From e4f5663623ffe7f9f74e12c04771d95d8476686b Mon Sep 17 00:00:00 2001
From: Nitesh Kant <nkant@netflix.com>
Date: Tue, 28 Oct 2014 16:14:38 -0700
Subject: [PATCH] Fixes #258 (Add port to the host header)

---
 .../protocol/http/client/HttpClientImpl.java     | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/rx-netty/src/main/java/io/reactivex/netty/protocol/http/client/HttpClientImpl.java b/rx-netty/src/main/java/io/reactivex/netty/protocol/http/client/HttpClientImpl.java
index ce14abe8..fc0e2f1b 100644
--- a/rx-netty/src/main/java/io/reactivex/netty/protocol/http/client/HttpClientImpl.java
+++ b/rx-netty/src/main/java/io/reactivex/netty/protocol/http/client/HttpClientImpl.java
@@ -35,6 +35,8 @@
 
 public class HttpClientImpl<I, O> extends RxClientImpl<HttpClientRequest<I>, HttpClientResponse<O>> implements HttpClient<I, O> {
 
+    private final String hostHeaderValue;
+
     public HttpClientImpl(String name, ServerInfo serverInfo, Bootstrap clientBootstrap,
                           PipelineConfigurator<HttpClientResponse<O>, HttpClientRequest<I>> pipelineConfigurator,
                           ClientConfig clientConfig,
@@ -44,6 +46,7 @@ public HttpClientImpl(String name, ServerInfo serverInfo, Bootstrap clientBootst
                           MetricEventsSubject<ClientMetricsEvent<?>> eventsSubject) {
         super(name, serverInfo, clientBootstrap, pipelineConfigurator, clientConfig, channelFactory, connectionFactory,
               eventsSubject);
+        hostHeaderValue = prepareHostHeaderValue();
     }
 
     public HttpClientImpl(String name, ServerInfo serverInfo, Bootstrap clientBootstrap,
@@ -52,6 +55,7 @@ public HttpClientImpl(String name, ServerInfo serverInfo, Bootstrap clientBootst
                           ConnectionPoolBuilder<HttpClientResponse<O>, HttpClientRequest<I>> poolBuilder,
                           MetricEventsSubject<ClientMetricsEvent<?>> eventsSubject) {
         super(name, serverInfo, clientBootstrap, pipelineConfigurator, clientConfig, poolBuilder, eventsSubject);
+        hostHeaderValue = prepareHostHeaderValue();
     }
 
     @Override
@@ -69,7 +73,7 @@ protected Observable<HttpClientResponse<O>> submit(final HttpClientRequest<I> re
         return submit(request, connectionObservable, null == clientConfig
                                                      ? HttpClientConfig.Builder.newDefaultConfig() : clientConfig);
     }
-    
+
     protected Observable<HttpClientResponse<O>> submit(final HttpClientRequest<I> request,
                                                        final Observable<ObservableConnection<HttpClientResponse<O>, HttpClientRequest<I>>> connectionObservable,
                                                        final ClientConfig config) {
@@ -133,7 +137,7 @@ private void enrichRequest(HttpClientRequest<I> request, ClientConfig config) {
         request.setDynamicUriParts(serverInfo.getHost(), serverInfo.getPort(), false /*Set when we handle https*/);
 
         if(!request.getHeaders().contains(HttpHeaders.Names.HOST)) {
-            request.getHeaders().add(HttpHeaders.Names.HOST, serverInfo.getHost());
+            request.getHeaders().add(HttpHeaders.Names.HOST, hostHeaderValue);
         }
 
         if (config instanceof HttpClientConfig) {
@@ -143,4 +147,12 @@ private void enrichRequest(HttpClientRequest<I> request, ClientConfig config) {
             }
         }
     }
+
+    private String prepareHostHeaderValue() {
+        if (serverInfo.getPort() == 80 || serverInfo.getPort() == 443) {
+            return serverInfo.getHost();
+        }
+        // Add port to the host header if the port is not standard port. Issue: https://github.com/ReactiveX/RxNetty/issues/258
+        return serverInfo.getHost() + ':' + serverInfo.getPort();
+    }
 }
\ No newline at end of file