hydra/src/main/services/aria2.ts

import path from "node:path";
import cp from "node:child_process";
import { app } from "electron";
import { logger } from "./logger";

export class Aria2 {
  private static process: cp.ChildProcess | null = null;

  public static spawn() {
    const binaryPath =
      process.platform === "darwin"
        ? "aria2c"
        : app.isPackaged
          ? path.join(process.resourcesPath, "aria2c")
          : path.join(__dirname, "..", "..", "binaries", "aria2c");

    this.process = cp.spawn(
      binaryPath,
      [
        "--enable-rpc",
        "--rpc-listen-all",
        "--file-allocation=none",
        "--allow-overwrite=true",
      ],
      { stdio: "inherit", windowsHide: true }
    );
  }

  public static kill() {
    if (this.process) {
      logger.log("Killing aria2 process");
      this.process.kill();
    }
  }
}