Low level MQTTSN packet library, part of the Eclipse Paho project: http://eclipse.org/paho

Dependents:   MQTTSN sara-n200-hello-mqtt-sn MQTTSN_2

The master source for this project is held at: https://github.com/eclipse/paho.mqtt-sn.embedded-c

Revision:
1:7fa362fa563f
Parent:
0:c524a894b5e8
--- a/MQTTSNUnsubscribeServer.c	Thu Feb 26 15:59:36 2015 +0000
+++ b/MQTTSNUnsubscribeServer.c	Wed Jan 06 14:19:27 2016 +0000
@@ -1,86 +1,86 @@
-/*******************************************************************************
- * 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;
-}
-
-
+/*******************************************************************************
+ * 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 (MQTTSNPacket_readChar(&curdata) != MQTTSN_UNSUBSCRIBE)
+		goto exit;
+
+	flags.all = MQTTSNPacket_readChar(&curdata);
+	*packetid = MQTTSNPacket_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 = MQTTSNPacket_readInt(&curdata);
+	else if (topicFilter->type == MQTTSN_TOPIC_TYPE_SHORT)
+	{
+		topicFilter->data.short_name[0] = MQTTSNPacket_readChar(&curdata);
+		topicFilter->data.short_name[1] = MQTTSNPacket_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 */
+	MQTTSNPacket_writeChar(&ptr, MQTTSN_UNSUBACK);      /* write message type */
+
+	MQTTSNPacket_writeInt(&ptr, packetid);
+
+	rc = ptr - buf;
+exit:
+	FUNC_EXIT_RC(rc);
+	return rc;
+}
+
+
+