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authorEric Wong <normalperson@yhbt.net>2008-10-06 18:34:18 +0200
committerMax Kellermann <max@duempel.org>2008-10-06 18:34:18 +0200
commit8faf6487842366dc216101b211a92d382d0a7839 (patch)
treec6590846997e82817a47db8cc558553ffcd6dcbc /src
parent37a8239f442e54de8e55de41f95b8e4a4c972701 (diff)
downloadmpd-8faf6487842366dc216101b211a92d382d0a7839.tar.gz
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command: get rid of specialized list handlers
commands should really not behave differently if they're issued inside a command list or not; so stop having special handler functions to deal with them. "update" was the only command that used this functionality and I changed that in the last commit to serialize access.
Diffstat (limited to 'src')
-rw-r--r--src/command.c155
1 files changed, 67 insertions, 88 deletions
diff --git a/src/command.c b/src/command.c
index 3dda2f3c2..ae9d7ed1b 100644
--- a/src/command.c
+++ b/src/command.c
@@ -128,8 +128,6 @@
typedef struct _CommandEntry CommandEntry;
typedef int (*CommandHandlerFunction) (struct client *, int, char **);
-typedef int (*CommandListHandlerFunction)
- (struct client *, int, char **, struct strnode *, CommandEntry *);
/* if min: -1 don't check args *
* if max: -1 no max args */
@@ -139,7 +137,6 @@ struct _CommandEntry {
int max;
int reqPermission;
CommandHandlerFunction handler;
- CommandListHandlerFunction listHandler;
};
/* this should really be "need a non-negative integer": */
@@ -156,18 +153,6 @@ static int command_listNum;
static List *commandList;
-static CommandEntry *newCommandEntry(void)
-{
- CommandEntry *cmd = xmalloc(sizeof(CommandEntry));
- cmd->cmd = NULL;
- cmd->min = 0;
- cmd->max = 0;
- cmd->handler = NULL;
- cmd->listHandler = NULL;
- cmd->reqPermission = 0;
- return cmd;
-}
-
void command_success(struct client *client)
{
client_puts(client, "OK\n");
@@ -283,15 +268,13 @@ static void addCommand(const char *name,
int reqPermission,
int minargs,
int maxargs,
- CommandHandlerFunction handler_func,
- CommandListHandlerFunction listHandler_func)
+ CommandHandlerFunction handler_func)
{
- CommandEntry *cmd = newCommandEntry();
+ CommandEntry *cmd = xmalloc(sizeof(CommandEntry));
cmd->cmd = name;
cmd->min = minargs;
cmd->max = maxargs;
cmd->handler = handler_func;
- cmd->listHandler = listHandler_func;
cmd->reqPermission = reqPermission;
insertInList(commandList, cmd->cmd, cmd);
@@ -1256,70 +1239,70 @@ void initCommands(void)
{
commandList = makeList(free, 1);
- /* addCommand(name, permission, min, max, handler, list handler); */
- addCommand(COMMAND_PLAY, PERMISSION_CONTROL, 0, 1, handlePlay, NULL);
- addCommand(COMMAND_PLAYID, PERMISSION_CONTROL, 0, 1, handlePlayId, NULL);
- addCommand(COMMAND_STOP, PERMISSION_CONTROL, 0, 0, handleStop, NULL);
- addCommand(COMMAND_CURRENTSONG, PERMISSION_READ, 0, 0, handleCurrentSong, NULL);
- addCommand(COMMAND_PAUSE, PERMISSION_CONTROL, 0, 1, handlePause, NULL);
- addCommand(COMMAND_STATUS, PERMISSION_READ, 0, 0, commandStatus, NULL);
