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* directory: update do its work inside a threadEric Wong2008-09-231-1/+1
| | | | | | | | | A lot of the preparation was needed (and done in previous months) in making update thread-safe, but here it is. This was the first thing I made work inside a thread when I started mpd-uclinux many years ago, and also the last thing I've done in mainline mpd to work inside a thread, go figure.
* start using prefixcmp()Eric Wong2008-09-231-1/+1
| | | | | LOC reduction and less noise makes things easier for tired old folks to follow.
* output: static audio_output_plugin list as arrayMax Kellermann2008-09-081-1/+0
| | | | | | Instead of having to register each output plugin, store them statically in an array. This eliminates the need for the List library here, and saves some small allocations during startup.
* tag: renamed functions, no CamelCaseMax Kellermann2008-08-291-1/+1
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* client: renamed all public functionsMax Kellermann2008-08-281-4/+4
| | | | | | Functions which operate on the whole client list are prefixed with "client_manager_", and functions which handle just one client just get "client_".
* renamed interface.c to client.cMax Kellermann2008-08-281-1/+1
| | | | | | | I don't believe "interface" is a good name for something like "connection by a client to MPD", let's call it "client". This is the first patch in the series which changes the name, beginning with the file name.
* include cleanupMax Kellermann2008-08-281-1/+0
| | | | Only include headers which are really needed.
* moved code to pc_init(), dc_init()Max Kellermann2008-08-261-0/+6
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* renamed player.c to player_control.cMax Kellermann2008-08-261-1/+1
| | | | | Give player.c a better name, meaning that the code is used to control the player thread.
* renamed decoderInit() to decoder_thread_start()Max Kellermann2008-08-261-1/+1
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* renamed decode.c to decoder_thread.cMax Kellermann2008-08-261-1/+1
| | | | | | It should be obvious in which thread or context a function is being executed at runtime. The code which was left in decode.c is for the decoder thread itself; give the file a better name.
* moved global variable "pc" to player.hMax Kellermann2008-08-261-0/+1
| | | | | This is the last of the three variables. Now we don't need playerData.h anymore in most sources.
* moved variable "dc" to decode.hMax Kellermann2008-08-261-0/+1
| | | | | Now that "dc" is available here, we don't have to pass it to decoder_is_idle() and decoder_is_starting() anymore.
* moved code to player_thread.cMax Kellermann2008-08-261-2/+2
| | | | | Move code which runs in the player thread to player_thread.c. Having a lot of player thread code in decode.c isn't easy to understand.
* renamed functions in decoder_list.hMax Kellermann2008-08-261-4/+4
| | | | InputPlugin to decoder_plugin, and no camelCase.
* renamed inputPlugin.* to decoder_list.*Max Kellermann2008-08-261-1/+1
| | | | | Since inputPlugin.c manages the list of registered decoders, we should rename the source file.
* enable -Wpointer-arith, -Wstrict-prototypesMax Kellermann2008-08-261-2/+2
| | | | | | Also enable -Wunused-parameter - this forces us to add the gcc "unused" attribute to a lot of parameters (mostly library callback functions), but it's worth it during code refactorizations.
* remove audioDeviceStates from playerData and getPlayerDataEric Wong2008-06-021-1/+0
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7372 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Stop passing our single DecoderControl object everywhereEric Wong2008-04-131-1/+1
| | | | | | | This at least makes the argument list to a lot of our plugin functions shorter and removes a good amount of line nois^W^Wcode, hopefully making things easier to read and follow. git-svn-id: https://svn.musicpd.org/mpd/trunk@7353 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Get rid of PlayerControl inside the PlayerData structEric Wong2008-04-131-1/+1
| | | | | | | | | | | | It actually increases our image size a small bit and may even hurt performance a very small bit, but makes the code less verbose and easier to manage. I don't see a reason for mpd to ever support playing multiple files at the same time (users can run multiple instances of mpd if they really want to play Zaireeka, but that's such an edge case it's not worth ever supporting in our code). git-svn-id: https://svn.musicpd.org/mpd/trunk@7352 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix the problem of songs not advancing without client activityEric Wong2008-04-121-16/+2
| | | | | | | | | | | | | The select() in the main event loop blocks now (saving us many unnecessary wakeups). This interacted badly with the threads that were trying to wakeup the main task via pthread_cond_signal() since the main task was not blocked on a condition variable, but on select(). So now if we detect a need to wakeup the player, we write to a pipe which select() is watching instead of blindly calling pthread_cond_signal(). git-svn-id: https://svn.musicpd.org/mpd/trunk@7347 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* pass dc to decoder_task()Max Kellermann2008-04-121-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7323 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* pass pc to player_task()Max Kellermann2008-04-121-1/+1
| | | | | Another global variable cleanup patch. git-svn-id: https://svn.musicpd.org/mpd/trunk@7321 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* use the notify API in the main threadMax Kellermann2008-04-121-0/+16
