Initial version of the "glibtop-backend-common" backend.
2000-01-12 Martin Baulig <martin@home-of-linux.org> Initial version of the "glibtop-backend-common" backend. * backend-common.c: New file. * glibtop-backend-private.h: New file. * marshal.pl: New file. Automatically creates `marshal.c'.
This commit is contained in:
Martin Baulig
committed by
Martin Baulig
Martin Baulig
parent
38d6f5ad0c
commit
8b8e1de19a
7
backends/common/.cvsignore
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7
backends/common/.cvsignore
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.deps
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.libs
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Makefile
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Makefile.in
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*.lo
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*.la
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marshal.c
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8
backends/common/ChangeLog
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8
backends/common/ChangeLog
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2000-01-12 Martin Baulig <martin@home-of-linux.org>
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Initial version of the "glibtop-backend-common" backend.
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* backend-common.c: New file.
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* glibtop-backend-private.h: New file.
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* marshal.pl: New file. Automatically creates `marshal.c'.
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29
backends/common/Makefile.am
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29
backends/common/Makefile.am
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LINK = $(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -o $@
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INCLUDES = @INCLUDES@
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noinst_HEADERS = \
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glibtop-backend-private.h
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lib_LTLIBRARIES = \
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libgtop_backend_common.la
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libgtop_backend_common_la_SOURCES = \
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backend-common.c \
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marshal.c
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libgtop_backend_common_la_LDFLAGS = \
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$(LT_VERSION_INFO)
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BUILT_SOURCES = \
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marshal.c
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EXTRA_DIST = \
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marshal.pl
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CLEANFILES = $(BUILT_SOURCES)
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marshal.c: marshal.pl $(top_builddir)/config.h $(top_srcdir)/features.def $(top_srcdir)/scripts/c_types.pl
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$(PERL) -I $(top_srcdir)/scripts $(srcdir)/marshal.pl < $(top_srcdir)/features.def > tmp-t
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mv tmp-t marshal.c
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62
backends/common/backend-common.c
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62
backends/common/backend-common.c
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@@ -0,0 +1,62 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop 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
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop 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
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/global.h>
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#include <glibtop/xmalloc.h>
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#include <glibtop/open.h>
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#include <glibtop/backend.h>
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#include <glibtop-backend-private.h>
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static int
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_open_common (glibtop *, glibtop_backend *, u_int64_t, const char **);
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static int
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_close_common (glibtop *, glibtop_backend *);
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extern glibtop_call_vector glibtop_backend_common_call_vector;
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glibtop_backend_info glibtop_backend_common = {
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"glibtop-backend-common", _open_common, _close_common,
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&glibtop_backend_common_call_vector
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};
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static int
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_open_common (glibtop *server, glibtop_backend *backend,
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u_int64_t features, const char **backend_args)
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{
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backend->_priv = glibtop_calloc_r
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(server, 1, sizeof (glibtop_backend_private));
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return 0;
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}
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static int
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_close_common (glibtop *server, glibtop_backend *backend)
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{
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return -1;
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}
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34
backends/common/glibtop-backend-private.h
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34
backends/common/glibtop-backend-private.h
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@@ -0,0 +1,34 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop 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
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop 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
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#ifndef __GLIBTOP_BACKEND_PRIVATE_H__
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#define __GLIBTOP_BACKEND_PRIVATE_H__
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struct _glibtop_backend_private
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{
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u_int64_t flags;
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};
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#endif
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179
backends/common/marshal.pl
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179
backends/common/marshal.pl
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@@ -0,0 +1,179 @@
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#!/usr/bin/perl
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require 'c_types.pl';
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$[ = 1; # set array base to 1
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$, = ' '; # set output field separator
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$\ = "\n"; # set output record separator
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$always_use_temp_storage = 1;
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sub toupper {
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local($_) = @_;
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tr/a-z/A-Z/;
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return $_;
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}
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sub tolower {
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local($_) = @_;
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tr/A-Z/a-z/;
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return $_;
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}
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print '/* marshal.c */';
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print "/* This is a generated file. Please modify `marshal.pl' */";
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print '';
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print '#include <glibtop.h>';
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print '#include <glibtop/open.h>';
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print '#include <glibtop/xmalloc.h>';
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print '';
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print '#include <glibtop/sysdeps.h>';
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print '#include <glibtop/union.h>';
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print '';
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print '#include <glibtop/backend.h>';
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print '';
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print '#include <glibtop-backend-private.h>';
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print '';
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$feature_count = 0;
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while (<>) {
