#include <syslog.h>
#include <limits.h>
#include <dirent.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include "dlt_offline_logstorage.h"
#include "dlt_offline_logstorage_behavior.h"

Include dependency graph for dlt_offline_logstorage_behavior.c:

Functions
void	dlt_logstorage_log_file_name (char log_file_name, DltLogStorageUserConfig file_config, char *name, int idx)

void	dlt_logstorage_sort_file_name (DltLogStorageFileList **head)

void	dlt_logstorage_rearrange_file_name (DltLogStorageFileList **head)

unsigned int	dlt_logstorage_get_idx_of_log_file (DltLogStorageUserConfig file_config, char file)

int	dlt_logstorage_storage_dir_info (DltLogStorageUserConfig file_config, char path, DltLogStorageConfigData *config)

int	dlt_logstorage_open_log_file (DltLogStorageConfigData config, DltLogStorageUserConfig file_config, char *dev_path, int msg_size)

int	dlt_logstorage_prepare_on_msg (DltLogStorageConfigData config, DltLogStorageUserConfig file_config, char *dev_path, int log_msg_size)

int	dlt_logstorage_write_on_msg (DltLogStorageConfigData config, unsigned char data1, int size1, unsigned char data2, int size2, unsigned char data3, int size3)

int	dlt_logstorage_sync_on_msg (DltLogStorageConfigData *config, int status)

int	dlt_logstorage_prepare_msg_cache (DltLogStorageConfigData config, DltLogStorageUserConfig file_config, char *dev_path, int log_msg_size)

int	dlt_logstorage_write_msg_cache (DltLogStorageConfigData config, unsigned char data1, int size1, unsigned char data2, int size2, unsigned char data3, int size3)

int	dlt_logstorage_sync_msg_cache (DltLogStorageConfigData *config, int status)

Detailed Description

app begin@ Copyright (C) 2015 Advanced Driver Information Technology. This code is developed by Advanced Driver Information Technology. Copyright of Advanced Driver Information Technology, Bosch and DENSO.

DLT offline log storage functionality source file.

Copyright: This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

Author: Christoph Lipka clipk.nosp@m.a@jp.nosp@m..adit.nosp@m.-jv..nosp@m.com ADIT 2015; Syed Hameed shame.nosp@m.ed@j.nosp@m.p.adi.nosp@m.t-jv.nosp@m..com ADIT 2015

For further information see http://www.genivi.org/. end@

Definition in file dlt_offline_logstorage_behavior.c.

Function Documentation

unsigned int dlt_logstorage_get_idx_of_log_file	(	DltLogStorageUserConfig *	file_config,
		char *	file
	)

dlt_logstorage_get_idx_of_log_file

Extract index of log file name passed as input argument

Parameters

file	file name to extract the index from
file_config	User configurations for log file

Returns: index on success, -1 if no index is found

Definition at line 203 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), DLT_OFFLINE_LOGSTORAGE_FILE_EXTENSION_LEN, DLT_OFFLINE_LOGSTORAGE_TIMESTAMP_LEN, DltLogStorageUserConfig::logfile_delimiter, DltLogStorageUserConfig::logfile_timestamp, and NULL.

Referenced by dlt_logstorage_open_log_file(), and dlt_logstorage_storage_dir_info().

void dlt_logstorage_log_file_name	(	char *	log_file_name,
		DltLogStorageUserConfig *	file_config,
		char *	name,
		int	idx
	)

dlt_logstorage_log_file_name

Create log file name in the form configured by the user <filename><delimiter><index><delimiter><timestamp>.dlt

filename: given in configuration file delimiter: Punctuation characters (configured in dlt.conf) timestamp: yyyy-mm-dd-hh-mm-ss (enabled/disabled in dlt.conf) index: Index len depends on wrap around value in dlt.conf ex: wrap around = 99, index will 01..99

Parameters

log_file_name	contains complete logfile name
file_config	User configurations for log file
name	file name given in configuration file
idx	continous index of log files @ return None

Definition at line 53 of file dlt_offline_logstorage_behavior.c.

