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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "./dispatch_json.ts";
export type Transport = "tcp" | "udp";
// TODO support other types:
// export type Transport = "tcp" | "tcp4" | "tcp6" | "unix" | "unixpacket";
export enum ShutdownMode {
// See http://man7.org/linux/man-pages/man2/shutdown.2.html
// Corresponding to SHUT_RD, SHUT_WR, SHUT_RDWR
Read = 0,
Write,
ReadWrite // unused
}
export function shutdown(rid: number, how: ShutdownMode): void {
sendSync("op_shutdown", { rid, how });
}
interface AcceptResponse {
rid: number;
localAddr: {
hostname: string;
port: number;
transport: Transport;
};
remoteAddr: {
hostname: string;
port: number;
transport: Transport;
};
}
export async function accept(rid: number): Promise<AcceptResponse> {
return await sendAsync("op_accept", { rid });
}
export interface ListenRequest {
transport: Transport;
hostname: string;
port: number;
}
interface ListenResponse {
rid: number;
localAddr: {
hostname: string;
port: number;
transport: Transport;
};
}
export function listen(args: ListenRequest): ListenResponse {
return sendSync("op_listen", args);
}
interface ConnectResponse {
rid: number;
localAddr: {
hostname: string;
port: number;
transport: Transport;
};
remoteAddr: {
hostname: string;
port: number;
transport: Transport;
};
}
export interface ConnectRequest {
transport: Transport;
hostname: string;
port: number;
}
export async function connect(args: ConnectRequest): Promise<ConnectResponse> {
return await sendAsync("op_connect", args);
}
interface ReceiveResponse {
size: number;
remoteAddr: {
hostname: string;
port: number;
transport: Transport;
};
}
export async function receive(
rid: number,
zeroCopy: Uint8Array
): Promise<ReceiveResponse> {
return await sendAsync("op_receive", { rid }, zeroCopy);
}
export interface SendRequest {
rid: number;
hostname: string;
port: number;
transport: Transport;
}
export async function send(
args: SendRequest,
zeroCopy: Uint8Array
): Promise<void> {
await sendAsync("op_send", args, zeroCopy);
}
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