From e0ae6b10cdefe597870496bb81a2d68078d8f92c Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@sharedrealm.com>
Date: Mon, 10 Sep 2018 01:49:12 +0800
Subject: [PATCH 1/3] Fix bug with HttpChannel linked list.

---
 src/server/channel.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/channel.rs b/src/server/channel.rs
index bec1c4c87..79f9da40f 100644
--- a/src/server/channel.rs
+++ b/src/server/channel.rs
@@ -77,7 +77,7 @@ where
     type Error = ();
 
     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if self.node.is_some() {
+        if self.node.is_none() {
             let el = self as *mut _;
             self.node = Some(Node::new(el));
             let _ = match self.proto {

From 70b45659e235c53d81d2eb0814761ed14002e151 Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@sharedrealm.com>
Date: Mon, 10 Sep 2018 01:51:03 +0800
Subject: [PATCH 2/3] Make Node's `traverse` method take a closure instead of
 calling `shutdown` on each HttpChannel.

---
 src/server/channel.rs | 6 +++---
 src/server/http.rs    | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/server/channel.rs b/src/server/channel.rs
index 79f9da40f..7b63125e5 100644
--- a/src/server/channel.rs
+++ b/src/server/channel.rs
@@ -55,7 +55,7 @@ where
         }
     }
 
-    fn shutdown(&mut self) {
+    pub(crate) fn shutdown(&mut self) {
         match self.proto {
             Some(HttpProtocol::H1(ref mut h1)) => {
                 let io = h1.io();
@@ -232,7 +232,7 @@ impl Node<()> {
         }
     }
 
-    pub(crate) fn traverse<T, H>(&self)
+    pub(crate) fn traverse<T, H, F: Fn(&mut HttpChannel<T, H>)>(&self, f: F)
     where
         T: IoStream,
         H: HttpHandler + 'static,
@@ -247,7 +247,7 @@ impl Node<()> {
                     if !n.element.is_null() {
                         let ch: &mut HttpChannel<T, H> =
                             &mut *(&mut *(n.element as *mut _) as *mut () as *mut _);
-                        ch.shutdown();
+                        f(ch);
                     }
                 }
             } else {
diff --git a/src/server/http.rs b/src/server/http.rs
index eafd45a3f..f83b74f37 100644
--- a/src/server/http.rs
+++ b/src/server/http.rs
@@ -637,7 +637,7 @@ where
 
     fn shutdown(&self, force: bool) {
         if force {
-            self.settings.head().traverse::<TcpStream, H>();
+            self.settings.head().traverse(|ch: &mut HttpChannel<TcpStream, H>| ch.shutdown());
         }
     }
 }

From 04608b2ea6bb925a09b979cce473068e5658a327 Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@sharedrealm.com>
Date: Wed, 12 Sep 2018 00:24:10 +0800
Subject: [PATCH 3/3] Update changes.

---
 CHANGES.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index 0eb92dad1..ccb2f1328 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,11 @@
 # Changes
 
+## [0.7.7] - 2018-09-xx
+
+### Fixed
+
+* Fix linked list of HttpChannels #504
+
 ## [0.7.6] - 2018-09-07
 
 ### Fixed