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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZT_NETWORKCONFIGMASTER_HPP
#define ZT_NETWORKCONFIGMASTER_HPP
#include <stdint.h>
#include "Constants.hpp"
#include "InetAddress.hpp"
#include "Address.hpp"
#include "Identity.hpp"
#include "NetworkConfigRequestMetaData.hpp"
#include "Buffer.hpp"
namespace ZeroTier {
class RuntimeEnvironment;
/**
* Interface for network controller implementations
*/
class NetworkController
{
public:
/**
* Return value of doNetworkConfigRequest
*/
enum ResultCode
{
NETCONF_QUERY_OK = 0,
NETCONF_QUERY_OBJECT_NOT_FOUND = 1,
NETCONF_QUERY_ACCESS_DENIED = 2,
NETCONF_QUERY_INTERNAL_SERVER_ERROR = 3,
NETCONF_QUERY_IGNORE = 4
};
NetworkController() {}
virtual ~NetworkController() {}
/**
* Handle a network config request, sending replies if necessary
*
* This call is permitted to block, and may be called concurrently from more
* than one thread. Implementations must use locks if needed.
*
* On internal server errors, the 'error' field in result can be filled in
* to indicate the error.
*
* @param fromAddr Originating wire address or null address if packet is not direct (or from self)
* @param signingId Identity that should be used to sign results -- must include private key
* @param identity Originating peer ZeroTier identity
* @param nwid 64-bit network ID
* @param metaData Meta-data bundled with request (if any)
* @param result Buffer to receive serialized network configuration data (any existing data in buffer is preserved)
* @return Returns NETCONF_QUERY_OK if result dictionary is valid, or an error code on error
*/
virtual NetworkController::ResultCode doNetworkConfigRequest(
const InetAddress &fromAddr,
const Identity &signingId,
const Identity &identity,
uint64_t nwid,
const NetworkConfigRequestMetaData &metaData,
Buffer<8194> &result) = 0;
};
} // namespace ZeroTier
#endif
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