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7283 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Initial cut of fork() => pthreads() for decoder and playerEric Wong2008-04-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I initially started to do a heavy rewrite that changed the way processes communicated, but that was too much to do at once. So this change only focuses on replacing the player and decode processes with threads and using condition variables instead of polling in loops; so the changeset itself is quiet small. * The shared output buffer variables will still need locking to guard against race conditions. So in this effect, we're probably just as buggy as before. The reduced context-switching overhead of using threads instead of processes may even make bugs show up more or less often... * Basic functionality appears to be working for playing local (and NFS) audio, including: play, pause, stop, seek, previous, next, and main playlist editing * I haven't tested HTTP streams yet, they should work. * I've only tested ALSA and Icecast. ALSA works fine, Icecast metadata seems to get screwy at times and breaks song advancement in the playlist at times. * state file loading works, too (after some last-minute hacks with non-blocking wakeup functions) * The non-blocking (*_nb) variants of the task management functions are probably overused. They're more lenient and easier to use because much of our code is still based on our previous polling-based system. * It currently segfaults on exit. I haven't paid much attention to the exit/signal-handling routines other than ensuring it compiles. At least the state file seems to work. We don't do any cleanups of the threads on exit, yet. * Update is still done in a child process and not in a thread. To do this in a thread, we'll need to ensure it does proper locking and communication with the main thread; but should require less memory in the end because we'll be updating the database "in-place" rather than updating a copy and then bulk-loading when done. * We're more sensitive to bugs in 3rd party libraries now. My plan is to eventually use a master process which forks() and restarts the child when it dies: locking and communication with the main thread; but should require less memory in the end because we'll be updating the database "in-place" rather than updating a copy and then bulk-loading when done. * We're more sensitive to bugs in 3rd party libraries now. My plan is to eventually use a master process which forks() and restarts the child when it dies: master - just does waitpid() + fork() in a loop \- main thread \- decoder thread \- player thread At the beginning of every song, the main thread will set a dirty flag and update the state file. This way, if we encounter a song that triggers a segfault killing the main thread, the master will start the replacement main on the next song. * The main thread still wakes up every second on select() to check for signals; which affects power management. [merged r7138 from branches/ew] git-svn-id: https://svn.musicpd.org/mpd/trunk@7240 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* moved handlePendingSignals() check into while() conditionMax Kellermann2008-03-261-3/+2
| | | | | | For code unification: for me, it looks ugly to do a break in the command in a while() block. This belongs into the while condition. git-svn-id: https://svn.musicpd.org/mpd/trunk@7193 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Cleanup #includes of standard system headers and put them in one placeEric Wong2008-01-031-14/+1
| | | | | | | | | | | | | This will make refactoring features easier, especially now that pthreads support and larger refactorings are on the horizon. Hopefully, this will make porting to other platforms (even non-UNIX-like ones for masochists) easier, too. os_compat.h will house all the #includes for system headers considered to be the "core" of MPD. Headers for optional features will be left to individual source files. git-svn-id: https://svn.musicpd.org/mpd/trunk@7130 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Merge branches/ew r7104Eric Wong2007-12-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | thread-safety work in preparation for rewrite to use pthreads Expect no regressions against trunk (r7078), possibly minor performance improvements in update (due to fewer heap allocations), but increased stack usage. Applied the following patches: * maxpath_str for reentrancy (temporary fix, reverted) * path: start working on thread-safe variants of these methods * Re-entrancy work on path/character-set conversions * directory.c: exploreDirectory() use reentrant functions here * directory/update: more use of reentrant functions + cleanups * string_toupper: a strdup-less version of strDupToUpper * get_song_url: a static-variable-free version of getSongUrl() * Use reentrant/thread-safe get_song_url everywhere * replace rmp2amp with the reentrant version, rmp2amp_r * Get rid of the non-reentrant/non-thread-safe rpp2app, too. * buffer2array: assert strdup() returns a usable value in unit tests * replace utf8ToFsCharset and fsCharsetToUtf8 with thread-safe variants * fix storing playlists w/o absolute paths * parent_path(), a reentrant version of parentPath() * parentPath => parent_path for reentrancy and thread-safety * allow "make test" to automatically run embedded unit tests * remove convStrDup() and maxpath_str() * use MPD_PATH_MAX everywhere instead of MAXPATHLEN * path: get rid of appendSlash, pfx_path and just use pfx_dir * get_song_url: fix the ability to play songs in the top-level music_directory git-svn-id: https://svn.musicpd.org/mpd/trunk@7106 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Don't initialize zeroconf until after we've daemonized and log output hasJ. Alexander Treuman2007-06-041-3/+2
| | | | | | been redirected. This prevents zeroconf from blocking daemonization, and makes sure any errors get sent to the logs and not stdout. git-svn-id: https://svn.musicpd.org/mpd/trunk@6477 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Changing all calls to ERROR() followed by exit(EXIT_FAILURE) with a singleJ. Alexander Treuman2007-05-261-29/+15
| | | | | call to FATAL(). git-svn-id: https://svn.musicpd.org/mpd/trunk@6276 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Removing references to options.updateDB in main.c.J. Alexander Treuman2007-04-251-9/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5944 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* The massive copyright updateAvuton Olrich2007-04-051-2/+2
