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#include <stdio.h> |
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#include "ukcprog.h" |
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#include <string.h> |
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#ifdef LINUX |
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#include <dirent.h> |
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#include <unistd.h> |
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#include <stdlib.h> |
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#endif |
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char *get_process_stats(){ |
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char *xml_ps_stats; |
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int zombie=0; |
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int sleeping=0; |
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int running=0; |
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int stopped=0; |
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FILE *f; |
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char *line; |
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char *line_p; |
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#ifdef LINUX |
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DIR *procdir; |
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struct dirent *procent; |
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char fname[_POSIX_PATH_MAX]; |
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#endif |
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|
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#ifdef SOLARIS |
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#define SOL_PS_CMD "/bin/ps -Al" |
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if((f=popen(SOL_PS_CMD, "r")) == NULL) { |
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errf("Failed to execute the PS command (%m)"); |
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return NULL; |
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} |
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|
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/* Throw away the first line as its the header from PS */ |
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fpgetline(f); |
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|
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while((line=fpgetline(f)) != NULL) { |
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line_p=line; |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
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line_p=strchr(line_p, ' '); |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
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if (line_p==NULL) abort(); |
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/* Ok, we should now be at the state :) .. */ |
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if (*line_p=='S') sleeping++; |
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if (*line_p=='R') running++; |
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if (*line_p=='Z') zombie++; |
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if (*line_p=='T') stopped++; |
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} |
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|
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if((pclose(f)) == -1) { |
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errf("Failed to close process stats (%m)"); |
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return NULL; |
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} |
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#endif |
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#ifdef FREEBSD |
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#define FREEBSD_PS_CMD "/bin/ps -ax" |
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|
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if((f=popen(FREEBSD_PS_CMD, "r")) == NULL) { |
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errf("Failed to execute ps"); |
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return NULL; |
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} |
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|
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/* Throw away first line */ |
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fpgetline(f); |
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while((line=fpgetline(f)) != NULL) { |
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line_p=line; |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
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line_p=strchr(line_p, ' '); |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
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line_p=strchr(line_p, ' '); |
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for(; (*line_p == ' ') && (*line_p != '\0'); line_p++); |
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if (line_p==NULL) abort(); |
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|
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if (*line_p=='S') sleeping++; |
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if (*line_p=='I') sleeping++; |
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if (*line_p=='R') running++; |
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if (*line_p=='D') running++; |
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if (*line_p=='Z') zombie++; |
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if (*line_p=='T') stopped++; |
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if (*line_p=='J') running++; |
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} |
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|
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if((pclose(f)) != 0) { |
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errf("Failed to close ps (%m)"); |
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return NULL; |
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} |
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#endif |
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#ifdef LINUX |
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chdir("/proc"); |
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if((procdir=opendir(".")) == NULL){ |
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errf("Failed to open proc (%m)"); |
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return NULL; |
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} |
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|
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while((procent = readdir(procdir)) != NULL){ |
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if(atoi(procent->d_name) == 0) continue; |
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strncpy(fname, procent->d_name, _POSIX_PATH_MAX-7); |
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strcat(fname, "/status"); |
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|
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if((f=fopen(fname, "r")) == NULL){ |
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errf("Failed to open process stat (%m)"); |
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return NULL; |
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} |
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|
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while((line=fpgetline(f)) != NULL){ |
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if(strncasecmp(line,"State:",6)==0) break; |
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} |
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|
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line_p=line; |
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for(;*line_p++ != '\t';); |
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|
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|
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if(*line_p=='R') running++; |
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if(*line_p=='S') sleeping++; |
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if(*line_p=='Z') zombie++; |
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if(*line_p=='T') stopped++; |
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if(*line_p=='D') stopped++; |
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|
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} |
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closedir(procdir); |
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#endif |
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|
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|
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if((xml_ps_stats=strf("<processes><sleeping>%d</sleeping><cpu>%d</cpu><zombie>%d</zombie><stopped>%d</stopped><total>%d</total></processes>", sleeping, running, zombie, stopped, (sleeping+running+zombie+stopped))) == NULL){ |
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errf("strf failed"); |
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return NULL; |
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} |
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return xml_ps_stats; |
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} |
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|
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int main(){ |
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printf("%s", get_process_stats()); |
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exit(0); |
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} |
