Junichi Katsu / Milkcocoa-os

【mbed OS5対応バージョン】データの保存、更新、取得ができるWebサービス「milkcocoa」に接続し、データのプッシュ、送信、取得ができるライブラリです。 https://mlkcca.com/

Dependents:   mbed-os-example-wifi-milkcocoa MilkcocoaOsSample_Eth MilkcocoaOsSample_ESP8266 MilkcocoaOsSample_Eth_DigitalIn

MQTT/MQTTPacket/MQTTPacket.h@13:61e0cc093180, 2018-03-26 (annotated)

Committer:
jksoft
Date:
Mon Mar 26 04:49:20 2018 +0000
Revision:
13:61e0cc093180
Parent:
0:0a2f634d3324 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:0a2f634d3324 1 /*******************************************************************************
jksoft 0:0a2f634d3324 2 * Copyright (c) 2014 IBM Corp.
jksoft 0:0a2f634d3324 3 *
jksoft 0:0a2f634d3324 4 * All rights reserved. This program and the accompanying materials
jksoft 0:0a2f634d3324 5 * are made available under the terms of the Eclipse Public License v1.0
jksoft 0:0a2f634d3324 6 * and Eclipse Distribution License v1.0 which accompany this distribution.
jksoft 0:0a2f634d3324 7 *
jksoft 0:0a2f634d3324 8 * The Eclipse Public License is available at
jksoft 0:0a2f634d3324 9 * http://www.eclipse.org/legal/epl-v10.html
jksoft 0:0a2f634d3324 10 * and the Eclipse Distribution License is available at
jksoft 0:0a2f634d3324 11 * http://www.eclipse.org/org/documents/edl-v10.php.
jksoft 0:0a2f634d3324 12 *
jksoft 0:0a2f634d3324 13 * Contributors:
jksoft 0:0a2f634d3324 14 * Ian Craggs - initial API and implementation and/or initial documentation
jksoft 0:0a2f634d3324 15 *******************************************************************************/
jksoft 0:0a2f634d3324 16
jksoft 0:0a2f634d3324 17 #ifndef MQTTPACKET_H_
jksoft 0:0a2f634d3324 18 #define MQTTPACKET_H_
jksoft 0:0a2f634d3324 19
jksoft 0:0a2f634d3324 20 #if defined(__cplusplus) /* If this is a C++ compiler, use C linkage */
jksoft 0:0a2f634d3324 21 extern "C" {
jksoft 0:0a2f634d3324 22 #endif
jksoft 0:0a2f634d3324 23
jksoft 0:0a2f634d3324 24 enum errors
jksoft 0:0a2f634d3324 25 {
jksoft 0:0a2f634d3324 26 MQTTPACKET_BUFFER_TOO_SHORT = -2,
jksoft 0:0a2f634d3324 27 MQTTPACKET_READ_ERROR = -1,
jksoft 0:0a2f634d3324 28 MQTTPACKET_READ_COMPLETE,
jksoft 0:0a2f634d3324 29 };
jksoft 0:0a2f634d3324 30
jksoft 0:0a2f634d3324 31 enum msgTypes
jksoft 0:0a2f634d3324 32 {
jksoft 0:0a2f634d3324 33 CONNECT = 1, CONNACK, PUBLISH, PUBACK, PUBREC, PUBREL,
jksoft 0:0a2f634d3324 34 PUBCOMP, SUBSCRIBE, SUBACK, UNSUBSCRIBE, UNSUBACK,
jksoft 0:0a2f634d3324 35 PINGREQ, PINGRESP, DISCONNECT
jksoft 0:0a2f634d3324 36 };
jksoft 0:0a2f634d3324 37
jksoft 0:0a2f634d3324 38 /**
jksoft 0:0a2f634d3324 39 * Bitfields for the MQTT header byte.
jksoft 0:0a2f634d3324 40 */
jksoft 0:0a2f634d3324 41 typedef union
jksoft 0:0a2f634d3324 42 {
jksoft 0:0a2f634d3324 43 unsigned char byte; /**< the whole byte */
jksoft 0:0a2f634d3324 44 #if defined(REVERSED)
jksoft 0:0a2f634d3324 45 struct
jksoft 0:0a2f634d3324 46 {
jksoft 0:0a2f634d3324 47 unsigned int type : 4; /**< message type nibble */
jksoft 0:0a2f634d3324 48 unsigned int dup : 1; /**< DUP flag bit */
jksoft 0:0a2f634d3324 49 unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
jksoft 0:0a2f634d3324 50 unsigned int retain : 1; /**< retained flag bit */
jksoft 0:0a2f634d3324 51 } bits;
jksoft 0:0a2f634d3324 52 #else
