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@libp2p/interface

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@libp2p/interface - npm Package Compare versions

Comparing version 0.0.1-6fdaa7dc to 0.0.1-791f56f0

dist/src/pubsub/index.d.ts
dist/src/pubsub/index.d.ts.map
dist/src/pubsub/index.js
dist/src/pubsub/index.js.map
src/pubsub/index.ts

193

dist/src/connection/index.d.ts

@@ -1,2 +0,1 @@

import type * as Status from './status.js';
import type { AbortOptions } from '../index.js';

@@ -8,32 +7,20 @@ import type { PeerId } from '../peer-id/index.js';

export interface ConnectionTimeline {
/**
* When the connection was opened
*/
open: number;
/**
* When the MultiaddrConnection was upgraded to a Connection - e.g. the type
* of connection encryption and multiplexing was negotiated.
*/
upgraded?: number;
/**
* When the connection was closed.
*/
close?: number;
}
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
* Outbound connections are opened by the local node, inbound streams are opened by the remote
*/
export type Direction = 'inbound' | 'outbound';
export interface ConnectionStat {
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
*/
direction: Direction;
/**
* Lifecycle times for the connection
*/
timeline: ConnectionTimeline;
/**
* Once a multiplexer has been negotiated for this stream, it will be set on the stat object
*/
multiplexer?: string;
/**
* Once a connection encrypter has been negotiated for this stream, it will be set on the stat object
*/
encryption?: string;
/**
* The current status of the connection
*/
status: keyof typeof Status;
}
export interface StreamTimeline {

@@ -60,18 +47,30 @@ /**

reset?: number;
}
export interface StreamStat {
/**
* Outbound streams are opened by the local node, inbound streams are opened by the remote
* A timestamp of when the stream was aborted
*/
direction: Direction;
/**
* Lifecycle times for the stream
*/
timeline: StreamTimeline;
/**
* Once a protocol has been negotiated for this stream, it will be set on the stat object
*/
protocol?: string;
abort?: number;
}
/**
* The states a stream can be in
*/
export type StreamStatus = 'open' | 'closing' | 'closed' | 'aborted' | 'reset';
/**
* The states the readable end of a stream can be in
*
* ready - the readable end is ready for reading
* closing - the readable end is closing
* closed - the readable end has closed
*/
export type ReadStatus = 'ready' | 'closing' | 'closed';
/**
* The states the writable end of a stream can be in
*
* ready - the writable end is ready for writing
* writing - the writable end is in the process of being written to
* done - the source passed to the `.sink` function yielded all values without error
* closing - the writable end is closing
* closed - the writable end has closed
*/
export type WriteStatus = 'ready' | 'writing' | 'done' | 'closing' | 'closed';
/**
* A Stream is a data channel between two peers that

@@ -93,3 +92,3 @@ * can be written to and read from at both ends.

*/
close: () => void;
close: (options?: AbortOptions) => Promise<void>;
/**

@@ -102,3 +101,3 @@ * Closes the stream for **reading**. If iterating over the source of this stream in a `for await of` loop, it will return (exit the loop) after any buffered data has been consumed.

*/
closeRead: () => void;
closeRead: (options?: AbortOptions) => Promise<void>;
/**

@@ -109,3 +108,3 @@ * Closes the stream for **writing**. If iterating over the source of this stream in a `for await of` loop, it will return (exit the loop) after any buffered data has been consumed.

*/
closeWrite: () => void;
closeWrite: (options?: AbortOptions) => Promise<void>;
/**

@@ -122,10 +121,2 @@ * Closes the stream for **reading** *and* **writing**. This should be called when a *local error* has occurred.

/**
* Closes the stream *immediately* for **reading** *and* **writing**. This should be called when a *remote error* has occurred.
*
* This function is called automatically by the muxer when it receives a `RESET` message from the remote.
*
* The sink will return and the source will throw.
*/
reset: () => void;
/**
* Unique identifier for a stream. Identifiers are not unique across muxers.

@@ -135,9 +126,29 @@ */

/**
* Stats about this stream
* Outbound streams are opened by the local node, inbound streams are opened by the remote
*/
stat: StreamStat;
direction: Direction;
/**
* Lifecycle times for the stream
*/
timeline: StreamTimeline;
/**
* Once a protocol has been negotiated for this stream, it will be set on the stat object
*/
protocol?: string;
/**
* User defined stream metadata
*/
metadata: Record<string, any>;
/**
* The current status of the stream
*/
status: StreamStatus;
/**
* The current status of the readable end of the stream
*/
readStatus: ReadStatus;
/**
* The current status of the writable end of the stream
*/
writeStatus: WriteStatus;
}

@@ -152,2 +163,3 @@ export interface NewStreamOptions extends AbortOptions {

}
export type ConnectionStatus = 'open' | 'closing' | 'closed';
/**

@@ -160,12 +172,63 @@ * A Connection is a high-level representation of a connection

export interface Connection {
/**
* The unique identifier for this connection
*/
id: string;
stat: ConnectionStat;
/**
* The address of the remote end of the connection
*/
remoteAddr: Multiaddr;
/**
* The id of the peer at the remote end of the connection
*/
remotePeer: PeerId;
/**
* A list of tags applied to this connection
*/
tags: string[];
/**
* A list of open streams on this connection
*/
streams: Stream[];
newStream: (multicodecs: string | string[], options?: NewStreamOptions) => Promise<Stream>;
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
*/
direction: Direction;
/**
* Lifecycle times for the connection
*/
timeline: ConnectionTimeline;
/**
* Once a multiplexer has been negotiated for this stream, it will be set on the stat object
*/
multiplexer?: string;
/**
* Once a connection encrypter has been negotiated for this stream, it will be set on the stat object
*/
encryption?: string;
/**
* The current status of the connection
*/
status: ConnectionStatus;
/**
* Create a new stream on this connection and negotiate one of the passed protocols
*/
newStream: (protocols: string | string[], options?: NewStreamOptions) => Promise<Stream>;
/**
* Add a stream to this connection
*/
addStream: (stream: Stream) => void;
/**
* Remove a stream from this connection
*/
removeStream: (id: string) => void;
close: () => Promise<void>;
/**
* Gracefully close the connection. All queued data will be written to the
* underlying transport.
*/
close: (options?: AbortOptions) => Promise<void>;
/**
* Immediately close the connection, any queued data will be discarded
*/
abort: (err: Error) => void;
}

@@ -183,4 +246,14 @@ export declare const symbol: unique symbol;

export interface MultiaddrConnectionTimeline {
/**
* When the connection was opened
*/
open: number;
/**
* When the MultiaddrConnection was upgraded to a Connection - the type of
* connection encryption and multiplexing was negotiated.
*/
upgraded?: number;
/**
* When the connection was closed.
*/
close?: number;

