lisk-framework
Version:
Lisk blockchain application platform
83 lines • 3.25 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IPCClient = void 0;
const zeromq_1 = require("zeromq");
const ipc_socket_1 = require("./ipc_socket");
const constants_1 = require("../constants");
class IPCClient extends ipc_socket_1.IPCSocket {
constructor(options) {
super(options);
this._clientRPCSocketPath = options.rpcServerSocketPath;
this.socketPaths = {
pub: this._eventSubSocketPath,
sub: this._eventPubSocketPath,
rpcServer: this._rpcSeverSocketPath,
rpcClient: this._clientRPCSocketPath,
};
}
get rpcClient() {
if (!this._rpcClient) {
throw new Error('RPC client has not been initialized.');
}
return this._rpcClient;
}
async start() {
await super.start();
this.pubSocket = new zeromq_1.Publisher();
this.subSocket = new zeromq_1.Subscriber();
this._rpcClient = new zeromq_1.Dealer();
try {
await new Promise((resolve, reject) => {
const timeout = setTimeout(() => {
reject(new Error('IPC Pub Socket client connection timeout. Please check if IPC server is running.'));
}, constants_1.IPC_CONNECTION_TIMEOUT);
this.pubSocket.events.on('bind:error', err => {
reject(err);
});
this.pubSocket.events.on('connect', () => {
clearTimeout(timeout);
resolve();
});
this.pubSocket.connect(this._eventSubSocketPath);
});
await new Promise((resolve, reject) => {
const timeout = setTimeout(() => {
reject(new Error('IPC Sub Socket client connection timeout. Please check if IPC server is running.'));
}, constants_1.IPC_CONNECTION_TIMEOUT);
this.subSocket.events.on('bind:error', err => {
reject(err);
});
this.subSocket.events.on('connect', () => {
clearTimeout(timeout);
resolve();
});
this.subSocket.connect(this._eventPubSocketPath);
});
await new Promise((resolve, reject) => {
const timeout = setTimeout(() => {
reject(new Error('IPC Sub Socket client connection timeout. Please check if IPC server is running.'));
}, constants_1.IPC_CONNECTION_TIMEOUT);
this.rpcClient.events.on('bind:error', err => {
reject(err);
});
this.rpcClient.events.on('connect', () => {
clearTimeout(timeout);
resolve();
});
this.rpcClient.connect(this._clientRPCSocketPath);
});
}
catch (error) {
this.pubSocket.close();
this.subSocket.close();
this.rpcClient.close();
throw error;
}
}
stop() {
super.stop();
this.rpcClient.close();
}
}
exports.IPCClient = IPCClient;
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