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f528f66c49
conky/src/openbsd.c
Brenden Matthews f528f66c49 woops, forget to add openbsd source 
git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky1@849 7f574dfc-610e-0410-a909-a81674777703
2007-03-01 01:46:11 +00:00

877 lines
17 KiB
C
Raw Blame History

/*
* openbsd.c
* Contains OpenBSD specific stuff
*
*/
#include <sys/dkstat.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/vmmeter.h>
#include <sys/user.h>
#include <sys/ioctl.h>
#include <sys/sensors.h>
#include <sys/malloc.h>
#include <sys/swap.h>
#include <kvm.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <ifaddrs.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <machine/apmvar.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_ioctl.h>
#include "conky.h"
#define MAXSHOWDEVS 16
#define LOG1024 10
#define pagetok(size) ((size) << pageshift)
#if 0
#define OPENBSD_DEBUG
#endif
inline void proc_find_top(struct process **cpu, struct process **mem);
static short cpu_setup = 0;
static kvm_t *kd = 0;
struct ifmibdata *data = NULL;
size_t len = 0;
int init_kvm = 0;
int init_sensors = 0;
static int kvm_init()
{
if(init_kvm)
return 1;
kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, NULL);
if(kd == NULL)
fprintf(stderr, "error opening kvm\n");
else init_kvm = 1;
return 1;
}
/* note: swapmode taken from 'top' source */
/*
* swapmode is rewritten by Tobias Weingartner <weingart@openbsd.org>
* to be based on the new swapctl(2) system call.
*/
static int
swapmode(int *used, int *total)
{
struct swapent *swdev;
int nswap, rnswap, i;
nswap = swapctl(SWAP_NSWAP, 0, 0);
if (nswap == 0)
return 0;
swdev = malloc(nswap * sizeof(*swdev));
if (swdev == NULL)
return 0;
rnswap = swapctl(SWAP_STATS, swdev, nswap);
if (rnswap == -1)
return 0;
/* if rnswap != nswap, then what? */
/* Total things up */
*total = *used = 0;
for (i = 0; i < nswap; i++) {
if (swdev[i].se_flags & SWF_ENABLE) {
*used += (swdev[i].se_inuse / (1024 / DEV_BSIZE));
*total += (swdev[i].se_nblks / (1024 / DEV_BSIZE));
}
}
free(swdev);
return 1;
}
void
update_uptime()
{
int mib[2] = { CTL_KERN, KERN_BOOTTIME };
struct timeval boottime;
time_t now;
size_t size = sizeof (boottime);
if ((sysctl(mib, 2, &boottime, &size, NULL, 0) != -1) &&
(boottime.tv_sec != 0)) {
time(&now);
info.uptime = now - boottime.tv_sec;
} else {
fprintf(stderr, "Could not get uptime\n");
info.uptime = 0;
}
}
void
update_meminfo()
{
static int mib[2] = {CTL_VM, VM_METER};
struct vmtotal vmtotal;
size_t size;
int pagesize, pageshift, swap_avail, swap_used;
pagesize = getpagesize();
pageshift = 0;
while (pagesize > 1) {
pageshift++;
pagesize >>= 1;
}
/* we only need the amount of log(2)1024 for our conversion */
pageshift -= LOG1024;
/* get total -- systemwide main memory usage structure */
size = sizeof(vmtotal);
if (sysctl(mib, 2, &vmtotal, &size, NULL, 0) < 0) {
warn("sysctl failed");
bzero(&vmtotal, sizeof(vmtotal));
}
info.memmax = pagetok(vmtotal.t_rm) + pagetok(vmtotal.t_free);
info.mem = pagetok(vmtotal.t_rm);
if ((swapmode(&swap_used, &swap_avail)) >= 0) {
info.swapmax = swap_avail;
info.swap = swap_used;
} else {
info.swapmax = 0;
info.swap = 0;
}
}
void
update_net_stats()
{
struct net_stat *ns;
double delta;
long long r, t, last_recv, last_trans;
struct ifaddrs *ifap, *ifa;
