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Dependencies:   mbed

NetServices/if/ppp/PPPNetIf.cpp@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1
Michael J. Spencer 1:f5ac63519541 2 /*
Michael J. Spencer 1:f5ac63519541 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Michael J. Spencer 1:f5ac63519541 4
Michael J. Spencer 1:f5ac63519541 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Michael J. Spencer 1:f5ac63519541 6 of this software and associated documentation files (the "Software"), to deal
Michael J. Spencer 1:f5ac63519541 7 in the Software without restriction, including without limitation the rights
Michael J. Spencer 1:f5ac63519541 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Michael J. Spencer 1:f5ac63519541 9 copies of the Software, and to permit persons to whom the Software is
Michael J. Spencer 1:f5ac63519541 10 furnished to do so, subject to the following conditions:
Michael J. Spencer 1:f5ac63519541 11
Michael J. Spencer 1:f5ac63519541 12 The above copyright notice and this permission notice shall be included in
Michael J. Spencer 1:f5ac63519541 13 all copies or substantial portions of the Software.
Michael J. Spencer 1:f5ac63519541 14
Michael J. Spencer 1:f5ac63519541 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Michael J. Spencer 1:f5ac63519541 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Michael J. Spencer 1:f5ac63519541 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Michael J. Spencer 1:f5ac63519541 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Michael J. Spencer 1:f5ac63519541 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Michael J. Spencer 1:f5ac63519541 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Michael J. Spencer 1:f5ac63519541 21 THE SOFTWARE.
Michael J. Spencer 1:f5ac63519541 22 */
Michael J. Spencer 1:f5ac63519541 23
Michael J. Spencer 1:f5ac63519541 24 #include "PPPNetIf.h"
Michael J. Spencer 1:f5ac63519541 25 #include "mbed.h"
Michael J. Spencer 1:f5ac63519541 26 #include "ppp/ppp.h"
Michael J. Spencer 1:f5ac63519541 27 #include "lwip/init.h"
Michael J. Spencer 1:f5ac63519541 28 #include "lwip/sio.h"
Michael J. Spencer 1:f5ac63519541 29
Michael J. Spencer 1:f5ac63519541 30 #define __DEBUG
Michael J. Spencer 1:f5ac63519541 31 #include "dbg/dbg.h"
Michael J. Spencer 1:f5ac63519541 32
Michael J. Spencer 1:f5ac63519541 33 #include "netCfg.h"
Michael J. Spencer 1:f5ac63519541 34 #if NET_PPP
Michael J. Spencer 1:f5ac63519541 35
Michael J. Spencer 1:f5ac63519541 36 #define PPP_TIMEOUT 60000
Michael J. Spencer 1:f5ac63519541 37
Michael J. Spencer 1:f5ac63519541 38 #define BUF_SIZE 256
Michael J. Spencer 1:f5ac63519541 39
Michael J. Spencer 1:f5ac63519541 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)
Michael J. Spencer 1:f5ac63519541 41 {
Michael J. Spencer 1:f5ac63519541 42 //FIXME: Check static refcount
Michael J. Spencer 1:f5ac63519541 43 m_buf = new uint8_t[BUF_SIZE];
Michael J. Spencer 1:f5ac63519541 44 }
Michael J. Spencer 1:f5ac63519541 45
Michael J. Spencer 1:f5ac63519541 46 PPPNetIf::~PPPNetIf()
Michael J. Spencer 1:f5ac63519541 47 {
Michael J. Spencer 1:f5ac63519541 48 delete[] m_buf;
Michael J. Spencer 1:f5ac63519541 49 }
Michael J. Spencer 1:f5ac63519541 50
Michael J. Spencer 1:f5ac63519541 51 #if 0
Michael J. Spencer 1:f5ac63519541 52 PPPErr PPPNetIf::open(Serial* pSerial)
