Donatien Garnier
NetServices Stack source
Dependents: HelloWorld ServoInterfaceBoardExample1 4180_Lab4
if/ppp/PPPNetIf.cpp@0:632c9925f013, 2010-06-11 (annotated)
- Committer:
- donatien
- Date:
- Fri Jun 11 16:05:15 2010 +0000
- Revision:
- 0:632c9925f013
- Child:
- 4:fd826cad83c0
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| donatien | 0:632c9925f013 | 1 | |
| donatien | 0:632c9925f013 | 2 | /* |
| donatien | 0:632c9925f013 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| donatien | 0:632c9925f013 | 4 | |
| donatien | 0:632c9925f013 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| donatien | 0:632c9925f013 | 6 | of this software and associated documentation files (the "Software"), to deal |
| donatien | 0:632c9925f013 | 7 | in the Software without restriction, including without limitation the rights |
| donatien | 0:632c9925f013 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| donatien | 0:632c9925f013 | 9 | copies of the Software, and to permit persons to whom the Software is |
| donatien | 0:632c9925f013 | 10 | furnished to do so, subject to the following conditions: |
| donatien | 0:632c9925f013 | 11 | |
| donatien | 0:632c9925f013 | 12 | The above copyright notice and this permission notice shall be included in |
| donatien | 0:632c9925f013 | 13 | all copies or substantial portions of the Software. |
| donatien | 0:632c9925f013 | 14 | |
| donatien | 0:632c9925f013 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| donatien | 0:632c9925f013 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| donatien | 0:632c9925f013 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| donatien | 0:632c9925f013 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| donatien | 0:632c9925f013 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| donatien | 0:632c9925f013 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| donatien | 0:632c9925f013 | 21 | THE SOFTWARE. |
| donatien | 0:632c9925f013 | 22 | */ |
| donatien | 0:632c9925f013 | 23 | |
| donatien | 0:632c9925f013 | 24 | #include "PPPNetIf.h" |
| donatien | 0:632c9925f013 | 25 | #include "mbed.h" |
| donatien | 0:632c9925f013 | 26 | #include "ppp/ppp.h" |
| donatien | 0:632c9925f013 | 27 | #include "lwip/init.h" |
| donatien | 0:632c9925f013 | 28 | #include "lwip/sio.h" |
| donatien | 0:632c9925f013 | 29 | |
| donatien | 0:632c9925f013 | 30 | #define __DEBUG |
| donatien | 0:632c9925f013 | 31 | #include "dbg/dbg.h" |
| donatien | 0:632c9925f013 | 32 | |
| donatien | 0:632c9925f013 | 33 | #include "netCfg.h" |
| donatien | 0:632c9925f013 | 34 | #if NET_PPP |
| donatien | 0:632c9925f013 | 35 | |
| donatien | 0:632c9925f013 | 36 | #define PPP_TIMEOUT 60000 |
| donatien | 0:632c9925f013 | 37 | |
| donatien | 0:632c9925f013 | 38 | #define BUF_SIZE 128 |
| donatien | 0:632c9925f013 | 39 | |
| donatien | 0:632c9925f013 | 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) |
| donatien | 0:632c9925f013 | 41 | { |
| donatien | 0:632c9925f013 | 42 | //FIXME: Check static refcount |
| donatien | 0:632c9925f013 | 43 | pppInit(); |
