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Fix: change subscription QoS to 1 in mqtt_demo_basic_tls demo for AWS IoT Core compatibility #1941

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Fix: change subscription QoS to 1 in mqtt_demo_basic_tls demo for AWS IoT Core compatibility #1941

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11 changes: 7 additions & 4 deletions demos/mqtt/mqtt_demo_basic_tls/mqtt_demo_basic_tls.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1093,7 +1093,8 @@ static int subscribeToTopic( MQTTContext_t * pMqttContext )
( void ) memset( ( void * ) pGlobalSubscriptionList, 0x00, sizeof( pGlobalSubscriptionList ) );

/* This example subscribes to only one topic and uses QOS2. */
pGlobalSubscriptionList[ 0 ].qos = MQTTQoS2;
/* AWS IoT Core does not support QoS2. Use QoS1 instead to avoid SSL_read failure. */
pGlobalSubscriptionList[ 0 ].qos = MQTTQoS1;
pGlobalSubscriptionList[ 0 ].pTopicFilter = MQTT_EXAMPLE_TOPIC;
pGlobalSubscriptionList[ 0 ].topicFilterLength = MQTT_EXAMPLE_TOPIC_LENGTH;

Expand Down Expand Up @@ -1135,8 +1136,9 @@ static int unsubscribeFromTopic( MQTTContext_t * pMqttContext )
( void ) memset( ( void * ) pGlobalSubscriptionList, 0x00, sizeof( pGlobalSubscriptionList ) );

/* This example subscribes to and unsubscribes from only one topic
* and uses QOS2. */
pGlobalSubscriptionList[ 0 ].qos = MQTTQoS2;
* and uses QOS2. */
/* AWS IoT Core does not support QoS2. Use QoS1 instead to avoid SSL_read failure. */
pGlobalSubscriptionList[ 0 ].qos = MQTTQoS1;
pGlobalSubscriptionList[ 0 ].pTopicFilter = MQTT_EXAMPLE_TOPIC;
pGlobalSubscriptionList[ 0 ].topicFilterLength = MQTT_EXAMPLE_TOPIC_LENGTH;

Expand Down Expand Up @@ -1188,7 +1190,8 @@ static int publishToTopic( MQTTContext_t * pMqttContext )
else
{
/* This example publishes to only one topic and uses QOS2. */
outgoingPublishPackets[ publishIndex ].pubInfo.qos = MQTTQoS2;
/* AWS IoT Core does not support QoS2. Use QoS1 instead to avoid SSL_read failure. */
outgoingPublishPackets[ publishIndex ].pubInfo.qos = MQTTQoS1;
outgoingPublishPackets[ publishIndex ].pubInfo.pTopicName = MQTT_EXAMPLE_TOPIC;
outgoingPublishPackets[ publishIndex ].pubInfo.topicNameLength = MQTT_EXAMPLE_TOPIC_LENGTH;
outgoingPublishPackets[ publishIndex ].pubInfo.pPayload = MQTT_EXAMPLE_MESSAGE;
Expand Down