PPPIPInterface.h

00001 /* PPPIPInterface.h */
00002 /* Copyright (C) 2012 mbed.org, MIT License
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00005  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00006  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00007  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in all copies or
00011  * substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00014  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00015  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00016  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00018  */
00019 
00020 #ifndef PPPIPINTERFACE_H_
00021 #define PPPIPINTERFACE_H_
00022 
00023 #include "core/fwk.h"
00024 
00025 #include "LwIPInterface.h"
00026 
00027 #include "lwip/sio.h"
00028 
00029 namespace rtos {
00030 class Semaphore;
00031 }
00032 using namespace rtos;
00033 
00034 #define DEFAULT_MSISDN_GSM    "*99#"
00035 #define DEFAULT_MSISDN_CDMA   "#777"
00036 
00037 /** Interface using PPP to connect to an IP-based network
00038  *
00039  */
00040 class PPPIPInterface : public LwIPInterface
00041 {
00042 public:
00043     PPPIPInterface(IOStream* pStream);
00044     virtual ~PPPIPInterface();
00045 
00046     int init(); //Init PPP-specific stuff, create the right bindings, etc
00047     int setup(const char* user, const char* pw, const char* msisdn); //Setup authentication
00048     virtual int connect();
00049     virtual int disconnect();
00050 
00051 private:
00052     int cleanupLink();
00053 
00054     static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status
00055     Semaphore m_linkStatusSphre;
00056     int m_pppErrCode;
00057 
00058     IOStream* m_pStream; //Serial stream
00059     bool m_streamAvail;
00060     const char* m_msisdn;
00061 
00062     int m_pppd;
00063 
00064     friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
00065     friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
00066     friend void sio_read_abort(sio_fd_t fd);
00067 };
00068 
00069 #endif /* PPPIPINTERFACE_H_ */