forked from Mirror/frr
lib: add "show modules" CLI command
(for simplicity, this is stuffed in with memory_vty.c) Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter
parent
30771d65b2
commit
b249c083d5
42
configure.ac
42
configure.ac
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@ -1354,13 +1354,49 @@ int main(void);
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AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
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fi
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dnl ------
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dnl dlopen
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dnl ------
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dnl ---------------
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dnl dlopen & dlinfo
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dnl ---------------
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AC_SEARCH_LIBS(dlopen, [dl dld], [], [
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AC_MSG_ERROR([unable to find the dlopen()])
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])
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AC_CHECK_HEADERS([link.h])
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AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <stdlib.h>
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#ifdef HAVE_LINK_H
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#include <link.h>
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#endif
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#include <dlfcn.h>
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]], [[
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char origin[1];
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dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
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]])], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
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], [
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AC_MSG_RESULT(no)
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])
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AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <stdlib.h>
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#ifdef HAVE_LINK_H
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#include <link.h>
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#endif
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#include <dlfcn.h>
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]], [[
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struct link_map *lm = NULL;
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dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
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]])], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
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], [
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AC_MSG_RESULT(no)
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])
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dnl ---------------------------
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dnl sockaddr and netinet checks
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@ -1,23 +1,22 @@
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/*
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* Memory management routine
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* Memory and dynamic module VTY routine
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*
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* Copyright (C) 1998 Kunihiro Ishiguro
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* Copyright (C) 2016-2017 David Lamparter for NetDEF, Inc.
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*
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* This file is part of GNU Zebra.
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <zebra.h>
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@ -25,9 +24,12 @@
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#if (defined(GNU_LINUX) && defined(HAVE_MALLINFO))
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#include <malloc.h>
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#endif /* HAVE_MALLINFO */
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#include <dlfcn.h>
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#include <link.h>
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#include "log.h"
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#include "memory.h"
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#include "module.h"
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#include "memory_vty.h"
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/* Looking up memory status from vty interface. */
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@ -110,10 +112,55 @@ DEFUN (show_memory,
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return CMD_SUCCESS;
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}
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DEFUN (show_modules,
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show_modules_cmd,
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"show modules",
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"Show running system information\n"
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"Loaded modules\n")
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{
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struct frrmod_runtime *plug = frrmod_list;
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vty_out (vty, "%-12s %-25s %s%s%s",
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"Plugin Name", "Version", "Description",
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VTY_NEWLINE, VTY_NEWLINE);
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while (plug)
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{
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const struct frrmod_info *i = plug->info;
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vty_out (vty, "%-12s %-25s %s%s", i->name, i->version, i->description,
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VTY_NEWLINE);
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if (plug->dl_handle)
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{
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#ifdef HAVE_DLINFO_ORIGIN
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char origin[MAXPATHLEN] = "";
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dlinfo (plug->dl_handle, RTLD_DI_ORIGIN, &origin);
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# ifdef HAVE_DLINFO_LINKMAP
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const char *name;
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struct link_map *lm = NULL;
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dlinfo (plug->dl_handle, RTLD_DI_LINKMAP, &lm);
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if (lm)
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{
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name = strrchr(lm->l_name, '/');
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name = name ? name + 1 : lm->l_name;
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vty_out (vty, "\tfrom: %s/%s%s", origin, name, VTY_NEWLINE);
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}
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# else
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vty_out (vty, "\tfrom: %s %s", origin, plug->load_name, VTY_NEWLINE);
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# endif
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#else
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vty_out (vty, "\tfrom: %s%s", plug->load_name, VTY_NEWLINE);
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#endif
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}
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plug = plug->next;
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}
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return CMD_SUCCESS;
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}
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void
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memory_init (void)
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{
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install_element (VIEW_NODE, &show_memory_cmd);
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install_element (VIEW_NODE, &show_modules_cmd);
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}
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/* Stats querying from users */
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