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if/ppp/PPPNetIf.cpp@7:4e2468d7d5cb, 2010-12-15 (annotated)
- Committer:
- segundo
- Date:
- Wed Dec 15 18:01:30 2010 +0000
- Revision:
- 7:4e2468d7d5cb
- Parent:
- 0:ac1725ba162c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| segundo | 0:ac1725ba162c | 1 | |
| segundo | 0:ac1725ba162c | 2 | /* |
| segundo | 0:ac1725ba162c | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| segundo | 0:ac1725ba162c | 4 | |
| segundo | 0:ac1725ba162c | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| segundo | 0:ac1725ba162c | 6 | of this software and associated documentation files (the "Software"), to deal |
| segundo | 0:ac1725ba162c | 7 | in the Software without restriction, including without limitation the rights |
| segundo | 0:ac1725ba162c | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| segundo | 0:ac1725ba162c | 9 | copies of the Software, and to permit persons to whom the Software is |
| segundo | 0:ac1725ba162c | 10 | furnished to do so, subject to the following conditions: |
| segundo | 0:ac1725ba162c | 11 | |
| segundo | 0:ac1725ba162c | 12 | The above copyright notice and this permission notice shall be included in |
| segundo | 0:ac1725ba162c | 13 | all copies or substantial portions of the Software. |
| segundo | 0:ac1725ba162c | 14 | |
| segundo | 0:ac1725ba162c | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| segundo | 0:ac1725ba162c | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| segundo | 0:ac1725ba162c | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| segundo | 0:ac1725ba162c | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| segundo | 0:ac1725ba162c | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| segundo | 0:ac1725ba162c | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| segundo | 0:ac1725ba162c | 21 | THE SOFTWARE. |
| segundo | 0:ac1725ba162c | 22 | */ |
| segundo | 0:ac1725ba162c | 23 | |
| segundo | 0:ac1725ba162c | 24 | #include "PPPNetIf.h" |
| segundo | 0:ac1725ba162c | 25 | #include "mbed.h" |
| segundo | 0:ac1725ba162c | 26 | #include "ppp/ppp.h" |
| segundo | 0:ac1725ba162c | 27 | #include "lwip/init.h" |
| segundo | 0:ac1725ba162c | 28 | #include "lwip/sio.h" |
| segundo | 0:ac1725ba162c | 29 | |
| segundo | 0:ac1725ba162c | 30 | #define __DEBUG |
| segundo | 0:ac1725ba162c | 31 | #include "dbg/dbg.h" |
| segundo | 0:ac1725ba162c | 32 | |
| segundo | 0:ac1725ba162c | 33 | #include "netCfg.h" |
| segundo | 0:ac1725ba162c | 34 | #if NET_PPP |
| segundo | 0:ac1725ba162c | 35 | |
| segundo | 0:ac1725ba162c | 36 | #define PPP_TIMEOUT 60000 |
| segundo | 0:ac1725ba162c | 37 | |
| segundo | 0:ac1725ba162c | 38 | #define BUF_SIZE 256 |
| segundo | 0:ac1725ba162c | 39 | |
| segundo | 0:ac1725ba162c | 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) |
| segundo | 0:ac1725ba162c | 41 | { |
| segundo | 0:ac1725ba162c | 42 | //FIXME: Check static refcount |
| segundo | 0:ac1725ba162c | 43 | m_buf = new uint8_t[BUF_SIZE]; |
| segundo | 0:ac1725ba162c | 44 | } |
| segundo | 0:ac1725ba162c | 45 | |
| segundo | 0:ac1725ba162c | 46 | PPPNetIf::~PPPNetIf() |
| segundo | 0:ac1725ba162c | 47 | { |
