Azure SDK initialization

azure_sdk_init.c

int  keep_alive_interval_sec = 60;
uint32_t azure_message_timeout_msec = 60 * 1000;

boolean azure_log_trace = TRUE;

assert(platform_init() == 0);
/* Initialize a low-level client */
azure_ctx->azct_client = IoTHubClient_LL_CreateFromConnectionString(
  connection_string, CAT_AZURE_PROTOCOL);
assert(NULL != azure_ctx->azct_client);

/* Enable logging */
iot_hub_ret = IoTHubClient_LL_SetOption(azure_ctx->azct_client,
                                       OPTION_LOG_TRACE,
                                       &azure_log_trace);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);

/* Keep the connection alive */
iot_hub_ret = IoTHubClient_LL_SetOption(azure_ctx->azct_client,
                                       OPTION_KEEP_ALIVE,
                                       &keep_alive_interval_sec);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
/* Set message timeout */
iot_hub_ret = IoTHubClient_LL_SetOption(azure_ctx->azct_client,
                                       OPTION_MESSAGE_TIMEOUT,
                                       &azure_message_timeout_msec);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
/* Assign certificates */
iot_hub_ret = IoTHubClient_LL_SetOption(azure_ctx->azct_client,
                                       OPTION_X509_CERT,
                                       certificates);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
/* Assign private key */
iot_hub_ret = IoTHubClient_LL_SetOption(azure_ctx->azct_client,
                                       OPTION_X509_PRIVATE_KEY,
                                       private_key);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);

/* Set retry policy */
iot_hub_ret = IoTHubClient_LL_SetRetryPolicy(azure_ctx->azct_client,
                                            IOTHUB_CLIENT_RETRY_INTERVAL,
                                            0);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);

/* Setup callbacks */
iot_hub_ret = IoTHubClient_LL_SetMessageCallback(azure_ctx->azct_client,
                                                s_azure_receive_message_cb,
                                                azure_ctx);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
iot_hub_ret = IoTHubClient_LL_SetConnectionStatusCallback(
                                         azure_ctx->azct_client,
                                         s_azure_client_connection_status_cb,
                                         azure_ctx);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
iot_hub_ret = IoTHubClient_LL_SetDeviceMethodCallback(
                                                    azure_ctx->azct_client,
                                                    s_azure_device_method_cb,
                                                    azure_ctx);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);
iot_hub_ret = IoTHubClient_LL_SetDeviceTwinCallback(azure_ctx->azct_client,
                                                   s_azure_device_twin_cb,
                                                   azure_ctx);
assert(IOTHUB_CLIENT_OK == iot_hub_ret);