Axel Lin 0a1d9d0300 mqtt: Add esp_mqtt_client_get_outbox_size API ...

Allow application to get current outbox_size.
Application may try to send many publish request for a long period and then
system can hit OOM when publish QoS>1 with a busy borker.
Reduce OUTBOX_EXPIRED_TIMEOUT_MS does not help too much because the publish
freauency depends on the data received in different environment.
i.e. In some environment, sometimes it's easy to hit OOM before reaching OUTBOX_EXPIRED_TIMEOUT_MS.

To avoid such issue, add esp_mqtt_client_get_outbox_size API, so the application
can stop publishing to avoid OOM when outbox takes too much memory.

Signed-off-by: Axel Lin <axel.lin@ingics.com>

2020-11-11 17:13:32 +08:00

..

mqtt_client.h

mqtt: Add esp_mqtt_client_get_outbox_size API

2020-11-11 17:13:32 +08:00

mqtt_config.h

mqtt: deleted expired messages even when offline

2020-08-10 16:42:32 +08:00

mqtt_supported_features.h

mqtt: Add support for Digital Signature (through ESP-TLS)

2020-08-18 11:55:43 +05:30