LwIPInterface.cpp

00001 /* LwIPInterface.cpp */
00002 /* Copyright (C) 2012 mbed.org, MIT License
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00005  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00006  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00007  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in all copies or
00011  * substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00014  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00015  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00016  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00018  */
00019 
00020 
00021 #include "core/fwk.h"
00022 
00023 #include "LwIPInterface.h"
00024 
00025 extern "C" {
00026 #include "lwip/init.h"
00027 #include "lwip/tcpip.h"
00028 }
00029 
00030 LwIPInterface::LwIPInterface() : IPInterface(), m_rdySphre(1)
00031 {
00032   m_rdySphre.wait();
00033 }
00034 
00035 LwIPInterface::~LwIPInterface()
00036 {
00037 
00038 }
00039 
00040 int LwIPInterface::init() //Init LwIP-specific stuff, create the right bindings, etc
00041 {
00042   //lwip_init(); //All LwIP initialisation functions called on a per-module basis (according to lwipopts.h)
00043   tcpip_init(LwIPInterface::tcpipRdyCb, this); //Start TCP/IP processing thread
00044   m_rdySphre.wait(); //Wait for callback to produce resource
00045   return OK;
00046 }
00047 
00048 /*static*/ void LwIPInterface::tcpipRdyCb(void* ctx) //Result of TCP/IP thread launch
00049 {
00050   LwIPInterface* pIf = (LwIPInterface*) ctx;
00051   pIf->m_rdySphre.release();
00052 }