|
Packit Service |
407539 |
/* Copyright (C) 2006 Henry Zhang
|
|
Packit Service |
407539 |
This file is part of LibGTop 2.14.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
Contributed by Henry Zhang <hua.zhang@sun.com>, July 2006.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
LibGTop is free software; you can redistribute it and/or modify it
|
|
Packit Service |
407539 |
under the terms of the GNU General Public License as published by
|
|
Packit Service |
407539 |
the Free Software Foundation; either version 2 of the License,
|
|
Packit Service |
407539 |
or (at your option) any later version.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
LibGTop is distributed in the hope that it will be useful, but WITHOUT
|
|
Packit Service |
407539 |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
Packit Service |
407539 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
Packit Service |
407539 |
for more details.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
You should have received a copy of the GNU General Public License
|
|
Packit Service |
407539 |
along with LibGTop; see the file COPYING. If not, write to the
|
|
Packit Service |
407539 |
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Packit Service |
407539 |
Boston, MA 02110-1301, USA.
|
|
Packit Service |
407539 |
*/
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#include <config.h>
|
|
Packit Service |
407539 |
#include <glibtop.h>
|
|
Packit Service |
407539 |
#include <glibtop/error.h>
|
|
Packit Service |
407539 |
#include <glibtop/procopenfiles.h>
|
|
Packit Service |
407539 |
#include <sys/types.h>
|
|
Packit Service |
407539 |
#include <fcntl.h>
|
|
Packit Service |
407539 |
#include <sys/stat.h>
|
|
Packit Service |
407539 |
#include <dirent.h>
|
|
Packit Service |
407539 |
#include <string.h>
|
|
Packit Service |
407539 |
#include <stdio.h>
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#include "glibtop_private.h"
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
static const unsigned long _glibtop_sysdeps_proc_open_files =
|
|
Packit Service |
407539 |
(1L << GLIBTOP_PROC_OPEN_FILES_NUMBER)|
|
|
Packit Service |
407539 |
(1L << GLIBTOP_PROC_OPEN_FILES_TOTAL)|
|
|
Packit Service |
407539 |
(1L << GLIBTOP_PROC_OPEN_FILES_SIZE);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* Init function. */
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
void
|
|
Packit Service |
407539 |
_glibtop_init_proc_open_files_s (glibtop *server)
|
|
Packit Service |
407539 |
{
|
|
Packit Service |
407539 |
server->sysdeps.proc_open_files = _glibtop_sysdeps_proc_open_files;
|
|
Packit Service |
407539 |
}
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* Provides detailed information about a process' open files */
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
glibtop_open_files_entry *
|
|
Packit Service |
407539 |
glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf, pid_t pid)
|
|
Packit Service |
407539 |
{
|
|
Packit Service |
407539 |
char filename [BUFSIZ];
|
|
Packit Service |
407539 |
GArray *entries;
|
|
Packit Service |
407539 |
struct dirent *direntry;
|
|
Packit Service |
407539 |
DIR *dir;
|
|
Packit Service |
407539 |
int errno;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_OPEN_FILES, 0);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
memset (buf, 0, sizeof (glibtop_proc_open_files));
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
sprintf (filename, "/proc/%d/fd", pid);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
dir = opendir (filename);
|
|
Packit Service |
407539 |
if (!dir) return NULL;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
entries = g_array_new(FALSE, FALSE, sizeof(glibtop_open_files_entry));
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
while((direntry = readdir(dir))) {
|
|
Packit Service |
407539 |
char tgt [BUFSIZ];
|
|
Packit Service |
407539 |
int rv;
|
|
Packit Service |
407539 |
glibtop_open_files_entry entry = {0};
|
|
Packit Service |
407539 |
struct stat statbuf;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if(direntry->d_name[0] == '.')
|
|
Packit Service |
407539 |
continue;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if ((entry.fd = (int) g_ascii_strtoull(direntry->d_name, NULL, 10)) == 0)
|
|
Packit Service |
407539 |
continue;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* from /path get object name */
|
|
Packit Service |
407539 |
g_snprintf(filename, sizeof filename, "/proc/%d/path/%s",
|
|
Packit Service |
407539 |
pid, direntry->d_name);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
rv = readlink(filename, tgt, sizeof(tgt) - 1);
|
|
Packit Service |
407539 |
/* read object, if not have, set it as NULL, but this fd still need to insert into the array */
|
|
Packit Service |
407539 |
if(rv < 0)
|
|
Packit Service |
407539 |
rv = 0;
|
|
Packit Service |
407539 |
tgt[rv] = '\0';
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* from /fd get the stat data */
|
|
Packit Service |
407539 |
g_snprintf(filename, sizeof filename, "/proc/%d/fd/%s",
|
|
Packit Service |
407539 |
pid, direntry->d_name);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if(stat (filename, &statbuf))
|
|
Packit Service |
407539 |
statbuf.st_mode = 0;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
switch (statbuf.st_mode & S_IFMT) {
|
|
Packit Service |
407539 |
case S_IFIFO: /* pipe */
|
|
Packit Service |
407539 |
entry.type = GLIBTOP_FILE_TYPE_PIPE;
|
|
Packit Service |
407539 |
break;
|
|
Packit Service |
407539 |
case S_IFSOCK: /* socket */
|
|
Packit Service |
407539 |
/* at solaris, now a little difficult to tell the Socket type, so here I
|
|
Packit Service |
407539 |
give the type 0, it will not impact the existed code. Later will provide
|
|
Packit Service |
407539 |
a patch to tell the type, and get the object name */
|
|
Packit Service |
407539 |
entry.type = 0;
|
|
Packit Service |
407539 |
break;
|
|
Packit Service |
407539 |
default:
|
|
Packit Service |
407539 |
entry.type = GLIBTOP_FILE_TYPE_FILE;
|
|
Packit Service |
407539 |
}
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
g_strlcpy(entry.info.file.name, tgt, sizeof entry.info.file.name);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
g_array_append_val(entries, entry);
|
|
Packit Service |
407539 |
}
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
closedir (dir);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
buf->flags = _glibtop_sysdeps_proc_open_files;
|
|
Packit Service |
407539 |
buf->number = entries->len;
|
|
Packit Service |
407539 |
buf->size = sizeof(glibtop_open_files_entry);
|
|
Packit Service |
407539 |
buf->total = buf->number * buf->size;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
return (glibtop_open_files_entry*)g_array_free(entries, FALSE);
|
|
Packit Service |
407539 |
}
|