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-rw-r--r--trunk/avahi-glib/glib-watch.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/trunk/avahi-glib/glib-watch.c b/trunk/avahi-glib/glib-watch.c
deleted file mode 100644
index f0fd934..0000000
--- a/trunk/avahi-glib/glib-watch.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of avahi.
-
- avahi 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.
-
- avahi 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 Lesser General
- Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with avahi; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <avahi-common/llist.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/timeval.h>
-
-#include "glib-watch.h"
-
-struct AvahiWatch {
- AvahiGLibPoll *glib_poll;
- int dead;
-
- GPollFD pollfd;
- int pollfd_added;
-
- AvahiWatchCallback callback;
- void *userdata;
-
- AVAHI_LLIST_FIELDS(AvahiWatch, watches);
-};
-
-struct AvahiTimeout {
- AvahiGLibPoll *glib_poll;
- gboolean dead;
-
- gboolean enabled;
- struct timeval expiry;
-
- AvahiTimeoutCallback callback;
- void *userdata;
-
- AVAHI_LLIST_FIELDS(AvahiTimeout, timeouts);
-};
-
-struct AvahiGLibPoll {
- GSource source;
- AvahiPoll api;
- GMainContext *context;
-
- gboolean timeout_req_cleanup;
- gboolean watch_req_cleanup;
-
- AVAHI_LLIST_HEAD(AvahiWatch, watches);
- AVAHI_LLIST_HEAD(AvahiTimeout, timeouts);
-};
-
-static void destroy_watch(AvahiWatch *w) {
- assert(w);
-
- if (w->pollfd_added)
- g_source_remove_poll(&w->glib_poll->source, &w->pollfd);
-
- AVAHI_LLIST_REMOVE(AvahiWatch, watches, w->glib_poll->watches, w);
-
- avahi_free(w);
-}
-
-static void cleanup_watches(AvahiGLibPoll *g, int all) {
- AvahiWatch *w, *next;
- assert(g);
-
- for (w = g->watches; w; w = next) {
- next = w->watches_next;
-
- if (all || w->dead)
- destroy_watch(w);
- }
-
- g->watch_req_cleanup = 0;
-}
-
-static gushort map_events_to_glib(AvahiWatchEvent events) {
- return
- (events & AVAHI_WATCH_IN ? G_IO_IN : 0) |
- (events & AVAHI_WATCH_OUT ? G_IO_OUT : 0) |
- (events & AVAHI_WATCH_ERR ? G_IO_ERR : 0) |
- (events & AVAHI_WATCH_HUP ? G_IO_HUP : 0);
-}
-
-static AvahiWatchEvent map_events_from_glib(gushort events) {
- return
- (events & G_IO_IN ? AVAHI_WATCH_IN : 0) |
- (events & G_IO_OUT ? AVAHI_WATCH_OUT : 0) |
- (events & G_IO_ERR ? AVAHI_WATCH_ERR : 0) |
- (events & G_IO_HUP ? AVAHI_WATCH_HUP : 0);
-}
-
-static AvahiWatch* watch_new(const AvahiPoll *api, int fd, AvahiWatchEvent events, AvahiWatchCallback callback, void *userdata) {
- AvahiWatch *w;
- AvahiGLibPoll *g;
-
- assert(api);
- assert(fd >= 0);
- assert(callback);
-
- g = api->userdata;
- assert(g);
-
- if (!(w = avahi_new(AvahiWatch, 1)))
- return NULL;
-
- w->glib_poll = g;
- w->pollfd.fd = fd;
- w->pollfd.events = map_events_to_glib(events);
- w->pollfd.revents = 0;
- w->callback = callback;
- w->userdata = userdata;
- w->dead = FALSE;
-
- g_source_add_poll(&g->source, &w->pollfd);
