rhizome/src/node.ts

117 lines
3.6 KiB
TypeScript

import Debug from 'debug';
import {CREATOR, HTTP_API_ADDR, HTTP_API_ENABLE, HTTP_API_PORT, PEER_ID, PUBLISH_BIND_ADDR, PUBLISH_BIND_HOST, PUBLISH_BIND_PORT, REQUEST_BIND_ADDR, REQUEST_BIND_HOST, REQUEST_BIND_PORT, SEED_PEERS} from './config';
import {DeltaStream} from './delta-stream';
import {HttpServer} from './http/index';
import {Lossless} from './lossless';
import {parseAddressList, PeerAddress, Peers} from './peers';
import {PubSub} from './pub-sub';
import {RequestReply} from './request-reply';
const debug = Debug('rz:rhizome-node');
export type RhizomeNodeConfig = {
requestBindAddr: string;
requestBindHost: string;
requestBindPort: number;
publishBindAddr: string;
publishBindHost: string;
publishBindPort: number;
httpAddr: string;
httpPort: number;
httpEnable: boolean;
seedPeers: PeerAddress[];
peerId: string;
creator: string; // TODO each host should be able to support multiple users
};
// So that we can run more than one instance in the same process (for testing)
export class RhizomeNode {
config: RhizomeNodeConfig;
pubSub: PubSub;
requestReply: RequestReply;
httpServer: HttpServer;
deltaStream: DeltaStream;
lossless: Lossless;
peers: Peers;
myRequestAddr: PeerAddress;
myPublishAddr: PeerAddress;
constructor(config?: Partial<RhizomeNodeConfig>) {
this.config = {
requestBindAddr: REQUEST_BIND_ADDR,
requestBindHost: REQUEST_BIND_HOST,
requestBindPort: REQUEST_BIND_PORT,
publishBindAddr: PUBLISH_BIND_ADDR,
publishBindHost: PUBLISH_BIND_HOST,
publishBindPort: PUBLISH_BIND_PORT,
httpAddr: HTTP_API_ADDR,
httpPort: HTTP_API_PORT,
httpEnable: HTTP_API_ENABLE,
seedPeers: parseAddressList(SEED_PEERS),
peerId: PEER_ID,
creator: CREATOR,
...config
};
debug(`[${this.config.peerId}]`, 'Config', this.config);
this.myRequestAddr = new PeerAddress(
this.config.requestBindHost,
this.config.requestBindPort
);
this.myPublishAddr = new PeerAddress(
this.config.publishBindHost,
this.config.publishBindPort
);
this.pubSub = new PubSub(this);
this.requestReply = new RequestReply(this);
this.httpServer = new HttpServer(this);
this.deltaStream = new DeltaStream(this);
this.peers = new Peers(this);
this.lossless = new Lossless(this);
}
async start(syncOnStart = false) {
// Connect our lossless view to the delta stream
this.deltaStream.subscribeDeltas((delta) => this.lossless.ingestDelta(delta));
// Bind ZeroMQ publish socket
// TODO: Config option to enable zmq pubsub
await this.pubSub.startZmq();
// Bind ZeroMQ request socket
// TODO: request/reply via libp2p?
// TODO: config options to enable request/reply, or configure available commands
this.requestReply.start();
// Start HTTP server
if (this.config.httpEnable) {
this.httpServer.start();
}
{
// Wait a short time for sockets to initialize
await new Promise((resolve) => setTimeout(resolve, 500));
// Subscribe to seed peers
this.peers.subscribeToSeeds();
// Wait a short time for sockets to initialize
// await new Promise((resolve) => setTimeout(resolve, 500));
}
if (syncOnStart) {
// Ask all peers for all deltas
this.peers.askAllPeersForDeltas();
// Wait to receive all deltas
await new Promise((resolve) => setTimeout(resolve, 1000));
}
}
async stop() {
this.peers.stop();
await this.pubSub.stop();
await this.requestReply.stop();
await this.httpServer.stop();
debug(`[${this.config.peerId}]`, 'Stopped');
}
}