src/add-ons/kernel/network/ppp/modem/ModemDevice.h

   1 /*
   2  * Copyright 2003-2006, Waldemar Kornewald <wkornew@gmx.net>
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef MODEM_DEVICE__H
   6 #define MODEM_DEVICE__H
   7
   8
   9 #include "Modem.h"
  10
  11 #include <KPPPDevice.h>
  12
  13
  14 enum modem_state {
  15         INITIAL,
  16                 // the same as IsDown() == true
  17         TERMINATING,
  18         DIALING,
  19         OPENED
  20                 // the same as IsUp() == true
  21 };
  22
  23
  24 class ACFCHandler;
  25
  26 class ModemDevice : public KPPPDevice {
  27         public:
  28                 ModemDevice(KPPPInterface& interface, driver_parameter *settings);
  29                 virtual ~ModemDevice();
  30
  31                 const char *PortName() const
  32                         { return fPortName; }
  33                 int32 Handle() const
  34                         { return fHandle; }
  35                                 // returns file handle for modem driver
  36
  37                 const char *InitString() const
  38                         { return fInitString; }
  39                 const char *DialString() const
  40                         { return fDialString; }
  41
  42                 virtual status_t InitCheck() const;
  43
  44                 virtual bool Up();
  45                 virtual bool Down();
  46
  47                 void SetSpeed(uint32 bps);
  48                 virtual uint32 InputTransferRate() const;
  49                 virtual uint32 OutputTransferRate() const;
  50                         // this is around 60% of the input transfer rate
  51
  52                 virtual uint32 CountOutputBytes() const;
  53
  54                 void OpenModem();
  55                 void CloseModem();
  56
  57                 // notifications:
  58                 void FinishedDialing();
  59                 void FailedDialing();
  60                 void ConnectionLost();
  61
  62                 virtual status_t Send(net_buffer *packet, uint16 protocolNumber = 0);
  63                 status_t DataReceived(uint8 *buffer, uint32 length);
  64                         // this will put the data into an mbuf and call Receive()
  65                 virtual status_t Receive(net_buffer *packet, uint16 protocolNumber = 0);
  66
  67         private:
  68                 const char *fPortName, *fInitString, *fDialString;
  69                 int32 fHandle;
  70                         // file handle for modem driver
  71
  72                 thread_id fWorkerThread;
  73
  74                 uint32 fInputTransferRate, fOutputTransferRate;
  75                 uint32 fOutputBytes;
  76
  77                 modem_state fState;
  78
  79                 ACFCHandler *fACFC;
  80 };
  81
  82
  83 #endif