summaryrefslogtreecommitdiffstats
path: root/cups-avahi-4-poll.patch
diff options
context:
space:
mode:
Diffstat (limited to 'cups-avahi-4-poll.patch')
-rw-r--r--cups-avahi-4-poll.patch529
1 files changed, 529 insertions, 0 deletions
diff --git a/cups-avahi-4-poll.patch b/cups-avahi-4-poll.patch
new file mode 100644
index 0000000..189e83d
--- /dev/null
+++ b/cups-avahi-4-poll.patch
@@ -0,0 +1,529 @@
+diff -up cups-1.5.0/scheduler/avahi.c.avahi-4-poll cups-1.5.0/scheduler/avahi.c
+--- cups-1.5.0/scheduler/avahi.c.avahi-4-poll 2011-10-11 10:56:50.102288037 +0100
++++ cups-1.5.0/scheduler/avahi.c 2011-10-11 10:56:50.102288037 +0100
+@@ -0,0 +1,441 @@
++/*
++ * "$Id$"
++ *
++ * Avahi poll implementation for the CUPS scheduler.
++ *
++ * Copyright (C) 2010, 2011 Red Hat, Inc.
++ * Authors:
++ * Tim Waugh <twaugh@redhat.com>
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ *
++ * Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ *
++ * Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
++ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
++ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
++ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
++ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
++ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
++ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
++ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
++ * OF THE POSSIBILITY OF SUCH DAMAGE.
++ *
++ * Contents:
++ *
++ * watch_read_cb - Read callback for file descriptor
++ * watch_write_cb - Write callback for file descriptor
++ * watched_fd_add_select() - Call cupsdAddSelect() as needed
++ * watch_new() - Create a new file descriptor watch
++ * watch_free() - Free a file descriptor watch
++ * watch_update() - Update watched events for a file descriptor
++ * watch_get_events() - Get events that happened for a file descriptor
++ * timeout_cb() - Run a timed Avahi callback
++ * timeout_new() - Set a wakeup time
++ * timeout_update() - Update the expiration time for a timeout
++ * timeout_free() - Free a timeout
++ * compare_watched_fds() - Compare watched file descriptors for array sorting
++ * avahi_cups_poll_new() - Create a new Avahi main loop object for CUPS
++ * avahi_cups_poll_free() - Free an Avahi main loop object for CUPS
++ * avahi_cups_poll_get() - Get the abstract poll API structure
++ */
++
++#include <config.h>
++
++#ifdef HAVE_AVAHI /* Applies to entire file... */
++
++/*
++ * Include necessary headers...
++ */
++
++#include "cupsd.h"
++
++#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
++# include <malloc.h>
++#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
++
++#ifdef HAVE_AVAHI
++# include <avahi-common/timeval.h>
++#endif /* HAVE_AVAHI */
++
++
++typedef struct
++{
++ AvahiCupsPoll *cups_poll;
++
++ int fd;
++ AvahiWatchEvent occurred;
++ cups_array_t *watches;
++} cupsd_watched_fd_t;
++
++struct AvahiWatch
++{
++ cupsd_watched_fd_t *watched_fd;
++
++ AvahiWatchEvent events;
++ AvahiWatchCallback callback;
++ void *userdata;
++};
++
++struct AvahiTimeout
++{
++ AvahiCupsPoll *cups_poll;
++ AvahiTimeoutCallback callback;
++ void *userdata;
++ cupsd_timeout_t *cupsd_timeout;
++};
++
++/*
++ * Local functions...
