improve backward compatibility and fix minor bugs
This commit is contained in:
parent
cb8bc31517
commit
0097e71e29
481
src/server.py
481
src/server.py
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@ -148,7 +148,9 @@ file_size = os.stat(fn).st_size
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print(f"[init:video] File size: {file_size} bytes (~{round(file_size/1024/1024, 2)} MB)")
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print("[init:video] Computing checksum... (might take some time)")
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file_hash = hashlib.file_digest(open(fn, 'rb'), 'sha256').hexdigest()
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with open(fn, 'rb') as f:
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file_hash = hashlib.sha256(f.read()).hexdigest()
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#file_hash = hashlib.file_digest(open(fn, 'rb'), 'sha256').hexdigest()
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print(f"[init:video] Checksum for the file: {file_hash}")
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total_chunk_amount = math.ceil(duration / chunk_length)
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@ -222,291 +224,290 @@ def connection_processor(conn, addr):
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print(f"[{addr[0]}:{addr[1]} - parser] Received command: {' '.join(header)}")
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match header[0]:
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case "DEBUG":
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with lock:
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conn.send(f"DEBUG\nCHUNKS {str(chunk_queue)}\n".encode("UTF-8"))
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case "HASH":
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conn.send(f"HASH {file_hash}\n".encode("UTF-8"))
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case "SIZE":
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conn.send(f"SIZE {file_size}\n".encode("UTF-8"))
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case "URL":
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conn.send(f"URL {video_url}\n".encode("UTF-8"))
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case "SCRIPT":
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conn.send(f"SCRIPT {script_url}\n".encode("UTF-8"))
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case "NEXT":
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with lock:
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next_chunk = chunk_queue.next_wanted()
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if next_chunk:
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new_worker = Worker(next_worker_id, addr)
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next_worker_id += 1
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if header[0] == "DEBUG":
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with lock:
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conn.send(f"DEBUG\nCHUNKS {str(chunk_queue)}\n".encode("UTF-8"))
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elif header[0] == "HASH":
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conn.send(f"HASH {file_hash}\n".encode("UTF-8"))
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elif header[0] == "SIZE":
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conn.send(f"SIZE {file_size}\n".encode("UTF-8"))
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elif header[0] == "URL":
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conn.send(f"URL {video_url}\n".encode("UTF-8"))
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elif header[0] == "SCRIPT":
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conn.send(f"SCRIPT {script_url}\n".encode("UTF-8"))
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elif header[0] == "NEXT":
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with lock:
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next_chunk = chunk_queue.next_wanted()
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if next_chunk:
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new_worker = Worker(next_worker_id, addr)
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next_worker_id += 1
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next_chunk.add_worker(new_worker)
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next_chunk.add_worker(new_worker)
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conn.send(f"CHUNK {file_hash} {next_chunk.seq_id} {next_chunk.start} {next_chunk.length} {RECOMMENDED_PING_INTERVAL} {new_worker.id}\n".encode("UTF-8"))
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conn.send(f"CHUNK {file_hash} {next_chunk.seq_id} {next_chunk.start} {next_chunk.length} {RECOMMENDED_PING_INTERVAL} {new_worker.id}\n".encode("UTF-8"))
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else:
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if chunk_queue.processing_finished():
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conn.send("FINISH\n".encode("UTF-8"))
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else:
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if chunk_queue.processing_finished():
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conn.send("FINISH\n".encode("UTF-8"))
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else:
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conn.send(f"WAIT {CHUNK_CHECK_INTERVAL}")
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case "PING":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - PING] Hash mismatch: expected {file_hash}, got {header[1]}")
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conn.send(f"WAIT {CHUNK_CHECK_INTERVAL}\n".encode("UTF-8"))
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elif header[0] == "PING":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - PING] Hash mismatch: expected {file_hash}, got {header[1]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - PING] invalid seq_id: not an int (got {header[2]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - PING] invalid worker_id: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - PING] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - PING] invalid seq_id: not an int (got {header[2]} instead)")
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worker = chunk.get_worker_by_id(int(header[3]))
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - PING] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - PING] invalid worker_id: not an int (got {header[3]} instead)")
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if worker.endpoint != addr:
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print(f"[{addr[0]}:{addr[1]} - PING] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
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worker.endpoint = addr
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worker.update_timestamp()
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if chunk.done:
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status = "done"
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else:
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status = "waiting"
