IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SetOption(TRANSPORT_HANDLE handle, const char* option, const void* value)
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
IOTHUB_CLIENT_RESULT result;
if (
(handle == NULL) ||
(option == NULL) ||
(value == NULL)
)
{
result = IOTHUB_CLIENT_INVALID_ARG;
LogError("invalid parameter (NULL) passed to clientTransportAMQP_SetOption\r\n");
}
else
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */
if (strcmp("logtrace", option) == 0)
{
MQTTTRANSPORT_HANDLE_DATA* transportState = (MQTTTRANSPORT_HANDLE_DATA*)handle;
bool* traceVal = (bool*)value;
mqtt_client_set_trace(transportState->mqttClient, *traceVal, *traceVal);
result = IOTHUB_CLIENT_OK;
}
else
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG if the option parameter is not a known option string*] */
result = IOTHUB_CLIENT_INVALID_ARG;
}
}
return result;
}
IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SetOption(TRANSPORT_HANDLE handle, const char* option, const void* value)
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
IOTHUB_CLIENT_RESULT result;
if (
(handle == NULL) ||
(option == NULL) ||
(value == NULL)
)
{
result = IOTHUB_CLIENT_INVALID_ARG;
LogError("invalid parameter (NULL) passed to clientTransportAMQP_SetOption\r\n");
}
else
{
MQTTTRANSPORT_HANDLE_DATA* transportState = (MQTTTRANSPORT_HANDLE_DATA*)handle;
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */
if (strcmp("logtrace", option) == 0)
{
bool* traceVal = (bool*)value;
mqtt_client_set_trace(transportState->mqttClient, *traceVal, *traceVal);
result = IOTHUB_CLIENT_OK;
}
else if (strcmp("keepalive", option) == 0)
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_036: [If the option parameter is set to "keepalive" then the value shall be a int_ptr and the value will determine the mqtt keepalive time that is set for pings.] */
int* keepAliveOption = (int*)value;
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_037 : [If the option parameter is set to supplied int_ptr keepalive is the same value as the existing keepalive then IoTHubTransportMqtt_SetOption shall do nothing.] */
if (*keepAliveOption != transportState->keepAliveValue)
{
transportState->keepAliveValue = *keepAliveOption;
if (transportState->connected)
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_038: [If the client is connected when the keepalive is set then IoTHubTransportMqtt_SetOption shall disconnect and reconnect with the specified keepalive value.] */
DisconnectFromClient(transportState);
}
}
result = IOTHUB_CLIENT_OK;
}
else
{
/* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG if the option parameter is not a known option string*] */
result = IOTHUB_CLIENT_INVALID_ARG;
}
}
return result;
}
static int create_connection(PROV_TRANSPORT_MQTT_INFO* mqtt_info)
{
int result;
MQTT_CLIENT_OPTIONS options = { 0 };
char* username_info;
if ((username_info = construct_username(mqtt_info)) == NULL)
{
LogError("Failure creating username info");
result = __FAILURE__;
}
else if (construct_transport(mqtt_info))
{
LogError("Failure constructing transport");
free(username_info);
result = __FAILURE__;
}
else
{
(void)mqtt_client_set_trace(mqtt_info->mqtt_client, mqtt_info->log_trace, false);
options.username = username_info;
options.clientId = mqtt_info->registration_id;
options.useCleanSession = 1;
options.log_trace = mqtt_info->log_trace;
options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE;
if (mqtt_client_connect(mqtt_info->mqtt_client, mqtt_info->transport_io, &options) != 0)
{
xio_destroy(mqtt_info->transport_io);
mqtt_info->transport_io = NULL;
LogError("Failure connecting to mqtt server");
result = __FAILURE__;
}
else
{
result = 0;
}
free(username_info);
}
return result;
}
int prov_transport_common_mqtt_set_trace(PROV_DEVICE_TRANSPORT_HANDLE handle, bool trace_on)
{
int result;
if (handle == NULL)
{
/* Tests_PROV_TRANSPORT_MQTT_COMMON_07_023: [ If handle is NULL, prov_transport_common_mqtt_set_trace shall return a non-zero value. ] */
LogError("Invalid parameter specified handle: %p", handle);
result = __FAILURE__;
}
else
{
PROV_TRANSPORT_MQTT_INFO* mqtt_info = (PROV_TRANSPORT_MQTT_INFO*)handle;
/* Tests_PROV_TRANSPORT_MQTT_COMMON_07_024: [ prov_transport_common_mqtt_set_trace shall set the log_trace variable to trace_on. ]*/
mqtt_info->log_trace = trace_on;
if (mqtt_info->mqtt_client != NULL)
{
/* Tests_PROV_TRANSPORT_MQTT_COMMON_07_059: [ If the umqtt connection is not NULL, prov_transport_common_mqtt_set_trace shall set the trace option on that connection. ] */
mqtt_client_set_trace(mqtt_info->mqtt_client, mqtt_info->log_trace, false);
}
result = 0;
}
return result;
}