++ */
++
++static AvahiWatch * watch_new(const AvahiPoll *api,
++ int fd,
++ AvahiWatchEvent events,
++ AvahiWatchCallback callback,
++ void *userdata);
++static void watch_free(AvahiWatch *watch);
++static void watch_update(AvahiWatch *watch,
++ AvahiWatchEvent events);
++static AvahiWatchEvent watch_get_events(AvahiWatch *watch);
++
++
++/*
++ * 'watch_read_cb' - Read callback for file descriptor
++ */
++
++static void
++watch_read_cb (void *userdata)
++{
++ AvahiWatch *watch;
++ cupsd_watched_fd_t *watched_fd = userdata;
++ watched_fd->occurred |= AVAHI_WATCH_IN;
++ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
++ watch;
++ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches))
++ {
++ if (watch->events & watched_fd->occurred)
++ {
++ (watch->callback) (watch, watched_fd->fd,
++ AVAHI_WATCH_IN, watch->userdata);
++ watched_fd->occurred &= ~AVAHI_WATCH_IN;
++ break;
++ }
++ }
++}
++
++
++/*
++ * 'watch_write_cb' - Write callback for file descriptor
++ */
++
++static void
++watch_write_cb (void *userdata)
++{
++ AvahiWatch *watch;
++ cupsd_watched_fd_t *watched_fd = userdata;
++ watched_fd->occurred |= AVAHI_WATCH_OUT;
++ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
++ watch;
++ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches))
++ {
++ if (watch->events & watched_fd->occurred)
++ {
++ (watch->callback) (watch, watched_fd->fd,
++ AVAHI_WATCH_OUT, watch->userdata);
++ watched_fd->occurred &= ~AVAHI_WATCH_OUT;
++ break;
++ }
++ }
++}
++
++
++/*
++ * 'watched_fd_add_select' - Call cupsdAddSelect() as needed
++ */
++
++static int /* O - Watches? */
++watched_fd_add_select (cupsd_watched_fd_t *watched_fd)
++{
++ AvahiWatch *watch;
++ cupsd_selfunc_t read_cb = NULL, write_cb = NULL;
++ int any_watches = 0;
++
++ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
++ watch;
++ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches))
++ {
++ any_watches = 1;
++ if (watch->events & (AVAHI_WATCH_IN |
++ AVAHI_WATCH_ERR |
++ AVAHI_WATCH_HUP))
++ {
++ read_cb = (cupsd_selfunc_t)watch_read_cb;
++ if (write_cb != NULL)
++ break;
++ }
++
++ if (watch->events & AVAHI_WATCH_OUT)
++ {
++ write_cb = (cupsd_selfunc_t)watch_write_cb;
++ if (read_cb != NULL)
++ break;
++ }
++ }
++
++ if (read_cb || write_cb)
++ cupsdAddSelect (watched_fd->fd, read_cb, write_cb, watched_fd);
++ else
++ cupsdRemoveSelect (watched_fd->fd);
++
++ return (any_watches);
++}
++
++/*
++ * 'watch_new' - Create a new file descriptor watch
++ */
++
++static AvahiWatch *
++watch_new (const AvahiPoll *api,
++ int fd,
++ AvahiWatchEvent events,
++ AvahiWatchCallback callback,
++ void *userdata)
++{
++ cupsd_watched_fd_t key, *watched_fd;
++ AvahiCupsPoll *cups_poll = api->userdata;
++ AvahiWatch *watch = malloc(sizeof(AvahiWatch));
++ if (watch == NULL)
++ return (NULL);
++
++ watch->events = events;
++ watch->callback = callback;
++ watch->userdata = userdata;
++
++ key.fd = fd;
++ watched_fd = cupsArrayFind (cups_poll->watched_fds, &key);
++ if (watched_fd == NULL)
++ {
++ watched_fd = malloc(sizeof(cupsd_watched_fd_t));
++ if (watched_fd == NULL)
++ {
++ free (watch);
++ return (NULL);
++ }
++
++ watched_fd->fd = fd;
++ watched_fd->occurred = 0;
++ watched_fd->cups_poll = cups_poll;
++ watched_fd->watches = cupsArrayNew (NULL, NULL);
