stream reuse, fix review comments.

services/outside_network.h

@@ -233,8 +233,11 @@ struct port_comm {
 struct reuse_tcp {
 	/** rbtree node with links in tcp_reuse tree. key is NULL when not
 	 * in tree. Both active and empty connections are in the tree.
-	 * key is this structure, the sockaddr and and then is-ssl bool,
-	 * and then ptr value for several times same address in tree */
+	 * key is a pointer to this structure, the members used to compare
+	 * are the sockaddr and and then is-ssl bool, and then ptr value is
+	 * used in case the same address exists several times in the tree
+	 * when there are multiple connections to the same destination to
+	 * make the rbtree items unique. */
 	rbnode_type node;
 	/** the key for the tcp_reuse tree. address of peer, ip4 or ip6,
 	 * and port number of peer */

testdata/tls_reuse.tdir/tls_reuse.conf

@@ -11,7 +11,7 @@ server:
 	do-not-query-localhost: no
 
 	tls-cert-bundle: "unbound_server.pem"
-	ssl-upstream: yes
+	tls-upstream: yes
 
 forward-zone:
 	name: "."

testdata/tls_reuse.tdir/tls_reuse.test

@@ -190,7 +190,7 @@ for x in a1.more.net a2.more.net a3.more.net a4.more.net a5.more.net; do
 done
 
 # make the server timeout to drop the upstream connection
-echo "> sleep 20"
+echo "> sleep 15"
 sleep 15
 # see if we are still up.
 echo "> query a7.more.net"