Пример #1
0
void RemoteDisco( void )
{
    int         i;

    DosSleep( 500 );    /* make sure last packet gets sent */
    Listening = 0;
    _INITSPXECB( Conn, 1, 0, 0 );
    if( SpxTerminateConnection( Connection, &ConnECB ) == 0 ) {
        while( InUse( ConnECB ) ) IPXRelinquishControl();
    }
    for( i = NUM_REC_BUFFS-1; i >= 0; --i ) {
        if( InUse( RecECB[i] ) ) {
            SpxCancelPacket( &RecECB[i] );
        }
    }
    if( InUse( SendECB ) ) {
        SpxCancelPacket( &SendECB );
    }
    for( i = NUM_REC_BUFFS-1; i >= 0; --i ) {
        ZeroArray( RecHead[i] );
        ZeroArray( RecECB[i] );
    }
    ZeroArray( ConnHead );
    ZeroArray( SendHead );
    ZeroArray( ConnECB );
    ZeroArray( SendECB );
}
Пример #2
0
void RemoteUnLink( void )
{
#ifdef SERVER
    ServerDie = DIE_WANT;
#endif
    IpxCloseSocket( IPXSocket );
#ifdef SERVER
    DosSemClear( &BroadCastStop );
    if( InUse( ConnECB ) ) {
        SpxCancelPacket( &ConnECB );
    }
    while( ServerDie != (DIE_WANT|DIE_BROADCAST|DIE_RESPOND) )  {
        IPXRelinquishControl();
    }
#endif
    SpxCloseSocket( SPXSocket );
}
Пример #3
0
char RemoteConnect( void )
{
    WORD        rc;
    #ifdef SERVER
        if( !Listening ) {
            _INITSPXECB( Conn, 1, 0, 0 );
            rc = SpxListenForConnection( SPXSocket, &ConnECB, 0, 0, &Connection );
            putrc( "SPXListenForConnection", rc );
            Listening = 1;
        } else if( !InUse( ConnECB ) ) {
            PostListens();
            return( 1 );
        }
        IPXRelinquishControl();
    #else
putstring( "RemoteConnect\r\n" );
        _INITSPXECB( Send, 1, NULL, 0 );
        if( ( rc = SpxEstablishConnection( SPXSocket, &SendECB,
                                    0, 0x10, &Connection ) ) == 0 ) {
            int i;

            for( i = 1; i < 20; ++i ) {
putstring( "RemoteConnect loop\r\n" );
                if( !InUse( SendECB ) ) {
                    PostListens();
putstring( "RemoteConnect loop done\r\n" );
                    return( 1 );
                }
                DosSleep( 100 );        /* 20 * 100 is approx 2 seconds */
            }
putstring( "RemoteConnect aborting\r\n" );
            rc = SpxAbortConnection( Connection );
            putrc( "SPXAbortConnection", rc );
        } else {
            putrc( "SPXEstablishConnection", rc );
        }
    #endif
    return( 0 );
}
Пример #4
0
int ipx_int7a(void)
{
  u_short port;			/* port here means DOS IPX socket */
  u_short newPort;
  u_char *AddrPtr;
  far_t ECBPtr;
  unsigned long network;
  int hops, ticks;

