feat: Add "deno_net" extension (#11150)

This commits moves implementation of net related APIs available on "Deno"
namespace to "deno_net" extension.

Following APIs were moved:
- Deno.listen()
- Deno.connect()
- Deno.listenTls()
- Deno.serveHttp()
- Deno.shutdown()
- Deno.resolveDns()
- Deno.listenDatagram()
- Deno.startTls()
- Deno.Conn
- Deno.Listener
- Deno.DatagramConn

1 files changed, 0 insertions, 251 deletions

diff --git a/runtime/js/40_http.js b/runtime/js/40_http.js
deleted file mode 100644
index 5aa57238b..000000000
--- a/runtime/js/40_http.js
+++ /dev/null
@@ -1,251 +0,0 @@
-// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
-"use strict";
-
-((window) => {
-  const { InnerBody } = window.__bootstrap.fetchBody;
-  const { Response, fromInnerRequest, toInnerResponse, newInnerRequest } =
-    window.__bootstrap.fetch;
-  const errors = window.__bootstrap.errors.errors;
-  const core = window.Deno.core;
-  const { ReadableStream } = window.__bootstrap.streams;
-  const abortSignal = window.__bootstrap.abortSignal;
-
-  function serveHttp(conn) {
-    const rid = Deno.core.opSync("op_http_start", conn.rid);
-    return new HttpConn(rid);
-  }
-
-  const connErrorSymbol = Symbol("connError");
-
-  class HttpConn {
-    #rid = 0;
-
-    constructor(rid) {
-      this.#rid = rid;
-    }
-
-    /** @returns {number} */
-    get rid() {
-      return this.#rid;
-    }
-
-    /** @returns {Promise<ResponseEvent | null>} */
-    async nextRequest() {
-      let nextRequest;
-      try {
-        nextRequest = await Deno.core.opAsync(
-          "op_http_request_next",
-          this.#rid,
-        );
-      } catch (error) {
-        // A connection error seen here would cause disrupted responses to throw
-        // a generic `BadResource` error. Instead store this error and replace
-        // those with it.
-        this[connErrorSymbol] = error;
-        if (error instanceof errors.BadResource) {
-          return null;
-        } else if (error instanceof errors.Interrupted) {
-          return null;
-        } else if (error.message.includes("connection closed")) {
-          return null;
-        }
-        throw error;
-      }
-      if (nextRequest === null) return null;
-
-      const [
-        requestBodyRid,
-        responseSenderRid,
-        method,
-        headersList,
-        url,
-      ] = nextRequest;
-
-      /** @type {ReadableStream<Uint8Array> | undefined} */
-      let body = null;
-      if (typeof requestBodyRid === "number") {
-        body = createRequestBodyStream(requestBodyRid);
-      }
-
-      const innerRequest = newInnerRequest(
-        method,
-        url,
-        headersList,
-        body !== null ? new InnerBody(body) : null,
-      );
-      const signal = abortSignal.newSignal();
-      const request = fromInnerRequest(innerRequest, signal, "immutable");
-
-      const respondWith = createRespondWith(this, responseSenderRid);
-
-      return { request, respondWith };
-    }
-
-    /** @returns {void} */
-    close() {
-      core.close(this.#rid);
-    }
-
-    [Symbol.asyncIterator]() {
-      // deno-lint-ignore no-this-alias
-      const httpConn = this;
-      return {
-        async next() {
-          const reqEvt = await httpConn.nextRequest();
-          // Change with caution, current form avoids a v8 deopt
-          return { value: reqEvt, done: reqEvt === null };
-        },
-      };
-    }
-  }
-
-  function readRequest(requestRid, zeroCopyBuf) {
-    return Deno.core.opAsync(
-      "op_http_request_read",
-      requestRid,
-      zeroCopyBuf,
-    );
-  }
-
-  function createRespondWith(httpConn, responseSenderRid) {
-    return async function respondWith(resp) {
-      if (resp instanceof Promise) {
-        resp = await resp;
-      }
-
-      if (!(resp instanceof Response)) {
-        throw new TypeError(
-          "First argument to respondWith must be a Response or a promise resolving to a Response.",
-        );
-      }
-
-      const innerResp = toInnerResponse(resp);
-
-      // If response body length is known, it will be sent synchronously in a
-      // single op, in other case a "response body" resource will be created and
-      // we'll be streaming it.
-      /** @type {ReadableStream<Uint8Array> | Uint8Array | null} */
