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package drvregistry
import (
"fmt"
"github.com/docker/docker/libnetwork/driverapi"
"github.com/docker/docker/libnetwork/ipamapi"
"github.com/docker/docker/pkg/plugingetter"
)
// DrvRegistry holds the registry of all network drivers and IPAM drivers that it knows about.
type DrvRegistry struct {
Networks
IPAMs
pluginGetter plugingetter.PluginGetter
}
var _ driverapi.DriverCallback = (*DrvRegistry)(nil)
var _ ipamapi.Callback = (*DrvRegistry)(nil)
// InitFunc defines the driver initialization function signature.
type InitFunc func(driverapi.DriverCallback, map[string]interface{}) error
// Placeholder is a type for function arguments which need to be present for Swarmkit
// to compile, but for which the only acceptable value is nil.
type Placeholder *struct{}
// New returns a new legacy driver registry.
//
// Deprecated: use the separate [Networks] and [IPAMs] registries.
func New(lDs, gDs Placeholder, dfn DriverNotifyFunc, ifn Placeholder, pg plugingetter.PluginGetter) (*DrvRegistry, error) {
return &DrvRegistry{
Networks: Networks{Notify: dfn},
pluginGetter: pg,
}, nil
}
// AddDriver adds a network driver to the registry.
//
// Deprecated: call fn(r, config) directly.
func (r *DrvRegistry) AddDriver(_ string, fn InitFunc, config map[string]interface{}) error {
return fn(r, config)
}
// IPAMDefaultAddressSpaces returns the default address space strings for the passed IPAM driver name.
//
// Deprecated: call GetDefaultAddressSpaces() on the IPAM driver.
func (r *DrvRegistry) IPAMDefaultAddressSpaces(name string) (string, string, error) {
d, _ := r.IPAM(name)
if d == nil {
return "", "", fmt.Errorf("ipam %s not found", name)
}
return d.GetDefaultAddressSpaces()
}
// GetPluginGetter returns the plugingetter
func (r *DrvRegistry) GetPluginGetter() plugingetter.PluginGetter {
return r.pluginGetter
}
// Driver returns the network driver instance registered under name, and its capability.
func (r *DrvRegistry) Driver(name string) (driverapi.Driver, *driverapi.Capability) {
d, c := r.Networks.Driver(name)
if c == (driverapi.Capability{}) {
return d, nil
}
return d, &c
}
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