init ems server code
This commit is contained in:
239
plat/snmp/src/sysctrl.c
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239
plat/snmp/src/sysctrl.c
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/*****************************************************/
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/*Title: sysctrl.c */
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/*Descr: report operation system status */
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/*Author: Liang Hanxi */
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/*Create: 2002-06-24 */
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/*Modify: */
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/*****************************************************/
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#include "./include/sysctrl.h"
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#define MAX_MNT_FILESYS 255 //in CC client >16
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static mnt_list MntInfo[MAX_MNT_FILESYS];
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static BYTE MntNum=0;
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static hb_sysinfo3 SysInfo3;
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static FILE *stat_fp;
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extern int errno;
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static void get_mntinfo();
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static BOOL get_diskinfo(long *p_total,long *p_free);
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static void get_idlecpu();
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static int parse_infoline(char *str,char (*row)[64],int maxrow);
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void sysctrl_init()
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{
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struct sysinfo info;
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if((stat_fp=fopen("/proc/stat","r"))==NULL)
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{
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printf("Fail to open /proc/stat\n");
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exit(1);
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}
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#if 0
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sysinfo(&info);
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SysInfo.totalram = htonl(info.totalram/1024);
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SysInfo.freeram = htonl(info.freeram/1024);
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SysInfo.up_time = htonl(time(NULL));
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#endif
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SysInfo3.up_time = htonl(time(NULL));
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get_idlecpu();
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//get_mntinfo();
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fclose(stat_fp);
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}
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void system_report()
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{
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static int m_state=0;
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struct sysinfo info;
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unsigned long totaldisk,freedisk;
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switch(m_state)
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{
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case 50*60*10: //10min
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m_state=0;
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#if 0
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sysinfo(&info);
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SysInfo.totalram = htonl(info.totalram/1024);
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SysInfo.freeram = htonl(info.freeram/1024);
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SysInfo3.ram_total_used = htonl(info.totalram - info.freeram);
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SysInfo3.ram_total = htonl(info.totalram);
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// set_status(8,22,(BYTE *)&SysInfo.cpu_idle);
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set_status(8,38,(BYTE *)&SysInfo2.start_time);
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break;
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#endif
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default:
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m_state++;
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if(m_state%(50*30)==0) //30s
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{
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sysinfo(&info);
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SysInfo3.ram_total_used = htonl((info.totalram - info.freeram)>>10);
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SysInfo3.ram_total = htonl(info.totalram>>10);
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SysInfo3.ram_swap_used = htonl((info.totalswap - info.freeswap)>>10);
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SysInfo3.ram_swap_total = htonl(info.totalswap>>10);
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SysInfo3.ram_buffers = htonl(info.bufferram>>10);
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SysInfo3.ram_cached = htonl((info.freeram * info.mem_unit + info.bufferram * info.mem_unit)>>10);
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get_diskinfo(&totaldisk,&freedisk);
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SysInfo3.pt_count = 1;
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SysInfo3.pt[0].num = 1;
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SysInfo3.pt[0].pos = 0x2f;
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SysInfo3.pt[0].used_space = htonl(totaldisk - freedisk);
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SysInfo3.pt[0].total_space = htonl(totaldisk);
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get_idlecpu();
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// set_status(8,22,(BYTE *)&SysInfo.cpu_idle);
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set_status(8,40,(BYTE *)&SysInfo3);
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}
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break;
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}
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}
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void get_idlecpu()
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{
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char buf[128],row[5][64];
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DWORD timeofuser,timeofsys,timeofnice,timeofidle;
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static DWORD oldusertime=0,oldsystime=0,oldnicetime=0,oldidletime=0;
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double idlecpu,totalcpu;
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u_short idlerate;
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// by simon at 20240426
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/*
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if(fseek(stat_fp,0,SEEK_SET)!=0)
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{
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snmp_debug(SNMPDB_ERR|SNMPDB_SYS, "Fail to seek to beginning of /proc/stat");
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return;
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}
