+++ /dev/null
-/*
- * Copyright (C) 2010-2014 jeanfi@gmail.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-#define _LARGEFILE_SOURCE 1
-#include "config.h"
-
-#include <locale.h>
-#include <libintl.h>
-#define _(str) gettext(str)
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "bool.h"
-#include "config.h"
-#include <plog.h>
-#include <pmutex.h>
-#include "ptime.h"
-#include "slog.h"
-
-static FILE *file;
-static double *last_values;
-static int period;
-static struct psensor **sensors;
-static pthread_mutex_t *sensors_mutex;
-static pthread_t thread;
-static time_t st;
-
-static const char *DEFAULT_FILENAME = "sensors.log";
-
-static char *time_to_str(time_t *t)
-{
- struct tm lt;
- char *str;
-
- if (!localtime_r(t, <))
- return NULL;
-
- str = malloc(64);
-
- if (strftime(str, 64, "%s", <))
- return str;
-
- free(str);
- return NULL;
-}
-
-static char *get_default_path()
-{
- char *home, *path, *dir;
-
- home = getenv("HOME");
-
- if (home) {
- dir = malloc(strlen(home)+1+strlen(".psensor")+1);
- sprintf(dir, "%s/%s", home, ".psensor");
- mkdir(dir, 0777);
-
- path = malloc(strlen(dir)+1+strlen(DEFAULT_FILENAME)+1);
- sprintf(path, "%s/%s", dir, DEFAULT_FILENAME);
-
- free(dir);
-
- return path;
- }
-
- log_warn(_("HOME variable not set."));
- return strdup(DEFAULT_FILENAME);
-}
-
-static bool slog_open(const char *path, struct psensor **sensors)
-{
- char *lpath, *t;
-
- if (file) {
- log_err(_("Sensor log file already open."));
- return 0;
- }
-
- lpath = path ? (char *)path : get_default_path();
-
- file = fopen(lpath, "a");
-
- if (!file)
- log_err(_("Cannot open sensor log file: %s."), lpath);
-
- if (!path)
- free((char *)lpath);
-
- if (!file)
- return 0;
-
- st = time(NULL);
- t = time_to_str(&st);
-
- fprintf(file, "I,%s,%s\n", t, VERSION);
-
- while (*sensors) {
- fprintf(file, "S,%s,%x\n", (*sensors)->id, (*sensors)->type);
- sensors++;
- }
-
- fflush(file);
-
- return 1;
-}
-
-static void slog_write_sensors(struct psensor **sensors)
-{
- int count, i;
- double v;
- struct timeval tv;
- bool first_call;
-
- if (!file) {
- log_debug(_("Sensor log file not open."));
- return;
- }
-
- gettimeofday(&tv, NULL);
-
- count = psensor_list_size(sensors);
-
- if (last_values) {
- first_call = 0;
- } else {
- first_call = 1;
- last_values = malloc(count * sizeof(double));
- }
-
- fprintf(file, "%ld", (long int)(tv.tv_sec - st));
- for (i = 0; i < count; i++) {
- v = psensor_get_current_value(sensors[i]);
-
- if (!first_call && last_values[i] == v)
- fputc(',', file);
- else
- fprintf(file, ",%.1f", v);
-
- last_values[i] = v;
- }
-
- fputc('\n', file);
-
- fflush(file);
-}
-
-static void *slog_routine(void *data)
-{
- while (1) {
- pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
- pmutex_lock(sensors_mutex);
- slog_write_sensors(sensors);
- pmutex_unlock(sensors_mutex);
- pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
- sleep(period);
- }
-
- pthread_exit(0);
-}
-
-void slog_close()
-{
- if (file) {
- pthread_cancel(thread);
-
- fclose(file);
- file = NULL;
- free(last_values);
- last_values = NULL;
- } else {
- log_debug(_("Sensor log not open, cannot close."));
- }
-}
-
-bool slog_activate(const char *path,
- struct psensor **ss,
- pthread_mutex_t *mutex,
- int p)
-{
- bool ret;
-
- sensors = ss;
- sensors_mutex = mutex;
- period = p;
-
- pthread_mutex_lock(mutex);
- ret = slog_open(path, sensors);
- pthread_mutex_unlock(mutex);
-
- if (ret)
- pthread_create(&thread, NULL, slog_routine, NULL);
-
- return ret;
-}