@@ -194,6 +267,20 @@ }

export interface MultiaddrConnection extends Duplex<AsyncGenerator<Uint8Array>, Source<Uint8Array>, Promise<void>> {
close: (err?: Error) => Promise<void>;
/**
* Gracefully close the connection. All queued data will be written to the
* underlying transport.
*/
close: (options?: AbortOptions) => Promise<void>;
/**
* Immediately close the connection, any queued data will be discarded
*/
abort: (err: Error) => void;
/**
* The address of the remote end of the connection
*/
remoteAddr: Multiaddr;
/**
* When connection lifecycle events occurred
*/
timeline: MultiaddrConnectionTimeline;
}
//# sourceMappingURL=index.d.ts.map

8

dist/src/index.d.ts

@@ -464,4 +464,8 @@ /**

/**
* Attempts to gracefully close an open connection to the given peer. If the connection is not closed in the grace period, it will be forcefully closed.
* Attempts to gracefully close an open connection to the given peer. If the
* connection is not closed in the grace period, it will be forcefully closed.
*
* An AbortSignal can optionally be passed to control when the connection is
* forcefully closed.
*
* @example

@@ -473,3 +477,3 @@ *

*/
hangUp: (peer: PeerId | Multiaddr) => Promise<void>;
hangUp: (peer: PeerId | Multiaddr, options?: AbortOptions) => Promise<void>;
/**

@@ -476,0 +480,0 @@ * Sets up [multistream-select routing](https://github.com/multiformats/multistream-select) of protocols to their application handlers. Whenever a stream is opened on one of the provided protocols, the handler will be called. `handle` must be called in order to register a handler and support for a given protocol. This also informs other peers of the protocols you support.

8

dist/src/stream-muxer/index.d.ts

@@ -35,5 +35,9 @@ import type { Direction, Stream } from '../connection/index.js';

*/
close: (err?: Error) => void;
close: (options?: AbortOptions) => Promise<void>;
/**
* Close or abort all tracked streams and stop the muxer
*/
abort: (err: Error) => void;
}
export interface StreamMuxerInit extends AbortOptions {
export interface StreamMuxerInit {
/**

@@ -40,0 +44,0 @@ * A callback function invoked every time an incoming stream is opened

101

dist/src/stream-muxer/stream.d.ts
import { Uint8ArrayList } from 'uint8arraylist';
import type { Direction, Stream, StreamStat } from '../connection/index.js';
import type { Direction, ReadStatus, Stream, StreamStatus, StreamTimeline, WriteStatus } from '../connection/index.js';
import type { AbortOptions } from '../index.js';
import type { Source } from 'it-stream-types';
interface Logger {
(formatter: any, ...args: any[]): void;
error: (formatter: any, ...args: any[]) => void;
trace: (formatter: any, ...args: any[]) => void;
enabled: boolean;
}
export interface AbstractStreamInit {

@@ -14,6 +21,5 @@ /**

/**
* The maximum allowable data size, any data larger than this will be
* chunked and sent in multiple data messages
* A Logger implementation used to log stream-specific information
*/
maxDataSize: number;
log: Logger;
/**

@@ -27,28 +33,80 @@ * User specific stream metadata

onEnd?: (err?: Error | undefined) => void;
/**
* Invoked when the readable end of the stream is closed
*/
onCloseRead?: () => void;
/**
* Invoked when the writable end of the stream is closed
*/
onCloseWrite?: () => void;
/**
* Invoked when the the stream has been reset by the remote
*/
onReset?: () => void;
/**
* Invoked when the the stream has errored
*/
onAbort?: (err: Error) => void;
/**
* How long to wait in ms for stream data to be written to the underlying
* connection when closing the writable end of the stream. (default: 500)
*/
closeTimeout?: number;
}
export declare abstract class AbstractStream implements Stream {
id: string;
stat: StreamStat;
direction: Direction;
timeline: StreamTimeline;
protocol?: string;
metadata: Record<string, unknown>;
source: AsyncGenerator<Uint8ArrayList, void, unknown>;
private readonly abortController;
private readonly resetController;
private readonly closeController;
private sourceEnded;
private sinkEnded;
private sinkSunk;
status: StreamStatus;
readStatus: ReadStatus;
writeStatus: WriteStatus;
private readonly sinkController;
private readonly sinkEnd;
private endErr;
private readonly streamSource;
private readonly onEnd?;
private readonly maxDataSize;
private readonly onCloseRead?;
private readonly onCloseWrite?;
private readonly onReset?;
private readonly onAbort?;
protected readonly log: Logger;
constructor(init: AbstractStreamInit);
sink(source: Source<Uint8ArrayList | Uint8Array>): Promise<void>;
protected onSourceEnd(err?: Error): void;
protected onSinkEnd(err?: Error): void;
close(): void;
closeRead(): void;
closeWrite(): void;
close(options?: AbortOptions): Promise<void>;
closeRead(options?: AbortOptions): Promise<void>;
closeWrite(options?: AbortOptions): Promise<void>;
/**
* Close immediately for reading and writing and send a reset message (local
* error)
*/
abort(err: Error): void;
/**
* Receive a reset message - close immediately for reading and writing (remote
* error)
*/
reset(): void;
sink(source: Source<Uint8ArrayList | Uint8Array>): Promise<void>;
_closeSinkAndSource(err?: Error): void;
_closeSink(err?: Error): void;
_closeSource(err?: Error): void;
/**
* The remote closed for writing so we should expect to receive no more
* messages
*/
remoteCloseWrite(): void;
/**
* The remote closed for reading so we should not send any more
* messages
*/
remoteCloseRead(): void;
/**
* The underlying muxer has closed, no more messages can be sent or will
* be received, close immediately to free up resources
*/
destroy(): void;
/**
* When an extending class reads data from it's implementation-specific source,

@@ -67,11 +125,11 @@ * call this method to allow the stream consumer to read the data.

