3c0c5ed4e0
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
50 lines
869 B
Go
50 lines
869 B
Go
package mech
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import (
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"fmt"
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"sync"
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log "github.com/golang/glog"
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)
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var (
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mechLock sync.Mutex
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supportedMechs = make(map[string]Factory)
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)
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func Register(name string, f Factory) error {
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mechLock.Lock()
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defer mechLock.Unlock()
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if _, found := supportedMechs[name]; found {
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return fmt.Errorf("Mechanism registered twice: %s", name)
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}
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supportedMechs[name] = f
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log.V(1).Infof("Registered mechanism %s", name)
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return nil
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}
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func ListSupported() (list []string) {
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mechLock.Lock()
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defer mechLock.Unlock()
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for mechname := range supportedMechs {
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list = append(list, mechname)
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}
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return list
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}
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func SelectSupported(mechanisms []string) (selectedMech string, factory Factory) {
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mechLock.Lock()
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defer mechLock.Unlock()
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for _, m := range mechanisms {
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if f, ok := supportedMechs[m]; ok {
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selectedMech = m
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factory = f
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break
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}
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}
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return
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}
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