syntax = "proto3";

package occlumexec;

// Interface exported by the server.
service OcclumExec {
  // Client check the server status
  rpc StatusCheck(HealthCheckRequest) returns (HealthCheckResponse) {}

  // Client asks the server to execute the command
  rpc ExecCommand(ExecComm) returns (ExecCommResponse) {}

  // Client gets the return value
  rpc GetResult(GetResultRequest) returns (GetResultResponse) {}

  // Client sends heart beats to server
  rpc HeartBeat(stream HealthCheckRequest) returns (stream HealthCheckResponse) {}

  //Client stops the server
  rpc StopServer(StopRequest) returns (StopResponse){}
}

message GetResultRequest {
  uint32 process_id = 1;
}

message GetResultResponse {
  enum ExecutionStatus {
    UNKNOWN = 0;
    RUNNING = 1;
    STOPPED = 2;
  }
  ExecutionStatus status = 1;
  int32 result = 2;
}

message ExecComm {
  uint32 process_id = 1;
  string sockpath = 2;
  string command = 3;
  repeated string parameters = 4;
}

message ExecCommResponse {
  uint32 process_id = 1;
}

message HealthCheckRequest {
  uint32 process_id = 1;
}

message HealthCheckResponse {
  enum ServingStatus {
    UNKNOWN = 0;
    SERVING = 1;
    NOT_SERVING = 2;
  }
  ServingStatus status = 1;
}

message StopRequest {
  uint32 time = 1;
}

message StopResponse {
}