*/
abstract sendNewStream(): void | Promise<void>;
abstract sendNewStream(options?: AbortOptions): void | Promise<void>;
/**
* Send a data message to the remote muxer
*/
abstract sendData(buf: Uint8ArrayList): void | Promise<void>;
abstract sendData(buf: Uint8ArrayList, options?: AbortOptions): void | Promise<void>;
/**
* Send a reset message to the remote muxer
*/
abstract sendReset(): void | Promise<void>;
abstract sendReset(options?: AbortOptions): void | Promise<void>;
/**

@@ -81,3 +139,3 @@ * Send a message to the remote muxer, informing them no more data messages

*/
abstract sendCloseWrite(): void | Promise<void>;
abstract sendCloseWrite(options?: AbortOptions): void | Promise<void>;
/**

@@ -87,4 +145,5 @@ * Send a message to the remote muxer, informing them no more data messages

*/
abstract sendCloseRead(): void | Promise<void>;
abstract sendCloseRead(options?: AbortOptions): void | Promise<void>;
}
export {};
//# sourceMappingURL=stream.d.ts.map

390

dist/src/stream-muxer/stream.js

@@ -1,15 +0,8 @@

// import { logger } from '@libp2p/logger'
import { abortableSource } from 'abortable-iterator';
import { anySignal } from 'any-signal';
import { pushable } from 'it-pushable';
import defer from 'p-defer';
import { Uint8ArrayList } from 'uint8arraylist';
import { CodeError } from '../errors.js';
// const log = logger('libp2p:stream')
const log = () => { };
log.trace = () => { };
log.error = () => { };
const ERR_STREAM_RESET = 'ERR_STREAM_RESET';
const ERR_STREAM_ABORT = 'ERR_STREAM_ABORT';
const ERR_SINK_ENDED = 'ERR_SINK_ENDED';
const ERR_DOUBLE_SINK = 'ERR_DOUBLE_SINK';
const ERR_SINK_INVALID_STATE = 'ERR_SINK_INVALID_STATE';
function isPromise(res) {

@@ -20,44 +13,49 @@ return res != null && typeof res.then === 'function';

id;
stat;
direction;
timeline;
protocol;
metadata;
source;
abortController;
resetController;
closeController;
sourceEnded;
sinkEnded;
sinkSunk;
status;
readStatus;
writeStatus;
sinkController;
sinkEnd;
endErr;
streamSource;
onEnd;
maxDataSize;
onCloseRead;
onCloseWrite;
onReset;
onAbort;
log;
constructor(init) {
this.abortController = new AbortController();
this.resetController = new AbortController();
this.closeController = new AbortController();
this.sourceEnded = false;
this.sinkEnded = false;
this.sinkSunk = false;
this.sinkController = new AbortController();
this.sinkEnd = defer();
this.log = init.log;
// stream status
this.status = 'open';
this.readStatus = 'ready';
this.writeStatus = 'ready';
this.id = init.id;
this.metadata = init.metadata ?? {};
this.stat = {
direction: init.direction,
timeline: {
open: Date.now()
}
this.direction = init.direction;
this.timeline = {
open: Date.now()
};
this.maxDataSize = init.maxDataSize;
this.onEnd = init.onEnd;
this.onCloseRead = init?.onCloseRead;
this.onCloseWrite = init?.onCloseWrite;
this.onReset = init?.onReset;
this.onAbort = init?.onAbort;
this.source = this.streamSource = pushable({
onEnd: () => {
// already sent a reset message
if (this.stat.timeline.reset !== null) {
const res = this.sendCloseRead();
if (isPromise(res)) {
res.catch(err => {
log.error('error while sending close read', err);
});
}
onEnd: (err) => {
if (err != null) {
this.log.trace('source ended with error', err);
}
this.onSourceEnd();
else {
this.log.trace('source ended');
}
this.readStatus = 'closed';
this.onSourceEnd(err);
}

@@ -68,14 +66,56 @@ });

}
async sink(source) {
if (this.writeStatus !== 'ready') {
throw new CodeError(`writable end state is "${this.writeStatus}" not "ready"`, ERR_SINK_INVALID_STATE);
}
try {
this.writeStatus = 'writing';
const options = {
signal: this.sinkController.signal
};
if (this.direction === 'outbound') { // If initiator, open a new stream
const res = this.sendNewStream(options);
if (isPromise(res)) {
await res;
}
}
source = abortableSource(source, this.sinkController.signal, {
returnOnAbort: true
});
this.log.trace('sink reading from source');
for await (let data of source) {
data = data instanceof Uint8Array ? new Uint8ArrayList(data) : data;
const res = this.sendData(data, options);
if (isPromise(res)) { // eslint-disable-line max-depth
await res;
}
}
this.log.trace('sink finished reading from source');
this.writeStatus = 'done';
this.log.trace('sink calling closeWrite');
await this.closeWrite(options);
this.onSinkEnd();
}
catch (err) {
this.log.trace('sink ended with error, calling abort with error', err);
this.abort(err);
throw err;
}
finally {
this.log.trace('resolve sink end');
this.sinkEnd.resolve();
}
}
onSourceEnd(err) {
if (this.sourceEnded) {
if (this.timeline.closeRead != null) {
return;
}
this.stat.timeline.closeRead = Date.now();
this.sourceEnded = true;
log.trace('%s stream %s source end - err: %o', this.stat.direction, this.id, err);
this.timeline.closeRead = Date.now();
if (err != null && this.endErr == null) {
this.endErr = err;
}
if (this.sinkEnded) {
this.stat.timeline.close = Date.now();
this.onCloseRead?.();
if (this.timeline.closeWrite != null) {
this.log.trace('source and sink ended');
this.timeline.close = Date.now();
if (this.onEnd != null) {

@@ -85,15 +125,18 @@ this.onEnd(this.endErr);

}
else {
this.log.trace('source ended, waiting for sink to end');
}
}
onSinkEnd(err) {
if (this.sinkEnded) {
if (this.timeline.closeWrite != null) {
return;
}
this.stat.timeline.closeWrite = Date.now();
this.sinkEnded = true;
log.trace('%s stream %s sink end - err: %o', this.stat.direction, this.id, err);
this.timeline.closeWrite = Date.now();
if (err != null && this.endErr == null) {
this.endErr = err;
}
if (this.sourceEnded) {
this.stat.timeline.close = Date.now();
this.onCloseWrite?.();
if (this.timeline.closeRead != null) {
this.log.trace('sink and source ended');
this.timeline.close = Date.now();
if (this.onEnd != null) {

@@ -103,141 +146,154 @@ this.onEnd(this.endErr);