- w->pollfd_added = TRUE;
-
- AVAHI_LLIST_PREPEND(AvahiWatch, watches, g->watches, w);
-
- return w;
-}
-
-static void watch_update(AvahiWatch *w, AvahiWatchEvent events) {
- assert(w);
- assert(!w->dead);
-
- w->pollfd.events = map_events_to_glib(events);
-}
-
-static AvahiWatchEvent watch_get_events(AvahiWatch *w) {
- assert(w);
- assert(!w->dead);
-
- return map_events_from_glib(w->pollfd.revents);
-}
-
-static void watch_free(AvahiWatch *w) {
- assert(w);
- assert(!w->dead);
-
- if (w->pollfd_added) {
- g_source_remove_poll(&w->glib_poll->source, &w->pollfd);
- w->pollfd_added = FALSE;
- }
-
- w->dead = TRUE;
- w->glib_poll->timeout_req_cleanup = TRUE;
-}
-
-static AvahiTimeout* timeout_new(const AvahiPoll *api, const struct timeval *tv, AvahiTimeoutCallback callback, void *userdata) {
- AvahiTimeout *t;
- AvahiGLibPoll *g;
-
- assert(api);
- assert(callback);
-
- g = api->userdata;
- assert(g);
-
- if (!(t = avahi_new(AvahiTimeout, 1)))
- return NULL;
-
- t->glib_poll = g;
- t->dead = FALSE;
-
- if ((t->enabled = !!tv))
- t->expiry = *tv;
-
- t->callback = callback;
- t->userdata = userdata;
-
- AVAHI_LLIST_PREPEND(AvahiTimeout, timeouts, g->timeouts, t);
-
- return t;
-}
-
-static void timeout_update(AvahiTimeout *t, const struct timeval *tv) {
- assert(t);
- assert(!t->dead);
-
- if ((t->enabled = !!tv))
- t->expiry = *tv;
-}
-
-static void timeout_free(AvahiTimeout *t) {
- assert(t);
- assert(!t->dead);
-
- t->dead = TRUE;
- t->glib_poll->timeout_req_cleanup = TRUE;
-}
-
-static void destroy_timeout(AvahiTimeout *t) {
- assert(t);
-
- AVAHI_LLIST_REMOVE(AvahiTimeout, timeouts, t->glib_poll->timeouts, t);
- avahi_free(t);
-}
-
-static void cleanup_timeouts(AvahiGLibPoll *g, int all) {
- AvahiTimeout *t, *next;
- assert(g);
-
- for (t = g->timeouts; t; t = next) {
- next = t->timeouts_next;
-
- if (all || t->dead)
- destroy_timeout(t);
- }
-
- g->timeout_req_cleanup = FALSE;
-}
-
-static AvahiTimeout* find_next_timeout(AvahiGLibPoll *g) {
- AvahiTimeout *t, *n = NULL;
- assert(g);
-
- for (t = g->timeouts; t; t = t->timeouts_next) {
-
- if (t->dead || !t->enabled)
- continue;
-
- if (!n || avahi_timeval_compare(&t->expiry, &n->expiry) < 0)
- n = t;
- }
-
- return n;
-}
-
-static void start_timeout_callback(AvahiTimeout *t) {
- assert(t);
- assert(!t->dead);
- assert(t->enabled);
-
- t->enabled = 0;
- t->callback(t, t->userdata);
-}
-
-static gboolean prepare_func(GSource *source, gint *timeout) {
- AvahiGLibPoll *g = (AvahiGLibPoll*) source;
- AvahiTimeout *next_timeout;
-
- g_assert(g);
- g_assert(timeout);
-
- if (g->watch_req_cleanup)
- cleanup_watches(g, 0);
-
- if (g->timeout_req_cleanup)
- cleanup_timeouts(g, 0);
-
- if ((next_timeout = find_next_timeout(g))) {
- GTimeVal now;
- struct timeval tvnow;
- AvahiUsec usec;
-
- g_source_get_current_time(source, &now);
- tvnow.tv_sec = now.tv_sec;
- tvnow.tv_usec = now.tv_usec;
-
