
Port to C027 (using AppShield and Ethernet)
Dependencies: C12832 EthernetInterface LM75B MMA7660 MQTT mbed-rtos mbed
Fork of IBMIoTClientEthernetExample by
Diff: MQTT/MQTTPacket/MQTTSubscribeServer.c
- Revision:
- 9:58eb378727d9
- Parent:
- 8:80d49dd91542
- Child:
- 10:0b5e0dfee08e
--- a/MQTT/MQTTPacket/MQTTSubscribeServer.c Wed Oct 01 13:27:35 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,112 +0,0 @@ -/******************************************************************************* - * 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 "MQTTPacket.h" -#include "StackTrace.h" - -#include <string.h> - - -/** - * Deserializes the supplied (wire) buffer into subscribe data - * @param dup integer returned - the MQTT dup flag - * @param packetid integer returned - the MQTT packet identifier - * @param maxcount - the maximum number of members allowed in the topicFilters and requestedQoSs arrays - * @param count - number of members in the topicFilters and requestedQoSs arrays - * @param topicFilters - array of topic filter names - * @param requestedQoSs - array of requested QoS - * @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 the length of the serialized data. <= 0 indicates error - */ -int MQTTDeserialize_subscribe(unsigned char* dup, unsigned short* packetid, int maxcount, int* count, MQTTString topicFilters[], - int requestedQoSs[], unsigned char* buf, int buflen) -{ - MQTTHeader header = {0}; - unsigned char* curdata = buf; - unsigned char* enddata = NULL; - int rc = -1; - int mylen = 0; - - FUNC_ENTRY; - header.byte = readChar(&curdata); - if (header.bits.type != SUBSCRIBE) - goto exit; - *dup = header.bits.dup; - - curdata += (rc = MQTTPacket_decodeBuf(curdata, &mylen)); /* read remaining length */ - enddata = curdata + mylen; - - *packetid = readInt(&curdata); - - *count = 0; - while (curdata < enddata) - { - if (!readMQTTLenString(&topicFilters[*count], &curdata, enddata)) - goto exit; - if (curdata >= enddata) /* do we have enough data to read the req_qos version byte? */ - goto exit; - requestedQoSs[*count] = readChar(&curdata); - (*count)++; - } - - rc = 1; -exit: - FUNC_EXIT_RC(rc); - return rc; -} - - -/** - * Serializes the supplied suback data into the supplied buffer, ready for sending - * @param buf the buffer into which the packet will be serialized - * @param buflen the length in bytes of the supplied buffer - * @param packetid integer - the MQTT packet identifier - * @param count - number of members in the grantedQoSs array - * @param grantedQoSs - array of granted QoS - * @return the length of the serialized data. <= 0 indicates error - */ -int MQTTSerialize_suback(unsigned char* buf, int buflen, unsigned short packetid, int count, int* grantedQoSs) -{ - MQTTHeader header = {0}; - int rc = -1; - unsigned char *ptr = buf; - int i; - - FUNC_ENTRY; - if (buflen < 2 + count) - { - rc = MQTTPACKET_BUFFER_TOO_SHORT; - goto exit; - } - header.byte = 0; - header.bits.type = SUBACK; - writeChar(&ptr, header.byte); /* write header */ - - ptr += MQTTPacket_encode(ptr, 2 + count); /* write remaining length */ - - writeInt(&ptr, packetid); - - for (i = 0; i < count; ++i) - writeChar(&ptr, grantedQoSs[i]); - - rc = ptr - buf; -exit: - FUNC_EXIT_RC(rc); - return rc; -} - -