}
else {
this.log.trace('sink ended, waiting for source to end');
}
}
// Close for both Reading and Writing
close() {
log.trace('%s stream %s close', this.stat.direction, this.id);
this.closeRead();
this.closeWrite();
async close(options) {
this.log.trace('closing gracefully');
this.status = 'closing';
await Promise.all([
this.closeRead(options),
this.closeWrite(options)
]);
this.status = 'closed';
this.log.trace('closed gracefully');
}
// Close for reading
closeRead() {
log.trace('%s stream %s closeRead', this.stat.direction, this.id);
if (this.sourceEnded) {
async closeRead(options = {}) {
if (this.readStatus === 'closing' || this.readStatus === 'closed') {
return;
}
this.streamSource.end();
this.log.trace('closing readable end of stream with starting read status "%s"', this.readStatus);
const readStatus = this.readStatus;
this.readStatus = 'closing';
if (readStatus === 'ready') {
this.log.trace('ending internal source queue');
this.streamSource.end();
}
if (this.status !== 'reset' && this.status !== 'aborted') {
this.log.trace('send close read to remote');
await this.sendCloseRead(options);
}
this.log.trace('closed readable end of stream');
}
// Close for writing
closeWrite() {
log.trace('%s stream %s closeWrite', this.stat.direction, this.id);
if (this.sinkEnded) {
async closeWrite(options = {}) {
if (this.writeStatus === 'closing' || this.writeStatus === 'closed') {
return;
}
this.closeController.abort();
try {
// need to call this here as the sink method returns in the catch block
// when the close controller is aborted
const res = this.sendCloseWrite();
if (isPromise(res)) {
res.catch(err => {
log.error('error while sending close write', err);
this.log.trace('closing writable end of stream with starting write status "%s"', this.writeStatus);
const writeStatus = this.writeStatus;
if (this.writeStatus === 'ready') {
this.log.trace('sink was never sunk, sink an empty array');
await this.sink([]);
}
this.writeStatus = 'closing';
if (writeStatus === 'writing') {
// stop reading from the source passed to `.sink` in the microtask queue
// - this lets any data queued by the user in the current tick get read
// before we exit
await new Promise((resolve, reject) => {
queueMicrotask(() => {
this.log.trace('aborting source passed to .sink');
this.sinkController.abort();
this.sinkEnd.promise.then(resolve, reject);
});
}
});
}
catch (err) {
log.trace('%s stream %s error sending close', this.stat.direction, this.id, err);
if (this.status !== 'reset' && this.status !== 'aborted') {
this.log.trace('send close write to remote');
await this.sendCloseWrite(options);
}
this.onSinkEnd();
this.writeStatus = 'closed';
this.log.trace('closed writable end of stream');
}
// Close for reading and writing (local error)
/**
* Close immediately for reading and writing and send a reset message (local
* error)
*/
abort(err) {
log.trace('%s stream %s abort', this.stat.direction, this.id, err);
// End the source with the passed error
this.streamSource.end(err);
this.abortController.abort();
this.onSinkEnd(err);
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
return;
}
this.log('abort with error', err);
// try to send a reset message
this.log('try to send reset to remote');
const res = this.sendReset();
if (isPromise(res)) {
res.catch((err) => {
this.log.error('error sending reset message', err);
});
}
this.status = 'aborted';
this.timeline.abort = Date.now();
this._closeSinkAndSource(err);
this.onAbort?.(err);
}
// Close immediately for reading and writing (remote error)
/**
* Receive a reset message - close immediately for reading and writing (remote
* error)
*/
reset() {
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
return;
}
const err = new CodeError('stream reset', ERR_STREAM_RESET);
this.resetController.abort();
this.streamSource.end(err);
this.status = 'reset';
this._closeSinkAndSource(err);
this.onReset?.();
}
_closeSinkAndSource(err) {
this._closeSink(err);
this._closeSource(err);
}
_closeSink(err) {
// if the sink function is running, cause it to end
if (this.writeStatus === 'writing') {
this.log.trace('end sink source');
this.sinkController.abort();
}
this.onSinkEnd(err);
}
async sink(source) {
if (this.sinkSunk) {
throw new CodeError('sink already called on stream', ERR_DOUBLE_SINK);
}
this.sinkSunk = true;
if (this.sinkEnded) {
throw new CodeError('stream closed for writing', ERR_SINK_ENDED);
}
const signal = anySignal([
this.abortController.signal,
this.resetController.signal,
this.closeController.signal
]);
try {
source = abortableSource(source, signal);
if (this.stat.direction === 'outbound') { // If initiator, open a new stream
const res = this.sendNewStream();
if (isPromise(res)) {
await res;
}
}
for await (let data of source) {
while (data.length > 0) {
if (data.length <= this.maxDataSize) {
const res = this.sendData(data instanceof Uint8Array ? new Uint8ArrayList(data) : data);
if (isPromise(res)) { // eslint-disable-line max-depth
await res;
}
break;
}
data = data instanceof Uint8Array ? new Uint8ArrayList(data) : data;
const res = this.sendData(data.sublist(0, this.maxDataSize));
if (isPromise(res)) {
await res;
}
data.consume(this.maxDataSize);
}
}
}
catch (err) {
if (err.type === 'aborted' && err.message === 'The operation was aborted') {
if (this.closeController.signal.aborted) {
return;
}
if (this.resetController.signal.aborted) {
err.message = 'stream reset';
err.code = ERR_STREAM_RESET;
}
if (this.abortController.signal.aborted) {
err.message = 'stream aborted';
err.code = ERR_STREAM_ABORT;
}
}
// Send no more data if this stream was remotely reset
if (err.code === ERR_STREAM_RESET) {
log.trace('%s stream %s reset', this.stat.direction, this.id);
}
else {
log.trace('%s stream %s error', this.stat.direction, this.id, err);
try {
const res = this.sendReset();
if (isPromise(res)) {
await res;
}
this.stat.timeline.reset = Date.now();
}
catch (err) {
log.trace('%s stream %s error sending reset', this.stat.direction, this.id, err);
}
}
_closeSource(err) {
// if the source is not ending, end it
if (this.readStatus !== 'closing' && this.readStatus !== 'closed') {
this.log.trace('ending source with %d bytes to be read by consumer', this.streamSource.readableLength);
this.readStatus = 'closing';
this.streamSource.end(err);
this.onSinkEnd(err);
throw err;
}
finally {
signal.clear();
}
/**
* The remote closed for writing so we should expect to receive no more
* messages
*/
remoteCloseWrite() {
if (this.readStatus === 'closing' || this.readStatus === 'closed') {
this.log('received remote close write but local source is already closed');
return;
}
try {
const res = this.sendCloseWrite();
if (isPromise(res)) {
await res;
}
this.log.trace('remote close write');
this._closeSource();
}
/**
* The remote closed for reading so we should not send any more
* messages
*/
remoteCloseRead() {
if (this.writeStatus === 'closing' || this.writeStatus === 'closed') {
this.log('received remote close read but local sink is already closed');
return;
}
catch (err) {
log.trace('%s stream %s error sending close', this.stat.direction, this.id, err);
this.log.trace('remote close read');
this._closeSink();
}
/**
* The underlying muxer has closed, no more messages can be sent or will
* be received, close immediately to free up resources
*/
destroy() {
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
this.log('received destroy but we are already closed');
return;
}
this.onSinkEnd();
this.log.trace('muxer destroyed');
this._closeSinkAndSource();
}