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chop; # strip record separator
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if (/^[^#]/) {
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&output($_);
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}
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}
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sub output {
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local($line) = @_;
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@line_fields = split(/\|/, $line, 9999);
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$retval = $line_fields[1];
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$feature = $line_fields[2];
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$param_def = $line_fields[4];
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$orig = $feature;
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$feature =~ s/^@//;
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$space = $feature;
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$space =~ s/./ /g;
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$features{++$feature_count} = $orig;
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return unless $orig =~ /^@/;
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if ($retval eq 'retval') {
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$retval_param = '&retval';
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$call_prefix = '';
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$call_prefix_space = '';
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$prefix = 'retval = ';
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$prefix_space = ' ';
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$retval = 'int';
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}
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elsif ($retval !~ /^void$/) {
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$retval_param = 'NULL';
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$prefix = 'retval = ';
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$prefix_space = ' ';
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$call_prefix = 'retval = ';
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$call_prefix_space = ' ';
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}
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else {
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$retval_param = 'NULL';
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$call_prefix = '';
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$call_prefix_space = '';
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$prefix = '';
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$prefix_space = '';
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}
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if ($retval =~ /^(array|pointer)\((.*)\)$/) {
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$retval = ($2 eq 'string') ? 'char **' : "$2 *";
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}
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$need_temp_storage = $always_use_temp_storage;
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$first_param_name = '';
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$call_param = '';
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$param_decl = '';
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$need_temp_len = 0;
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$nr_params = (@params = split(/:/, $param_def, 9999));
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for ($param = 1; $param <= $nr_params; $param++) {
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$list = $params[$param];
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$type = $params[$param];
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$type =~ s/\(.*//;
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$list =~ s/^.*\(//;
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$list =~ s/\)$//;
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$count = (@fields = split(/,/, $list, 9999));
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for ($field = 1; $field <= $count; $field++) {
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my $c_type = $typeinfo->{$type}->[1];
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if ($first_param_name eq '') {
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$first_param_name = $fields[$field];
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}
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if ($typeinfo->{$type}->[2]) {
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$need_temp_storage = 1;
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}
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if ($param_decl eq '') {
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$param_decl = ",\n " . $space . ' ';
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}
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else {
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$param_decl = $param_decl . ', ';
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}
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$param_decl = $param_decl . $c_type . ' ' . $fields[$field];
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$call_param = $call_param . ', ' . $fields[$field];
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}
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}
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if ($line_fields[3] eq '') {
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$total_code = sprintf
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("\treturn glibtop_get_%s_s (server%s);\n", $feature, $call_param);
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} elsif ($line_fields[3] eq 'array') {
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$total_code = sprintf
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("\treturn glibtop_get_%s_s (server, array%s);\n", $feature, $call_param);
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} elsif ($line_fields[3] =~ /^array/) {
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$total_code = sprintf
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("\treturn glibtop_get_%s_s (server, array, buf%s);\n", $feature, $call_param);
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} else {
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$total_code = sprintf
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("\treturn glibtop_get_%s_s (server, buf%s);\n", $feature, $call_param);
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}
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$func_decl = 'static '.$retval."\n";
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if ($line_fields[3] eq '') {
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$func_decl .= sprintf ("_glibtop_get_%s_c (glibtop *server, glibtop_backend *backend%s)\n",
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$feature, $param_decl);
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} elsif ($line_fields[3] eq 'array') {
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$func_decl .= sprintf ("_glibtop_get_%s_c (glibtop *server, glibtop_backend *backend, glibtop_array *array%s)\n",
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$feature, $param_decl);
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} elsif ($line_fields[3] =~ /^array/) {
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$func_decl .= sprintf ("_glibtop_get_%s_c (glibtop *server, glibtop_backend *backend, glibtop_array *array, %s *buf%s)\n",
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$feature, 'glibtop_'.$feature, $param_decl);
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} else {
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$func_decl .= sprintf ("_glibtop_get_%s_c (glibtop *server, glibtop_backend *backend, %s *buf%s)\n",
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$feature, 'glibtop_'.$feature, $param_decl);
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}
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$total_code = sprintf ("%s{\n%s\n%s}\n", $func_decl, $total_code);
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print $total_code;
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}
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$call_vector_code = '';
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for ($nr = 1; $nr <= $feature_count; $nr++) {
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$feature = $features{$nr};
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if ($feature =~ /^@/) {
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$feature =~ s/^@//;
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$call_vector_code .= sprintf (qq[\t_glibtop_get_%s_c,\n], $feature);
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} else {
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$call_vector_code .= sprintf (qq[\tNULL,\n]);
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}
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}
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print 'glibtop_call_vector glibtop_backend_common_call_vector = {';
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print $call_vector_code;
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print '};';
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print '';
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Reference in New Issue
Block a user