*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
* Copyright (c) 2007 Toni Spets
- * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
#endif
#include <linux/route.h>
#include <math.h>
+#include <pthread.h>
/* The following ifdefs were adapted from gkrellm */
#include <linux/major.h>
{
}
-void update_uptime(void)
+int update_uptime(void)
{
#ifdef HAVE_SYSINFO
if (!prefer_proc) {
if (!(fp = open_file("/proc/uptime", &rep))) {
info.uptime = 0.0;
- return;
+ return 0;
}
fscanf(fp, "%lf", &info.uptime);
fclose(fp);
}
+ return 0;
}
int check_mount(char *s)
/* these things are also in sysinfo except Buffers:
* (that's why I'm reading them from proc) */
-void update_meminfo(void)
+int update_meminfo(void)
{
FILE *meminfo_fp;
static int rep = 0;
info.buffers = info.cached = info.memfree = info.memeasyfree = 0;
if (!(meminfo_fp = open_file("/proc/meminfo", &rep))) {
- return;
+ return 0;
}
while (!feof(meminfo_fp)) {
info.bufmem = info.cached + info.buffers;
fclose(meminfo_fp);
+ return 0;
}
int get_laptop_mode(void)
/* Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT */
#define RT_ENTRY_FORMAT "%63s %lx %lx %x %*d %*d %*d %lx %*d %*d %*d\n"
-void update_gateway_info(void)
+int update_gateway_info(void)
{
FILE *fp;
struct in_addr ina;
if ((fp = fopen("/proc/net/route", "r")) == NULL) {
update_gateway_info_failure("fopen()");
- return;
+ return 0;
}
/* skip over the table header line, which is always present */
}
}
fclose(fp);
- return;
+ return 0;
}
void free_gateway_info(void)
snprintf(p, p_max_size, "%s", gw_info.ip);
}
-void update_net_stats(void)
+int update_net_stats(void)
{
FILE *net_dev_fp;
static int rep = 0;
/* get delta */
delta = current_update_time - last_update_time;
if (delta <= 0.0001) {
- return;
+ return 0;
}
/* open file and ignore first two lines */
if (!(net_dev_fp = open_file("/proc/net/dev", &rep))) {
clear_net_stats();
- return;
+ return 0;
}
fgets(buf, 255, net_dev_fp); /* garbage */
fgets(buf, 255, net_dev_fp); /* garbage (field names) */
/* read each interface */
- for (i2 = 0; i2 < 16; i2++) {
+ for (i2 = 0; i2 < MAX_NET_INTERFACES; i2++) {
struct net_stat *ns;
char *s, *p;
char temp_addr[18];
ns->up = 1;
memset(&(ns->addr.sa_data), 0, 14);
- memset(ns->addrs, 0, 17 * 16 + 1); /* Up to 17 chars per ip, max 16 interfaces. Nasty memory usage... */
+ memset(ns->addrs, 0, 17 * MAX_NET_INTERFACES + 1); /* Up to 17 chars per ip, max MAX_NET_INTERFACES interfaces. Nasty memory usage... */
last_recv = ns->recv;
last_trans = ns->trans;
/*** ip addr patch ***/
i = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
- conf.ifc_buf = malloc(sizeof(struct ifreq) * 16);
- conf.ifc_len = sizeof(struct ifreq) * 16;
+ conf.ifc_buf = malloc(sizeof(struct ifreq) * MAX_NET_INTERFACES);
+ conf.ifc_len = sizeof(struct ifreq) * MAX_NET_INTERFACES;
memset(conf.ifc_buf, 0, conf.ifc_len);
ioctl((long) i, SIOCGIFCONF, &conf);
curtmp1 = curtmp1 + ns->net_rec[i];
curtmp2 = curtmp2 + ns->net_trans[i];
}
- if (curtmp1 == 0) {
- curtmp1 = 1;
- }
- if (curtmp2 == 0) {
- curtmp2 = 1;
- }
ns->recv_speed = curtmp1 / (double) info.net_avg_samples;
ns->trans_speed = curtmp2 / (double) info.net_avg_samples;
if (info.net_avg_samples > 1) {
first = 0;
fclose(net_dev_fp);
+ return 0;
}
int result;
-void update_total_processes(void)
+int update_total_processes(void)
{
DIR *dir;
struct dirent *entry;
info.procs = 0;
if (!(dir = opendir("/proc"))) {