struct if_data *ifd;
/* get delta */
delta = current_update_time - last_update_time;
if (delta <= 0.0001)
return;
if (getifaddrs(&ifap) < 0)
return;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
ns = get_net_stat((const char *) ifa->ifa_name);
if (ifa->ifa_flags & IFF_UP) {
struct ifaddrs *iftmp;
ns->up = 1;
ns->linkstatus = 1;
last_recv = ns->recv;
last_trans = ns->trans;
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
for (iftmp = ifa->ifa_next; iftmp != NULL &&
strcmp(ifa->ifa_name, iftmp->ifa_name) == 0;
iftmp = iftmp->ifa_next)
if (iftmp->ifa_addr->sa_family == AF_INET)
memcpy(&(ns->addr), iftmp->ifa_addr,
iftmp->ifa_addr->sa_len);
ifd = (struct if_data *) ifa->ifa_data;
r = ifd->ifi_ibytes;
t = ifd->ifi_obytes;
if (r < ns->last_read_recv)
ns->recv +=
((long long) 4294967295U -
ns->last_read_recv) + r;
else
ns->recv += (r - ns->last_read_recv);
ns->last_read_recv = r;
if (t < ns->last_read_trans)
ns->trans +=
((long long) 4294967295U -
ns->last_read_trans) + t;
else
ns->trans += (t - ns->last_read_trans);
ns->last_read_trans = t;
/* calculate speeds */
ns->recv_speed = (ns->recv - last_recv) / delta;
ns->trans_speed = (ns->trans - last_trans) / delta;
} else {
ns->up = 0;
ns->linkstatus = 0;
}
}
freeifaddrs(ifap);
}
void
update_total_processes()
{
int n_processes;
kvm_init();
kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
info.procs = n_processes;
}
void
update_running_processes()
{
struct kinfo_proc2 *p;
int n_processes;
int i, cnt = 0;
kvm_init();
int max_size = sizeof(struct kinfo_proc2);
p = kvm_getproc2(kd, KERN_PROC_ALL, 0, max_size, &n_processes);
for (i = 0; i < n_processes; i++) {
if (p[i].p_stat == SRUN)
cnt++;
}
info.run_procs = cnt;
}
struct cpu_load_struct {
unsigned long load[5];
};
struct cpu_load_struct fresh = { {0, 0, 0, 0, 0} };
long cpu_used, oldtotal, oldused;
void
get_cpu_count()
{
/*
* FIXME: is it possible to get per cpu stats with openbsd?
* btw. this function is complete
*/
#if 0
int cpu_count = 0;
int mib[2] = { CTL_HW, HW_NCPU };
size_t len = sizeof(cpu_count);
if (sysctl(mib, 2, &cpu_count, &len, NULL, 0) == 0)
info.cpu_count = cpu_count;
else /* last resort, 1 cpu */
#endif
info.cpu_count = 1;
info.cpu_usage = malloc(info.cpu_count * sizeof (float));
if (info.cpu_usage == NULL)
CRIT_ERR("malloc");
}
void
update_cpu_usage()
{
int mib[2] = { CTL_KERN, KERN_CPTIME };
long used, total;
long cp_time[CPUSTATES];
size_t len = sizeof (cp_time);
/* add check for !info.cpu_usage since that mem is freed on a SIGUSR1 */
if ((cpu_setup == 0) || (!info.cpu_usage)) {
get_cpu_count();
cpu_setup = 1;
}
if (sysctl(mib, 2, &cp_time, &len, NULL, 0) < 0) {
(void) fprintf(stderr, "Cannot get kern.cp_time");
}
fresh.load[0] = cp_time[CP_USER];
fresh.load[1] = cp_time[CP_NICE];
fresh.load[2] = cp_time[CP_SYS];
fresh.load[3] = cp_time[CP_IDLE];
fresh.load[4] = cp_time[CP_IDLE];
used = fresh.load[0] + fresh.load[1] + fresh.load[2];
total =
fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
if ((total - oldtotal) != 0) {
info.cpu_usage[0] = ((double) (used - oldused)) /
(double) (total - oldtotal);
} else {
info.cpu_usage[0] = 0;
}
oldused = used;
oldtotal = total;
}
void
update_load_average()
{
double v[3];
getloadavg(v, 3);
info.loadavg[0] = (float) v[0];
info.loadavg[1] = (float) v[1];
info.loadavg[2] = (float) v[2];
}