  n_printf("IPX: request number 0x%x\n", LWORD(ebx));
  switch (LWORD(ebx)) {
  case IPX_OPEN_SOCKET:
    if (LO(ax) != 0xff)
      n_printf("IPX: OpenSocket: longevity flag (%#x) not supported\n", LO(ax));
    port = LWORD(edx);
    newPort = 0;
    LO(ax) = IPXOpenSocket(port, &newPort);
    if (LO(ax) == RCODE_SUCCESS)
      LWORD(edx) = newPort;
    break;
  case IPX_CLOSE_SOCKET:
    port = LWORD(edx);
    LO(ax) = IPXCloseSocket(port);
    break;
  case IPX_GET_LOCAL_TARGET:
    /* do nothing here because routing is handled by IPX */
    /* normally this would return an ImmediateAddress, but */
    /* the ECB ImmediateAddress is never used, so just return */
    network = READ_DWORD(SEGOFF2LINEAR(REG(es), LWORD(esi)));
    n_printf("IPX: GetLocalTarget for network %08lx\n", network );
    if( network==0 || memcmp(&network, MyAddress, 4) == 0 ) {
      n_printf("IPX: returning GLT success for local address\n");
      LO(ax) = RCODE_SUCCESS;
      LWORD(ecx) = 1;
    } else {
      if( IPXGetLocalTarget( network, &hops, &ticks )==0 ) {
        LO(ax) = RCODE_SUCCESS;
        LWORD(ecx) = ticks;
      } else {
        n_printf("IPX: GetLocalTarget failed.\n");
        LO(ax) = RCODE_CANNOT_FIND_ROUTE;
      }
    }
    break;
  case IPX_FAST_SEND:
    n_printf("IPX: fast send\n");
    /* just fall through to regular send */
  case IPX_SEND_PACKET: {
    int ret;
    ECBPtr.segment = REG(es);
    ECBPtr.offset = LWORD(esi);
    n_printf("IPX: send packet ECB at %p\n", ECBp);
    /* What the hell is the async send? Do it synchroniously! */
    ret = IPXSendPacket(ECBPtr);
    if ((ret == RCODE_SUCCESS) && FARt_PTR(ECBp->ESRAddress))
      ipx_esr_call(ECBPtr, ESR_CALLOUT_IPX);
    LO(ax) = ret;
    break;
  }
  case IPX_LISTEN_FOR_PACKET:
    ECBPtr.segment = REG(es);
    ECBPtr.offset = LWORD(esi);
    n_printf("IPX: listen for packet, ECB at %x:%x\n",
	     ECBPtr.segment, ECBPtr.offset);
    /* put this packet on the queue of listens for this socket */
    LO(ax) = IPXListenForPacket(ECBPtr);
    break;
  case IPX_SCHEDULE_IPX_EVENT:
    ECBPtr.segment = REG(es);
    ECBPtr.offset = LWORD(esi);
    n_printf("IPX: schedule IPX event for ECB at %x:%x\n",
	     ECBPtr.segment, ECBPtr.offset);
    /* put this packet on the queue of AES events for this socket */
    LO(ax) = IPXScheduleEvent(ECBPtr, IU_ECB_IPX_WAITING,
			      LWORD(eax));
    break;
  case IPX_CANCEL_EVENT:
    ECBPtr.segment = REG(es);
    ECBPtr.offset = LWORD(esi);
    n_printf("IPX: cancel event for ECB at %p\n", ECBp);
    LO(ax) = IPXCancelEvent(ECBPtr);
    break;
  case IPX_SCHEDULE_AES_EVENT:
    ECBPtr.segment = REG(es);
    ECBPtr.offset = LWORD(esi);
    n_printf("IPX: schedule AES event ECB at %p\n", FARt_PTR(ECBPtr));
    /* put this packet on the queue of AES events for this socket */
    LO(ax) = IPXScheduleEvent(ECBPtr, IU_ECB_AES_WAITING,
			      LWORD(eax));
    break;
  case IPX_GET_INTERVAL_MARKER:
    /* Note that timerticks is actually an unsigned long in BIOS */
    /* this works because of intel lo-hi architecture */
    LWORD(eax) = READ_WORD(BIOS_TICK_ADDR);
    n_printf("IPX: get interval marker %d\n", LWORD(eax));
    /*			n_printf("IPX: doing extra relinquish control\n"); */
    IPXRelinquishControl();
    break;
  case IPX_GET_INTERNETWORK_ADDRESS:
    n_printf("IPX: get internetwork address\n");
    AddrPtr = SEG_ADR((u_char *), es, si);
    memcpy(AddrPtr, MyAddress, 10);
    break;
  case IPX_RELINQUISH_CONTROL:
    n_printf("IPX: relinquish control\n");
    IPXRelinquishControl();
    break;
  case IPX_DISCONNECT:
    n_printf("IPX: disconnect\n");
    break;
  case IPX_SHELL_HOOK:
    n_printf("IPX: shell hook\n");
    break;
  case IPX_GET_MAX_PACKET_SIZE:
    n_printf("IPX: get max packet size\n");
    /* return max data size in AX, and suggested retries in CL */
    /* DANG_FIXTHIS - return a real max packet size here */
    LWORD(eax) = 1024;		/* must be a power of 2 */
    LO(cx) = 20;
    break;
  case IPX_GET_MEDIA_DATA_SIZE:
    n_printf("IPX: get max packet size\n");
    /* return max data size in AX, and suggested retries in CL */
    /* DANG_FIXTHIS - return a real max media size here */
    LWORD(eax) = 1480;
    LO(cx) = 20;
    break;
  case IPX_CLEAR_SOCKET:
    n_printf("IPX: clear socket\n");
    break;
  default:
    n_printf("IPX: Unimplemented function.\n");
    break;
  }
  return 1;
}