mirror of https://gitee.com/openkylin/nodejs.git
99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { internalBinding } = require('internal/test/binding');
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const { TCP, constants: TCPConstants } = internalBinding('tcp_wrap');
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const {
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WriteWrap,
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kReadBytesOrError,
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kArrayBufferOffset,
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streamBaseState
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} = internalBinding('stream_wrap');
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const server = new TCP(TCPConstants.SOCKET);
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const r = server.bind('0.0.0.0', 0);
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assert.strictEqual(r, 0);
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let port = {};
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server.getsockname(port);
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port = port.port;
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server.listen(128);
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server.onconnection = (err, client) => {
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assert.strictEqual(client.writeQueueSize, 0);
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console.log('got connection');
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const maybeCloseClient = () => {
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if (client.pendingWrites.length === 0 && client.gotEOF) {
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console.log('close client');
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client.close();
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}
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};
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client.readStart();
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client.pendingWrites = [];
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client.onread = common.mustCall((arrayBuffer) => {
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if (arrayBuffer) {
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const offset = streamBaseState[kArrayBufferOffset];
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const nread = streamBaseState[kReadBytesOrError];
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const buffer = Buffer.from(arrayBuffer, offset, nread);
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assert.ok(buffer.length > 0);
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assert.strictEqual(client.writeQueueSize, 0);
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const req = new WriteWrap();
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req.async = false;
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const returnCode = client.writeBuffer(req, buffer);
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assert.strictEqual(returnCode, 0);
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client.pendingWrites.push(req);
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console.log(`client.writeQueueSize: ${client.writeQueueSize}`);
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// 11 bytes should flush
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assert.strictEqual(client.writeQueueSize, 0);
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if (req.async)
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req.oncomplete = common.mustCall(done);
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else
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process.nextTick(done.bind(null, 0, client, req));
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function done(status, client_, req_) {
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assert.strictEqual(client.pendingWrites.shift(), req);
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// Check parameters.
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assert.strictEqual(status, 0);
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assert.strictEqual(client_, client);
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assert.strictEqual(req_, req);
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console.log(`client.writeQueueSize: ${client.writeQueueSize}`);
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assert.strictEqual(client.writeQueueSize, 0);
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maybeCloseClient();
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}
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} else {
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console.log('eof');
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client.gotEOF = true;
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server.close();
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maybeCloseClient();
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}
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}, 2);
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};
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const net = require('net');
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const c = net.createConnection(port);
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c.on('connect', common.mustCall(() => { c.end('hello world'); }));
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c.setEncoding('utf8');
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c.on('data', common.mustCall((d) => {
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assert.strictEqual(d, 'hello world');
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}));
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c.on('close', () => {
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console.error('client closed');
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});
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