@@ -244,0 +300,0 @@ /**

16

package.json
{
"name": "@libp2p/interface",
"version": "0.0.1-6fdaa7dc",
"version": "0.0.1-791f56f0",
"description": "The interface implemented by a libp2p node",

@@ -59,6 +59,2 @@ "license": "Apache-2.0 OR MIT",

},
"./connection/status": {
"types": "./dist/src/connection/status.d.ts",
"import": "./dist/src/connection/status.js"
},
"./content-routing": {

@@ -116,2 +112,6 @@ "types": "./dist/src/content-routing/index.d.ts",

},
"./pubsub": {
"types": "./dist/src/pubsub/index.d.ts",
"import": "./dist/src/pubsub/index.js"
},
"./record": {

@@ -164,6 +164,6 @@ "types": "./dist/src/record/index.d.ts",

"abortable-iterator": "^5.0.1",
"any-signal": "^4.1.1",
"it-pushable": "^3.1.3",
"it-pushable": "^3.2.0",
"it-stream-types": "^2.0.1",
"multiformats": "^12.0.1",
"p-defer": "^4.0.0",
"uint8arraylist": "^2.4.3"

@@ -173,3 +173,3 @@ },

"@types/sinon": "^10.0.15",
"aegir": "^39.0.10",
"aegir": "^39.0.13",
"sinon": "^15.1.2",

@@ -176,0 +176,0 @@ "sinon-ts": "^1.0.0"

225

src/connection/index.ts

@@ -1,2 +0,1 @@

import type * as Status from './status.js'
import type { AbortOptions } from '../index.js'

@@ -9,39 +8,24 @@ import type { PeerId } from '../peer-id/index.js'

export interface ConnectionTimeline {
open: number
upgraded?: number
close?: number
}
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
*/
export type Direction = 'inbound' | 'outbound'
export interface ConnectionStat {
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
* When the connection was opened
*/
direction: Direction
open: number
/**
* Lifecycle times for the connection
* When the MultiaddrConnection was upgraded to a Connection - e.g. the type
* of connection encryption and multiplexing was negotiated.
*/
timeline: ConnectionTimeline
upgraded?: number
/**
* Once a multiplexer has been negotiated for this stream, it will be set on the stat object
* When the connection was closed.
*/
multiplexer?: string
close?: number
}
/**
* Once a connection encrypter has been negotiated for this stream, it will be set on the stat object
*/
encryption?: string
/**
* Outbound connections are opened by the local node, inbound streams are opened by the remote
*/
export type Direction = 'inbound' | 'outbound'
/**
* The current status of the connection
*/
status: keyof typeof Status
}
export interface StreamTimeline {

@@ -72,22 +56,35 @@ /**

reset?: number
}
export interface StreamStat {
/**
* Outbound streams are opened by the local node, inbound streams are opened by the remote
* A timestamp of when the stream was aborted
*/
direction: Direction
abort?: number
}
/**
* Lifecycle times for the stream
*/
timeline: StreamTimeline
/**
* The states a stream can be in
*/
export type StreamStatus = 'open' | 'closing' | 'closed' | 'aborted' | 'reset'
/**
* Once a protocol has been negotiated for this stream, it will be set on the stat object
*/
protocol?: string
}
/**
* The states the readable end of a stream can be in
*
* ready - the readable end is ready for reading
* closing - the readable end is closing
* closed - the readable end has closed
*/
export type ReadStatus = 'ready' | 'closing' | 'closed'
/**
* The states the writable end of a stream can be in
*
* ready - the writable end is ready for writing
* writing - the writable end is in the process of being written to
* done - the source passed to the `.sink` function yielded all values without error
* closing - the writable end is closing
* closed - the writable end has closed
*/
export type WriteStatus = 'ready' | 'writing' | 'done' | 'closing' | 'closed'
/**
* A Stream is a data channel between two peers that

@@ -109,3 +106,3 @@ * can be written to and read from at both ends.

*/
close: () => void
close: (options?: AbortOptions) => Promise<void>

@@ -119,3 +116,3 @@ /**

*/
closeRead: () => void
closeRead: (options?: AbortOptions) => Promise<void>

@@ -127,3 +124,3 @@ /**

*/
closeWrite: () => void
closeWrite: (options?: AbortOptions) => Promise<void>

@@ -142,24 +139,40 @@ /**

/**
* Closes the stream *immediately* for **reading** *and* **writing**. This should be called when a *remote error* has occurred.
*
* This function is called automatically by the muxer when it receives a `RESET` message from the remote.
*
* The sink will return and the source will throw.
* Unique identifier for a stream. Identifiers are not unique across muxers.
*/
reset: () => void
id: string
/**
* Unique identifier for a stream. Identifiers are not unique across muxers.
* Outbound streams are opened by the local node, inbound streams are opened by the remote
*/
id: string
direction: Direction
/**
* Stats about this stream
* Lifecycle times for the stream
*/
stat: StreamStat
timeline: StreamTimeline
/**
* Once a protocol has been negotiated for this stream, it will be set on the stat object
*/
protocol?: string
/**
* User defined stream metadata
*/
metadata: Record<string, any>
/**
* The current status of the stream
*/
status: StreamStatus
/**
* The current status of the readable end of the stream
*/
readStatus: ReadStatus
/**
* The current status of the writable end of the stream
*/
writeStatus: WriteStatus
}

@@ -176,2 +189,4 @@

export type ConnectionStatus = 'open' | 'closing' | 'closed'
/**

@@ -184,13 +199,77 @@ * A Connection is a high-level representation of a connection

export interface Connection {
/**
* The unique identifier for this connection
*/
id: string
stat: ConnectionStat
/**
* The address of the remote end of the connection
*/
remoteAddr: Multiaddr
/**
* The id of the peer at the remote end of the connection
*/
remotePeer: PeerId
/**
* A list of tags applied to this connection
*/
tags: string[]
/**
* A list of open streams on this connection
*/
streams: Stream[]
newStream: (multicodecs: string | string[], options?: NewStreamOptions) => Promise<Stream>
/**
* Outbound conections are opened by the local node, inbound streams are opened by the remote
*/
direction: Direction
/**
* Lifecycle times for the connection
*/
timeline: ConnectionTimeline
/**
* Once a multiplexer has been negotiated for this stream, it will be set on the stat object
*/
multiplexer?: string
/**
* Once a connection encrypter has been negotiated for this stream, it will be set on the stat object
*/
encryption?: string
/**
* The current status of the connection
*/
status: ConnectionStatus
/**
* Create a new stream on this connection and negotiate one of the passed protocols
*/
newStream: (protocols: string | string[], options?: NewStreamOptions) => Promise<Stream>
/**
* Add a stream to this connection
*/
addStream: (stream: Stream) => void
/**
* Remove a stream from this connection
*/
removeStream: (id: string) => void
close: () => Promise<void>
/**
* Gracefully close the connection. All queued data will be written to the
* underlying transport.
*/
close: (options?: AbortOptions) => Promise<void>
/**
* Immediately close the connection, any queued data will be discarded
*/
abort: (err: Error) => void
}

