syntax = "proto3";
package cli;

message Status {
    int32 code = 1;
    string message = 2;
}

message PeerConnStats {
    uint64 rx_bytes = 1;
    uint64 tx_bytes = 2;

    uint64 rx_packets = 3;
    uint64 tx_packets = 4;

    uint64 latency_us = 5;
}

message TunnelInfo {
    string tunnel_type = 1;
    string local_addr = 2;
    string remote_addr = 3;
}

message PeerConnInfo {
    string conn_id = 1;
    uint32 my_peer_id = 2;
    uint32 peer_id = 3;
    repeated string features = 4;
    TunnelInfo tunnel = 5;
    PeerConnStats stats = 6;
    float loss_rate = 7;
}

message PeerInfo {
    uint32 peer_id = 1;
    repeated PeerConnInfo conns = 2;
}

message ListPeerRequest {}

message ListPeerResponse {
    repeated PeerInfo peer_infos = 1;
}

enum NatType {
    // has NAT; but own a single public IP, port is not changed
    Unknown = 0;
    OpenInternet = 1;
    NoPAT = 2;
    FullCone = 3;
    Restricted = 4;
    PortRestricted = 5;
    Symmetric = 6;
    SymUdpFirewall = 7;
}

message StunInfo {
    NatType udp_nat_type = 1;
    NatType tcp_nat_type = 2;
    int64 last_update_time = 3;
}

message Route {
    uint32 peer_id = 1;
    string ipv4_addr = 2;
    uint32 next_hop_peer_id = 3;
    int32 cost = 4;
    repeated string proxy_cidrs = 5;
    string hostname = 6;
    StunInfo stun_info = 7;
    string inst_id = 8;
}

message ListRouteRequest {}

message ListRouteResponse {
    repeated Route routes = 1;
}

service PeerManageRpc {
   rpc ListPeer (ListPeerRequest) returns (ListPeerResponse);
   rpc ListRoute (ListRouteRequest) returns (ListRouteResponse);
}

enum ConnectorStatus {
    CONNECTED = 0;
    DISCONNECTED = 1;
    CONNECTING = 2;
}

message Connector {
    string url = 1;
    ConnectorStatus status = 2;
}

message ListConnectorRequest {}

message ListConnectorResponse {
    repeated Connector connectors = 1;
}

enum ConnectorManageAction {
    ADD = 0;
    REMOVE = 1;
}

message ManageConnectorRequest {
    ConnectorManageAction action = 1;
    string url = 2;
}

message ManageConnectorResponse { }

service ConnectorManageRpc {
    rpc ListConnector (ListConnectorRequest) returns (ListConnectorResponse);
    rpc ManageConnector (ManageConnectorRequest) returns (ManageConnectorResponse);
}

enum LatencyLevel {
    VeryLow = 0;
    Low = 1;
    Normal = 2;
    High = 3;
    VeryHigh = 4;
}

message DirectConnectedPeerInfo {
    LatencyLevel latency_level = 2;
}

message PeerInfoForGlobalMap {
    map<uint32, DirectConnectedPeerInfo> direct_peers = 1;
}

message GetGlobalPeerMapRequest {}

message GetGlobalPeerMapResponse {
    map<uint32, PeerInfoForGlobalMap> global_peer_map = 1;
}

service PeerCenterRpc {
    rpc GetGlobalPeerMap (GetGlobalPeerMapRequest) returns (GetGlobalPeerMapResponse);
}