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/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "client_idle.h"
#include "client_internal.h"
#include "idle.h"
#include <assert.h>
/**
* Send "idle" response to this client.
*/
static void
client_idle_notify(struct client *client)
{
unsigned flags, i;
const char *const* idle_names;
assert(client->idle_waiting);
assert(client->idle_flags != 0);
flags = client->idle_flags;
client->idle_flags = 0;
client->idle_waiting = false;
idle_names = idle_get_names();
for (i = 0; idle_names[i]; ++i) {
if (flags & (1 << i) & client->idle_subscriptions)
client_printf(client, "changed: %s\n",
idle_names[i]);
}
client_puts(client, "OK\n");
g_timer_start(client->last_activity);
}
void
client_idle_add(struct client *client, unsigned flags)
{
if (client_is_expired(client))
return;
client->idle_flags |= flags;
if (client->idle_waiting
&& (client->idle_flags & client->idle_subscriptions)) {
client_idle_notify(client);
client_write_output(client);
}
}
static void
client_idle_callback(gpointer data, gpointer user_data)
{
struct client *client = data;
unsigned flags = GPOINTER_TO_UINT(user_data);
client_idle_add(client, flags);
}
void client_manager_idle_add(unsigned flags)
{
assert(flags != 0);
client_list_foreach(client_idle_callback, GUINT_TO_POINTER(flags));
}
bool client_idle_wait(struct client *client, unsigned flags)
{
assert(!client->idle_waiting);
client->idle_waiting = true;
client->idle_subscriptions = flags;
if (client->idle_flags & client->idle_subscriptions) {
client_idle_notify(client);
return true;
} else
return false;
}
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