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-rw-r--r--src/state_file.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/src/state_file.c b/src/state_file.c
deleted file mode 100644
index de0e70538..000000000
--- a/src/state_file.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * 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 "state_file.h"
-#include "output_state.h"
-#include "playlist.h"
-#include "playlist_state.h"
-#include "volume.h"
-#include "text_file.h"
-
-#include <glib.h>
-#include <assert.h>
-#include <string.h>
-#include <errno.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "state_file"
-
-static char *state_file_path;
-
-/** the GLib source id for the save timer */
-static guint save_state_source_id;
-
-/**
- * These version numbers determine whether we need to save the state
- * file. If nothing has changed, we won't let the hard drive spin up.
- */
-static unsigned prev_volume_version, prev_output_version,
- prev_playlist_version;
-
-static void
-state_file_write(struct player_control *pc)
-{
- FILE *fp;
-
- assert(state_file_path != NULL);
-
- g_debug("Saving state file %s", state_file_path);
-
- fp = fopen(state_file_path, "w");
- if (G_UNLIKELY(!fp)) {
- g_warning("failed to create %s: %s",
- state_file_path, g_strerror(errno));
- return;
- }
-
- save_sw_volume_state(fp);
- audio_output_state_save(fp);
- playlist_state_save(fp, &g_playlist, pc);
-
- fclose(fp);
-
- prev_volume_version = sw_volume_state_get_hash();
- prev_output_version = audio_output_state_get_version();
- prev_playlist_version = playlist_state_get_hash(&g_playlist, pc);
-}
-
-static void
-state_file_read(struct player_control *pc)
-{
- FILE *fp;
- bool success;
-
- assert(state_file_path != NULL);
-
- g_debug("Loading state file %s", state_file_path);
-
- fp = fopen(state_file_path, "r");
- if (G_UNLIKELY(!fp)) {
- g_warning("failed to open %s: %s",
- state_file_path, g_strerror(errno));
- return;
- }
-
- GString *buffer = g_string_sized_new(1024);
- const char *line;
- while ((line = read_text_line(fp, buffer)) != NULL) {
- success = read_sw_volume_state(line) ||
- audio_output_state_read(line) ||
- playlist_state_restore(line, fp, buffer,
- &g_playlist, pc);
- if (!success)
- g_warning("Unrecognized line in state file: %s", line);
- }
-
- fclose(fp);
-
- prev_volume_version = sw_volume_state_get_hash();
- prev_output_version = audio_output_state_get_version();
- prev_playlist_version = playlist_state_get_hash(&g_playlist, pc);
-
-
- g_string_free(buffer, true);
-}
-
-/**
- * This function is called every 5 minutes by the GLib main loop, and
- * saves the state file.
- */
-static gboolean
-timer_save_state_file(gpointer data)
-{
- struct player_control *pc = data;
-
- if (prev_volume_version == sw_volume_state_get_hash() &&
- prev_output_version == audio_output_state_get_version() &&
- prev_playlist_version == playlist_state_get_hash(&g_playlist, pc))
- /* nothing has changed - don't save the state file,
- don't spin up the hard disk */
- return true;
-
- state_file_write(pc);
- return true;
-}
-
-void
-state_file_init(const char *path, struct player_control *pc)
-{
- assert(state_file_path == NULL);
-
- if (path == NULL)
- return;
-
- state_file_path = g_strdup(path);
- state_file_read(pc);
-
- save_state_source_id = g_timeout_add_seconds(5 * 60,
- timer_save_state_file,
- pc);
-}
-
-void
-state_file_finish(struct player_control *pc)
-{
- if (state_file_path == NULL)
- /* no state file configured, no cleanup required */
- return;
-
- if (save_state_source_id != 0)
- g_source_remove(save_state_source_id);
-
- state_file_write(pc);
-
- g_free(state_file_path);
-}