@@ -205,3 +284,2 @@

export interface ConnectionProtector {
/**

@@ -216,4 +294,16 @@ * Takes a given Connection and creates a private encryption stream

export interface MultiaddrConnectionTimeline {
/**
* When the connection was opened
*/
open: number
/**
* When the MultiaddrConnection was upgraded to a Connection - the type of
* connection encryption and multiplexing was negotiated.
*/
upgraded?: number
/**
* When the connection was closed.
*/
close?: number

@@ -228,5 +318,22 @@ }

export interface MultiaddrConnection extends Duplex<AsyncGenerator<Uint8Array>, Source<Uint8Array>, Promise<void>> {
close: (err?: Error) => Promise<void>
/**
* Gracefully close the connection. All queued data will be written to the
* underlying transport.
*/
close: (options?: AbortOptions) => Promise<void>
/**
* Immediately close the connection, any queued data will be discarded
*/
abort: (err: Error) => void
/**
* The address of the remote end of the connection
*/
remoteAddr: Multiaddr
/**
* When connection lifecycle events occurred
*/
timeline: MultiaddrConnectionTimeline
}

8

src/index.ts

@@ -509,4 +509,8 @@ /**

/**
* Attempts to gracefully close an open connection to the given peer. If the connection is not closed in the grace period, it will be forcefully closed.
* Attempts to gracefully close an open connection to the given peer. If the
* connection is not closed in the grace period, it will be forcefully closed.
*
* An AbortSignal can optionally be passed to control when the connection is
* forcefully closed.
*
* @example

@@ -518,3 +522,3 @@ *

*/
hangUp: (peer: PeerId | Multiaddr) => Promise<void>
hangUp: (peer: PeerId | Multiaddr, options?: AbortOptions) => Promise<void>

@@ -521,0 +525,0 @@ /**

9

src/stream-muxer/index.ts

@@ -40,6 +40,11 @@ import type { Direction, Stream } from '../connection/index.js'

*/
close: (err?: Error) => void
close: (options?: AbortOptions) => Promise<void>
/**
* Close or abort all tracked streams and stop the muxer
*/
abort: (err: Error) => void
}
export interface StreamMuxerInit extends AbortOptions {
export interface StreamMuxerInit {
/**

@@ -46,0 +51,0 @@ * A callback function invoked every time an incoming stream is opened

477

src/stream-muxer/stream.ts

@@ -1,20 +0,19 @@

// import { logger } from '@libp2p/logger'
import { abortableSource } from 'abortable-iterator'
import { anySignal } from 'any-signal'
import { type Pushable, pushable } from 'it-pushable'
import defer, { type DeferredPromise } from 'p-defer'
import { Uint8ArrayList } from 'uint8arraylist'
import { CodeError } from '../errors.js'
import type { Direction, Stream, StreamStat } from '../connection/index.js'
import type { Direction, ReadStatus, Stream, StreamStatus, StreamTimeline, WriteStatus } from '../connection/index.js'
import type { AbortOptions } from '../index.js'
import type { Source } from 'it-stream-types'
// const log = logger('libp2p:stream')
interface Logger {
(formatter: any, ...args: any[]): void
error: (formatter: any, ...args: any[]) => void
trace: (formatter: any, ...args: any[]) => void
enabled: boolean
}
const log: any = () => {}
log.trace = () => {}
log.error = () => {}
const ERR_STREAM_RESET = 'ERR_STREAM_RESET'
const ERR_STREAM_ABORT = 'ERR_STREAM_ABORT'
const ERR_SINK_ENDED = 'ERR_SINK_ENDED'
const ERR_DOUBLE_SINK = 'ERR_DOUBLE_SINK'
const ERR_SINK_INVALID_STATE = 'ERR_SINK_INVALID_STATE'

@@ -33,6 +32,5 @@ export interface AbstractStreamInit {

/**
* The maximum allowable data size, any data larger than this will be
* chunked and sent in multiple data messages
* A Logger implementation used to log stream-specific information
*/
maxDataSize: number
log: Logger

@@ -48,2 +46,28 @@ /**

onEnd?: (err?: Error | undefined) => void
/**
* Invoked when the readable end of the stream is closed
*/
onCloseRead?: () => void
/**
* Invoked when the writable end of the stream is closed
*/
onCloseWrite?: () => void
/**
* Invoked when the the stream has been reset by the remote
*/
onReset?: () => void
/**
* Invoked when the the stream has errored
*/
onAbort?: (err: Error) => void
/**
* How long to wait in ms for stream data to be written to the underlying
* connection when closing the writable end of the stream. (default: 500)
*/
closeTimeout?: number
}

@@ -57,50 +81,56 @@

public id: string
public stat: StreamStat
public direction: Direction
public timeline: StreamTimeline
public protocol?: string
public metadata: Record<string, unknown>
public source: AsyncGenerator<Uint8ArrayList, void, unknown>
public status: StreamStatus
public readStatus: ReadStatus
public writeStatus: WriteStatus
private readonly abortController: AbortController
private readonly resetController: AbortController
private readonly closeController: AbortController
private sourceEnded: boolean
private sinkEnded: boolean
private sinkSunk: boolean
private readonly sinkController: AbortController
private readonly sinkEnd: DeferredPromise<void>
private endErr: Error | undefined
private readonly streamSource: Pushable<Uint8ArrayList>
private readonly onEnd?: (err?: Error | undefined) => void
private readonly maxDataSize: number
private readonly onCloseRead?: () => void
private readonly onCloseWrite?: () => void
private readonly onReset?: () => void
private readonly onAbort?: (err: Error) => void
protected readonly log: Logger
constructor (init: AbstractStreamInit) {
this.abortController = new AbortController()
this.resetController = new AbortController()
this.closeController = new AbortController()
this.sourceEnded = false
this.sinkEnded = false
this.sinkSunk = false
this.sinkController = new AbortController()
this.sinkEnd = defer()
this.log = init.log
// stream status
this.status = 'open'
this.readStatus = 'ready'
this.writeStatus = 'ready'
this.id = init.id
this.metadata = init.metadata ?? {}
this.stat = {
direction: init.direction,
timeline: {
open: Date.now()
}
this.direction = init.direction
this.timeline = {
open: Date.now()
}
this.maxDataSize = init.maxDataSize
this.onEnd = init.onEnd
this.onCloseRead = init?.onCloseRead
this.onCloseWrite = init?.onCloseWrite
this.onReset = init?.onReset
this.onAbort = init?.onAbort
this.source = this.streamSource = pushable<Uint8ArrayList>({
onEnd: () => {
// already sent a reset message
if (this.stat.timeline.reset !== null) {
const res = this.sendCloseRead()
if (isPromise(res)) {
res.catch(err => {
log.error('error while sending close read', err)
})
}
onEnd: (err) => {
if (err != null) {
this.log.trace('source ended with error', err)
} else {
this.log.trace('source ended')
}
this.onSourceEnd()
this.readStatus = 'closed'
this.onSourceEnd(err)
}

