1 files changed, 89 insertions, 0 deletions
diff --git a/external/unbound/services/outbound_list.c b/external/unbound/services/outbound_list.c
new file mode 100644
index 000000000..ad73380bc
--- /dev/null
+++ b/external/unbound/services/outbound_list.c
@@ -0,0 +1,89 @@
+/*
+ * services/outbound_list.c - keep list of outbound serviced queries.
+ *
+ * Copyright (c) 2007, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * 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.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * 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
+ * HOLDER 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.
+ */
+
+/**
+ * \file
+ *
+ * This file contains functions to help a module keep track of the
+ * queries it has outstanding to authoritative servers.
+ */
+#include "config.h"
+#include <sys/time.h>
+#include "services/outbound_list.h"
+#include "services/outside_network.h"
+
+void 
+outbound_list_init(struct outbound_list* list)
+{
+	list->first = NULL;
+}
+
+void 
+outbound_list_clear(struct outbound_list* list)
+{
+	struct outbound_entry *p, *np;
+	p = list->first;
+	while(p) {
+		np = p->next;
+		outnet_serviced_query_stop(p->qsent, p);
+		/* in region, no free needed */
+		p = np;
+	}
+	outbound_list_init(list);
+}
+
+void 
+outbound_list_insert(struct outbound_list* list, struct outbound_entry* e)
+{
+	if(list->first)
+		list->first->prev = e;
+	e->next = list->first;
+	e->prev = NULL;
+	list->first = e;
+}
+
+void 
+outbound_list_remove(struct outbound_list* list, struct outbound_entry* e)
+{
+	if(!e)
+		return;
+	outnet_serviced_query_stop(e->qsent, e);
+	if(e->next)
+		e->next->prev = e->prev;
+	if(e->prev)
+		e->prev->next = e->next;
+	else	list->first = e->next;
+	/* in region, no free needed */
+}