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- /* Copyright (c) 2014, 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_PACKETED_BIO
- #define HEADER_PACKETED_BIO
-
- #include <openssl/base.h>
- #include <openssl/bio.h>
-
- #if defined(OPENSSL_WINDOWS)
- OPENSSL_MSVC_PRAGMA(warning(push, 3))
- #include <winsock2.h>
- OPENSSL_MSVC_PRAGMA(warning(pop))
- #else
- #include <sys/time.h>
- #endif
-
-
- // PacketedBioCreate creates a filter BIO which implements a reliable in-order
- // blocking datagram socket. It internally maintains a clock and honors
- // |BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT| based on it.
- //
- // During a |BIO_read|, the peer may signal the filter BIO to simulate a
- // timeout. If |advance_clock| is true, it automatically advances the clock and
- // continues reading, subject to the read deadline. Otherwise, it fails
- // immediately. The caller must then call |PacketedBioAdvanceClock| before
- // retrying |BIO_read|.
- bssl::UniquePtr<BIO> PacketedBioCreate(bool advance_clock);
-
- // PacketedBioGetClock returns the current time for |bio|.
- timeval PacketedBioGetClock(const BIO *bio);
-
- // PacketedBioAdvanceClock advances |bio|'s internal clock and returns true if
- // there is a pending timeout. Otherwise, it returns false.
- bool PacketedBioAdvanceClock(BIO *bio);
-
-
- #endif // HEADER_PACKETED_BIO
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