mirror of https://github.com/v2ray/v2ray-core
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
package common
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import "v2ray.com/core/common/errors"
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// Closable is the interface for objects that can release its resources.
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//
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// v2ray:api:beta
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type Closable interface {
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// Close release all resources used by this object, including goroutines.
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Close() error
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}
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// Interruptible is an interface for objects that can be stopped before its completion.
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//
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// v2ray:api:beta
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type Interruptible interface {
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Interrupt()
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}
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// Close closes the obj if it is a Closable.
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//
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// v2ray:api:beta
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func Close(obj interface{}) error {
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if c, ok := obj.(Closable); ok {
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return c.Close()
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}
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return nil
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}
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// Interrupt calls Interrupt() if object implements Interruptible interface, or Close() if the object implements Closable interface.
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//
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// v2ray:api:beta
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func Interrupt(obj interface{}) error {
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if c, ok := obj.(Interruptible); ok {
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c.Interrupt()
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return nil
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}
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return Close(obj)
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}
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// Runnable is the interface for objects that can start to work and stop on demand.
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type Runnable interface {
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// Start starts the runnable object. Upon the method returning nil, the object begins to function properly.
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Start() error
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Closable
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}
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// HasType is the interface for objects that knows its type.
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type HasType interface {
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// Type returns the type of the object.
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// Usually it returns (*Type)(nil) of the object.
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Type() interface{}
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}
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// ChainedClosable is a Closable that consists of multiple Closable objects.
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type ChainedClosable []Closable
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// Close implements Closable.
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func (cc ChainedClosable) Close() error {
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var errs []error
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for _, c := range cc {
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if err := c.Close(); err != nil {
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errs = append(errs, err)
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}
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}
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return errors.Combine(errs...)
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}
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