78 lines
2.4 KiB
JavaScript
78 lines
2.4 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// See test/simple/test-sendfd.js for a complete description of what this
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// script is doing and how it fits into the test as a whole.
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const net = require('net');
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var receivedData = [];
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var receivedFDs = [];
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var numSentMessages = 0;
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function processData(s) {
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if (receivedData.length == 0 || receivedFDs.length == 0) {
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return;
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}
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var fd = receivedFDs.shift();
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var d = receivedData.shift();
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// Augment our received object before sending it back across the pipe.
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d.pid = process.pid;
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// Create a stream around the FD that we received and send a serialized
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// version of our modified object back. Clean up when we're done.
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var pipeStream = new net.Stream(fd);
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var drainFunc = function() {
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pipeStream.destroy();
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if (++numSentMessages == 2) {
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s.destroy();
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}
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};
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pipeStream.on('drain', drainFunc);
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pipeStream.resume();
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if (pipeStream.write(JSON.stringify(d) + '\n')) {
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drainFunc();
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}
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}
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// Create a UNIX socket to the path defined by argv[2] and read a file
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// descriptor and misc data from it.
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var s = new net.Stream();
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s.on('fd', function(fd) {
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receivedFDs.unshift(fd);
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processData(s);
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});
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s.on('data', function(data) {
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data.toString('utf8').trim().split('\n').forEach(function(d) {
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receivedData.unshift(JSON.parse(d));
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});
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processData(s);
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});
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s.connect(process.argv[2]);
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// vim:ts=2 sw=2 et
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