++ cupsArrayAdd (cups_poll->watched_fds, watched_fd);
++ }
++
++ watch->watched_fd = watched_fd;
++ cupsArrayAdd(watched_fd->watches, watch);
++ watched_fd_add_select (watched_fd);
++ return (watch);
++}
++
++
++/*
++ * 'watch_free' - Free a file descriptor watch
++ */
++
++static void
++watch_free (AvahiWatch *watch)
++{
++ cupsd_watched_fd_t *watched_fd = watch->watched_fd;
++ AvahiCupsPoll *cups_poll = watched_fd->cups_poll;
++
++ cupsArrayRemove (watched_fd->watches, watch);
++ free (watch);
++
++ if (!watched_fd_add_select (watched_fd))
++ {
++ /* No more watches */
++ cupsArrayRemove (cups_poll->watched_fds, watched_fd);
++ free (watched_fd);
++ }
++}
++
++
++/*
++ * 'watch_update' - Update watched events for a file descriptor
++ */
++
++static void
++watch_update (AvahiWatch *watch,
++ AvahiWatchEvent events)
++{
++ watch->events = events;
++ watched_fd_add_select (watch->watched_fd);
++}
++
++
++/*
++ * 'watch_get_events' - Get events that happened for a file descriptor
++ */
++
++static AvahiWatchEvent
++watch_get_events (AvahiWatch *watch)
++{
++ return (watch->watched_fd->occurred);
++}
++
++
++/*
++ * 'timeout_cb()' - Run a timed Avahi callback
++ */
++
++static void
++timeout_cb (cupsd_timeout_t *cupsd_timeout, void *userdata)
++{
++ AvahiTimeout *timeout = userdata;
++ (timeout->callback) (timeout, timeout->userdata);
++}
++
++
++/*
++ * 'timeout_new' - Set a wakeup time
++ */
++
++static AvahiTimeout *
++timeout_new (const AvahiPoll *api,
++ const struct timeval *tv,
++ AvahiTimeoutCallback callback,
++ void *userdata)
++{
++ AvahiTimeout *timeout;
++ AvahiCupsPoll *cups_poll = api->userdata;
++
++ timeout = malloc(sizeof(AvahiTimeout));
++ if (timeout == NULL)
++ return (NULL);
++
++ timeout->cups_poll = cups_poll;
++ timeout->callback = callback;
++ timeout->userdata = userdata;
++ timeout->cupsd_timeout = cupsdAddTimeout (tv,
++ (cupsd_timeoutfunc_t)timeout_cb,
++ timeout);
++ cupsArrayAdd (cups_poll->timeouts, timeout);
++ return (timeout);
++}
++
++
++/*
++ * 'timeout_update' - Update the expiration time for a timeout
++ */
++
++static void
++timeout_update (AvahiTimeout *timeout,
++ const struct timeval *tv)
++{
++ cupsdUpdateTimeout (timeout->cupsd_timeout, tv);
++}
++
++
++/*
++ * ' timeout_free' - Free a timeout
++ */
++
++static void
++timeout_free (AvahiTimeout *timeout)
++{
++ cupsArrayRemove (timeout->cups_poll->timeouts, timeout);
++ cupsdRemoveTimeout (timeout->cupsd_timeout);
++ free (timeout);
++}
++
++
++/*
++ * 'compare_watched_fds' - Compare watched file descriptors for array sorting
++ */
++static int
++compare_watched_fds(cupsd_watched_fd_t *p0,
++ cupsd_watched_fd_t *p1)
++{
++ /*
++ * Compare by fd (no two elements have the same fd)
++ */
++
++ if (p0->fd == p1->fd)
++ return 0;
++
++ return (p0->fd < p1->fd ? -1 : 1);
++}
++
++
++/*
++ * 'avahi_cups_poll_new' - Create a new Avahi main loop object for CUPS
++ */
++
++AvahiCupsPoll *
++avahi_cups_poll_new (void)
++{
++ AvahiCupsPoll *cups_poll = malloc(sizeof(AvahiCupsPoll));
++ if (cups_poll == NULL)
++ return (NULL);
++
++ cups_poll->watched_fds = cupsArrayNew ((cups_array_func_t)compare_watched_fds,
++ NULL);
++ cups_poll->timeouts = cupsArrayNew (NULL, NULL);
++
++ cups_poll->api.userdata = cups_poll;
