http response begin

index.js

@@ -5,7 +5,7 @@ var Stream = require('./stream');
 var events = [
   'http-client-request-begin'
 , 'http-client-request-end'
-// , 'http-client-response-begin'
+, 'http-client-response-begin'
 // , 'http-client-response-end'
 // , 'http-server-request-begin'
 // , 'http-server-request-end'

listeners/http-client-response-begin.js

@@ -0,0 +1,17 @@
+/// http-client-response-begin
+
+module.exports =
+function listener(res, time, timeDiff) {
+  var req = res.client._httpMessage;
+
+  return {
+    event: 'http-client-response-begin',
+    time: time,
+    timeDiff: timeDiff,
+    headers: res.headers,
+    statusCode: res.statusCode,
+    method: req.method,
+    path: req.path,
+    host: req._headers.host
+  };
+};

tests/http_client.js

@@ -44,6 +44,31 @@ test('emits http-client-request-end', function(t) {
     }
   });
 
+  d.run(function() {
+    http.get('http://search.twitter.com/search.json?q=nodejs', function(res) {
+      res.resume();
+    });
+  });
+});
+
+test('emits http-client-response-begin', function(t) {
+  t.plan(6);
+
+  var s = S();
+  var d = domain.create();
+
+  s.on('readable', function() {
+    var event = s.read();
+    if (event && event.event == 'http-client-response-begin') {
+      t.type(event.time, 'number');
+      t.ok(event.timeDiff >= 0);
+      t.equal(event.method, 'GET');
+      t.equal(event.path, '/search.json?q=nodejs');
+      t.equal(event.host, 'search.twitter.com');
+      t.type(event.headers, 'object');
+    }
+  });
+
   d.run(function() {
     http.get('http://search.twitter.com/search.json?q=nodejs', function(res) {
       res.resume();