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client: queued oversized messaged even if not connected

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This commit is contained in:
David Cermak
2020-01-17 20:32:32 +01:00
parent f7941e29be
commit ed90a64551
1 changed files with 9 additions and 13 deletions
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22
mqtt_client.c
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@ -1496,8 +1496,8 @@ int esp_mqtt_client_publish(esp_mqtt_client_handle_t client, const char *topic,
return -1;
}
/* We have to set as pending all the qos>0 messages */
client->mqtt_state.outbound_message = publish_msg;
if (qos > 0) {
client->mqtt_state.outbound_message = publish_msg;
client->mqtt_state.pending_msg_type = mqtt_get_type(client->mqtt_state.outbound_message->data);
client->mqtt_state.pending_msg_id = pending_msg_id;
client->mqtt_state.pending_publish_qos = qos;
@ -1505,9 +1505,10 @@ int esp_mqtt_client_publish(esp_mqtt_client_handle_t client, const char *topic,
// by default store as QUEUED (not transmitted yet) only for messages which would fit outbound buffer
if (client->mqtt_state.mqtt_connection.message.fragmented_msg_total_length == 0) {
mqtt_enqueue(client);
} else {
int first_fragment = client->mqtt_state.outbound_message->length - client->mqtt_state.outbound_message->fragmented_msg_data_offset;
mqtt_enqueue_oversized(client, ((uint8_t *)data) + first_fragment, len - first_fragment);
}
} else {
client->mqtt_state.outbound_message = publish_msg;
}
/* Skip sending if not connected (rely on resending) */
@ -1530,22 +1531,14 @@ int esp_mqtt_client_publish(esp_mqtt_client_handle_t client, const char *topic,
}
int data_sent = client->mqtt_state.outbound_message->length - client->mqtt_state.outbound_message->fragmented_msg_data_offset;
client->mqtt_state.outbound_message->fragmented_msg_data_offset = 0;
client->mqtt_state.outbound_message->fragmented_msg_total_length = 0;
remaining_len -= data_sent;
current_data += data_sent;
if (remaining_len > 0) {
mqtt_connection_t *connection = &client->mqtt_state.mqtt_connection;
ESP_LOGD(TAG, "Sending fragmented message, remains to send %d bytes of %d", remaining_len, len);
if (connection->message.fragmented_msg_data_offset) {
// asked to enqueue oversized message (first time only)
connection->message.fragmented_msg_data_offset = 0;
connection->message.fragmented_msg_total_length = 0;
if (qos > 0) {
// internally enqueue all big messages, as they dont fit 'pending msg' structure
mqtt_enqueue_oversized(client, (uint8_t *)current_data, remaining_len);
}
}
if (remaining_len > connection->buffer_length) {
// Continue with sending
memcpy(connection->buffer, current_data, connection->buffer_length);
@ -1573,10 +1566,13 @@ int esp_mqtt_client_publish(esp_mqtt_client_handle_t client, const char *topic,
return pending_msg_id;
cannot_publish:
// clear out possible fragmented publish if failed or skipped
client->mqtt_state.outbound_message->fragmented_msg_total_length = 0;
if (qos == 0) {
ESP_LOGW(TAG, "Publish: Losing qos0 data when client not connected");
}
MQTT_API_UNLOCK(client);
return ret;
}