Hello,
I'm using the mqtt_simple example with the following changes to add WebSockets Secure Support:
# Networking CONFIG_NET_NATIVE=y # MQTT CONFIG_MQTT_LIB_TLS=y CONFIG_MQTT_LIB_WEBSOCKET=y CONFIG_WEBSOCKET_CLIENT=y # Logs CONFIG_NET_LOG=y CONFIG_MQTT_LOG_LEVEL_DBG=y
Also I set the Application MQTT topics, clientId, host, port and everything using the CONFIG.
The only change I made in the code was this:
client->transport.type = MQTT_TRANSPORT_SECURE_WEBSOCKET;
The issue is that our Amazon AWS IoT broker url is very long, exactly 1.681 bytes, this is because Amazon give us a url with the token and all the credentials embedded in the url. When I run the code I'm seeing a ENOMEM (-12) when calling the mqtt_connect function.
This is the log:
*** Booting Zephyr OS build v2.4.0-ncs1 *** The MQTT simple sample started Provisioning certificates LTE Link Connecting ...<CR><LF> +CEREG: 2,"3174","02D71604",7,0,0,"11100000","11100000" +CSCON: 1 +CEREG: 1,"3174","02D71604",7,,,"11100000","11100000" LTE Link Connected! IPv4 Address found 3.211.121.218 ERROR: mqtt_connect -12 [00:00:03.320,220] <ESC>[0m<dbg> net_mqtt.client_connect: (0x20020e08): Using transport type 3<ESC>[0m [00:00:03.320,587] <ESC>[0m<dbg> net_mqtt_sock_tls.mqtt_client_tls_connect: (0x20020e08): Created socket 1<ESC>[0 [00:00:03.321,044] <ESC>[0m<dbg> net_mqtt_websocket.mqtt_client_websocket_connect: (0x20020e08): mqtt_client_tls_connect: -12<ESC>[0m [00:00:03.321,075] <ESC>[0m<dbg> net_mqtt.mqtt_connect: (0x20020e08): client_connect: -12<ESC>[0m
I was able to debug the error to the following function in mqtt_transport_socket_tls.c
int mqtt_client_tls_connect(struct mqtt_client *client)
{
.
.
.
if (tls_config->hostname) {
ret = setsockopt(client->transport.tls.sock, SOL_TLS,
TLS_HOSTNAME, tls_config->hostname,
strlen(tls_config->hostname));
if (ret < 0) {
goto error;
}
}
.
.
.
}
So my question is how I can somehow increase the memory that the setsockopt function uses when setting the hostname on the socket.
I already tested increasing the main stack and heap memory using the CONFIG with no luck.
# Memory CONFIG_MAIN_STACK_SIZE=8192 CONFIG_HEAP_MEM_POOL_SIZE=16384
Btw I'm using NCS v1.4.0 and modem fw 1.2.3.
Any help will be appreciated.
Thanks!
