How to Async Check Port Open in Perl - Code Snippet

# Task: Async Check Port Open
# Language: Perl

sub async_check_port_open() {
    # Implementation for Async Check Port Open
    my $ result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Check Port Open
    print("Done");
}