| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H |
| #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <string.h> |
| |
| /* Retuns 1 if the version is supported, 0 otherwise. */ |
| int grpc_chttp2_is_alpn_version_supported(const char* version, size_t size); |
| |
| /* Returns the number of protocol versions to advertise */ |
| size_t grpc_chttp2_num_alpn_versions(void); |
| |
| /* Returns the protocol version at index i (0 <= i < |
| * grpc_chttp2_num_alpn_versions()) */ |
| const char* grpc_chttp2_get_alpn_version_index(size_t i); |
| |
| #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H */ |