35 lines
646 B
Go
35 lines
646 B
Go
// Package grpcshutdown centralizes gRPC draining semantics for all services.
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package grpcshutdown
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import (
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"time"
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"google.golang.org/grpc"
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)
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const defaultTimeout = 15 * time.Second
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// GracefulStop waits for in-flight RPCs to finish, then falls back to Stop so a
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// wedged client stream cannot block deploy shutdown forever.
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func GracefulStop(server *grpc.Server, timeout time.Duration) {
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if server == nil {
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return
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}
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if timeout <= 0 {
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timeout = defaultTimeout
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}
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done := make(chan struct{})
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go func() {
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server.GracefulStop()
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close(done)
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}()
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select {
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case <-done:
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case <-time.After(timeout):
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server.Stop()
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<-done
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}
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}
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