/* read sensors from sysctl */
void update_obsd_sensors()
{
int sensor_cnt, dev, numt, mib[5] = { CTL_HW, HW_SENSORS, 0, 0, 0 };
struct sensor sensor;
struct sensordev sensordev;
size_t slen,sdlen;
enum sensor_type type;
slen = sizeof(sensor);
sdlen = sizeof(sensordev);
sensor_cnt = 0;
dev = obsd_sensors.device; // FIXME: read more than one device
/* for (dev = 0; dev < MAXSENSORDEVICES; dev++) { */
mib[2] = dev;
if(sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
if (errno != ENOENT)
warn("sysctl");
return;
//continue;
}
for (type = 0; type < SENSOR_MAX_TYPES; type++) {
mib[3] = type;
for (numt = 0; numt < sensordev.maxnumt[type]; numt++) {
mib[4] = numt;
if (sysctl(mib, 5, &sensor, &slen, NULL, 0)
== -1) {
if (errno != ENOENT)
warn("sysctl");
continue;
}
if (sensor.flags & SENSOR_FINVALID)
continue;
switch (type) {
case SENSOR_TEMP:
//printf("num: %i value: %.2f\n", sensor.numt, (sensor.value - 273150000) / 1000000.0);
obsd_sensors.temp[dev][sensor.numt] = (sensor.value - 273150000) / 1000000.0;
break;
case SENSOR_FANRPM:
//printf("num: %i value: %i\n", sensor.numt, sensor.value);
obsd_sensors.fan[dev][sensor.numt] = sensor.value;
break;
case SENSOR_VOLTS_DC:
obsd_sensors.volt[dev][sensor.numt] = sensor.value/1000000.0;
break;
default:
break;
}
sensor_cnt++;
}
}
/* } */
init_sensors = 1;
}
/* chipset vendor */
void get_obsd_vendor(char *buf, size_t client_buffer_size)
{
int mib[2];
mib[0] = CTL_HW;
mib[1] = HW_VENDOR;
char vendor[64];
size_t size = sizeof(vendor);
if(sysctl(mib, 2, vendor, &size, NULL, 0) == -1) {
fprintf(stderr, "error reading vendor");
snprintf(buf, client_buffer_size, "unknown");
} else {
snprintf(buf, client_buffer_size, "%s", vendor);
}
}
/* chipset name */
void get_obsd_product(char *buf, size_t client_buffer_size)
{
int mib[2];
mib[0] = CTL_HW;
mib[1] = HW_PRODUCT;
char product[64];
size_t size = sizeof(product);
if(sysctl(mib, 2, product, &size, NULL, 0) == -1) {
fprintf(stderr, "error reading product");
snprintf(buf, client_buffer_size, "unknown");
} else {
snprintf(buf, client_buffer_size, "%s", product);
}
}
/* rdtsc() and get_freq_dynamic() copied from linux.c */
#if defined(__i386) || defined(__x86_64)
__inline__ unsigned long long int
rdtsc()
{
unsigned long long int x;
__asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
return (x);
}
#endif
/* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
void
get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
char *p_format, int divisor)
{
#if defined(__i386) || defined(__x86_64)
struct timezone tz;
struct timeval tvstart, tvstop;
unsigned long long cycles[2]; /* gotta be 64 bit */
unsigned int microseconds; /* total time taken */
memset(&tz, 0, sizeof (tz));
/* get this function in cached memory */
gettimeofday(&tvstart, &tz);
cycles[0] = rdtsc();
gettimeofday(&tvstart, &tz);
/* we don't trust that this is any specific length of time */
usleep(100);
cycles[1] = rdtsc();
gettimeofday(&tvstop, &tz);
microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
(tvstop.tv_usec - tvstart.tv_usec);
snprintf(p_client_buffer, client_buffer_size, p_format,
(float)((cycles[1] - cycles[0]) / microseconds) / divisor);
#else
get_freq(p_client_buffer, client_buffer_size, p_format, divisor);
#endif
}
/*void*/
char
get_freq(char *p_client_buffer, size_t client_buffer_size,
