From ea3f7abde5f9a0e429e15516ddfde264934ba710 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Tue, 6 Mar 2018 04:51:20 -0800
Subject: [PATCH] ircd::server: Add state to deny any resubmission on peer
 close.

---
 include/ircd/server/peer.h |  1 +
 ircd/server.cc             | 10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/ircd/server/peer.h b/include/ircd/server/peer.h
index 1ea7b885c..3ede9e0c3 100644
--- a/include/ircd/server/peer.h
+++ b/include/ircd/server/peer.h
@@ -25,6 +25,7 @@ struct ircd::server::peer
 	string_view emsg; // points to eptr->what()
 	steady_point etime; // time of error
 	std::string server_name;
+	bool ready {true};
 
 	template<class F> size_t accumulate_links(F&&) const;
 	template<class F> size_t accumulate_tags(F&&) const;
diff --git a/ircd/server.cc b/ircd/server.cc
index 4f705cc6b..91c1441fb 100644
--- a/ircd/server.cc
+++ b/ircd/server.cc
@@ -309,9 +309,7 @@ noexcept
 void
 ircd::server::peer::close(const net::close_opts &opts)
 {
-	for(auto &link : this->links)
-		link.exclude = true;
-
+	ready = false;
 	std::vector<link *> links(this->links.size());
 	pointers(this->links, links);
 	for(const auto &link : links)
@@ -354,6 +352,12 @@ void
 ircd::server::peer::submit(request &request)
 try
 {
+	if(unlikely(!ready || !server::ready))
+		throw unavailable
+		{
+			"Peer is unable to take any requests."
+		};
+
 	link *const ret
 	{
 		link_get(request)