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if/ppp/PPPNetIf.cpp@0:ac21159e27f4, 2010-07-02 (annotated)

Committer:: darran
Date:: Fri Jul 02 17:21:58 2010 +0000
Revision:: 0:ac21159e27f4

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User	Revision	Line number	New contents of line
darran	0:ac21159e27f4	1
darran	0:ac21159e27f4	2	/*
darran	0:ac21159e27f4	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
darran	0:ac21159e27f4	4
darran	0:ac21159e27f4	5	Permission is hereby granted, free of charge, to any person obtaining a copy
darran	0:ac21159e27f4	6	of this software and associated documentation files (the "Software"), to deal
darran	0:ac21159e27f4	7	in the Software without restriction, including without limitation the rights
darran	0:ac21159e27f4	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
darran	0:ac21159e27f4	9	copies of the Software, and to permit persons to whom the Software is
darran	0:ac21159e27f4	10	furnished to do so, subject to the following conditions:
darran	0:ac21159e27f4	11
darran	0:ac21159e27f4	12	The above copyright notice and this permission notice shall be included in
darran	0:ac21159e27f4	13	all copies or substantial portions of the Software.
darran	0:ac21159e27f4	14
darran	0:ac21159e27f4	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
darran	0:ac21159e27f4	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
darran	0:ac21159e27f4	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
darran	0:ac21159e27f4	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
darran	0:ac21159e27f4	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
darran	0:ac21159e27f4	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
darran	0:ac21159e27f4	21	THE SOFTWARE.
darran	0:ac21159e27f4	22	*/
darran	0:ac21159e27f4	23
darran	0:ac21159e27f4	24	#include "PPPNetIf.h"
darran	0:ac21159e27f4	25	#include "mbed.h"
darran	0:ac21159e27f4	26	#include "ppp/ppp.h"
darran	0:ac21159e27f4	27	#include "lwip/init.h"
darran	0:ac21159e27f4	28	#include "lwip/sio.h"
darran	0:ac21159e27f4	29
darran	0:ac21159e27f4	30	#define __DEBUG
darran	0:ac21159e27f4	31	#include "dbg/dbg.h"
darran	0:ac21159e27f4	32
darran	0:ac21159e27f4	33	#include "netCfg.h"
darran	0:ac21159e27f4	34	#if NET_PPP
darran	0:ac21159e27f4	35
darran	0:ac21159e27f4	36	#define PPP_TIMEOUT 60000
darran	0:ac21159e27f4	37
darran	0:ac21159e27f4	38	#define BUF_SIZE 128
darran	0:ac21159e27f4	39
darran	0:ac21159e27f4	40	PPPNetIf::PPPNetIf(GPRSModem* pIf) : LwipNetIf(), m_pIf(pIf),/* m_open(false),*/ m_connected(false), m_status(PPP_DISCONNECTED), m_fd(0) //, m_id(0)
darran	0:ac21159e27f4	41	{
darran	0:ac21159e27f4	42	//FIXME: Check static refcount
darran	0:ac21159e27f4	43	pppInit();
darran	0:ac21159e27f4	44	m_buf = new uint8_t[BUF_SIZE];
darran	0:ac21159e27f4	45	}
darran	0:ac21159e27f4	46
darran	0:ac21159e27f4	47	PPPNetIf::~PPPNetIf()
darran	0:ac21159e27f4	48	{
darran	0:ac21159e27f4	49	delete[] m_buf;
darran	0:ac21159e27f4	50	}
darran	0:ac21159e27f4	51
darran	0:ac21159e27f4	52	#if 0
darran	0:ac21159e27f4	53	PPPErr PPPNetIf::open(Serial* pSerial)
darran	0:ac21159e27f4	54	{
darran	0:ac21159e27f4	55	GPRSErr err = m_pIf->open(pSerial);
darran	0:ac21159e27f4	56	if(err)
darran	0:ac21159e27f4	57	return PPP_MODEM;
darran	0:ac21159e27f4	58	m_open = true;
darran	0:ac21159e27f4	59	#if 0
darran	0:ac21159e27f4	60	m_id = sioMgr::registerSerialIf(this);