References DLT_MOUNT_PATH_MAX, DLT_OFFLINE_LOGSTORAGE_TIMESTAMP_LEN, DltLogStorageUserConfig::logfile_counteridxlen, DltLogStorageUserConfig::logfile_delimiter, DltLogStorageUserConfig::logfile_maxcounter, DltLogStorageUserConfig::logfile_timestamp, and NULL.

Referenced by dlt_logstorage_open_log_file().

int dlt_logstorage_open_log_file	(	DltLogStorageConfigData *	config,
		DltLogStorageUserConfig *	file_config,
		char *	dev_path,
		int	msg_size
	)

dlt_logstorage_open_log_file

Open a log file. Check storage directory for already created files and open the oldest if there is enough space to store at least msg_size. Otherwise create a new file, but take configured max number of files into account and remove the oldest file if needed.

Parameters

config	DltLogStorageConfigData
file_config	User configurations for log file
dev_path	Storage device path
msg_size	Size of incoming message

Returns: 0 on succes, -1 on error

Definition at line 371 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), dlt_logstorage_get_idx_of_log_file(), dlt_logstorage_log_file_name(), dlt_logstorage_storage_dir_info(), DLT_MOUNT_PATH_MAX, DLT_OFFLINE_LOGSTORAGE_CONFIG_DIR_PATH_LEN, DltLogStorageConfigData::file_name, DltLogStorageConfigData::file_size, DltLogStorageConfigData::log, DltLogStorageUserConfig::logfile_maxcounter, DltLogStorageFileList::next, NULL, DltLogStorageConfigData::num_files, and DltLogStorageConfigData::records.

Referenced by dlt_logstorage_prepare_on_msg().

int dlt_logstorage_prepare_msg_cache	(	DltLogStorageConfigData *	config,
		DltLogStorageUserConfig *	file_config,
		char *	dev_path,
		int	log_msg_size
	)

dlt_logstorage_prepare_msg_cache

Prepare the log file for a certain filer. If log file not open or log files max size reached, open a new file. Create a memory area to cache data.

Parameters

config	DltLogStorageConfigData
file_config	User configurations for log file
dev_path	Storage device path
log_msg_size	Size of log message

Returns: 0 on success, -1 on error

Definition at line 680 of file dlt_offline_logstorage_behavior.c.

References DltLogStorageConfigData::cache, dlt_log(), dlt_logstorage_prepare_on_msg(), DltLogStorageConfigData::file_size, g_logstorage_cache_max, g_logstorage_cache_size, DltLogStorageConfigData::log, and NULL.

Referenced by dlt_logstorage_filter_set_strategy().

int dlt_logstorage_prepare_on_msg	(	DltLogStorageConfigData *	config,
		DltLogStorageUserConfig *	file_config,
		char *	dev_path,
		int	log_msg_size
	)

dlt_logstorage_prepare_on_msg

Prepare the log file for a certain filer. If log file not open or log files max size reached, open a new file.

Parameters

config	DltLogStorageConfigData
file_config	User configurations for log file
dev_path	Storage device path
log_msg_size	Size of log message

Returns: 0 on success, -1 on error

Definition at line 539 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), dlt_logstorage_open_log_file(), DltLogStorageConfigData::file_size, DltLogStorageConfigData::log, and NULL.

Referenced by dlt_logstorage_filter_set_strategy(), and dlt_logstorage_prepare_msg_cache().

void dlt_logstorage_rearrange_file_name ( DltLogStorageFileList ** head )

dlt_logstorage_rearrange_file_name

Rearrange the filenames in the order of latest and oldest

Parameters

head	Log filename list @ return None

Definition at line 159 of file dlt_offline_logstorage_behavior.c.

References DltLogStorageFileList::idx, DltLogStorageFileList::next, and NULL.

