97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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#include "main.h"
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#include "libconf.h"
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int get_process_pid(char *proces_name)
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{
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char bufer[PATH_SIZE];
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char comm[PATH_SIZE];
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char proc_comm_name[PATH_SIZE];
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int num[PATH_SIZE] = { 0 };
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int n = 0;
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FILE *fp;
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DIR *dir;
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struct dirent *ptr;
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dir = opendir("/proc");
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while ((ptr = readdir(dir)) != NULL) {
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if (ptr->d_type == 4 && strcasecmp(ptr->d_name, ".") && strcasecmp(ptr->d_name, "..")) {
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bzero(bufer, 0);
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sprintf(comm, "/proc/%s/comm", ptr->d_name);
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if (access(comm, F_OK) == 0) {
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fp = fopen(comm, "r");
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if (fgets(bufer, PATH_SIZE - 1, fp) == NULL) {
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fclose(fp);
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continue;
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}
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sscanf(bufer, "%s", proc_comm_name);
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if (!strcmp(proces_name, proc_comm_name)) {
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num[n] = atoi(ptr->d_name);
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n += 1;
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}
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fclose(fp);
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}
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}
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}
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n -= 1; // 去除最后一个搜索时的本身进程
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closedir(dir);
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if (num[0] > 0)
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return num[0];
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else
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return 0;
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}
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char *times()
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{
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time_t t;
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struct tm *timeinfo; //结构体
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time(&t);
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timeinfo = localtime(&t);
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return asctime(timeinfo); //以字符串形式输出localtime本地时间
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}
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int logs(char *str)
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{
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FILE *fp = NULL;
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fp = fopen(read_conf("daemon.conf", "global", "LOFFILE"), "a+");
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fprintf(fp, str);
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return fclose(fp);
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}
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int loop()
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{
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FILE *fp;
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char buffer[PATH_SIZE];
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while (1) {
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if (get_process_pid(read_conf("daemon.conf", "global", "PROCESS_NAME")) <= 0) {
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logs(times());
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logs("没有运行\n");
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fp = _popen(read_conf("daemon.conf", "global", "COMMAND"), "r");
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logs(times());
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logs("执行结果\n");
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while (fgets(buffer, sizeof(buffer), fp)) {
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//printf("%s", buffer);
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logs(buffer);
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}
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_pclose(fp);
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} else {
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logs(times());
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logs("运行\n");
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}
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sleep(atoi(read_conf("daemon.conf", "global", "TIME")));
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}
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}
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int main(int argc, char **argv)
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{
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if (daemon(1, 1)) {
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perror("daemon");
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return 1;
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}
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loop();
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return 0;
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}
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