tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/ip/PPPIPInterface.h

   1 /* PPPIPInterface.h */
   2 /* Copyright (C) 2012 mbed.org, MIT License
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   5  * and associated documentation files (the "Software"), to deal in the Software without restriction,
   6  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
   7  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in all copies or
  11  * substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  14  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  16  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  18  */
  19
  20 #ifndef PPPIPINTERFACE_H_
  21 #define PPPIPINTERFACE_H_
  22
  23 #include "core/fwk.h"
  24
  25 #include "LwIPInterface.h"
  26
  27 #include "lwip/sio.h"
  28
  29 namespace rtos {
  30 class Semaphore;
  31 }
  32 using namespace rtos;
  33
  34 #define DEFAULT_MSISDN_GSM    "*99#"
  35 #define DEFAULT_MSISDN_CDMA   "#777"
  36
  37 /** Interface using PPP to connect to an IP-based network
  38  *
  39  */
  40 class PPPIPInterface : public LwIPInterface
  41 {
  42 public:
  43     PPPIPInterface(IOStream* pStream);
  44     virtual ~PPPIPInterface();
  45
  46     int init(); //Init PPP-specific stuff, create the right bindings, etc
  47     int setup(const char* user, const char* pw, const char* msisdn); //Setup authentication
  48     virtual int connect();
  49     virtual int disconnect();
  50
  51 private:
  52     int cleanupLink();
  53
  54     static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status
  55     Semaphore m_linkStatusSphre;
  56     int m_pppErrCode;
  57
  58     IOStream* m_pStream; //Serial stream
  59     bool m_streamAvail;
  60     const char* m_msisdn;
  61
  62     int m_pppd;
  63
  64     friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
  65     friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
  66     friend void sio_read_abort(sio_fd_t fd);
  67 };
  68
  69 #endif /* PPPIPINTERFACE_H_ */