mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-08-25 07:33:11 +00:00
MQTT cleanups:
- create mqtt_opts.h file and move options in there - documentation cleanups
This commit is contained in:
parent
14e36866f5
commit
12bc2c0425
@ -1021,6 +1021,7 @@ mqtt_tcp_connect_cb(void *arg, struct tcp_pcb *tpcb, err_t err)
|
||||
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* MQTT publish function.
|
||||
* @param client MQTT client
|
||||
* @param topic Publish topic string
|
||||
@ -1090,7 +1091,8 @@ mqtt_publish(mqtt_client_t *client, const char *topic, const void *payload, u16_
|
||||
|
||||
|
||||
/**
|
||||
* @brief MQTT subscribe/unsubscribe function.
|
||||
* @ingroup mqtt
|
||||
* MQTT subscribe/unsubscribe function.
|
||||
* @param client MQTT client
|
||||
* @param topic topic to subscribe to
|
||||
* @param qos Quality of service, 0 1 or 2 (only used for subscribe)
|
||||
@ -1145,6 +1147,7 @@ mqtt_sub_unsub(mqtt_client_t *client, const char *topic, u8_t qos, mqtt_request_
|
||||
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Set callback to handle incoming publish requests from server
|
||||
* @param client MQTT client
|
||||
* @param pub_cb Callback invoked when publish starts, contain topic and total length of payload
|
||||
@ -1162,6 +1165,7 @@ mqtt_set_inpub_callback(mqtt_client_t *client, mqtt_incoming_publish_cb_t pub_cb
|
||||
}
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Create a new MQTT client instance
|
||||
* @return Pointer to instance on success, NULL otherwise
|
||||
*/
|
||||
@ -1177,6 +1181,7 @@ mqtt_client_new(void)
|
||||
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Connect to MQTT server
|
||||
* @param client MQTT client
|
||||
* @param host String containing server IP
|
||||
@ -1290,6 +1295,7 @@ tcp_fail:
|
||||
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Disconnect from MQTT server
|
||||
* @param client MQTT client
|
||||
*/
|
||||
@ -1306,6 +1312,7 @@ mqtt_disconnect(mqtt_client_t *client)
|
||||
}
|
||||
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Check connection with server
|
||||
* @param client MQTT client
|
||||
* @return 1 if connected to server, 0 otherwise
|
||||
|
@ -34,49 +34,24 @@
|
||||
* Author: Erik Andersson
|
||||
*
|
||||
*/
|
||||
#ifndef LWIP_HDR_MQTT_CLIENT_H
|
||||
#define LWIP_HDR_MQTT_CLIENT_H
|
||||
#ifndef LWIP_HDR_APPS_MQTT_CLIENT_H
|
||||
#define LWIP_HDR_APPS_MQTT_CLIENT_H
|
||||
|
||||
#include "lwip/apps/mqtt_opts.h"
|
||||
#include "lwip/err.h"
|
||||
#include "lwip/opt.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/** @ingroup mqtt
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads
|
||||
*/
|
||||
#ifndef MQTT_OUTPUT_RINGBUF_SIZE
|
||||
#define MQTT_OUTPUT_RINGBUF_SIZE 256
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8
|
||||
* If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8
|
||||
*/
|
||||
#ifndef MQTT_VAR_HEADER_BUFFER_LEN
|
||||
#define MQTT_VAR_HEADER_BUFFER_LEN 128
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Maximum number of pending subscribe, unsubscribe and publish requests to server .
|
||||
*/
|
||||
#ifndef MQTT_REQ_MAX_IN_FLIGHT
|
||||
#define MQTT_REQ_MAX_IN_FLIGHT 4
|
||||
#endif
|
||||
|
||||
typedef struct mqtt_client_t mqtt_client_t;
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------------------------- */
|
||||
/* Connection with server */
|
||||
|
||||
/** Client information and connection parameters */
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Client information and connection parameters */
|
||||
struct mqtt_connect_client_info_t {
|
||||
/** Client identifier, must be set by caller */
|
||||
const char *client_id;
|
||||
@ -93,7 +68,9 @@ struct mqtt_connect_client_info_t {
|
||||
u8_t will_retain;
|
||||
};
|
||||
|
||||
/** Connection status codes */
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Connection status codes */
|
||||
typedef enum
|
||||
{
|
||||
MQTT_CONNECT_ACCEPTED = 0,
|
||||
@ -106,7 +83,9 @@ typedef enum
|
||||
MQTT_CONNECT_TIMEOUT = 257
|
||||
} mqtt_connection_status_t;
|
||||
|
||||
/** Function prototype for mqtt connection status callback. Called when
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Function prototype for mqtt connection status callback. Called when
|
||||
* client has connected to the server after initiating a mqtt connection attempt by
|
||||
* calling mqtt_connect() or when connection is closed by server or an error
|
||||
*
|