char *p_format, int divisor, unsigned int cpu)
{
int freq = cpu;
int mib[2] = { CTL_HW, HW_CPUSPEED };
if (!p_client_buffer || client_buffer_size <= 0 ||
!p_format || divisor <= 0)
return 0;
size_t size = sizeof(freq);
if(sysctl(mib, 2, &freq, &size, NULL, 0) == 0)
snprintf(p_client_buffer, client_buffer_size,
p_format, (float)freq/divisor);
else
snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
return 1;
}
void
update_top()
{
proc_find_top(info.cpu, info.memu);
}
void
update_wifi_stats()
{
struct net_stat * ns;
struct ifaddrs *ifap, *ifa;
struct ifmediareq ifmr;
struct ieee80211_nodereq nr;
struct ieee80211_bssid bssid;
int s,ibssid;
/*
* Get iface table
*/
if (getifaddrs(&ifap) < 0)
return;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
ns = get_net_stat((const char *) ifa->ifa_name);
s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
/* Get media type */
bzero(&ifmr, sizeof(ifmr));
strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0)
goto cleanup;
/*
* We can monitor only wireless interfaces
* which not in hostap mode
*/
if ((ifmr.ifm_active & IFM_IEEE80211) &&
!(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
/* Get wi status */
memset(&bssid, 0, sizeof(bssid));
strlcpy(bssid.i_name, ifa->ifa_name, sizeof(bssid.i_name));
ibssid = ioctl(s, SIOCG80211BSSID, &bssid);
bzero(&nr, sizeof(nr));
bcopy(bssid.i_bssid, &nr.nr_macaddr, sizeof(nr.nr_macaddr));
strlcpy(nr.nr_ifname, ifa->ifa_name, sizeof(nr.nr_ifname));
if (ioctl(s, SIOCG80211NODE, &nr) == 0 && nr.nr_rssi) {
//if (nr.nr_max_rssi)
// printf(" %u%%", IEEE80211_NODEREQ_RSSI(&nr));
//else
ns->linkstatus = nr.nr_rssi;
}
}
cleanup:
close(s);
}
}
void
update_diskio()
{
return; /* XXX implement? */
}
/*
* While topless is obviously better, top is also not bad.
*/
int
comparecpu(const void *a, const void *b)
{
if (((struct process *)a)->amount > ((struct process *)b)->amount)
return (-1);
if (((struct process *)a)->amount < ((struct process *)b)->amount)
return (1);
return (0);
}
int
comparemem(const void *a, const void *b)
{
if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem)
return (-1);
if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem)
return (1);
return (0);
}
inline void
proc_find_top(struct process **cpu, struct process **mem)
{
struct kinfo_proc2 *p;
int n_processes;
int i, j = 0;
struct process *processes;
int mib[2];
int total_pages;
int pagesize = getpagesize();
/* we get total pages count again to be sure it is up to date */
mib[0] = CTL_HW;
mib[1] = HW_USERMEM;
size_t size = sizeof(total_pages);
if(sysctl(mib, 2, &total_pages, &size, NULL, 0) == -1)
fprintf(stderr, "error reading nmempages\n");
int max_size = sizeof(struct kinfo_proc2);
p = kvm_getproc2(kd, KERN_PROC_ALL, 0, max_size, &n_processes);
processes = malloc(n_processes * sizeof (struct process));
for (i = 0; i < n_processes; i++) {
if (!((p[i].p_flag & P_SYSTEM)) &&
p[i].p_comm != NULL) {
processes[j].pid = p[i].p_pid;
processes[j].name = strdup(p[i].p_comm);
processes[j].amount = 100.0 *
p[i].p_pctcpu / FSCALE;
processes[j].totalmem = (float)(p[i].p_vm_rssize * pagesize /
(float)total_pages) * 100.0;
j++;
}
}
qsort(processes, j - 1, sizeof (struct process), comparemem);
for (i = 0; i < 10; i++) {
struct process *tmp, *ttmp;
tmp = malloc(sizeof (struct process));