darran	0:ac21159e27f4	61	if(!m_id)
darran	0:ac21159e27f4	62	{
darran	0:ac21159e27f4	63	close();
darran	0:ac21159e27f4	64	return PPP_CLOSED;
darran	0:ac21159e27f4	65	}
darran	0:ac21159e27f4	66	#endif
darran	0:ac21159e27f4	67	return PPP_OK;
darran	0:ac21159e27f4	68	}
darran	0:ac21159e27f4	69	#endif
darran	0:ac21159e27f4	70
darran	0:ac21159e27f4	71
darran	0:ac21159e27f4	72	PPPErr PPPNetIf::GPRSConnect(const char* apn, const char* userId, const char* password) //Connect using GPRS
darran	0:ac21159e27f4	73	{
darran	0:ac21159e27f4	74	LwipNetIf::init();
darran	0:ac21159e27f4	75	//TODO: Tell ATIf that we get ownership of the serial port
darran	0:ac21159e27f4	76
darran	0:ac21159e27f4	77	GPRSErr gprsErr;
darran	0:ac21159e27f4	78	gprsErr = m_pIf->connect(apn);
darran	0:ac21159e27f4	79	if(gprsErr)
darran	0:ac21159e27f4	80	return PPP_NETWORK;
darran	0:ac21159e27f4	81
darran	0:ac21159e27f4	82	DBG("\r\nPPPNetIf: If Connected.\r\n");
darran	0:ac21159e27f4	83
darran	0:ac21159e27f4	84	if( userId == NULL )
darran	0:ac21159e27f4	85	pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
darran	0:ac21159e27f4	86	else
darran	0:ac21159e27f4	87	pppSetAuth(PPPAUTHTYPE_PAP, userId, password); //TODO: Allow CHAP as well
darran	0:ac21159e27f4	88
darran	0:ac21159e27f4	89	DBG("\r\nPPPNetIf: Set Auth.\r\n");
darran	0:ac21159e27f4	90
darran	0:ac21159e27f4	91	m_pIf->flushBuffer(); //Flush buffer before passing serial port to PPP
darran	0:ac21159e27f4	92
darran	0:ac21159e27f4	93	m_status = PPP_CONNECTING;
darran	0:ac21159e27f4	94	int res = pppOverSerialOpen((void)m_pIf, sPppCallback, (void)this);
darran	0:ac21159e27f4	95	if(res<0)
darran	0:ac21159e27f4	96	{
darran	0:ac21159e27f4	97	disconnect();
darran	0:ac21159e27f4	98	return PPP_PROTOCOL;
darran	0:ac21159e27f4	99	}
darran	0:ac21159e27f4	100
darran	0:ac21159e27f4	101	DBG("\r\nPPPNetIf: PPP Started with res = %d.\r\n", res);
darran	0:ac21159e27f4	102
darran	0:ac21159e27f4	103	m_fd = res;
darran	0:ac21159e27f4	104	m_connected = true;
darran	0:ac21159e27f4	105	Timer t;
darran	0:ac21159e27f4	106	t.start();
darran	0:ac21159e27f4	107	while( m_status == PPP_CONNECTING ) //Wait for callback
darran	0:ac21159e27f4	108	{
darran	0:ac21159e27f4	109	poll();
darran	0:ac21159e27f4	110	if(t.read_ms()>PPP_TIMEOUT)
darran	0:ac21159e27f4	111	{
darran	0:ac21159e27f4	112	DBG("\r\nPPPNetIf: Timeout.\r\n");
darran	0:ac21159e27f4	113	disconnect();
darran	0:ac21159e27f4	114	return PPP_PROTOCOL;
darran	0:ac21159e27f4	115	}
darran	0:ac21159e27f4	116	}
darran	0:ac21159e27f4	117
darran	0:ac21159e27f4	118	DBG("\r\nPPPNetIf: Callback returned.\r\n");
darran	0:ac21159e27f4	119
darran	0:ac21159e27f4	120	if( m_status == PPP_DISCONNECTED )
darran	0:ac21159e27f4	121	{
darran	0:ac21159e27f4	122	disconnect();
darran	0:ac21159e27f4	123	return PPP_PROTOCOL;
darran	0:ac21159e27f4	124	}
darran	0:ac21159e27f4	125
darran	0:ac21159e27f4	126	return PPP_OK;
darran	0:ac21159e27f4	127
darran	0:ac21159e27f4	128	}
darran	0:ac21159e27f4	129
darran	0:ac21159e27f4	130	PPPErr PPPNetIf::ATConnect(const char* number) //Connect using a "classic" voice modem or GSM
darran	0:ac21159e27f4	131	{
darran	0:ac21159e27f4	132	//TODO: IMPL
darran	0:ac21159e27f4	133	return PPP_MODEM;
darran	0:ac21159e27f4	134	}
darran	0:ac21159e27f4	135
darran	0:ac21159e27f4	136	PPPErr PPPNetIf::disconnect()
darran	0:ac21159e27f4	137	{
darran	0:ac21159e27f4	138	pppClose(m_fd); //0 if ok, else should gen a WARN
