v/vlib/net/util.v

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2020-08-20 23:01:37 +02:00
module net
const (
socket_max_port = u16(0xFFFF)
)
// validate_port checks whether a port is valid
// and returns the port or an error
pub fn validate_port(port int) ?u16 {
if port <= socket_max_port {
return u16(port)
} else {
return err_port_out_of_range
}
}
// split address splits an address into its host name and its port
pub fn split_address(addr string) ?(string, u16) {
port := addr.all_after_last(':').int()
address := addr.all_before_last(':')
p := validate_port(port)?
return address, p
}