62 строки
1.1 KiB
Go
62 строки
1.1 KiB
Go
// Copyright 2017 Microsoft. All rights reserved.
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// MIT License
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package ipam
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import (
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"net"
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)
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// Null IPAM configuration source.
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type nullSource struct {
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name string
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sink addressConfigSink
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initialized bool
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}
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// Creates the null source.
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func newNullSource() (*nullSource, error) {
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return &nullSource{
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name: "Null",
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}, nil
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}
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// Starts the null source.
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func (s *nullSource) start(sink addressConfigSink) error {
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s.sink = sink
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return nil
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}
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// Stops the null source.
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func (s *nullSource) stop() {
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s.sink = nil
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}
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// Refreshes configuration.
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func (s *nullSource) refresh() error {
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// Initialize once.
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if s.initialized {
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return nil
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}
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s.initialized = true
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// Configure the local default address space.
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local, err := s.sink.newAddressSpace(LocalDefaultAddressSpaceId, LocalScope)
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if err != nil {
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return err
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}
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subnet := net.IPNet{
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IP: net.IPv4(0, 0, 0, 0),
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Mask: net.IPv4Mask(0, 0, 0, 0),
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}
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_, err = local.newAddressPool("", 0, &subnet)
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if err != nil {
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return err
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}
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// Set the local address space as active.
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return s.sink.setAddressSpace(local)
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}
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