diff options
Diffstat (limited to 'cups-avahi-4-poll.patch')
| -rw-r--r-- | cups-avahi-4-poll.patch | 529 |
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 \ |