source: trunk/third/libgtop/examples/procmap.c @ 20897

/* $Id: procmap.c,v 1.1.1.2 2004-10-03 04:59:48 ghudson Exp $ */

/* Copyright (C) 1998-99 Martin Baulig
   This file is part of LibGTop 1.0.

   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.

   LibGTop 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.

   LibGTop 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 LibGTop; see the file COPYING. If not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#include <locale.h>
#include <libintl.h>
#include <stdio.h>

#include <glibtop.h>
#include <glibtop/open.h>
#include <glibtop/close.h>

#include <glibtop/parameter.h>

#include <glibtop/procmap.h>

#ifdef GLIBTOP_INODEDB
#include <glibtop/inodedb.h>
#endif

#include <sys/resource.h>
#include <sys/mman.h>

#ifndef PROFILE_COUNT
#define PROFILE_COUNT   1
#endif

int
main (int argc, char *argv [])
{
#ifdef GLIBTOP_INODEDB
        glibtop_inodedb *inodedb;
#endif
        glibtop_proc_map procmap;
        glibtop_map_entry *maps;
        unsigned method, count, port, i;
        char buffer [BUFSIZ];
        pid_t pid;

        count = PROFILE_COUNT;

        setlocale (LC_ALL, "");
        bindtextdomain (GETTEXT_PACKAGE, GTOPLOCALEDIR);
        textdomain (GETTEXT_PACKAGE);

        glibtop_init_r (&glibtop_global_server, 0, GLIBTOP_INIT_NO_OPEN);

        glibtop_get_parameter (GLIBTOP_PARAM_METHOD, &method, sizeof (method));

        printf ("Method = %d\n", method);

        count = glibtop_get_parameter (GLIBTOP_PARAM_COMMAND, buffer, BUFSIZ);
        buffer [count] = 0;

        printf ("Command = '%s'\n", buffer);

        count = glibtop_get_parameter (GLIBTOP_PARAM_HOST, buffer, BUFSIZ);
        buffer [count] = 0;

        glibtop_get_parameter (GLIBTOP_PARAM_PORT, &port, sizeof (port));

        printf ("Host = '%s' - %u\n\n", buffer, port);

        glibtop_init_r (&glibtop_global_server, 0, 0);

        if ((argc != 2) || (sscanf (argv [1], "%d", (int *) &pid) != 1))
                glibtop_error ("Usage: %s pid", argv [0]);

#ifdef GLIBTOP_INODEDB
        inodedb = glibtop_inodedb_open (0, 0);
#endif

        fprintf (stderr, "Getting memory maps for pid %d.\n\n", (int) pid);

        maps = glibtop_get_proc_map (&procmap, pid);

        for (i = 0; i < procmap.number; i++) {
                const char *filename = NULL;
                unsigned device, device_major, device_minor;
                char perm [5];

                if (maps [i].flags & (1L << GLIBTOP_MAP_ENTRY_FILENAME))
                        filename = maps [i].filename;

#ifdef GLIBTOP_INODEDB
                if (inodedb && !filename)
                        filename = glibtop_inodedb_lookup
                                (inodedb, maps [i].device, maps [i].inode);
#endif

                perm [0] = (maps [i].perm & GLIBTOP_MAP_PERM_READ) ? 'r' : '-';
                perm [1] = (maps [i].perm & GLIBTOP_MAP_PERM_WRITE) ? 'w' : '-';
                perm [2] = (maps [i].perm & GLIBTOP_MAP_PERM_EXECUTE) ? 'x' : '-';
                perm [3] = (maps [i].perm & GLIBTOP_MAP_PERM_SHARED) ? 's' : '-';
                perm [4] = (maps [i].perm & GLIBTOP_MAP_PERM_PRIVATE) ? 'p' : '-';

                device = (unsigned long) maps [i].device;
                device_minor = (device & 255);
                device_major = ((device >> 8) & 255);

                if (filename) {
                        char *format;

                        if (sizeof (void*) == 8)
                                format = "%016lx-%016lx %016lx - "
                                         "%02x:%02x %08lu - %4s - %s\n";
                        else
                                format = "%08lx-%08lx %08lx - "
                                         "%02x:%02x %08lu - %4s - %s\n";

                        fprintf (stderr, format,
                                 (unsigned long) maps [i].start,
                                 (unsigned long) maps [i].end,
                                 (unsigned long) maps [i].offset,
                                 device_major, device_minor,
                                 (unsigned long) maps [i].inode,
                                 perm, filename);
                } else {
                        char * format;

                        if (sizeof (void*) == 8)
                                format = "%016lx-%016lx %016lx - "
                                         "%02x:%02x %08lu - %4s\n";
                        else
                                format = "%08lx-%08lx %08lx - "
                                         "%02x:%02x %08lu - %4s\n";

                        fprintf (stderr, format,
                                 (unsigned long) maps [i].start,
                                 (unsigned long) maps [i].end,
                                 (unsigned long) maps [i].offset,
                                 device_major, device_minor,
                                 (unsigned long) maps [i].inode,
                                 perm);
                }

                if (filename && (filename != maps [i].filename))
                        g_free ((void*)filename);
        }

        g_free (maps);

        glibtop_close ();

        exit (0);
}