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'use strict';
const common = require('../common');
const assert = require('assert');
const initHooks = require('./init-hooks');
const { checkInvocations } = require('./hook-checks');
const net = require('net');
const hooks = initHooks();
hooks.enable();
//
// Creating server and listening on port
//
const server = net.createServer()
.on('listening', common.mustCall(onlistening))
.on('connection', common.mustCall(onconnection))
.listen(0);
assert.strictEqual(hooks.activitiesOfTypes('WRITEWRAP').length, 0);
function onlistening() {
assert.strictEqual(hooks.activitiesOfTypes('WRITEWRAP').length, 0);
//
// Creating client and connecting it to server
//
net
.connect(server.address().port)
.on('connect', common.mustCall(onconnect));
assert.strictEqual(hooks.activitiesOfTypes('WRITEWRAP').length, 0);
}
function checkDestroyedWriteWraps(n, stage) {
const as = hooks.activitiesOfTypes('WRITEWRAP');
assert.strictEqual(as.length, n,
`${as.length} out of ${n} WRITEWRAPs when ${stage}`);
function checkValidWriteWrap(w) {
assert.strictEqual(w.type, 'WRITEWRAP');
assert.strictEqual(typeof w.uid, 'number');
assert.strictEqual(typeof w.triggerAsyncId, 'number');
checkInvocations(w, { init: 1 }, `when ${stage}`);
}
as.forEach(checkValidWriteWrap);
}
function onconnection(conn) {
conn.write('hi'); // Let the client know we're ready.
conn.resume();
//
// Server received client connection
//
checkDestroyedWriteWraps(0, 'server got connection');
}
function onconnect() {
//
// Client connected to server
//
checkDestroyedWriteWraps(0, 'client connected');
this.once('data', common.mustCall(ondata));
}
function ondata() {
//
// Writing data to client socket
//
const write = () => {
let writeFinished = false;
this.write('f'.repeat(1280000), () => {
writeFinished = true;
});
process.nextTick(() => {
if (writeFinished) {
// Synchronous finish, write more data immediately.
writeFinished = false;
write();
} else {
// Asynchronous write; this is what we are here for.
onafterwrite(this);
}
});
};
write();
}
function onafterwrite(self) {
checkDestroyedWriteWraps(1, 'client destroyed');
self.end();
checkDestroyedWriteWraps(1, 'client destroyed');
//
// Closing server
//
server.close(common.mustCall(onserverClosed));
checkDestroyedWriteWraps(1, 'server closing');
}
function onserverClosed() {
checkDestroyedWriteWraps(1, 'server closed');
}
process.on('exit', onexit);
function onexit() {
hooks.disable();
hooks.sanityCheck('WRITEWRAP');
checkDestroyedWriteWraps(1, 'process exits');
}
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