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/*
htop - SysArchMeter.c
(C) 2021 htop dev team
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "SysArchMeter.h"
#include <stdio.h>
#include <string.h>
#include <sys/utsname.h>
#include "XUtils.h"
static const int SysArchMeter_attributes[] = {HOSTNAME};
static void SysArchMeter_updateValues(Meter* this, char* buffer, size_t size) {
static struct utsname uname_info;
static int uname_result;
static char distro[3][64] = { {'\0'}, {'\0'}, {'\0'} };
static bool loaded_data = false;
(void)this;
if(!loaded_data) {
uname_result = uname(&uname_info);
FILE* fp = popen("lsb_release --id --release --codename", "r");
if(fp) {
char line[96] = {'\0'};
size_t n = 0;
while(fgets(line, sizeof(line), fp)) {
n = strcspn(line, ":");
if(n > 0 && (n + 1) < strlen(line)) {
char* value = String_trim(&line[n + 1]);
line[n] = '\0';
if(String_eq(value, "n/a")) {
free(value);
continue;
}
if(String_eq(line, "Distributor ID"))
snprintf(distro[0], sizeof(distro[0]), "%s", value);
else if(String_eq(line, "Release"))
snprintf(distro[1], sizeof(distro[1]), "%s", value);
else if(String_eq(line, "Codename"))
snprintf(distro[2], sizeof(distro[2]), "%s", value);
free(value);
}
}
if(!distro[0][0])
snprintf(distro[0], sizeof(distro[0]), "Unknown");
pclose(fp);
}
loaded_data = true;
}
if(uname_result == 0) {
if (distro[1][0] && distro[2][0])
snprintf(buffer, size, "%s %s [%s] / %s %s (%s)", uname_info.sysname, uname_info.release, uname_info.machine, distro[0], distro[1], distro[2]);
else if(distro[1][0])
snprintf(buffer, size, "%s %s [%s] / %s %s", uname_info.sysname, uname_info.release, uname_info.machine, distro[0], distro[1]);
else
snprintf(buffer, size, "%s %s [%s]", uname_info.sysname, uname_info.release, uname_info.machine);
} else {
snprintf(buffer, size, "Unknown");
}
}
const MeterClass SysArchMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete
},
.updateValues = SysArchMeter_updateValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 0,
.total = 100.0,
.attributes = SysArchMeter_attributes,
.name = "System",
.uiName = "System",
.caption = "System: ",
};
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