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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
// Ref: https://github.com/nodejs/node-v0.x-archive/issues/5504
//
// This test only fails with CentOS 6.3 using kernel version 2.6.32.
// On other Linuxes and macOS, the `read` call gets an ECONNRESET in
// that case. On sunos, the `write` call fails with EPIPE.
//
// However, old CentOS will occasionally send an EOF instead of an
// ECONNRESET or EPIPE when the client has been destroyed abruptly.
//
// Make sure we don't keep trying to write or read more in that case.
switch (process.argv[2]) {
case 'server': return server();
case 'client': return client();
case undefined: return parent();
default: throw new Error('invalid');
}
function server() {
const net = require('net');
const content = Buffer.alloc(64 * 1024 * 1024, '#');
net.createServer(function(socket) {
this.close();
socket.on('end', function() {
console.error('end');
});
socket.on('_socketEnd', function() {
console.error('_socketEnd');
});
socket.write(content);
}).listen(common.PORT, common.localhostIPv4, function() {
console.log('listening');
});
}
function client() {
const net = require('net');
const client = net.connect({
host: common.localhostIPv4,
port: common.PORT
}, function() {
client.destroy();
});
}
function parent() {
const spawn = require('child_process').spawn;
const node = process.execPath;
const s = spawn(node, [__filename, 'server'], {
env: Object.assign(process.env, {
NODE_DEBUG: 'net'
})
});
wrap(s.stderr, process.stderr, 'SERVER 2>');
wrap(s.stdout, process.stdout, 'SERVER 1>');
s.on('exit', common.mustCall());
s.stdout.once('data', common.mustCall(function() {
const c = spawn(node, [__filename, 'client']);
wrap(c.stderr, process.stderr, 'CLIENT 2>');
wrap(c.stdout, process.stdout, 'CLIENT 1>');
c.on('exit', common.mustCall());
}));
function wrap(inp, out, w) {
inp.setEncoding('utf8');
inp.on('data', function(chunk) {
chunk = chunk.trim();
if (!chunk) return;
out.write(`${w}${chunk.split('\n').join(`\n${w}`)}\n`);
});
}
}
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