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/*
* @licence app begin@
* SPDX license identifier: MPL-2.0
*
* Copyright (C) 2011-2015, BMW AG
*
* This file is part of GENIVI Project DLT - Diagnostic Log and Trace.
*
* This Source Code Form is subject to the terms of the
* Mozilla Public License (MPL), 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/.
*
* For further information see http://www.genivi.org/.
* @licence end@
*/
/*!
* \author Lassi Marttala <lassi.lm.marttala@partner.bmw.de>
*
* \copyright Copyright © 2011-2015 BMW AG. \n
* License MPL-2.0: Mozilla Public License version 2.0 http://mozilla.org/MPL/2.0/.
*
* \file dlt-system-processes.c
*/
/*******************************************************************************
** **
** SRC-MODULE: dlt-system-processes.c **
** **
** TARGET : linux **
** **
** PROJECT : DLT **
** **
** AUTHOR : Lassi Marttala <lassi.lm.marttala@partner.bmw.de> **
** Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
** **
** PURPOSE : **
** **
** REMARKS : **
** **
** PLATFORM DEPENDANT [yes/no]: yes **
** **
** TO BE CHANGED BY USER [yes/no]: no **
** **
*******************************************************************************/
#include <pthread.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "dlt-system.h"
/* Modes of sending */
#define SEND_MODE_OFF 0
#define SEND_MODE_ONCE 1
#define SEND_MODE_ON 2
extern DltSystemThreads threads;
DLT_IMPORT_CONTEXT(dltsystem)
DLT_DECLARE_CONTEXT(procContext)
void send_process(LogProcessOptions const *popts, int n)
{
DLT_LOG(dltsystem, DLT_LOG_DEBUG,
DLT_STRING("dlt-system-processes, send process info."));
FILE *pFile;
struct dirent *dp;
char filename[PATH_MAX];
char buffer[1024];
int bytes;
int found = 0;
/* go through all process files in directory */
DIR *dir = opendir("/proc");
if (dir != NULL) {
while ((dp = readdir(dir)) != NULL)
if (isdigit(dp->d_name[0])) {
buffer[0] = 0;
snprintf(filename, PATH_MAX, "/proc/%s/cmdline", dp->d_name);
pFile = fopen(filename, "r");
if (pFile != NULL) {
bytes = fread(buffer, 1, sizeof(buffer) - 1, pFile);
fclose(pFile);
}
if ((strcmp((*popts).Name[n], "*") == 0) ||
(strcmp(buffer, (*popts).Name[n]) == 0)) {
found = 1;
snprintf(filename, PATH_MAX, "/proc/%s/%s", dp->d_name, (*popts).Filename[n]);
pFile = fopen(filename, "r");
if (pFile != NULL) {
bytes = fread(buffer, 1, sizeof(buffer) - 1, pFile);
fclose(pFile);
if (bytes > 0) {
buffer[bytes] = 0;
DLT_LOG(procContext, DLT_LOG_INFO, DLT_INT(atoi(dp->d_name)),
DLT_STRING((*popts).Filename[n]), DLT_STRING(buffer));
}
}
if (strcmp((*popts).Name[n], "*") != 0)
break;
}
}
closedir(dir);
}
else {
DLT_LOG(dltsystem, DLT_LOG_ERROR,
DLT_STRING("dlt-system-processes, failed to open /proc."));
}
if (!found)
DLT_LOG(procContext, DLT_LOG_INFO, DLT_STRING("Process"), DLT_STRING((*popts).Name[n]),
DLT_STRING("not running!"));
}
void logprocess_thread(void *v_conf)
{
DLT_LOG(dltsystem, DLT_LOG_DEBUG,
DLT_STRING("dlt-system-processes, in thread."));
DltSystemConfiguration *conf = (DltSystemConfiguration *)v_conf;
DLT_REGISTER_CONTEXT(procContext, conf->LogProcesses.ContextId, "Log Processes");
int process_delays[DLT_SYSTEM_LOG_PROCESSES_MAX];
int i;
for (i = 0; i < conf->LogProcesses.Count; i++)
process_delays[i] = conf->LogProcesses.TimeDelay[i];
while (!threads.shutdown) {
sleep(1);
for (i = 0; i < conf->LogProcesses.Count; i++) {
if (conf->LogProcesses.Mode[i] == SEND_MODE_OFF)
continue;
if (process_delays[i] <= 0) {
send_process(&(conf->LogProcesses), i);
process_delays[i] = conf->LogProcesses.TimeDelay[i];
if (conf->LogProcesses.Mode[i] == SEND_MODE_ONCE)
conf->LogProcesses.Mode[i] = SEND_MODE_OFF;
}
else {
process_delays[i]--;
}
}
}
}
void start_logprocess(DltSystemConfiguration *conf)
{
DLT_LOG(dltsystem, DLT_LOG_DEBUG,
DLT_STRING("dlt-system-processes, starting process log."));
static pthread_attr_t t_attr;
static pthread_t pt;
pthread_create(&pt, &t_attr, (void *)logprocess_thread, conf);
threads.threads[threads.count++] = pt;
}
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