nagios插件之监控Asterisk日志文件--messages-成都快上网建站

nagios插件之监控Asterisk日志文件--messages

监控Asterisk日志文件messages,过滤“ERROR”和"WARNING"字符串,统计包含该字符串的行数

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vi check_ast_msg_log.c

[cpp] view plaincopy

#include  

#include  

#include  

#include  

#define OK       0    

#define WARNING  1    

#define CRITICAL 2    

#define UNKNOWN  3    

#define LEN 1024  

#define LOG_FILE "/home/weihu/check_log/ast_messages/messages"  

#define OLD_FILE_ERROR "/home/weihu/check_log/ast_messages/log_tmp_error.file"  

#define OLD_FILE_WARNING "/home/weihu/check_log/ast_messages/log_tmp_warning.file"  

char error_str_now_failed[LEN]={0};  

char error_str_old_failed[LEN]={0};  

char warning_str_now_failed[LEN]={0};  

char warning_str_old_failed[LEN]={0};  

char month_day[32];  

int all_line=0;  

int err_line=0;  

int error_mark=0;  

int error_line=0;  

int error_count=0;  

int warning_mark=0;  

int warning_line=0;  

int warning_count=0;  

int check_old_file(void) {  

   int ret;  

   FILE *fp_old;  

   char readbuf[1024];  

   fp_old=fopen(OLD_FILE_ERROR,"a+");  

   if(fp_old==NULL) {  

       fprintf(stderr,"check_old_file() is fopen() error.\n");  

       return -1;  

   }  

   ret=fseek(fp_old,0,SEEK_SET);  

   if(ret==-1) {  

       fprintf(stderr,"check_old_file() is fseek() error.\n");  

       return -1;  

   }  

/*

   while(fgets(readbuf,1024,fp_old)!=NULL) {

       strcat(error_str_old_failed,readbuf);

   }

*/  

   fgets(error_str_old_failed,1024,fp_old);  

       ret=fclose(fp_old);  

   if(ret==EOF) {  

       fprintf(stderr,"check_old_file() is fclose() error.\n");  

       return -1;  

   }  

//  printf("%s",error_str_old);  

//  printf("-------------------------\n");  

//  

//----------------------------------------------------------------------  

   fp_old=fopen(OLD_FILE_WARNING,"a+");  

   if(fp_old==NULL) {  

       fprintf(stderr,"check_old_file() is fopen() error.\n");  

       return -1;  

   }  

   ret=fseek(fp_old,0,SEEK_SET);  

   if(ret==-1) {  

       fprintf(stderr,"check_old_file() is fseek() error.\n");  

       return -1;  

   }  

/*

   while(fgets(readbuf,1024,fp_old)!=NULL) {

       strcat(error_str_old_failed,readbuf);

   }

*/  

   fgets(warning_str_old_failed,1024,fp_old);  

       ret=fclose(fp_old);  

   if(ret==EOF) {  

       fprintf(stderr,"check_old_file() is fclose() error.\n");  

       return -1;  

   }  

//  printf("%s",error_str_old);  

//  printf("-------------------------\n");  

   return 0;  

}  

int write_old_file(char *old_file,char *error_str) {  

   int ret;  

   FILE *fp_old;  

   fp_old=fopen(old_file,"w");  

   if(fp_old==NULL) {  

           fprintf(stderr,"write_old_file() is fopen() error.\n");  

   }  

   ret=fprintf(fp_old,"%s",error_str);  

   if(ret<0) {  

       fprintf(stderr,"write_old_file() if fprintf() fp_old error.\n");  

       return -1;  

   }  

   ret=fclose(fp_old);  

   if(ret==EOF) {  

           fprintf(stderr,"write_old_file() is fclose() error.\n");  

   }  

   return 0;  

}  

int parse_log_file(char *log_file) {  

   FILE *fp;  

   long int *position;  

   char readbuf[1024];  

   char readbuf_tmp[1024];  

   int size=1024,line=0,line_bak;  

   char *str;  

   int ret;  

   int mark;  

   char *p,*str_date;  

   position=(long int *)malloc(sizeof(long int)*size);  

   position[0]=0;  

   fp=fopen(log_file,"r");  

   if(fp==NULL) {  

   //  fprintf(stderr,"parse_log_file() is fopen() error %s\n",log_file);  

       perror("parse_log_file() is fopen() error,");  

       exit(-1);  

   }  

   while(fgets(readbuf,sizeof(readbuf),fp)!=NULL) {  

       if(++line==size) {  

           size*=2;  

           position=(long int *)realloc(position,sizeof(long int)*size);  

       }  

       position[line]=ftell(fp);  

   }  

   all_line=line;  

   line_bak=line;  

   while(line--) {  

       mark=0;  

       ret=fseek(fp,position[line],SEEK_SET);    

       if(ret==-1) {  

           perror("parse_log_file() is fseek()");  

           return -1;  

       }  

       str=fgets(readbuf,sizeof(readbuf),fp);  

       if(str==NULL) {  

           fprintf(stderr,"parse_log_file() is fgets() error.\n");  

           return -1;  

       }  

   //  strcpy(readbuf_tmp,readbuf);  

   //  strtok  

       if(strstr(readbuf,month_day)>0 && line!=1) {  

   //      printf("-----------------\n");  

           if(strstr(readbuf,"ERROR") && strstr(readbuf,"5060: Connection refused") && error_mark==0) {  

       //  if(strstr(readbuf,"ERROR") && error_mark==0) {  

       //      printf("++++++++++++++++++++++++++++++++\nn");  