| donatien | 0:632c9925f013 | 44 | m_buf = new uint8_t[BUF_SIZE]; |
| donatien | 0:632c9925f013 | 45 | } |
| donatien | 0:632c9925f013 | 46 | |
| donatien | 0:632c9925f013 | 47 | PPPNetIf::~PPPNetIf() |
| donatien | 0:632c9925f013 | 48 | { |
| donatien | 0:632c9925f013 | 49 | delete[] m_buf; |
| donatien | 0:632c9925f013 | 50 | } |
| donatien | 0:632c9925f013 | 51 | |
| donatien | 0:632c9925f013 | 52 | #if 0 |
| donatien | 0:632c9925f013 | 53 | PPPErr PPPNetIf::open(Serial* pSerial) |
| donatien | 0:632c9925f013 | 54 | { |
| donatien | 0:632c9925f013 | 55 | GPRSErr err = m_pIf->open(pSerial); |
| donatien | 0:632c9925f013 | 56 | if(err) |
| donatien | 0:632c9925f013 | 57 | return PPP_MODEM; |
| donatien | 0:632c9925f013 | 58 | m_open = true; |
| donatien | 0:632c9925f013 | 59 | #if 0 |
| donatien | 0:632c9925f013 | 60 | m_id = sioMgr::registerSerialIf(this); |
| donatien | 0:632c9925f013 | 61 | if(!m_id) |
| donatien | 0:632c9925f013 | 62 | { |
| donatien | 0:632c9925f013 | 63 | close(); |
| donatien | 0:632c9925f013 | 64 | return PPP_CLOSED; |
| donatien | 0:632c9925f013 | 65 | } |
| donatien | 0:632c9925f013 | 66 | #endif |
| donatien | 0:632c9925f013 | 67 | return PPP_OK; |
| donatien | 0:632c9925f013 | 68 | } |
| donatien | 0:632c9925f013 | 69 | #endif |
| donatien | 0:632c9925f013 | 70 | |
| donatien | 0:632c9925f013 | 71 | |
| donatien | 0:632c9925f013 | 72 | PPPErr PPPNetIf::GPRSConnect(const char* apn, const char* userId, const char* password) //Connect using GPRS |
| donatien | 0:632c9925f013 | 73 | { |
| donatien | 0:632c9925f013 | 74 | LwipNetIf::init(); |
| donatien | 0:632c9925f013 | 75 | //TODO: Tell ATIf that we get ownership of the serial port |
| donatien | 0:632c9925f013 | 76 | |
| donatien | 0:632c9925f013 | 77 | GPRSErr gprsErr; |
| donatien | 0:632c9925f013 | 78 | gprsErr = m_pIf->connect(apn); |
| donatien | 0:632c9925f013 | 79 | if(gprsErr) |
| donatien | 0:632c9925f013 | 80 | return PPP_NETWORK; |
| donatien | 0:632c9925f013 | 81 | |
| donatien | 0:632c9925f013 | 82 | DBG("\r\nPPPNetIf: If Connected.\r\n"); |
| donatien | 0:632c9925f013 | 83 | |
| donatien | 0:632c9925f013 | 84 | if( userId == NULL ) |
| donatien | 0:632c9925f013 | 85 | pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL); |
| donatien | 0:632c9925f013 | 86 | else |
| donatien | 0:632c9925f013 | 87 | pppSetAuth(PPPAUTHTYPE_PAP, userId, password); //TODO: Allow CHAP as well |
| donatien | 0:632c9925f013 | 88 | |
| donatien | 0:632c9925f013 | 89 | DBG("\r\nPPPNetIf: Set Auth.\r\n"); |
| donatien | 0:632c9925f013 | 90 | |
| donatien | 0:632c9925f013 | 91 | m_pIf->flushBuffer(); //Flush buffer before passing serial port to PPP |
| donatien | 0:632c9925f013 | 92 | |
| donatien | 0:632c9925f013 | 93 | m_status = PPP_CONNECTING; |
| donatien | 0:632c9925f013 | 94 | int res = pppOverSerialOpen((void*)m_pIf, sPppCallback, (void*)this); |
| donatien | 0:632c9925f013 | 95 | if(res<0) |
| donatien | 0:632c9925f013 | 96 | { |
| donatien | 0:632c9925f013 | 97 | disconnect(); |
| donatien | 0:632c9925f013 | 98 | return PPP_PROTOCOL; |
