syntax = "proto3";

package v2ray.core.app.router;
option csharp_namespace = "V2Ray.Core.App.Router";
option go_package = "router";
option java_package = "com.v2ray.core.app.router";
option java_multiple_files = true;

import "v2ray.com/core/common/net/port.proto";
import "v2ray.com/core/common/net/network.proto";

// Domain for routing decision. 
message Domain {
  // Type of domain value.
  enum Type {
    // The value is used as is.
    Plain = 0;
    // The value is used as a regular expression.
    Regex = 1;
  }

  // Domain matching type.
  Type type = 1;

  // Domain value.
  string value = 2;
}

// IP for routing decision, in CIDR form.
message CIDR {
  // IP address, should be either 4 or 16 bytes.
  bytes ip = 1;

  // Number of leading ones in the network mask.
  uint32 prefix = 2;
}

message RoutingRule {
  string tag = 1;
  repeated Domain domain = 2;
  repeated CIDR cidr = 3;
  v2ray.core.common.net.PortRange port_range = 4;
  v2ray.core.common.net.NetworkList network_list = 5;
  repeated CIDR source_cidr = 6;
  repeated string user_email = 7;
  repeated string inbound_tag = 8;
}

message Config {
  enum DomainStrategy {
    // Use domain as is.
    AsIs = 0;

    // Always resolve IP for domains.
    UseIp = 1;

    // Resolve to IP if the domain doesn't match any rules.
    IpIfNonMatch = 2;
  }
  DomainStrategy domain_strategy = 1;
  repeated RoutingRule rule = 2;
}