diff options
Diffstat (limited to 'modules/devices/sensors.c')
| -rw-r--r-- | modules/devices/sensors.c | 453 |
1 files changed, 0 insertions, 453 deletions
diff --git a/modules/devices/sensors.c b/modules/devices/sensors.c deleted file mode 100644 index c9d78ff7..00000000 --- a/modules/devices/sensors.c +++ /dev/null @@ -1,453 +0,0 @@ -/* - * HardInfo - Displays System Information - * Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@hardinfo.org> - * - * 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, version 2. - * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <string.h> - -#include "devices.h" -#include "expr.h" -#include "hardinfo.h" -#include "socket.h" - -gchar *sensors = NULL; -GHashTable *sensor_compute = NULL; -GHashTable *sensor_labels = NULL; - -static void read_sensor_labels(gchar *driver) { - FILE *conf; - gchar buf[256], *line, *p; - gboolean lock = FALSE; - gint i; - - /* Try to open lm-sensors config file sensors3.conf */ - conf = fopen("/etc/sensors3.conf", "r"); - - /* If it fails, try to open sensors.conf */ - if (!conf) - conf = fopen("/etc/sensors.conf", "r"); - - if (!conf) { - /* Cannot open config file. */ - return; - } - - while (fgets(buf, 256, conf)) { - line = buf; - - remove_linefeed(line); - strend(line, '#'); - - if (*line == '\0') { - continue; - } else if (lock && strstr(line, "label")) { /* label lines */ - gchar **names = g_strsplit(strstr(line, "label") + 5, " ", 0); - gchar *name = NULL, *value = NULL; - - for (i = 0; names[i]; i++) { - if (names[i][0] == '\0') - continue; - - if (!name) - name = g_strdup(names[i]); - else if (!value) - value = g_strdup(names[i]); - else - value = g_strconcat(value, " ", names[i], NULL); - } - - remove_quotes(value); - g_hash_table_insert(sensor_labels, name, value); - - g_strfreev(names); - } else if (lock && strstr(line, "ignore")) { /* ignore lines */ - p = strstr(line, "ignore") + 6; - if (!strchr(p, ' ')) - continue; - - while (*p == ' ') - p++; - g_hash_table_insert(sensor_labels, g_strdup(p), "ignore"); - } else if (lock && strstr(line, "compute")) { /* compute lines */ - gchar **formulas = g_strsplit(strstr(line, "compute") + 7, " ", 0); - gchar *name = NULL, *formula = NULL; - - for (i = 0; formulas[i]; i++) { - if (formulas[i][0] == '\0') - continue; - if (formulas[i][0] == ',') - break; - - if (!name) - name = g_strdup(formulas[i]); - else if (!formula) - formula = g_strdup(formulas[i]); - else - formula = g_strconcat(formula, formulas[i], NULL); - } - - g_strfreev(formulas); - g_hash_table_insert(sensor_compute, name, - math_string_to_postfix(formula)); - } else if (g_str_has_prefix(line, - "chip")) { /* chip lines (delimiter) */ - if (lock == FALSE) { - gchar **chips = g_strsplit(line, " ", 0); - - for (i = 1; chips[i]; i++) { - strend(chips[i], '*'); - - if (g_str_has_prefix(chips[i] + 1, driver)) { - lock = TRUE; - break; - } - } - - g_strfreev(chips); - } else { - break; - } - } - } - - fclose(conf); -} - -static void add_sensor(const char *type, - const char *sensor, - const char *driver, - double value, - const char *unit) { - char key[64]; - - sensors = h_strdup_cprintf("%s/%s=%.2f%s|%s\n", sensors, - driver, sensor, value, unit, type); - - snprintf(key, sizeof(key), "%s/%s", driver, sensor); - moreinfo_add_with_prefix("DEV", key, g_strdup_printf("%.2f%s", value, unit)); - - lginterval = h_strdup_cprintf("UpdateInterval$%s=1000\n", lginterval, key); -} - -static gchar *get_sensor_label(gchar *sensor) { - gchar *ret; - - ret = g_hash_table_lookup(sensor_labels, sensor); - if (!ret) - ret = g_strdup(sensor); - else - ret = g_strdup(ret); - - return ret; -} - -static float adjust_sensor(gchar *name, float value) { - GSList *postfix; - - postfix = g_hash_table_lookup(sensor_compute, name); - if (!postfix) - return value; - - return math_postfix_eval(postfix, value); -} - -static char *get_sensor_path(int number, const char *prefix) { - return g_strdup_printf("/sys/class/hwmon/hwmon%d/%s", number, prefix); -} - -static char *determine_driver_for_hwmon_path(char *path) { - char *tmp, *driver; - - tmp = g_strdup_printf("%s/device/driver", path); - driver = g_file_read_link(tmp, NULL); - g_free(tmp); - - if (driver) { - tmp = g_path_get_basename(driver); - g_free(driver); - driver = tmp; - } else { - tmp = g_strdup_printf("%s/device", path); - driver = g_file_read_link(tmp, NULL); - g_free(tmp); - } - - if (!driver) { - tmp = g_strdup_printf("%s/name", path); - if (!g_file_get_contents(tmp, &driver, NULL, NULL)) { - driver = g_strdup("unknown"); - } else { - driver = g_strstrip(driver); - } - g_free(tmp); - } - - return driver; -} - -struct HwmonSensor { - const char *friendly_name; - const char *path_format; - const char *key_format; - const char *unit; - const float adjust_ratio; - const int begin_at; -}; - -static const struct HwmonSensor