netModule
Network utility functions.
This module provides helper functions for network-related operations, primarily for converting between string and integer representations of IPv4 addresses.Functions
| aton (addr) | Converts an IPv4 address string to its integer representation. |
| ntoa (ip) | Converts an integer representation of an IPv4 address to its string form. |
Functions in detail
- aton (addr)
-
Converts an IPv4 address string to its integer representation.
“Address to Number”
Parameters
- addr (string) The IPv4 address string, four decimal octets from 0 to 255 joined by dots, with no leading zero (e.g., “127.0.0.1”).
Returns
-
(number) The IPv4 address as an integer.
Raises
“invalid IPv4 address” for any other string.Usage
local ip_int = net.aton("192.168.1.1")
- ntoa (ip)
-
Converts an integer representation of an IPv4 address to its string form.
“Number to Address”
Parameters
- ip (number) The IPv4 address as an integer.
Returns
-
(string) The IPv4 address string (e.g., “127.0.0.1”).
Usage
local ip_str = net.ntoa(3232235777) -- "192.168.1.1"