Use ipc instead of tcp

frigate/comms/config_updater.py

@@ -1,25 +1,21 @@
 """Facilitates communication between processes."""
 
 import multiprocessing as mp
-import os
 from multiprocessing.synchronize import Event as MpEvent
 from typing import Optional
 
 import zmq
 
-from frigate.const import PORT_INTER_PROCESS_CONFIG
+SOCKET_PUB_SUB = "ipc:///tmp/cache/config"
 
 
 class ConfigPublisher:
     """Publishes config changes to different processes."""
 
     def __init__(self) -> None:
-        INTER_PROCESS_CONFIG_PORT = (
-            os.environ.get("INTER_PROCESS_CONFIG_PORT") or PORT_INTER_PROCESS_CONFIG
-        )
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.PUB)
-        self.socket.bind(f"tcp://127.0.0.1:{INTER_PROCESS_CONFIG_PORT}")
+        self.socket.bind(SOCKET_PUB_SUB)
         self.stop_event: MpEvent = mp.Event()
 
     def publish(self, topic: str, payload: any) -> None:
@@ -37,11 +33,10 @@ class ConfigSubscriber:
     """Simplifies receiving an updated config."""
 
     def __init__(self, topic: str) -> None:
-        port = os.environ.get("INTER_PROCESS_CONFIG_PORT") or PORT_INTER_PROCESS_CONFIG
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.SUB)
         self.socket.setsockopt_string(zmq.SUBSCRIBE, topic)
-        self.socket.connect(f"tcp://127.0.0.1:{port}")
+        self.socket.connect(SOCKET_PUB_SUB)
 
     def check_for_update(self) -> Optional[tuple[str, any]]:
         """Returns updated config or None if no update."""

frigate/comms/detections_updater.py

@@ -1,18 +1,14 @@
 """Facilitates communication between processes."""
 
-import os
 import threading
 from enum import Enum
 from typing import Optional
 
 import zmq
 
-from frigate.const import (
-    PORT_INTER_PROCESS_DETECTION_PUB,
-    PORT_INTER_PROCESS_DETECTION_SUB,
-)
-
 SOCKET_CONTROL = "inproc://control.detections_updater"
+SOCKET_PUB = "ipc:///tmp/cache/detect_pub"
+SOCKET_SUB = "ipc:///tmp/cache/detect_sun"
 
 
 class DetectionTypeEnum(str, Enum):
@@ -29,21 +25,13 @@ class DetectionProxyRunner(threading.Thread):
 
     def run(self) -> None:
         """Run the proxy."""
-        PUB_PORT = (
-            os.environ.get("INTER_PROCESS_DETECTION_PUB_PORT")
-            or PORT_INTER_PROCESS_DETECTION_PUB
-        )
-        SUB_PORT = (
-            os.environ.get("INTER_PROCESS_DETECTION_SUB_PORT")
-            or PORT_INTER_PROCESS_DETECTION_SUB
-        )
         control = self.context.socket(zmq.SUB)
         control.connect(SOCKET_CONTROL)
         control.setsockopt_string(zmq.SUBSCRIBE, "")
         incoming = self.context.socket(zmq.XSUB)
-        incoming.bind(f"tcp://127.0.0.1:{PUB_PORT}")
+        incoming.bind(SOCKET_PUB)
         outgoing = self.context.socket(zmq.XPUB)
-        outgoing.bind(f"tcp://127.0.0.1:{SUB_PORT}")
+        outgoing.bind(SOCKET_SUB)
 
         zmq.proxy_steerable(
             incoming, outgoing, None, control
@@ -72,14 +60,10 @@ class DetectionPublisher:
     """Simplifies receiving video and audio detections."""
 
     def __init__(self, topic: DetectionTypeEnum) -> None:
-        port = (
-            os.environ.get("INTER_PROCESS_DETECTIONS_PORT")
-            or PORT_INTER_PROCESS_DETECTION_PUB
-        )
         self.topic = topic
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.PUB)
-        self.socket.connect(f"tcp://127.0.0.1:{port}")
+        self.socket.connect(SOCKET_PUB)
 
     def send_data(self, payload: any) -> None:
         """Publish detection."""
@@ -95,14 +79,10 @@ class DetectionSubscriber:
     """Simplifies receiving video and audio detections."""
 
     def __init__(self, topic: DetectionTypeEnum) -> None:
-        port = (
-            os.environ.get("INTER_PROCESS_DETECTIONS_PORT")
-            or PORT_INTER_PROCESS_DETECTION_SUB
-        )
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.SUB)
         self.socket.setsockopt_string(zmq.SUBSCRIBE, topic.value)
-        self.socket.connect(f"tcp://127.0.0.1:{port}")
+        self.socket.connect(SOCKET_SUB)
 
     def get_data(self, timeout: float = None) -> Optional[tuple[str, any]]:
         """Returns detections or None if no update."""

frigate/comms/inter_process.py

@@ -1,7 +1,6 @@
 """Facilitates communication between processes."""
 
 import multiprocessing as mp
-import os
 import threading
 from multiprocessing.synchronize import Event as MpEvent
 from typing import Callable
@@ -9,17 +8,15 @@ from typing import Callable
 import zmq
 
 from frigate.comms.dispatcher import Communicator
-from frigate.const import PORT_INTER_PROCESS_COMM
+
+SOCKET_REP_REQ = "ipc:///tmp/cache/comms"
 
 
 class InterProcessCommunicator(Communicator):
     def __init__(self) -> None:
-        INTER_PROCESS_COMM_PORT = (
-            os.environ.get("INTER_PROCESS_COMM_PORT") or PORT_INTER_PROCESS_COMM
-        )
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.REP)
-        self.socket.bind(f"tcp://127.0.0.1:{INTER_PROCESS_COMM_PORT}")
+        self.socket.bind(SOCKET_REP_REQ)
         self.stop_event: MpEvent = mp.Event()
 
     def publish(self, topic: str, payload: str, retain: bool) -> None:
@@ -62,10 +59,9 @@ class InterProcessRequestor:
     """Simplifies sending data to InterProcessCommunicator and getting a reply."""
 
     def __init__(self) -> None:
-        port = os.environ.get("INTER_PROCESS_COMM_PORT") or PORT_INTER_PROCESS_COMM
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.REQ)
-        self.socket.connect(f"tcp://127.0.0.1:{port}")
+        self.socket.connect(SOCKET_REP_REQ)
 
     def send_data(self, topic: str, data: any) -> any:
         """Sends data and then waits for reply."""

frigate/const.py

@@ -57,13 +57,6 @@ DRIVER_AMD = "radeonsi"
 DRIVER_INTEL_i965 = "i965"
 DRIVER_INTEL_iHD = "iHD"
 
-# Ports
-
-PORT_INTER_PROCESS_COMM = 4892
-PORT_INTER_PROCESS_CONFIG = 4893
-PORT_INTER_PROCESS_DETECTION_PUB = 4894
-PORT_INTER_PROCESS_DETECTION_SUB = 4895
-
 # Record Values
 
 CACHE_SEGMENT_FORMAT = "%Y%m%d%H%M%S%z"