Nahrány soubory do „/“
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1dcd928c43
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20
Makefile
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20
Makefile
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CC = gcc
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CFLAGS = -Wall -pedantic -Werror -std=gnu99 -O2
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target = rc-status-sensors
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source = main.c
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#valgrind = -ggdb3
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$(target): Makefile $(source)
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$(CC) $(CFLAGS) -o $(target) $(source)
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clean:
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rm -f $(target)
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runvg:
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valgrind -s --leak-check=full --show-leak-kinds=all --track-origins=yes --log-file=vg.txt ./rc-status-sensors
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cat vg.txt
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install: $(target)
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@echo "Instaluji"
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cp -f $(target) /usr/local/bin
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sync
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200
main.c
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200
main.c
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of the nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <string.h>
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#include <errno.h>
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#define MAX_LABEL_LENGTH 32
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#define PARAM_SHORT_VIEW 1
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#define PARAM_MAX_ONLY 1 << 2
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typedef struct {
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float cpu;
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float cpu_cores[64];
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float acpi_sensors[16];
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unsigned int cpu_cores_count;
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unsigned int acpi_sensors_count;
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} thermal_sensors;
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static void show_help(void)
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{
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puts("parametry:");
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puts(" -m zobrazi pouze maximalni hodnoty");
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puts(" -s kratky vypis");
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puts(" -l <nadpis>");
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}
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static int load_sensors(thermal_sensors *sensors)
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{
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memset(sensors, 0, sizeof(thermal_sensors));
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char buffer[1024];
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FILE *p_file = popen("sensors", "r");
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if (NULL == p_file)
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return errno;
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float dval;
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const unsigned int section_cpu = 1;
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const unsigned int section_acpitz = 0;
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unsigned int section = 0;
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size_t index_acpitz = 0;
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size_t index_cpu = 0;
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size_t max_cpu_count = sizeof(sensors->cpu_cores) / sizeof(float);
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size_t max_acpi_count = sizeof(sensors->acpi_sensors) / sizeof(float);
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char pattern[64];
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while (!feof(p_file)) {
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if (index_acpitz >= max_acpi_count)
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break;
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if (index_cpu >= max_cpu_count)
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break;
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if (fgets(buffer, sizeof(buffer), p_file) != NULL) {
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if (*buffer == '\n') {
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section = 0;
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continue;
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}
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if (0 == strncasecmp(buffer, "coretemp", 8)) {
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section = section_cpu;
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continue;
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}
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if (0 == strncasecmp(buffer, "acpitz", 6)) {
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section = section_acpitz;
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continue;
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}
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if (section_cpu == section) {
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if (sscanf(buffer, "Package id 0: %f", &dval) == 1) {
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sensors->cpu = dval;
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continue;
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}
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(void)sprintf(pattern, "Core %d: ", (int)index_cpu);
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(void)strncat(pattern, "%f",
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sizeof(pattern) - strlen(pattern) - 1);
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if (sscanf(buffer, pattern, &dval) == 1) {
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sensors->cpu_cores[index_cpu] = dval;
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index_cpu++;
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continue;
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}
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}
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else if (section_acpitz == section) {
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(void)sprintf(pattern, "temp%d: ", (int)index_acpitz+1);
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(void)strncat(pattern, "%f",
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sizeof(pattern) - strlen(pattern) - 1);
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if (sscanf(buffer, pattern, &dval) == 1) {
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sensors->acpi_sensors[index_acpitz] = dval;
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++index_acpitz;
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continue;
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}
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}
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}
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else
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break;
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}
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sensors->cpu_cores_count = index_cpu;
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sensors->acpi_sensors_count = index_acpitz;
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(void)pclose(p_file);
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return (index_cpu > 0 || index_acpitz > 0) ? 1 : -1;
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}
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static void print_sensors_info_line(thermal_sensors *sensors,
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const char *szlabel, uint_fast32_t params) {
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if (szlabel && (*szlabel != 0)) {
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printf(szlabel);
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printf(" ");
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}
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float max_core = 0;
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for (size_t i = 0; i < sensors->cpu_cores_count; ++i) {
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if (sensors->cpu_cores[i] > max_core)
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max_core = sensors->cpu_cores[i];
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}
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if (params & PARAM_MAX_ONLY) {
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if (params & PARAM_SHORT_VIEW)
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(void)printf("%.0f°",
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sensors->cpu > max_core ? sensors->cpu : max_core);
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else
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(void)printf("cpu: %.0f°C acpi:",
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sensors->cpu > max_core ? sensors->cpu : max_core);
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float max_acpi = 0.0;
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for (size_t i = 0; i < sensors->acpi_sensors_count; ++i) {
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if (sensors->acpi_sensors[i] > max_acpi)
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max_acpi = sensors->acpi_sensors[i];
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}
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if (params & PARAM_SHORT_VIEW)
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(void)printf(" %.0f°", max_acpi);
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else
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(void)printf(" %.0f°C", max_acpi);
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}
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else {
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if (params & PARAM_SHORT_VIEW)
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(void)printf("%.0f° %.0f°, ", sensors->cpu, max_core);
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else
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(void)printf("cpu: %.0f°C %.0f°C acpi:", sensors->cpu, max_core);
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for (size_t i = 0; i < sensors->acpi_sensors_count; ++i) {
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if (params & PARAM_SHORT_VIEW)
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(void)printf(" %.0f°", sensors->acpi_sensors[i]);
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else
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(void)printf(" %.0f°C", sensors->acpi_sensors[i]);
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}
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}
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(void)printf("\n");
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}
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int main(int argc, char **argv)
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{
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int opt;
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uint_fast32_t params = 0;
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char szlabel[MAX_LABEL_LENGTH];
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*szlabel = 0;
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if (argc > 1) {
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while ((opt = getopt(argc, argv, "mshl:")) != -1) {
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switch (opt) {
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case 'l':
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if (strlen(optarg) <= sizeof(szlabel) - 1)
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strcpy(szlabel, optarg);
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break;
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case 'm':
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params |= PARAM_MAX_ONLY;
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break;
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case 's':
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params |= PARAM_SHORT_VIEW;
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break;
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case 'h':
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show_help();
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return EXIT_SUCCESS;
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break;
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}
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}
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}
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thermal_sensors sensors;
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int retval = load_sensors(&sensors);
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if (-1 == retval)
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return EXIT_FAILURE;
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print_sensors_info_line(&sensors, szlabel, params);
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return EXIT_SUCCESS;
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}
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