Michael J. Spencer 1:f5ac63519541 53 {
Michael J. Spencer 1:f5ac63519541 54 GPRSErr err = m_pIf->open(pSerial);
Michael J. Spencer 1:f5ac63519541 55 if(err)
Michael J. Spencer 1:f5ac63519541 56 return PPP_MODEM;
Michael J. Spencer 1:f5ac63519541 57 m_open = true;
Michael J. Spencer 1:f5ac63519541 58 #if 0
Michael J. Spencer 1:f5ac63519541 59 m_id = sioMgr::registerSerialIf(this);
Michael J. Spencer 1:f5ac63519541 60 if(!m_id)
Michael J. Spencer 1:f5ac63519541 61 {
Michael J. Spencer 1:f5ac63519541 62 close();
Michael J. Spencer 1:f5ac63519541 63 return PPP_CLOSED;
Michael J. Spencer 1:f5ac63519541 64 }
Michael J. Spencer 1:f5ac63519541 65 #endif
Michael J. Spencer 1:f5ac63519541 66 return PPP_OK;
Michael J. Spencer 1:f5ac63519541 67 }
Michael J. Spencer 1:f5ac63519541 68 #endif
Michael J. Spencer 1:f5ac63519541 69
Michael J. Spencer 1:f5ac63519541 70
Michael J. Spencer 1:f5ac63519541 71 PPPErr PPPNetIf::GPRSConnect(const char* apn, const char* userId, const char* password) //Connect using GPRS
Michael J. Spencer 1:f5ac63519541 72 {
Michael J. Spencer 1:f5ac63519541 73 LwipNetIf::init();
Michael J. Spencer 1:f5ac63519541 74 pppInit();
Michael J. Spencer 1:f5ac63519541 75 //TODO: Tell ATIf that we get ownership of the serial port
Michael J. Spencer 1:f5ac63519541 76
Michael J. Spencer 1:f5ac63519541 77 GPRSErr gprsErr;
Michael J. Spencer 1:f5ac63519541 78 gprsErr = m_pIf->connect(apn);
Michael J. Spencer 1:f5ac63519541 79 if(gprsErr)
Michael J. Spencer 1:f5ac63519541 80 return PPP_NETWORK;
Michael J. Spencer 1:f5ac63519541 81
Michael J. Spencer 1:f5ac63519541 82 DBG("PPPNetIf: If Connected.\n");
Michael J. Spencer 1:f5ac63519541 83
Michael J. Spencer 1:f5ac63519541 84 if( userId == NULL )
Michael J. Spencer 1:f5ac63519541 85 pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
Michael J. Spencer 1:f5ac63519541 86 else
Michael J. Spencer 1:f5ac63519541 87 pppSetAuth(PPPAUTHTYPE_PAP, userId, password); //TODO: Allow CHAP as well
Michael J. Spencer 1:f5ac63519541 88
Michael J. Spencer 1:f5ac63519541 89 DBG("PPPNetIf: Set Auth.\n");
Michael J. Spencer 1:f5ac63519541 90
Michael J. Spencer 1:f5ac63519541 91 //wait(1.);
Michael J. Spencer 1:f5ac63519541 92
Michael J. Spencer 1:f5ac63519541 93 //m_pIf->flushBuffer(); //Flush buffer before passing serial port to PPP
Michael J. Spencer 1:f5ac63519541 94
Michael J. Spencer 1:f5ac63519541 95 m_status = PPP_CONNECTING;
Michael J. Spencer 1:f5ac63519541 96 DBG("m_pIf = %p\n", m_pIf);
Michael J. Spencer 1:f5ac63519541 97 int res = pppOverSerialOpen((void*)m_pIf, sPppCallback, (void*)this);
Michael J. Spencer 1:f5ac63519541 98 DBG("PPP connected\n");
Michael J. Spencer 1:f5ac63519541 99 if(res<0)
Michael J. Spencer 1:f5ac63519541 100 {
Michael J. Spencer 1:f5ac63519541 101 disconnect();
Michael J. Spencer 1:f5ac63519541 102 return PPP_PROTOCOL;
Michael J. Spencer 1:f5ac63519541 103 }
Michael J. Spencer 1:f5ac63519541 104
Michael J. Spencer 1:f5ac63519541 105 DBG("PPPNetIf: PPP Started with res = %d.\n", res);
Michael J. Spencer 1:f5ac63519541 106
Michael J. Spencer 1:f5ac63519541 107 m_fd = res;
Michael J. Spencer 1:f5ac63519541 108 m_connected = true;
Michael J. Spencer 1:f5ac63519541 109 Timer t;
Michael J. Spencer 1:f5ac63519541 110 t.start();
Michael J. Spencer 1:f5ac63519541 111 while( m_status == PPP_CONNECTING ) //Wait for callback
Michael J. Spencer 1:f5ac63519541 112 {
