Retire RethinkDB, simple receive path multithreading.

2 files changed, 581 insertions, 0 deletions

diff --git a/attic/RethinkDB.cpp b/attic/RethinkDB.cpp
new file mode 100644
index 00000000..d54b30b6
--- /dev/null
+++ b/attic/RethinkDB.cpp
@@ -0,0 +1,497 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2018  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/>.
+ */
+
+//#define ZT_CONTROLLER_USE_RETHINKDB
+
+#ifdef ZT_CONTROLLER_USE_RETHINKDB
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+#include "RethinkDB.hpp"
+#include "EmbeddedNetworkController.hpp"
+
+#include "../version.h"
+
+#include <chrono>
+#include <algorithm>
+#include <stdexcept>
+
+#include "../ext/librethinkdbxx/build/include/rethinkdb.h"
+
+namespace R = RethinkDB;
+using json = nlohmann::json;
+
+namespace ZeroTier {
+
+static const char *_timestr()
+{
+	time_t t = time(0);
+	char *ts = ctime(&t);
+	char *p = ts;
+	if (!p)
+		return "";
+	while (*p) {
+		if (*p == '\n') {
+			*p = (char)0;
+			break;
+		}
+		++p;
+	}
+	return ts;
+}
+
+RethinkDB::RethinkDB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path) :
+	DB(nc,myId,path),
+	_ready(2), // two tables need to be synchronized before we're ready, so this is ready when it reaches 0
+	_run(1),
+	_waitNoticePrinted(false)
+{
+	// rethinkdb:host:port:db[:auth]
+	std::vector<std::string> ps(OSUtils::split(path,":","",""));
+	if ((ps.size() < 4)||(ps[0] != "rethinkdb"))
+		throw std::runtime_error("invalid rethinkdb database url");
+	_host = ps[1];
+	_port = Utils::strToInt(ps[2].c_str());
+	_db = ps[3];
+	if (ps.size() > 4)
+		_auth = ps[4];
+
+	_readyLock.lock();
+
+	_membersDbWatcher = std::thread([this]() {
+		try {
+			while (_run == 1) {
+				try {
+					std::unique_ptr<R::Connection> rdb(R::connect(this->_host,this->_port,this->_auth));
+					if (rdb) {
+						_membersDbWatcherConnection = (void *)rdb.get();
+						auto cur = R::db(this->_db).table("Member",R::optargs("read_mode","outdated")).get_all(this->_myAddressStr,R::optargs("index","controllerId")).changes(R::optargs("squash",0.05,"include_initial",true,"include_types",true,"include_states",true)).run(*rdb);
+						while (cur.has_next()) {
+							if (_run != 1) break;
+							json tmp(json::parse(cur.next().as_json()));
+							if ((tmp["type"] == "state")&&(tmp["state"] == "ready")) {
+								if (++this->_ready == 2) {
+									if (_waitNoticePrinted)
+										fprintf(stderr,"[%s] NOTICE: %.10llx controller RethinkDB data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+									this->_readyLock.unlock();
+								}
+							} else {
+								try {
+									json &ov = tmp["old_val"];
+									json &nv = tmp["new_val"];
+									json oldConfig,newConfig;
+									if (ov.is_object()) oldConfig = ov["config"];
+									if (nv.is_object()) newConfig = nv["config"];
+									if (oldConfig.is_object()||newConfig.is_object())
+										this->_memberChanged(oldConfig,newConfig,(this->_ready <= 0));
+								} catch ( ... ) {} // ignore bad records
+							}
+						}
+					}
+				} catch (std::exception &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (member change stream): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what());
+				} catch (R::Error &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (member change stream): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str());
+				} catch ( ... ) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (member change stream): unknown exception" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+				}
+				std::this_thread::sleep_for(std::chrono::milliseconds(250));
+			}
+		} catch ( ... ) {}
+	});
+
+	_networksDbWatcher = std::thread([this]() {
+		try {
+			while (_run == 1) {
+				try {
+					std::unique_ptr<R::Connection> rdb(R::connect(this->_host,this->_port,this->_auth));
+					if (rdb) {
+						_networksDbWatcherConnection = (void *)rdb.get();
+						auto cur = R::db(this->_db).table("Network",R::optargs("read_mode","outdated")).get_all(this->_myAddressStr,R::optargs("index","controllerId")).changes(R::optargs("squash",0.05,"include_initial",true,"include_types",true,"include_states",true)).run(*rdb);
+						while (cur.has_next()) {
+							if (_run != 1) break;
+							json tmp(json::parse(cur.next().as_json()));
+							if ((tmp["type"] == "state")&&(tmp["state"] == "ready")) {
+								if (--this->_ready == 0) {
+									if (_waitNoticePrinted)