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conn.send(f"PONG {status}\n".encode("UTF-8"))
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elif header[0] == "UPLOAD":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Hash mismatch: expected {file_hash}, got {header[1]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: not an int (got {header[2]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[4].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid chunk_size: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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worker = chunk.get_worker_by_id(int(header[3]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - PING] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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worker = chunk.get_worker_by_id(int(header[3]))
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - PING] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if worker.endpoint != addr:
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print(f"[{addr[0]}:{addr[1]} - PING] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
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worker.endpoint = addr
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worker.update_timestamp()
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if chunk.done:
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status = "done"
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else:
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status = "waiting"
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conn.send(f"PONG {status}\n".encode("UTF-8"))
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case "UPLOAD":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Hash mismatch: expected {file_hash}, got {header[1]}")
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: not an int (got {header[2]} instead)")
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if worker.endpoint != addr:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
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worker.endpoint = addr
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worker.update_timestamp()
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conn.send(f"ACCEPT\n".encode("UTF-8"))
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remaining_data = int(header[4])
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conn.settimeout(CONNECTION_TIMEOUT_DURING_LOCK)
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with open(f"chunks/{header[2]}-{header[3]}.mkv", "wb") as f:
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while remaining_data:
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new_data = conn.recv(remaining_data)
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if len(new_data) == 0:
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connection_alive = False
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conn.close()
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break
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f.write(new_data)
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remaining_data -= len(new_data)
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conn.settimeout(SERVER_SOCKET_TIMEOUT)
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conn.send("ACCEPTED\n".encode("UTF-8"))
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open("ready.txt", "a").write(f"{header[2]}\n")
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chunk.done = True
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elif header[0] == "REUPLOAD":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Hash mismatch: expected {file_hash}, got {header[1]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: not an int (got {header[2]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[4].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid chunk_size: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: not an int (got {header[3]} instead)")
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worker = chunk.get_worker_by_id(int(header[3]))
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[4].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid chunk_size: not an int (got {header[3]} instead)")
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if worker.endpoint != addr:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
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worker.endpoint = addr
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worker.update_timestamp()
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if os.path.exists(f"chunks/{header[2]}-{header[3]}.mkv"):
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current_size = os.stat(f"chunks/{header[2]}-{header[3]}.mkv").st_size
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else:
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current_size = 0
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conn.send(f"RESUME {current_size}\n".encode("UTF-8"))
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remaining_data = int(header[4]) - current_size
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conn.settimeout(CONNECTION_TIMEOUT_DURING_LOCK)
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with open(f"chunks/{header[2]}-{header[3]}.mkv", "wb") as f:
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while remaining_data:
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new_data = conn.recv(remaining_data)
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if len(new_data) == 0:
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connection_alive = False
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conn.close()
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break
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f.write(new_data)
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remaining_data -= len(new_data)
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conn.settimeout(SERVER_SOCKET_TIMEOUT)
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conn.send("ACCEPTED\n".encode("UTF-8"))
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open("ready.txt", "a").write(f"{header[2]}\n")
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chunk.done = True
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elif header[0] == "ABORT":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - ABORT] Hash mismatch: expected {file_hash}, got {header[1]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - ABORT] invalid seq_id: not an int (got {header[2]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[3].isdigit():
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print(f"[{addr[0]}:{addr[1]} - ABORT] invalid worker_id: not an int (got {header[3]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - ABORT] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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with lock:
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chunk = chunk_queue.get_chunk_by_id(int(header[2]))
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worker = chunk.get_worker_by_id(int(header[3]))
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if not chunk:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: no chunk with id {header[2]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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worker = chunk.get_worker_by_id(int(header[3]))
