For a zombie process it throws a zombie_process error.
ps_connections(p = ps_handle())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.
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()
p <- ps_handle()
ps_connections(p)
#> # A data frame: 4 × 8
#> fd family type laddr lport raddr rport state
#> <int> <chr> <chr> <chr> <int> <chr> <int> <chr>
#> 1 2 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 2 1 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 3 15 AF_INET SOCK_STREAM 10.2.77.112 34640 3.160.5.83 80 CONN_ESTABLISHED
#> 4 14 AF_INET SOCK_STREAM 10.2.77.112 57426 3.160.5.3 443 CONN_ESTABLISHED
sc <- socketConnection("httpbin.org", port = 80)
ps_connections(p)
#> # A data frame: 5 × 8
#> fd family type laddr lport raddr rport state
#> <int> <chr> <chr> <chr> <int> <chr> <int> <chr>
#> 1 2 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 2 1 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 3 17 AF_INET SOCK_STREAM 10.2.77.112 39430 35.171.138.34 80 CONN_ESTABLIS…
#> 4 15 AF_INET SOCK_STREAM 10.2.77.112 34640 3.160.5.83 80 CONN_ESTABLIS…
#> 5 14 AF_INET SOCK_STREAM 10.2.77.112 57426 3.160.5.3 443 CONN_ESTABLIS…
close(sc)
ps_connections(p)
#> # A data frame: 4 × 8
#> fd family type laddr lport raddr rport state
#> <int> <chr> <chr> <chr> <int> <chr> <int> <chr>
#> 1 2 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 2 1 AF_UNIX SOCK_STREAM NA NA NA NA NA
#> 3 15 AF_INET SOCK_STREAM 10.2.77.112 34640 3.160.5.83 80 CONN_ESTABLISHED
#> 4 14 AF_INET SOCK_STREAM 10.2.77.112 57426 3.160.5.3 443 CONN_ESTABLISHED