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.