+										fprintf(stderr,"[%s] NOTICE: %.10llx controller RethinkDB data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+									this->_readyLock.unlock();
+								}
+							} else {
+								try {
+									json &ov = tmp["old_val"];
+									json &nv = tmp["new_val"];
+									json oldConfig,newConfig;
+									if (ov.is_object()) oldConfig = ov["config"];
+									if (nv.is_object()) newConfig = nv["config"];
+									if (oldConfig.is_object()||newConfig.is_object())
+										this->_networkChanged(oldConfig,newConfig,(this->_ready <= 0));
+								} catch ( ... ) {} // ignore bad records
+							}
+						}
+					}
+				} catch (std::exception &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (network change stream): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what());
+				} catch (R::Error &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (network change stream): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str());
+				} catch ( ... ) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (network change stream): unknown exception" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+				}
+				std::this_thread::sleep_for(std::chrono::milliseconds(250));
+			}
+		} catch ( ... ) {}
+	});
+
+	for(int t=0;t<ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS;++t) {
+		_commitThread[t] = std::thread([this]() {
+			try {
+				std::unique_ptr<R::Connection> rdb;
+				nlohmann::json *config = (nlohmann::json *)0;
+				while ((this->_commitQueue.get(config))&&(_run == 1)) {
+					if (!config)
+						continue;
+					nlohmann::json record;
+					const char *table = (const char *)0;
+					std::string deleteId;
+					try {
+						const std::string objtype = (*config)["objtype"];
+						if (objtype == "member") {
+							const std::string nwid = (*config)["nwid"];
+							const std::string id = (*config)["id"];
+							record["id"] = nwid + "-" + id;
+							record["controllerId"] = this->_myAddressStr;
+							record["networkId"] = nwid;
+							record["nodeId"] = id;
+							record["config"] = *config;
+							table = "Member";
+						} else if (objtype == "network") {
+							const std::string id = (*config)["id"];
+							record["id"] = id;
+							record["controllerId"] = this->_myAddressStr;
+ 							record["config"] = *config;
+							table = "Network";
+						} else if (objtype == "trace") {
+							record = *config;
+							table = "RemoteTrace";
+						} else if (objtype == "_delete_network") {
+							deleteId = (*config)["id"];
+							table = "Network";
+						} else if (objtype == "_delete_member") {
+							deleteId = (*config)["nwid"];
+							deleteId.push_back('-');
+							const std::string tmp = (*config)["id"];
+							deleteId.append(tmp);
+							table = "Member";
+						}
+					} catch (std::exception &e) {
+						fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update record creation): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what());
+						table = (const char *)0;
+					} catch (R::Error &e) {
+						fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update record creation): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str());
+						table = (const char *)0;
+					} catch ( ... ) {
+						fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update record creation): unknown exception" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+						table = (const char *)0;
+					}
+					delete config;
+					if (!table)
+						continue;
+					const std::string jdump(OSUtils::jsonDump(record,-1));
+
+					while (_run == 1) {
+						try {
+							if (!rdb)
+								rdb = R::connect(this->_host,this->_port,this->_auth);
+							if (rdb) {
+								if (deleteId.length() > 0) {
+									//printf("DELETE: %s" ZT_EOL_S,deleteId.c_str());
+									R::db(this->_db).table(table).get(deleteId).delete_().run(*rdb);
+								} else {
+									//printf("UPSERT: %s" ZT_EOL_S,record.dump().c_str());
+									R::db(this->_db).table(table).insert(R::Datum::from_json(jdump),R::optargs("conflict","update","return_changes",false)).run(*rdb);
+								}
+								break;
+							} else {
+								fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update): connect failed (will retry)" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+								rdb.reset();
+							}
+						} catch (std::exception &e) {
