Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/quic_blocked_writer_interface.h b/quic/core/quic_blocked_writer_interface.h
new file mode 100644
index 0000000..8193b25
--- /dev/null
+++ b/quic/core/quic_blocked_writer_interface.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This is an interface for all objects that want to be notified that
+// the underlying UDP socket is available for writing (not write blocked
+// anymore).
+
+#ifndef QUICHE_QUIC_CORE_QUIC_BLOCKED_WRITER_INTERFACE_H_
+#define QUICHE_QUIC_CORE_QUIC_BLOCKED_WRITER_INTERFACE_H_
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
+
+namespace quic {
+
+class QUIC_EXPORT_PRIVATE QuicBlockedWriterInterface {
+ public:
+ virtual ~QuicBlockedWriterInterface() {}
+
+ // Called by the PacketWriter when the underlying socket becomes writable
+ // so that the BlockedWriter can go ahead and try writing.
+ virtual void OnBlockedWriterCanWrite() = 0;
+
+ virtual bool IsWriterBlocked() const = 0;
+};
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_CORE_QUIC_BLOCKED_WRITER_INTERFACE_H_