@@ -113,10 +143,61 @@ })

async sink (source: Source<Uint8ArrayList | Uint8Array>): Promise<void> {
if (this.writeStatus !== 'ready') {
throw new CodeError(`writable end state is "${this.writeStatus}" not "ready"`, ERR_SINK_INVALID_STATE)
}
try {
this.writeStatus = 'writing'
const options: AbortOptions = {
signal: this.sinkController.signal
}
if (this.direction === 'outbound') { // If initiator, open a new stream
const res = this.sendNewStream(options)
if (isPromise(res)) {
await res
}
}
source = abortableSource(source, this.sinkController.signal, {
returnOnAbort: true
})
this.log.trace('sink reading from source')
for await (let data of source) {
data = data instanceof Uint8Array ? new Uint8ArrayList(data) : data
const res = this.sendData(data, options)
if (isPromise(res)) { // eslint-disable-line max-depth
await res
}
}
this.log.trace('sink finished reading from source')
this.writeStatus = 'done'
this.log.trace('sink calling closeWrite')
await this.closeWrite(options)
this.onSinkEnd()
} catch (err: any) {
this.log.trace('sink ended with error, calling abort with error', err)
this.abort(err)
throw err
} finally {
this.log.trace('resolve sink end')
this.sinkEnd.resolve()
}
}
protected onSourceEnd (err?: Error): void {
if (this.sourceEnded) {
if (this.timeline.closeRead != null) {
return
}
this.stat.timeline.closeRead = Date.now()
this.sourceEnded = true
log.trace('%s stream %s source end - err: %o', this.stat.direction, this.id, err)
this.timeline.closeRead = Date.now()

@@ -127,8 +208,13 @@ if (err != null && this.endErr == null) {

if (this.sinkEnded) {
this.stat.timeline.close = Date.now()
this.onCloseRead?.()
if (this.timeline.closeWrite != null) {
this.log.trace('source and sink ended')
this.timeline.close = Date.now()
if (this.onEnd != null) {
this.onEnd(this.endErr)
}
} else {
this.log.trace('source ended, waiting for sink to end')
}

@@ -138,9 +224,7 @@ }

protected onSinkEnd (err?: Error): void {
if (this.sinkEnded) {
if (this.timeline.closeWrite != null) {
return
}
this.stat.timeline.closeWrite = Date.now()
this.sinkEnded = true
log.trace('%s stream %s sink end - err: %o', this.stat.direction, this.id, err)
this.timeline.closeWrite = Date.now()

@@ -151,8 +235,13 @@ if (err != null && this.endErr == null) {

if (this.sourceEnded) {
this.stat.timeline.close = Date.now()
this.onCloseWrite?.()
if (this.timeline.closeRead != null) {
this.log.trace('sink and source ended')
this.timeline.close = Date.now()
if (this.onEnd != null) {
this.onEnd(this.endErr)
}
} else {
this.log.trace('sink ended, waiting for source to end')
}

