syntax = "proto3";

option go_package = "github.com/sagernet/sing-box/service/node_manager_api/manager";

package node_manager_api.v1;

service Manager {
  rpc AddNode (Node) returns (stream NodeData);
  rpc AcquireLock(AcquireLockRequest) returns (LockData);
  rpc RefreshLock(LockData) returns (Empty);
  rpc ReleaseLock(LockData) returns (Empty);
  rpc AddTrafficUsage(TrafficUsageRequest) returns (TrafficUsageReply);
}

message Node {
  string uuid = 1;
}

enum OpType {
  updateUsers = 0;
  updateUser  = 1;
  deleteUser  = 2;

  updateBandwidthLimiters = 3;
  updateBandwidthLimiter  = 4;
  deleteBandwidthLimiter  = 5;

  updateConnectionLimiters = 6;
  updateConnectionLimiter  = 7;
  deleteConnectionLimiter  = 8;

  updateTrafficLimiters = 9;
  updateTrafficLimiter  = 10;
  deleteTrafficLimiter  = 11;

  updateRateLimiters = 12;
  updateRateLimiter  = 13;
  deleteRateLimiter  = 14;
}

message User {
  int32  id = 1;
  string username = 2;
  string inbound = 3;
  string type = 4;
  string uuid = 5;
  string password = 6;
  string secret = 7;
  string flow = 8;
  int32  alter_id = 9;
}

message UserList {
  repeated User values = 1;
}

message BandwidthLimiter {
  int32  id = 1;
  string username = 2;
  string outbound = 3;
  string strategy = 4;
  string connection_type = 5;
  string mode = 6;
  repeated string flow_keys = 7;
  string speed = 8;
  uint64 raw_speed = 9;
}

message BandwidthLimiterList {
  repeated BandwidthLimiter values = 1;
}

message ConnectionLimiter {
  int32  id = 1;
  string username = 2;
  string outbound = 3;
  string strategy = 4;
  string connection_type = 5;
  string lock_type = 6;
  uint32 count = 7;
}

message ConnectionLimiterList {
  repeated ConnectionLimiter values = 1;
}

message TrafficLimiter {
  int32  id = 1;
  string username = 2;
  string outbound = 3;
  string strategy = 4;
  string mode = 5;
  uint64 raw_used = 6;
  string quota = 7;
  uint64 raw_quota = 8;
}

message TrafficLimiterList {
  repeated TrafficLimiter values = 1;
}

message RateLimiter {
  int32  id = 1;
  string username = 2;
  string outbound = 3;
  string strategy = 4;
  string connection_type = 5;
  uint32 count = 6;
  string interval = 7;
}

message RateLimiterList {
  repeated RateLimiter values = 1;
}

message NodeData {

  OpType op = 1;

  oneof data {
    UserList users = 2;
    User user = 3;
    BandwidthLimiterList bandwidth_limiters = 4;
    BandwidthLimiter bandwidth_limiter = 5;
    ConnectionLimiterList connection_limiters = 6;
    ConnectionLimiter connection_limiter = 7;
    TrafficLimiterList traffic_limiters = 8;
    TrafficLimiter traffic_limiter = 9;
    RateLimiterList rate_limiters = 10;
    RateLimiter rate_limiter = 11;
  }

}

message AcquireLockRequest {
  int32 limiter_id = 1;
  string id = 2;
}

message LockData {
  int32 limiter_id = 1;
  string id = 2;
  string handleId = 3;
}

message TrafficUsageRequest {
  int32 limiter_id = 1;
  uint64 n = 2;
}

message TrafficUsageReply {
  uint64 remaining = 1;
}

message Empty {}