57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package guardiand
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import (
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"context"
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"fmt"
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"github.com/certusone/wormhole/bridge/pkg/proto/publicrpc/v1"
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"github.com/certusone/wormhole/bridge/pkg/supervisor"
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"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"net/http"
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)
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func publicrestServiceRunnable(
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logger *zap.Logger,
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listenAddr string,
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upstreamAddr string,
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) (supervisor.Runnable, error) {
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return func(ctx context.Context) error {
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conn, err := grpc.DialContext(
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ctx,
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fmt.Sprintf("unix:///%s", upstreamAddr),
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grpc.WithBlock(),
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grpc.WithInsecure())
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if err != nil {
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return fmt.Errorf("failed to dial upstream: %s", err)
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}
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gwmux := runtime.NewServeMux()
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err = publicrpcv1.RegisterPublicrpcHandler(ctx, gwmux, conn)
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if err != nil {
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panic(err)
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}
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srv := &http.Server{
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Addr: listenAddr,
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Handler: gwmux,
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}
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supervisor.Signal(ctx, supervisor.SignalHealthy)
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errC := make(chan error)
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go func() {
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logger.Info("publicrest server listening", zap.String("addr", srv.Addr))
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errC <- srv.ListenAndServe()
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}()
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select {
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case <-ctx.Done():
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// non-graceful shutdown
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if err := srv.Close(); err != nil {
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return err
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}
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return ctx.Err()
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case err := <-errC:
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return err
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}
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}, nil
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}
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