//------------------------------------------------------------------------------
void MobiCoreDriverDaemon::processOpenDevice(Connection *connection)
{
MC_DRV_CMD_OPEN_DEVICE_struct cmdOpenDevice;
RECV_PAYLOAD_FROM_CLIENT(connection, &cmdOpenDevice);
// Check if device has been registered to the connection
MobiCoreDevice *device = (MobiCoreDevice *) (connection->connectionData);
if (NULL != device) {
LOG_E("processOpenDevice(): device already set");
writeResult(connection, MC_DRV_ERR_DEVICE_ALREADY_OPEN);
return;
}
LOG_I(" Opening deviceId %d ", cmdOpenDevice.deviceId);
// Get device for device ID
device = getDevice(cmdOpenDevice.deviceId);
// Check if a device for the given name has been found
if (device == NULL) {
LOG_E("invalid deviceId");
writeResult(connection, MC_DRV_ERR_UNKNOWN_DEVICE);
return;
}
// Register device object with connection
device->open(connection);
// Return result code to client lib (no payload)
writeResult(connection, MC_DRV_OK);
}
//------------------------------------------------------------------------------
void MobiCoreDriverDaemon::processOpenDevice(
Connection *connection
) {
do
{
// Read entire command data
mcDrvCmdOpenDevicePayload_t cmdOpenDevicePayload;
uint32_t rlen = connection->readData(
&(cmdOpenDevicePayload),
sizeof(cmdOpenDevicePayload));
if (rlen != sizeof(cmdOpenDevicePayload))
{
LOG_E("processOpenDevice(): OpenSession length error: %d", rlen);
writeResult(connection, MC_DRV_RSP_PAYLOAD_LENGTH_ERROR);
break;
}
// Check if device has been registered to the connection
MobiCoreDevice *device = (MobiCoreDevice *) (connection->connectionData);
if (NULL != device)
{
LOG_E("processOpenDevice(): device already set");
writeResult(connection, MC_DRV_RSP_DEVICE_ALREADY_OPENED);
break;
}
LOG_I("processOpenDevice(): deviceId is %d",
cmdOpenDevicePayload.deviceId);
// Get device for device ID
device = getDevice(cmdOpenDevicePayload.deviceId);
// Check if a device for the given name has been found
if (NULL == device)
{
LOG_E("invalid deviceId");
writeResult(connection, MC_DRV_INVALID_DEVICE_NAME);
break;
}
// Register device object with connection
if (false == device->open(connection))
{
LOG_E("processOpenDevice(): device->open() failed");
writeResult(connection, MC_DRV_RSP_FAILED);
break;
}
// Return result code to client lib (no payload)
writeResult(connection, MC_DRV_RSP_OK);
} while (false);
}