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feat(core): add Deno.core.writeAll(rid, chunk) (#16228)

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This commit adds a new op_write_all to core that allows writing an
entire chunk in a single async op call. Internally this calls
`Resource::write_all`.

The `writableStreamForRid` has been moved to `06_streams.js` now, and
uses this new op. Various other code paths now also use this new op.

Closes #16227
This commit is contained in:
Luca Casonato 2022-10-10 10:28:35 +02:00 • committed by GitHub
parent 4d6aed1b52
commit 1ab3691b09
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 85 additions and 43 deletions
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39
ext/net/01_net.js
View file

@ -4,7 +4,8 @@
((window) => {
const core = window.Deno.core;
const { BadResourcePrototype, InterruptedPrototype, ops } = core;
const { WritableStream, readableStreamForRid } = window.__bootstrap.streams;
const { readableStreamForRid, writableStreamForRid } =
window.__bootstrap.streams;
const {
Error,
ObjectPrototypeIsPrototypeOf,
@ -65,39 +66,6 @@
return core.opAsync("op_dns_resolve", { query, recordType, options });
}
function tryClose(rid) {
try {
core.close(rid);
} catch {
// Ignore errors
}
}
function writableStreamForRid(rid) {
return new WritableStream({
async write(chunk, controller) {
try {
let nwritten = 0;
while (nwritten < chunk.length) {
nwritten += await write(
rid,
TypedArrayPrototypeSubarray(chunk, nwritten),
);
}
} catch (e) {
controller.error(e);
tryClose(rid);
}
},
close() {
tryClose(rid);
},
abort() {
tryClose(rid);
},
});
}
class Conn {
#rid = 0;
#remoteAddr = null;
@ -353,7 +321,4 @@
Datagram,
resolveDns,
};
window.__bootstrap.streamUtils = {
writableStreamForRid,
};
})(this);