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feat: support UDP sockets (#3946)

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hazæ41 2020-02-21 17:26:54 +01:00 • committed by GitHub
parent dd8a109481
commit 08686cbc3a
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8 changed files with 389 additions and 46 deletions
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52
cli/js/lib.deno.ns.d.ts vendored
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@ -1387,14 +1387,20 @@ declare namespace Deno {
*/
export function openPlugin(filename: string): Plugin;
type Transport = "tcp";
export type Transport = "tcp" | "udp";
interface Addr {
export interface Addr {
transport: Transport;
hostname: string;
port: number;
}
export interface UDPAddr {
transport?: Transport;
hostname?: string;
port: number;
}
/** UNSTABLE: Maybe remove ShutdownMode entirely. */
export enum ShutdownMode {
// See http://man7.org/linux/man-pages/man2/shutdown.2.html
@ -1417,6 +1423,36 @@ declare namespace Deno {
*/
export function shutdown(rid: number, how: ShutdownMode): void;
/** UNSTABLE: new API
* Waits for the next message to the passed rid and writes it on the passed buffer.
* Returns the number of bytes written and the remote address.
*/
export function recvfrom(rid: number, p: Uint8Array): Promise<[number, Addr]>;
/** UNSTABLE: new API
* A socket is a generic transport listener for message-oriented protocols
*/
export interface UDPConn extends AsyncIterator<[Uint8Array, Addr]> {
/** UNSTABLE: new API
* Waits for and resolves to the next message to the `Socket`. */
receive(p?: Uint8Array): Promise<[Uint8Array, Addr]>;
/** UNSTABLE: new API
* Sends a message to the target. */
send(p: Uint8Array, addr: UDPAddr): Promise<void>;
/** UNSTABLE: new API
* Close closes the socket. Any pending message promises will be rejected
* with errors.
*/
close(): void;
/** Return the address of the `Socket`. */
addr: Addr;
[Symbol.asyncIterator](): AsyncIterator<[Uint8Array, Addr]>;
}
/** A Listener is a generic network listener for stream-oriented protocols. */
export interface Listener extends AsyncIterator<Conn> {
/** Waits for and resolves to the next connection to the `Listener`. */
@ -1457,7 +1493,9 @@ declare namespace Deno {
transport?: Transport;
}
/** Listen announces on the local transport address.
/** UNSTABLE: new API
*
* Listen announces on the local transport address.
*
* Requires the allow-net permission.
*
@ -1476,7 +1514,13 @@ declare namespace Deno {
* listen({ hostname: "[2001:db8::1]", port: 80 });
* listen({ hostname: "golang.org", port: 80, transport: "tcp" })
*/
export function listen(options: ListenOptions): Listener;
export function listen(
options: ListenOptions & { transport?: "tcp" }
): Listener;
export function listen(
options: ListenOptions & { transport: "udp" }
): UDPConn;
export function listen(options: ListenOptions): Listener | UDPConn;
export interface ListenTLSOptions {
port: number;