Socket.write should reset timeout timer.

Fixes #2002.

lib/net.js

@@ -426,6 +426,8 @@ Socket.prototype.write = function(data, arg1, arg2) {
 
 
 Socket.prototype._write = function(data, encoding, cb) {
+  timers.active(this);
+
   // `encoding` is unused right now, `data` is always a buffer.
   var writeReq = this._handle.write(data);
 
@@ -451,6 +453,8 @@ function afterWrite(status, handle, req, buffer) {
   }
   // TODO check status.
 
+  timers.active(this);
+
   self._pendingWriteReqs--;
 
   if (self._pendingWriteReqs == 0) {

test/pummel/test-net-timeout2.js

@@ -0,0 +1,64 @@
+// 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.
+
+// socket.write was not resetting the timeout timer. See
+// https://github.com/joyent/node/issues/2002
+
+var assert = require('assert');
+var net = require('net');
+
+var seconds = 5;
+var gotTimeout = false;
+var counter = 0;
+
+var server = net.createServer(function(socket) {
+  socket.setTimeout((seconds / 2) * 1000, function() {
+    gotTimeout = true;
+		console.log('timeout!!');
+		socket.destroy();
+    process.exit(1);
+	});
+
+	var interval = setInterval(function() {
+    counter++;
+
+    if (counter == seconds) {
+      clearInterval(interval);
+      server.close();
+      socket.destroy();
+    }
+
+		if (socket.writable) {
+			socket.write(Date.now()+'\n');
+		}
+  }, 1000);
+});
+
+
+server.listen(8888, function() {
+  var s = net.connect(8888);
+  s.pipe(process.stdout);
+});
+
+
+process.on('exit', function() {
+  assert.equal(false, gotTimeout);
+});