- return;
+ return 0;
}
while ((entry = readdir(dir))) {
if (!entry) {
/* Problem reading list of processes */
closedir(dir);
info.procs = 0;
- return;
+ return 0;
}
if (sscanf(entry->d_name, "%d%c", &ignore1, &ignore2) == 1) {
info.procs++;
}
}
closedir(dir);
+ return 0;
}
-void update_threads(void)
+int update_threads(void)
{
#ifdef HAVE_SYSINFO
if (!prefer_proc) {
if (!(fp = open_file("/proc/loadavg", &rep))) {
info.threads = 0;
- return;
+ return 0;
}
fscanf(fp, "%*f %*f %*f %*d/%hu", &info.threads);
fclose(fp);
}
+ return 0;
}
#define CPU_SAMPLE_COUNT 15
#define TMPL_LONGSTAT "%*s %llu %llu %llu %llu %llu %llu %llu %llu"
#define TMPL_SHORTSTAT "%*s %llu %llu %llu %llu"
-inline static void update_stat(void)
+int update_stat(void)
{
FILE *stat_fp;
static int rep = 0;
const char *stat_template = NULL;
unsigned int malloc_cpu_size = 0;
extern void* global_cpu;
+
+ static pthread_mutex_t last_stat_update_mutex = PTHREAD_MUTEX_INITIALIZER;
static double last_stat_update = 0.0;
/* since we use wrappers for this function, the update machinery
* can't eliminate double invocations of this function. Check for
* them here, otherwise cpu_usage counters are freaking out. */
- if (last_stat_update == current_update_time)
- return;
+ pthread_mutex_lock(&last_stat_update_mutex);
+ if (last_stat_update == current_update_time) {
+ pthread_mutex_unlock(&last_stat_update_mutex);
+ return 0;
+ }
last_stat_update = current_update_time;
+ pthread_mutex_unlock(&last_stat_update_mutex);
/* add check for !info.cpu_usage since that mem is freed on a SIGUSR1 */
if (!cpu_setup || !info.cpu_usage) {
}
if (!(stat_fp = open_file("/proc/stat", &rep))) {
- info.run_procs = 0;
+ info.run_threads = 0;
if (info.cpu_usage) {
memset(info.cpu_usage, 0, info.cpu_count * sizeof(float));
}
- return;
+ return 0;
}
idx = 0;
}
if (strncmp(buf, "procs_running ", 14) == 0) {
- sscanf(buf, "%*s %hu", &info.run_procs);
+ sscanf(buf, "%*s %hu", &info.run_threads);
} else if (strncmp(buf, "cpu", 3) == 0) {
double delta;
if (isdigit(buf[3])) {
}
}
fclose(stat_fp);
+ return 0;
}
-void update_running_processes(void)
+int update_running_processes(void)
{
update_stat();
+ return 0;
}
-void update_cpu_usage(void)
+int update_cpu_usage(void)
{
update_stat();
+ return 0;
}
-void update_load_average(void)
+int update_load_average(void)
{
#ifdef HAVE_GETLOADAVG
if (!prefer_proc) {
if (!(fp = open_file("/proc/loadavg", &rep))) {
info.loadavg[0] = info.loadavg[1] = info.loadavg[2] = 0.0;
- return;
+ return 0;
}
fscanf(fp, "%f %f %f", &info.loadavg[0], &info.loadavg[1],
&info.loadavg[2]);
fclose(fp);
}
-}
-
-#define PROC_I8K "/proc/i8k"
-#define I8K_DELIM " "
-static char *i8k_procbuf = NULL;
-void update_i8k(void)
-{
- FILE *fp;
-
- if (!i8k_procbuf) {
- i8k_procbuf = (char *) malloc(128 * sizeof(char));
- }
- if ((fp = fopen(PROC_I8K, "r")) == NULL) {
- CRIT_ERR(NULL, NULL, "/proc/i8k doesn't exist! use insmod to make sure the kernel "
- "driver is loaded...");
- }
-
- memset(&i8k_procbuf[0], 0, 128);
- if (fread(&i8k_procbuf[0], sizeof(char), 128, fp) == 0) {
- NORM_ERR("something wrong with /proc/i8k...");
- }
-
- fclose(fp);
-
- i8k.version = strtok(&i8k_procbuf[0], I8K_DELIM);
- i8k.bios = strtok(NULL, I8K_DELIM);
- i8k.serial = strtok(NULL, I8K_DELIM);
- i8k.cpu_temp = strtok(NULL, I8K_DELIM);
- i8k.left_fan_status = strtok(NULL, I8K_DELIM);
- i8k.right_fan_status = strtok(NULL, I8K_DELIM);
