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- /* Copyright (c) 2018, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
- #ifndef HEADER_TEST_HANDSHAKE
- #define HEADER_TEST_HANDSHAKE
-
- #include <functional>
-
- #include <openssl/base.h>
-
- #include "settings_writer.h"
-
- // RetryAsync is called after a failed operation on |ssl| with return code
- // |ret|. If the operation should be retried, it simulates one asynchronous
- // event and returns true. Otherwise it returns false.
- bool RetryAsync(SSL *ssl, int ret);
-
- // CheckIdempotentError runs |func|, an operation on |ssl|, ensuring that
- // errors are idempotent.
- int CheckIdempotentError(const char *name, SSL *ssl, std::function<int()> func);
-
- // DoSplitHandshake delegates the SSL handshake to a separate process, called
- // the handshaker. This process proxies I/O between the handshaker and the
- // client, using the |BIO| from |ssl|. After a successful handshake, |ssl| is
- // replaced with a new |SSL| object, in a way that is intended to be invisible
- // to the caller.
- bool DoSplitHandshake(bssl::UniquePtr<SSL> *ssl, SettingsWriter *writer,
- bool is_resume);
-
- // The protocol between the proxy and the handshaker is defined by these
- // single-character prefixes.
- constexpr char kControlMsgWantRead = 'R'; // Handshaker wants data
- constexpr char kControlMsgWriteCompleted = 'W'; // Proxy has sent data
- constexpr char kControlMsgHandback = 'H'; // Proxy should resume control
- constexpr char kControlMsgError = 'E'; // Handshaker hit an error
-
- // The protocol between the proxy and handshaker uses these file descriptors.
- constexpr int kFdControl = 3; // Bi-directional dgram socket.
- constexpr int kFdProxyToHandshaker = 4; // Uni-directional pipe.
- constexpr int kFdHandshakerToProxy = 5; // Uni-directional pipe.
-
- #endif // HEADER_TEST_HANDSHAKE
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