tmp->pid = processes[i].pid;
tmp->amount = processes[i].amount;
tmp->totalmem = processes[i].totalmem;
tmp->name = strdup(processes[i].name);
ttmp = mem[i];
mem[i] = tmp;
if (ttmp != NULL) {
free(ttmp->name);
free(ttmp);
}
}
qsort(processes, j - 1, sizeof (struct process), comparecpu);
for (i = 0; i < 10; i++) {
struct process *tmp, *ttmp;
tmp = malloc(sizeof (struct process));
tmp->pid = processes[i].pid;
tmp->amount = processes[i].amount;
tmp->totalmem = processes[i].totalmem;
tmp->name = strdup(processes[i].name);
ttmp = cpu[i];
cpu[i] = tmp;
if (ttmp != NULL) {
free(ttmp->name);
free(ttmp);
}
}
#if defined(OPENBSD_DEBUG)
printf("=====\nmem\n");
for (i = 0; i < 10; i++) {
printf("%d: %s(%d) %.2f\n", i, mem[i]->name,
mem[i]->pid, mem[i]->totalmem);
}
#endif
for (i = 0; i < j; free(processes[i++].name));
free(processes);
}
#if defined(i386) || defined(__i386__)
#define APMDEV "/dev/apm"
#define APM_UNKNOWN 255
int
apm_getinfo(int fd, void *null)
{
if (ioctl(fd, APM_IOC_GETPOWER) == -1)
return (-1);
return (0);
}
char
*get_apm_adapter()
{
int fd;
struct apm_power_info info;
fd = open(APMDEV, O_RDONLY);
if (fd < 0)
return ("ERR");
if (apm_getinfo(fd, &info) != 0) {
close(fd);
return ("ERR");
}
close(fd);
switch (info.ac_state) {
case APM_AC_OFF:
return ("off-line");
break;
case APM_AC_ON:
if (info.battery_state == APM_BATT_CHARGING)
return ("charging");
else
return ("on-line");
break;
default:
return ("unknown");
break;
}
}
char
*get_apm_battery_life()
{
int fd;
u_int batt_life;
struct apm_power_info info;
char *out;
out = (char *)calloc(16, sizeof (char));
fd = open(APMDEV, O_RDONLY);
if (fd < 0) {
strncpy(out, "ERR", 16);
return (out);
}
if (apm_getinfo(fd, &info) != 0) {
close(fd);
strncpy(out, "ERR", 16);
return (out);
}
close(fd);
batt_life = info.battery_life;
if (batt_life <= 100) {
snprintf(out, 16, "%d%%", batt_life);
return (out);
} else
strncpy(out, "ERR", 16);
return (out);
}
char
*get_apm_battery_time()
{
int fd;
int batt_time;
int h, m;
struct apm_power_info info;
char *out;
out = (char *)calloc(16, sizeof (char));
fd = open(APMDEV, O_RDONLY);
if (fd < 0) {
strncpy(out, "ERR", 16);
return (out);
}
if (apm_getinfo(fd, &info) != 0) {
close(fd);
strncpy(out, "ERR", 16);
return (out);
}
close(fd);
batt_time = info.minutes_left;
if (batt_time == -1)
strncpy(out, "unknown", 16);
else {
h = batt_time / 60;
m = batt_time % 60;
snprintf(out, 16, "%2d:%02d", h, m);
}
return (out);
}
#endif
/* empty stubs so conky links */
void
prepare_update()
{
return;
}
void update_entropy (void)
{
return;
}
void
free_all_processes(void)
{
return;
}
double
get_acpi_temperature(int fd)
{
return (0);
}
void
get_battery_stuff(char *buf, unsigned int n, const char *bat, int item)
{
return;
}
int
open_i2c_sensor(const char *dev, const char *type, int n, int *div,
char *devtype)
{
return (0);
}
double
get_i2c_info(int *fd, int arg, char *devtype, char *type)
{
return (0);
}
int
open_acpi_temperature(const char *name)
{
return (0);
}
void
get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
{
return;
}
void
get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
{
return;
}
void
get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
{
return;
}
void
get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
{
return;
}
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