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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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Copyright (c) 2009-2020 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License 2.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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https://www.eclipse.org/legal/epl-2.0/
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include "mosquitto_broker_internal.h"
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#include "mqtt_protocol.h"
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#include "memory_mosq.h"
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#include "packet_mosq.h"
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#include "read_handle.h"
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#include "send_mosq.h"
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#include "sys_tree.h"
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#include "util_mosq.h"
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int handle__packet(struct mosquitto *context)
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{
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int rc = MOSQ_ERR_INVAL;
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if(!context) return MOSQ_ERR_INVAL;
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switch((context->in_packet.command)&0xF0){
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case CMD_PINGREQ:
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rc = handle__pingreq(context);
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break;
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case CMD_PINGRESP:
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rc = handle__pingresp(context);
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break;
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case CMD_PUBACK:
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rc = handle__pubackcomp(context, "PUBACK");
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break;
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case CMD_PUBCOMP:
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rc = handle__pubackcomp(context, "PUBCOMP");
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break;
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case CMD_PUBLISH:
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rc = handle__publish(context);
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break;
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case CMD_PUBREC:
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rc = handle__pubrec(context);
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break;
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case CMD_PUBREL:
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rc = handle__pubrel(context);
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break;
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case CMD_CONNECT:
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return handle__connect(context);
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case CMD_DISCONNECT:
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rc = handle__disconnect(context);
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break;
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case CMD_SUBSCRIBE:
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rc = handle__subscribe(context);
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break;
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case CMD_UNSUBSCRIBE:
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rc = handle__unsubscribe(context);
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break;
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#ifdef WITH_BRIDGE
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case CMD_CONNACK:
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rc = handle__connack(context);
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break;
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case CMD_SUBACK:
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rc = handle__suback(context);
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break;
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case CMD_UNSUBACK:
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rc = handle__unsuback(context);
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break;
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#endif
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case CMD_AUTH:
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rc = handle__auth(context);
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break;
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default:
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rc = MOSQ_ERR_PROTOCOL;
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}
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if(context->protocol == mosq_p_mqtt5){
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if(rc == MOSQ_ERR_PROTOCOL || rc == MOSQ_ERR_DUPLICATE_PROPERTY){
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send__disconnect(context, MQTT_RC_PROTOCOL_ERROR, NULL);
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}else if(rc == MOSQ_ERR_MALFORMED_PACKET){
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send__disconnect(context, MQTT_RC_MALFORMED_PACKET, NULL);
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}else if(rc == MOSQ_ERR_QOS_NOT_SUPPORTED){
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send__disconnect(context, MQTT_RC_QOS_NOT_SUPPORTED, NULL);
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}else if(rc == MOSQ_ERR_RETAIN_NOT_SUPPORTED){
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send__disconnect(context, MQTT_RC_RETAIN_NOT_SUPPORTED, NULL);
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}else if(rc == MOSQ_ERR_TOPIC_ALIAS_INVALID){
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send__disconnect(context, MQTT_RC_TOPIC_ALIAS_INVALID, NULL);
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}else if(rc == MOSQ_ERR_UNKNOWN || rc == MOSQ_ERR_NOMEM){
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send__disconnect(context, MQTT_RC_UNSPECIFIED, NULL);
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}
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}
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return rc;
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}
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