jksoft 0:0a2f634d3324 53 struct
jksoft 0:0a2f634d3324 54 {
jksoft 0:0a2f634d3324 55 unsigned int retain : 1; /**< retained flag bit */
jksoft 0:0a2f634d3324 56 unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
jksoft 0:0a2f634d3324 57 unsigned int dup : 1; /**< DUP flag bit */
jksoft 0:0a2f634d3324 58 unsigned int type : 4; /**< message type nibble */
jksoft 0:0a2f634d3324 59 } bits;
jksoft 0:0a2f634d3324 60 #endif
jksoft 0:0a2f634d3324 61 } MQTTHeader;
jksoft 0:0a2f634d3324 62
jksoft 0:0a2f634d3324 63 typedef struct
jksoft 0:0a2f634d3324 64 {
jksoft 0:0a2f634d3324 65 int len;
jksoft 0:0a2f634d3324 66 char* data;
jksoft 0:0a2f634d3324 67 } MQTTLenString;
jksoft 0:0a2f634d3324 68
jksoft 0:0a2f634d3324 69 typedef struct
jksoft 0:0a2f634d3324 70 {
jksoft 0:0a2f634d3324 71 char* cstring;
jksoft 0:0a2f634d3324 72 MQTTLenString lenstring;
jksoft 0:0a2f634d3324 73 } MQTTString;
jksoft 0:0a2f634d3324 74
jksoft 0:0a2f634d3324 75 #define MQTTString_initializer {NULL, {0, NULL}}
jksoft 0:0a2f634d3324 76
jksoft 0:0a2f634d3324 77 int MQTTstrlen(MQTTString mqttstring);
jksoft 0:0a2f634d3324 78
jksoft 0:0a2f634d3324 79 #include "MQTTConnect.h"
jksoft 0:0a2f634d3324 80 #include "MQTTPublish.h"
jksoft 0:0a2f634d3324 81 #include "MQTTSubscribe.h"
jksoft 0:0a2f634d3324 82 #include "MQTTUnsubscribe.h"
jksoft 0:0a2f634d3324 83
jksoft 0:0a2f634d3324 84 int MQTTSerialize_ack(unsigned char* buf, int buflen, unsigned char type, unsigned char dup, unsigned short packetid);
jksoft 0:0a2f634d3324 85 int MQTTDeserialize_ack(unsigned char* packettype, unsigned char* dup, unsigned short* packetid, unsigned char* buf, int buflen);
jksoft 0:0a2f634d3324 86
jksoft 0:0a2f634d3324 87 int MQTTPacket_len(int rem_len);
jksoft 0:0a2f634d3324 88 int MQTTPacket_equals(MQTTString* a, char* b);
jksoft 0:0a2f634d3324 89
jksoft 0:0a2f634d3324 90 int MQTTPacket_encode(unsigned char* buf, int length);
jksoft 0:0a2f634d3324 91 int MQTTPacket_decode(int (*getcharfn)(unsigned char*, int), int* value);
jksoft 0:0a2f634d3324 92 int MQTTPacket_decodeBuf(unsigned char* buf, int* value);
jksoft 0:0a2f634d3324 93
jksoft 0:0a2f634d3324 94 int readInt(unsigned char** pptr);
jksoft 0:0a2f634d3324 95 char readChar(unsigned char** pptr);
jksoft 0:0a2f634d3324 96 void writeChar(unsigned char** pptr, char c);
jksoft 0:0a2f634d3324 97 void writeInt(unsigned char** pptr, int anInt);
jksoft 0:0a2f634d3324 98 int readMQTTLenString(MQTTString* mqttstring, unsigned char** pptr, unsigned char* enddata);
jksoft 0:0a2f634d3324 99 void writeCString(unsigned char** pptr, const char* string);
jksoft 0:0a2f634d3324 100 void writeMQTTString(unsigned char** pptr, MQTTString mqttstring);
jksoft 0:0a2f634d3324 101
jksoft 0:0a2f634d3324 102 int MQTTPacket_read(unsigned char* buf, int buflen, int (*getfn)(unsigned char*, int));
jksoft 0:0a2f634d3324 103
jksoft 0:0a2f634d3324 104 char* MQTTPacket_toString(char* strbuf, int strbuflen, unsigned char* buf, int buflen);
jksoft 0:0a2f634d3324 105
jksoft 0:0a2f634d3324 106 #ifdef __cplusplus /* If this is a C++ compiler, use C linkage */
jksoft 0:0a2f634d3324 107 }
jksoft 0:0a2f634d3324 108 #endif
jksoft 0:0a2f634d3324 109
jksoft 0:0a2f634d3324 110
jksoft 0:0a2f634d3324 111 #endif /* MQTTPACKET_H_ */