http: add statusMessage

Now the status message can be set via req.statusMessage = 'msg';

doc/api/http.markdown

@@ -258,11 +258,11 @@ Indicates that the underlying connection was terminated before
 Sends a HTTP/1.1 100 Continue message to the client, indicating that
 the request body should be sent. See the ['checkContinue'][] event on `Server`.
 
-### response.writeHead(statusCode, [reasonPhrase], [headers])
+### response.writeHead(statusCode, [statusMessage], [headers])
 
 Sends a response header to the request. The status code is a 3-digit HTTP
 status code, like `404`. The last argument, `headers`, are the response headers.
-Optionally one can give a human-readable `reasonPhrase` as the second
+Optionally one can give a human-readable `statusMessage` as the second
 argument.
 
 Example:
@@ -313,6 +313,20 @@ Example:
 After response header was sent to the client, this property indicates the
 status code which was sent out.
 
+### response.statusMessage
+
+When using implicit headers (not calling `response.writeHead()` explicitly), this property
+controls the status message that will be sent to the client when the headers get
+flushed. If this is left as `undefined` then the standard message for the status
+code will be used.
+
+Example:
+
+    response.statusMessage = 'Not found';
+
+After response header was sent to the client, this property indicates the
+status message which was sent out.
+
 ### response.setHeader(name, value)
 
 Sets a single header value for implicit headers.  If this header already exists

lib/_http_server.js

@@ -122,6 +122,7 @@ ServerResponse.prototype._finish = function() {
 exports.ServerResponse = ServerResponse;
 
 ServerResponse.prototype.statusCode = 200;
+ServerResponse.prototype.statusMessage = undefined;
 
 function onServerResponseClose() {
   // EventEmitter.emit makes a copy of the 'close' listeners array before
@@ -171,13 +172,14 @@ ServerResponse.prototype._implicitHeader = function() {
 };
 
 ServerResponse.prototype.writeHead = function(statusCode) {
-  var reasonPhrase, headers, headerIndex;
+  var headers, headerIndex;
 
   if (util.isString(arguments[1])) {
-    reasonPhrase = arguments[1];
+    this.statusMessage = arguments[1];
     headerIndex = 2;
   } else {
-    reasonPhrase = STATUS_CODES[statusCode] || 'unknown';
+    this.statusMessage =
+        this.statusMessage || STATUS_CODES[statusCode] || 'unknown';
     headerIndex = 1;
   }
   this.statusCode = statusCode;
@@ -217,7 +219,7 @@ ServerResponse.prototype.writeHead = function(statusCode) {
   }
 
   var statusLine = 'HTTP/1.1 ' + statusCode.toString() + ' ' +
-                   reasonPhrase + CRLF;
+                   this.statusMessage + CRLF;
 
   if (statusCode === 204 || statusCode === 304 ||
       (100 <= statusCode && statusCode <= 199)) {

test/simple/test-http-status-message.js

@@ -0,0 +1,50 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+var http = require('http');
+var net = require('net');
+
+var s = http.createServer(function(req, res) {
+  res.statusCode = 200;
+  res.statusMessage = 'Custom Message';
+  res.end('');
+});
+
+s.listen(common.PORT, test);
+
+
+function test() {
+  var bufs = [];
+  var client = net.connect(common.PORT, function() {
+    client.write('GET / HTTP/1.1\r\nConnection: close\r\n\r\n');
+  });
+  client.on('data', function(chunk) {
+    bufs.push(chunk);
+  });
+  client.on('end', function() {
+    var head = Buffer.concat(bufs).toString('binary').split('\r\n')[0];
+    assert.equal('HTTP/1.1 200 Custom Message', head);
+    console.log('ok');
+    s.close();
+  });
+}