92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
#include "monitsys.h"
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void getPidByName(pid_t *pid, char *task_name)
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{
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DIR *dir;
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struct dirent *ptr;
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FILE *fp;
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char filepath[50];
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char cur_task_name[50];
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char buf[BUF_SIZE];
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dir = opendir("/proc");
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if (NULL != dir)
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{
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while ((ptr = readdir(dir)) != NULL) //循环读取/proc下的每一个文件/文件夹
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{
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//如果读取到的是"."或者".."则跳过，读取到的不是文件夹名字也跳过
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if ((strcmp(ptr->d_name, ".") == 0) || (strcmp(ptr->d_name, "..") == 0))
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continue;
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if (DT_DIR != ptr->d_type)
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continue;
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sprintf(filepath, "/proc/%s/status", ptr->d_name);//生成要读取的文件的路径
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fp = fopen(filepath, "r");
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if (NULL != fp)
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{
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if( fgets(buf, BUF_SIZE-1, fp)== NULL )
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{
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fclose(fp);
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continue;
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}
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sscanf(buf, "%*s %s", cur_task_name); //如果文件内容满足要求则打印路径的名字（即进程的PID）
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if (!strcmp(task_name, cur_task_name))
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{
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sscanf(ptr->d_name, "%d", pid);
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}
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fclose(fp);
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}
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}
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closedir(dir);
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}
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}
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FILE *getshellvalue(char *pcmd)
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{
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FILE * fstream = NULL;
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if(NULL == (fstream = popen(pcmd,"r")))
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{
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fprintf(stdout,"execute command failed: ");
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return NULL;
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}
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//pcmd = "ls -trl | awk '{print $9}'";
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return fstream;
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}
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int main(void)
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{
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pid_t fpid; //fpid表示fork函数返回的值
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pid_t fpid1;
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char pcip[50]="\0",task_name[50]="\0",cmanager[50]="\0";
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FILE *fp = NULL;
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fp = fopen ("/root/cheng/initip.ini", "r");
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if(fp == NULL)
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{
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printf("<p>open file:passwd.txt error</p>");
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return 0;
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}
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// fscanf(fp,"%s %s %s %s",pcip,task_name,cmanager,manprocess);
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fgets(pcip, sizeof(pcip), fp);
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fgets(task_name, sizeof(task_name), fp);
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fgets(cmanager, sizeof(cmanager), fp);
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// fgets(manprocess, sizeof(manprocess), fp);
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fclose(fp);
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printf("name of task is %s\n",cmanager);
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getPidByName(&pid, cmanager);
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if (pid > 0)
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{
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printf("\nCapture dump function enable..\n");
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printf("pid1:%d\n", pid);
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}
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else
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{
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printf("\nCapture dump function disable..\n");
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printf("pid2:%d\n\n", pid);
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}
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return 0;
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} |