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32 lines
1.7 KiB
HTML
32 lines
1.7 KiB
HTML
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<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-help-name="udp in">
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<p>A UDP input node, that produces a <code>msg.payload</code> containing a
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Buffer, string, or base64 encoded string. Supports multicast.</p>
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<p>It also provides <code>msg.ip</code> and <code>msg.port</code> set to the
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ip address and port from which the message was received.</p>
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<p><b>Note</b>: On some systems you may need root or administrator access to use
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ports below 1024 and/or broadcast.</p>
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</script>
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<script type="text/x-red" data-help-name="udp out">
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<p>This node sends <code>msg.payload</code> to the designated UDP host and port. Supports multicast.</p>
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<p>You may also use <code>msg.ip</code> and <code>msg.port</code> to set the destination values, but the statically configured values have precedence.</p>
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<p>If you select broadcast either set the address to the local broadcast ip address, or maybe try 255.255.255.255, which is the global broadcast address.</p>
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<p><b>Note</b>: On some systems you may need to be root to use ports below 1024 and/or broadcast.</p>
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</script>
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