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Maximum connections for websockets listener #271

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Sep 29, 2016
Merged

Maximum connections for websockets listener #271

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Maximum connections for websockets listener 
Check current number of connections before accepting new websockets clients.

Signed-off-by: tucic <[email protected]>
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@tucic
tucic committed Sep 16, 2016
commit 393d8bce6f3d966e1ace9fa5144d9ed170c60624
11 changes: 10 additions & 1 deletion src/websockets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,10 @@ static int callback_mqtt(struct libwebsocket_context *context,
}
}
}

if(!mosq->listener){
_mosquitto_free(mosq);
return -1;
}
#if !defined(LWS_LIBRARY_VERSION_NUMBER)
mosq->ws_context = context;
#endif
Expand All @@ -209,6 +212,12 @@ static int callback_mqtt(struct libwebsocket_context *context,
u->mosq = NULL;
return -1;
}
if(mosq->listener->max_connections > 0 && mosq->listener->client_count > mosq->listener->max_connections){
_mosquitto_log_printf(NULL, MOSQ_LOG_NOTICE, "Client connection from %s denied: max_connections exceeded.", mosq->address);
_mosquitto_free(mosq);
u->mosq = NULL;
return -1;
}
break;

case LWS_CALLBACK_CLOSED:
Expand Down