Referenced by dlt_logstorage_storage_dir_info().

void dlt_logstorage_sort_file_name ( DltLogStorageFileList ** head )

dlt_logstorage_sort_file_name

Sort the filenames with index based ascending order (bubble sort)

Parameters

head	Log filename list @ return None

Definition at line 116 of file dlt_offline_logstorage_behavior.c.

References DltLogStorageFileList::idx, DltLogStorageFileList::next, and NULL.

Referenced by dlt_logstorage_storage_dir_info().

int dlt_logstorage_storage_dir_info	(	DltLogStorageUserConfig *	file_config,
		char *	path,
		DltLogStorageConfigData *	config
	)

dlt_logstorage_storage_dir_info

Read file names of storage directory. Update the file list, arrange it in order of latest and oldest

Parameters

file_config	User configurations for log file
path	Path to storage directory
config	DltLogStorageConfigData

Returns: 0 on success, -1 on error

Definition at line 268 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), dlt_logstorage_get_idx_of_log_file(), dlt_logstorage_rearrange_file_name(), dlt_logstorage_sort_file_name(), DltLogStorageConfigData::file_name, DltLogStorageUserConfig::logfile_delimiter, DltLogStorageFileList::next, NULL, and DltLogStorageConfigData::records.

Referenced by dlt_logstorage_open_log_file().

int dlt_logstorage_sync_msg_cache	(	DltLogStorageConfigData *	config,
		int	status
	)

dlt_logstorage_sync_msg_cache

sync data to disk.

Parameters

config	DltLogStorageConfigData
status	Strategy flag

Returns: 0 on success, -1 on error

Definition at line 825 of file dlt_offline_logstorage_behavior.c.

References DltLogStorageConfigData::cache, dlt_log(), DLT_LOGSTORAGE_SYNC_ON_DAEMON_EXIT, DLT_OFFLINE_LOGSTORAGE_IS_STRATEGY_SET, DltLogStorageConfigData::file_size, DltLogStorageConfigData::log, NULL, and DltLogStorageConfigData::sync.

Referenced by dlt_logstorage_filter_set_strategy().

int dlt_logstorage_sync_on_msg	(	DltLogStorageConfigData *	config,
		int	status
	)

dlt_logstorage_sync_on_msg

sync data to disk.

Parameters

config	DltLogStorageConfigData
status	Strategy flag

Returns: 0 on success, -1 on error

Definition at line 645 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), DLT_LOGSTORAGE_SYNC_ON_MSG, DltLogStorageConfigData::log, and NULL.

Referenced by dlt_logstorage_filter_set_strategy().

int dlt_logstorage_write_msg_cache	(	DltLogStorageConfigData *	config,
		unsigned char *	data1,
		int	size1,
		unsigned char *	data2,
		int	size2,
		unsigned char *	data3,
		int	size3
	)

dlt_logstorage_write_msg_cache

Write the log message.

Parameters

config	DltLogStorageConfigData
data1	header
size1	header size
data2	storage header
size2	storage header size
data3	payload
size3	payload size

Returns: 0 on success, -1 on error

Definition at line 752 of file dlt_offline_logstorage_behavior.c.

References DltLogStorageConfigData::cache, dlt_log(), DltLogStorageConfigData::file_size, NULL, DltLogStorageCacheFooter::offset, and DltLogStorageCacheFooter::wrap_around_cnt.

Referenced by dlt_logstorage_filter_set_strategy().

int dlt_logstorage_write_on_msg	(	DltLogStorageConfigData *	config,
		unsigned char *	data1,
		int	size1,
		unsigned char *	data2,
		int	size2,
		unsigned char *	data3,
		int	size3
	)

dlt_logstorage_write_on_msg

Write the log message.

Parameters

config	DltLogStorageConfigData
data1	header
size1	header size
data2	storage header
size2	storage header size
data3	payload
size3	payload size

Returns: 0 on success, -1 on error

Definition at line 602 of file dlt_offline_logstorage_behavior.c.

References dlt_log(), DltLogStorageConfigData::log, and NULL.

Referenced by dlt_logstorage_filter_set_strategy().

Functions

Detailed Description

Function Documentation