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diff --git a/src/main.c b/src/main.c
index 10706a55456b5e4dfc914d7c1dca3bbfcbe2b57d..fa16de1f46dc0e196059f217b12e725fff6689a5 100644 (file)
--- a/src/main.c
+++ b/src/main.c
/* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (c) 2004-2010 The Music Player Daemon Project
* Project homepage: http://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 "ncmpc.h"
#include "mpdclient.h"
+#include "gidle.h"
#include "charset.h"
#include "options.h"
#include "command.h"
#include "ncu.h"
#include "screen.h"
#include "screen_utils.h"
+#include "screen_message.h"
#include "strfsong.h"
#include "i18n.h"
#include "player_command.h"
#include <stdlib.h>
#include <unistd.h>
+#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <locale.h>
#endif
-/* time between mpd updates [s] */
+/* time between mpd updates [ms] */
static const guint update_interval = 500;
#define BUFSIZE 1024
static struct mpdclient *mpd = NULL;
static GMainLoop *main_loop;
static guint reconnect_source_id, update_source_id;
+static int sigwinch_pipes[2];
#ifndef NCMPC_MINI
static guint check_key_bindings_source_id;
#endif
-static void
-error_callback(G_GNUC_UNUSED struct mpdclient *c, G_GNUC_UNUSED gint error,
- const gchar *_msg)
-{
- char *msg = utf8_to_locale(_msg);
- screen_status_printf("%s", msg);
- g_free(msg);
-
- screen_bell();
- doupdate();
-}
-
#ifndef NCMPC_MINI
static void
update_xterm_title(void)
static char title[BUFSIZE];
char tmp[BUFSIZE];
struct mpd_status *status = NULL;
- struct mpd_song *song = NULL;
+ const struct mpd_song *song = NULL;
if (mpd) {
status = mpd->status;
}
if (options.xterm_title_format && status && song &&
- IS_PLAYING(mpd_status_get_state(status)))
+ mpd_status_get_state(status) == MPD_STATE_PLAY)
strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
else
g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
static void
catch_sigcont(G_GNUC_UNUSED int sig)
{
- screen_resize(mpd);
+ char irrelevant = 'a';
+ if (1 != write(sigwinch_pipes[1], &irrelevant, 1))
+ exit(EXIT_FAILURE);
}
void
sigstop(void)
{
- def_prog_mode(); /* save the tty modes */
- endwin(); /* end curses mode temporarily */
- kill(0, SIGSTOP); /* issue SIGSTOP */
+ def_prog_mode(); /* save the tty modes */
+ endwin(); /* end curses mode temporarily */
+ kill(0, SIGSTOP); /* issue SIGSTOP */
}
-static guint timer_sigwinch_id;
-
static gboolean
-timer_sigwinch(G_GNUC_UNUSED gpointer data)
+sigwinch_event(G_GNUC_UNUSED GIOChannel *source,
+ G_GNUC_UNUSED GIOCondition condition, G_GNUC_UNUSED gpointer data)
{
- /* the following causes the screen to flicker. There might be
- better solutions, but I believe it isn't all that
- important. */
+ char ignoreme[64];
+ if (1 > read(sigwinch_pipes[0], ignoreme, 64))
+ exit(EXIT_FAILURE);
endwin();
refresh();
screen_resize(mpd);
- return FALSE;
+ return TRUE;
}
static void
catch_sigwinch(G_GNUC_UNUSED int sig)
{
- if (timer_sigwinch_id != 0)
- g_source_remove(timer_sigwinch_id);
-
- timer_sigwinch_id = g_timeout_add(100, timer_sigwinch, NULL);
+ char irrelevant = 'a';
+ if (1 != write(sigwinch_pipes[1], &irrelevant, 1))
+ exit(EXIT_FAILURE);
}
+static void
+idle_callback(enum mpd_error error,
+ G_GNUC_UNUSED enum mpd_server_error server_error,
+ const char *message, enum mpd_idle events,
+ G_GNUC_UNUSED void *ctx);
+
static gboolean
timer_mpd_update(gpointer data);
+static void
+enable_update_timer(void)
+{
+ if (update_source_id != 0)
+ return;
+
+ update_source_id = g_timeout_add(update_interval,
+ timer_mpd_update, NULL);
+}
+
+static void
+disable_update_timer(void)
+{
+ if (update_source_id == 0)
+ return;
+
+ g_source_remove(update_source_id);
+ update_source_id = 0;
+}
+
+static bool
+should_enable_update_timer(void)
+{
+ return (mpdclient_is_connected(mpd) &&
+ (mpd->source == NULL || /* "idle" not supported */
+ (mpd->status != NULL &&
+ mpd_status_get_state(mpd->status) == MPD_STATE_PLAY)))
+#ifndef NCMPC_MINI
+ || options.display_time
+#endif
+ ;
+}
+
+static void
+auto_update_timer(void)
+{
+ if (should_enable_update_timer())
+ enable_update_timer();
+ else
+ disable_update_timer();
+}
+
+static void
+check_reconnect(void);
+
+static void
+do_mpd_update(void)
+{
+ if (mpdclient_is_connected(mpd) &&
+ (mpd->source == NULL || mpd->events != 0 ||
