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'use strict';
// Tests the ability to minimally request a byte range with respondWithFD
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const fixtures = require('../common/fixtures');
const http2 = require('http2');
const assert = require('assert');
const fs = require('fs');
const Countdown = require('../common/countdown');
const {
HTTP2_HEADER_CONTENT_TYPE,
HTTP2_HEADER_CONTENT_LENGTH
} = http2.constants;
const fname = fixtures.path('printA.js');
const data = fs.readFileSync(fname);
const fd = fs.openSync(fname, 'r');
// Note: this is not anywhere close to a proper implementation of the range
// header.
function getOffsetLength(range) {
if (range === undefined)
return [0, -1];
const r = /bytes=(\d+)-(\d+)/.exec(range);
return [+r[1], +r[2] - +r[1]];
}
const server = http2.createServer();
server.on('stream', (stream, headers) => {
const [ offset, length ] = getOffsetLength(headers.range);
stream.respondWithFD(fd, {
[HTTP2_HEADER_CONTENT_TYPE]: 'text/plain'
}, {
statCheck: common.mustCall((stat, headers, options) => {
assert.strictEqual(options.length, length);
assert.strictEqual(options.offset, offset);
headers['content-length'] =
Math.min(options.length, stat.size - offset);
}),
offset: offset,
length: length
});
});
server.on('close', common.mustCall(() => fs.closeSync(fd)));
server.listen(0, () => {
const client = http2.connect(`http://localhost:${server.address().port}`);
const countdown = new Countdown(2, () => {
client.close();
server.close();
});
{
const req = client.request({ range: 'bytes=8-11' });
req.on('response', common.mustCall((headers) => {
assert.strictEqual(headers['content-type'], 'text/plain');
assert.strictEqual(+headers['content-length'], 3);
}));
req.setEncoding('utf8');
let check = '';
req.on('data', (chunk) => check += chunk);
req.on('end', common.mustCall(() => {
assert.strictEqual(check, data.toString('utf8', 8, 11));
}));
req.on('close', common.mustCall(() => countdown.dec()));
req.end();
}
{
const req = client.request({ range: 'bytes=8-28' });
req.on('response', common.mustCall((headers) => {
assert.strictEqual(headers[HTTP2_HEADER_CONTENT_TYPE], 'text/plain');
assert.strictEqual(+headers[HTTP2_HEADER_CONTENT_LENGTH], 9);
}));
req.setEncoding('utf8');
let check = '';
req.on('data', (chunk) => check += chunk);
req.on('end', common.mustCall(() => {
assert.strictEqual(check, data.toString('utf8', 8, 28));
}));
req.on('close', common.mustCall(() => countdown.dec()));
req.end();
}
});
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