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cups/cups-avahi-3-timeouts.patch
Tim Waugh e6c38fe3de Updated avahi patches.
2011-06-28 12:57:58 +01:00

338 lines
8.2 KiB
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diff -up cups-1.4.7/scheduler/cupsd.h.avahi-3-timeouts cups-1.4.7/scheduler/cupsd.h
--- cups-1.4.7/scheduler/cupsd.h.avahi-3-timeouts 2011-01-11 07:05:58.000000000 +0000
+++ cups-1.4.7/scheduler/cupsd.h 2011-06-28 12:54:06.906728322 +0100
@@ -147,6 +147,15 @@ extern const char *cups_hstrerror(int);
typedef void (*cupsd_selfunc_t)(void *data);
+#ifdef HAVE_AVAHI
+/*
+ * Timeout callback function type...
+ */
+
+typedef struct _cupsd_timeout_s cupsd_timeout_t;
+typedef void (*cupsd_timeoutfunc_t)(cupsd_timeout_t *timeout, void *data);
+#endif /* HAVE_AVAHI */
+
/*
* Globals...
@@ -188,6 +197,9 @@ VAR PSQUpdateQuotaProcPtr PSQUpdateQuota
/* Apple PrintService quota function */
#endif /* __APPLE__ && HAVE_DLFCN_H */
+#ifdef HAVE_AVAHI
+VAR cups_array_t *Timeouts; /* Timed callbacks for main loop */
+#endif /* HAVE_AVAHI */
@@ -241,6 +253,18 @@ extern void cupsdRemoveSelect(int fd);
extern void cupsdStartSelect(void);
extern void cupsdStopSelect(void);
+#ifdef HAVE_AVAHI
+extern void cupsdInitTimeouts(void);
+extern cupsd_timeout_t *cupsdAddTimeout (const struct timeval *tv,
+ cupsd_timeoutfunc_t cb,
+ void *data);
+extern cupsd_timeout_t *cupsdNextTimeout (long *delay);
+extern void cupsdRunTimeout (cupsd_timeout_t *timeout);
+extern void cupsdUpdateTimeout (cupsd_timeout_t *timeout,
+ const struct timeval *tv);
+extern void cupsdRemoveTimeout (cupsd_timeout_t *timeout);
+#endif /* HAVE_AVAHI */
+
extern int cupsdRemoveFile(const char *filename);
diff -up cups-1.4.7/scheduler/main.c.avahi-3-timeouts cups-1.4.7/scheduler/main.c
--- cups-1.4.7/scheduler/main.c.avahi-3-timeouts 2011-06-28 12:51:40.307369673 +0100
+++ cups-1.4.7/scheduler/main.c 2011-06-28 12:54:06.909728268 +0100
@@ -161,6 +161,10 @@ main(int argc, /* I - Number of comm
int launchd_idle_exit;
/* Idle exit on select timeout? */
#endif /* HAVE_LAUNCHD */
+#ifdef HAVE_AVAHI
+ cupsd_timeout_t *tmo; /* Next scheduled timed callback */
+ long tmo_delay; /* Time before it must be called */
+#endif /* HAVE_AVAHI */
#ifdef HAVE_GETEUID
@@ -561,6 +565,14 @@ main(int argc, /* I - Number of comm
httpInitialize();
+#ifdef HAVE_AVAHI
+ /*
+ * Initialize timed callback structures.
+ */
+
+ cupsdInitTimeouts();
+#endif /* HAVE_AVAHI */
+
cupsdStartServer();
/*
@@ -900,6 +912,16 @@ main(int argc, /* I - Number of comm
}
#endif /* __APPLE__ */
+#ifdef HAVE_AVAHI
+ /*
+ * If a timed callback is due, run it.
+ */
+
+ tmo = cupsdNextTimeout (&tmo_delay);
+ if (tmo && tmo_delay == 0)
+ cupsdRunTimeout (tmo);
+#endif /* HAVE_AVAHI */
+
#ifndef __APPLE__
/*
* Update the network interfaces once a minute...
@@ -1925,6 +1947,10 @@ select_timeout(int fds) /* I - Number
cupsd_job_t *job; /* Job information */
cupsd_subscription_t *sub; /* Subscription information */
const char *why; /* Debugging aid */
+#ifdef HAVE_AVAHI
+ cupsd_timeout_t *tmo; /* Timed callback */
+ long tmo_delay; /* Seconds before calling it */
+#endif /* HAVE_AVAHI */
/*
@@ -1967,6 +1993,19 @@ select_timeout(int fds) /* I - Number
}
#endif /* __APPLE__ */
+#ifdef HAVE_AVAHI
+ /*
+ * See if there are any scheduled timed callbacks to run.
+ */
+
+ tmo = cupsdNextTimeout (&tmo_delay);
+ if (tmo)
+ {
+ timeout = tmo_delay;
+ why = "run a timed callback";
+ }
+#endif /* HAVE_AVAHI */
+
/*
* Check whether we are accepting new connections...
