struct Update {
    1: i32 type,
    2: i32 reserved,
    3: i32 prefixlen,
    4: i32 label,
    5: string rd,
    6: string prefix,
    7: string nexthop
}

struct Routes {
    1: i32 errcode,
    2: optional list<Update> updates,
    4: optional i32 more
}

service BgpConfigurator {
    i32 startBgpServer(1:i32 asNumber, 2:string routerId, 3: i32 port, 
                       4:i32 holdTime, 5:i32 keepAliveTime),
    i32 stopBgpServer(),
    i32 createPeer(1:string ipAddress, 2:i32 asNumber),
    i32 deletePeer(1:string ipAddress)
    i32 addVrf(1:string rd, 2:list<string> irts, 3:list<string> erts),
    i32 delVrf(1:string rd),
    i32 pushRoute(1:string prefix, 2:string nexthop, 3:string rd, 4:i32 label),
    i32 withdrawRoute(1:string prefix, 2:string rd),
    Routes getRoutes(1:i32 optype, 2:i32 winSize)
}

service BgpUpdater {
    oneway void onUpdatePushRoute(1:string rd, 2:string prefix, 
                                  3:i32 prefixlen, 4:string nexthop, 
                                  5:i32 label),
    oneway void onUpdateWithdrawRoute(1:string rd, 2:string prefix, 
                                      3:i32 prefixlen), 
    oneway void onStartConfigResyncNotification()
}