update: convert to C++

1 files changed, 0 insertions, 374 deletions

diff --git a/src/inotify_update.c b/src/inotify_update.c
deleted file mode 100644
index 3f4a8c0c4..000000000
--- a/src/inotify_update.c
+++ /dev/null
@@ -1,374 +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" /* must be first for large file support */
-#include "inotify_update.h"
-#include "inotify_source.h"
-#include "inotify_queue.h"
-#include "database.h"
-#include "mapper.h"
-#include "path.h"
-
-#include <assert.h>
-#include <sys/inotify.h>
-#include <sys/stat.h>
-#include <stdbool.h>
-#include <string.h>
-#include <dirent.h>
-#include <errno.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "inotify"
-
-enum {
-	IN_MASK = IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
-	|IN_MOVE|IN_MOVE_SELF
-#ifdef IN_ONLYDIR
-	|IN_ONLYDIR
-#endif
-};
-
-struct watch_directory {
-	struct watch_directory *parent;
-
-	char *name;
-
-	int descriptor;
-
-	GList *children;
-};
-
-static struct mpd_inotify_source *inotify_source;
-
-static unsigned inotify_max_depth;
-static struct watch_directory inotify_root;
-static GTree *inotify_directories;
-
-static gint
-compare(gconstpointer a, gconstpointer b)
-{
-	if (a < b)
-		return -1;
-	else if (a > b)
-		return 1;
-	else
-		return 0;
-}
-
-static void
-tree_add_watch_directory(struct watch_directory *directory)
-{
-	g_tree_insert(inotify_directories,
-		      GINT_TO_POINTER(directory->descriptor), directory);
-}
-
-static void
-tree_remove_watch_directory(struct watch_directory *directory)
-{
-	G_GNUC_UNUSED
-	bool found = g_tree_remove(inotify_directories,
-				   GINT_TO_POINTER(directory->descriptor));
-	assert(found);
-}
-
-static struct watch_directory *
-tree_find_watch_directory(int wd)
-{
-	return g_tree_lookup(inotify_directories, GINT_TO_POINTER(wd));
-}
-
-static void
-remove_watch_directory(struct watch_directory *directory)
-{
-	assert(directory != NULL);
-
-	if (directory->parent == NULL) {
-		g_warning("music directory was removed - "
-			  "cannot continue to watch it");
-		return;
-	}
-
-	assert(directory->parent->children != NULL);
-
-	tree_remove_watch_directory(directory);
-
-	while (directory->children != NULL)
-		remove_watch_directory(directory->children->data);
-
-	directory->parent->children =
-		g_list_remove(directory->parent->children, directory);
-
-	mpd_inotify_source_rm(inotify_source, directory->descriptor);
-	g_free(directory->name);
-	g_slice_free(struct watch_directory, directory);
-}
-
-static char *
-watch_directory_get_uri_fs(const struct watch_directory *directory)
-{
-	char *parent_uri, *uri;
-
-	if (directory->parent == NULL)
-		return NULL;
-
-	parent_uri = watch_directory_get_uri_fs(directory->parent);
-	if (parent_uri == NULL)
-		return g_strdup(directory->name);
-
-	uri = g_strconcat(parent_uri, "/", directory->name, NULL);
-	g_free(parent_uri);
-
-	return uri;
-}
-
-/* we don't look at "." / ".." nor files with newlines in their name */
-static bool skip_path(const char *path)
-{
-	return (path[0] == '.' && path[1] == 0) ||
-		(path[0] == '.' && path[1] == '.' && path[2] == 0) ||
-		strchr(path, '\n') != NULL;
-}
-
-static void
-recursive_watch_subdirectories(struct watch_directory *directory,
-			       const char *path_fs, unsigned depth)
-{
-	GError *error = NULL;
-	DIR *dir;
-	struct dirent *ent;
-
-	assert(directory != NULL);
-	assert(depth <= inotify_max_depth);
-	assert(path_fs != NULL);
-
-	++depth;
-
-	if (depth > inotify_max_depth)
-		return;
-
-	dir = opendir(path_fs);
-	if (dir == NULL) {
-		g_warning("Failed to open directory %s: %s",
-			  path_fs, g_strerror(errno));
-		return;
-	}
-
-	while ((ent = readdir(dir))) {
-		char *child_path_fs;
-		struct stat st;
-		int ret;
-		struct watch_directory *child;
-
-		if (skip_path(ent->d_name))
-			continue;
-
-		child_path_fs = g_strconcat(path_fs, "/", ent->d_name, NULL);
-		ret = stat(child_path_fs, &st);
-		if (ret < 0) {
-			g_warning("Failed to stat %s: %s",
-				  child_path_fs, g_strerror(errno));
-			g_free(child_path_fs);
-			continue;
-		}
-
-		if (!S_ISDIR(st.st_mode)) {
-			g_free(child_path_fs);
-			continue;
-		}
-
-		ret = mpd_inotify_source_add(inotify_source, child_path_fs,
-					     IN_MASK, &error);