+							fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update): %s [%s]" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what(),jdump.c_str());
+							rdb.reset();
+						} catch (R::Error &e) {
+							fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update): %s [%s]" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str(),jdump.c_str());
+							rdb.reset();
+						} catch ( ... ) {
+							fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update): unknown exception [%s]" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),jdump.c_str());
+							rdb.reset();
+						}
+						std::this_thread::sleep_for(std::chrono::milliseconds(250));
+					}
+				}
+			} catch (std::exception &e) {
+				fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update outer loop): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what());
+			} catch (R::Error &e) {
+				fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update outer loop): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str());
+			} catch ( ... ) {
+				fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (insert/update outer loop): unknown exception" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+			}
+		});
+	}
+
+	_onlineNotificationThread = std::thread([this]() {
+		int64_t lastUpdatedNetworkStatus = 0;
+		std::unordered_map< std::pair<uint64_t,uint64_t>,int64_t,_PairHasher > lastOnlineCumulative;
+		try {
+			std::unique_ptr<R::Connection> rdb;
+			while (_run == 1) {
+				try {
+					if (!rdb) {
+						_connected = 0;
+						rdb = R::connect(this->_host,this->_port,this->_auth);
+					}
+
+					if (rdb) {
+						_connected = 1;
+						R::Array batch;
+						R::Object tmpobj;
+
+						std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > lastOnline;
+						{
+							std::lock_guard<std::mutex> l(_lastOnline_l);
+							lastOnline.swap(_lastOnline);
+						}
+
+						for(auto i=lastOnline.begin();i!=lastOnline.end();++i) {
+							lastOnlineCumulative[i->first] = i->second.first;
+							char tmp[64],tmp2[64];
+							OSUtils::ztsnprintf(tmp,sizeof(tmp),"%.16llx-%.10llx",i->first.first,i->first.second);
+							tmpobj["id"] = tmp;
+							tmpobj["ts"] = i->second.first;
+							tmpobj["phy"] = i->second.second.toIpString(tmp2);
+							batch.emplace_back(tmpobj);
+							if (batch.size() >= 1024) {
+								R::db(this->_db).table("MemberStatus",R::optargs("read_mode","outdated")).insert(batch,R::optargs("conflict","update")).run(*rdb);
+								batch.clear();
+							}
+						}
+						if (batch.size() > 0) {
+							R::db(this->_db).table("MemberStatus",R::optargs("read_mode","outdated")).insert(batch,R::optargs("conflict","update")).run(*rdb);
+							batch.clear();
+						}
+						tmpobj.clear();
+
+						const int64_t now = OSUtils::now();
+						if ((now - lastUpdatedNetworkStatus) > 10000) {
+							lastUpdatedNetworkStatus = now;
+
+							std::vector< std::pair< uint64_t,std::shared_ptr<_Network> > > networks;
+							{
+								std::lock_guard<std::mutex> l(_networks_l);
+								networks.reserve(_networks.size() + 1);
+								for(auto i=_networks.begin();i!=_networks.end();++i)
+									networks.push_back(*i);
+							}
+
+							for(auto i=networks.begin();i!=networks.end();++i) {
+								char tmp[64];
+								Utils::hex(i->first,tmp);
+								tmpobj["id"] = tmp;
+								{
+									std::lock_guard<std::mutex> l2(i->second->lock);
+									tmpobj["authorizedMemberCount"] = i->second->authorizedMembers.size();
+									tmpobj["totalMemberCount"] = i->second->members.size();
+									unsigned long onlineMemberCount = 0;
+									for(auto m=i->second->members.begin();m!=i->second->members.end();++m) {
+										auto lo = lastOnlineCumulative.find(std::pair<uint64_t,uint64_t>(i->first,m->first));
+										if (lo != lastOnlineCumulative.end()) {
+											if ((now - lo->second) <= (ZT_NETWORK_AUTOCONF_DELAY * 2))
+												++onlineMemberCount;
+											else lastOnlineCumulative.erase(lo);
+										}
+									}
+									tmpobj["onlineMemberCount"] = onlineMemberCount;
+									tmpobj["bridgeCount"] = i->second->activeBridgeMembers.size();
+									tmpobj["ts"] = now;
+								}
+								batch.emplace_back(tmpobj);
+								if (batch.size() >= 1024) {
+									R::db(this->_db).table("NetworkStatus",R::optargs("read_mode","outdated")).insert(batch,R::optargs("conflict","update")).run(*rdb);
+									batch.clear();
+								}
+							}