| segundo | 0:ac1725ba162c | 48 | delete[] m_buf; |
| segundo | 0:ac1725ba162c | 49 | } |
| segundo | 0:ac1725ba162c | 50 | |
| segundo | 0:ac1725ba162c | 51 | #if 0 |
| segundo | 0:ac1725ba162c | 52 | PPPErr PPPNetIf::open(Serial* pSerial) |
| segundo | 0:ac1725ba162c | 53 | { |
| segundo | 0:ac1725ba162c | 54 | GPRSErr err = m_pIf->open(pSerial); |
| segundo | 0:ac1725ba162c | 55 | if(err) |
| segundo | 0:ac1725ba162c | 56 | return PPP_MODEM; |
| segundo | 0:ac1725ba162c | 57 | m_open = true; |
| segundo | 0:ac1725ba162c | 58 | #if 0 |
| segundo | 0:ac1725ba162c | 59 | m_id = sioMgr::registerSerialIf(this); |
| segundo | 0:ac1725ba162c | 60 | if(!m_id) |
| segundo | 0:ac1725ba162c | 61 | { |
| segundo | 0:ac1725ba162c | 62 | close(); |
| segundo | 0:ac1725ba162c | 63 | return PPP_CLOSED; |
| segundo | 0:ac1725ba162c | 64 | } |
| segundo | 0:ac1725ba162c | 65 | #endif |
| segundo | 0:ac1725ba162c | 66 | return PPP_OK; |
| segundo | 0:ac1725ba162c | 67 | } |
| segundo | 0:ac1725ba162c | 68 | #endif |
| segundo | 0:ac1725ba162c | 69 | |
| segundo | 0:ac1725ba162c | 70 | |
| segundo | 0:ac1725ba162c | 71 | PPPErr PPPNetIf::GPRSConnect(const char* apn, const char* userId, const char* password) //Connect using GPRS |
| segundo | 0:ac1725ba162c | 72 | { |
| segundo | 0:ac1725ba162c | 73 | LwipNetIf::init(); |
| segundo | 0:ac1725ba162c | 74 | pppInit(); |
| segundo | 0:ac1725ba162c | 75 | //TODO: Tell ATIf that we get ownership of the serial port |
| segundo | 0:ac1725ba162c | 76 | |
| segundo | 0:ac1725ba162c | 77 | GPRSErr gprsErr; |
| segundo | 0:ac1725ba162c | 78 | gprsErr = m_pIf->connect(apn); |
| segundo | 0:ac1725ba162c | 79 | if(gprsErr) |
| segundo | 0:ac1725ba162c | 80 | return PPP_NETWORK; |
| segundo | 0:ac1725ba162c | 81 | |
| segundo | 0:ac1725ba162c | 82 | DBG("PPPNetIf: If Connected.\n"); |
| segundo | 0:ac1725ba162c | 83 | |
| segundo | 0:ac1725ba162c | 84 | if( userId == NULL ) |
| segundo | 0:ac1725ba162c | 85 | pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL); |
| segundo | 0:ac1725ba162c | 86 | else |
| segundo | 0:ac1725ba162c | 87 | pppSetAuth(PPPAUTHTYPE_PAP, userId, password); //TODO: Allow CHAP as well |
| segundo | 0:ac1725ba162c | 88 | |
| segundo | 0:ac1725ba162c | 89 | DBG("PPPNetIf: Set Auth.\n"); |
| segundo | 0:ac1725ba162c | 90 | |
| segundo | 0:ac1725ba162c | 91 | //wait(1.); |
| segundo | 0:ac1725ba162c | 92 | |
| segundo | 0:ac1725ba162c | 93 | //m_pIf->flushBuffer(); //Flush buffer before passing serial port to PPP |
| segundo | 0:ac1725ba162c | 94 | |
| segundo | 0:ac1725ba162c | 95 | m_status = PPP_CONNECTING; |
| segundo | 0:ac1725ba162c | 96 | DBG("m_pIf = %p\n", m_pIf); |
| segundo | 0:ac1725ba162c | 97 | int res = pppOverSerialOpen((void*)m_pIf, sPppCallback, (void*)this); |
| segundo | 0:ac1725ba162c | 98 | DBG("PPP connected\n"); |
| segundo | 0:ac1725ba162c | 99 | if(res<0) |
| segundo | 0:ac1725ba162c | 100 | { |
| segundo | 0:ac1725ba162c | 101 | disconnect(); |
| segundo | 0:ac1725ba162c | 102 | return PPP_PROTOCOL; |
| segundo | 0:ac1725ba162c | 103 | } |
| segundo | 0:ac1725ba162c | 104 | |
| segundo | 0:ac1725ba162c | 105 | DBG("PPPNetIf: PPP Started with res = %d.\n", res); |
