1 // Copyright 2020 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CAST_STREAMING_SENDER_MESSAGE_H_ 6 #define CAST_STREAMING_SENDER_MESSAGE_H_ 7 8 #include <memory> 9 #include <string> 10 #include <vector> 11 12 #include "absl/types/variant.h" 13 #include "cast/streaming/offer_messages.h" 14 #include "json/value.h" 15 #include "platform/base/error.h" 16 #include "util/osp_logging.h" 17 18 namespace openscreen { 19 namespace cast { 20 21 struct SenderMessage { 22 public: 23 // Receiver response message type. 24 enum class Type { 25 // Unknown message type. 26 kUnknown, 27 28 // OFFER request message. 29 kOffer, 30 31 // GET_STATUS request message. 32 kGetStatus, 33 34 // GET_CAPABILITIES request message. 35 kGetCapabilities, 36 37 // Rpc binary messages. The payload is base64-encoded. 38 kRpc, 39 }; 40 41 static ErrorOr<SenderMessage> Parse(const Json::Value& value); 42 ErrorOr<Json::Value> ToJson() const; 43 44 Type type = Type::kUnknown; 45 int32_t sequence_number = -1; 46 bool valid = false; 47 absl::variant<absl::monostate, Offer, std::string> body; 48 }; 49 50 } // namespace cast 51 } // namespace openscreen 52 53 #endif // CAST_STREAMING_SENDER_MESSAGE_H_ 54