/**
 * Standalone signaling server for the Nextcloud Spreed app.
 * Copyright (C) 2022 struktur AG
 *
 * @author Joachim Bauch <bauch@struktur.de>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
syntax = "proto3";

option go_package = "github.com/strukturag/nextcloud-spreed-signaling;signaling";

package signaling;

service RpcSessions {
  rpc LookupResumeId(LookupResumeIdRequest) returns (LookupResumeIdReply) {}
  rpc LookupSessionId(LookupSessionIdRequest) returns (LookupSessionIdReply) {}
  rpc IsSessionInCall(IsSessionInCallRequest) returns (IsSessionInCallReply) {}
  rpc GetInternalSessions(GetInternalSessionsRequest) returns (GetInternalSessionsReply) {}
  rpc ProxySession(stream ClientSessionMessage) returns (stream ServerSessionMessage) {}
}

message LookupResumeIdRequest {
  string resumeId = 1;
}

message LookupResumeIdReply {
  string sessionId = 1;
}

message LookupSessionIdRequest {
  string roomSessionId = 1;
  // Optional: set if the session should be disconnected with a given reason.
  string disconnectReason = 2;
}

message LookupSessionIdReply {
  string sessionId = 1;
}

message IsSessionInCallRequest {
  string sessionId = 1;
  string roomId = 2;
  string backendUrl = 3;
}

message IsSessionInCallReply {
  bool inCall = 1;
}

message GetInternalSessionsRequest {
  string roomId = 1;
  string backendUrl = 2;
}

message InternalSessionData {
  string sessionId = 1;
  uint32 inCall = 2;
  repeated string features = 3;
}

message VirtualSessionData {
  string sessionId = 1;
  uint32 inCall = 2;
}

message GetInternalSessionsReply {
  repeated InternalSessionData internalSessions = 1;
  repeated VirtualSessionData virtualSessions = 2;
}

message ClientSessionMessage {
  bytes message = 1;
}

message ServerSessionMessage {
  bytes message = 1;
}