- i8k.left_fan_rpm = strtok(NULL, I8K_DELIM);
- i8k.right_fan_rpm = strtok(NULL, I8K_DELIM);
- i8k.ac_status = strtok(NULL, I8K_DELIM);
- i8k.buttons_status = strtok(NULL, I8K_DELIM);
+ return 0;
}
/***********************************************************/
obj->data.opaque = NULL;
}
-/* Prior to kernel version 2.6.12, the CPU fan speed was available in
- * ADT746X_FAN_OLD, whereas later kernel versions provide this information in
- * ADT746X_FAN. */
-#define ADT746X_FAN "/sys/devices/temperatures/sensor1_fan_speed"
-#define ADT746X_FAN_OLD "/sys/devices/temperatures/cpu_fan_speed"
-
-void get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
-{
- static int rep = 0;
- char adt746x_fan_state[64];
- FILE *fp;
-
- if (!p_client_buffer || client_buffer_size <= 0) {
- return;
- }
-
- if ((fp = open_file(ADT746X_FAN, &rep)) == NULL
- && (fp = open_file(ADT746X_FAN_OLD, &rep)) == NULL) {
- sprintf(adt746x_fan_state, "adt746x not found");
- } else {
- fgets(adt746x_fan_state, sizeof(adt746x_fan_state), fp);
- adt746x_fan_state[strlen(adt746x_fan_state) - 1] = 0;
- fclose(fp);
- }
-
- snprintf(p_client_buffer, client_buffer_size, "%s", adt746x_fan_state);
-}
-
-/* Prior to kernel version 2.6.12, the CPU temperature was found in
- * ADT746X_CPU_OLD, whereas later kernel versions provide this information in
- * ADT746X_CPU. */
-#define ADT746X_CPU "/sys/devices/temperatures/sensor1_temperature"
-#define ADT746X_CPU_OLD "/sys/devices/temperatures/cpu_temperature"
-
-void get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
-{
- static int rep = 0;
- char adt746x_cpu_state[64];
- FILE *fp;
-
- if (!p_client_buffer || client_buffer_size <= 0) {
- return;
- }
-
- if ((fp = open_file(ADT746X_CPU, &rep)) == NULL
- && (fp = open_file(ADT746X_CPU_OLD, &rep)) == NULL) {
- sprintf(adt746x_cpu_state, "adt746x not found");
- } else {
- fscanf(fp, "%2s", adt746x_cpu_state);
- fclose(fp);
- }
-
- snprintf(p_client_buffer, client_buffer_size, "%s", adt746x_cpu_state);
-}
-
#define CPUFREQ_PREFIX "/sys/devices/system/cpu"
#define CPUFREQ_POSTFIX "cpufreq/scaling_cur_freq"
* Peter Tarjan (ptarjan@citromail.hu) */
/* return cpu voltage in mV (use divisor=1) or V (use divisor=1000) */
-char get_voltage(char *p_client_buffer, size_t client_buffer_size,
+static char get_voltage(char *p_client_buffer, size_t client_buffer_size,
const char *p_format, int divisor, unsigned int cpu)
{
FILE *f;
return 1;
}
+void print_voltage_mv(struct text_object *obj, char *p, int p_max_size)
+{
+ static int ok = 1;
+ if (ok) {
+ ok = get_voltage(p, p_max_size, "%.0f", 1, obj->data.i);
+ }
+}
+
+void print_voltage_v(struct text_object *obj, char *p, int p_max_size)
+{
+ static int ok = 1;
+ if (ok) {
+ ok = get_voltage(p, p_max_size, "%'.3f", 1000, obj->data.i);
+ }
+}
+
#define ACPI_FAN_DIR "/proc/acpi/fan/"
void get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
snprintf(p_client_buffer, client_buffer_size, "%s", buf);
}
-#define SYSFS_AC_ADAPTER_DIR "/sys/class/power_supply/AC"
+#define SYSFS_AC_ADAPTER_DIR "/sys/class/power_supply"
#define ACPI_AC_ADAPTER_DIR "/proc/acpi/ac_adapter/"
/* Linux 2.6.25 onwards ac adapter info is in
/sys/class/power_supply/AC/
POWER_SUPPLY_NAME=AC
POWER_SUPPLY_TYPE=Mains
POWER_SUPPLY_ONLINE=1
+
+ Update: it seems the folder name is hardware-dependent. We add an aditional adapter
+ argument, specifying the folder name.