Michael J. Spencer 1:f5ac63519541 113 poll();
Michael J. Spencer 1:f5ac63519541 114 if(t.read_ms()>PPP_TIMEOUT)
Michael J. Spencer 1:f5ac63519541 115 {
Michael J. Spencer 1:f5ac63519541 116 DBG("PPPNetIf: Timeout.\n");
Michael J. Spencer 1:f5ac63519541 117 disconnect();
Michael J. Spencer 1:f5ac63519541 118 return PPP_PROTOCOL;
Michael J. Spencer 1:f5ac63519541 119 }
Michael J. Spencer 1:f5ac63519541 120 }
Michael J. Spencer 1:f5ac63519541 121
Michael J. Spencer 1:f5ac63519541 122 DBG("PPPNetIf: Callback returned.\n");
Michael J. Spencer 1:f5ac63519541 123
Michael J. Spencer 1:f5ac63519541 124 if( m_status == PPP_DISCONNECTED )
Michael J. Spencer 1:f5ac63519541 125 {
Michael J. Spencer 1:f5ac63519541 126 disconnect();
Michael J. Spencer 1:f5ac63519541 127 return PPP_PROTOCOL;
Michael J. Spencer 1:f5ac63519541 128 }
Michael J. Spencer 1:f5ac63519541 129
Michael J. Spencer 1:f5ac63519541 130 return PPP_OK;
Michael J. Spencer 1:f5ac63519541 131
Michael J. Spencer 1:f5ac63519541 132 }
Michael J. Spencer 1:f5ac63519541 133
Michael J. Spencer 1:f5ac63519541 134 PPPErr PPPNetIf::ATConnect(const char* number) //Connect using a "classic" voice modem or GSM
Michael J. Spencer 1:f5ac63519541 135 {
Michael J. Spencer 1:f5ac63519541 136 //TODO: IMPL
Michael J. Spencer 1:f5ac63519541 137 return PPP_MODEM;
Michael J. Spencer 1:f5ac63519541 138 }
Michael J. Spencer 1:f5ac63519541 139
Michael J. Spencer 1:f5ac63519541 140 PPPErr PPPNetIf::disconnect()
Michael J. Spencer 1:f5ac63519541 141 {
Michael J. Spencer 1:f5ac63519541 142 if(m_fd)
Michael J. Spencer 1:f5ac63519541 143 pppClose(m_fd); //0 if ok, else should gen a WARN
Michael J. Spencer 1:f5ac63519541 144 m_connected = false;
Michael J. Spencer 1:f5ac63519541 145
Michael J. Spencer 1:f5ac63519541 146 m_pIf->flushBuffer();
Michael J. Spencer 1:f5ac63519541 147 m_pIf->printf("+++\r\n");
Michael J. Spencer 1:f5ac63519541 148 wait(.5);
Michael J. Spencer 1:f5ac63519541 149 m_pIf->flushBuffer();
Michael J. Spencer 1:f5ac63519541 150
Michael J. Spencer 1:f5ac63519541 151 GPRSErr gprsErr;
Michael J. Spencer 1:f5ac63519541 152 gprsErr = m_pIf->disconnect();
Michael J. Spencer 1:f5ac63519541 153 if(gprsErr)
Michael J. Spencer 1:f5ac63519541 154 return PPP_NETWORK;
Michael J. Spencer 1:f5ac63519541 155
Michael J. Spencer 1:f5ac63519541 156 return PPP_OK;
Michael J. Spencer 1:f5ac63519541 157 }
Michael J. Spencer 1:f5ac63519541 158
Michael J. Spencer 1:f5ac63519541 159 #if 0
Michael J. Spencer 1:f5ac63519541 160 PPPErr PPPNetIf::close()
Michael J. Spencer 1:f5ac63519541 161 {
Michael J. Spencer 1:f5ac63519541 162 GPRSErr err = m_pIf->close();
Michael J. Spencer 1:f5ac63519541 163 if(err)
Michael J. Spencer 1:f5ac63519541 164 return PPP_MODEM;
Michael J. Spencer 1:f5ac63519541 165 m_open = false;
Michael J. Spencer 1:f5ac63519541 166 return PPP_OK;
Michael J. Spencer 1:f5ac63519541 167 }
Michael J. Spencer 1:f5ac63519541 168 #endif
Michael J. Spencer 1:f5ac63519541 169
Michael J. Spencer 1:f5ac63519541 170
Michael J. Spencer 1:f5ac63519541 171 #if 0
Michael J. Spencer 1:f5ac63519541 172 //We have to use :
Michael J. Spencer 1:f5ac63519541 173
Michael J. Spencer 1:f5ac63519541 174 /** Pass received raw characters to PPPoS to be decoded. This function is
Michael J. Spencer 1:f5ac63519541 175 * thread-safe and can be called from a dedicated RX-thread or from a main-loop.
