syntax = "proto3";

package c2;

/* ============================
 * C2 → ESP
 * ============================ */

message Command {
  string device_id     = 1;
  string command_name  = 2;
  repeated string argv = 3;
  string request_id    = 4;
}

/* ============================
 * ESP → C2
 * ============================ */

enum AgentMsgType {
  AGENT_INFO        = 0;
  AGENT_ERROR       = 1;
  AGENT_DATA        = 2;
  AGENT_LOG         = 3;
  AGENT_CMD_RESULT  = 4;
}

message AgentMessage {
  string device_id  = 1;
  AgentMsgType type = 2;

  string source     = 3;
  string request_id = 4;

  bytes payload     = 5;

  bool eof          = 6;
}