verify_all_reachable_tcp

solana_net_utils

Function verify_all_reachable_tcp 

Source 
pub fn verify_all_reachable_tcp(
    ip_echo_server_addr: &SocketAddr,
    tcp_listeners: Vec<TcpListener>,
) -> bool
👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.
Expand description

Checks if all of the provided TCP ports are reachable by the machine at ip_echo_server_addr. Tests must complete within timeout provided. Tests will run concurrently when possible, using up to 64 threads for IO. This function assumes that all sockets are bound to the same IP, and will panic otherwise.