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if(fgets(buf,128,stat_fp)==NULL)
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{
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snmp_debug(SNMPDB_ERR|SNMPDB_SYS, "Fail to Read information from /proc/stat");
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return;;
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}
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if(parse_infoline(buf,row,5)<5)
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return;
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timeofuser=strtoul(row[1],NULL,10);
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timeofnice=strtoul(row[2],NULL,10);
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timeofsys=strtoul(row[3],NULL,10);
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timeofidle=strtoul(row[4],NULL,10);
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//if((pinfo=strstr(buf,"cpu "))==NULL)
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// return;
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//sscanf(pinfo,"cpu %lu %lu %lu %lu",&timeofuser,&timeofnice,&timeofsys,&timeofidle);
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//printf("CPU Time:%ld,%ld,%ld,%ld\n",timeofuser,timeofnice,timeofsys,timeofidle);
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totalcpu=timeofuser-oldusertime+timeofnice-oldnicetime+timeofsys-oldsystime+timeofidle-oldidletime;
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if(totalcpu==0)
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return;
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idlecpu=timeofidle-oldidletime;
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idlerate=(u_short)((idlecpu/totalcpu)*1000);
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//store current time
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oldusertime=timeofuser;
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oldnicetime=timeofnice;
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oldsystime=timeofsys;
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oldidletime=timeofidle;
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if(idlerate<=1000)
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{
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SysInfo3.idle_cpu_rate = (u_short)(idlecpu * 100 / totalcpu);
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}
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*/
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}
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void get_mntinfo()
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{
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FILE *mntfp;
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struct mntent *pmnt;
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struct statfs statbuf;
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mntfp = setmntent("/etc/mtab", "r");
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while ((pmnt = getmntent(mntfp))!=NULL && MntNum<MAX_MNT_FILESYS)
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{
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if(statfs(pmnt->mnt_fsname,&statbuf)!=0)
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continue;
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strcpy(MntInfo[MntNum].mnt_fsname,pmnt->mnt_fsname);
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strcpy(MntInfo[MntNum].mnt_dir,pmnt->mnt_dir);
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MntInfo[MntNum++].limit =20*1024;
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}
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endmntent(mntfp);
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//free(pmnt); getmntent return static pointer , not need to free
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}
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BOOL get_diskinfo(long *p_total,long *p_free)
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{
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int i;
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struct statfs statbuf;
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mnt_list *pmnt;
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*p_total=0;
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*p_free=0;
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for(i=0;i<MntNum;i++)
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{
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pmnt=&MntInfo[i];
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if(statfs(pmnt->mnt_dir,&statbuf)!=0)
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continue;
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pmnt->total=statbuf.f_blocks*(statbuf.f_bsize/1024);
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*p_total+=pmnt->total;
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pmnt->free=statbuf.f_bfree*(statbuf.f_bsize/1024);
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*p_free+=pmnt->free;
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if(pmnt->free<=pmnt->limit)
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set_alarm(8,3);
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//printf("%-15s%-15s%-10ld%-10ld\n",pmnt->mnt_fsname,pmnt->mnt_dir,pmnt->total,pmnt->free);
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}
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return 1;
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}
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int parse_infoline(char *str,char (*row)[64],int maxrow)
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{
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char *pstr=str;
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int len,index=0,i;
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BOOL black=0;
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len=strlen(str);
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for(i=0;i<len && index<maxrow;i++)
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{
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if(isspace(str[i]))
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{
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if(black==0)
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pstr=str+i+1;
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else
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{
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str[i]='\0';
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if(strlen(pstr)>64)
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pstr[63]=0;
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sprintf(row[index++],"%s",pstr);
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pstr=str+i+1;
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}
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black=0;
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}
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else
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black=1;
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}
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if(black==1)
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{
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if(strlen(pstr)>64)
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pstr[63]=0;
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sprintf(row[index++],"%s",pstr);
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}
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return index;
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}
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