Tetraplets (#1)

This commit is contained in:
coder11
2020-12-23 17:24:22 +03:00
committed by GitHub
parent 2876417554
commit f6fd95ce77
26 changed files with 739 additions and 504 deletions

View File

@ -14,27 +14,26 @@
* limitations under the License.
*/
import Websockets from "libp2p-websockets";
import Mplex from "libp2p-mplex";
import SECIO from "libp2p-secio";
import Peer from "libp2p";
import {decode, encode} from "it-length-prefixed";
import pipe from "it-pipe";
import Multiaddr from "multiaddr";
import PeerId from "peer-id";
import Websockets from 'libp2p-websockets';
import Mplex from 'libp2p-mplex';
import SECIO from 'libp2p-secio';
import Peer from 'libp2p';
import { decode, encode } from 'it-length-prefixed';
import pipe from 'it-pipe';
import Multiaddr from 'multiaddr';
import PeerId from 'peer-id';
import * as log from 'loglevel';
import {build, parseParticle, Particle, stringifyParticle} from "./particle";
import { build, parseParticle, Particle, stringifyParticle } from './particle';
export const PROTOCOL_NAME = '/fluence/faas/1.0.0';
enum Status {
Initializing = "Initializing",
Connected = "Connected",
Disconnected = "Disconnected"
Initializing = 'Initializing',
Connected = 'Connected',
Disconnected = 'Disconnected',
}
export class FluenceConnection {
private readonly selfPeerId: PeerId;
private node: LibP2p;
private readonly address: Multiaddr;
@ -59,7 +58,7 @@ export class FluenceConnection {
transport: [Websockets],
streamMuxer: [Mplex],
connEncryption: [SECIO],
peerDiscovery: []
peerDiscovery: [],
},
});
@ -67,7 +66,7 @@ export class FluenceConnection {
}
isConnected() {
return this.status === Status.Connected
return this.status === Status.Connected;
}
// connection status. If `Disconnected`, it cannot be reconnected
@ -77,29 +76,25 @@ export class FluenceConnection {
if (this.status === Status.Initializing) {
await this.node.start();
log.debug("dialing to the node with address: " + this.node.peerId.toB58String());
log.debug('dialing to the node with address: ' + this.node.peerId.toB58String());
await this.node.dial(this.address);
let _this = this;
this.node.handle([PROTOCOL_NAME], async ({connection, stream}) => {
pipe(
stream.source,
decode(),
async function (source: AsyncIterable<string>) {
for await (const msg of source) {
try {
let particle = parseParticle(msg);
log.debug("Particle is received:");
log.debug(JSON.stringify(particle, undefined, 2));
_this.handleCall(particle);
} catch(e) {
log.error("error on handling a new incoming message: " + e);
}
this.node.handle([PROTOCOL_NAME], async ({ connection, stream }) => {
pipe(stream.source, decode(), async function (source: AsyncIterable<string>) {
for await (const msg of source) {
try {
let particle = parseParticle(msg);
log.debug('Particle is received:');
log.debug(JSON.stringify(particle, undefined, 2));
_this.handleCall(particle);
} catch (e) {
log.error('error on handling a new incoming message: ' + e);
}
}
)
});
});
this.status = Status.Connected;
@ -110,7 +105,7 @@ export class FluenceConnection {
private checkConnectedOrThrow() {
if (this.status !== Status.Connected) {
throw Error(`connection is in ${this.status} state`)
throw Error(`connection is in ${this.status} state`);
}
}
@ -120,17 +115,20 @@ export class FluenceConnection {
}
async buildParticle(script: string, data: Map<string, any>, ttl?: number): Promise<Particle> {
return build(this.selfPeerId, script, data, ttl)
return build(this.selfPeerId, script, data, ttl);
}
async sendParticle(particle: Particle): Promise<void> {
this.checkConnectedOrThrow();
let particleStr = stringifyParticle(particle);
log.debug("send particle: \n" + JSON.stringify(particle, undefined, 2));
log.debug('send particle: \n' + JSON.stringify(particle, undefined, 2));
// create outgoing substream
const conn = await this.node.dialProtocol(this.address, PROTOCOL_NAME) as {stream: Stream; protocol: string};
const conn = (await this.node.dialProtocol(this.address, PROTOCOL_NAME)) as {
stream: Stream;
protocol: string;
};
pipe(
[Buffer.from(particleStr, 'utf8')],