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tcp node add reply (to all) capability

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if no _session present.
This commit is contained in:
Dave Conway-Jones 2016-02-12 13:17:50 +00:00
parent d69bcad028
commit 7f6915eb59
2 changed files with 21 additions and 8 deletions
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18
nodes/core/io/31-tcpin.html
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@ -56,7 +56,7 @@
</script> </script>
<script type="text/x-red" data-help-name="tcp in"> <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> or accept incoming connections.</p>
</script> </script>
@ -147,12 +147,14 @@
</script> </script>
<script type="text/x-red" data-help-name="tcp out"> <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> accept incoming connections, or reply to messages received from a TCP In node.</p>
<p>Only <b>msg.payload</b> is sent.</p> <p>Only <code>msg.payload</code> is sent.</p>
<p>If <b>msg.payload</b> is a string containing a Base64 encoding of binary <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 data, the Base64 decoding option will cause it to be converted back to binary
before being sent.</p> 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>
<script type="text/javascript"> <script type="text/javascript">
@ -247,12 +249,12 @@
</script> </script>
<script type="text/x-red" data-help-name="tcp request"> <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>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", reads the "response". It can either count a number of <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, 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> 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>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 <b>msg.host</b> and <b>msg.port</b> properties.</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>
<script type="text/javascript"> <script type="text/javascript">

11
nodes/core/io/31-tcpin.js
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@ -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 { } else {
var connectedSockets = []; var connectedSockets = [];