initial

Makefile

@@ -0,0 +1,12 @@
+CROSS_COMPILE ?= 
+CC := $(CROSS_COMPILE)gcc
+CFLAGS += -g -Wall -L../libini -I../libini -fno-builtin
+LIB += -lini -static -g
+BIN = reboot_temperature
+
+all: reboot_temperature.o
+	$(CC) $(CFLAGS) $^ -o $(BIN) $(LIB)
+
+clean:
+	rm -rf *.o
+	rm $(BIN)

conf/config.ini

@@ -0,0 +1,7 @@
+[server]
+thermal_zone = "/sys/class/thermal/thermal_zone0/temp";
+temperature = 80
+log_file = "reboot.log";
+second = 10
+off_power = 0
+

reboot_temperature.c

@@ -0,0 +1,110 @@
+#include "reboot_temperature.h"
+
+int get_temperature(char *path)
+{
+    char buffer[SIZE];
+
+    FILE *fp;
+    if ((fp = fopen(path, "r")) < 0) {
+        return 1;               /* 文件不存在,则退出. */
+    }
+
+    while (fgets(buffer, SIZE, fp) != NULL) {
+        ;
+    }
+
+    fclose(fp);
+    return atoi(buffer) / 1000;
+}
+
+int log(int l_t, int c_t, char *log_file)
+{
+    time_t tmpcal_ptr;
+    struct tm *tmp_ptr = NULL;
+
+    time(&tmpcal_ptr);
+    tmp_ptr = localtime(&tmpcal_ptr);
+
+    FILE *fd = fopen(log_file, "a+");
+    if (fd == NULL) {
+        return 0;
+    }
+    fprintf(fd, "%d.%d.%d %d:%d:%d %s %d %s %d\n", (1900 + tmp_ptr->tm_year),
+            (1 + tmp_ptr->tm_mon), tmp_ptr->tm_mday, tmp_ptr->tm_hour,
+            tmp_ptr->tm_min, tmp_ptr->tm_sec,
+            "树莓CPU温度", l_t, "达到可重启温度", c_t);
+    fclose(fd);
+
+    char temperature[270];
+    sprintf(temperature, "%d.%d.%d %d:%d:%d %s %d %s %d\n", (1900 + tmp_ptr->tm_year), (1 + tmp_ptr->tm_mon), tmp_ptr->tm_mday, tmp_ptr->tm_hour, tmp_ptr->tm_min, tmp_ptr->tm_sec,
+        "树莓CPU温度", l_t, "达到可重启温度", c_t);
+
+    // 发送告警邮件
+    //char *argv[]={"/root/qqMail/qqMail", "-l", "smtp.qq.com", "-p", "25", "-f", "1605227279", "-e", "dqqpbbbxoazibafd", "-q", "NIUYULING", "-r", "1605227279@QQ.COM", "-n", "NIUYULING", "-s", "Raspberrypi Temperature", "-t", temperature, (char*)0};
+    //execv("/root/qqMail/qqMail", argv);
+
+    char buffer[2700];
+    sprintf(buffer, "/root/qqMail/qqMail -l smtp.qq.com -p 25 -f 1605227279 -e dqqpbbbxoazibafd -q NIUYULING -r 1605227279@QQ.COM -n NIUYULING -s \"Raspberrypi Temperature\" -t \"%s\"", temperature);
+    //printf("%s\n", buffer);
+    FILE *fp;
+    fp = popen(buffer, "r");
+    pclose(fp);
+
+    return 0;
+}
+
+int get_executable_path(char *processdir, char *processname, int len)
+{
+    char *filename;
+    if (readlink("/proc/self/exe", processdir, len) <= 0) {
+        return -1;
+    }
+    filename = strrchr(processdir, '/');
+    if (filename == NULL)
+        return -1;
+    ++filename;
+    strcpy(processname, filename);
+    *filename = '\0';
+    return (int)(filename - processdir);
+}
+
+int main(int argc, char *argv[])
+{
+    char buffer[SIZE];
+    char log_file[SIZE];
+    memset(buffer, 0, SIZE);
+    memset(log_file, 0, SIZE);
+
+    char *inifile = "conf/config.ini";
+    char path[SIZE] = { 0 };
+    char executable_filename[SIZE] = { 0 };
+    (void)get_executable_path(path, executable_filename, sizeof(path));
+    inifile=strcat(path, inifile);
+
+    if (daemon(1, 1) == -1) {
+        perror("daemon");
+        exit(1);
+    }
+
+    while (1) {
+        getinikeystring("server", "thermal_zone", inifile, buffer); // 获取thermal_zone路径
+        getinikeystring("server", "log_file", inifile, log_file);   // 获取日志文件名
+        
+        if (get_temperature(buffer) >= getinikeyint("server", "temperature", inifile)) {
+            
+            sync();
+            if (getinikeyint("server", "off_power", inifile) == 1) {
+                log(get_temperature(buffer), getinikeyint("server", "temperature", inifile), log_file);
+
+                return reboot(RB_POWER_OFF);        // 关机
+            } else {
+                log(get_temperature(buffer), getinikeyint("server", "temperature", inifile), log_file);
+
+                return reboot(RB_AUTOBOOT);         // 重启
+            }
+        }
+        sleep(getinikeyint("server", "second", inifile));
+    }
+
+    return 1;
+}

reboot_temperature.h

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/reboot.h>
+#include "libini.h"
+
+#define SIZE 270