+ (mpd->status != NULL &&
+ mpd_status_get_state(mpd->status) == MPD_STATE_PLAY)))
+ mpdclient_update(mpd);
+
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
+
+ screen_update(mpd);
+ mpd->events = 0;
+
+ mpdclient_put_connection(mpd);
+ check_reconnect();
+}
+
+#if LIBMPDCLIENT_CHECK_VERSION(2,4,0)
+
+static char *
+settings_name(const struct mpd_settings *settings)
+{
+ const char *host = mpd_settings_get_host(settings);
+ if (host == NULL)
+ host = "unknown";
+
+ if (host[0] == '/')
+ return g_strdup(host);
+
+ unsigned port = mpd_settings_get_port(settings);
+ if (port == 0 || port == 6600)
+ return g_strdup(host);
+
+ return g_strdup_printf("%s:%u", host, port);
+}
+
+#endif
+
+static char *
+default_settings_name(void)
+{
+#if LIBMPDCLIENT_CHECK_VERSION(2,4,0)
+ struct mpd_settings *settings =
+ mpd_settings_new(options.host, options.port, 0,
+ NULL, options.password);
+ if (settings == NULL)
+ return g_strdup("unknown");
+
+ char *name = settings_name(settings);
+ mpd_settings_free(settings);
+
+ return name;
+#else
+ return g_strdup(options.host);
+#endif
+}
+
+static char *
+connection_settings_name(const struct mpd_connection *connection)
+{
+#if LIBMPDCLIENT_CHECK_VERSION(2,4,0)
+ const struct mpd_settings *settings =
+ mpd_connection_get_settings(connection);
+ if (settings == NULL)
+ return g_strdup("unknown");
+
+ return settings_name(settings);
+#else
+ (void)connection;
+ return g_strdup(options.host);
+#endif
+}
+
/**
* This timer is installed when the connection to the MPD server is
* broken. It tries to recover by reconnecting periodically.
static gboolean
timer_reconnect(G_GNUC_UNUSED gpointer data)
{
- int ret;
+ bool success;
+ struct mpd_connection *connection;
assert(!mpdclient_is_connected(mpd));
+ reconnect_source_id = 0;
+
+ char *name = default_settings_name();
screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
- options.host, get_key_names(CMD_QUIT,0) );
+ name, get_key_names(CMD_QUIT,0) );
+ g_free(name);
doupdate();
mpdclient_disconnect(mpd);
- ret = mpdclient_connect(mpd,
- options.host, options.port,
- 1.5,
- options.password);
- if (ret != 0) {
+ success = mpdclient_connect(mpd,
+ options.host, options.port,
+ 1.5,
+ options.password);
+ if (!success) {
/* try again in 5 seconds */
- g_timeout_add(5000, timer_reconnect, NULL);
+ reconnect_source_id = g_timeout_add(5000,
+ timer_reconnect, NULL);
return FALSE;
}
+ connection = mpdclient_get_connection(mpd);
+
#ifndef NCMPC_MINI
/* quit if mpd is pre 0.11.0 - song id not supported by mpd */
- if (mpd_connection_cmp_server_version(mpd->connection, 0, 11, 0) < 0) {
+ if (mpd_connection_cmp_server_version(connection, 0, 12, 0) < 0) {
const unsigned *version =
- mpd_connection_get_server_version(mpd->connection);
+ mpd_connection_get_server_version(connection);
screen_status_printf(_("Error: MPD version %d.%d.%d is to old (%s needed)"),
version[0], version[1], version[2],
- "0.11.0");
+ "0.12.0");
mpdclient_disconnect(mpd);
doupdate();
/* try again after 30 seconds */
- g_timeout_add(30000, timer_reconnect, NULL);
+ reconnect_source_id = g_timeout_add(30000,
+ timer_reconnect, NULL);
return FALSE;
}
#endif
- screen_status_printf(_("Connected to %s"),
- options.host != NULL
- ? options.host : "localhost");
+ if (mpd_connection_cmp_server_version(connection,
+ 0, 14, 0) >= 0)
+ mpd->source = mpd_glib_new(connection,
+ idle_callback, mpd);
+
+ name = connection_settings_name(connection);
+ screen_status_printf(_("Connected to %s"), name);
+ g_free(name);
doupdate();
/* update immediately */
- g_timeout_add(1, timer_mpd_update, GINT_TO_POINTER(FALSE));
+ mpd->events = MPD_IDLE_DATABASE|MPD_IDLE_STORED_PLAYLIST|
+ MPD_IDLE_QUEUE|MPD_IDLE_PLAYER|MPD_IDLE_MIXER|MPD_IDLE_OUTPUT|
+ MPD_IDLE_OPTIONS|MPD_IDLE_UPDATE;
+
+ do_mpd_update();
+
+ auto_update_timer();
- reconnect_source_id = 0;
return FALSE;
+}
+static void
+check_reconnect(void)
+{
+ if (!mpdclient_is_connected(mpd) && reconnect_source_id == 0)
+ /* reconnect when the connection is lost */
+ reconnect_source_id = g_timeout_add(1000, timer_reconnect,
+ NULL);
}
-static gboolean
-timer_mpd_update(gpointer data)
+/**
+ * This function is called by the gidle.c library when MPD sends us an
+ * idle event (or when the connectiond dies).
