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Diffstat (limited to 'attic/NetworkConfigMaster.hpp')
| -rw-r--r-- | attic/NetworkConfigMaster.hpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/attic/NetworkConfigMaster.hpp b/attic/NetworkConfigMaster.hpp new file mode 100644 index 00000000..f4386189 --- /dev/null +++ b/attic/NetworkConfigMaster.hpp @@ -0,0 +1,135 @@ +/* + * ZeroTier One - Network Virtualization Everywhere + * Copyright (C) 2011-2015 ZeroTier, Inc. + * + * 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_NETWORKCONFIGMASTER_HPP +#define ZT_NETWORKCONFIGMASTER_HPP + +#include "Constants.hpp" + +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_HOST "netconf.redisHost" +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_PORT "netconf.redisPort" +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_PORT_DEFAULT 6379 +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_AUTH "netconf.redisAuth" +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_DBNUM "netconf.redisDatabaseNumber" +#define ZT_LOCAL_CONFIG_NETCONF_REDIS_DBNUM_DEFAULT 0 + +#ifdef ZT_ENABLE_NETCONF_MASTER + +#include <stdint.h> +#include <string> +#include <map> +#include <vector> + +#include "Address.hpp" +#include "Dictionary.hpp" +#include "Mutex.hpp" +#include "InetAddress.hpp" + +#include <hiredis/hiredis.h> + +namespace ZeroTier { + +class RuntimeEnvironment; + +/** + * Network configuration master -- responds to NETCONF requests + * + * This requires the 'hiredis' C library to build. + */ +class NetworkConfigMaster +{ +public: + /** + * Create netconf master + * + * This doesn't connect to Redis until the first request is received. + * + * @param renv Runtime environment + * @param redisHost Hostname or IP of Redis server + * @param redisPort Redis IP port number + * @param redisPassword Redis AUTH password or NULL if none + * @param redisDatabaseNumber Redis database number (usually 0) + */ + NetworkConfigMaster( + const RuntimeEnvironment *renv, + const char *redisHost, + unsigned int redisPort, + const char *redisPassword, + unsigned int redisDatabaseNumber); + + ~NetworkConfigMaster(); + + /** + * Handle a network config request, sending replies if necessary + * + * This is a blocking call, so rate is limited by Redis. It will fail + * and log its failure if the Redis server is not available or times out. + * + * @param fromAddr Originating IP address + * @param packetId 64-bit packet ID + * @param member Originating peer ZeroTier address + * @param nwid 64-bit network ID + * @param metaData Meta-data bundled with request (empty if none) + * @param haveTimestamp Timestamp requesting peer has or 0 if none or not included + */ + void doNetworkConfigRequest( + const InetAddress &fromAddr, + uint64_t packetId, + const Address &member, + uint64_t nwid, + const Dictionary &metaData, + uint64_t haveTimestamp); + +private: + // These assume _lock is locked + bool _reconnect(); + bool _hgetall(const char *key,Dictionary &hdata); + bool _hmset(const char *key,const Dictionary &hdata); + bool _hget(const char *key,const char *hashKey,std::string &value); + bool _hset(const char *key,const char *hashKey,const char *value); + bool _get(const char *key,std::string &value); + bool _smembers(const char *key,std::vector<std::string> &sdata); + + bool _initNewMember(uint64_t nwid,const Address &member,const Dictionary &metaData,Dictionary &memberRecord); + bool _generateNetconf(uint64_t nwid,const Address &member,const Dictionary &metaData,std::string &netconf,uint64_t &ts); + + Mutex _lock; + + std::string _redisHost; + std::string _redisPassword; + unsigned int _redisPort; + unsigned int _redisDatabaseNumber; + + const RuntimeEnvironment *RR; + redisContext *_rc; +}; + +} // namespace ZeroTier + +#endif // ZT_ENABLE_NETCONF_MASTER + +#endif |