From 7f6915eb599c74b2bd54c50043fe0389b72a9b14 Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@dcjmac.hursley.uk.ibm.com>
Date: Fri, 12 Feb 2016 13:17:50 +0000
Subject: [PATCH] tcp node add reply (to all) capability

if no _session present.
---
 nodes/core/io/31-tcpin.html | 18 ++++++++++--------
 nodes/core/io/31-tcpin.js   | 11 +++++++++++
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/nodes/core/io/31-tcpin.html b/nodes/core/io/31-tcpin.html
index 44920b9c50..ac988ba2d8 100644
--- a/nodes/core/io/31-tcpin.html
+++ b/nodes/core/io/31-tcpin.html
@@ -56,7 +56,7 @@
 </script>
 
 <script type="text/x-red" data-help-name="tcp in">
-    <p>Provides a choice of tcp inputs. Can either connect to a remote tcp port,
+    <p>Provides a choice of TCP inputs. Can either connect to a remote TCP port,
        or accept incoming connections.</p>
 </script>
 
@@ -147,12 +147,14 @@
 </script>
 
 <script type="text/x-red" data-help-name="tcp out">
-    <p>Provides a choice of tcp outputs. Can either connect to a remote tcp port,
+    <p>Provides a choice of TCP outputs. Can either connect to a remote TCP port,
     accept incoming connections, or reply to messages received from a TCP In node.</p>
-    <p>Only <b>msg.payload</b> is sent.</p>
-    <p>If <b>msg.payload</b> is a string containing a Base64 encoding of binary
+    <p>Only <code>msg.payload</code> is sent.</p>
+    <p>If <code>msg.payload</code> is a string containing a Base64 encoding of binary
     data, the Base64 decoding option will cause it to be converted back to binary
     before being sent.</p>
+    <p>If <code>msg._session</code> is not present the payload is
+    sent to <b>all</b> connected clients.</p>
 </script>
 
 <script type="text/javascript">
@@ -247,12 +249,12 @@
 </script>
 
 <script type="text/x-red" data-help-name="tcp request">
-    <p>A simple TCP request node - sends the <b>msg.payload</b> to a server tcp port and expects a response.</p>
-    <p>Connects, sends the "request", reads the "response". It can either count a number of
+    <p>A simple TCP request node - sends the <code>msg.payload</code> to a server tcp port and expects a response.</p>
+    <p>Connects, sends the "request", and reads the "response". It can either count a number of
     returned characters into a fixed buffer, match a specified character before returning,
     wait a fixed timeout from first reply and then return, or just sit and wait for data.</p>
-    <p>The response will be output in <b>msg.payload</b> as a buffer, so you may want to .toString() it.</p>
-    <p>If you leave tcp host or port blank they must be set by using the <b>msg.host</b> and <b>msg.port</b> properties.</p>
+    <p>The response will be output in <code>msg.payload</code> as a buffer, so you may want to .toString() it.</p>
+    <p>If you leave tcp host or port blank they must be set by using the <code>msg.host</code> and <code>msg.port</code> properties.</p>
 </script>
 
 <script type="text/javascript">
diff --git a/nodes/core/io/31-tcpin.js b/nodes/core/io/31-tcpin.js
index c9e9008b73..96ef580af7 100644
--- a/nodes/core/io/31-tcpin.js
+++ b/nodes/core/io/31-tcpin.js
@@ -303,6 +303,17 @@ module.exports = function(RED) {
                         }
                     }
                 }
+                else {
+                    for (var i in connectionPool) {
+                        if (Buffer.isBuffer(msg.payload)) {
+                            connectionPool[i].write(msg.payload);
+                        } else if (typeof msg.payload === "string" && node.base64) {
+                            connectionPool[i].write(new Buffer(msg.payload,'base64'));
+                        } else {
+                            connectionPool[i].write(new Buffer(""+msg.payload));
+                        }
+                    }
+                }
             });
         } else {
             var connectedSockets = [];