- addCommand(COMMAND_KILL, PERMISSION_ADMIN, -1, -1, handleKill, NULL);
- addCommand(COMMAND_CLOSE, PERMISSION_NONE, -1, -1, handleClose, NULL);
- addCommand(COMMAND_ADD, PERMISSION_ADD, 1, 1, handleAdd, NULL);
- addCommand(COMMAND_ADDID, PERMISSION_ADD, 1, 2, handleAddId, NULL);
- addCommand(COMMAND_DELETE, PERMISSION_CONTROL, 1, 1, handleDelete, NULL);
- addCommand(COMMAND_DELETEID, PERMISSION_CONTROL, 1, 1, handleDeleteId, NULL);
- addCommand(COMMAND_PLAYLIST, PERMISSION_READ, 0, 0, handlePlaylist, NULL);
- addCommand(COMMAND_PLAYLISTID, PERMISSION_READ, 0, 1, handlePlaylistId, NULL);
- addCommand(COMMAND_SHUFFLE, PERMISSION_CONTROL, 0, 0, handleShuffle, NULL);
- addCommand(COMMAND_CLEAR, PERMISSION_CONTROL, 0, 0, handleClear, NULL);
- addCommand(COMMAND_SAVE, PERMISSION_CONTROL, 1, 1, handleSave, NULL);
- addCommand(COMMAND_LOAD, PERMISSION_ADD, 1, 1, handleLoad, NULL);
- addCommand(COMMAND_LISTPLAYLIST, PERMISSION_READ, 1, 1, handleListPlaylist, NULL);
- addCommand(COMMAND_LISTPLAYLISTINFO, PERMISSION_READ, 1, 1, handleListPlaylistInfo, NULL);
- addCommand(COMMAND_LSINFO, PERMISSION_READ, 0, 1, handleLsInfo, NULL);
- addCommand(COMMAND_RM, PERMISSION_CONTROL, 1, 1, handleRm, NULL);
- 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, 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);
- addCommand(COMMAND_VOLUME, PERMISSION_CONTROL, 1, 1, handleVolume, NULL);
- addCommand(COMMAND_REPEAT, PERMISSION_CONTROL, 1, 1, handleRepeat, NULL);
- addCommand(COMMAND_RANDOM, PERMISSION_CONTROL, 1, 1, handleRandom, NULL);
- addCommand(COMMAND_STATS, PERMISSION_READ, 0, 0, handleStats, NULL);
- addCommand(COMMAND_CLEAR_ERROR, PERMISSION_CONTROL, 0, 0, handleClearError, NULL);
- addCommand(COMMAND_LIST, PERMISSION_READ, 1, -1, handleList, NULL);
- addCommand(COMMAND_MOVE, PERMISSION_CONTROL, 2, 2, handleMove, NULL);
- addCommand(COMMAND_MOVEID, PERMISSION_CONTROL, 2, 2, handleMoveId, NULL);
- addCommand(COMMAND_SWAP, PERMISSION_CONTROL, 2, 2, handleSwap, NULL);
- addCommand(COMMAND_SWAPID, PERMISSION_CONTROL, 2, 2, handleSwapId, NULL);
- addCommand(COMMAND_SEEK, PERMISSION_CONTROL, 2, 2, handleSeek, NULL);
- addCommand(COMMAND_SEEKID, PERMISSION_CONTROL, 2, 2, handleSeekId, NULL);
- addCommand(COMMAND_LISTALLINFO, PERMISSION_READ, 0, 1, handleListAllInfo, NULL);
- addCommand(COMMAND_PING, PERMISSION_NONE, 0, 0, handlePing, NULL);
- addCommand(COMMAND_SETVOL, PERMISSION_CONTROL, 1, 1, handleSetVol, NULL);
- addCommand(COMMAND_PASSWORD, PERMISSION_NONE, 1, 1, handlePassword, NULL);
- addCommand(COMMAND_CROSSFADE, PERMISSION_CONTROL, 1, 1, handleCrossfade, NULL);
- addCommand(COMMAND_URL_HANDLERS, PERMISSION_READ, 0, 0, handleUrlHandlers, NULL);
- addCommand(COMMAND_PLCHANGES, PERMISSION_READ, 1, 1, handlePlaylistChanges, NULL);
- addCommand(COMMAND_PLCHANGESPOSID, PERMISSION_READ, 1, 1, handlePlaylistChangesPosId, NULL);
- addCommand(COMMAND_ENABLE_DEV, PERMISSION_ADMIN, 1, 1, handleEnableDevice, NULL);
