source: xtideuniversalbios/trunk/Serial_Server/win32/Win32.cpp @ 215

//======================================================================
//
// Project:     XTIDE Universal BIOS, Serial Port Server
//
// File:        Win32.cpp - Microsoft Windows 32-bit application
//
// This file contains the entry point for the Win32 version of the server.
// It also handles log reporting, timers, and command line parameter parsing.
// 

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <stdarg.h>

#include "../library/library.h"
#include "../library/flatimage.h"
#include "Win32Serial.h"

void usage(void)
{
    char *usageStrings[] = {
        "SerDrive - XTIDE Universal BIOS Serial Drive Server",
        "Version 1.2.0_wip, Built " __DATE__,
        "",
        "usage: SerDrive [options] imagefile [[slave-options] slave-imagefile]",
        "",
        "  -g cyl:sect:head  Geometry in cylinders, sectors per cylinder, and heads",
        "                    (default is 65:63:16 for a 32 MB disk)",
        "",
        "  -n [megabytes]    Create new disk with given size or use -g geometry",
        "",
        "  -p                Named Pipe mode for emulators (pipe is '" PIPENAME "')",
        "",
        "  -c COMPortNumber  COM Port to use (default is first found)",
        "",
        "  -b BaudRate       Baud rate to use on the COM port ",
        "                    Without a rate multiplier: 2400, 9600, 38400, 115200",
        "                    With a 2x rate multiplier: 4800, 19200, 76800, 230400",
        "                    With a 4x rate multiplier: 9600, 38400, 153600, 460800",
        "                    Abbreviations also accepted (ie, '460K', '38.4K', etc)",
        "                    (default is 38400, 115200 in named pipe mode)",
        "",
        "  -t                Disable timeout, useful for long delays when debugging",
        "",
        "  -r                Read Only disk, do not allow writes",
        "",
        "  -v [level]        Reporting level 1-6, with increasing information",
        "",
        "On the client computer, a serial port can be configured for use as a hard disk",
        "with xtidecfg.com.  Or one can hold down the ALT key at the end of the normal",
        "IDE hard disk scan and the XTIDE Universal BIOS will scan COM1-7, at each of",
        "the four speeds given above for BaudRate.  Note that hardware rate multipliers",
        "must be taken into account on the server end, but are invisible on the client.",
        NULL };

    for( int t = 0; usageStrings[t]; t++ )
        fprintf( stderr, "%s\n", usageStrings[t] );

    exit( 1 );
}

int verbose = 0;

int main(int argc, char* argv[])
{
    DWORD len;

    unsigned long check;
    unsigned char w;

    unsigned short wbuff[256];

    Serial *serial;
    Image *img;
    struct baudRate *baudRate = NULL;

    int timeoutEnabled = 1;

    char *ComPort = NULL, ComPortBuff[20];

    _fmode = _O_BINARY;

    unsigned long cyl = 0, sect = 0, head = 0;
    int readOnly = 0, createFile = 0, explicitGeometry = 0;

    int imagecount = 0;
    Image *images[2] = { NULL, NULL };

    for( int t = 1; t < argc; t++ )
    {
        if( argv[t][0] == '/' || argv[t][0] == '-' )
        {
            char *c;
            unsigned long a;
            for( c = &argv[t][1]; *c && !isdigit( *c ); c++ ) 
                ;
            a = atol(c);

            switch( argv[t][1] )
            {
            case 'c': case 'C':
                a = atol( argv[++t] );
                if( a < 1 )
                    usage();
                sprintf( ComPortBuff, "COM%d", a );
                ComPort = &ComPortBuff[0];
                break;
            case 'v': case 'V':
                if( atol(argv[t+1]) != 0 )
                    verbose = atol(argv[++t]);
                else
                    verbose = 1;
                break;
            case 'r': case 'R':
                readOnly = 1;
                break;
            case 'p': case 'P':
                ComPort = "PIPE";
                if( !baudRate )
                    baudRate = baudRateMatchString( "115200" );
                break;            
            case 'g': case 'G':
                if( !Image::parseGeometry( argv[++t], &cyl, &sect, &head ) )
                    usage();
                explicitGeometry = 1;
                break;
            case 'h': case 'H': case '?':
                usage();
                break;
            case 'n': case 'N':
                createFile = 1;
                if( atol(argv[t+1]) != 0 )
                {
                    unsigned long size = atol(argv[++t]);
                    sect = 63;
                    head = 16;
                    cyl = (size*1024*2) / (16*63);
                    explicitGeometry = 1;
                }
                break;
            case 't': case 'T':
                timeoutEnabled = 0;
                break;
            case 'b': case 'B':
                if( !(baudRate = baudRateMatchString( argv[++t] )) )
                {
                    fprintf( stderr, "Unknown Baud Rate %s\n\n", argv[t] );
                    usage();
                }
                break;
            default:
                fprintf( stderr, "Unknown Option: %s\n\n", argv[t] );
                usage();
            }
        }
        else if( imagecount < 2 )
        {
            images[imagecount] = new FlatImage( argv[t], readOnly, imagecount, createFile, cyl, sect, head );
            imagecount++;
            createFile = readOnly = cyl = sect = head = 0;
        }
        else
            usage();
    }

    if( imagecount == 0 )
        usage();

    if( !baudRate )
        baudRate = baudRateMatchString( "38400" );

    do
    {
        serial = new Win32Serial( ComPort, baudRate );

        processRequests( serial, images[0], images[1], timeoutEnabled, verbose );

        delete serial;

        if( serial->resetConnection )
            log( 0, "Connection closed, reset..." );
    }
    while( serial->resetConnection );
}

void log( int level, char *message, ... )
{
    va_list args;

    va_start( args, message );

    if( level < 0 )
    {
        fprintf( stderr, "ERROR: " );
        vfprintf( stderr, message, args );
        fprintf( stderr, "\n" );
        exit( 1 );
    }
    else if( verbose >= level )
    {
        vprintf( message, args );
        printf( "\n" );
    }

    va_end( args );
}

unsigned long GetTime(void)
{
    return( GetTickCount() );
}

unsigned long GetTime_Timeout(void)
{
    return( 1000 );
}