@@ -162,170 +251,190 @@ }

// Close for both Reading and Writing
close (): void {
log.trace('%s stream %s close', this.stat.direction, this.id)
async close (options?: AbortOptions): Promise<void> {
this.log.trace('closing gracefully')
this.closeRead()
this.closeWrite()
}
this.status = 'closing'
// Close for reading
closeRead (): void {
log.trace('%s stream %s closeRead', this.stat.direction, this.id)
await Promise.all([
this.closeRead(options),
this.closeWrite(options)
])
if (this.sourceEnded) {
return
}
this.status = 'closed'
this.streamSource.end()
this.log.trace('closed gracefully')
}
// Close for writing
closeWrite (): void {
log.trace('%s stream %s closeWrite', this.stat.direction, this.id)
if (this.sinkEnded) {
async closeRead (options: AbortOptions = {}): Promise<void> {
if (this.readStatus === 'closing' || this.readStatus === 'closed') {
return
}
this.closeController.abort()
this.log.trace('closing readable end of stream with starting read status "%s"', this.readStatus)
try {
// need to call this here as the sink method returns in the catch block
// when the close controller is aborted
const res = this.sendCloseWrite()
const readStatus = this.readStatus
this.readStatus = 'closing'
if (isPromise(res)) {
res.catch(err => {
log.error('error while sending close write', err)
})
}
} catch (err) {
log.trace('%s stream %s error sending close', this.stat.direction, this.id, err)
if (readStatus === 'ready') {
this.log.trace('ending internal source queue')
this.streamSource.end()
}
this.onSinkEnd()
}
if (this.status !== 'reset' && this.status !== 'aborted') {
this.log.trace('send close read to remote')
await this.sendCloseRead(options)
}
// Close for reading and writing (local error)
abort (err: Error): void {
log.trace('%s stream %s abort', this.stat.direction, this.id, err)
// End the source with the passed error
this.streamSource.end(err)
this.abortController.abort()
this.onSinkEnd(err)
this.log.trace('closed readable end of stream')
}
// Close immediately for reading and writing (remote error)
reset (): void {
const err = new CodeError('stream reset', ERR_STREAM_RESET)
this.resetController.abort()
this.streamSource.end(err)
this.onSinkEnd(err)
}
async closeWrite (options: AbortOptions = {}): Promise<void> {
if (this.writeStatus === 'closing' || this.writeStatus === 'closed') {
return
}
async sink (source: Source<Uint8ArrayList | Uint8Array>): Promise<void> {
if (this.sinkSunk) {
throw new CodeError('sink already called on stream', ERR_DOUBLE_SINK)
this.log.trace('closing writable end of stream with starting write status "%s"', this.writeStatus)
const writeStatus = this.writeStatus
if (this.writeStatus === 'ready') {
this.log.trace('sink was never sunk, sink an empty array')
await this.sink([])
}
this.sinkSunk = true
this.writeStatus = 'closing'
if (this.sinkEnded) {
throw new CodeError('stream closed for writing', ERR_SINK_ENDED)
if (writeStatus === 'writing') {
// stop reading from the source passed to `.sink` in the microtask queue
// - this lets any data queued by the user in the current tick get read
// before we exit
await new Promise((resolve, reject) => {
queueMicrotask(() => {
this.log.trace('aborting source passed to .sink')
this.sinkController.abort()
this.sinkEnd.promise.then(resolve, reject)
})
})
}
const signal = anySignal([
this.abortController.signal,
this.resetController.signal,
this.closeController.signal
])
if (this.status !== 'reset' && this.status !== 'aborted') {
this.log.trace('send close write to remote')
await this.sendCloseWrite(options)
}
try {
source = abortableSource(source, signal)
this.writeStatus = 'closed'
if (this.stat.direction === 'outbound') { // If initiator, open a new stream
const res = this.sendNewStream()
this.log.trace('closed writable end of stream')
}
if (isPromise(res)) {
await res
}
}
/**
* Close immediately for reading and writing and send a reset message (local
* error)
*/
abort (err: Error): void {
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
return
}
for await (let data of source) {
while (data.length > 0) {
if (data.length <= this.maxDataSize) {
const res = this.sendData(data instanceof Uint8Array ? new Uint8ArrayList(data) : data)
this.log('abort with error', err)
if (isPromise(res)) { // eslint-disable-line max-depth
await res
}
// try to send a reset message
this.log('try to send reset to remote')
const res = this.sendReset()
break
}
data = data instanceof Uint8Array ? new Uint8ArrayList(data) : data
const res = this.sendData(data.sublist(0, this.maxDataSize))
if (isPromise(res)) {
res.catch((err) => {
this.log.error('error sending reset message', err)
})
}
if (isPromise(res)) {
await res
}
this.status = 'aborted'
this.timeline.abort = Date.now()
this._closeSinkAndSource(err)
this.onAbort?.(err)
}
data.consume(this.maxDataSize)
}
}
} catch (err: any) {
if (err.type === 'aborted' && err.message === 'The operation was aborted') {
if (this.closeController.signal.aborted) {
return
}
/**
* Receive a reset message - close immediately for reading and writing (remote
* error)
*/
reset (): void {
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
return
}
if (this.resetController.signal.aborted) {
err.message = 'stream reset'
err.code = ERR_STREAM_RESET
}
const err = new CodeError('stream reset', ERR_STREAM_RESET)
if (this.abortController.signal.aborted) {
err.message = 'stream aborted'
err.code = ERR_STREAM_ABORT
}
}
this.status = 'reset'
this._closeSinkAndSource(err)
this.onReset?.()
}
// Send no more data if this stream was remotely reset
if (err.code === ERR_STREAM_RESET) {
log.trace('%s stream %s reset', this.stat.direction, this.id)
} else {
log.trace('%s stream %s error', this.stat.direction, this.id, err)
try {
const res = this.sendReset()
_closeSinkAndSource (err?: Error): void {
this._closeSink(err)
this._closeSource(err)
}
if (isPromise(res)) {
await res
}
_closeSink (err?: Error): void {
// if the sink function is running, cause it to end
if (this.writeStatus === 'writing') {
this.log.trace('end sink source')
this.sinkController.abort()
}
this.stat.timeline.reset = Date.now()
} catch (err) {
log.trace('%s stream %s error sending reset', this.stat.direction, this.id, err)
}
}
this.onSinkEnd(err)
}
_closeSource (err?: Error): void {
// if the source is not ending, end it
if (this.readStatus !== 'closing' && this.readStatus !== 'closed') {
this.log.trace('ending source with %d bytes to be read by consumer', this.streamSource.readableLength)
this.readStatus = 'closing'
this.streamSource.end(err)
this.onSinkEnd(err)
}
}
throw err
} finally {
signal.clear()
/**
* The remote closed for writing so we should expect to receive no more
* messages
*/
remoteCloseWrite (): void {
if (this.readStatus === 'closing' || this.readStatus === 'closed') {
this.log('received remote close write but local source is already closed')
return
}
try {
const res = this.sendCloseWrite()
this.log.trace('remote close write')
this._closeSource()
}
if (isPromise(res)) {
await res
}
} catch (err) {
log.trace('%s stream %s error sending close', this.stat.direction, this.id, err)
/**
* The remote closed for reading so we should not send any more
* messages
*/
remoteCloseRead (): void {
if (this.writeStatus === 'closing' || this.writeStatus === 'closed') {
this.log('received remote close read but local sink is already closed')
return
}
this.onSinkEnd()
this.log.trace('remote close read')
this._closeSink()
}
/**
* The underlying muxer has closed, no more messages can be sent or will
* be received, close immediately to free up resources
*/
destroy (): void {
if (this.status === 'closed' || this.status === 'aborted' || this.status === 'reset') {
this.log('received destroy but we are already closed')
return
}
this.log.trace('muxer destroyed')
this._closeSinkAndSource()
}
/**
* When an extending class reads data from it's implementation-specific source,

@@ -350,3 +459,3 @@ * call this method to allow the stream consumer to read the data.

*/
abstract sendNewStream (): void | Promise<void>
abstract sendNewStream (options?: AbortOptions): void | Promise<void>

@@ -356,3 +465,3 @@ /**

*/
abstract sendData (buf: Uint8ArrayList): void | Promise<void>
abstract sendData (buf: Uint8ArrayList, options?: AbortOptions): void | Promise<void>

@@ -362,3 +471,3 @@ /**

*/
abstract sendReset (): void | Promise<void>
abstract sendReset (options?: AbortOptions): void | Promise<void>

@@ -369,3 +478,3 @@ /**

*/
abstract sendCloseWrite (): void | Promise<void>
abstract sendCloseWrite (options?: AbortOptions): void | Promise<void>

@@ -376,3 +485,3 @@ /**

*/
abstract sendCloseRead (): void | Promise<void>
abstract sendCloseRead (options?: AbortOptions): void | Promise<void>
}
dist/src/connection/status.d.ts
dist/src/connection/status.d.ts.map
dist/src/connection/status.js
dist/src/connection/status.js.map
src/connection/status.ts
dist/src/connection/index.d.ts.map

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dist/src/connection/index.js.map

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dist/src/index.d.ts.map

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dist/src/stream-muxer/index.d.ts.map

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dist/src/stream-muxer/stream.d.ts.map

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dist/src/stream-muxer/stream.js.map

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