| segundo | 0:ac1725ba162c | 106 | |
| segundo | 0:ac1725ba162c | 107 | m_fd = res; |
| segundo | 0:ac1725ba162c | 108 | m_connected = true; |
| segundo | 0:ac1725ba162c | 109 | Timer t; |
| segundo | 0:ac1725ba162c | 110 | t.start(); |
| segundo | 0:ac1725ba162c | 111 | while( m_status == PPP_CONNECTING ) //Wait for callback |
| segundo | 0:ac1725ba162c | 112 | { |
| segundo | 0:ac1725ba162c | 113 | poll(); |
| segundo | 0:ac1725ba162c | 114 | if(t.read_ms()>PPP_TIMEOUT) |
| segundo | 0:ac1725ba162c | 115 | { |
| segundo | 0:ac1725ba162c | 116 | DBG("PPPNetIf: Timeout.\n"); |
| segundo | 0:ac1725ba162c | 117 | disconnect(); |
| segundo | 0:ac1725ba162c | 118 | return PPP_PROTOCOL; |
| segundo | 0:ac1725ba162c | 119 | } |
| segundo | 0:ac1725ba162c | 120 | } |
| segundo | 0:ac1725ba162c | 121 | |
| segundo | 0:ac1725ba162c | 122 | DBG("PPPNetIf: Callback returned.\n"); |
| segundo | 0:ac1725ba162c | 123 | |
| segundo | 0:ac1725ba162c | 124 | if( m_status == PPP_DISCONNECTED ) |
| segundo | 0:ac1725ba162c | 125 | { |
| segundo | 0:ac1725ba162c | 126 | disconnect(); |
| segundo | 0:ac1725ba162c | 127 | return PPP_PROTOCOL; |
| segundo | 0:ac1725ba162c | 128 | } |
| segundo | 0:ac1725ba162c | 129 | |
| segundo | 0:ac1725ba162c | 130 | return PPP_OK; |
| segundo | 0:ac1725ba162c | 131 | |
| segundo | 0:ac1725ba162c | 132 | } |
| segundo | 0:ac1725ba162c | 133 | |
| segundo | 0:ac1725ba162c | 134 | PPPErr PPPNetIf::ATConnect(const char* number) //Connect using a "classic" voice modem or GSM |
| segundo | 0:ac1725ba162c | 135 | { |
| segundo | 0:ac1725ba162c | 136 | //TODO: IMPL |
| segundo | 0:ac1725ba162c | 137 | return PPP_MODEM; |
| segundo | 0:ac1725ba162c | 138 | } |
| segundo | 0:ac1725ba162c | 139 | |
| segundo | 0:ac1725ba162c | 140 | PPPErr PPPNetIf::disconnect() |
| segundo | 0:ac1725ba162c | 141 | { |
| segundo | 0:ac1725ba162c | 142 | if(m_fd) |
| segundo | 0:ac1725ba162c | 143 | pppClose(m_fd); //0 if ok, else should gen a WARN |
| segundo | 0:ac1725ba162c | 144 | m_connected = false; |
| segundo | 0:ac1725ba162c | 145 | |
| segundo | 0:ac1725ba162c | 146 | m_pIf->flushBuffer(); |
| segundo | 0:ac1725ba162c | 147 | m_pIf->printf("+++\r\n"); |
| segundo | 0:ac1725ba162c | 148 | wait(.5); |
| segundo | 0:ac1725ba162c | 149 | m_pIf->flushBuffer(); |
| segundo | 0:ac1725ba162c | 150 | |
| segundo | 0:ac1725ba162c | 151 | GPRSErr gprsErr; |
| segundo | 0:ac1725ba162c | 152 | gprsErr = m_pIf->disconnect(); |
| segundo | 0:ac1725ba162c | 153 | if(gprsErr) |
| segundo | 0:ac1725ba162c | 154 | return PPP_NETWORK; |
| segundo | 0:ac1725ba162c | 155 | |
| segundo | 0:ac1725ba162c | 156 | return PPP_OK; |
| segundo | 0:ac1725ba162c | 157 | } |
| segundo | 0:ac1725ba162c | 158 | |
| segundo | 0:ac1725ba162c | 159 | #if 0 |
| segundo | 0:ac1725ba162c | 160 | PPPErr PPPNetIf::close() |
| segundo | 0:ac1725ba162c | 161 | { |
| segundo | 0:ac1725ba162c | 162 | GPRSErr err = m_pIf->close(); |
| segundo | 0:ac1725ba162c | 163 | if(err) |
| segundo | 0:ac1725ba162c | 164 | return PPP_MODEM; |
| segundo | 0:ac1725ba162c | 165 | m_open = false; |
| segundo | 0:ac1725ba162c | 166 | return PPP_OK; |
