node-ipc/example/UDPSocket/basic/hello-client.js

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const ipc=require('../../../node-ipc');
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/***************************************\
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*
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* UDP Client is really a UDP server
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*
* Dedicated UDP sockets on the same
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* machine can not be bound to in the
* traditional client/server method
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*
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* Every UDP socket is it's own UDP server
* And so must have a unique port on its
* machine, unlike TCP or Unix Sockts
* which can share on the same machine.
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*
* Since there is no open client server
* relationship, you should start world
* first and then hello.
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*
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* *************************************/
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ipc.config.id = 'hello';
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ipc.config.retry= 1500;
ipc.serveNet(
8001, //we set the port here because the world server is already using the default of 8000. So we can not bind to 8000 while world is using it.
'udp4',
function(){
ipc.server.on(
'message',
function(data){
ipc.log('got Data');
ipc.log('got a message from ', data.id ,' : ', data.message);
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}
);
ipc.server.emit(
{
address : 'localhost',
port : ipc.config.networkPort
},
'message',
{
id : ipc.config.id,
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message : 'Hello'
}
);
}
);
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ipc.server.start();