From f32b4abce98c97ee6e51b7aa8f8fde6e4cab7f28 Mon Sep 17 00:00:00 2001
From: erwin <erwin@FreeBSD.org>
Date: Wed, 14 Aug 2013 11:10:02 +0000
Subject: Vendor import of Bind 9.9.3-P2

Approved by:	 delphij (mentor, implicit)
Sponsored by:	DK Hostmaster A/S
---
 lib/dns/include/dns/dispatch.h | 66 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 64 insertions(+), 2 deletions(-)

(limited to 'lib/dns/include/dns/dispatch.h')

diff --git a/lib/dns/include/dns/dispatch.h b/lib/dns/include/dns/dispatch.h
index 3f881df..1235f7c 100644
--- a/lib/dns/include/dns/dispatch.h
+++ b/lib/dns/include/dns/dispatch.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009, 2012  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id$ */
+/* $Id: dispatch.h,v 1.64 2011/07/28 23:47:58 tbox Exp $ */
 
 #ifndef DNS_DISPATCH_H
 #define DNS_DISPATCH_H 1
@@ -54,6 +54,7 @@
 
 #include <isc/buffer.h>
 #include <isc/lang.h>
+#include <isc/mutex.h>
 #include <isc/socket.h>
 #include <isc/types.h>
 
@@ -88,6 +89,18 @@ struct dns_dispatchevent {
 	isc_uint32_t		attributes;	/*%< mirrored from socket.h */
 };
 
+/*%
+ * This is a set of one or more dispatches which can be retrieved
+ * round-robin fashion.
+ */
+struct dns_dispatchset {
+	isc_mem_t		*mctx;
+	dns_dispatch_t		**dispatches;
+	int			ndisp;
+	int			cur;
+	isc_mutex_t		lock;
+};
+
 /*@{*/
 /*%
  * Attributes for added dispatchers.
@@ -245,6 +258,15 @@ dns_dispatch_getudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr,
 		    unsigned int buckets, unsigned int increment,
 		    unsigned int attributes, unsigned int mask,
 		    dns_dispatch_t **dispp);
+
+isc_result_t
+dns_dispatch_getudp_dup(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr,
+		    isc_taskmgr_t *taskmgr, isc_sockaddr_t *localaddr,
+		    unsigned int buffersize,
+		    unsigned int maxbuffers, unsigned int maxrequests,
+		    unsigned int buckets, unsigned int increment,
+		    unsigned int attributes, unsigned int mask,
+		    dns_dispatch_t **dispp, dns_dispatch_t *dup);
 /*%<
  * Attach to existing dns_dispatch_t if one is found with dns_dispatchmgr_find,
  * otherwise create a new UDP dispatch.
@@ -496,6 +518,46 @@ dns_dispatch_importrecv(dns_dispatch_t *disp, isc_event_t *event);
  * 	event != NULL
  */
 
+dns_dispatch_t *
+dns_dispatchset_get(dns_dispatchset_t *dset);
+/*%<
+ * Retrieve the next dispatch from dispatch set 'dset', and increment
+ * the round-robin counter.
+ *
+ * Requires:
+ *\li 	dset != NULL
+ */
+
+isc_result_t
+dns_dispatchset_create(isc_mem_t *mctx, isc_socketmgr_t *sockmgr,
+		       isc_taskmgr_t *taskmgr, dns_dispatch_t *source,
+		       dns_dispatchset_t **dsetp, int n);
+/*%<
+ * Given a valid dispatch 'source', create a dispatch set containing
+ * 'n' UDP dispatches, with the remainder filled out by clones of the
+ * source.
+ *
+ * Requires:
+ *\li 	source is a valid UDP dispatcher
+ *\li 	dsetp != NULL, *dsetp == NULL
+ */
+
+void
+dns_dispatchset_cancelall(dns_dispatchset_t *dset, isc_task_t *task);
+/*%<
+ * Cancel socket operations for the dispatches in 'dset'.
+ */
+
+void
+dns_dispatchset_destroy(dns_dispatchset_t **dsetp);
+/*%<
+ * Dereference all the dispatches in '*dsetp', free the dispatchset
+ * memory, and set *dsetp to NULL.
+ *
+ * Requires:
+ *\li 	dset is valid
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_DISPATCH_H */
-- 
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