| // |
| // Copyright 2019 Google Inc. |
| // |
| // 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. |
| // |
| |
| #import <Foundation/Foundation.h> |
| |
| #ifndef EDOCHANNEL_UTIL_H_ |
| #define EDOCHANNEL_UTIL_H_ |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| /** Gets the size of the frame header. */ |
| size_t EDOGetPayloadHeaderSize(void); |
| |
| /** Gets the size of the payload from the frame header. */ |
| size_t EDOGetPayloadSizeFromFrameData(dispatch_data_t data); |
| |
| /** |
| * Creates @c dispatch_data_t from NSData that has the frame header and is ready to be sent. |
| * |
| * @param data The data to be sent. |
| * @param queue The dispatch queue on which to release the @c data. |
| * |
| * @return The dispatch data containing the frame header and the given data. |
| */ |
| dispatch_data_t EDOBuildFrameFromDataWithQueue(NSData *data, dispatch_queue_t queue); |
| |
| #if defined(__cplusplus) |
| } // extern "C" |
| #endif |
| |
| #endif |
