console.c

闻停开发板视频程序

void ConsoleClose()
{
    HANDLE hTmp;

    if( hConsole )
    {
        hTmp = hConsole;
        hConsole = 0;

#ifdef _INCLUDE_PPPOE_CODE
        // If PPPOE is running, kill it
        if( hPPPOE )
        {
            pppoeFree( hPPPOE );
            hPPPOE = 0;
        }
#endif

        // Close the console socket session. This will cause
        // the console app thread to terminate with socket
        // error.
        fdCloseSession( hTmp );
    }
}

//---------------------------------------------------------------------
// console()
//
// This is the main console task.
//
// Arg1 = IP Addr, Arg2 = UDP Foreign Port
//---------------------------------------------------------------------
static void console( SOCKET sCon, PSA pClient )//响应外部输入命令操作
{
    uint   tmp;
    char   tstr[80];
    char   *tok[6];
    int    i,logon=0;

    fdOpenSession( TaskSelf() );

    // Get our socket
    scon = sCon;

    // New console connection
   // ConPrintf( VerStr );
    ConPrintf("Welcome connection : ");
    ConPrintIPN( pClient->sin_addr.s_addr );
    ConPrintf(":%d\n", htons( pClient->sin_port ) );

    //
    // Just for fun, ask for a password
    //
    for( tmp=0; tmp<3; tmp++ )
    {
        if( !strlen(Password) )
            break;
        ConPrintf("\nPassword: ");
        ConGetString( tstr, 32, CGSECHO_PASSWORD );
        if( !strcmp(tstr, Password) )
            break;
        ConPrintf("\nInvalid login\n");
    }
    if( tmp >= 3 )
        logon = 0;
    else
    {
        ConPrintf("\n\nWelcome to the console program.\n");
        ConPrintf("Enter '?' or 'help' for a list of commands.\n\n");
        logon = 1;
    }

    //
    // Start the console command loop
    //
    while( logon )
    {
        // Get a command string
        ConPrintf(">");
        ConGetString( tstr, 80, CGSECHO_INPUT );
        ConPrintf("\n");

        // Break the string down into tokens
        tmp = 0;
        i = 0;
        tok[0] = tstr;
        while( tstr[i] && tmp < 6 )
        {
            if( tstr[i] == ' ' )
            {
                tstr[i] = 0;
                if( ++tmp < 6 )
                    tok[tmp] = tstr+i+1;
            }
            i++;
        }
        // We terminated due to a NULL, then we have one more token
        if( tmp < 6 )
            tmp++;

        // Process the command	i 表示输入命令的长度
        if( i )
        {
            if( *tok[0] == '?' || !stricmp( tok[0], "help" ) )
            {
              //  ConPrintf( VerStr );
                ConPrintf("\n[Help Command]\n\nThe basic commands are:\n");
                ConPrintf("  acct     - Manage PPP user accounts\n");
                ConPrintf("  bye      - Logoff the console\n");
                ConPrintf("  echo     - Perform echo test\n");
                ConPrintf("  help     - Displays this message\n");
                ConPrintf("  log      - Dump debug log entries\n");
                ConPrintf("  mem      - Display memory status\n");
                ConPrintf("  nslookup - Lookup hostname or IP address\n");
#ifdef _INCLUDE_PPPOE_CODE
                ConPrintf("  pppoe    - Invoke PPPOE client logon\n");
#endif
                ConPrintf("  pswd     - Change console password\n");
                ConPrintf("  ping     - Test echo request\n");
                ConPrintf("  quit     - Logoff the console\n");
                ConPrintf("  reboot   - Reboot system (terminates session)\n");
                ConPrintf("  route    - Maintain route table\n");
                ConPrintf("  test     - 测试各个命令\n");
                ConPrintf("  shutdown - Shutdown stack (terminates session)\n");
                ConPrintf("  socket   - Print socket table\n");
                ConPrintf("  stat     - Print internal stack statistics\n");
                ConPrintf("  tftp     - Test TFTP file transfer\n");
                ConPrintf("\nSome commands have additional help information. For example\n");
                ConPrintf("entering 'route' gives more information on the route command.\n\n");
            }
            else if( !stricmp( tok[0], "bye" ) || !stricmp( tok[0], "quit" ) )
                logon = 0;
            else if( !stricmp( tok[0], "route" ) )
                ConCmdRoute( tmp-1, tok[1], tok[2], tok[3], tok[4] );
            else if( !stricmp( tok[0], "acct" ) )
                ConCmdAcct( tmp-1, tok[1], tok[2], tok[3], tok[4] );
            else if( !stricmp( tok[0], "stat" ) )
                ConCmdStat( tmp-1, tok[1] );
            else if( !stricmp( tok[0], "nslookup" ) )
                ConCmdLookup( tmp-1, tok[1] );
            else if( !stricmp( tok[0], "ping" ) )
                ConCmdPing( tmp-1, tok[1], tok[2] );
            else if( !stricmp( tok[0], "echo" ) )
                ConCmdEcho( tmp-1, tok[1], tok[2] );
            else if( !stricmp( tok[0], "socket" ) )
                ConCmdSocket( tmp-1, tok[1] );
            else if( !stricmp( tok[0], "tftp" ) )
                ConCmdTFTP( tmp-1, tok[1], tok[2] );
            else if( !stricmp( tok[0], "test" ) )
                ConCmdTest( tmp-1, tok[1], tok[2] );
#ifdef _INCLUDE_PPPOE_CODE
            else if( !stricmp( tok[0], "pppoe" ) )
                ConCmdPPPOE( tmp-1, tok[1], tok[2], tok[3] );
#endif
            else if( !stricmp( tok[0], "reboot" ) )
                NC_NetStop(1);
            else if( !stricmp( tok[0], "shutdown" ) )
                NC_NetStop(0);
            else if( !stricmp( tok[0], "mem" ) )
                _mmCheck( MMCHECK_MAP, &ConPrintf );
            else if( !stricmp( tok[0], "pswd" ) )
            {
                if( tmp<2 || strlen(tok[1]) > 31 )
                    ConPrintf("Usage: pswd newpassword\n\n");
                else
                {
                    strcpy(Password,tok[1]);
                    ConPrintf("Console password is now '%s'\n\n",Password);
                }
            }
            else if( !stricmp( tok[0], "log" ) )
            {
               if( !DebugLogSize )
                   ConPrintf("\nThe debug log is empty\n\n");
               send( scon, DebugLog, DebugLogSize, 0 );
               DebugLogSize = 0;
            }
            else
                ConPrintf("Invalid command - Enter '?' or 'help' for a list of commands.\n");
        }
    }