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if worker.endpoint != addr:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
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worker.endpoint = addr
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worker.update_timestamp()
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conn.send(f"ACCEPT\n".encode("UTF-8"))
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remaining_data = int(header[4])
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conn.settimeout(CONNECTION_TIMEOUT_DURING_LOCK)
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with open(f"chunks/{header[2]}-{header[3]}.mkv", "wb") as f:
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while remaining_data:
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new_data = conn.recv(remaining_data)
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if len(new_data) == 0:
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connection_alive = False
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conn.close()
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break
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f.write(new_data)
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remaining_data -= len(new_data)
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conn.settimeout(SERVER_SOCKET_TIMEOUT)
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conn.send("ACCEPTED\n".encode("UTF-8"))
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open("ready.txt", "a").write(f"{header[2]}\n")
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chunk.done = True
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case "REUPLOAD":
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if file_hash != header[1]:
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] Hash mismatch: expected {file_hash}, got {header[1]}")
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if not worker:
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print(f"[{addr[0]}:{addr[1]} - ABORT] invalid worker_id: no worker with id {header[3]}")
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conn.send("RESET\n".encode("UTF-8"))
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conn.close()
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connection_alive = False
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break
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if not header[2].isdigit():
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print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: not an int (got {header[2]} instead)")
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conn.send("RESET\n".encode("UTF-8"))
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||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
if worker.endpoint != addr:
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
|
||||
worker.endpoint = addr
|
||||
|
||||
if not header[3].isdigit():
|
||||
print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: not an int (got {header[3]} instead)")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
if not header[4].isdigit():
|
||||
print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid chunk_size: not an int (got {header[3]} instead)")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
with lock:
|
||||
chunk = chunk_queue.get_chunk_by_id(int(header[2]))
|
||||
|
||||
if not chunk:
|
||||
print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid seq_id: no chunk with id {header[2]}")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
worker = chunk.get_worker_by_id(int(header[3]))
|
||||
|
||||
if not worker:
|
||||
print(f"[{addr[0]}:{addr[1]} - UPLOAD] invalid worker_id: no worker with id {header[3]}")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
if worker.endpoint != addr:
|
||||
print(f"[{addr[0]}:{addr[1]} - UPLOAD] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
|
||||
worker.endpoint = addr
|
||||
|
||||
worker.update_timestamp()
|
||||
|
||||
if os.path.exists(f"chunks/{header[2]}-{header[3]}.mkv"):
|
||||
current_size = os.stat(f"chunks/{header[2]}-{header[3]}.mkv").st_size
|
||||
else:
|
||||
current_size = 0
|
||||
|
||||
conn.send(f"RESUME {current_size}\n".encode("UTF-8"))
|
||||
|
||||
remaining_data = int(header[4]) - current_size
|
||||
conn.settimeout(CONNECTION_TIMEOUT_DURING_LOCK)
|
||||
with open(f"chunks/{header[2]}-{header[3]}.mkv", "wb") as f:
|
||||
while remaining_data:
|
||||
new_data = conn.recv(remaining_data)
|
||||
|
||||
if len(new_data) == 0:
|
||||
connection_alive = False
|
||||
conn.close()
|
||||
break
|
||||
|
||||
f.write(new_data)
|
||||
remaining_data -= len(new_data)
|
||||
|
||||
conn.settimeout(SERVER_SOCKET_TIMEOUT)
|
||||
conn.send("ACCEPTED\n".encode("UTF-8"))
|
||||
|
||||
open("ready.txt", "a").write(f"{header[2]}\n")
|
||||
chunk.done = True
|
||||
case "ABORT":
|
||||
if file_hash != header[1]:
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Hash mismatch: expected {file_hash}, got {header[1]}")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
if not header[2].isdigit():
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] invalid seq_id: not an int (got {header[2]} instead)")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
if not header[3].isdigit():
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] invalid worker_id: not an int (got {header[3]} instead)")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
with lock:
|
||||
chunk = chunk_queue.get_chunk_by_id(int(header[2]))
|
||||
|
||||
if not chunk:
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] invalid seq_id: no chunk with id {header[2]}")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
worker = chunk.get_worker_by_id(int(header[3]))
|
||||
|
||||
if not worker:
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] invalid worker_id: no worker with id {header[3]}")
|
||||
conn.send("RESET\n".encode("UTF-8"))
|
||||
conn.close()
|
||||
connection_alive = False
|
||||
break
|
||||
|
||||
if worker.endpoint != addr:
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Warning: worker {worker.id} for chunk {chunk.seq_id} changed it's endpoint ({worker.endpoint[0]}:{worker.endpoint[1]} -> {addr[0]}:{addr[1]})")
|
||||
worker.endpoint = addr
|
||||
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Removing worker {worker.id} from chunk {chunk.seq_id}, leaving chunk with {len(chunk.assigned_workers)} workers")
|
||||
chunk.remove_worker(worker)
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Updated chunk {chunk.seq_id}, it is now \"{chunk.status()}\"")
|
||||
case _:
|
||||
conn.send("UNSUPPORTED\n".encode("UTF-8"))
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Removing worker {worker.id} from chunk {chunk.seq_id}, leaving chunk with {len(chunk.assigned_workers)} workers")
|
||||
chunk.remove_worker(worker)
|
||||
print(f"[{addr[0]}:{addr[1]} - ABORT] Updated chunk {chunk.seq_id}, it is now \"{chunk.status()}\"")
|
||||
else:
|
||||
conn.send("UNSUPPORTED\n".encode("UTF-8"))
|
||||
|
||||
|
||||
print(f"[init:network] Listening on {sys.argv[4]}")
|
||||
|
|
|
|||
Loading…
Reference in New Issue