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_ASYNC_BIO 16 #define HEADER_ASYNC_BIO 17 18 #include <openssl/bio.h> 19 20 21 // AsyncBioCreate creates a filter BIO for testing asynchronous state 22 // machines which consume a stream socket. Reads and writes will fail 23 // and return EAGAIN unless explicitly allowed. Each async BIO has a 24 // read quota and a write quota. Initially both are zero. As each is 25 // incremented, bytes are allowed to flow through the BIO. 26 bssl::UniquePtr<BIO> AsyncBioCreate(); 27 28 // AsyncBioCreateDatagram creates a filter BIO for testing for 29 // asynchronous state machines which consume datagram sockets. The read 30 // and write quota count in packets rather than bytes. 31 bssl::UniquePtr<BIO> AsyncBioCreateDatagram(); 32 33 // AsyncBioAllowRead increments |bio|'s read quota by |count|. 34 void AsyncBioAllowRead(BIO *bio, size_t count); 35 36 // AsyncBioAllowWrite increments |bio|'s write quota by |count|. 37 void AsyncBioAllowWrite(BIO *bio, size_t count); 38 39 // AsyncBioEnforceWriteQuota configures where |bio| enforces its write quota. 40 void AsyncBioEnforceWriteQuota(BIO *bio, bool enforce); 41 42 43 #endif // HEADER_ASYNC_BIO 44
