ps_connections {ps}

List network connections of a process

Description

For a zombie process it throws a zombie_process error.

Usage

ps_connections(p = ps_handle())

Arguments

p

Process handle.

Value

Data frame, 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.

See Also

Other process handle functions: ps_children(), ps_cmdline(), ps_cpu_times(), ps_create_time(), ps_cwd(), ps_descent(), 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_shared_libs(), ps_status(), ps_suspend(), ps_terminal(), ps_terminate(), ps_uids(), ps_username()

Examples

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