       //  if(strstr(readbuf,"FAILED")) {  

               if(strcmp(error_str_old_failed,readbuf)) {  

                   error_line=line+1;  

                   error_count++;  

                   //  strcat(error_str,readbuf);  

                   //  printf("readbuf=%s\n",readbuf);  

                   strcpy(error_str_now_failed,readbuf);  

               //  printf("error_str_now_failed=%s\n",error_str_now_failed);  

                   if(error_count==1) {  

                       ret=write_old_file(OLD_FILE_ERROR,error_str_now_failed);  

                       if(ret==-1) {  

                           fprintf(stderr,"parse_log_file() is write_old_file() error_str_now_failed error.\n");  

                           return -1;  

                       }  

                   }  

               }  

               else {  

                   error_mark=1;  

               }  

           }  

       //  printf("error_count=%d\n",error_count);  

       }  

//----------------------------------------------------------------------------------------------------  

//  

       if(strstr(readbuf,month_day)>0 && line!=1) {  

   //      printf("-----------------\n");  

           if(strstr(readbuf,"WARNING") && strstr(readbuf,"sip") && error_mark==0) {  

       //  if(strstr(readbuf,"WARNING") && warning_mark==0) {  

       //      printf("++++++++++++++++++++++++++++++++\nn");  

       //  if(strstr(readbuf,"FAILED")) {  

               if(strcmp(warning_str_old_failed,readbuf)) {  

                   warning_line=line+1;  

                   warning_count++;  

                   //  strcat(error_str,readbuf);  

                   //  printf("readbuf=%s\n",readbuf);  

                   strcpy(warning_str_now_failed,readbuf);  

               //  printf("error_str_now_failed=%s\n",error_str_now_failed);  

                   if(warning_count==1) {  

                       ret=write_old_file(OLD_FILE_WARNING,warning_str_now_failed);  

                       if(ret==-1) {  

                           fprintf(stderr,"parse_log_file() is write_old_file() warning_str_now_failed error.\n");  

                           return -1;  

                       }  

                   }  

               }  

               else {  

                   warning_mark=1;  

               }  

           }  

       //  printf("warning_count=%d\n",warning_count);  

       }  

   }  

//  printf("error_count=%d,error_str_now_failed=%s\n",error_count,error_str_now_failed);  

//  printf("warning_count=%d,warning_str_now_failed=%s\n",warning_count,warning_str_now_failed);  

   ret=fclose(fp);  

   if(ret==EOF) {  

       fprintf(stderr,"parse_log_file() is fclose() error\n");  

   }  

   return 0;  

}  

int main(void) {  

   int fd,ret;  

   int mark=0;  

   char if8_log_file[128];  

   char send_mail_cmd[LEN];  

   char nowtime[128];  

   char hostname[128];  

   int exitstatus=OK;  

   char *exit_status[4]={"OK","WARNING","CRITICAL","UNKNOWN"};  

   char status_information[LEN];  

   char performance_data[LEN];  

       char my_day[32];  

       char my_week[32];  

       char my_month[32];  

       char my_year[32];  

   char *week[]={"Sat","Sun","Mon","Tue","Wed","Thu","Fri"};  

       char *month[]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};  

   time_t timestamp;  

       struct tm *p1;  

       timestamp=time(NULL);  

       p1=localtime(×tamp);  

//  sprintf(my_day,"%02d",p1->tm_mday);  

   sprintf(my_day,"%d",p1->tm_mday);  

       sprintf(my_week,"%s",week[p1->tm_wday]);  

       sprintf(my_month,"%s",month[p1->tm_mon]);  

       sprintf(my_year,"%d",1900+p1->tm_year);  

//  printf("day=%s,week=%s,month=%s,year=%s\n",my_day,my_week,my_month,my_year);  

   sprintf(month_day,"%s  %d",month[p1->tm_mon],p1->tm_mday);  

//  printf("%s\n",month_day);  

//  sprintf(today_start_time,"%d-%02d-%02d %s\n",p1->tm_year+1900,p1->tm_mon+1,p1->tm_mday,"16-00-00");  

//  printf("today_start_time=%s\n",today_start_time);  

   ret=gethostname(hostname,sizeof(hostname));  

       if(ret==-1) {  

               fprintf(stderr,"gethostname() error.\n");  

               exit(-1);  

       }  

   ret=check_old_file();  

   if(ret==-1) {  

       fprintf(stderr,"check_old_file() error.\n");  

       exit(-1);  

   }  

//  printf("error_str_old_failed=%s\n",error_str_old_failed);  

//  printf("error_str_old_no_answer=%s\n",error_str_old_no_answer);  

   ret=parse_log_file(LOG_FILE);  

   if(ret==-1) {  

       fprintf(stderr,"parse_log_file() error.\n");  

       exit(-1);  

   }  

//  printf("%s\n",nowtime);  

//  printf("hostname=%s\n",hostname);  

//  printf("failed_err_line=%d\n",failed_err_line);  

//  printf("no_answer_err_line=%d\n",no_answer_err_line);  

//  printf("all_line=%d\n",all_line);  

//  printf("-------------------------------\n");  

   if(error_count>0 || warning_count>0 ) {  

       exitstatus=CRITICAL;  

   }  

   /*

   else if(error_count>1 || warning_count>5) {

       exitstatus=CRITICAL;

   }

   */  

   sprintf(status_information,"Current Error_num=%d, Warning_num=%d",error_count,warning_count);  

   sprintf(performance_data,"Error_num=%d;;;; Warning_num=%d;;;;",error_count,warning_count);  

   printf("%s: %s | %s\n",exit_status[exitstatus],status_information,performance_data);  

   exit(0);  

}  


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