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-rw-r--r--src/AvahiPoll.cxx147
-rw-r--r--src/AvahiPoll.hxx48
-rw-r--r--src/ZeroconfAvahi.cxx32
3 files changed, 202 insertions, 25 deletions
diff --git a/src/AvahiPoll.cxx b/src/AvahiPoll.cxx
new file mode 100644
index 000000000..f3e2f596c
--- /dev/null
+++ b/src/AvahiPoll.cxx
@@ -0,0 +1,147 @@
+/*
+ * 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 "AvahiPoll.hxx"
+#include "event/Loop.hxx"
+#include "event/SocketMonitor.hxx"
+#include "event/TimeoutMonitor.hxx"
+
+static unsigned
+FromAvahiWatchEvent(AvahiWatchEvent e)
+{
+ return (e & AVAHI_WATCH_IN ? SocketMonitor::READ : 0) |
+ (e & AVAHI_WATCH_OUT ? SocketMonitor::WRITE : 0) |
+ (e & AVAHI_WATCH_ERR ? SocketMonitor::ERROR : 0) |
+ (e & AVAHI_WATCH_HUP ? SocketMonitor::HANGUP : 0);
+}
+
+static AvahiWatchEvent
+ToAvahiWatchEvent(unsigned e)
+{
+ return AvahiWatchEvent((e & SocketMonitor::READ ? AVAHI_WATCH_IN : 0) |
+ (e & SocketMonitor::WRITE ? AVAHI_WATCH_OUT : 0) |
+ (e & SocketMonitor::ERROR ? AVAHI_WATCH_ERR : 0) |
+ (e & SocketMonitor::HANGUP ? AVAHI_WATCH_HUP : 0));
+}
+
+struct AvahiWatch final : private SocketMonitor {
+private:
+ const AvahiWatchCallback callback;
+ void *const userdata;
+
+ AvahiWatchEvent received;
+
+public:
+ AvahiWatch(int _fd, AvahiWatchEvent _event,
+ AvahiWatchCallback _callback, void *_userdata,
+ EventLoop &_loop)
+ :SocketMonitor(_fd, _loop),
+ callback(_callback), userdata(_userdata),
+ received(AvahiWatchEvent(0)) {
+ Schedule(FromAvahiWatchEvent(_event));
+ }
+
+ static void WatchUpdate(AvahiWatch *w, AvahiWatchEvent event) {
+ w->Schedule(FromAvahiWatchEvent(event));
+ }
+
+ static AvahiWatchEvent WatchGetEvents(AvahiWatch *w) {
+ return w->received;
+ }
+
+ static void WatchFree(AvahiWatch *w) {
+ delete w;
+ }
+
+protected:
+ virtual bool OnSocketReady(unsigned flags) {
+ received = ToAvahiWatchEvent(flags);
+ callback(this, Get(), received, userdata);
+ received = AvahiWatchEvent(0);
+ return true;
+ }
+};
+
+static constexpr unsigned
+TimevalToMS(const timeval &tv)
+{
+ return tv.tv_sec * 1000 + (tv.tv_usec + 500) / 1000;
+}
+
+struct AvahiTimeout final : private TimeoutMonitor {
+private:
+ const AvahiTimeoutCallback callback;
+ void *const userdata;
+
+public:
+ AvahiTimeout(const struct timeval *tv,
+ AvahiTimeoutCallback _callback, void *_userdata,
+ EventLoop &_loop)
+ :TimeoutMonitor(_loop),
+ callback(_callback), userdata(_userdata) {
+ if (tv != nullptr)
+ Schedule(TimevalToMS(*tv));
+ }
+
+ static void TimeoutUpdate(AvahiTimeout *t, const struct timeval *tv) {
+ if (tv != nullptr)
+ t->Schedule(TimevalToMS(*tv));
+ else
+ t->Cancel();
+ }
+
+ static void TimeoutFree(AvahiTimeout *t) {
+ delete t;
+ }
+
+protected:
+ virtual void OnTimeout() {
+ callback(this, userdata);
+ }
+};
+
+MyAvahiPoll::MyAvahiPoll(EventLoop &_loop):event_loop(_loop)
+{
+ watch_new = WatchNew;
+ watch_update = AvahiWatch::WatchUpdate;
+ watch_get_events = AvahiWatch::WatchGetEvents;
+ watch_free = AvahiWatch::WatchFree;
+ timeout_new = TimeoutNew;
+ timeout_update = AvahiTimeout::TimeoutUpdate;