    // Close the console
    ConPrintf("\nGoodbye\n");

    // Close console thread
    ConsoleClose();

    fdClose( scon );
    TaskExit();
}

//---------------------------------------------------------------------
// PPPOE Client Command
//---------------------------------------------------------------------
#ifdef _INCLUDE_PPPOE_CODE
static void     ConCmdPPPOE( int ntok, char *tok1, char *tok2, char *tok3 );
static char *callerr[] = { "Dropped", "LCP Failed", "Authorization Failed",
                           "IP Config Failed" };
static void ConCmdPPPOE( int ntok, char *tok1, char *tok2, char *tok3 )
{
    uint tmp;

    // Check for 'acct 1 userid password'
    if( ntok == 3 )
    {
        tmp = *tok1 - '0';
        if( tmp<1 || tmp>9 )
            goto ERROR;

        if( hPPPOE )
        {
            ConPrintf("\nSession already open\n\n");
            return;
        }

        // Initiate "call"
        hPPPOE = pppoeNew( IFIndexGetHandle(tmp),
                           PPPFLG_CLIENT | PPPFLG_OPT_USE_MSE, tok2, tok3 );

        if( !hPPPOE )
            ConPrintf("PPPOE Open failed\n");
        else while(1)
        {
            // Get status of call
            tmp = pppoeGetStatus( hPPPOE );

            // If disconnected, print message and close
            if( tmp >= SI_CSTATUS_DISCONNECT )
            {
                ConPrintf("Disconnected - '%s'\n", callerr[tmp-SI_CSTATUS_DISCONNECT]);
                goto DISCONNECT;
            }

            // If connected, print message and break
            if( tmp == SI_CSTATUS_CONNECTED )
            {
                ConPrintf("Connected\n");
                break;
            }

            // Else wait half a second and try again
            TaskSleep( 500 );
        }
    }
    // Check for 'close'
    else if( ntok == 1 && !stricmp( tok1, "close" ) )
    {
        if( !hPPPOE )
            ConPrintf("\nPPPOE not connected\n\n");
        else
        {
DISCONNECT:
            pppoeFree( hPPPOE );
            hPPPOE = 0;
            ConPrintf("\nPPPOE closed\n\n");
        }
    }
    else if( ntok == 0 )
    {
        ConPrintf("\n[PPPOE Command]\n");
        ConPrintf("\nCalled to invoke a PPPOE client session.\n\n");
        ConPrintf("pppoe 1 userid password - Connect on Ethernet If-1\n");
        ConPrintf("pppoe close             - Close PPPOE session\n\n");
    }
    else
    {
ERROR:
        ConPrintf("\nError in command. Type 'PPPOE' for usage.\n\n");
    }
}

#endif