wvdial/wvmodemscan.h

   1 /*
   2  * Worldvisions Weaver Software:
   3  *   Copyright (C) 1997-2003 Net Integration Technologies, Inc.
   4  *
   5  * Intelligent serial port scanner: try to find a port (or ports)
   6  * with a working modem, guess a basic startup init string, and find
   7  * the maximum baud rate.
   8  */
   9 #ifndef __WVMODEMSCAN_H
  10 #define __WVMODEMSCAN_H
  11
  12 #include "wvlinklist.h"
  13 #include "wvlog.h"
  14
  15 class WvModem;
  16
  17
  18 class WvModemScan
  19 {
  20 public:
  21     enum Stage { Startup=0, AT, ATZ, ATS0,
  22                         Carrier, DTR, FCLASS, GetIdent,
  23                         BaudStep, Reinit, Done, NUM_STAGES };
  24
  25 private:
  26     int stage;
  27     enum Status { Fail = -1, Unknown = 0, Worked = 1, Test };
  28     Status status[NUM_STAGES];
  29     WvLog debug;
  30
  31     WvString file;
  32     WvString identifier;
  33     int baud, tries;
  34     WvModem *modem;
  35     bool broken;
  36
  37     bool doresult(WvStringParm s, int msec);
  38     size_t coagulate(char *buf, size_t size, int msec);
  39
  40 public:
  41     WvModemScan(WvStringParm devname, bool is_modem_link);
  42     ~WvModemScan();
  43
  44     WvString modem_name;
  45     bool use_modem_link;
  46
  47     // check probe status
  48     bool isdone() const
  49         { return stage == Done; }
  50     bool isok() const;
  51
  52     // is this an isdn modem?  Returns modem identifier if so.
  53     const char *is_isdn() const;
  54
  55     bool use_default_asyncmap() const;
  56
  57     // continue the probe where we left off
  58     void execute();
  59
  60     // after a probe finishes (isdone()==true) these functions return
  61     // the final status info for the device.
  62     WvStringParm filename() const
  63         { return file; }
  64     int maxbaud() const
  65         { return baud; }
  66     WvString initstr() const;
  67 };
  68
  69
  70 // Declare a WvModemScanList, which searches for all available modems.
  71 // After an instance of the class has been created, run execute()
  72 // again and again until isdone()==true; then the contents of the list
  73 // is a set of all available modems, in the form of WvModemScan objects.
  74 DeclareWvList2(WvModemScanListBase, WvModemScan);
  75
  76 class WvModemScanList : public WvModemScanListBase
  77 {
  78     WvLog log;
  79     int thisline;
  80     bool printed;
  81 public:
  82     WvModemScanList(WvStringParm _exception = WvString::null);
  83
  84     void execute();
  85     bool isdone();
  86 };
  87
  88
  89 #endif // __WVMODEMSCAN_H