Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

if/net/nettcpsocket.h@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #ifndef NETTCPSOCKET_H
simon 0:350011bf8be7 25 #define NETTCPSOCKET_H
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 #include "net.h"
simon 0:350011bf8be7 28 #include "host.h"
simon 0:350011bf8be7 29
simon 0:350011bf8be7 30 #include <queue>
simon 0:350011bf8be7 31 using std::queue;
simon 0:350011bf8be7 32
simon 0:350011bf8be7 33 //Implements a Berkeley-like socket if
simon 0:350011bf8be7 34 //Can be interfaced either to lwip or a Telit module
simon 0:350011bf8be7 35
simon 0:350011bf8be7 36 enum NetTcpSocketErr
simon 0:350011bf8be7 37 {
simon 0:350011bf8be7 38 __NETTCPSOCKET_MIN = -0xFFFF,
simon 0:350011bf8be7 39 NETTCPSOCKET_SETUP, //NetTcpSocket not properly configured
simon 0:350011bf8be7 40 NETTCPSOCKET_TIMEOUT,
simon 0:350011bf8be7 41 NETTCPSOCKET_IF, //If has problems
simon 0:350011bf8be7 42 NETTCPSOCKET_MEM, //Not enough mem
simon 0:350011bf8be7 43 NETTCPSOCKET_INUSE, //If/Port is in use
simon 0:350011bf8be7 44 NETTCPSOCKET_EMPTY, //Connections queue is empty
simon 0:350011bf8be7 45 NETTCPSOCKET_RST, // Connection was reset by remote host
simon 0:350011bf8be7 46 //...
simon 0:350011bf8be7 47 NETTCPSOCKET_OK = 0
simon 0:350011bf8be7 48 };
simon 0:350011bf8be7 49
simon 0:350011bf8be7 50 enum NetTcpSocketEvent
simon 0:350011bf8be7 51 {
simon 0:350011bf8be7 52 NETTCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
simon 0:350011bf8be7 53 NETTCPSOCKET_ACCEPT, //Connected to client
simon 0:350011bf8be7 54 NETTCPSOCKET_READABLE, //Data in buf
simon 0:350011bf8be7 55 NETTCPSOCKET_WRITEABLE, //Can write data to buf
simon 0:350011bf8be7 56 NETTCPSOCKET_CONTIMEOUT,
simon 0:350011bf8be7 57 NETTCPSOCKET_CONRST,
simon 0:350011bf8be7 58 NETTCPSOCKET_CONABRT,
simon 0:350011bf8be7 59 NETTCPSOCKET_ERROR,
simon 0:350011bf8be7 60 NETTCPSOCKET_DISCONNECTED
simon 0:350011bf8be7 61 };
simon 0:350011bf8be7 62
simon 0:350011bf8be7 63
simon 0:350011bf8be7 64 class NetTcpSocket
simon 0:350011bf8be7 65 {
simon 0:350011bf8be7 66 public:
simon 0:350011bf8be7 67 NetTcpSocket();
simon 0:350011bf8be7 68 virtual ~NetTcpSocket(); //close()
simon 0:350011bf8be7 69
simon 0:350011bf8be7 70 virtual NetTcpSocketErr bind(const Host& me) = 0;
simon 0:350011bf8be7 71 virtual NetTcpSocketErr listen() = 0;
simon 0:350011bf8be7 72 virtual NetTcpSocketErr connect(const Host& host) = 0;
simon 0:350011bf8be7 73 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket) = 0;
simon 0:350011bf8be7 74
simon 0:350011bf8be7 75 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len) = 0;
simon 0:350011bf8be7 76 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len) = 0;
simon 0:350011bf8be7 77
simon 0:350011bf8be7 78 virtual NetTcpSocketErr close() = 0;
simon 0:350011bf8be7 79
simon 0:350011bf8be7 80 virtual NetTcpSocketErr poll() = 0;
simon 0:350011bf8be7 81
simon 0:350011bf8be7 82 class CDummy;
simon 0:350011bf8be7 83 //Callbacks
simon 0:350011bf8be7 84 template<class T>
simon 0:350011bf8be7 85 //Linker bug : Must be defined here :(
simon 0:350011bf8be7 86 void setOnEvent( T* pItem, void (T::*pMethod)(NetTcpSocketEvent) )
simon 0:350011bf8be7 87 {
simon 0:350011bf8be7 88 m_pCbItem = (CDummy*) pItem;
simon 0:350011bf8be7 89 m_pCbMeth = (void (CDummy::*)(NetTcpSocketEvent)) pMethod;
simon 0:350011bf8be7 90 }
simon 0:350011bf8be7 91
simon 0:350011bf8be7 92 void resetOnEvent(); //Disable callback
simon 0:350011bf8be7 93
simon 0:350011bf8be7 94 protected:
simon 0:350011bf8be7 95 void queueEvent(NetTcpSocketEvent e);
simon 0:350011bf8be7 96 void discardEvents();
simon 0:350011bf8be7 97 void flushEvents(); //to be called during polling
simon 0:350011bf8be7 98
simon 0:350011bf8be7 99 Host m_host;
simon 0:350011bf8be7 100 Host m_client;
simon 0:350011bf8be7 101
simon 0:350011bf8be7 102 friend class Net;
simon 0:350011bf8be7 103 int m_refs;
simon 0:350011bf8be7 104
simon 0:350011bf8be7 105 bool m_closed;
simon 0:350011bf8be7 106 bool m_removed;
simon 0:350011bf8be7 107
simon 0:350011bf8be7 108 private:
simon 0:350011bf8be7 109 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
simon 0:350011bf8be7 110 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
simon 0:350011bf8be7 111 void onEvent(NetTcpSocketEvent e); //To be called on poll
simon 0:350011bf8be7 112 CDummy* m_pCbItem;
simon 0:350011bf8be7 113 void (CDummy::*m_pCbMeth)(NetTcpSocketEvent);
simon 0:350011bf8be7 114 queue<NetTcpSocketEvent> m_events;
simon 0:350011bf8be7 115
simon 0:350011bf8be7 116 };
simon 0:350011bf8be7 117
simon 0:350011bf8be7 118 #endif