#pragma once

#include "source/common/common/thread.h"

namespace Envoy {

namespace Grpc {

// Captures global grpc initialization and shutdown. Note that grpc

// initialization starts several threads, so it is a little annoying to run them

// alongside unrelated tests, particularly if they are trying to track memory

// usage, or you are exploiting otherwise consistent run-to-run pointer values

// during debug.

//

// Instantiating this class makes it easy to ensure classes that depend on grpc

// libraries get them initialized.

class GoogleGrpcContext {

public:

  GoogleGrpcContext();

  ~GoogleGrpcContext();

private:

  struct InstanceTracker {

    Thread::MutexBasicLockable mutex_;

    uint64_t live_instances_ ABSL_GUARDED_BY(mutex_) = 0;

  };

  static InstanceTracker& instanceTracker();

  InstanceTracker& instance_tracker_;

};

} // namespace Grpc

} // namespace Envoy