| donatien | 0:632c9925f013 | 99 | } |
| donatien | 0:632c9925f013 | 100 | |
| donatien | 0:632c9925f013 | 101 | DBG("\r\nPPPNetIf: PPP Started with res = %d.\r\n", res); |
| donatien | 0:632c9925f013 | 102 | |
| donatien | 0:632c9925f013 | 103 | m_fd = res; |
| donatien | 0:632c9925f013 | 104 | m_connected = true; |
| donatien | 0:632c9925f013 | 105 | Timer t; |
| donatien | 0:632c9925f013 | 106 | t.start(); |
| donatien | 0:632c9925f013 | 107 | while( m_status == PPP_CONNECTING ) //Wait for callback |
| donatien | 0:632c9925f013 | 108 | { |
| donatien | 0:632c9925f013 | 109 | poll(); |
| donatien | 0:632c9925f013 | 110 | if(t.read_ms()>PPP_TIMEOUT) |
| donatien | 0:632c9925f013 | 111 | { |
| donatien | 0:632c9925f013 | 112 | DBG("\r\nPPPNetIf: Timeout.\r\n"); |
| donatien | 0:632c9925f013 | 113 | disconnect(); |
| donatien | 0:632c9925f013 | 114 | return PPP_PROTOCOL; |
| donatien | 0:632c9925f013 | 115 | } |
| donatien | 0:632c9925f013 | 116 | } |
| donatien | 0:632c9925f013 | 117 | |
| donatien | 0:632c9925f013 | 118 | DBG("\r\nPPPNetIf: Callback returned.\r\n"); |
| donatien | 0:632c9925f013 | 119 | |
| donatien | 0:632c9925f013 | 120 | if( m_status == PPP_DISCONNECTED ) |
| donatien | 0:632c9925f013 | 121 | { |
| donatien | 0:632c9925f013 | 122 | disconnect(); |
| donatien | 0:632c9925f013 | 123 | return PPP_PROTOCOL; |
| donatien | 0:632c9925f013 | 124 | } |
| donatien | 0:632c9925f013 | 125 | |
| donatien | 0:632c9925f013 | 126 | return PPP_OK; |
| donatien | 0:632c9925f013 | 127 | |
| donatien | 0:632c9925f013 | 128 | } |
| donatien | 0:632c9925f013 | 129 | |
| donatien | 0:632c9925f013 | 130 | PPPErr PPPNetIf::ATConnect(const char* number) //Connect using a "classic" voice modem or GSM |
| donatien | 0:632c9925f013 | 131 | { |
| donatien | 0:632c9925f013 | 132 | //TODO: IMPL |
| donatien | 0:632c9925f013 | 133 | return PPP_MODEM; |
| donatien | 0:632c9925f013 | 134 | } |
| donatien | 0:632c9925f013 | 135 | |
| donatien | 0:632c9925f013 | 136 | PPPErr PPPNetIf::disconnect() |
| donatien | 0:632c9925f013 | 137 | { |
| donatien | 0:632c9925f013 | 138 | pppClose(m_fd); //0 if ok, else should gen a WARN |
| donatien | 0:632c9925f013 | 139 | m_connected = false; |
| donatien | 0:632c9925f013 | 140 | |
| donatien | 0:632c9925f013 | 141 | m_pIf->flushBuffer(); |
| donatien | 0:632c9925f013 | 142 | m_pIf->printf("+++"); |
| donatien | 0:632c9925f013 | 143 | wait(.1); |
| donatien | 0:632c9925f013 | 144 | m_pIf->flushBuffer(); |
| donatien | 0:632c9925f013 | 145 | |
| donatien | 0:632c9925f013 | 146 | GPRSErr gprsErr; |
| donatien | 0:632c9925f013 | 147 | gprsErr = m_pIf->disconnect(); |
| donatien | 0:632c9925f013 | 148 | if(gprsErr) |
| donatien | 0:632c9925f013 | 149 | return PPP_NETWORK; |
| donatien | 0:632c9925f013 | 150 | |
| donatien | 0:632c9925f013 | 151 | return PPP_OK; |
| donatien | 0:632c9925f013 | 152 | } |
| donatien | 0:632c9925f013 | 153 | |
| donatien | 0:632c9925f013 | 154 | #if 0 |
| donatien | 0:632c9925f013 | 155 | PPPErr PPPNetIf::close() |
| donatien | 0:632c9925f013 | 156 | { |