darran	0:ac21159e27f4	139	m_connected = false;
darran	0:ac21159e27f4	140
darran	0:ac21159e27f4	141	m_pIf->flushBuffer();
darran	0:ac21159e27f4	142	m_pIf->printf("+++");
darran	0:ac21159e27f4	143	wait(.1);
darran	0:ac21159e27f4	144	m_pIf->flushBuffer();
darran	0:ac21159e27f4	145
darran	0:ac21159e27f4	146	GPRSErr gprsErr;
darran	0:ac21159e27f4	147	gprsErr = m_pIf->disconnect();
darran	0:ac21159e27f4	148	if(gprsErr)
darran	0:ac21159e27f4	149	return PPP_NETWORK;
darran	0:ac21159e27f4	150
darran	0:ac21159e27f4	151	return PPP_OK;
darran	0:ac21159e27f4	152	}
darran	0:ac21159e27f4	153
darran	0:ac21159e27f4	154	#if 0
darran	0:ac21159e27f4	155	PPPErr PPPNetIf::close()
darran	0:ac21159e27f4	156	{
darran	0:ac21159e27f4	157	GPRSErr err = m_pIf->close();
darran	0:ac21159e27f4	158	if(err)
darran	0:ac21159e27f4	159	return PPP_MODEM;
darran	0:ac21159e27f4	160	m_open = false;
darran	0:ac21159e27f4	161	return PPP_OK;
darran	0:ac21159e27f4	162	}
darran	0:ac21159e27f4	163	#endif
darran	0:ac21159e27f4	164
darran	0:ac21159e27f4	165
darran	0:ac21159e27f4	166	#if 0
darran	0:ac21159e27f4	167	//We have to use :
darran	0:ac21159e27f4	168
darran	0:ac21159e27f4	169	/** Pass received raw characters to PPPoS to be decoded. This function is
darran	0:ac21159e27f4	170	* thread-safe and can be called from a dedicated RX-thread or from a main-loop.
darran	0:ac21159e27f4	171	*
darran	0:ac21159e27f4	172	* @param pd PPP descriptor index, returned by pppOpen()
darran	0:ac21159e27f4	173	* @param data received data
darran	0:ac21159e27f4	174	* @param len length of received data
darran	0:ac21159e27f4	175	*/
darran	0:ac21159e27f4	176	void
darran	0:ac21159e27f4	177	pppos_input(int pd, u_char* data, int len)
darran	0:ac21159e27f4	178	{
darran	0:ac21159e27f4	179	pppInProc(&pppControl[pd].rx, data, len);
darran	0:ac21159e27f4	180	}
darran	0:ac21159e27f4	181	#endif
darran	0:ac21159e27f4	182
darran	0:ac21159e27f4	183	void PPPNetIf::poll()
darran	0:ac21159e27f4	184	{
darran	0:ac21159e27f4	185	if(!m_connected)
darran	0:ac21159e27f4	186	return;
darran	0:ac21159e27f4	187	LwipNetIf::poll();
darran	0:ac21159e27f4	188	//static u8_t buf[128];
darran	0:ac21159e27f4	189	int len = sio_tryread((sio_fd_t) m_pIf, m_buf, BUF_SIZE);
darran	0:ac21159e27f4	190	if(len > 0)
darran	0:ac21159e27f4	191	pppos_input(m_fd, m_buf, len);
darran	0:ac21159e27f4	192	}
darran	0:ac21159e27f4	193
darran	0:ac21159e27f4	194	//Link Callback
darran	0:ac21159e27f4	195	void PPPNetIf::pppCallback(int errCode, void *arg)
darran	0:ac21159e27f4	196	{
darran	0:ac21159e27f4	197	//DBG("\r\nPPPNetIf: Callback errCode = %d.\r\n", errCode);
darran	0:ac21159e27f4	198	switch ( errCode )
darran	0:ac21159e27f4	199	{
darran	0:ac21159e27f4	200	//No error
darran	0:ac21159e27f4	201	case PPPERR_NONE:
darran	0:ac21159e27f4	202	m_status = PPP_CONNECTED;
darran	0:ac21159e27f4	203	break;
darran	0:ac21159e27f4	204	default:
darran	0:ac21159e27f4	205	//Disconnected
darran	0:ac21159e27f4	206	m_status = PPP_DISCONNECTED;
darran	0:ac21159e27f4	207	break;
darran	0:ac21159e27f4	208	}
darran	0:ac21159e27f4	209	}
darran	0:ac21159e27f4	210
darran	0:ac21159e27f4	211	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	02 Jul 2010
Imports:	2
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

if/ppp/PPPNetIf.cpp@0:ac21159e27f4, 2010-07-02 (annotated)

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