def compose_socket_options()

in azure-kusto-data/azure/kusto/data/client.py [0:0]

• 35 lines of code
• 17 McCabe index (conditional complexity)

    def compose_socket_options() -> List[Tuple[int, int, int]]:
        # Sends TCP Keep-Alive after MAX_IDLE_SECONDS seconds of idleness, once every INTERVAL_SECONDS seconds, and closes the connection after MAX_FAILED_KEEPALIVES failed pings (e.g. 20 => 1:00:30)
        MAX_IDLE_SECONDS = 30
        INTERVAL_SECONDS = 180  # Corresponds to Azure Load Balancer Service 4 minute timeout, with 1 minute of slack
        MAX_FAILED_KEEPALIVES = 20

        if (
            sys.platform == "linux"
            and hasattr(socket, "SOL_SOCKET")
            and hasattr(socket, "SO_KEEPALIVE")
            and hasattr(socket, "TCP_KEEPIDLE")
            and hasattr(socket, "TCP_KEEPINTVL")
            and hasattr(socket, "TCP_KEEPCNT")
        ):
            return [
                (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
                (socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, MAX_IDLE_SECONDS),
                (socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, INTERVAL_SECONDS),
                (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, MAX_FAILED_KEEPALIVES),
            ]
        elif (
            sys.platform == "win32"
            and hasattr(socket, "SOL_SOCKET")
            and hasattr(socket, "SO_KEEPALIVE")
            and hasattr(socket, "TCP_KEEPIDLE")
            and hasattr(socket, "TCP_KEEPCNT")
        ):
            return [
                (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
                (socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, MAX_IDLE_SECONDS),
                (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, MAX_FAILED_KEEPALIVES),
            ]
        elif sys.platform == "darwin" and hasattr(socket, "SOL_SOCKET") and hasattr(socket, "SO_KEEPALIVE") and hasattr(socket, "IPPROTO_TCP"):
            TCP_KEEPALIVE = 0x10
            return [(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1), (socket.IPPROTO_TCP, TCP_KEEPALIVE, INTERVAL_SECONDS)]
        else:
            return []