1 /* Copyright (c) 2014, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #ifndef HEADER_PACKETED_BIO 16 #define HEADER_PACKETED_BIO 17 18 #include <openssl/base.h> 19 #include <openssl/bio.h> 20 21 #include "../../crypto/test/scoped_types.h" 22 23 #if defined(OPENSSL_WINDOWS) 24 #pragma warning(push, 3) 25 #include <winsock2.h> 26 #pragma warning(pop) 27 #else 28 #include <sys/types.h> 29 #endif 30 31 32 // PacketedBioCreate creates a filter BIO which implements a reliable in-order 33 // blocking datagram socket. The resulting BIO, on |BIO_read|, may simulate a 34 // timeout which sets |*out_timeout| to the timeout and fails the read. 35 // |*out_timeout| must be zero on entry to |BIO_read|; it is an error to not 36 // apply the timeout before the next |BIO_read|. 37 // 38 // Note: The read timeout simulation is intended to be used with the async BIO 39 // wrapper. It doesn't simulate BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, used in DTLS's 40 // blocking mode. 41 ScopedBIO PacketedBioCreate(timeval *out_timeout); 42 43 44 #endif // HEADER_PACKETED_BIO 45