dhcpkit.ipv6.server.message_handler module

The code to handle a message

class dhcpkit.ipv6.server.message_handler.MessageHandler(server_id: dhcpkit.ipv6.duids.DUID, sub_filters: Iterable = None, sub_handlers: Iterable = None, allow_rapid_commit: bool = False, rapid_commit_rejections: bool = False)

Bases: object

Message processing class

construct_leasequery_status_reply(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle, option: dhcpkit.ipv6.options.StatusCodeOption) → dhcpkit.ipv6.extensions.leasequery.LeasequeryReplyMessage

Construct a leasequery reply message signalling a status code to the client.

Parameters:

• bundle – The transaction bundle containing the incoming request
• option – The status code option to include in the reply

Returns:

A leasequery reply with only the bare necessities and a status code

construct_plain_status_reply(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle, option: dhcpkit.ipv6.options.StatusCodeOption) → dhcpkit.ipv6.messages.ReplyMessage

Construct a reply message signalling a status code to the client.

Parameters:

• bundle – The transaction bundle containing the incoming request
• option – The status code option to include in the reply

Returns:

A reply with only the bare necessities and a status code

construct_use_multicast_reply(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle) → Union

Construct a message signalling to the client that they should have used multicast.

Parameters:bundle – The transaction bundle containing the incoming request Returns:The proper answer to tell a client to use multicast

static get_cleanup_handlers() → List

Build a list of cleanup handlers and cache it

Returns:The list of handlers

get_handlers(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle) → List

Get all handlers that are going to be applied to the request in the bundle.

Parameters:bundle – The transaction bundle Returns:The list of handlers to apply

get_setup_handlers() → List

Build a list of setup handlers and cache it

Returns:The list of handlers

handle(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle, statistics: dhcpkit.ipv6.server.statistics.StatisticsSet)

The main dispatcher for incoming messages.

Parameters:

• bundle – The transaction bundle
• statistics – Container for shared memory with statistics counters

static init_response(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle)

Create the message object in bundle.response

Parameters:bundle – The transaction bundle

worker_init()

Separate initialisation that will be called in each worker process that is created. Things that can’t be forked (think database connections etc) have to be initialised here.