- usec = avahi_timeval_diff(&next_timeout->expiry, &tvnow);
-
- if (usec <= 0) {
- *timeout = 0;
- return TRUE;
- }
-
- *timeout = (gint) (usec / 1000);
- } else
- *timeout = -1;
-
- return FALSE;
-}
-
-static gboolean check_func(GSource *source) {
- AvahiGLibPoll *g = (AvahiGLibPoll*) source;
- AvahiWatch *w;
- AvahiTimeout *next_timeout;
-
- g_assert(g);
-
- if ((next_timeout = find_next_timeout(g))) {
- GTimeVal now;
- struct timeval tvnow;
- g_source_get_current_time(source, &now);
- tvnow.tv_sec = now.tv_sec;
- tvnow.tv_usec = now.tv_usec;
-
- if (avahi_timeval_compare(&next_timeout->expiry, &tvnow) <= 0)
- return TRUE;
- }
-
- for (w = g->watches; w; w = w->watches_next)
- if (w->pollfd.revents > 0)
- return TRUE;
-
- return FALSE;
-}
-
-static gboolean dispatch_func(GSource *source, AVAHI_GCC_UNUSED GSourceFunc callback, AVAHI_GCC_UNUSED gpointer userdata) {
- AvahiGLibPoll* g = (AvahiGLibPoll*) source;
- AvahiWatch *w;
- AvahiTimeout *next_timeout;
-
- g_assert(g);
-
- if ((next_timeout = find_next_timeout(g))) {
- GTimeVal now;
- struct timeval tvnow;
- g_source_get_current_time(source, &now);
- tvnow.tv_sec = now.tv_sec;
- tvnow.tv_usec = now.tv_usec;
-
- if (avahi_timeval_compare(&next_timeout->expiry, &tvnow) < 0) {
- start_timeout_callback(next_timeout);
- return TRUE;
- }
- }
-
- for (w = g->watches; w; w = w->watches_next)
- if (w->pollfd.revents > 0) {
- assert(w->callback);
- w->callback(w, w->pollfd.fd, map_events_from_glib(w->pollfd.revents), w->userdata);
- w->pollfd.revents = 0;
- return TRUE;
- }
-
- return TRUE;
-}
-
-AvahiGLibPoll *avahi_glib_poll_new(GMainContext *context, gint priority) {
- AvahiGLibPoll *g;
-
- static GSourceFuncs source_funcs = {
- prepare_func,
- check_func,
- dispatch_func,
- NULL,
- NULL,
- NULL
- };
-
- g = (AvahiGLibPoll*) g_source_new(&source_funcs, sizeof(AvahiGLibPoll));
- g_main_context_ref(g->context = context ? context : g_main_context_default());
-
- g->api.userdata = g;
-
- g->api.watch_new = watch_new;
- g->api.watch_free = watch_free;
- g->api.watch_update = watch_update;
- g->api.watch_get_events = watch_get_events;
-
- g->api.timeout_new = timeout_new;
- g->api.timeout_free = timeout_free;
- g->api.timeout_update = timeout_update;
-
- g->watch_req_cleanup = FALSE;
- g->timeout_req_cleanup = FALSE;
-
- AVAHI_LLIST_HEAD_INIT(AvahiWatch, g->watches);
- AVAHI_LLIST_HEAD_INIT(AvahiTimeout, g->timeouts);
-
- g_source_attach(&g->source, g->context);
- g_source_set_priority(&g->source, priority);
- g_source_set_can_recurse(&g->source, FALSE);
-
- return g;
-}
-
-void avahi_glib_poll_free(AvahiGLibPoll *g) {
- GSource *s = &g->source;
- assert(g);
-
- cleanup_watches(g, 1);
- cleanup_timeouts(g, 1);
-
- g_main_context_unref(g->context);
- g_source_destroy(s);
- g_source_unref(s);
-}
-
-const AvahiPoll* avahi_glib_poll_get(AvahiGLibPoll *g) {
- assert(g);
-
- return &g->api;
-}
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