List network connections of a process

Description

For a zombie process it throws a zombie_process error.

Usage

ps_connections(p)

Arguments

Value

Data frame, or tibble if the tibble package is available, with columns:

• fd: integer file descriptor on POSIX systems, NA on Windows.

• family: Address family, string, typically AF_UNIX, AF_INET or AF_INET6.

• type: Socket type, string, typically SOCK_STREAM (TCP) or SOCK_DGRAM (UDP).

• laddr: Local address, string, NA for UNIX sockets.

• lport: Local port, integer, NA for UNIX sockets.

• raddr: Remote address, string, NA for UNIX sockets. This is always NA for AF_INET sockets on Linux.

• rport: Remote port, integer, NA for UNIX sockets.

• state: Socket state, e.g. CONN_ESTABLISHED, etc. It is NA for UNIX sockets.

Examples

p <- ps_handle()
ps_connections(p)
sc <- socketConnection("httpbin.org", port = 80)
ps_connections(p)
close(sc)
ps_connections(p)

See Also

Other process handle functions: ps_children, ps_cmdline, ps_cpu_times, ps_create_time, ps_cwd, ps_environ, ps_exe, ps_handle, ps_interrupt, ps_is_running, ps_kill, ps_memory_info, ps_name, ps_num_fds, ps_num_threads, ps_open_files, ps_pid, ps_ppid, ps_resume, ps_send_signal, ps_status, ps_suspend, ps_terminal, ps_terminate, ps_uids, ps_username