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add connection timeouts for dps and hub #261

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Merged
merged 2 commits into from
Jun 30, 2021
Merged

add connection timeouts for dps and hub #261

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f55dd9c
add connection timeouts for dps and hub
ryanwinter Jun 30, 2021
97d68c0
Merge branch 'master' of github.com:azurertos/getting-started into us…
ryanwinter Jun 30, 2021
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8 changes: 6 additions & 2 deletions core/src/azure_iot_nx/azure_iot_nx_client.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,10 @@
#define MAX_EXPONENTIAL_BACKOFF_IN_SEC (10 * 60)
#define INITIAL_EXPONENTIAL_BACKOFF_IN_SEC 3

// Connection timeouts in seconds
#define HUB_CONNECT_TIMEOUT 10
#define DPS_REGISTER_TIMEOUT 20

static UINT exponential_backoff_with_jitter(UINT* exponential_retry_count)
{
float jitter_percent = (MAX_EXPONENTIAL_BACKOFF_JITTER_PERCENT / 100.0f) * (rand() / ((float)RAND_MAX));
Expand Down Expand Up @@ -66,7 +70,7 @@ static VOID connection_status_callback(NX_AZURE_IOT_HUB_CLIENT* hub_client_ptr,
{
printf("Reconnecting to IoT Hub ...\r\n");

if ((connect_status = nx_azure_iot_hub_client_connect(hub_client_ptr, NX_TRUE, NX_WAIT_FOREVER)))
if ((connect_status = nx_azure_iot_hub_client_connect(hub_client_ptr, NX_TRUE, HUB_CONNECT_TIMEOUT * TX_TIMER_TICKS_PER_SECOND)))
{
printf("Failed reconnect on nx_azure_iot_hub_client_connect (0x%08x)\r\n", connect_status);
tx_thread_sleep(exponential_backoff_with_jitter(&retry_count));
Expand Down Expand Up @@ -626,7 +630,7 @@ UINT azure_iot_nx_client_dps_create(AZURE_IOT_NX_CONTEXT* context, CHAR* dps_id_
}

// Register device
else if ((status = nx_azure_iot_provisioning_client_register(&context->dps_client, NX_WAIT_FOREVER)))
else if ((status = nx_azure_iot_provisioning_client_register(&context->dps_client, DPS_REGISTER_TIMEOUT * TX_TIMER_TICKS_PER_SECOND)))
{
printf("ERROR: nx_azure_iot_provisioning_client_register (0x%08x)\r\n", status);
}
Expand Down