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-rw-r--r--src/command.c44
-rw-r--r--src/directory.c120
-rw-r--r--src/directory.h7
3 files changed, 71 insertions, 100 deletions
diff --git a/src/command.c b/src/command.c
index 70bfa78b5..07f422720 100644
--- a/src/command.c
+++ b/src/command.c
@@ -813,47 +813,17 @@ static int print_update_result(int fd, int ret)
return -1;
}
-static int listHandleUpdate(int fd,
- mpd_unused int *permission,
- mpd_unused int argc,
- char *argv[],
- struct strnode *cmdnode, CommandEntry * cmd)
-{
- static char **pathv;
- static int pathc;
- CommandEntry *nextCmd = NULL;
- struct strnode *next = cmdnode->next;
- int last = pathc++;
-
- pathv = xrealloc(pathv, pathc * sizeof(char *));
- pathv[last] = sanitizePathDup(argc == 2 ? argv[1] : "");
-
- if (next)
- nextCmd = getCommandEntryFromString(next->data, permission);
-
- if (cmd != nextCmd) {
- int ret = print_update_result(fd, updateInit(pathc, pathv));
- if (pathc) {
- assert(pathv);
- free(pathv);
- pathv = NULL;
- pathc = 0;
- }
- return ret;
- }
-
- return 0;
-}
-
static int handleUpdate(int fd, mpd_unused int *permission,
mpd_unused int argc, char *argv[])
{
- char *pathv[1];
+ char *path = NULL;
assert(argc <= 2);
- if (argc == 2)
- pathv[0] = sanitizePathDup(argv[1]);
- return print_update_result(fd, updateInit(argc - 1, pathv));
+ if (argc == 2 && !(path = sanitizePathDup(argv[1]))) {
+ commandError(fd, ACK_ERROR_ARG, "invalid path");
+ return -1;
+ }
+ return print_update_result(fd, directory_update_init(path));
}
static int handleNext(mpd_unused int fd, mpd_unused int *permission,
@@ -1289,7 +1259,7 @@ void initCommands(void)
addCommand(COMMAND_PLAYLISTINFO, PERMISSION_READ, 0, 1, handlePlaylistInfo, NULL);
addCommand(COMMAND_FIND, PERMISSION_READ, 2, -1, handleFind, NULL);
addCommand(COMMAND_SEARCH, PERMISSION_READ, 2, -1, handleSearch, NULL);
- addCommand(COMMAND_UPDATE, PERMISSION_ADMIN, 0, 1, handleUpdate, listHandleUpdate);
+ addCommand(COMMAND_UPDATE, PERMISSION_ADMIN, 0, 1, handleUpdate, NULL);
addCommand(COMMAND_NEXT, PERMISSION_CONTROL, 0, 0, handleNext, NULL);
addCommand(COMMAND_PREVIOUS, PERMISSION_CONTROL, 0, 0, handlePrevious, NULL);
addCommand(COMMAND_LISTALL, PERMISSION_READ, 0, 1, handleListAll, NULL);
diff --git a/src/directory.c b/src/directory.c
index 0c34e2ea9..1cd9da9eb 100644
--- a/src/directory.c
+++ b/src/directory.c
@@ -52,13 +52,18 @@ enum update_progress {
UPDATE_PROGRESS_DONE = 2
} progress;
+/* make this dynamic?, or maybe this is big enough... */
+static char *update_paths[32];
+static size_t update_paths_nr;
+
static Directory *music_root;
static time_t directory_dbModTime;
static pthread_t update_thr;
-static int directory_updateJobId;
+static const int update_task_id_max = 1 << 15;
+static int update_task_id;
static int addToDirectory(Directory * directory, const char *name);
@@ -97,87 +102,84 @@ static char *getDbFile(void)
int isUpdatingDB(void)
{
- return (progress != UPDATE_PROGRESS_IDLE) ? directory_updateJobId : 0;
-}
-
-void reap_update_task(void)
-{
- enum update_return ret;
-
- if (progress != UPDATE_PROGRESS_DONE)
- return;
- if (pthread_join(update_thr, (void **)&ret))
- FATAL("error joining update thread: %s\n", strerror(errno));
- if (ret == UPDATE_RETURN_UPDATED)
- playlistVersionChange();
- progress = UPDATE_PROGRESS_IDLE;
+ return (progress != UPDATE_PROGRESS_IDLE) ? update_task_id : 0;
}
-/* @argv represents a null-terminated array of (null-terminated) strings */
-static void * update_task(void *argv)
+static void * update_task(void *_path)
{
