mirror of
https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
synced 2025-12-16 08:56:51 +01:00
Move MQTTSNPacket into subdirectory
This commit is contained in:
85
MQTTSNPacket/src/MQTTSNUnsubscribeServer.c
Normal file
85
MQTTSNPacket/src/MQTTSNUnsubscribeServer.c
Normal file
@@ -0,0 +1,85 @@
|
||||
/*******************************************************************************
|
||||
* Copyright (c) 2014 IBM Corp.
|
||||
*
|
||||
* All rights reserved. This program and the accompanying materials
|
||||
* are made available under the terms of the Eclipse Public License v1.0
|
||||
* and Eclipse Distribution License v1.0 which accompany this distribution.
|
||||
*
|
||||
* The Eclipse Public License is available at
|
||||
* http://www.eclipse.org/legal/epl-v10.html
|
||||
* and the Eclipse Distribution License is available at
|
||||
* http://www.eclipse.org/org/documents/edl-v10.php.
|
||||
*
|
||||
* Contributors:
|
||||
* Ian Craggs - initial API and implementation and/or initial documentation
|
||||
*******************************************************************************/
|
||||
|
||||
#include "StackTrace.h"
|
||||
#include "MQTTSNPacket.h"
|
||||
|
||||
int MQTTSNDeserialize_unsubscribe(unsigned short* packetid, MQTTSN_topicid* topicFilter,
|
||||
unsigned char* buf, int buflen)
|
||||
{
|
||||
MQTTSNFlags flags;
|
||||
unsigned char* curdata = buf;
|
||||
unsigned char* enddata = NULL;
|
||||
int rc = 0;
|
||||
int mylen = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
curdata += (rc = MQTTSNPacket_decode(curdata, buflen, &mylen)); /* read length */
|
||||
enddata = buf + mylen;
|
||||
if (enddata - curdata > buflen)
|
||||
goto exit;
|
||||
|
||||
if (readChar(&curdata) != MQTTSN_UNSUBSCRIBE)
|
||||
goto exit;
|
||||
|
||||
flags.all = readChar(&curdata);
|
||||
*packetid = readInt(&curdata);
|
||||
|
||||
topicFilter->type = flags.bits.topicIdType;
|
||||
if (topicFilter->type == MQTTSN_TOPIC_TYPE_NORMAL)
|
||||
{
|
||||
topicFilter->data.long_.len = enddata - curdata;
|
||||
topicFilter->data.long_.name = (char*)curdata;
|
||||
}
|
||||
else if (topicFilter->type == MQTTSN_TOPIC_TYPE_PREDEFINED)
|
||||
topicFilter->data.id = readInt(&curdata);
|
||||
else if (topicFilter->type == MQTTSN_TOPIC_TYPE_SHORT)
|
||||
{
|
||||
topicFilter->data.short_name[0] = readChar(&curdata);
|
||||
topicFilter->data.short_name[1] = readChar(&curdata);
|
||||
}
|
||||
|
||||
rc = 1;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
int MQTTSNSerialize_unsuback(unsigned char* buf, int buflen, unsigned short packetid)
|
||||
{
|
||||
unsigned char *ptr = buf;
|
||||
int len = 0;
|
||||
int rc = 0;
|
||||
|
||||
FUNC_ENTRY;
|
||||
if ((len = MQTTSNPacket_len(7)) > buflen)
|
||||
{
|
||||
rc = MQTTSNPACKET_BUFFER_TOO_SHORT;
|
||||
goto exit;
|
||||
}
|
||||
ptr += MQTTSNPacket_encode(ptr, len); /* write length */
|
||||
writeChar(&ptr, MQTTSN_UNSUBACK); /* write message type */
|
||||
|
||||
writeInt(&ptr, packetid);
|
||||
|
||||
rc = ptr - buf;
|
||||
exit:
|
||||
FUNC_EXIT_RC(rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user