Function in io::net::tcp compiler

peer_addr

fn peer_addr(Stream s) -> Result<(string, int), IoError>
Import
use io::net::tcp::{peer_addr};
Source: compiler/src/builtin_docs/io/net/tcp.hy

Returns the remote (host, port) of a connected TCP stream.

The host is an IP address; IPv6 addresses come in brackets ("[::1]"). Returns Err(IoError::InvalidInput) for a listener or a stream that is not TCP.

Parameters#

NameType
sStream

Returns#

Result<(string, int), IoError>

Examples#

use io::{IoError};
use io::net::tcp::{connect, listen, local_addr, peer_addr};
use tests::assert;
fn run() -> Result<(string, int), IoError> {
    let listener = listen("127.0.0.1", 0)?;
    let (_, port) = local_addr(listener)?;
    let client = connect("127.0.0.1", port)?;
    return peer_addr(client)?;
}

fn main() {
    let (host, _) = match run() {
        Result::Ok(addr) => addr,
        Result::Err(_) => ("", 0),
    };
    assert!(host == "127.0.0.1");
}

See also#

  • accept: Accepts one pending connection on listener without waiting.
  • connect: Opens a TCP connection to host on port.
  • connect_timeout: Opens a TCP connection to host on port, giving up after ms milliseconds.
  • listen: Opens a TCP socket listening on host and port.
  • local_addr: Returns the local (host, port) of a TCP listener or connected TCP stream.
  • set_nodelay: Turns TCP_NODELAY on or off for a TCP stream.
  • shutdown: Shuts down the reading half, the writing half, or both halves of a TCP stream.
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