- addCommand(COMMAND_DISABLE_DEV, PERMISSION_ADMIN, 1, 1, handleDisableDevice, NULL);
- addCommand(COMMAND_DEVICES, PERMISSION_READ, 0, 0, handleDevices, NULL);
- addCommand(COMMAND_COMMANDS, PERMISSION_NONE, 0, 0, handleCommands, NULL);
- addCommand(COMMAND_NOTCOMMANDS, PERMISSION_NONE, 0, 0, handleNotcommands, NULL);
- addCommand(COMMAND_PLAYLISTCLEAR, PERMISSION_CONTROL, 1, 1, handlePlaylistClear, NULL);
- addCommand(COMMAND_PLAYLISTADD, PERMISSION_CONTROL, 2, 2, handlePlaylistAdd, NULL);
- addCommand(COMMAND_PLAYLISTFIND, PERMISSION_READ, 2, -1, handlePlaylistFind, NULL);
- addCommand(COMMAND_PLAYLISTSEARCH, PERMISSION_READ, 2, -1, handlePlaylistSearch, NULL);
- addCommand(COMMAND_PLAYLISTMOVE, PERMISSION_CONTROL, 3, 3, handlePlaylistMove, NULL);
- addCommand(COMMAND_PLAYLISTDELETE, PERMISSION_CONTROL, 2, 2, handlePlaylistDelete, NULL);
- addCommand(COMMAND_TAGTYPES, PERMISSION_READ, 0, 0, handleTagTypes, NULL);
- addCommand(COMMAND_COUNT, PERMISSION_READ, 2, -1, handleCount, NULL);
- addCommand(COMMAND_RENAME, PERMISSION_CONTROL, 2, 2, handleRename, NULL);
+ /* addCommand(name, permission, min, max, handler); */
+ addCommand(COMMAND_PLAY, PERMISSION_CONTROL, 0, 1, handlePlay);
+ addCommand(COMMAND_PLAYID, PERMISSION_CONTROL, 0, 1, handlePlayId);
+ addCommand(COMMAND_STOP, PERMISSION_CONTROL, 0, 0, handleStop);
+ addCommand(COMMAND_CURRENTSONG, PERMISSION_READ, 0, 0, handleCurrentSong);
+ addCommand(COMMAND_PAUSE, PERMISSION_CONTROL, 0, 1, handlePause);
+ addCommand(COMMAND_STATUS, PERMISSION_READ, 0, 0, commandStatus);
+ addCommand(COMMAND_KILL, PERMISSION_ADMIN, -1, -1, handleKill);
+ addCommand(COMMAND_CLOSE, PERMISSION_NONE, -1, -1, handleClose);
+ addCommand(COMMAND_ADD, PERMISSION_ADD, 1, 1, handleAdd);
+ addCommand(COMMAND_ADDID, PERMISSION_ADD, 1, 2, handleAddId);
+ addCommand(COMMAND_DELETE, PERMISSION_CONTROL, 1, 1, handleDelete);
+ addCommand(COMMAND_DELETEID, PERMISSION_CONTROL, 1, 1, handleDeleteId);
+ addCommand(COMMAND_PLAYLIST, PERMISSION_READ, 0, 0, handlePlaylist);
+ addCommand(COMMAND_PLAYLISTID, PERMISSION_READ, 0, 1, handlePlaylistId);
+ addCommand(COMMAND_SHUFFLE, PERMISSION_CONTROL, 0, 0, handleShuffle);
+ addCommand(COMMAND_CLEAR, PERMISSION_CONTROL, 0, 0, handleClear);
+ addCommand(COMMAND_SAVE, PERMISSION_CONTROL, 1, 1, handleSave);
+ addCommand(COMMAND_LOAD, PERMISSION_ADD, 1, 1, handleLoad);
+ addCommand(COMMAND_LISTPLAYLIST, PERMISSION_READ, 1, 1, handleListPlaylist);
+ addCommand(COMMAND_LISTPLAYLISTINFO, PERMISSION_READ, 1, 1, handleListPlaylistInfo);
+ addCommand(COMMAND_LSINFO, PERMISSION_READ, 0, 1, handleLsInfo);
+ addCommand(COMMAND_RM, PERMISSION_CONTROL, 1, 1, handleRm);
+ addCommand(COMMAND_PLAYLISTINFO, PERMISSION_READ, 0, 1, handlePlaylistInfo);
+ addCommand(COMMAND_FIND, PERMISSION_READ, 2, -1, handleFind);
+ addCommand(COMMAND_SEARCH, PERMISSION_READ, 2, -1, handleSearch);
+ addCommand(COMMAND_UPDATE, PERMISSION_ADMIN, 0, 1, handleUpdate);
+ addCommand(COMMAND_NEXT, PERMISSION_CONTROL, 0, 0, handleNext);
+ addCommand(COMMAND_PREVIOUS, PERMISSION_CONTROL, 0, 0, handlePrevious);
