259 lines
6.6 KiB
C
259 lines
6.6 KiB
C
/* -*- 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 2.0.
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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 <gobject/gsignal.h>
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#include <gobject/gvaluetypes.h>
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static void glibtop_client_class_init (glibtop_client_class *klass);
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static void glibtop_client_init (glibtop_client *client);
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static void glibtop_client_finalize (GObject *object);
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static gpointer parent_class = NULL;
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#include <glibtop-client-private.h>
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enum {
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GLIBTOP_CLIENT_SIGNAL_ERROR,
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GLIBTOP_CLIENT_SIGNAL_WARNING,
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LAST_SIGNAL
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};
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static guint glibtop_client_signals [LAST_SIGNAL] = { 0 };
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GType
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glibtop_client_get_type (void)
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{
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static GType glibtop_client_type = 0;
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if (!glibtop_client_type) {
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static const GTypeInfo glibtop_client_info = {
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sizeof (glibtop_client_class),
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NULL, /* base_class_init */
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NULL, /* base_class_finalize */
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(GClassInitFunc) glibtop_client_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (glibtop_client),
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16, /* n_preallocs */
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(GInstanceInitFunc) glibtop_client_init,
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};
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glibtop_client_type = g_type_register_static
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(G_TYPE_OBJECT, "glibtop_client", &glibtop_client_info, 0);
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}
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return glibtop_client_type;
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}
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static void
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glibtop_client_error_handler (glibtop_client *client, GError *error)
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{
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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if (error == NULL)
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return;
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g_error ("%s (%d): %s", g_quark_to_string (error->domain),
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error->code, error->message);
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}
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static void
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glibtop_client_warning_handler (glibtop_client *client, GError *error)
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{
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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if (error == NULL)
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return;
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g_warning ("%s (%d): %s", g_quark_to_string (error->domain),
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error->code, error->message);
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}
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static void
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glibtop_client_class_init (glibtop_client_class *klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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glibtop_client_signals [GLIBTOP_CLIENT_SIGNAL_ERROR] =
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g_signal_newc ("error",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (glibtop_client_class, error),
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NULL, NULL,
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g_cclosure_marshal_VOID__POINTER,
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G_TYPE_NONE, 1, G_TYPE_POINTER);
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glibtop_client_signals [GLIBTOP_CLIENT_SIGNAL_WARNING] =
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g_signal_newc ("warning",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (glibtop_client_class, warning),
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NULL, NULL,
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g_cclosure_marshal_VOID__POINTER,
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G_TYPE_NONE, 1, G_TYPE_POINTER);
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klass->error = glibtop_client_error_handler;
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klass->warning = glibtop_client_warning_handler;
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gobject_class->finalize = glibtop_client_finalize;
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}
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static void
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glibtop_client_init (glibtop_client *glibtop)
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{
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glibtop_client_private *priv;
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priv = g_new0 (glibtop_client_private, 1);
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glibtop->_priv = priv;
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}
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static void
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glibtop_client_finalize (GObject *object)
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{
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glibtop_client *glibtop;
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glibtop_client_private *priv = NULL;
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GSList *c;
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glibtop = GLIBTOP_CLIENT (object);
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priv = glibtop->_priv;
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for (c = priv->backend_list; c; c = c->next)
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g_object_unref (G_OBJECT (c->data));
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g_slist_free (priv->backend_list);
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g_free (priv);
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if (G_OBJECT_CLASS (parent_class)->finalize)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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glibtop_client *
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glibtop_client_new (void)
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{
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return g_object_new (GLIBTOP_TYPE_CLIENT, NULL);
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}
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void
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glibtop_client_propagate_error (glibtop_client *client, GError *error)
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{
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GValue params [2] = { { 0, }, { 0, } };
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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if (error == NULL)
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return;
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g_value_init (params, GLIBTOP_CLIENT_TYPE (client));
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g_value_set_object (params, G_OBJECT (client));
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g_value_init (params + 1, G_TYPE_POINTER);
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g_value_set_pointer (params + 1, error);
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g_signal_emitv (params,
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glibtop_client_signals [GLIBTOP_CLIENT_SIGNAL_ERROR],
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0, NULL);
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g_value_unset (params + 1);
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g_value_unset (params + 0);
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}
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void
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glibtop_client_propagate_warning (glibtop_client *client, GError *error)
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{
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GValue params [2] = { { 0, }, { 0, } };
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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if (error == NULL)
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return;
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g_value_init (params, GLIBTOP_CLIENT_TYPE (client));
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g_value_set_object (params, G_OBJECT (client));
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g_value_init (params + 1, G_TYPE_POINTER);
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g_value_set_pointer (params + 1, error);
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g_signal_emitv (params,
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glibtop_client_signals [GLIBTOP_CLIENT_SIGNAL_WARNING],
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0, NULL);
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g_value_unset (params + 1);
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g_value_unset (params + 0);
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}
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void
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glibtop_client_open_backend (glibtop_client *client, const char *backend_name,
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u_int64_t features, const char **backend_args)
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{
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glibtop_backend *backend;
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GError *error = NULL;
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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backend = glibtop_backend_get (backend_name, features, backend_args,
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&error);
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if (!backend) {
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glibtop_client_propagate_error (client, error);
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g_error_free (error);
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return;
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}
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glibtop_client_add_backend (client, backend);
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}
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void
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glibtop_client_add_backend (glibtop_client *client,
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glibtop_backend *backend)
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{
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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g_return_if_fail (GLIBTOP_IS_BACKEND (backend));
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client->_priv->backend_list = g_slist_append
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(client->_priv->backend_list, backend);
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}
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void
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glibtop_client_remove_backend (glibtop_client *client,
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glibtop_backend *backend)
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{
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GSList *c;
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g_return_if_fail (GLIBTOP_IS_CLIENT (client));
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g_return_if_fail (GLIBTOP_IS_BACKEND (backend));
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c = g_slist_find (client->_priv->backend_list, backend);
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if (!c) return;
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g_slist_remove_link (client->_priv->backend_list, c);
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g_object_unref (G_OBJECT (backend));
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}
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