65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
import { connect } from "net";
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import { SocketProvider } from "./provider-socket.js";
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// @TODO: Is this sufficient? Is this robust? Will newlines occur between
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// all payloads and only between payloads?
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function splitBuffer(data) {
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const messages = [];
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let lastStart = 0;
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while (true) {
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const nl = data.indexOf(10, lastStart);
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if (nl === -1) {
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break;
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}
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messages.push(data.subarray(lastStart, nl).toString().trim());
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lastStart = nl + 1;
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}
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return { messages, remaining: data.subarray(lastStart) };
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}
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/**
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* An **IpcSocketProvider** connects over an IPC socket on the host
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* which provides fast access to the node, but requires the node and
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* the script run on the same machine.
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*/
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export class IpcSocketProvider extends SocketProvider {
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#socket;
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/**
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* The connected socket.
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*/
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get socket() { return this.#socket; }
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constructor(path, network, options) {
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super(network, options);
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this.#socket = connect(path);
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this.socket.on("ready", async () => {
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try {
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await this._start();
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}
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catch (error) {
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console.log("failed to start IpcSocketProvider", error);
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// @TODO: Now what? Restart?
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}
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});
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let response = Buffer.alloc(0);
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this.socket.on("data", (data) => {
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response = Buffer.concat([response, data]);
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const { messages, remaining } = splitBuffer(response);
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messages.forEach((message) => {
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this._processMessage(message);
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});
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response = remaining;
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});
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this.socket.on("end", () => {
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this.emit("close");
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this.socket.destroy();
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this.socket.end();
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});
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}
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destroy() {
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this.socket.destroy();
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this.socket.end();
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super.destroy();
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}
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async _write(message) {
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this.socket.write(message);
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}
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}
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//# sourceMappingURL=provider-ipcsocket.js.map
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