Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 193 insertions, 0 deletions

diff --git a/src/pulsecore/avahi-wrap.c b/src/pulsecore/avahi-wrap.c
new file mode 100644
index 0000000..dc586cb
--- /dev/null
+++ b/src/pulsecore/avahi-wrap.c
@@ -0,0 +1,193 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio 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 Lesser General Public
+  License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pulse/timeval.h>
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/macro.h>
+
+#include "avahi-wrap.h"
+
+typedef struct {
+    AvahiPoll api;
+    pa_mainloop_api *mainloop;
+} pa_avahi_poll;
+
+struct AvahiWatch {
+    pa_io_event *io_event;
+    pa_avahi_poll *avahi_poll;
+    AvahiWatchEvent current_event;
+    AvahiWatchCallback callback;
+    void *userdata;
+};
+
+static AvahiWatchEvent translate_io_flags_back(pa_io_event_flags_t e) {
+    return
+        (e & PA_IO_EVENT_INPUT ? AVAHI_WATCH_IN : 0) |
+        (e & PA_IO_EVENT_OUTPUT ? AVAHI_WATCH_OUT : 0) |
+        (e & PA_IO_EVENT_ERROR ? AVAHI_WATCH_ERR : 0) |
+        (e & PA_IO_EVENT_HANGUP ? AVAHI_WATCH_HUP : 0);
+}
+
+static pa_io_event_flags_t translate_io_flags(AvahiWatchEvent e) {
+    return
+        (e & AVAHI_WATCH_IN ? PA_IO_EVENT_INPUT : 0) |
+        (e & AVAHI_WATCH_OUT ? PA_IO_EVENT_OUTPUT : 0) |
+        (e & AVAHI_WATCH_ERR ? PA_IO_EVENT_ERROR : 0) |
+        (e & AVAHI_WATCH_HUP ? PA_IO_EVENT_HANGUP : 0);
+}
+
+static void watch_callback(pa_mainloop_api*a, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata) {
+    AvahiWatch *w = userdata;
+
+    pa_assert(a);
+    pa_assert(e);
+    pa_assert(w);
+
+    w->current_event = translate_io_flags_back(events);
+    w->callback(w, fd, w->current_event, w->userdata);
+    w->current_event = 0;
+}
+
+static AvahiWatch* watch_new(const AvahiPoll *api, int fd, AvahiWatchEvent event, AvahiWatchCallback callback, void *userdata) {
+    pa_avahi_poll *p;
+    AvahiWatch *w;
+
+    pa_assert(api);
+    pa_assert(fd >= 0);
+    pa_assert(callback);
+    pa_assert_se(p = api->userdata);
+
+    w = pa_xnew(AvahiWatch, 1);
+    w->avahi_poll = p;
+    w->current_event = 0;
+    w->callback = callback;
+    w->userdata = userdata;
+    w->io_event = p->mainloop->io_new(p->mainloop, fd, translate_io_flags(event), watch_callback, w);
+
+    return w;
+}
+
+static void watch_update(AvahiWatch *w, AvahiWatchEvent event) {
+    pa_assert(w);
+
+    w->avahi_poll->mainloop->io_enable(w->io_event, translate_io_flags(event));
+}
+
+static AvahiWatchEvent watch_get_events(AvahiWatch *w) {
+    pa_assert(w);
+
+    return w->current_event;
+}
+
+static void watch_free(AvahiWatch *w) {
+    pa_assert(w);
+
+    w->avahi_poll->mainloop->io_free(w->io_event);
+    pa_xfree(w);
+}
+
+struct AvahiTimeout {
+    pa_time_event *time_event;
+    pa_avahi_poll *avahi_poll;
+    AvahiTimeoutCallback callback;
+    void *userdata;
+};
+
+static void timeout_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
+    AvahiTimeout *to = userdata;
+
+    pa_assert(a);
+    pa_assert(e);
+
+    to->callback(to, to->userdata);
+}
+
+static AvahiTimeout* timeout_new(const AvahiPoll *api, const struct timeval *tv, AvahiTimeoutCallback callback, void *userdata) {
+    pa_avahi_poll *p;
+    AvahiTimeout *t;
+
+    pa_assert(api);
+    pa_assert(callback);
+    pa_assert_se(p = api->userdata);
+
+    t = pa_xnew(AvahiTimeout, 1);
+    t->avahi_poll = p;
+    t->callback = callback;
+    t->userdata = userdata;
+
+    t->time_event = tv ? p->mainloop->time_new(p->mainloop, tv, timeout_callback, t) : NULL;
+
+    return t;
+}
+
+static void timeout_update(AvahiTimeout *t, const struct timeval *tv) {
+
+    pa_assert(t);
+
+    if (t->time_event && tv)
+        t->avahi_poll->mainloop->time_restart(t->time_event, tv);
+    else if (!t->time_event && tv)
+        t->time_event = t->avahi_poll->mainloop->time_new(t->avahi_poll->mainloop, tv, timeout_callback, t);
+    else if (t->time_event && !tv) {
+        t->avahi_poll->mainloop->time_free(t->time_event);
+        t->time_event = NULL;
+    }
+}
+
+static void timeout_free(AvahiTimeout *t) {
+    pa_assert(t);
+
+    if (t->time_event)
+        t->avahi_poll->mainloop->time_free(t->time_event);
+    pa_xfree(t);
+}
+
+AvahiPoll* pa_avahi_poll_new(pa_mainloop_api *m) {
+    pa_avahi_poll *p;
+
+    pa_assert(m);
+
+    p = pa_xnew(pa_avahi_poll, 1);
+
+    p->api.userdata = p;
+    p->api.watch_new = watch_new;
+    p->api.watch_update = watch_update;
+    p->api.watch_get_events = watch_get_events;
+    p->api.watch_free = watch_free;
+    p->api.timeout_new = timeout_new;
+    p->api.timeout_update = timeout_update;
+    p->api.timeout_free = timeout_free;
+    p->mainloop = m;
+
+    return &p->api;
+}
+
+void pa_avahi_poll_free(AvahiPoll *api) {
+    pa_avahi_poll *p;
+    pa_assert(api);
+    pa_assert_se(p = api->userdata);
+
+    pa_xfree(p);
+}
+