCKET_IF, //If has problems
hendrikvincent 0:05ccbd4f84f1 41 NETUDPSOCKET_MEM, //Not enough mem
hendrikvincent 0:05ccbd4f84f1 42 NETUDPSOCKET_INUSE, //If/Port is in use
hendrikvincent 0:05ccbd4f84f1 43 //...
hendrikvincent 0:05ccbd4f84f1 44 NETUDPSOCKET_OK = 0
hendrikvincent 0:05ccbd4f84f1 45 };
hendrikvincent 0:05ccbd4f84f1 46
hendrikvincent 0:05ccbd4f84f1 47 enum NetUdpSocketEvent //Only one lonely event here... but who knows, maybe some day there'll be another one!
hendrikvincent 0:05ccbd4f84f1 48 {
hendrikvincent 0:05ccbd4f84f1 49 NETUDPSOCKET_READABLE, //Data in buf
hendrikvincent 0:05ccbd4f84f1 50 };
hendrikvincent 0:05ccbd4f84f1 51
hendrikvincent 0:05ccbd4f84f1 52
hendrikvincent 0:05ccbd4f84f1 53 class NetUdpSocket
hendrikvincent 0:05ccbd4f84f1 54 {
hendrikvincent 0:05ccbd4f84f1 55 public:
hendrikvincent 0:05ccbd4f84f1 56 NetUdpSocket();
hendrikvincent 0:05ccbd4f84f1 57 virtual ~NetUdpSocket(); //close()
hendrikvincent 0:05ccbd4f84f1 58
hendrikvincent 0:05ccbd4f84f1 59 virtual NetUdpSocketErr bind(const Host& me) = 0;
hendrikvincent 0:05ccbd4f84f1 60
hendrikvincent 0:05ccbd4f84f1 61 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost) = 0;
hendrikvincent 0:05ccbd4f84f1 62 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost) = 0;
hendrikvincent 0:05ccbd4f84f1 63
hendrikvincent 0:05ccbd4f84f1 64 /* TODO NTH : printf / scanf helpers that call send/recv */
hendrikvincent 0:05ccbd4f84f1 65
hendrikvincent 0:05ccbd4f84f1 66 virtual NetUdpSocketErr close() = 0;
hendrikvincent 0:05ccbd4f84f1 67
hendrikvincent 0:05ccbd4f84f1 68 virtual NetUdpSocketErr poll() = 0;
hendrikvincent 0:05ccbd4f84f1 69
hendrikvincent 0:05ccbd4f84f1 70 class CDummy;
hendrikvincent 0:05ccbd4f84f1 71 //Callbacks
hendrikvincent 0:05ccbd4f84f1 72 template<class T>
hendrikvincent 0:05ccbd4f84f1 73 //Linker bug : Must be defined here :(
hendrikvincent 0:05ccbd4f84f1 74 void setOnEvent( T* pItem, void (T::*pMethod)(NetUdpSocketEvent) )
hendrikvincent 0:05ccbd4f84f1 75 {
hendrikvincent 0:05ccbd4f84f1 76 m_pCbItem = (CDummy*) pItem;
hendrikvincent 0:05ccbd4f84f1 77 m_pCbMeth = (void (CDummy::*)(NetUdpSocketEvent)) pMethod;
hendrikvincent 0:05ccbd4f84f1 78 }
hendrikvincent 0:05ccbd4f84f1 79
hendrikvincent 0:05ccbd4f84f1 80 void resetOnEvent(); //Disable callback
hendrikvincent 0:05ccbd4f84f1 81
hendrikvincent 0:05ccbd4f84f1 82 protected:
hendrikvincent 0:05ccbd4f84f1 83 void queueEvent(NetUdpSocketEvent e);
hendrikvincent 0:05ccbd4f84f1 84 void discardEvents();
hendrikvincent 0:05ccbd4f84f1 85 void flushEvents(); //to be called during polling
hendrikvincent 0:05ccbd4f84f1 86
hendrikvincent 0:05ccbd4f84f1 87 Host m_host;
hendrikvincent 0:05ccbd4f84f1 88 Host m_client;
hendrikvincent 0:05ccbd4f84f1 89
hendrikvincent 0:05ccbd4f84f1 90 friend class Net;
hendrikvincent 0:05ccbd4f84f1 91 int m_refs;
hendrikvincent 0:05ccbd4f84f1 92
hendrikvincent 0:05ccbd4f84f1 93 bool m_closed;
hendrikvincent 0:05ccbd4f84f1 94 bool m_removed;
hendrikvincent 0:05ccbd4f84f1 95
hendrikvincent 0:05ccbd4f84f1 96 private:
hendrikvincent 0:05ccbd4f84f1 97 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
hendrikvincent 0:05ccbd4f84f1 98 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
hendrikvincent 0:05ccbd4f84f1 99 void onEvent(NetUdpSocketEvent e); //To be called on poll
hendrikvincent 0:05ccbd4f84f1 100 CDummy* m_pCbItem;
hendrikvincent 0:05ccbd4f84f1 101 void (CDummy::*m_pCbMeth)(NetUdpSocketEvent);
hendrikvincent 0:05ccbd4f84f1 102 queue<NetUdpSocketEvent> m_events;
hendrikvincent 0:05ccbd4f84f1 103
hendrikvincent 0:05ccbd4f84f1 104 };
hendrikvincent 0:05ccbd4f84f1 105
hendrikvincent 0:05ccbd4f84f1 106 #endif