Module cdns_rs::common

Structs

DnsHeader

DnsRequestAnswer

DnsRequestHeader

DnsRequestPayload

A request payload with (request) lines.

DnsResponsePayload

A response section

DnsSoa

HOST_CFG_PATH_P

RESOLV_CFG_PATH_P

StatusBits

Flags which control the status of th DNS query

Enums

DnsRdata

QClass

A two octet code that specifies the class of the query.

QDnsName

An structure for the target in request. Implements From for IpAddr, Ipv4Addr, Ipv6Addr, str In case if IP address is in the human readable ‘string’ format it will be stored as Name. And later the code will try to convert it to IP address before returing as string.

QType

A two octet code which specifies the type of the query. TYPE fields are used in resource records. Note that these types are a subset of QTYPEs. QTYPE fields appear in the question part of a query. QTYPES are a superset of TYPEs, hence all TYPEs are valid QTYPEs.

Constants

HOST_CFG_PATH

A hosts file location on disk

IPV4_BIND_ALL

Default BIND for IPv4

IPV6_BIND_ALL

Default BIND for IPv6

NSSWITCH_CFG_PATH

A nsswitch location

RESOLV_CFG_PATH

A location on the disk where resolv.conf is located

Functions

byte2hexchar

Converts a part of the octec of IP to printable hex i.e valid range is from 0 up to 15 will be converted to 0x30..0x39 and ‘a’..‘f’.

ip2pkt

Converts IpAddr to sequence of bytes coded specially for the payload of package.

ipv4_pkt

ipv6_pkt

name2pkt