hwmon_sensors[] = { - { - "Fan", - "%s/fan%d_input", - "fan%d", - "RPM", - 1.0, - 1 - }, - { - "Temperature", - "%s/temp%d_input", - "temp%d", - "\302\260C", - 1000.0, - 1 - }, - { - "Voltage", - "%s/in%d_input", - "in%d", - "V", - 1000.0, - 0 - }, - { } -}; - -static const char *hwmon_prefix[] = {"device", "", NULL}; - -static void read_sensors_hwmon(void) { - int hwmon, count; - gchar *path_hwmon, *path_sensor, *tmp, *driver, *name, *mon; - const char **prefix; - - for (prefix = hwmon_prefix; *prefix; prefix++) { - hwmon = 0; - path_hwmon = get_sensor_path(hwmon, *prefix); - while (path_hwmon && g_file_test(path_hwmon, G_FILE_TEST_EXISTS)) { - const struct HwmonSensor *sensor; - - driver = determine_driver_for_hwmon_path(path_hwmon); - DEBUG("hwmon%d has driver=%s", hwmon, driver); - - if (!sensor_labels) { - read_sensor_labels(driver); - } - - for (sensor = hwmon_sensors; sensor->friendly_name; sensor++) { - DEBUG("current sensor type=%s", sensor->friendly_name); - - for (count = sensor->begin_at;; count++) { - path_sensor = - g_strdup_printf(sensor->path_format, path_hwmon, count); - DEBUG("should be reading from %s", path_sensor); - if (!g_file_get_contents(path_sensor, &tmp, NULL, NULL)) { - g_free(path_sensor); - if (count < 256) - continue; // brute-force find all - else - break; - } - - mon = g_strdup_printf(sensor->key_format, count); - name = get_sensor_label(mon); - if (!g_str_equal(name, "ignore")) { - float adjusted = adjust_sensor(mon, - atof(tmp) / sensor->adjust_ratio); - - add_sensor(sensor->friendly_name, - name, - driver, - adjusted, - sensor->unit); - } - - g_free(tmp); - g_free(mon); - g_free(name); - g_free(path_sensor); - } - } - - g_free(path_hwmon); - g_free(driver); - - path_hwmon = get_sensor_path(++hwmon, *prefix); - } - - g_free(path_hwmon); - } -} - -static void read_sensors_acpi(void) { - const gchar *path_tz = "/proc/acpi/thermal_zone"; - - if (g_file_test(path_tz, G_FILE_TEST_EXISTS)) { - GDir *tz; - - if ((tz = g_dir_open(path_tz, 0, NULL))) { - const gchar *entry; - - while ((entry = g_dir_read_name(tz))) { - gchar *path = - g_strdup_printf("%s/%s/temperature", path_tz, entry); - gchar *contents; - - if (g_file_get_contents(path, &contents, NULL, NULL)) { - int temperature; - - sscanf(contents, "temperature: %d C", &temperature); - - add_sensor("Temperature", - entry, - "ACPI Thermal Zone", - temperature, - "\302\260C"); - } - } - - g_dir_close(tz); - } - } -} - -static void read_sensors_sys_thermal(void) { - const gchar *path_tz = "/sys/class/thermal"; - - if (g_file_test(path_tz, G_FILE_TEST_EXISTS)) { - GDir *tz; - - if ((tz = g_dir_open(path_tz, 0, NULL))) { - const gchar *entry; - gchar *temp = g_strdup(""); - - while ((entry = g_dir_read_name(tz))) { - gchar *path = g_strdup_printf("%s/%s/temp", path_tz, entry); - gchar *contents; - - if (g_file_get_contents(path, &contents, NULL, NULL)) { - int temperature; - - sscanf(contents, "%d", &temperature); - - add_sensor("Temperature", - entry, - "thermal", - temperature / 1000.0, - "\302\260C"); - - g_free(contents); - } - } - - g_dir_close(tz); - } - } -} - -static void read_sensors_omnibook(void) { - const gchar *path_ob = "/proc/omnibook/temperature"; - gchar *contents; - - if (g_file_get_contents(path_ob, &contents, NULL, NULL)) { - int temperature; - - sscanf(contents, "CPU temperature: %d C", &temperature); - - add_sensor("Temperature", - "CPU", - "omnibook", - temperature, - "\302\260C\n"); - - g_free(contents); - } -} - -static void read_sensors_hddtemp(void) { - Socket *s; - gchar buffer[1024]; - gint len = 0; - - if (!(s = sock_connect("127.0.0.1", 7634))) - return; - - while (!len) - len = sock_read(s, buffer, sizeof(buffer)); - sock_close(s); - - if (len > 2 && buffer[0] == '|' && buffer[1] == '/') { - gchar **disks; - int i; - - disks = g_strsplit(buffer, "\n", 0); - for (i = 0; disks[i]; i++) { - gchar **fields = g_strsplit(disks[i] + 1, "|", 5); - - /* - * 0 -> /dev/hda - * 1 -> FUJITSU MHV2080AH - * 2 -> 41 - * 3 -> C - */ - const gchar *unit = strcmp(fields[3], "C") - ? "\302\260C" : "\302\260F"; - add_sensor("Hard Drive", - fields[1], - "hddtemp", - atoi(fields[2]), - unit); - - g_strfreev(fields); - } - - g_strfreev(disks); - } -} - -void scan_sensors_do(void) { - g_free(sensors); - sensors = g_strdup(""); - - g_free(lginterval); - lginterval = g_strdup(""); - - read_sensors_hwmon(); - read_sensors_acpi(); - read_sensors_sys_thermal(); - read_sensors_omnibook(); - read_sensors_hddtemp(); - /* FIXME: Add support for ibm acpi and more sensors */ -} - -void sensors_init(void) { - sensor_labels = - g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); - sensor_compute = g_hash_table_new(g_str_hash, g_str_equal); -} - -void sensors_shutdown(void) { - g_hash_table_destroy(sensor_labels); - g_hash_table_destroy(sensor_compute); -} |