| segundo | 0:ac1725ba162c | 167 | } |
| segundo | 0:ac1725ba162c | 168 | #endif |
| segundo | 0:ac1725ba162c | 169 | |
| segundo | 0:ac1725ba162c | 170 | |
| segundo | 0:ac1725ba162c | 171 | #if 0 |
| segundo | 0:ac1725ba162c | 172 | //We have to use : |
| segundo | 0:ac1725ba162c | 173 | |
| segundo | 0:ac1725ba162c | 174 | /** Pass received raw characters to PPPoS to be decoded. This function is |
| segundo | 0:ac1725ba162c | 175 | * thread-safe and can be called from a dedicated RX-thread or from a main-loop. |
| segundo | 0:ac1725ba162c | 176 | * |
| segundo | 0:ac1725ba162c | 177 | * @param pd PPP descriptor index, returned by pppOpen() |
| segundo | 0:ac1725ba162c | 178 | * @param data received data |
| segundo | 0:ac1725ba162c | 179 | * @param len length of received data |
| segundo | 0:ac1725ba162c | 180 | */ |
| segundo | 0:ac1725ba162c | 181 | void |
| segundo | 0:ac1725ba162c | 182 | pppos_input(int pd, u_char* data, int len) |
| segundo | 0:ac1725ba162c | 183 | { |
| segundo | 0:ac1725ba162c | 184 | pppInProc(&pppControl[pd].rx, data, len); |
| segundo | 0:ac1725ba162c | 185 | } |
| segundo | 0:ac1725ba162c | 186 | #endif |
| segundo | 0:ac1725ba162c | 187 | |
| segundo | 0:ac1725ba162c | 188 | void PPPNetIf::poll() |
| segundo | 0:ac1725ba162c | 189 | { |
| segundo | 0:ac1725ba162c | 190 | if(!m_connected) |
| segundo | 0:ac1725ba162c | 191 | return; |
| segundo | 0:ac1725ba162c | 192 | LwipNetIf::poll(); |
| segundo | 0:ac1725ba162c | 193 | //static u8_t buf[128]; |
| segundo | 0:ac1725ba162c | 194 | int len; |
| segundo | 0:ac1725ba162c | 195 | do |
| segundo | 0:ac1725ba162c | 196 | { |
| segundo | 0:ac1725ba162c | 197 | len = sio_tryread((sio_fd_t) m_pIf, m_buf, BUF_SIZE); |
| segundo | 0:ac1725ba162c | 198 | if(len > 0) |
| segundo | 0:ac1725ba162c | 199 | pppos_input(m_fd, m_buf, len); |
| segundo | 0:ac1725ba162c | 200 | } while(len>0); |
| segundo | 0:ac1725ba162c | 201 | } |
| segundo | 0:ac1725ba162c | 202 | |
| segundo | 0:ac1725ba162c | 203 | //Link Callback |
| segundo | 0:ac1725ba162c | 204 | void PPPNetIf::pppCallback(int errCode, void *arg) |
| segundo | 0:ac1725ba162c | 205 | { |
| segundo | 0:ac1725ba162c | 206 | switch ( errCode ) |
| segundo | 0:ac1725ba162c | 207 | { |
| segundo | 0:ac1725ba162c | 208 | //No error |
| segundo | 0:ac1725ba162c | 209 | case PPPERR_NONE: |
| segundo | 0:ac1725ba162c | 210 | { |
| segundo | 0:ac1725ba162c | 211 | struct ppp_addrs* addrs = (struct ppp_addrs*) arg; |
| segundo | 0:ac1725ba162c | 212 | m_ip = IpAddr(&(addrs->our_ipaddr)); //Set IP |
| segundo | 0:ac1725ba162c | 213 | } |
| segundo | 0:ac1725ba162c | 214 | m_status = PPP_CONNECTED; |
| segundo | 0:ac1725ba162c | 215 | break; |
| segundo | 0:ac1725ba162c | 216 | default: |
| segundo | 0:ac1725ba162c | 217 | //Disconnected |
| segundo | 0:ac1725ba162c | 218 | DBG("PPPNetIf: Callback errCode = %d.\n", errCode); |
| segundo | 0:ac1725ba162c | 219 | m_status = PPP_DISCONNECTED; |
| segundo | 0:ac1725ba162c | 220 | break; |
| segundo | 0:ac1725ba162c | 221 | } |
| segundo | 0:ac1725ba162c | 222 | } |
| segundo | 0:ac1725ba162c | 223 | |
| segundo | 0:ac1725ba162c | 224 | #endif |