C2c Download Extra Quality Manager -

res.json( status: 'transferred', size: sourceStream.headers.get('content-length') ); ;

: Use rclone – it's the most mature C2C system available. For a custom solution, the FastAPI snippet above gives you a starting point to build your own orchestrator. c2c download manager

Unlike a standard download manager (which pulls from a single URL) or BitTorrent (which pulls from many peers), a directly transfers files from one remote content source to another without ever storing the file locally on the initiating device. Core Concept C2C = Server A → Server B (Initiated from Device C) Core Concept C2C = Server A → Server

# Stream to target (simplified PUT example) async with session.put(job.target_url, data=resp.content) as target_resp: if target_resp.status in (200, 201): jobs[job_id] = "status": "complete", "size": total else: jobs[job_id] = "status": "failed", "error": f"Target error target_resp.status" except Exception as e: jobs[job_id] = "status": "failed", "error": str(e) @app.post("/transfer") async def start_transfer(job: TransferJob, background: BackgroundTasks): job_id = str(uuid.uuid4()) jobs[job_id] = "status": "starting" background.add_task(c2c_transfer, job_id, job) return "job_id": job_id, "status": "accepted" 201): jobs[job_id] = "status": "complete"

@app.get("/transfer/job_id") async def get_status(job_id: str): return jobs.get(job_id, "status": "not_found") If you want to use C2C downloading today , these tools already implement the concept:

jobs = {}

Would you like a deeper dive into any specific protocol (S3, WebDAV, SFTP) or a complete Dockerized version of this manager?