Hendrik Lipka / NetServicesMin

Stripped down version of Segundos NetService library (http://mbed.org/users/segundo/libraries/NetServices ). I have removed all NetServices, and all functions which had been disabled. Use this version when you need only pure TCP or UDP functions - this library compiles faster.

Dependencies:   lwip lwip-sys

Dependents:   christmasLights device_server pop3demo device_server_udp ... more

if/net/nettcpsocket.h@0:8b387bed54c2, 2011-01-10 (annotated)

Committer:
hlipka
Date:
Mon Jan 10 21:03:11 2011 +0000
Revision:
0:8b387bed54c2
initial version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hlipka 0:8b387bed54c2 1
hlipka 0:8b387bed54c2 2 /*
hlipka 0:8b387bed54c2 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hlipka 0:8b387bed54c2 4
hlipka 0:8b387bed54c2 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hlipka 0:8b387bed54c2 6 of this software and associated documentation files (the "Software"), to deal
hlipka 0:8b387bed54c2 7 in the Software without restriction, including without limitation the rights
hlipka 0:8b387bed54c2 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hlipka 0:8b387bed54c2 9 copies of the Software, and to permit persons to whom the Software is
hlipka 0:8b387bed54c2 10 furnished to do so, subject to the following conditions:
hlipka 0:8b387bed54c2 11
hlipka 0:8b387bed54c2 12 The above copyright notice and this permission notice shall be included in
hlipka 0:8b387bed54c2 13 all copies or substantial portions of the Software.
hlipka 0:8b387bed54c2 14
hlipka 0:8b387bed54c2 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hlipka 0:8b387bed54c2 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hlipka 0:8b387bed54c2 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hlipka 0:8b387bed54c2 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hlipka 0:8b387bed54c2 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hlipka 0:8b387bed54c2 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hlipka 0:8b387bed54c2 21 THE SOFTWARE.
hlipka 0:8b387bed54c2 22 */
hlipka 0:8b387bed54c2 23
hlipka 0:8b387bed54c2 24 #ifndef NETTCPSOCKET_H
hlipka 0:8b387bed54c2 25 #define NETTCPSOCKET_H
hlipka 0:8b387bed54c2 26
hlipka 0:8b387bed54c2 27 #include "net.h"
hlipka 0:8b387bed54c2 28 #include "host.h"
hlipka 0:8b387bed54c2 29
hlipka 0:8b387bed54c2 30 #include <queue>
hlipka 0:8b387bed54c2 31 using std::queue;
hlipka 0:8b387bed54c2 32
hlipka 0:8b387bed54c2 33 //Implements a Berkeley-like socket if
hlipka 0:8b387bed54c2 34 //Can be interfaced either to lwip or a Telit module
hlipka 0:8b387bed54c2 35
hlipka 0:8b387bed54c2 36 enum NetTcpSocketErr
hlipka 0:8b387bed54c2 37 {
hlipka 0:8b387bed54c2 38 __NETTCPSOCKET_MIN = -0xFFFF,
hlipka 0:8b387bed54c2 39 NETTCPSOCKET_SETUP, //NetTcpSocket not properly configured
hlipka 0:8b387bed54c2 40 NETTCPSOCKET_TIMEOUT,
hlipka 0:8b387bed54c2 41 NETTCPSOCKET_IF, //If has problems
hlipka 0:8b387bed54c2 42 NETTCPSOCKET_MEM, //Not enough mem
hlipka 0:8b387bed54c2 43 NETTCPSOCKET_INUSE, //If/Port is in use
hlipka 0:8b387bed54c2 44 NETTCPSOCKET_EMPTY, //Connections queue is empty
hlipka 0:8b387bed54c2 45 NETTCPSOCKET_RST, // Connection was reset by remote host
hlipka 0:8b387bed54c2 46 //...
hlipka 0:8b387bed54c2 47 NETTCPSOCKET_OK = 0
hlipka 0:8b387bed54c2 48 };
hlipka 0:8b387bed54c2 49
hlipka 0:8b387bed54c2 50 enum NetTcpSocketEvent
hlipka 0:8b387bed54c2 51 {
