8 files changed, 58 insertions, 3 deletions
diff --git a/deps/evcom/evcom.c b/deps/evcom/evcom.c
index 4267d351e8..0849f8ad0f 100644
--- a/deps/evcom/evcom.c
+++ b/deps/evcom/evcom.c
@@ -1206,6 +1206,15 @@ evcom_stream_reset_timeout (evcom_stream *stream, float timeout)
 }
 
 void
+evcom_stream_set_no_delay (evcom_stream *stream, int no_delay)
+{
+  if (DUPLEX(stream)) {
+    int flags = no_delay ? 1 : 0;
+    setsockopt(stream->recvfd, IPPROTO_TCP, TCP_NODELAY, (void *)&flags, sizeof(flags));
+  }
+}
+
+void
 evcom_stream_attach (EV_P_ evcom_stream *stream)
 {
   D_LOOP_SET(stream, EV_A);
diff --git a/deps/evcom/evcom.h b/deps/evcom/evcom.h
index 977941692a..644ec9737c 100644
--- a/deps/evcom/evcom.h
+++ b/deps/evcom/evcom.h
@@ -192,6 +192,7 @@ void evcom_stream_detach        (evcom_stream *);
 void evcom_stream_read_resume   (evcom_stream *);
 void evcom_stream_read_pause    (evcom_stream *);
 void evcom_stream_reset_timeout (evcom_stream *, float timeout);
+void evcom_stream_set_no_delay  (evcom_stream *, int no_delay);
 void evcom_stream_write         (evcom_stream *, const char *str, size_t len);
 /* Once the write buffer is drained, evcom_stream_close will shutdown the
  * writing end of the stream and will close the read end once the server
diff --git a/doc/api.html b/doc/api.html
index 8cf60291e3..6f33722f59 100644
--- a/doc/api.html
+++ b/doc/api.html
@@ -1712,6 +1712,16 @@ of 60 seconds (60000 ms).
 </p>
 <div class="paragraph"><p>If <tt>timeout</tt> is 0, then the idle timeout is disabled.</p></div>
 </dd>
+<dt class="hdlist1">
+<tt>connection.setNoDelay(noDelay=true)</tt>
+</dt>
+<dd>
+<p>
+Disables the Nagle algorithm. By default TCP connections use the Nagle
+algorithm, they buffer data before sending it off. Setting <tt>noDelay</tt> will
+immediately fire off data each time <tt>connection.send()</tt> is called.
+</p>
+</dd>
 </dl></div>
 <h3 id="_dns">DNS</h3><div style="clear:left"></div>
 <div class="paragraph"><p>Here is an example of which resolves <tt>"www.google.com"</tt> then reverse
@@ -1922,7 +1932,7 @@ init (Handle&lt;Object&gt; target)
 <div id="footer">
 <div id="footer-text">
 Version 0.1.11<br />
-Last updated 2009-09-21 12:26:35 CEST
+Last updated 2009-09-23 15:35:53 CEST
 </div>
 </div>
 </body>
diff --git a/doc/api.txt b/doc/api.txt
index 9e211cd9d0..c3525938a6 100644
--- a/doc/api.txt
+++ b/doc/api.txt
@@ -1081,6 +1081,10 @@ of 60 seconds (60000 ms).
 +
 If +timeout+ is 0, then the idle timeout is disabled.
 
++connection.setNoDelay(noDelay=true)+::
+Disables the Nagle algorithm. By default TCP connections use the Nagle
+algorithm, they buffer data before sending it off. Setting +noDelay+ will
+immediately fire off data each time +connection.send()+ is called.
 
