1 // Copyright 2014 The BoringSSL Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 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 40 #endif // HEADER_ASYNC_BIO 41