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authorBartek IwaƄczuk <biwanczuk@gmail.com>2022-04-21 02:22:55 +0200
committerGitHub <noreply@github.com>2022-04-21 02:22:55 +0200
commit03019e778189b38938f1238f22652162de5a7434 (patch)
treecf16b44be07c1c488ffe4f31fe77eab7f6bd8c95 /ext/net/01_net.js
parentaaaa877d91c5f8b88722fd1ec725791b0eb4efe0 (diff)
Revert various PRs related to "ext/http" (#14339)
* Revert "feat(ext/http): stream auto resp body compression (#14325)" * Revert "core: introduce `resource.read_return` (#14331)" * Revert "perf(http): optimize `ReadableStream`s backed by a resource (#14284)"
Diffstat (limited to 'ext/net/01_net.js')
-rw-r--r--ext/net/01_net.js30
1 files changed, 29 insertions, 1 deletions
diff --git a/ext/net/01_net.js b/ext/net/01_net.js
index fde75fe56..48cbfaaab 100644
--- a/ext/net/01_net.js
+++ b/ext/net/01_net.js
@@ -4,7 +4,7 @@
((window) => {
const core = window.Deno.core;
const { BadResourcePrototype, InterruptedPrototype } = core;
- const { WritableStream, readableStreamForRid } = window.__bootstrap.streams;
+ const { ReadableStream, WritableStream } = window.__bootstrap.streams;
const {
Error,
ObjectPrototypeIsPrototypeOf,
@@ -65,6 +65,8 @@
return core.opAsync("op_dns_resolve", { query, recordType, options });
}
+ const DEFAULT_CHUNK_SIZE = 64 * 1024;
+
function tryClose(rid) {
try {
core.close(rid);
@@ -73,6 +75,32 @@
}
}
+ function readableStreamForRid(rid) {
+ return new ReadableStream({
+ type: "bytes",
+ async pull(controller) {
+ const v = controller.byobRequest.view;
+ try {
+ const bytesRead = await read(rid, v);
+ if (bytesRead === null) {
+ tryClose(rid);
+ controller.close();
+ controller.byobRequest.respond(0);
+ } else {
+ controller.byobRequest.respond(bytesRead);
+ }
+ } catch (e) {
+ controller.error(e);
+ tryClose(rid);
+ }
+ },
+ cancel() {
+ tryClose(rid);
+ },
+ autoAllocateChunkSize: DEFAULT_CHUNK_SIZE,
+ });
+ }
+
function writableStreamForRid(rid) {
return new WritableStream({
async write(chunk, controller) {