+
+ Update: on some systems it's /sys/class/power_supply/ADP1 instead of /sys/class/power_supply/AC
*/
-void get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
+void get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size, const char *adapter)
{
static int rep = 0;
char buf[256];
char buf2[256];
+ struct stat sb;
FILE *fp;
if (!p_client_buffer || client_buffer_size <= 0) {
return;
}
- snprintf(buf2, sizeof(buf2), "%s/uevent", SYSFS_AC_ADAPTER_DIR);
- fp = open_file(buf2, &rep);
+ if(adapter)
+ snprintf(buf2, sizeof(buf2), "%s/%s/uevent", SYSFS_AC_ADAPTER_DIR, adapter);
+ else{
+ snprintf(buf2, sizeof(buf2), "%s/AC/uevent", SYSFS_AC_ADAPTER_DIR);
+ if(stat(buf2, &sb) == -1) snprintf(buf2, sizeof(buf2), "%s/ADP1/uevent", SYSFS_AC_ADAPTER_DIR);
+ }
+ if(stat(buf2, &sb) == 0) fp = open_file(buf2, &rep); else fp = 0;
if (fp) {
/* sysfs processing */
while (!feof(fp)) {
snprintf(buffer, n, "%s", pb_battery_info[i]);
}
-void update_top(void)
+int update_top(void)
{
process_find_top(info.cpu, info.memu, info.time
#ifdef IOSTATS
#endif
);
info.first_process = get_first_process();
+ return 0;
}
-void update_entropy(void)
+#define ENTROPY_AVAIL_PATH "/proc/sys/kernel/random/entropy_avail"
+
+int get_entropy_avail(unsigned int *val)
{
static int rep = 0;
- const char *entropy_avail = "/proc/sys/kernel/random/entropy_avail";
- const char *entropy_poolsize = "/proc/sys/kernel/random/poolsize";
- FILE *fp1, *fp2;
+ FILE *fp;
- info.entropy.entropy_avail = 0;
- info.entropy.poolsize = 0;
+ if (!(fp = open_file(ENTROPY_AVAIL_PATH, &rep)))
+ return 1;
- if ((fp1 = open_file(entropy_avail, &rep)) == NULL) {
- return;
- }
+ if (fscanf(fp, "%u", val) != 1)
+ return 1;
- if ((fp2 = open_file(entropy_poolsize, &rep)) == NULL) {
- fclose(fp1);
- return;
- }
+ fclose(fp);
+ return 0;
+}
+
+#define ENTROPY_POOLSIZE_PATH "/proc/sys/kernel/random/poolsize"
+
+int get_entropy_poolsize(unsigned int *val)
+{
+ static int rep = 0;
+ FILE *fp;
+
+ if (!(fp = open_file(ENTROPY_POOLSIZE_PATH, &rep)))
+ return 1;
- fscanf(fp1, "%u", &info.entropy.entropy_avail);
- fscanf(fp2, "%u", &info.entropy.poolsize);
+ if (fscanf(fp, "%u", val) != 1)
+ return 1;
- fclose(fp1);
- fclose(fp2);
+ fclose(fp);
+ return 0;
}
const char *get_disk_protect_queue(const char *disk)
return (state > 0) ? "frozen" : "free ";
}
-void update_diskio(void)
+typedef struct DEV_LIST_TYPE
+{
+ char *dev_name;
+ int memoized;
+ struct DEV_LIST_TYPE *next;
+
+} DEV_LIST, *DEV_LIST_PTR;
+
+/* Same as sf #2942117 but memoized using a linked list */
+int is_disk(char *dev)
+{
+ char syspath[PATH_MAX];
+ char *slash;
+ static DEV_LIST_PTR dev_head = NULL;
+ DEV_LIST_PTR dev_cur, dev_last;
+
+ dev_cur = dev_head;
+
+ while (dev_cur) {
+ if (strcmp(dev_cur->dev_name, dev) == 0)
+ return dev_cur->memoized;
+ dev_last = dev_cur;
+ dev_cur = dev_cur->next;
+ }
+
+ dev_cur = (DEV_LIST_PTR)malloc(sizeof(DEV_LIST));
+ dev_cur->dev_name = (char *)malloc((strlen(dev)+1)*sizeof(char));
+ strcpy(dev_cur->dev_name,dev);
+ dev_cur->next = NULL;
+
+ while ((slash = strchr(dev, '/')))
+ *slash = '!';
+ snprintf(syspath, sizeof(syspath), "/sys/block/%s", dev);
+ dev_cur->memoized = !(access(syspath, F_OK));
+
+ if (dev_head)
+ dev_last->next = dev_cur;
+ else
+ dev_head = dev_cur;
+
+ return dev_cur->memoized;
+}
+
+int update_diskio(void)
{
FILE *fp;
static int rep = 0;
stats.current_write = 0;
if (!(fp = open_file("/proc/diskstats", &rep))) {
- return;
+ return 0;
}
/* read reads and writes from all disks (minor = 0), including cd-roms
* XXX: ignore devices which are part of a SW RAID (MD_MAJOR) */
if (col_count == 5 && major != LVM_BLK_MAJOR && major != NBD_MAJOR
&& major != RAMDISK_MAJOR && major != LOOP_MAJOR) {
- total_reads += reads;
- total_writes += writes;
+ /* check needed for kernel >= 2.6.31, see sf #2942117 */
+ if (is_disk(devbuf)) {
+ total_reads += reads;
+ total_writes += writes;
+ }
} else {
col_count = sscanf(buf, "%u %u %s %*u %u %*u %u",
&major, &minor, devbuf, &reads, &writes);
}
update_diskio_values(&stats, total_reads, total_writes);
fclose(fp);
+ return 0;
}
projects / monky / blobdiff