59 lines
1.0 KiB
Go
59 lines
1.0 KiB
Go
package client
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import (
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"context"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
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"google.golang.org/grpc"
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)
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type streamWrapper struct {
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grpc.ClientStream
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timeout time.Duration
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cancel context.CancelFunc
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}
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func (w streamWrapper) ReadMessage(m message.Message) error {
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// Can be optimized: we can create blank message here.
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gm := m.ToGRPCMessage()
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err := w.withTimeout(func() error {
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return w.ClientStream.RecvMsg(gm)
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})
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if err != nil {
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return err
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}
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return m.FromGRPCMessage(gm)
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}
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func (w streamWrapper) WriteMessage(m message.Message) error {
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return w.withTimeout(func() error {
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return w.ClientStream.SendMsg(m.ToGRPCMessage())
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})
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}
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func (w *streamWrapper) Close() error {
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return w.withTimeout(w.ClientStream.CloseSend)
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}
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func (w *streamWrapper) withTimeout(closure func() error) error {
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ch := make(chan error, 1)
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go func() {
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ch <- closure()
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close(ch)
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}()
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tt := time.NewTimer(w.timeout)
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select {
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case err := <-ch:
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tt.Stop()
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return err
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case <-tt.C:
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w.cancel()
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return context.DeadlineExceeded
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}
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}
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