From 916f95cb58604038695347ee41a430d8ca1f0556 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 14 Nov 2013 13:41:13 +0100 Subject: debloat and reorganize code split app into procd and init binaries remove log support, this is an external service now Signed-off-by: John Crispin --- measure.c | 99 --------------------------------------------------------------- 1 file changed, 99 deletions(-) delete mode 100644 measure.c (limited to 'measure.c') diff --git a/measure.c b/measure.c deleted file mode 100644 index 9e21a66..0000000 --- a/measure.c +++ /dev/null @@ -1,99 +0,0 @@ -/** - * Copyright (C) 2010 Steven Barth - * Copyright (C) 2013 John Crispin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - */ - - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "procd.h" - -static regex_t pat_vmsize, pat_ppid, pat_state, pat_uid; - -static void __attribute__((constructor)) measure_init() { - regcomp(&pat_vmsize, "VmSize:[ \t]*([0-9]*) kB", REG_EXTENDED); - regcomp(&pat_uid, "Uid:[ \t]*([0-9]*).*", REG_EXTENDED); - regcomp(&pat_ppid, "PPid:[ \t]*([0-9]+)", REG_EXTENDED); - regcomp(&pat_state, "State:[ \t]*([A-Z])", REG_EXTENDED); -} - -static void __attribute__((destructor)) measure_fini() { - regfree(&pat_vmsize); - regfree(&pat_ppid); - regfree(&pat_uid); - regfree(&pat_state); -} - -int measure_process(pid_t pid, struct pid_info *pi) { - int fd; - char buffer[512] = ""; - ssize_t rxed; - regmatch_t matches[2]; - glob_t gl; - int i; - - memset(pi, 0, sizeof(*pi)); - - snprintf(buffer, sizeof(buffer), "/proc/%i/fd/*", (int)pid); - - if (glob(buffer, GLOB_NOESCAPE | GLOB_MARK, NULL, &gl)) { - fprintf(stderr, "glob failed on %s\n", buffer); - return -1; - } - - for (i = 0; i < gl.gl_pathc; i++) - if (isdigit(basename(gl.gl_pathv[i])[0])) - pi->fdcount++; - globfree(&gl); - - snprintf(buffer, sizeof(buffer), "/proc/%i/status", (int)pid); - fd = open(buffer, O_RDONLY); - if (fd == -1) - return -1; - - rxed = read(fd, buffer, sizeof(buffer) - 1); - close(fd); - if (rxed == -1) - return -1; - - buffer[rxed] = 0; - - if (!regexec(&pat_state, buffer, 2, matches, 0)) - pi->stat = buffer[matches[1].rm_so]; - - if (!regexec(&pat_ppid, buffer, 2, matches, 0)) - pi->ppid = atoi(buffer + matches[1].rm_so); - - if (!regexec(&pat_uid, buffer, 2, matches, 0)) - pi->uid = atoi(buffer + matches[1].rm_so); - - if (!regexec(&pat_vmsize, buffer, 2, matches, 0)) - pi->vmsize = atoi(buffer + matches[1].rm_so) * 1024; - - return 0; -} -- cgit v1.2.3