src/m_serial.h

   1 ///
   2 /// \file       m_serial.h
   3 ///             Mode class for serial / GPRS modem mode
   4 ///
   5
   6 /*
   7     Copyright (C) 2008-2012, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #ifndef __BARRY_M_SERIAL_H__
  23 #define __BARRY_M_SERIAL_H__
  24
  25 #include "dll.h"
  26 #include "modem.h"
  27 #include "socket.h"
  28 #include "data.h"
  29 #include "pppfilter.h"
  30
  31 namespace Barry {
  32
  33 // forward declarations
  34 class Controller;
  35
  36 namespace Mode {
  37
  38 class BXEXPORT Serial : public Modem
  39 {
  40 public:
  41         typedef void (*DeviceDataCallback)(void *context, const unsigned char *data, int len);
  42
  43 private:
  44         Controller &m_con;
  45
  46         SocketHandle m_data;
  47         SocketHandle m_ctrl;
  48
  49         uint16_t m_ModeSocket;                  // socket recommended by device
  50                                                 // when mode was selected
  51         uint16_t m_CtrlSocket;
  52
  53         // PPP filtering
  54         PppFilter m_filter;
  55
  56         // UsbSerData cache
  57 //      Data m_readCache;
  58
  59         // external callbacks
  60         DeviceDataCallback m_callback;
  61         void *m_callback_context;
  62
  63 protected:
  64         static void DataCallback(Serial &context, Data *data);
  65         static void CtrlCallback(Serial &context, Data *data);
  66
  67 public:
  68         Serial(Controller &con, DeviceDataCallback callback, void *callback_context);
  69         ~Serial();
  70
  71         //////////////////////////////////
  72         // general operations
  73         void Open(const char *password = 0);    // FIXME password needed?  if not,
  74                                                 // then we can remove it from
  75                                                 // the Modem base class
  76         void Close();
  77         void RetryPassword(const char *password);
  78
  79         //////////////////////////////////
  80         // UsbSerData mode - modem specific
  81
  82 //      void Read(Data &data, int timeout); // can be called from separate thread
  83         void Write(const Data &data, int timeout = -1);
  84 };
  85
  86 }} // namespace Barry::Mode
  87
  88 #endif
  89