| /* |
| * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #ifndef HEADER_PACKETED_BIO |
| #define HEADER_PACKETED_BIO |
| |
| #include "../../e_os.h" |
| #include <openssl/base.h> |
| #include <openssl/bio.h> |
| |
| // 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 |
