/
registry.go
48 lines (37 loc) · 1009 Bytes
/
registry.go
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package main
import (
"sync"
"github.com/pkg/errors"
)
var (
serviceRegistry = map[string]*serviceRegistryEntry{}
serviceRegistryMutex sync.Mutex
)
type serviceRegistryEntry struct {
Name string
DocURL string
ServiceFunc func(config string) (Service, error)
}
func NewService(name, config string) (Service, error) {
serviceRegistryMutex.Lock()
defer serviceRegistryMutex.Unlock()
registryEntry, ok := serviceRegistry[name]
if !ok {
return nil, errors.Errorf("unknown service: %s", name)
}
return registryEntry.ServiceFunc(config)
}
func docURLForService(name string) string {
serviceRegistryMutex.Lock()
defer serviceRegistryMutex.Unlock()
return serviceRegistry[name].DocURL
}
func registerService(name, docURL string, serviceFunc func(config string) (Service, error)) {
serviceRegistryMutex.Lock()
defer serviceRegistryMutex.Unlock()
serviceRegistry[name] = &serviceRegistryEntry{
Name: name,
DocURL: docURL,
ServiceFunc: serviceFunc,
}
}