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156
Plugins/MqttClient/Source/DTMqtt/MqttC/Clients.h
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156
Plugins/MqttClient/Source/DTMqtt/MqttC/Clients.h
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// Copyright 2023 Dexter.Wan. All Rights Reserved.
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// EMail: 45141961@qq.com
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#if !defined(CLIENTS_H)
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#define CLIENTS_H
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#include <stdint.h>
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#include "MQTTTime.h"
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#if defined(_WIN32) || defined(_WIN64)
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#include <winsock2.h>
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#endif
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#if defined(OPENSSL)
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#include <openssl/ssl.h>
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#endif
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#include "MQTTClient.h"
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#include "LinkedList.h"
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#include "MQTTClientPersistence.h"
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#include "Socket.h"
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/**
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* Stored publication data to minimize copying
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*/
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typedef struct
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{
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char *topic;
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int topiclen;
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char* payload;
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int payloadlen;
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int refcount;
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uint8_t mask[4];
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} Publications;
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/**
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* Client publication message data
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*/
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typedef struct
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{
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int qos;
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int retain;
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int msgid;
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int MQTTVersion;
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MQTTProperties properties;
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Publications *publish;
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START_TIME_TYPE lastTouch; /**> used for retry and expiry */
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char nextMessageType; /**> PUBREC, PUBREL, PUBCOMP */
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int len; /**> length of the whole structure+data */
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} Messages;
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/**
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* Client will message data
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*/
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typedef struct
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{
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char *topic;
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int payloadlen;
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void *payload;
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int retained;
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int qos;
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} willMessages;
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typedef struct
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{
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SOCKET socket;
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START_TIME_TYPE lastSent;
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START_TIME_TYPE lastReceived;
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START_TIME_TYPE lastPing;
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#if defined(OPENSSL)
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SSL* ssl;
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SSL_CTX* ctx;
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char *https_proxy;
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char *https_proxy_auth;
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#endif
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char *http_proxy;
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char *http_proxy_auth;
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int websocket; /**< socket has been upgraded to use web sockets */
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char *websocket_key;
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const MQTTClient_nameValue* httpHeaders;
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} networkHandles;
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/* connection states */
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/** no connection in progress, see connected value */
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#define NOT_IN_PROGRESS 0x0
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/** TCP connection in progress */
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#define TCP_IN_PROGRESS 0x1
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/** SSL connection in progress */
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#define SSL_IN_PROGRESS 0x2
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/** Websocket connection in progress */
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#define WEBSOCKET_IN_PROGRESS 0x3
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/** TCP completed, waiting for MQTT ACK */
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#define WAIT_FOR_CONNACK 0x4
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/** Proxy connection in progress */
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#define PROXY_CONNECT_IN_PROGRESS 0x5
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/** Disconnecting */
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#define DISCONNECTING -2
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/**
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* Data related to one client
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*/
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typedef struct
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{
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char* clientID; /**< the string id of the client */
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const char* username; /**< MQTT v3.1 user name */
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int passwordlen; /**< MQTT password length */
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const void* password; /**< MQTT v3.1 binary password */
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unsigned int cleansession : 1; /**< MQTT V3 clean session flag */
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unsigned int cleanstart : 1; /**< MQTT V5 clean start flag */
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unsigned int connected : 1; /**< whether it is currently connected */
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unsigned int good : 1; /**< if we have an error on the socket we turn this off */
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unsigned int ping_outstanding : 1;
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unsigned int ping_due : 1; /**< we couldn't send a ping so we should send one when we can */
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signed int connect_state : 4;
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START_TIME_TYPE ping_due_time; /**< the time at which the ping should have been sent (ping_due) */
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networkHandles net; /**< network info for this client */
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int msgID; /**< the MQTT message id */
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int keepAliveInterval; /**< the MQTT keep alive interval */
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int retryInterval; /**< the MQTT retry interval for QoS > 0 */
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int maxInflightMessages; /**< the max number of inflight outbound messages we allow */
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willMessages* will; /**< the MQTT will message, if any */
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List* inboundMsgs; /**< inbound in flight messages */
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List* outboundMsgs; /**< outbound in flight messages */
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int connect_count; /**< the number of outbound messages on reconnect - to ensure we send them all */
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int connect_sent; /**< the current number of outbound messages on reconnect that we've sent */
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List* messageQueue; /**< inbound complete but undelivered messages */
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List* outboundQueue; /**< outbound queued messages */
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unsigned int qentry_seqno;
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void* phandle; /**< the persistence handle */
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MQTTClient_persistence* persistence; /**< a persistence implementation */
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MQTTPersistence_beforeWrite* beforeWrite; /**< persistence write callback */
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MQTTPersistence_afterRead* afterRead; /**< persistence read callback */
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void* beforeWrite_context; /**< context to be used with the persistence beforeWrite callbacks */
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void* afterRead_context; /**< context to be used with the persistence afterRead callback */
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void* context; /**< calling context - used when calling disconnect_internal */
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int MQTTVersion; /**< the version of MQTT being used, 3, 4 or 5 */
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int sessionExpiry; /**< MQTT 5 session expiry */
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char* httpProxy; /**< HTTP proxy */
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char* httpsProxy; /**< HTTPS proxy */
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#if defined(OPENSSL)
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MQTTClient_SSLOptions *sslopts; /**< the SSL/TLS connect options */
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SSL_SESSION* session; /**< SSL session pointer for fast handhake */
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#endif
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} Clients;
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int clientIDCompare(void* a, void* b);
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int clientSocketCompare(void* a, void* b);
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/**
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* Configuration data related to all clients
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*/
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typedef struct
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{
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const char* version;
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List* clients;
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} ClientStates;
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#endif
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