New directory. New directory. New directory.

2000-01-01  Martin Baulig  <martin@home-of-linux.org>

	* backends/: New directory.
	* backends/server/: New directory.
	* backends/sysdeps/: New directory.

	* include/glibtop/backend.h: New file.

	* include/glibtop/call-vector.h.in: New file. Template file
	for `call-vector.h'.
	* include/glibtop/call-vector.pl: New file. Creates 'call-vector.h'
	from `call-vector.h.in'.

	* include/glibtop/errors.h
	(GLIBTOP_ERROR_NO_SUCH_BACKEND): New error constant.
        (GLIBTOP_ERROR_NOT_IMPLEMENTED): New error constant.

	* include/glibtop/limits.h
	(GLIBTOP_BACKEND_NAME_LEN): New constant.

	* glibtop-server-private.h (glibtop_server_private):
	Added `GSList *backend_list' and removed `input', `output',
	`socket' and `pid'.

	* lib/command.c: Removed. Moved to `backends/server/'.
	* lib/read.c: Removed. Moved to `backends/server/'.
	* lib/read_data.c: Removed. Moved to `backends/server/'.
	* lib/write.c: Removed. Moved to `backends/server/'.

lib/backend.c

@@ -0,0 +1,93 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+
+/* $Id$ */
+
+/* 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 <glibtop.h>
+#include <glibtop/global.h>
+#include <glibtop/xmalloc.h>
+
+#include <glibtop/backend.h>
+
+static GHashTable *_glibtop_backend_list = NULL;
+static long _glibtop_backend_nr = 0;
+
+long
+glibtop_register_backend (glibtop_backend_info *info)
+{
+    long id;
+
+    if (!_glibtop_backend_list)
+	_glibtop_backend_list = g_hash_table_new (NULL, NULL);
+
+    id = ++_glibtop_backend_nr;
+
+    g_hash_table_insert (_glibtop_backend_list,
+			 GINT_TO_POINTER (id),
+			 info);
+
+    return id;
+}
+
+void
+glibtop_unregister_backend (long id)
+{
+    g_hash_table_remove (_glibtop_backend_list,
+			 GINT_TO_POINTER (id));
+}
+
+glibtop_backend_info *
+glibtop_backend_by_id (long id)
+{
+    return g_hash_table_lookup (_glibtop_backend_list,
+				GINT_TO_POINTER (id));
+}
+
+typedef struct {
+    const char *backend_name;
+    glibtop_backend_info *info;
+} _find_by_name_param_t;
+
+static void
+find_by_name (gpointer key, gpointer value, gpointer user_data)
+{
+    _find_by_name_param_t *param = (_find_by_name_param_t *) user_data;
+    glibtop_backend_info *info = (glibtop_backend_info *) value;
+
+    if (!info || !info->name || param->info)
+	return;
+
+    if (!strcmp (info->name, param->backend_name))
+	param->info = info;
+}
+
+glibtop_backend_info *
+glibtop_backend_by_name (const char *backend_name)
+{
+    _find_by_name_param_t param = { backend_name, NULL };
+
+    g_hash_table_foreach (_glibtop_backend_list,
+			  find_by_name, &param);
+
+    return param.info;
+}