+ addCommand(COMMAND_LISTALL, PERMISSION_READ, 0, 1, handleListAll);
+ addCommand(COMMAND_VOLUME, PERMISSION_CONTROL, 1, 1, handleVolume);
+ addCommand(COMMAND_REPEAT, PERMISSION_CONTROL, 1, 1, handleRepeat);
+ addCommand(COMMAND_RANDOM, PERMISSION_CONTROL, 1, 1, handleRandom);
+ addCommand(COMMAND_STATS, PERMISSION_READ, 0, 0, handleStats);
+ addCommand(COMMAND_CLEAR_ERROR, PERMISSION_CONTROL, 0, 0, handleClearError);
+ addCommand(COMMAND_LIST, PERMISSION_READ, 1, -1, handleList);
+ addCommand(COMMAND_MOVE, PERMISSION_CONTROL, 2, 2, handleMove);
+ addCommand(COMMAND_MOVEID, PERMISSION_CONTROL, 2, 2, handleMoveId);
+ addCommand(COMMAND_SWAP, PERMISSION_CONTROL, 2, 2, handleSwap);
+ addCommand(COMMAND_SWAPID, PERMISSION_CONTROL, 2, 2, handleSwapId);
+ addCommand(COMMAND_SEEK, PERMISSION_CONTROL, 2, 2, handleSeek);
+ addCommand(COMMAND_SEEKID, PERMISSION_CONTROL, 2, 2, handleSeekId);
+ addCommand(COMMAND_LISTALLINFO, PERMISSION_READ, 0, 1, handleListAllInfo);
+ addCommand(COMMAND_PING, PERMISSION_NONE, 0, 0, handlePing);
+ addCommand(COMMAND_SETVOL, PERMISSION_CONTROL, 1, 1, handleSetVol);
+ addCommand(COMMAND_PASSWORD, PERMISSION_NONE, 1, 1, handlePassword);
+ addCommand(COMMAND_CROSSFADE, PERMISSION_CONTROL, 1, 1, handleCrossfade);
+ addCommand(COMMAND_URL_HANDLERS, PERMISSION_READ, 0, 0, handleUrlHandlers);
+ addCommand(COMMAND_PLCHANGES, PERMISSION_READ, 1, 1, handlePlaylistChanges);
+ addCommand(COMMAND_PLCHANGESPOSID, PERMISSION_READ, 1, 1, handlePlaylistChangesPosId);
+ addCommand(COMMAND_ENABLE_DEV, PERMISSION_ADMIN, 1, 1, handleEnableDevice);
+ addCommand(COMMAND_DISABLE_DEV, PERMISSION_ADMIN, 1, 1, handleDisableDevice);
+ addCommand(COMMAND_DEVICES, PERMISSION_READ, 0, 0, handleDevices);
+ addCommand(COMMAND_COMMANDS, PERMISSION_NONE, 0, 0, handleCommands);
+ addCommand(COMMAND_NOTCOMMANDS, PERMISSION_NONE, 0, 0, handleNotcommands);
+ addCommand(COMMAND_PLAYLISTCLEAR, PERMISSION_CONTROL, 1, 1, handlePlaylistClear);
+ addCommand(COMMAND_PLAYLISTADD, PERMISSION_CONTROL, 2, 2, handlePlaylistAdd);
+ addCommand(COMMAND_PLAYLISTFIND, PERMISSION_READ, 2, -1, handlePlaylistFind);
+ addCommand(COMMAND_PLAYLISTSEARCH, PERMISSION_READ, 2, -1, handlePlaylistSearch);
+ addCommand(COMMAND_PLAYLISTMOVE, PERMISSION_CONTROL, 3, 3, handlePlaylistMove);
+ addCommand(COMMAND_PLAYLISTDELETE, PERMISSION_CONTROL, 2, 2, handlePlaylistDelete);
+ addCommand(COMMAND_TAGTYPES, PERMISSION_READ, 0, 0, handleTagTypes);
+ addCommand(COMMAND_COUNT, PERMISSION_READ, 2, -1, handleCount);
+ addCommand(COMMAND_RENAME, PERMISSION_CONTROL, 2, 2, handleRename);
sortList(commandList);
}
@@ -1411,12 +1394,8 @@ static int processCommandInternal(struct client *client,
if ((cmd = getCommandEntryAndCheckArgcAndPermission(client,
client_get_permission(client),
argc, argv))) {
- if (!cmdnode || !cmd->listHandler) {
+ if (!cmdnode)
ret = cmd->handler(client, argc, argv);
- } else {
- ret = cmd->listHandler(client, argc, argv,
- cmdnode, cmd);
- }
}
current_command = NULL;