1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <memory> 20 #include <vector> 21 22 #include <json/json.h> 23 24 #include <api/peer_connection_interface.h> 25 26 #include "common/libs/utils/result.h" 27 28 namespace cuttlefish { 29 namespace webrtc_streaming { 30 31 // Parses a session description object from a JSON message. 32 Result<std::unique_ptr<webrtc::SessionDescriptionInterface>> 33 ParseSessionDescription(const std::string& type, const Json::Value& message, 34 webrtc::SdpType sdp_type); 35 36 // Parses an IceCandidate from a JSON message. 37 Result<std::unique_ptr<webrtc::IceCandidateInterface>> ParseIceCandidate( 38 const std::string& type, const Json::Value& message); 39 40 // Parses a JSON error message. 41 Result<std::string> ParseError(const std::string& type, 42 const Json::Value& message); 43 44 // Checks if the message contains an "ice_servers" array field and parses it 45 // into a vector of webrtc ICE servers. Returns an empty vector if the field 46 // isn't present. 47 Result<std::vector<webrtc::PeerConnectionInterface::IceServer>> 48 ParseIceServersMessage(const Json::Value& message); 49 50 // Generates a JSON message from a list of ICE servers. 51 Json::Value GenerateIceServersMessage( 52 const std::vector<webrtc::PeerConnectionInterface::IceServer>& ice_servers); 53 54 } // namespace webrtc_streaming 55 } // namespace cuttlefish 56