C++ (Cpp) serial_process_irp_read示例

示例#1

文件： serial_main.c 项目： rafcabezas/FreeRDP

static void __serial_check_fds(SERIAL_DEVICE* serial)
{
    IRP* irp;
    IRP* prev;
    SERIAL_TTY* tty;
    uint32 result = 0;

    memset(&serial->tv, 0, sizeof(struct timeval));
    tty = serial->tty;

    /* scan every pending */
    irp = list_peek(serial->pending_irps);
    while (irp)
    {
        DEBUG_SVC("MajorFunction %u", irp->MajorFunction);

        switch (irp->MajorFunction)
        {
        case IRP_MJ_READ:
            if (FD_ISSET(tty->fd, &serial->read_fds))
            {
                irp->IoStatus = STATUS_SUCCESS;
                serial_process_irp_read(serial, irp);
            }
            break;

        case IRP_MJ_WRITE:
            if (FD_ISSET(tty->fd, &serial->write_fds))
            {
                irp->IoStatus = STATUS_SUCCESS;
                serial_process_irp_write(serial, irp);
            }
            break;

        case IRP_MJ_DEVICE_CONTROL:
            if (serial_tty_get_event(tty, &result))
            {
                DEBUG_SVC("got event result %u", result);

                irp->IoStatus = STATUS_SUCCESS;
                stream_write_uint32(irp->output, result);
                irp->Complete(irp);
            }
            break;

        default:
            DEBUG_SVC("no request found");
            break;
        }

        prev = irp;
        irp = (IRP*)list_next(serial->pending_irps, irp);
        if (prev->IoStatus == STATUS_SUCCESS)
        {
            list_remove(serial->pending_irps, prev);
            wait_obj_set(serial->in_event);
        }
    }
}

示例#2

文件： serial_main.c 项目： 99455125/FreeRDP

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT serial_process_irp(SERIAL_DEVICE* serial, IRP* irp)
{
	UINT error = CHANNEL_RC_OK;
	WLog_Print(serial->log, WLOG_DEBUG,
	           "IRP MajorFunction: 0x%08"PRIX32" MinorFunction: 0x%08"PRIX32"\n",
	           irp->MajorFunction, irp->MinorFunction);

	switch (irp->MajorFunction)
	{
		case IRP_MJ_CREATE:
			error = serial_process_irp_create(serial, irp);
			break;

		case IRP_MJ_CLOSE:
			error = serial_process_irp_close(serial, irp);
			break;

		case IRP_MJ_READ:
			if ((error = serial_process_irp_read(serial, irp)))
				WLog_ERR(TAG, "serial_process_irp_read failed with error %"PRIu32"!", error);

			break;

		case IRP_MJ_WRITE:
			error = serial_process_irp_write(serial, irp);
			break;

		case IRP_MJ_DEVICE_CONTROL:
			if ((error = serial_process_irp_device_control(serial, irp)))
				WLog_ERR(TAG, "serial_process_irp_device_control failed with error %"PRIu32"!",
				         error);

			break;

		default:
			irp->IoStatus = STATUS_NOT_SUPPORTED;
			break;
	}

	return error;
}

示例#3

static void __serial_check_fds(SERIAL_DEVICE* serial)
{
	IRP* irp;
	IRP* prev;
	SERIAL_TTY* tty;
	UINT32 result = 0;
	BOOL irp_completed = FALSE;

	ZeroMemory(&serial->tv, sizeof(struct timeval));
	tty = serial->tty;
	if(!tty)
	{
		DEBUG_WARN("tty = %p", tty);
		return;
	}

	/* scan every pending */
	irp = list_peek(serial->pending_irps);

	while (irp)
	{
		DEBUG_SVC("MajorFunction %u", irp->MajorFunction);

		switch (irp->MajorFunction)
		{
			case IRP_MJ_READ:
				if (FD_ISSET(tty->fd, &serial->read_fds))
				{
					irp->IoStatus = STATUS_SUCCESS;
					serial_process_irp_read(serial, irp);
					irp_completed = TRUE;
				}
				break;

			case IRP_MJ_WRITE:
				if (FD_ISSET(tty->fd, &serial->write_fds))
				{
					irp->IoStatus = STATUS_SUCCESS;
					serial_process_irp_write(serial, irp);
					irp_completed = TRUE;
				}
				break;

			case IRP_MJ_DEVICE_CONTROL:
				if (serial_tty_get_event(tty, &result))
				{
					DEBUG_SVC("got event result %u", result);

					irp->IoStatus = STATUS_SUCCESS;
					Stream_Write_UINT32(irp->output, result);
					irp->Complete(irp);
					irp_completed = TRUE;
				}
				break;

			default:
				DEBUG_SVC("no request found");
				break;
		}

		prev = irp;
		irp = (IRP*) list_next(serial->pending_irps, irp);

		if (irp_completed || (prev->IoStatus == STATUS_SUCCESS))
			list_remove(serial->pending_irps, prev);
	}
}