def open_proc_connector_socket()

in github-runner-ami/packer/files/runner-supervisor.py [0:0]

• 3 lines of code
• 1 McCabe index (conditional complexity)

    def open_proc_connector_socket(self) -> socket.socket:
        """Open and set up a socket connected to the kernel's Proc Connector event stream

        This uses the Netlink family of socket, the Connector message type and the proc_event connector to get
        send a (UDP) message whenever a process starts or exits.

        We use this mechansim to get notified when processes start or stop, so we can watch for the
        "Runner.Worker" and enable/disable termination protection.
        """

        class bpf_insn(ctypes.Structure):
            """"The BPF instruction data structure"""