*/
diff -up cups-1.4.7/scheduler/Makefile.avahi-3-timeouts cups-1.4.7/scheduler/Makefile
--- cups-1.4.7/scheduler/Makefile.avahi-3-timeouts 2011-06-28 12:51:40.475366647 +0100
+++ cups-1.4.7/scheduler/Makefile 2011-06-28 12:54:06.906728322 +0100
@@ -39,7 +39,8 @@ CUPSDOBJS = \
server.o \
statbuf.o \
subscriptions.o \
- sysman.o
+ sysman.o \
+ timeout.o
LIBOBJS = \
filter.o \
mime.o \
diff -up cups-1.4.7/scheduler/timeout.c.avahi-3-timeouts cups-1.4.7/scheduler/timeout.c
--- cups-1.4.7/scheduler/timeout.c.avahi-3-timeouts 2011-06-28 12:54:06.910728250 +0100
+++ cups-1.4.7/scheduler/timeout.c 2011-06-28 12:54:06.910728250 +0100
@@ -0,0 +1,195 @@
+/*
+ * "$Id$"
+ *
+ * Timeout functions for the Common UNIX Printing System (CUPS).
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Authors:
+ * Tim Waugh <twaugh@redhat.com>
+ *
+ * Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * Contents:
+ *
+ * cupsdInitTimeouts() - Initialise timeout structure.
+ * cupsdAddTimeout() - Add a timed callback.
+ * cupsdNextTimeout() - Find the next enabled timed callback.
+ * cupsdUpdateTimeout() - Adjust the time of a timed callback or disable it.
+ * cupsdRemoveTimeout() - Discard a timed callback.
+ * compare_timeouts() - Compare timed callbacks for array sorting.
+ */
+
+#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 */
+
+
+struct _cupsd_timeout_s
+{
+ struct timeval when;
+ int enabled;
+ cupsd_timeoutfunc_t callback;
+ void *data;
+};
+
+/*
+ * Local functions...
+ */
+
+/*
+ * 'compare_timeouts()' - Compare timed callbacks for array sorting.
+ */
+
+static int
+compare_timeouts (cupsd_timeout_t *p0, cupsd_timeout_t *p1)
+{
+ if (!p0->enabled || !p1->enabled)
+ {
+ if (!p0->enabled && !p1->enabled)
+ return (0);
+
+ return (p0->enabled ? -1 : 1);
+ }
+
+ return (avahi_timeval_compare (&p0->when, &p1->when));
+}
+
+
+/*
+ * 'cupsdInitTimeouts()' - Initialise timeout structures.
+ */
+
+void
+cupsdInitTimeouts(void)
+{
+ Timeouts = cupsArrayNew ((cups_array_func_t)compare_timeouts, NULL);
+}
+
+
+/*
+ * 'cupsdAddTimeout()' - Add a timed callback.
+ */
+
+cupsd_timeout_t * /* O - Timeout handle */
+cupsdAddTimeout(const struct timeval *tv, /* I - Absolute time */
+ cupsd_timeoutfunc_t cb, /* I - Callback function */
+ void *data) /* I - User data */
+{
+ cupsd_timeout_t *timeout;
+
+ timeout = malloc (sizeof(cupsd_timeout_t));
+ if (timeout != NULL)
+ {
+ timeout->enabled = (tv != NULL);
+ if (tv)
+ {
+ timeout->when.tv_sec = tv->tv_sec;
+ timeout->when.tv_usec = tv->tv_usec;
+ }
+
+ timeout->callback = cb;
+ timeout->data = data;
+ cupsArrayAdd (Timeouts, timeout);
+ }
+
+ return timeout;
+}
+
+
+/*
+ * 'cupsdNextTimeout()' - Find the next enabled timed callback.
+ */
+
+cupsd_timeout_t * /* O - Next enabled timeout or NULL */
+cupsdNextTimeout(long *delay) /* O - Seconds before scheduled */
+{
+ cupsd_timeout_t *first = cupsArrayFirst (Timeouts);
+ struct timeval curtime;
+
+ if (first && !first->enabled)
+ first = NULL;
+
+ if (first && delay)
+ {
+ gettimeofday (&curtime, NULL);
+ if (avahi_timeval_compare (&curtime, &first->when) > 0)
+ {
+ *delay = 0;
+ } else {
+ *delay = 1 + first->when.tv_sec - curtime.tv_sec;
+ if (first->when.tv_usec < curtime.tv_usec)
+ (*delay)--;
+ }
+ }
+
+ return (first);
+}
+
+
+/*
+ * 'cupsdRunTimeout()' - Run a timed callback.
+ */
+
+void
+cupsdRunTimeout(cupsd_timeout_t *timeout) /* I - Timeout */
+{
+ if (!timeout)
+ return;
+ timeout->enabled = 0;
+ if (!timeout->callback)
+ return;
+ timeout->callback (timeout, timeout->data);
+}
+
+/*
+ * 'cupsdUpdateTimeout()' - Adjust the time of a timed callback or disable it.
+ */
+
+void
+cupsdUpdateTimeout(cupsd_timeout_t *timeout, /* I - Timeout */
+ const struct timeval *tv) /* I - Absolute time or NULL */
+{
+ cupsArrayRemove (Timeouts, timeout);
+ timeout->enabled = (tv != NULL);
+ if (tv)
+ {
+ timeout->when.tv_sec = tv->tv_sec;
+ timeout->when.tv_usec = tv->tv_usec;
+ }
+ cupsArrayAdd (Timeouts, timeout);
+}
+
+
+/*
+ * 'cupsdRemoveTimeout()' - Discard a timed callback.
+ */
+
+void
+cupsdRemoveTimeout(cupsd_timeout_t *timeout) /* I - Timeout */
+{
+ cupsArrayRemove (Timeouts, timeout);
+ free (timeout);
+}
+
+
+#endif /* HAVE_AVAHI ... from top of file */
+
+/*
+ * End of "$Id$".
+ */
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