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/*
* ZeroTier One - Global Peer to Peer Ethernet
* Copyright (C) 2012-2013 ZeroTier Networks LLC
*
* 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/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef _ZT_NODECONFIG_HPP
#define _ZT_NODECONFIG_HPP
#include <map>
#include <set>
#include <string>
#include <stdint.h>
#include "SharedPtr.hpp"
#include "Network.hpp"
#include "Utils.hpp"
#include "Http.hpp"
namespace ZeroTier {
class RuntimeEnvironment;
/**
* Node configuration holder and fetcher
*/
class NodeConfig
{
public:
/**
* @param renv Runtime environment
* @param url Autoconfiguration URL (http:// or file://)
*/
NodeConfig(const RuntimeEnvironment *renv,const std::string &url);
~NodeConfig();
/**
* @param nwid Network ID
* @return Network or NULL if no network for that ID
*/
inline SharedPtr<Network> network(uint64_t nwid) const
{
Mutex::Lock _l(_networks_m);
std::map< uint64_t,SharedPtr<Network> >::const_iterator n(_networks.find(nwid));
return ((n == _networks.end()) ? SharedPtr<Network>() : n->second);
}
/**
* @return Vector containing all networks
*/
inline std::vector< SharedPtr<Network> > networks() const
{
std::vector< SharedPtr<Network> > nwlist;
Mutex::Lock _l(_networks_m);
for(std::map< uint64_t,SharedPtr<Network> >::const_iterator n(_networks.begin());n!=_networks.end();++n)
nwlist.push_back(n->second);
return nwlist;
}
/**
* @param nwid Network ID
* @return True if this network exists
*/
inline bool hasNetwork(uint64_t nwid)
{
Mutex::Lock _l(_networks_m);
return (_networks.count(nwid) > 0);
}
/**
* @return Set of network tap device names
*/
inline std::set<std::string> networkTapDeviceNames() const
{
std::set<std::string> tapDevs;
Mutex::Lock _l(_networks_m);
for(std::map< uint64_t,SharedPtr<Network> >::const_iterator n(_networks.begin());n!=_networks.end();++n)
tapDevs.insert(n->second->tap().deviceName());
return tapDevs;
}
/**
* @return Time of last successful autoconfigure or refresh
*/
inline uint64_t lastAutoconfigure() const { return _lastAutoconfigure; }
/**
* @return Autoconfiguration URL
*/
inline const std::string &url() const { return _url; }
/**
* Refresh configuration from autoconf URL
*/
void refreshConfiguration();
private:
void __CBautoconfHandler(const std::string &lastModified,const std::string &body);
static bool _CBautoconfHandler(Http::Request *req,void *arg,const std::string &url,int code,const std::map<std::string,std::string> &headers,const std::string &body);
const RuntimeEnvironment *_r;
volatile uint64_t _lastAutoconfigure;
std::string _lastAutoconfigureLastModified;
std::string _url;
Mutex _autoconfigureLock;
std::map< uint64_t,SharedPtr<Network> > _networks;
Mutex _networks_m;
};
} // namespace ZeroTier
#endif
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