Add toolchain and mbtk source
Change-Id: Ie12546301367ea59240bf23d5e184ad7e36e40b3
diff --git a/mbtk/mbtk_mqtt/MQTTPacket/MQTTDeserializePublish.c b/mbtk/mbtk_mqtt/MQTTPacket/MQTTDeserializePublish.c
new file mode 100755
index 0000000..dbc9e5d
--- /dev/null
+++ b/mbtk/mbtk_mqtt/MQTTPacket/MQTTDeserializePublish.c
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ * 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 "MQTTPacket.h"
+#include <string.h>
+
+#define min(a, b) ((a < b) ? 1 : 0)
+
+/**
+ * Deserializes the supplied (wire) buffer into publish data
+ * @param dup returned integer - the MQTT dup flag
+ * @param qos returned integer - the MQTT QoS value
+ * @param retained returned integer - the MQTT retained flag
+ * @param packetid returned integer - the MQTT packet identifier
+ * @param topicName returned MQTTString - the MQTT topic in the publish
+ * @param payload returned byte buffer - the MQTT publish payload
+ * @param payloadlen returned integer - the length of the MQTT payload
+ * @param buf the raw buffer data, of the correct length determined by the remaining length field
+ * @param buflen the length in bytes of the data in the supplied buffer
+ * @return error code. 1 is success
+ */
+int MQTTDeserialize_publish(unsigned char* dup, int* qos, unsigned char* retained, unsigned short* packetid, MQTTString* topicName,
+ unsigned char** payload, int* payloadlen, unsigned char* buf, int buflen)
+{
+ MQTTHeader header = {0};
+ unsigned char* curdata = buf;
+ unsigned char* enddata = NULL;
+ int rc = 0;
+ int mylen = 0;
+
+ FUNC_ENTRY;
+ header.byte = readChar(&curdata);
+ if (header.bits.type != PUBLISH)
+ goto exit;
+ *dup = header.bits.dup;
+ *qos = header.bits.qos;
+ *retained = header.bits.retain;
+
+ curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
+ enddata = curdata + mylen;
+
+ if (!readMQTTLenString(topicName, &curdata, enddata) ||
+ enddata - curdata < 0) /* do we have enough data to read the protocol version byte? */
+ goto exit;
+
+ if (*qos > 0)
+ *packetid = readInt(&curdata);
+
+ *payloadlen = enddata - curdata;
+ *payload = curdata;
+ rc = 1;
+exit:
+ FUNC_EXIT_RC(rc);
+ return rc;
+}
+
+
+
+/**
+ * Deserializes the supplied (wire) buffer into an ack
+ * @param packettype returned integer - the MQTT packet type
+ * @param dup returned integer - the MQTT dup flag
+ * @param packetid returned integer - the MQTT packet identifier
+ * @param buf the raw buffer data, of the correct length determined by the remaining length field
+ * @param buflen the length in bytes of the data in the supplied buffer
+ * @return error code. 1 is success, 0 is failure
+ */
+int MQTTDeserialize_ack(unsigned char* packettype, unsigned char* dup, unsigned short* packetid, unsigned char* buf, int buflen)
+{
+ MQTTHeader header = {0};
+ unsigned char* curdata = buf;
+ unsigned char* enddata = NULL;
+ int rc = 0;
+ int mylen;
+
+ FUNC_ENTRY;
+ header.byte = readChar(&curdata);
+ *dup = header.bits.dup;
+ *packettype = header.bits.type;
+
+ curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */
+ enddata = curdata + mylen;
+
+ if (enddata - curdata < 2)
+ goto exit;
+ *packetid = readInt(&curdata);
+
+ rc = 1;
+exit:
+ FUNC_EXIT_RC(rc);
+ return rc;
+}
+