| donatien | 0:632c9925f013 | 157 | GPRSErr err = m_pIf->close(); |
| donatien | 0:632c9925f013 | 158 | if(err) |
| donatien | 0:632c9925f013 | 159 | return PPP_MODEM; |
| donatien | 0:632c9925f013 | 160 | m_open = false; |
| donatien | 0:632c9925f013 | 161 | return PPP_OK; |
| donatien | 0:632c9925f013 | 162 | } |
| donatien | 0:632c9925f013 | 163 | #endif |
| donatien | 0:632c9925f013 | 164 | |
| donatien | 0:632c9925f013 | 165 | |
| donatien | 0:632c9925f013 | 166 | #if 0 |
| donatien | 0:632c9925f013 | 167 | //We have to use : |
| donatien | 0:632c9925f013 | 168 | |
| donatien | 0:632c9925f013 | 169 | /** Pass received raw characters to PPPoS to be decoded. This function is |
| donatien | 0:632c9925f013 | 170 | * thread-safe and can be called from a dedicated RX-thread or from a main-loop. |
| donatien | 0:632c9925f013 | 171 | * |
| donatien | 0:632c9925f013 | 172 | * @param pd PPP descriptor index, returned by pppOpen() |
| donatien | 0:632c9925f013 | 173 | * @param data received data |
| donatien | 0:632c9925f013 | 174 | * @param len length of received data |
| donatien | 0:632c9925f013 | 175 | */ |
| donatien | 0:632c9925f013 | 176 | void |
| donatien | 0:632c9925f013 | 177 | pppos_input(int pd, u_char* data, int len) |
| donatien | 0:632c9925f013 | 178 | { |
| donatien | 0:632c9925f013 | 179 | pppInProc(&pppControl[pd].rx, data, len); |
| donatien | 0:632c9925f013 | 180 | } |
| donatien | 0:632c9925f013 | 181 | #endif |
| donatien | 0:632c9925f013 | 182 | |
| donatien | 0:632c9925f013 | 183 | void PPPNetIf::poll() |
| donatien | 0:632c9925f013 | 184 | { |
| donatien | 0:632c9925f013 | 185 | if(!m_connected) |
| donatien | 0:632c9925f013 | 186 | return; |
| donatien | 0:632c9925f013 | 187 | LwipNetIf::poll(); |
| donatien | 0:632c9925f013 | 188 | //static u8_t buf[128]; |
| donatien | 0:632c9925f013 | 189 | int len = sio_tryread((sio_fd_t) m_pIf, m_buf, BUF_SIZE); |
| donatien | 0:632c9925f013 | 190 | if(len > 0) |
| donatien | 0:632c9925f013 | 191 | pppos_input(m_fd, m_buf, len); |
| donatien | 0:632c9925f013 | 192 | } |
| donatien | 0:632c9925f013 | 193 | |
| donatien | 0:632c9925f013 | 194 | //Link Callback |
| donatien | 0:632c9925f013 | 195 | void PPPNetIf::pppCallback(int errCode, void *arg) |
| donatien | 0:632c9925f013 | 196 | { |
| donatien | 0:632c9925f013 | 197 | //DBG("\r\nPPPNetIf: Callback errCode = %d.\r\n", errCode); |
| donatien | 0:632c9925f013 | 198 | switch ( errCode ) |
| donatien | 0:632c9925f013 | 199 | { |
| donatien | 0:632c9925f013 | 200 | //No error |
| donatien | 0:632c9925f013 | 201 | case PPPERR_NONE: |
| donatien | 0:632c9925f013 | 202 | m_status = PPP_CONNECTED; |
| donatien | 0:632c9925f013 | 203 | break; |
| donatien | 0:632c9925f013 | 204 | default: |
| donatien | 0:632c9925f013 | 205 | //Disconnected |
| donatien | 0:632c9925f013 | 206 | m_status = PPP_DISCONNECTED; |
| donatien | 0:632c9925f013 | 207 | break; |
| donatien | 0:632c9925f013 | 208 | } |
| donatien | 0:632c9925f013 | 209 | } |
| donatien | 0:632c9925f013 | 210 | |
| donatien | 0:632c9925f013 | 211 | #endif |