Biswajit Padhi / MQTT_attendance

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   FP MQTTPacket

Fork of MQTT by James Bruce

MQTTClient.h@4:4ef00243708e, 2014-04-07 (annotated)

Committer:
icraggs
Date:
Mon Apr 07 12:24:36 2014 +0000
Revision:
4:4ef00243708e
Parent:
3:dbff6b768d28
Child:
5:389ccac5a50c
Templates for both networking and tasks

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 "mbed.h"
icraggs 2:dcfdd2abfe71 27 #include "FP.h"
icraggs 3:dbff6b768d28 28 #include "MQTTPacket.h"
icraggs 2:dcfdd2abfe71 29
icraggs 3:dbff6b768d28 30 namespace MQTT
icraggs 3:dbff6b768d28 31 {
icraggs 3:dbff6b768d28 32
icraggs 2:dcfdd2abfe71 33
icraggs 2:dcfdd2abfe71 34 enum QoS { QOS0, QOS1, QOS2 };
sam_grove 0:fe461e4d7afe 35
icraggs 2:dcfdd2abfe71 36
icraggs 3:dbff6b768d28 37 struct Message
icraggs 2:dcfdd2abfe71 38 {
icraggs 2:dcfdd2abfe71 39 enum QoS qos;
icraggs 2:dcfdd2abfe71 40 bool retained;
icraggs 2:dcfdd2abfe71 41 bool dup;
icraggs 2:dcfdd2abfe71 42 unsigned short msgid;
icraggs 2:dcfdd2abfe71 43 void *payload;
icraggs 2:dcfdd2abfe71 44 size_t payloadlen;
sam_grove 0:fe461e4d7afe 45 };
sam_grove 0:fe461e4d7afe 46
icraggs 4:4ef00243708e 47 template<class Network, class Thread> class Client;
icraggs 4:4ef00243708e 48
icraggs 4:4ef00243708e 49 class Result
icraggs 4:4ef00243708e 50 {
icraggs 4:4ef00243708e 51 /* success or failure result data */
icraggs 4:4ef00243708e 52 Client<class Network, class Thread>* client;
icraggs 4:4ef00243708e 53 };
icraggs 4:4ef00243708e 54
icraggs 2:dcfdd2abfe71 55
icraggs 4:4ef00243708e 56 template<class Network, class Thread> class Client
icraggs 2:dcfdd2abfe71 57 {
icraggs 2:dcfdd2abfe71 58
sam_grove 0:fe461e4d7afe 59 public:
icraggs 4:4ef00243708e 60
icraggs 4:4ef00243708e 61 Client(Network* network, const int buffer_size = 100, const int command_timeout = 30);
icraggs 2:dcfdd2abfe71 62
icraggs 4:4ef00243708e 63 int connect(MQTTPacket_connectData* options = 0, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 64
icraggs 4:4ef00243708e 65 int publish(char* topic, Message* message, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 66
icraggs 4:4ef00243708e 67 int subscribe(char* topicFilter, int qos, FP<void, Message*> messageHandler, FP<void, Result*> *resultHandler = 0);
sam_grove 0:fe461e4d7afe 68
icraggs 4:4ef00243708e 69 int unsubscribe(char* topicFilter, FP<void, Result*> *resultHandler = 0);
icraggs 2:dcfdd2abfe71 70
icraggs 4:4ef00243708e 71 int disconnect(int timeout, FP<void, Result*> *resultHandler = 0);
sam_grove 0:fe461e4d7afe 72
icraggs 2:dcfdd2abfe71 73 private:
icraggs 2:dcfdd2abfe71 74
icraggs 4:4ef00243708e 75 int cycle();
icraggs 2:dcfdd2abfe71 76
icraggs 3:dbff6b768d28 77 int decodePacket(int* value, int timeout);
icraggs 4:4ef00243708e 78 int readPacket(int timeout = -1);
icraggs 3:dbff6b768d28 79 int sendPacket(int length);
icraggs 3:dbff6b768d28 80
icraggs 4:4ef00243708e 81 Thread* thread;
icraggs 4:4ef00243708e 82 Network* ipstack;
icraggs 4:4ef00243708e 83
icraggs 2:dcfdd2abfe71 84 char* buf;
icraggs 2:dcfdd2abfe71 85 int buflen;
icraggs 2:dcfdd2abfe71 86
icraggs 4:4ef00243708e 87 char* readbuf;
icraggs 4:4ef00243708e 88 int readbuflen;
icraggs 4:4ef00243708e 89
icraggs 4:4ef00243708e 90 int command_timeout;
icraggs 4:4ef00243708e 91
sam_grove 0:fe461e4d7afe 92 };
sam_grove 0:fe461e4d7afe 93
icraggs 3:dbff6b768d28 94 }
icraggs 3:dbff6b768d28 95
sam_grove 0:fe461e4d7afe 96 #endif