-		if (ret < 0) {
-			g_warning("Failed to register %s: %s",
-				  child_path_fs, error->message);
-			g_error_free(error);
-			error = NULL;
-			g_free(child_path_fs);
-			continue;
-		}
-
-		child = tree_find_watch_directory(ret);
-		if (child != NULL) {
-			/* already being watched */
-			g_free(child_path_fs);
-			continue;
-		}
-
-		child = g_slice_new(struct watch_directory);
-		child->parent = directory;
-		child->name = g_strdup(ent->d_name);
-		child->descriptor = ret;
-		child->children = NULL;
-
-		directory->children = g_list_prepend(directory->children,
-						     child);
-
-		tree_add_watch_directory(child);
-
-		recursive_watch_subdirectories(child, child_path_fs, depth);
-		g_free(child_path_fs);
-	}
-
-	closedir(dir);
-}
-
-G_GNUC_PURE
-static unsigned
-watch_directory_depth(const struct watch_directory *d)
-{
-	assert(d != NULL);
-
-	unsigned depth = 0;
-	while ((d = d->parent) != NULL)
-		++depth;
-
-	return depth;
-}
-
-static void
-mpd_inotify_callback(int wd, unsigned mask,
-		     G_GNUC_UNUSED const char *name, G_GNUC_UNUSED void *ctx)
-{
-	struct watch_directory *directory;
-	char *uri_fs;
-
-	/*g_debug("wd=%d mask=0x%x name='%s'", wd, mask, name);*/
-
-	directory = tree_find_watch_directory(wd);
-	if (directory == NULL)
-		return;
-
-	uri_fs = watch_directory_get_uri_fs(directory);
-
-	if ((mask & (IN_DELETE_SELF|IN_MOVE_SELF)) != 0) {
-		g_free(uri_fs);
-		remove_watch_directory(directory);
-		return;
-	}
-
-	if ((mask & (IN_ATTRIB|IN_CREATE|IN_MOVE)) != 0 &&
-	    (mask & IN_ISDIR) != 0) {
-		/* a sub directory was changed: register those in
-		   inotify */
-		const char *root = mapper_get_music_directory_fs();
-		const char *path_fs;
-		char *allocated = NULL;
-
-		if (uri_fs != NULL)
-			path_fs = allocated =
-				g_strconcat(root, "/", uri_fs, NULL);
-		else
-			path_fs = root;
-
-		recursive_watch_subdirectories(directory, path_fs,
-					       watch_directory_depth(directory));
-		g_free(allocated);
-	}
-
-	if ((mask & (IN_CLOSE_WRITE|IN_MOVE|IN_DELETE)) != 0 ||
-	    /* at the maximum depth, we watch out for newly created
-	       directories */
-	    (watch_directory_depth(directory) == inotify_max_depth &&
-	     (mask & (IN_CREATE|IN_ISDIR)) == (IN_CREATE|IN_ISDIR))) {
-		/* a file was changed, or a directory was
-		   moved/deleted: queue a database update */
-		char *uri_utf8 = uri_fs != NULL
-			? fs_charset_to_utf8(uri_fs)
-			: g_strdup("");
-
-		if (uri_utf8 != NULL)
-			/* this function will take care of freeing
-			   uri_utf8 */
-			mpd_inotify_enqueue(uri_utf8);
-	}
-
-	g_free(uri_fs);
-}
-
-void
-mpd_inotify_init(unsigned max_depth)
-{
-	GError *error = NULL;
-
-	g_debug("initializing inotify");
-
-	const char *path = mapper_get_music_directory_fs();
-	if (path == NULL) {
-		g_debug("no music directory configured");
-		return;
-	}
-
-	inotify_source = mpd_inotify_source_new(mpd_inotify_callback, NULL,
-						&error);
-	if (inotify_source == NULL) {
-		g_warning("%s", error->message);
-		g_error_free(error);
-		return;
-	}
-
-	inotify_max_depth = max_depth;
-
-	inotify_root.name = g_strdup(path);
-	inotify_root.descriptor = mpd_inotify_source_add(inotify_source, path,
-							 IN_MASK, &error);
-	if (inotify_root.descriptor < 0) {
-		g_warning("%s", error->message);
-		g_error_free(error);
-		mpd_inotify_source_free(inotify_source);
-		inotify_source = NULL;
-		return;
-	}
-
-	inotify_directories = g_tree_new(compare);
-	tree_add_watch_directory(&inotify_root);
-
-	recursive_watch_subdirectories(&inotify_root, path, 0);
-
-	mpd_inotify_queue_init();
-
-	g_debug("watching music directory");
-}
-
-static gboolean
-free_watch_directory(G_GNUC_UNUSED gpointer key, gpointer value,
-		     G_GNUC_UNUSED gpointer data)
-{
-	struct watch_directory *directory = value;
-
-	g_free(directory->name);
-	g_list_free(directory->children);
-
-	if (directory != &inotify_root)
-		g_slice_free(struct watch_directory, directory);
-
-	return false;
-}
-
-void
-mpd_inotify_finish(void)
-{
-	if (inotify_source == NULL)
-		return;
-
-	mpd_inotify_queue_finish();
-	mpd_inotify_source_free(inotify_source);
-
-	g_tree_foreach(inotify_directories, free_watch_directory, NULL);
-	g_tree_destroy(inotify_directories);
-}