diff options
Diffstat (limited to 'src/InotifySource.cxx')
-rw-r--r-- | src/InotifySource.cxx | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/src/InotifySource.cxx b/src/InotifySource.cxx deleted file mode 100644 index ccf5d3e14..000000000 --- a/src/InotifySource.cxx +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (C) 2003-2013 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 "InotifySource.hxx" -#include "InotifyDomain.hxx" -#include "util/Error.hxx" -#include "system/fd_util.h" -#include "system/FatalError.hxx" -#include "Log.hxx" - -#include <sys/inotify.h> -#include <unistd.h> -#include <errno.h> - -bool -InotifySource::OnSocketReady(gcc_unused unsigned flags) -{ - const auto dest = buffer.Write(); - if (dest.IsEmpty()) - FatalError("buffer full"); - - ssize_t nbytes = read(Get(), dest.data, dest.size); - if (nbytes < 0) - FatalSystemError("Failed to read from inotify"); - if (nbytes == 0) - FatalError("end of file from inotify"); - - buffer.Append(nbytes); - - while (true) { - const char *name; - - auto range = buffer.Read(); - const struct inotify_event *event = - (const struct inotify_event *) - range.data; - if (range.size < sizeof(*event) || - range.size < sizeof(*event) + event->len) - break; - - if (event->len > 0 && event->name[event->len - 1] == 0) - name = event->name; - else - name = nullptr; - - callback(event->wd, event->mask, name, callback_ctx); - buffer.Consume(sizeof(*event) + event->len); - } - - return true; -} - -inline -InotifySource::InotifySource(EventLoop &_loop, - mpd_inotify_callback_t _callback, void *_ctx, - int _fd) - :SocketMonitor(_fd, _loop), - callback(_callback), callback_ctx(_ctx) -{ - ScheduleRead(); - -} - -InotifySource * -InotifySource::Create(EventLoop &loop, - mpd_inotify_callback_t callback, void *callback_ctx, - Error &error) -{ - int fd = inotify_init_cloexec(); - if (fd < 0) { - error.SetErrno("inotify_init() has failed"); - return nullptr; - } - - return new InotifySource(loop, callback, callback_ctx, fd); -} - -int -InotifySource::Add(const char *path_fs, unsigned mask, Error &error) -{ - int wd = inotify_add_watch(Get(), path_fs, mask); - if (wd < 0) - error.SetErrno("inotify_add_watch() has failed"); - - return wd; -} - -void -InotifySource::Remove(unsigned wd) -{ - int ret = inotify_rm_watch(Get(), wd); - if (ret < 0 && errno != EINVAL) - LogErrno(inotify_domain, "inotify_rm_watch() has failed"); - - /* EINVAL may happen here when the file has been deleted; the - kernel seems to auto-unregister deleted files */ -} |