||||
@ -118,13 +97,17 @@ typedef enum
|
||||
typedef void (*mqtt_connection_cb_t)(mqtt_client_t *client, void *arg, mqtt_connection_status_t status);
|
||||
|
||||
|
||||
/** Data callback flags */
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Data callback flags */
|
||||
enum {
|
||||
/** Flag set when last fragment of data arrives in data callback */
|
||||
MQTT_DATA_FLAG_LAST = 1,
|
||||
};
|
||||
|
||||
/** Function prototype for MQTT incoming publish data callback function. Called when data
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Function prototype for MQTT incoming publish data callback function. Called when data
|
||||
* arrives to a subscribed topic @see mqtt_subscribe
|
||||
*
|
||||
* @param client MQTT client itself
|
||||
@ -138,7 +121,9 @@ enum {
|
||||
typedef void (*mqtt_incoming_data_cb_t)(void *arg, const u8_t *data, u16_t len, u8_t flags);
|
||||
|
||||
|
||||
/** Function prototype for MQTT incoming publish function. Called when an incoming publish
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Function prototype for MQTT incoming publish function. Called when an incoming publish
|
||||
* arrives to a subscribed topic @see mqtt_subscribe
|
||||
*
|
||||
* @param client MQTT client itself
|
||||
@ -150,7 +135,9 @@ typedef void (*mqtt_incoming_data_cb_t)(void *arg, const u8_t *data, u16_t len,
|
||||
typedef void (*mqtt_incoming_publish_cb_t)(void *arg, const char *topic, u32_t tot_len);
|
||||
|
||||
|
||||
/** Function prototype for mqtt request callback. Called when a subscribe, unsubscribe
|
||||
/**
|
||||
* @ingroup mqtt
|
||||
* Function prototype for mqtt request callback. Called when a subscribe, unsubscribe
|
||||
* or publish request has completed
|
||||
* @param arg Pointer to user data supplied when invoking request
|
||||
* @param err ERR_OK on success
|
||||
@ -236,9 +223,11 @@ void mqtt_set_inpub_callback(mqtt_client_t *client, mqtt_incoming_publish_cb_t,
|
||||
/** Common function for subscribe and unsubscribe */
|
||||
err_t mqtt_sub_unsub(mqtt_client_t *client, const char *topic, u8_t qos, mqtt_request_cb_t cb, void *arg, u8_t sub);
|
||||
|
||||
/** Subscribe to topic */
|
||||
/** @ingroup mqtt
|
||||
*Subscribe to topic */
|
||||
#define mqtt_subscribe(client, topic, qos, cb, arg) mqtt_sub_unsub(client, topic, qos, cb, arg, 1)
|
||||
/** Unsubscribe to topic */
|
||||
/** @ingroup mqtt
|
||||
* Unsubscribe to topic */
|
||||
#define mqtt_unsubscribe(client, topic, cb, arg) mqtt_sub_unsub(client, topic, 0, cb, arg, 0)
|
||||
|
||||
|
||||
@ -246,12 +235,8 @@ err_t mqtt_sub_unsub(mqtt_client_t *client, const char *topic, u8_t qos, mqtt_re
|
||||
err_t mqtt_publish(mqtt_client_t *client, const char *topic, const void *payload, u16_t payload_length, u8_t qos, u8_t retain,
|
||||
mqtt_request_cb_t cb, void *arg);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_HDR_MQTT_CLIENT_H */
|
||||
#endif /* LWIP_HDR_APPS_MQTT_CLIENT_H */
|
||||
|
82
src/include/lwip/apps/mqtt_opts.h
Normal file
82
src/include/lwip/apps/mqtt_opts.h
Normal file
@ -0,0 +1,82 @@
|
||||
/**
|
||||
* @file
|
||||
* MQTT client options
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2016 Erik Andersson
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
||||
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
||||
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
||||
* OF SUCH DAMAGE.
|
||||
*
|
||||
* This file is part of the lwIP TCP/IP stack.
|
||||
*
|
||||
* Author: Erik Andersson
|
||||
*
|
||||
*/
|
||||
#ifndef LWIP_HDR_APPS_MQTT_OPTS_H
|
||||
#define LWIP_HDR_APPS_MQTT_OPTS_H
|
||||
|
||||
#include "lwip/opt.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @defgroup mqtt_opts Options
|
||||
* @ingroup mqtt
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads
|
||||
*/
|
||||
#ifndef MQTT_OUTPUT_RINGBUF_SIZE
|
||||
#define MQTT_OUTPUT_RINGBUF_SIZE 256
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8
|
||||
* If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8
|
||||
*/
|
||||
#ifndef MQTT_VAR_HEADER_BUFFER_LEN
|
||||
#define MQTT_VAR_HEADER_BUFFER_LEN 128
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Maximum number of pending subscribe, unsubscribe and publish requests to server .
|
||||
*/
|
||||
#ifndef MQTT_REQ_MAX_IN_FLIGHT
|
||||
#define MQTT_REQ_MAX_IN_FLIGHT 4
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* LWIP_HDR_APPS_MQTT_OPTS_H */
|
Loading…
Reference in New Issue
Block a user