 === DNS
 
diff --git a/doc/node.1 b/doc/node.1
index 368230a923..f04a2e68a1 100644
--- a/doc/node.1
+++ b/doc/node.1
@@ -1,11 +1,11 @@
 .\"     Title: node
 .\"    Author: 
 .\" Generator: DocBook XSL Stylesheets v1.73.2 <http://docbook.sf.net/>
-.\"      Date: 09/21/2009
+.\"      Date: 09/23/2009
 .\"    Manual: 
 .\"    Source: 
 .\"
-.TH "NODE" "1" "09/21/2009" "" ""
+.TH "NODE" "1" "09/23/2009" "" ""
 .\" disable hyphenation
 .nh
 .\" disable justification (adjust text to left margin only)
@@ -1639,6 +1639,15 @@ If
 timeout
 is 0, then the idle timeout is disabled\.
 .RE
+.PP
+connection\.setNoDelay(noDelay=true)
+.RS 4
+Disables the Nagle algorithm\. By default TCP connections use the Nagle algorithm, they buffer data before sending it off\. Setting
+noDelay
+will immediately fire off data each time
+connection\.send()
+is called\.
+.RE
 .RE
 .SS "DNS"
 Here is an example of which resolves "www\.google\.com" then reverse resolves the IP addresses which are returned\.
diff --git a/src/net.cc b/src/net.cc
index 1bcff35a3e..f86c28cb22 100644
--- a/src/net.cc
+++ b/src/net.cc
@@ -64,6 +64,7 @@ void Connection::Initialize(v8::Handle<v8::Object> target) {
   NODE_SET_PROTOTYPE_METHOD(constructor_template, "readPause", ReadPause);
   NODE_SET_PROTOTYPE_METHOD(constructor_template, "readResume", ReadResume);
   NODE_SET_PROTOTYPE_METHOD(constructor_template, "setTimeout", SetTimeout);
+  NODE_SET_PROTOTYPE_METHOD(constructor_template, "setNoDelay", SetNoDelay);
 
   constructor_template->PrototypeTemplate()->SetAccessor(
       READY_STATE_SYMBOL,
@@ -332,6 +333,20 @@ Handle<Value> Connection::ForceClose(const Arguments& args) {
   return Undefined();
 }
 
+Handle<Value> Connection::SetNoDelay(const Arguments& args) {
+  HandleScope scope;
+  Connection *connection = ObjectWrap::Unwrap<Connection>(args.Holder());
+
+  bool no_delay = true;
+  if (args.Length() > 0) {
+    no_delay = args[0]->IsTrue();
+  }
+
+  connection->SetNoDelay(no_delay);
+
+  return Undefined();
+}
+
 Handle<Value> Connection::Send(const Arguments& args) {
   HandleScope scope;
   Connection *connection = ObjectWrap::Unwrap<Connection>(args.Holder());
diff --git a/src/net.h b/src/net.h
index 0b682a6600..99a3aa67e3 100644
--- a/src/net.h
+++ b/src/net.h
@@ -28,6 +28,7 @@ class Connection : public EventEmitter {
   static v8::Handle<v8::Value> ReadPause(const v8::Arguments& args);
   static v8::Handle<v8::Value> ReadResume(const v8::Arguments& args);
   static v8::Handle<v8::Value> SetTimeout(const v8::Arguments& args);
+  static v8::Handle<v8::Value> SetNoDelay(const v8::Arguments& args);
 
   static v8::Handle<v8::Value> ReadyStateGetter(v8::Local<v8::String> _,
       const v8::AccessorInfo& info);
@@ -70,6 +71,10 @@ class Connection : public EventEmitter {
     evcom_stream_reset_timeout(&stream_, timeout);
   }
 
+  void SetNoDelay(bool no_delay) {
+    evcom_stream_set_no_delay(&stream_, no_delay);
+  }
+
   virtual void OnConnect();
   virtual void OnReceive(const void *buf, size_t len);
   virtual void OnEOF();
diff --git a/test/mjsunit/test-tcp-pingpong.js b/test/mjsunit/test-tcp-pingpong.js
index 5c7a3538c9..677317026b 100644
--- a/test/mjsunit/test-tcp-pingpong.js
+++ b/test/mjsunit/test-tcp-pingpong.js
@@ -17,9 +17,11 @@ function pingPongTest (port, host, on_complete) {
       assertEquals(socket.remoteAddress, "127.0.0.1");
 
     socket.setEncoding("utf8");
+    socket.setNoDelay();
     socket.timeout = 0;
 
     socket.addListener("receive", function (data) {
+      puts("server got: " + JSON.stringify(data));
       assertEquals("open", socket.readyState);
       assertTrue(count <= N);
       if (/PING/.exec(data)) {