-      let respBody = null;
-      if (innerResp.body !== null) {
-        if (innerResp.body.unusable()) throw new TypeError("Body is unusable.");
-        if (innerResp.body.streamOrStatic instanceof ReadableStream) {
-          if (innerResp.body.length === null) {
-            respBody = innerResp.body.stream;
-          } else {
-            const reader = innerResp.body.stream.getReader();
-            const r1 = await reader.read();
-            if (r1.done) {
-              respBody = new Uint8Array(0);
-            } else {
-              respBody = r1.value;
-              const r2 = await reader.read();
-              if (!r2.done) throw new TypeError("Unreachable");
-            }
-          }
-        } else {
-          innerResp.body.streamOrStatic.consumed = true;
-          respBody = innerResp.body.streamOrStatic.body;
-        }
-      } else {
-        respBody = new Uint8Array(0);
-      }
-
-      let responseBodyRid;
-      try {
-        responseBodyRid = await Deno.core.opAsync("op_http_response", [
-          responseSenderRid,
-          innerResp.status ?? 200,
-          innerResp.headerList,
-        ], respBody instanceof Uint8Array ? respBody : null);
-      } catch (error) {
-        const connError = httpConn[connErrorSymbol];
-        if (error instanceof errors.BadResource && connError != null) {
-          // deno-lint-ignore no-ex-assign
-          error = new connError.constructor(connError.message);
-        }
-        if (respBody !== null && respBody instanceof ReadableStream) {
-          await respBody.cancel(error);
-        }
-        throw error;
-      }
-
-      // If `respond` returns a responseBodyRid, we should stream the body
-      // to that resource.
-      if (responseBodyRid !== null) {
-        try {
-          if (respBody === null || !(respBody instanceof ReadableStream)) {
-            throw new TypeError("Unreachable");
-          }
-          const reader = respBody.getReader();
-          while (true) {
-            const { value, done } = await reader.read();
-            if (done) break;
-            if (!(value instanceof Uint8Array)) {
-              await reader.cancel(new TypeError("Value not a Uint8Array"));
-              break;
-            }
-            try {
-              await Deno.core.opAsync(
-                "op_http_response_write",
-                responseBodyRid,
-                value,
-              );
-            } catch (error) {
-              const connError = httpConn[connErrorSymbol];
-              if (error instanceof errors.BadResource && connError != null) {
-                // deno-lint-ignore no-ex-assign
-                error = new connError.constructor(connError.message);
-              }
-              await reader.cancel(error);
-              throw error;
-            }
-          }
-        } finally {
-          // Once all chunks are sent, and the request body is closed, we can
-          // close the response body.
-          try {
-            await Deno.core.opAsync("op_http_response_close", responseBodyRid);
-          } catch { /* pass */ }
-        }
-      }
-    };
-  }
-
-  function createRequestBodyStream(requestBodyRid) {
-    return new ReadableStream({
-      type: "bytes",
-      async pull(controller) {
-        try {
-          // This is the largest possible size for a single packet on a TLS
-          // stream.
-          const chunk = new Uint8Array(16 * 1024 + 256);
-          const read = await readRequest(
-            requestBodyRid,
-            chunk,
-          );
-          if (read > 0) {
-            // We read some data. Enqueue it onto the stream.
-            controller.enqueue(chunk.subarray(0, read));
-          } else {
-            // We have reached the end of the body, so we close the stream.
-            controller.close();
-            core.close(requestBodyRid);
-          }
-        } catch (err) {
-          // There was an error while reading a chunk of the body, so we
-          // error.
-          controller.error(err);
-          controller.close();
-          core.close(requestBodyRid);
-        }
-      },
-      cancel() {
-        core.close(requestBodyRid);
-      },
-    });
-  }
-
-  window.__bootstrap.http = {
-    serveHttp,
-  };
-})(this);