+ timeout_free = AvahiTimeout::TimeoutFree;
+}
+
+AvahiWatch *
+MyAvahiPoll::WatchNew(const AvahiPoll *api, int fd, AvahiWatchEvent event,
+ AvahiWatchCallback callback, void *userdata) {
+ const MyAvahiPoll &poll = *(const MyAvahiPoll *)api;
+
+ return new AvahiWatch(fd, event, callback, userdata,
+ poll.event_loop);
+}
+
+AvahiTimeout *
+MyAvahiPoll::TimeoutNew(const AvahiPoll *api, const struct timeval *tv,
+ AvahiTimeoutCallback callback, void *userdata) {
+ const MyAvahiPoll &poll = *(const MyAvahiPoll *)api;
+
+ return new AvahiTimeout(tv, callback, userdata,
+ poll.event_loop);
+}
diff --git a/src/AvahiPoll.hxx b/src/AvahiPoll.hxx
new file mode 100644
index 000000000..850205c46
--- /dev/null
+++ b/src/AvahiPoll.hxx
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_AVAHI_POLL_HXX
+#define MPD_AVAHI_POLL_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <avahi-common/watch.h>
+
+class EventLoop;
+
+class MyAvahiPoll final : public AvahiPoll {
+ EventLoop &event_loop;
+
+public:
+ MyAvahiPoll(EventLoop &_loop);
+
+private:
+ static AvahiWatch *WatchNew(const AvahiPoll *api, int fd,
+ AvahiWatchEvent event,
+ AvahiWatchCallback callback,
+ void *userdata);
+
+ static AvahiTimeout *TimeoutNew(const AvahiPoll *api,
+ const struct timeval *tv,
+ AvahiTimeoutCallback callback,
+ void *userdata);
+};
+
+#endif
diff --git a/src/ZeroconfAvahi.cxx b/src/ZeroconfAvahi.cxx
index 9714b13b1..dfdc7d8ec 100644
--- a/src/ZeroconfAvahi.cxx
+++ b/src/ZeroconfAvahi.cxx
@@ -19,33 +19,29 @@
#include "config.h"
#include "ZeroconfAvahi.hxx"
+#include "AvahiPoll.hxx"
#include "ZeroconfInternal.hxx"
#include "Listen.hxx"
-#include "event/Loop.hxx"
#include "system/FatalError.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
-#include <glib.h>
-
#include <avahi-client/client.h>
#include <avahi-client/publish.h>
+#include <avahi-common/watch.h>
#include <avahi-common/alternative.h>
#include <avahi-common/domain.h>
#include <avahi-common/malloc.h>
#include <avahi-common/error.h>
-#include <avahi-glib/glib-watch.h>
+#include <stddef.h>
static constexpr Domain avahi_domain("avahi");
static char *avahiName;
static int avahiRunning;
-#ifndef USE_EPOLL
-static AvahiGLibPoll *avahi_glib_poll;
-#endif
-static const AvahiPoll *avahi_poll;
+static MyAvahiPoll *avahi_poll;
static AvahiClient *avahiClient;
static AvahiEntryGroup *avahiGroup;
@@ -246,15 +242,7 @@ AvahiInit(EventLoop &loop, const char *serviceName)
avahiRunning = 1;
-#ifdef USE_EPOLL
- // TODO
- (void)loop;
- if (1==1) return;
-#else
- avahi_glib_poll = avahi_glib_poll_new(loop.GetContext(),
- G_PRIORITY_DEFAULT);
- avahi_poll = avahi_glib_poll_get(avahi_glib_poll);
-#endif
+ avahi_poll = new MyAvahiPoll(loop);
int error;
avahiClient = avahi_client_new(avahi_poll, AVAHI_CLIENT_NO_FAIL,
@@ -282,14 +270,8 @@ AvahiDeinit(void)
avahiClient = NULL;
}
-#ifdef USE_EPOLL
- // TODO
-#else
- if (avahi_glib_poll != NULL) {
- avahi_glib_poll_free(avahi_glib_poll);
- avahi_glib_poll = NULL;
- }
-#endif
+ delete avahi_poll;
+ avahi_poll = nullptr;
avahi_free(avahiName);
avahiName = NULL;