HARSHA B.M / MQTT

MQtt to publish the data

Dependencies:   FP MQTTPacket

Fork of MQTT by James Bruce

MQTTClient.h@5:389ccac5a50c, 2014-04-07 (annotated)

Committer:
Ian Craggs
Date:
Mon Apr 07 23:52:57 2014 +0100
Revision:
5:389ccac5a50c
Parent:
4:4ef00243708e
Child:
6:4d312a49200b
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:fe461e4d7afe 1 /**
sam_grove 0:fe461e4d7afe 2 * @file MQTTPubSub.h
sam_grove 0:fe461e4d7afe 3 * @brief API - for MQTT
sam_grove 0:fe461e4d7afe 4 * @author
sam_grove 0:fe461e4d7afe 5 * @version 1.0
sam_grove 0:fe461e4d7afe 6 * @see
sam_grove 0:fe461e4d7afe 7 *
sam_grove 0:fe461e4d7afe 8 * Copyright (c) 2014
sam_grove 0:fe461e4d7afe 9 *
sam_grove 0:fe461e4d7afe 10 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 0:fe461e4d7afe 11 * you may not use this file except in compliance with the License.
sam_grove 0:fe461e4d7afe 12 * You may obtain a copy of the License at
sam_grove 0:fe461e4d7afe 13 *
sam_grove 0:fe461e4d7afe 14 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 0:fe461e4d7afe 15 *
sam_grove 0:fe461e4d7afe 16 * Unless required by applicable law or agreed to in writing, software
sam_grove 0:fe461e4d7afe 17 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 0:fe461e4d7afe 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 0:fe461e4d7afe 19 * See the License for the specific language governing permissions and
sam_grove 0:fe461e4d7afe 20 * limitations under the License.
sam_grove 0:fe461e4d7afe 21 */
sam_grove 0:fe461e4d7afe 22
icraggs 2:dcfdd2abfe71 23 #if !defined(MQTTCLIENT_H)
icraggs 2:dcfdd2abfe71 24 #define MQTTCLIENT_H
icraggs 2:dcfdd2abfe71 25
icraggs 2:dcfdd2abfe71 26 #include "FP.h"
icraggs 3:dbff6b768d28 27 #include "MQTTPacket.h"
icraggs 2:dcfdd2abfe71 28
icraggs 3:dbff6b768d28 29 namespace MQTT
icraggs 3:dbff6b768d28 30 {
icraggs 3:dbff6b768d28 31
icraggs 2:dcfdd2abfe71 32
icraggs 2:dcfdd2abfe71 33 enum QoS { QOS0, QOS1, QOS2 };
sam_grove 0:fe461e4d7afe 34
icraggs 2:dcfdd2abfe71 35
icraggs 3:dbff6b768d28 36 struct Message
icraggs 2:dcfdd2abfe71 37 {
icraggs 2:dcfdd2abfe71 38 enum QoS qos;
icraggs 2:dcfdd2abfe71 39 bool retained;
icraggs 2:dcfdd2abfe71 40 bool dup;
icraggs 2:dcfdd2abfe71 41 unsigned short msgid;
icraggs 2:dcfdd2abfe71 42 void *payload;
icraggs 2:dcfdd2abfe71 43 size_t payloadlen;
sam_grove 0:fe461e4d7afe 44 };
sam_grove 0:fe461e4d7afe 45
icraggs 4:4ef00243708e 46 template<class Network, class Thread> class Client;
icraggs 4:4ef00243708e 47
icraggs 4:4ef00243708e 48 class Result
icraggs 4:4ef00243708e 49 {
icraggs 4:4ef00243708e 50 /* success or failure result data */
icraggs 4:4ef00243708e 51 Client<class Network, class Thread>* client;
icraggs 4:4ef00243708e 52 };
icraggs 4:4ef00243708e 53
icraggs 2:dcfdd2abfe71 54
icraggs 4:4ef00243708e 55 template<class Network, class Thread> class Client
icraggs 2:dcfdd2abfe71 56 {
icraggs 2:dcfdd2abfe71 57
sam_grove 0:fe461e4d7afe 58 public:
icraggs 4:4ef00243708e 59
icraggs 4:4ef00243708e 60 Client(Network* network, const int buffer_size = 100, const int command_timeout = 30);
icraggs 2:dcfdd2abfe71 61
icraggs 4:4ef00243708e 62 int connect(MQTTPacket_connectData* options = 0, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 63
icraggs 4:4ef00243708e 64 int publish(char* topic, Message* message, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 65
icraggs 4:4ef00243708e 66 int subscribe(char* topicFilter, int qos, FP<void, Message*> messageHandler, FP<void, Result*> *resultHandler = 0);
sam_grove 0:fe461e4d7afe 67
icraggs 4:4ef00243708e 68 int unsubscribe(char* topicFilter, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 69
icraggs 4:4ef00243708e 70 int disconnect(int timeout, FP<void, Result*> *resultHandler = 0);
sam_grove 0:fe461e4d7afe 71
icraggs 2:dcfdd2abfe71 72 private:
icraggs 2:dcfdd2abfe71 73
icraggs 4:4ef00243708e 74 int cycle();
icraggs 2:dcfdd2abfe71 75
icraggs 3:dbff6b768d28 76 int decodePacket(int* value, int timeout);
icraggs 4:4ef00243708e 77 int readPacket(int timeout = -1);
icraggs 3:dbff6b768d28 78 int sendPacket(int length);
icraggs 3:dbff6b768d28 79
icraggs 4:4ef00243708e 80 Thread* thread;
icraggs 4:4ef00243708e 81 Network* ipstack;
icraggs 4:4ef00243708e 82
icraggs 2:dcfdd2abfe71 83 char* buf;
icraggs 2:dcfdd2abfe71 84 int buflen;
icraggs 2:dcfdd2abfe71 85
icraggs 4:4ef00243708e 86 char* readbuf;
icraggs 4:4ef00243708e 87 int readbuflen;
icraggs 4:4ef00243708e 88
icraggs 4:4ef00243708e 89 int command_timeout;
icraggs 4:4ef00243708e 90
sam_grove 0:fe461e4d7afe 91 };
sam_grove 0:fe461e4d7afe 92
icraggs 3:dbff6b768d28 93 }
icraggs 3:dbff6b768d28 94
sam_grove 0:fe461e4d7afe 95 #endif