enum update_return ret = UPDATE_RETURN_NOUPDATE;
- if (argv) {
- char **pathv;
- for (pathv = (char **)argv; *pathv; pathv++) {
- switch (updatePath(*pathv)) {
- case UPDATE_RETURN_ERROR:
- ret = UPDATE_RETURN_ERROR;
- goto out;
- case UPDATE_RETURN_NOUPDATE:
- break;
- case UPDATE_RETURN_UPDATED:
- ret = UPDATE_RETURN_UPDATED;
- }
- free(*pathv);
- }
- free(argv);
+ if (_path) {
+ ret = updatePath((char *)_path);
+ free(_path);
} else {
ret = updateDirectory(music_root);
}
if (ret == UPDATE_RETURN_UPDATED && writeDirectoryDB() < 0)
ret = UPDATE_RETURN_ERROR;
-out:
progress = UPDATE_PROGRESS_DONE;
wakeup_main_task();
return (void *)ret;
}
-int updateInit(int argc, char *argv[])
+static void spawn_update_task(char *path)
{
pthread_attr_t attr;
- char **pathv = NULL;
- int i;
-
- if (progress != UPDATE_PROGRESS_IDLE) {
- for (i = argc; --i >= 0; )
- free(argv[i]);
- return -1;
- }
- for (i = argc; --i >= 0; ) {
- if (!argv[i])
- return -2;
- }
+ assert(pthread_equal(pthread_self(), main_task));
progress = UPDATE_PROGRESS_RUNNING;
- if (argc > 0) {
- pathv = xmalloc((argc + 1) * sizeof(char *));
- memcpy(pathv, argv, argc * sizeof(char *));
- pathv[argc] = NULL;
- }
-
pthread_attr_init(&attr);
- if (pthread_create(&update_thr, &attr, update_task, pathv))
+ if (pthread_create(&update_thr, &attr, update_task, path))
FATAL("Failed to spawn update task: %s\n", strerror(errno));
- directory_updateJobId++;
- if (directory_updateJobId > 1 << 15)
- directory_updateJobId = 1;
- DEBUG("updateInit: spawned update thread for update job id %i\n",
- (int)directory_updateJobId);
- return directory_updateJobId;
+ if (++update_task_id > update_task_id_max)
+ update_task_id = 1;
+ DEBUG("spawned thread for update job id %i\n", update_task_id);
+}
+
+void reap_update_task(void)
+{
+ enum update_return ret;
+
+ assert(pthread_equal(pthread_self(), main_task));
+
+ if (progress != UPDATE_PROGRESS_DONE)
+ return;
+ if (pthread_join(update_thr, (void **)&ret))
+ FATAL("error joining update thread: %s\n", strerror(errno));
+ if (ret == UPDATE_RETURN_UPDATED)
+ playlistVersionChange();
+
+ if (update_paths_nr) {
+ char *path = update_paths[0];
+ memmove(&update_paths[0], &update_paths[1],
+ --update_paths_nr * sizeof(char *));
+ spawn_update_task(path);
+ } else {
+ progress = UPDATE_PROGRESS_IDLE;
+ }
+}
+
+int directory_update_init(char *path)
+{
+ assert(pthread_equal(pthread_self(), main_task));
+
+ if (progress != UPDATE_PROGRESS_IDLE) {
+ int next_task_id;
+
+ if (!path)
+ return -1;
+ if (update_paths_nr == ARRAY_SIZE(update_paths))
+ return -1;
+ assert(update_paths_nr < ARRAY_SIZE(update_paths));
+ update_paths[update_paths_nr++] = path;
+ next_task_id = update_task_id + update_paths_nr;
+
+ return next_task_id > update_task_id_max ? 1 : next_task_id;
+ }
+ spawn_update_task(path);
+ return update_task_id;
}
static void directory_set_stat(Directory * dir, const struct stat *st)
diff --git a/src/directory.h b/src/directory.h
index eb1b35aa7..20b784166 100644
--- a/src/directory.h
+++ b/src/directory.h
@@ -43,11 +43,10 @@ int isUpdatingDB(void);
/*
* returns the non-negative update job ID on success,
- * -1 if busy, -2 if invalid argument
- * @argv itself is safe to free once updateInit returns, but the
- * string values contained by @argv MUST NOT be freed manually
+ * returns -1 if busy
+ * @path will be freed by this function and should not be reused
*/
-int updateInit(int argc, char *argv[]);
+int directory_update_init(char *path);
void directory_init(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 18:06:00 +0000