Random net.js clean ups

lib/net.js

@@ -416,12 +416,12 @@ Stream.prototype._writeString = function (data, encoding) {
     buffer = self._allocateSendBuffer();
   } else {
     buffer = self.__writeQueueLast();
-    if (buffer.used == buffer.length) {
+    if (buffer.length - buffer.used < 64) {
       buffer = self._allocateSendBuffer();
     }
   }
 
-  encoding = encoding || 'ascii'; // default to ascii since it's faster
+  encoding = encoding || 'utf8'; // default to utf8
 
   var charsWritten;
   var bytesWritten;
@@ -473,7 +473,9 @@ Stream.prototype.write = function (data, encoding) {
   if (!self.writable) throw new Error('Stream is not writable');
 
   if (self._writeQueue && self._writeQueue.length) {
-    return self._writeQueued(data, encoding); // slow
+    // slow
+    // There is already a write queue, so let's append to it.
+    return self._queueWrite(data, encoding);
 
   } else {
     // The most common case. There is no write queue. Just push the data
@@ -492,7 +494,7 @@ Stream.prototype.write = function (data, encoding) {
 
       if (recvBuffer.length - recvBuffer.used < bytes) {
         // not enough room - go to slow case
-        return self._writeQueued(data, encoding);
+        return self._queueWrite(data, encoding);
       }
 
       var charsWritten;
@@ -545,8 +547,8 @@ Stream.prototype.write = function (data, encoding) {
   }
 }
 
-Stream.prototype._writeQueued = function (data, encoding) {
-  //debug('_writeQueued');
+Stream.prototype._queueWrite = function (data, encoding) {
+  //debug('_queueWrite');
   var self = this;
 
   if (self.__writeQueueLast() == END_OF_FILE) {