mqtt文件下载的实现文件更多...

#include "aiot_ota_api.h"
#include "core_mqtt.h"
#include "core_string.h"
#include "core_sha256.h"
#include "ota_md5.h"
#include "core_log.h"
#include "core_global.h"
#include "mqtt_download_private.h"
#include "ota_private.h"

aiot_mqtt_download_api.c 的引用(Include)关系图:

函数
static int32_t	_md_send_request (void *handle)

static void	_md_recv_data_reply_handler (void handle, const aiot_mqtt_recv_t msg, void *userdata)

uint16_t	crc_ibm (uint8_t const *buffer, size_t len)

int32_t	_md_sub_response_topic (void *handle)

int32_t	_md_unsub_response_topic (void *handle)

void *	aiot_mqtt_download_init (void)
	创建mqtt_download会话实例, 并以默认值配置会话参数更多...

static void	_md_core_mqtt_process_handler (void context, aiot_mqtt_event_t event, core_mqtt_event_t *core_event)

int32_t	aiot_mqtt_download_deinit (void **handle)
	结束mqtt_download会话, 销毁实例并回收资源更多...

static int32_t	_download_digest_update (mqtt_download_handle_t download_handle, uint8_t buffer, uint32_t buffer_len)

static int32_t	_download_digest_verify (mqtt_download_handle_t *download_handle)

static int32_t	_download_report_progress (void *handle, int32_t percent)

static int32_t	_parse_json_header (void handle, char data, uint32_t data_len, aiot_mqtt_download_recv_t *pakcet)

static void	_md_resend_request (mqtt_download_handle_t *md_handle)

int32_t	aiot_mqtt_download_setopt (void handle, aiot_mqtt_download_option_t option, void data)
	配置mqtt_download会话更多...

static int32_t	_md_reset_handle (mqtt_download_handle_t *md_handle)

int32_t	aiot_mqtt_download_process (void *handle)
	处理下载逻辑更多...

变量
const uint16_t	crc_ibm_table [256]

详细描述

mqtt文件下载的实现文件

日期: 2019-12-27

版权所有: Copyright (C) 2015-2018 Alibaba Group Holding Limited

函数说明

static int32_t _md_send_request ( void * handle )

static

函数调用图:

static void _md_recv_data_reply_handler	(	void *	handle,
		const aiot_mqtt_recv_t *	msg,
		void *	userdata
	)

static

函数调用图:

uint16_t crc_ibm	(	uint8_t const *	buffer,
		size_t	len
	)

int32_t _md_sub_response_topic ( void * handle )

函数调用图:

int32_t _md_unsub_response_topic ( void * handle )

函数调用图:

void* aiot_mqtt_download_init ( void )

创建mqtt_download会话实例, 并以默认值配置会话参数

返回: void *

返回值

非NULL	mqtt_download实例的句柄
NULL	初始化失败, 一般是内存分配失败导致

函数调用图:

static void _md_core_mqtt_process_handler	(	void *	context,
		aiot_mqtt_event_t *	event,
		core_mqtt_event_t *	core_event
	)

static

int32_t aiot_mqtt_download_deinit ( void ** handle )

结束mqtt_download会话, 销毁实例并回收资源

参数

[in] handle 指向mqtt_download会话句柄的指针

返回: int32_t

返回值

<STATE_SUCCESS	执行失败
>=STATE_SUCCESS	执行成功

函数调用图:

static int32_t _download_digest_update	(	mqtt_download_handle_t *	download_handle,
		uint8_t *	buffer,
		uint32_t	buffer_len
	)

static

static int32_t _download_digest_verify ( mqtt_download_handle_t * download_handle )

static

static int32_t _download_report_progress	(	void *	handle,
		int32_t	percent
	)

static

函数调用图:

static int32_t _parse_json_header	(	void *	handle,
		char *	data,
		uint32_t	data_len,
		aiot_mqtt_download_recv_t *	pakcet
	)

static

static void _md_resend_request ( mqtt_download_handle_t * md_handle )

static

函数调用图:

int32_t aiot_mqtt_download_setopt	(	void *	handle,
		aiot_mqtt_download_option_t	option,
		void *	data
	)

配置mqtt_download会话

参数

[in]	handle	mqtt_download会话句柄
[in]	option	配置选项, 更多信息请参考aiot_mqtt_download_option_t
[in]	data	配置选项数据, 更多信息请参考aiot_mqtt_download_option_t

返回: int32_t

返回值

<STATE_SUCCESS	参数配置失败
>=STATE_SUCCESS	参数配置成功

函数调用图:

static int32_t _md_reset_handle ( mqtt_download_handle_t * md_handle )

static

int32_t aiot_mqtt_download_process ( void * handle )

处理下载逻辑

参数

handle mqtt_download会话句柄

返回: int32_t

返回值

STATE_MQTT_DOWNLOAD_INIT	初始化完成
STATE_MQTT_DOWNLOAD_ING	正在下载
STATE_MQTT_DOWNLOAD_SUCCESS	下载完成
STATE_MQTT_DOWNLOAD_FAILED_RECVERROR	数据接收错误
STATE_MQTT_DOWNLOAD_FAILED_TIMEOUT	接收超时
STATE_MQTT_DOWNLOAD_FAILED_MISMATCH	校验错误
STATE_MQTT_DOWNLOAD_MQTT_HANDLE_NULL	handle没有初始化
STATE_MQTT_DOWNLOAD_TASK_DEINIT	没有设置task

函数调用图:

变量说明

const uint16_t crc_ibm_table[256]