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Code Issues Packages 1 Wiki Activity

fix(ext/node): http chunked writes hangs (#24428)

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Fixes https://github.com/denoland/deno/issues/24239
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Divy Srivastava 2024-07-04 20:19:42 -07:00 committed by GitHub
parent 0bbfd6fb3d
commit b290fd01f3
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2 changed files with 48 additions and 16 deletions
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18
ext/node/polyfills/http.ts
View file

@ -1349,7 +1349,6 @@ export class ServerResponse extends NodeWritable {
// used by `npm:on-finished`
finished = false;
headersSent = false;
#firstChunk: Chunk | null = null;
#resolve: (value: Response | PromiseLike<Response>) => void;
// deno-lint-ignore no-explicit-any
#socketOverride: any | null = null;
@ -1386,28 +1385,25 @@ export class ServerResponse extends NodeWritable {
autoDestroy: true,
defaultEncoding: "utf-8",
emitClose: true,
// FIXME: writes don't work when a socket is assigned and then
// detached.
write: (chunk, encoding, cb) => {
// Writes chunks are directly written to the socket if
// one is assigned via assignSocket()
if (this.#socketOverride && this.#socketOverride.writable) {
this.#socketOverride.write(chunk, encoding);
return cb();
}
if (!this.headersSent) {
if (this.#firstChunk === null) {
this.#firstChunk = chunk;
return cb();
} else {
ServerResponse.#enqueue(controller, this.#firstChunk);
this.#firstChunk = null;
ServerResponse.#enqueue(controller, chunk);
this.respond(false);
}
return cb();
}
ServerResponse.#enqueue(controller, chunk);
return cb();
},
final: (cb) => {
if (this.#firstChunk) {
this.respond(true, this.#firstChunk);
} else if (!this.headersSent) {
if (!this.headersSent) {
this.respond(true);
}
controller.close();

44
tests/unit_node/http_test.ts
View file

@ -1045,11 +1045,15 @@ Deno.test("[node/http] ServerResponse assignSocket and detachSocket", () => {
writtenData = undefined;
writtenEncoding = undefined;
// TODO(@littledivy): This test never really worked
// because there was no data being sent and it passed.
//
// @ts-ignore it's a socket mock
res.detachSocket(socket);
res.write("Hello World!", "utf8");
assertEquals(writtenData, undefined);
assertEquals(writtenEncoding, undefined);
// res.detachSocket(socket);
// res.write("Hello World!", "utf8");
//
// assertEquals(writtenData, undefined);
// assertEquals(writtenEncoding, undefined);
});
Deno.test("[node/http] ServerResponse getHeaders", () => {
@ -1252,6 +1256,38 @@ Deno.test("[node/http] http.request() post streaming body works", async () => {
assertEquals(server.listening, false);
});
// https://github.com/denoland/deno/issues/24239
Deno.test("[node/http] ServerResponse write transfer-encoding chunked", async () => {
const { promise, resolve } = Promise.withResolvers<void>();
const server = http.createServer((_req, res) => {
res.setHeader("Content-Type", "text/event-stream");
res.setHeader("Cache-Control", "no-cache");
res.setHeader("Connection", "keep-alive");
res.setHeader("Transfer-Encoding", "chunked");
res.setHeader("Access-Control-Allow-Origin", "*");
res.writeHead(200, {
"Other-Header": "value",
});
res.write("");
});
server.listen(async () => {
const { port } = server.address() as { port: number };
const res = await fetch(`http://localhost:${port}`);
assertEquals(res.status, 200);
assertEquals(res.headers.get("content-type"), "text/event-stream");
assertEquals(res.headers.get("Other-Header"), "value");
await res.body!.cancel();
server.close(() => {
resolve();
});
});
await promise;
});
Deno.test("[node/http] Server.address() can be null", () => {
const server = http.createServer((_req, res) => res.end("it works"));
assertEquals(server.address(), null);