types.signaling.proto

syntax = "proto3";
package pb;
option go_package = "./signalingpb";

// **************************************************** 通用 ***************************************************** //
// SDPType describes the type of an SessionDescription.
enum SDPType {
  SDPTypeUnkown = 0;
  // SDPTypeOffer indicates that a description MUST be treated as an SDP
  // offer.
  SDPTypeOffer = 1;
  // SDPTypePranswer indicates that a description MUST be treated as an
  // SDP answer, but not a final answer. A description used as an SDP
  // pranswer may be applied as a response to an SDP offer, or an update to
  // a previously sent SDP pranswer.
  SDPTypePranswer = 2;
  // SDPTypeAnswer indicates that a description MUST be treated as an SDP
  // final answer, and the offer-answer exchange MUST be considered complete.
  // A description used as an SDP answer may be applied as a response to an
  // SDP offer or as an update to a previously sent SDP pranswer.
  SDPTypeAnswer = 3;
  // SDPTypeRollback indicates that a description MUST be treated as
  // canceling the current SDP negotiation and moving the SDP offer and
  // answer back to what it was in the previous stable state. Note the
  // local or remote SDP descriptions in the previous stable state could be
  // null if there has not yet been a successful offer-answer negotiation.
  SDPTypeRollback = 4;
}

// *************************************************** 网关 **************************************************** //

// peer端和server端的交互消息

message MessageForPeerServer {
  enum Type {
    // 发送请求
    Request = 0;
    // 发送响应
    Response = 1;
  }
  Type type = 1;
  optional RequestForPeerServer request = 2;
  optional ResponseForPeerServer response = 3;
}

// RequestForPeerServer 请求
message RequestForPeerServer {
  enum Type {
    // 获取回答
    GetAnswer = 0;
  }
  Type type = 1;
  string requestId = 2;
  bytes payload = 3;
}

// ResponseForPeerServer 响应
message ResponseForPeerServer {
  enum Type {
    // 获取回答
    GetAnswer = 0;
  }
  Type type = 1;
  string requestId = 2;
  bytes payload = 3;
}