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speech_to_speech/connections/socket_sender.py

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+import logging
+import socket
+from queue import Empty, Queue
+from threading import Event
+
+import numpy as np
+from rich.console import Console
+
+from speech_to_speech.pipeline.control import PipelineControlMessage
+from speech_to_speech.pipeline.messages import AUDIO_RESPONSE_DONE, PIPELINE_END
+from speech_to_speech.pipeline.queue_types import AudioOutItem
+
+logger = logging.getLogger(__name__)
+
+console = Console()
+
+
+class SocketSender:
+    """
+    Handles sending generated audio packets to the clients.
+    """
+
+    def __init__(
+        self,
+        stop_event: Event,
+        queue_in: Queue[AudioOutItem],
+        should_listen: Event,
+        host: str = "0.0.0.0",
+        port: int = 12346,
+    ) -> None:
+        self.stop_event = stop_event
+        self.queue_in = queue_in
+        self.should_listen = should_listen
+        self.host = host
+        self.port = port
+
+    def run(self) -> None:
+        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self.socket.bind((self.host, self.port))
+        self.socket.listen(1)
+        logger.info("Sender waiting to be connected...")
+        self.conn, _ = self.socket.accept()
+        logger.info("sender connected")
+
+        while not self.stop_event.is_set():
+            try:
+                audio_chunk = self.queue_in.get(timeout=0.5)
+            except Empty:
+                continue
+            if isinstance(audio_chunk, PipelineControlMessage):
+                continue
+            if isinstance(audio_chunk, bytes) and audio_chunk == AUDIO_RESPONSE_DONE:
+                self.should_listen.set()
+                continue
+            payload: bytes
+            if isinstance(audio_chunk, bytes):
+                payload = audio_chunk
+            elif isinstance(audio_chunk, np.ndarray):
+                payload = audio_chunk.tobytes()
+            elif hasattr(audio_chunk, "tobytes"):
+                payload = audio_chunk.tobytes()
+            else:
+                continue
+            self.conn.sendall(payload)
+            if isinstance(audio_chunk, bytes) and audio_chunk == PIPELINE_END:
+                break
+        self.conn.close()
+        logger.info("Sender closed")