Michael J. Spencer 1:f5ac63519541 176 *
Michael J. Spencer 1:f5ac63519541 177 * @param pd PPP descriptor index, returned by pppOpen()
Michael J. Spencer 1:f5ac63519541 178 * @param data received data
Michael J. Spencer 1:f5ac63519541 179 * @param len length of received data
Michael J. Spencer 1:f5ac63519541 180 */
Michael J. Spencer 1:f5ac63519541 181 void
Michael J. Spencer 1:f5ac63519541 182 pppos_input(int pd, u_char* data, int len)
Michael J. Spencer 1:f5ac63519541 183 {
Michael J. Spencer 1:f5ac63519541 184 pppInProc(&pppControl[pd].rx, data, len);
Michael J. Spencer 1:f5ac63519541 185 }
Michael J. Spencer 1:f5ac63519541 186 #endif
Michael J. Spencer 1:f5ac63519541 187
Michael J. Spencer 1:f5ac63519541 188 void PPPNetIf::poll()
Michael J. Spencer 1:f5ac63519541 189 {
Michael J. Spencer 1:f5ac63519541 190 if(!m_connected)
Michael J. Spencer 1:f5ac63519541 191 return;
Michael J. Spencer 1:f5ac63519541 192 LwipNetIf::poll();
Michael J. Spencer 1:f5ac63519541 193 //static u8_t buf[128];
Michael J. Spencer 1:f5ac63519541 194 int len;
Michael J. Spencer 1:f5ac63519541 195 do
Michael J. Spencer 1:f5ac63519541 196 {
Michael J. Spencer 1:f5ac63519541 197 len = sio_tryread((sio_fd_t) m_pIf, m_buf, BUF_SIZE);
Michael J. Spencer 1:f5ac63519541 198 if(len > 0)
Michael J. Spencer 1:f5ac63519541 199 pppos_input(m_fd, m_buf, len);
Michael J. Spencer 1:f5ac63519541 200 } while(len>0);
Michael J. Spencer 1:f5ac63519541 201 }
Michael J. Spencer 1:f5ac63519541 202
Michael J. Spencer 1:f5ac63519541 203 //Link Callback
Michael J. Spencer 1:f5ac63519541 204 void PPPNetIf::pppCallback(int errCode, void *arg)
Michael J. Spencer 1:f5ac63519541 205 {
Michael J. Spencer 1:f5ac63519541 206 switch ( errCode )
Michael J. Spencer 1:f5ac63519541 207 {
Michael J. Spencer 1:f5ac63519541 208 //No error
Michael J. Spencer 1:f5ac63519541 209 case PPPERR_NONE:
Michael J. Spencer 1:f5ac63519541 210 {
Michael J. Spencer 1:f5ac63519541 211 struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
Michael J. Spencer 1:f5ac63519541 212 m_ip = IpAddr(&(addrs->our_ipaddr)); //Set IP
Michael J. Spencer 1:f5ac63519541 213 }
Michael J. Spencer 1:f5ac63519541 214 m_status = PPP_CONNECTED;
Michael J. Spencer 1:f5ac63519541 215 break;
Michael J. Spencer 1:f5ac63519541 216 default:
Michael J. Spencer 1:f5ac63519541 217 //Disconnected
Michael J. Spencer 1:f5ac63519541 218 DBG("PPPNetIf: Callback errCode = %d.\n", errCode);
Michael J. Spencer 1:f5ac63519541 219 m_status = PPP_DISCONNECTED;
Michael J. Spencer 1:f5ac63519541 220 break;
Michael J. Spencer 1:f5ac63519541 221 }
Michael J. Spencer 1:f5ac63519541 222 }
Michael J. Spencer 1:f5ac63519541 223
Michael J. Spencer 1:f5ac63519541 224 #endif