++ cups_poll->api.watch_new = watch_new;
++ cups_poll->api.watch_free = watch_free;
++ cups_poll->api.watch_update = watch_update;
++ cups_poll->api.watch_get_events = watch_get_events;
++
++ cups_poll->api.timeout_new = timeout_new;
++ cups_poll->api.timeout_update = timeout_update;
++ cups_poll->api.timeout_free = timeout_free;
++
++ return (cups_poll);
++}
++
++
++/*
++ * 'avahi_cups_poll_free' - Free an Avahi main loop object for CUPS
++ */
++void
++avahi_cups_poll_free (AvahiCupsPoll *cups_poll)
++{
++ cupsd_watched_fd_t *watched_fd;
++
++ for (watched_fd = (cupsd_watched_fd_t*)cupsArrayFirst(cups_poll->watched_fds);
++ watched_fd;
++ watched_fd = (cupsd_watched_fd_t*)cupsArrayNext(cups_poll->watched_fds))
++ cupsArrayClear (watched_fd->watches);
++
++ cupsArrayClear (cups_poll->watched_fds);
++ cupsArrayClear (cups_poll->timeouts);
++}
++
++
++/*
++ * 'avahi_cups_poll_get' - Get the abstract poll API structure
++ */
++
++const AvahiPoll *
++avahi_cups_poll_get (AvahiCupsPoll *cups_poll)
++{
++ return (&cups_poll->api);
++}
++
++
++#endif /* HAVE_AVAHI ... from top of file */
++
++/*
++ * End of "$Id$".
++ */
+diff -up cups-1.5.0/scheduler/avahi.h.avahi-4-poll cups-1.5.0/scheduler/avahi.h
+--- cups-1.5.0/scheduler/avahi.h.avahi-4-poll 2011-10-11 10:56:50.102288037 +0100
++++ cups-1.5.0/scheduler/avahi.h 2011-10-11 10:56:50.119287724 +0100
+@@ -0,0 +1,69 @@
++/*
++ * "$Id$"
++ *
++ * Avahi poll implementation for the CUPS scheduler.
++ *
++ * Copyright (C) 2010, 2011 Red Hat, Inc.
++ * Authors:
++ * Tim Waugh <twaugh@redhat.com>
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ *
++ * Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ *
++ * Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
++ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
++ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
++ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
++ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
++ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
++ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
++ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
++ * OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
++
++#include <config.h>
++
++#ifdef HAVE_AVAHI
++# include <avahi-client/client.h>
++# include <avahi-client/publish.h>
++#endif /* HAVE_AVAHI */
++
++#ifdef HAVE_AUTHORIZATION_H
++# include <Security/Authorization.h>
++#endif /* HAVE_AUTHORIZATION_H */
++
++
++#ifdef HAVE_AVAHI
++typedef struct
++{
++ AvahiPoll api;
++ cups_array_t *watched_fds;
++ cups_array_t *timeouts;
++} AvahiCupsPoll;
++#endif /* HAVE_AVAHI */
++
++/*
++ * Prototypes...
++ */
++
++#ifdef HAVE_AVAHI
++extern AvahiCupsPoll * avahi_cups_poll_new(void);
++extern void avahi_cups_poll_free(AvahiCupsPoll *cups_poll);
++extern const AvahiPoll *avahi_cups_poll_get(AvahiCupsPoll *cups_poll);
++#endif /* HAVE_AVAHI */
++
++
++/*
++ * End of "$Id$".
++ */
+diff -up cups-1.5.0/scheduler/Makefile.avahi-4-poll cups-1.5.0/scheduler/Makefile
+--- cups-1.5.0/scheduler/Makefile.avahi-4-poll 2011-10-11 10:56:45.868365861 +0100
++++ cups-1.5.0/scheduler/Makefile 2011-10-11 10:56:50.101288055 +0100
+@@ -17,6 +17,7 @@ include ../Makedefs
+
+ CUPSDOBJS = \
+ auth.o \
++ avahi.o \
+ banners.o \
+ cert.o \
+ classes.o \