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5834 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Reverting all of my localization changes. It was a horribleJ. Alexander Treuman2007-02-181-3/+0
| | | | | | implementation, and fixing it is a big enough job that I don't know when I'll get around to it. Probably best just starting from scratch anyhow. git-svn-id: https://svn.musicpd.org/mpd/trunk@5373 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Call initLocalization() earlier so that errors, --version, etc. outputJ. Alexander Treuman2007-01-171-1/+1
| | | | | correctly. git-svn-id: https://svn.musicpd.org/mpd/trunk@5264 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Added zeroconf service publishing using avahiJim Ramsay2007-01-111-0/+3
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5238 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Convert log messages sent to stdout to the current locale's charset.J. Alexander Treuman2007-01-081-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5227 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Moving localization stuff from path.c to localization.c so we can reuse itJ. Alexander Treuman2007-01-081-0/+3
| | | | | for log messages when outputting to console. git-svn-id: https://svn.musicpd.org/mpd/trunk@5225 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Replace strdup and {c,re,m}alloc with x* variants to check for OOM errorsEric Wong2006-08-261-1/+1
| | | | | | | | | | | | | | | | | | | I'm checking for zero-size allocations and assert()-ing them, so we can more easily get backtraces and debug problems, but we'll also allow -DNDEBUG people to live on the edge if they wish. We do not rely on errno when checking for OOM errors because some implementations of malloc do not set it, and malloc is commonly overridden by userspace wrappers. I've spent some time looking through the source and didn't find any obvious places where we would explicitly allocate 0 bytes, so we shouldn't trip any of those assertions. We also avoid allocating zero bytes because C libraries don't handle this consistently (some return NULL, some not); and it's dangerous either way. git-svn-id: https://svn.musicpd.org/mpd/trunk@4690 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Several bugfixes during exit found by valgrindEric Wong2006-08-141-2/+2
| | | | | | | | | | | | | | | | | First, make sure we call finishPlaylist() before closeMp3Directory() since the latter will free non-SONG_TYPE_URL songs in playlist, which causes an invalid read when we try to look for SONG_TYPE_URL songs to free in finishPlaylist. Secondly, make sure our children have all exited before freeing the playerData. If we do not, slowly-delivered signals can trigger a race condition in the signal handlers of the decode and player processes which rely on getPlayerData. To avoid waitpid-ing too long (or at all), move the freePlayerData() call farther down in main() (this won't affect anything else) to give the OS a better chance to deliver signals and finish running sig handlers for terminated children. git-svn-id: https://svn.musicpd.org/mpd/trunk@4640 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* sparse / gcc-2.95 / -pedantic fixesEric Wong2006-08-071-1/+2
| | | | | Not everybody has access to the latest and greatest compilers. git-svn-id: https://svn.musicpd.org/mpd/trunk@4595 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* merge changes from mpd-tree:Warren Dukes2006-08-061-70/+19
| | | | | | -use tree for tagTracker -eliminate the master process git-svn-id: https://svn.musicpd.org/mpd/trunk@4571 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* main.c: initialize the verbose flag correctlyEric Wong2006-08-031-0/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@4533 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* logging cleanupsEric Wong2006-08-011-75/+7
| | | | | | | | | | | | | | * Moved all logging-related stuff into log.c (and not myfprintf.c) * ISO C90-compliant strftime usage: %e and %R replaced with %d and %H:%M respectively * Got rid of variadic macros since some old-school compilers don't like them * compiling with -DNDEBUG disables the DEBUG() macro git-svn-id: https://svn.musicpd.org/mpd/trunk@4512 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Standardize state_file handling routines.Eric Wong2006-07-301-4/+3
| | | | | This way it's easier to manage and extend. git-svn-id: https://svn.musicpd.org/mpd/trunk@4494 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* remove deprecated myfprintf wrapperEric Wong2006-07-301-4/+4
| | | | | | | This shaves another 5-6k because we've removed the paranoid fflush() calls after every fprintf. Now we only fflush() when we need to git-svn-id: https://svn.musicpd.org/mpd/trunk@4493 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Use AudioCompress for volume normalizationJ. Alexander Treuman2006-07-271-0/+3
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@4474 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Open the db file before daemonizing/creating the master process, so we can ↵J. Alexander Treuman2006-07-241-2/+1
| | | | | handle failures gracefully git-svn-id: https://svn.musicpd.org/mpd/trunk@4454 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Initialize more stuff before daemonizing so we exit properly on fatal errorsJ. Alexander Treuman2006-07-211-4/+5
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@4421 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Rolling back change to when we redirect to logs. Turns out it silenced ↵J. Alexander Treuman2006-07-201-5/+1
| | | | | fatal audio_output errors. git-svn-id: https://svn.musicpd.org/mpd/trunk@4415 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Add mpd-indent.shAvuton Olrich2006-07-201-1/+1
| | | | | | Add a few new options for indent to try to make things a bit cleaner git-svn-id: https://svn.musicpd.org/mpd/trunk@4411 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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