function::sock_fam_num2str - Linux
Overview
The function::sock_fam_num2str
command converts a numeric socket family number into its corresponding string representation. It is primarily used in network programming and system administration to provide a human-readable name for a socket family.
Syntax
function::sock_fam_num2str <socket_family_number>
<socket_family_number>
: The numeric representation of the socket family, such as1
for IPv4 or2
for IPv6.
Options/Flags
This command does not support any options or flags.
Examples
- Convert IPv4 family number to string:
function::sock_fam_num2str 1
Output: IPv4
- Convert IPv6 family number to string:
function::sock_fam_num2str 2
Output: IPv6
Common Issues
- Invalid socket family number: If the provided socket family number is not recognized, the command will return an error message.
Integration
This command can be integrated into scripts or command chains to simplify network programming tasks. For example, it can be used in conjunction with the getsockopt
command to retrieve the socket family of a given socket:
SOCKET_FAMILY=$(function::sock_fam_num2str $(getsockopt -s $SOCKET_FD SO_DOMAIN))
Related Commands
getsockopt
: Retrieves socket options, including the socket family.socket
: Creates a socket of a specified family and type.