+ */
+static void
+idle_callback(enum mpd_error error, enum mpd_server_error server_error,
+ const char *message, enum mpd_idle events,
+ void *ctx)
{
- if (mpdclient_is_connected(mpd))
- mpdclient_update(mpd);
- else if (reconnect_source_id == 0)
+ struct mpdclient *c = ctx;
+ struct mpd_connection *connection;
+
+ c->idle = false;
+
+ connection = mpdclient_get_connection(c);
+ assert(connection != NULL);
+
+ if (error != MPD_ERROR_SUCCESS) {
+ char *allocated;
+
+ if (error == MPD_ERROR_SERVER &&
+ server_error == MPD_SERVER_ERROR_UNKNOWN_CMD) {
+ /* the "idle" command is not supported - fall
+ back to timer based polling */
+ mpd_glib_free(c->source);
+ c->source = NULL;
+ auto_update_timer();
+ return;
+ }
+
+ if (error == MPD_ERROR_SERVER)
+ message = allocated = utf8_to_locale(message);
+ else
+ allocated = NULL;
+ screen_status_message(message);
+ g_free(allocated);
+ screen_bell();
+ doupdate();
+
+ mpdclient_disconnect(c);
+ screen_update(mpd);
reconnect_source_id = g_timeout_add(1000, timer_reconnect,
NULL);
+ return;
+ }
+
+ c->events |= events;
+ mpdclient_update(c);
#ifndef NCMPC_MINI
if (options.enable_xterm_title)
#endif
screen_update(mpd);
+ c->events = 0;
- return GPOINTER_TO_INT(data);
+ mpdclient_put_connection(c);
+ check_reconnect();
+ auto_update_timer();
+}
+
+static gboolean
+timer_mpd_update(G_GNUC_UNUSED gpointer data)
+{
+ do_mpd_update();
+
+ if (should_enable_update_timer())
+ return true;
+ else {
+ update_source_id = 0;
+ return false;
+ }
}
void begin_input_event(void)
void end_input_event(void)
{
screen_update(mpd);
+ mpd->events = 0;
+
+ mpdclient_put_connection(mpd);
+ check_reconnect();
+ auto_update_timer();
}
int do_input_event(command_t cmd)
screen_cmd(mpd, cmd);
- if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN) {
+ if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN)
/* make sure we don't update the volume yet */
- g_source_remove(update_source_id);
- update_source_id = g_timeout_add(update_interval,
- timer_mpd_update,
- GINT_TO_POINTER(TRUE));
- }
+ disable_update_timer();
return 0;
}
int lirc_socket;
GIOChannel *lirc_channel = NULL;
#endif
+ GIOChannel *sigwinch_channel = NULL;
#ifdef ENABLE_LOCALE
/* time and date formatting */
/* create mpdclient instance */
mpd = mpdclient_new();
- mpdclient_install_error_callback(mpd, error_callback);
/* initialize curses */
screen_init(mpd);
}
#endif
+ if (!pipe(sigwinch_pipes) &&
+ !fcntl(sigwinch_pipes[1], F_SETFL, O_NONBLOCK)) {
+ sigwinch_channel = g_io_channel_unix_new(sigwinch_pipes[0]);
+ g_io_add_watch(sigwinch_channel, G_IO_IN, sigwinch_event, NULL);
+ }
+ else {
+ perror("sigwinch pipe creation failed");
+ exit(EXIT_FAILURE);
+ }
+
/* attempt to connect */
reconnect_source_id = g_timeout_add(1, timer_reconnect, NULL);
- update_source_id = g_timeout_add(update_interval,
- timer_mpd_update,
- GINT_TO_POINTER(TRUE));
+ auto_update_timer();
+
#ifndef NCMPC_MINI
check_key_bindings_source_id = g_timeout_add(10000, timer_check_key_bindings, NULL);
#endif
cancel_seek_timer();
- g_source_remove(update_source_id);
+ disable_update_timer();
+
+ if (reconnect_source_id != 0)
+ g_source_remove(reconnect_source_id);
#ifndef NCMPC_MINI
if (check_key_bindings_source_id != 0)
g_main_loop_unref(main_loop);
g_io_channel_unref(keyboard_channel);
+ g_io_channel_unref(sigwinch_channel);
+ close(sigwinch_pipes[0]);
+ close(sigwinch_pipes[1]);
#ifdef ENABLE_LIRC
if (lirc_socket >= 0)