hlipka 0:8b387bed54c2 52 NETTCPSOCKET_CONNECTED, //Connected to host, must call accept() if we were listening
hlipka 0:8b387bed54c2 53 NETTCPSOCKET_ACCEPT, //Connected to client
hlipka 0:8b387bed54c2 54 NETTCPSOCKET_READABLE, //Data in buf
hlipka 0:8b387bed54c2 55 NETTCPSOCKET_WRITEABLE, //Can write data to buf
hlipka 0:8b387bed54c2 56 NETTCPSOCKET_CONTIMEOUT,
hlipka 0:8b387bed54c2 57 NETTCPSOCKET_CONRST,
hlipka 0:8b387bed54c2 58 NETTCPSOCKET_CONABRT,
hlipka 0:8b387bed54c2 59 NETTCPSOCKET_ERROR,
hlipka 0:8b387bed54c2 60 NETTCPSOCKET_DISCONNECTED
hlipka 0:8b387bed54c2 61 };
hlipka 0:8b387bed54c2 62
hlipka 0:8b387bed54c2 63
hlipka 0:8b387bed54c2 64 class NetTcpSocket
hlipka 0:8b387bed54c2 65 {
hlipka 0:8b387bed54c2 66 public:
hlipka 0:8b387bed54c2 67 NetTcpSocket();
hlipka 0:8b387bed54c2 68 virtual ~NetTcpSocket(); //close()
hlipka 0:8b387bed54c2 69
hlipka 0:8b387bed54c2 70 virtual NetTcpSocketErr bind(const Host& me) = 0;
hlipka 0:8b387bed54c2 71 virtual NetTcpSocketErr listen() = 0;
hlipka 0:8b387bed54c2 72 virtual NetTcpSocketErr connect(const Host& host) = 0;
hlipka 0:8b387bed54c2 73 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket) = 0;
hlipka 0:8b387bed54c2 74
hlipka 0:8b387bed54c2 75 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len) = 0;
hlipka 0:8b387bed54c2 76 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len) = 0;
hlipka 0:8b387bed54c2 77
hlipka 0:8b387bed54c2 78 virtual NetTcpSocketErr close() = 0;
hlipka 0:8b387bed54c2 79
hlipka 0:8b387bed54c2 80 virtual NetTcpSocketErr poll() = 0;
hlipka 0:8b387bed54c2 81
hlipka 0:8b387bed54c2 82 class CDummy;
hlipka 0:8b387bed54c2 83 //Callbacks
hlipka 0:8b387bed54c2 84 template<class T>
hlipka 0:8b387bed54c2 85 //Linker bug : Must be defined here :(
hlipka 0:8b387bed54c2 86 void setOnEvent( T* pItem, void (T::*pMethod)(NetTcpSocketEvent) )
hlipka 0:8b387bed54c2 87 {
hlipka 0:8b387bed54c2 88 m_pCbItem = (CDummy*) pItem;
hlipka 0:8b387bed54c2 89 m_pCbMeth = (void (CDummy::*)(NetTcpSocketEvent)) pMethod;
hlipka 0:8b387bed54c2 90 }
hlipka 0:8b387bed54c2 91
hlipka 0:8b387bed54c2 92 void resetOnEvent(); //Disable callback
hlipka 0:8b387bed54c2 93
hlipka 0:8b387bed54c2 94 protected:
hlipka 0:8b387bed54c2 95 void queueEvent(NetTcpSocketEvent e);
hlipka 0:8b387bed54c2 96 void discardEvents();
hlipka 0:8b387bed54c2 97 void flushEvents(); //to be called during polling
hlipka 0:8b387bed54c2 98
hlipka 0:8b387bed54c2 99 Host m_host;
hlipka 0:8b387bed54c2 100 Host m_client;
hlipka 0:8b387bed54c2 101
hlipka 0:8b387bed54c2 102 friend class Net;
hlipka 0:8b387bed54c2 103 int m_refs;
hlipka 0:8b387bed54c2 104
hlipka 0:8b387bed54c2 105 bool m_closed;
hlipka 0:8b387bed54c2 106 bool m_removed;
hlipka 0:8b387bed54c2 107
hlipka 0:8b387bed54c2 108 private:
hlipka 0:8b387bed54c2 109 //We do not want to execute user code in interrupt routines, so we queue events until the server is polled
hlipka 0:8b387bed54c2 110 //If we port this to a multithreaded OS, we could avoid this (however some functions here are not thread-safe, so beware ;) )
hlipka 0:8b387bed54c2 111 void onEvent(NetTcpSocketEvent e); //To be called on poll
hlipka 0:8b387bed54c2 112 CDummy* m_pCbItem;
hlipka 0:8b387bed54c2 113 void (CDummy::*m_pCbMeth)(NetTcpSocketEvent);
hlipka 0:8b387bed54c2 114 queue<NetTcpSocketEvent> m_events;
hlipka 0:8b387bed54c2 115
hlipka 0:8b387bed54c2 116 };
hlipka 0:8b387bed54c2 117
hlipka 0:8b387bed54c2 118 #endif