+							if (batch.size() > 0) {
+								R::db(this->_db).table("NetworkStatus",R::optargs("read_mode","outdated")).insert(batch,R::optargs("conflict","update")).run(*rdb);
+								batch.clear();
+							}
+						}
+					}
+				} catch (std::exception &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (node status update): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.what());
+					rdb.reset();
+				} catch (R::Error &e) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (node status update): %s" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt(),e.message.c_str());
+					rdb.reset();
+				} catch ( ... ) {
+					fprintf(stderr,"[%s] ERROR: %.10llx controller RethinkDB (node status update): unknown exception" ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+					rdb.reset();
+				}
+				std::this_thread::sleep_for(std::chrono::milliseconds(250));
+			}
+		} catch ( ... ) {}
+	});
+
+	_heartbeatThread = std::thread([this]() {
+		try {
+			R::Object controllerRecord;
+			std::unique_ptr<R::Connection> rdb;
+
+			{
+				char publicId[1024];
+				//char secretId[1024];
+				char hostname[1024];
+				this->_myId.toString(false,publicId);
+				//this->_myId.toString(true,secretId);
+				if (gethostname(hostname,sizeof(hostname)) != 0) {
+					hostname[0] = (char)0;
+				} else {
+					for(int i=0;i<sizeof(hostname);++i) {
+						if ((hostname[i] == '.')||(hostname[i] == 0)) {
+							hostname[i] = (char)0;
+							break;
+						}
+					}
+				}
+				controllerRecord["id"] = this->_myAddressStr.c_str();
+				controllerRecord["publicIdentity"] = publicId;
+				//controllerRecord["secretIdentity"] = secretId;
+				if (hostname[0])
+					controllerRecord["clusterHost"] = hostname;
+				controllerRecord["vMajor"] = ZEROTIER_ONE_VERSION_MAJOR;
+				controllerRecord["vMinor"] = ZEROTIER_ONE_VERSION_MINOR;
+				controllerRecord["vRev"] = ZEROTIER_ONE_VERSION_REVISION;
+				controllerRecord["vBuild"] = ZEROTIER_ONE_VERSION_BUILD;
+			}
+
+			while (_run == 1) {
+				try {
+					if (!rdb)
+						rdb = R::connect(this->_host,this->_port,this->_auth);
+					if (rdb) {
+						controllerRecord["lastAlive"] = OSUtils::now();
+						//printf("HEARTBEAT: %s" ZT_EOL_S,tmp);
+						R::db(this->_db).table("Controller",R::optargs("read_mode","outdated")).insert(controllerRecord,R::optargs("conflict","update")).run(*rdb);
+					}
+				} catch ( ... ) {
+					rdb.reset();
+				}
+				std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+			}
+		} catch ( ... ) {}
+	});
+}
+
+RethinkDB::~RethinkDB()
+{
+	_run = 0;
+	std::this_thread::sleep_for(std::chrono::milliseconds(100));
+	_commitQueue.stop();
+	for(int t=0;t<ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS;++t)
+		_commitThread[t].join();
+	if (_membersDbWatcherConnection)
+		((R::Connection *)_membersDbWatcherConnection)->close();
+	if (_networksDbWatcherConnection)
+		((R::Connection *)_networksDbWatcherConnection)->close();
+	_membersDbWatcher.join();
+	_networksDbWatcher.join();
+	_heartbeatThread.join();
+	_onlineNotificationThread.join();
+}
+
+bool RethinkDB::waitForReady()
+{
+	while (_ready > 0) {
+		if (!_waitNoticePrinted) {
+			_waitNoticePrinted = true;
+			fprintf(stderr,"[%s] NOTICE: %.10llx controller RethinkDB waiting for initial data download..." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
+		}
+		_readyLock.lock();
+		_readyLock.unlock();
+	}
+	return true;
+}
+
+bool RethinkDB::isReady()
+{
+	return ((_ready)&&(_connected));
+}
+
+void RethinkDB::save(nlohmann::json *orig,nlohmann::json &record)
+{
+	if (!record.is_object()) // sanity check
+		return;
+	waitForReady();
+	if (orig) {
+		if (*orig != record) {
+			record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1;
+			_commitQueue.post(new nlohmann::json(record));
+		}
+	} else {
+		record["revision"] = 1;
+		_commitQueue.post(new nlohmann::json(record));
+	}
+}
+
+void RethinkDB::eraseNetwork(const uint64_t networkId)
+{
+	char tmp2[24];
+	waitForReady();
+	Utils::hex(networkId,tmp2);
+	json *tmp = new json();
+	(*tmp)["id"] = tmp2;
+	(*tmp)["objtype"] = "_delete_network"; // pseudo-type, tells thread to delete network
+	_commitQueue.post(tmp);
+}
+
+void RethinkDB::eraseMember(const uint64_t networkId,const uint64_t memberId)
+{
+	char tmp2[24];
+	json *tmp = new json();
+	waitForReady();
+	Utils::hex(networkId,tmp2);
+	(*tmp)["nwid"] = tmp2;
+	Utils::hex10(memberId,tmp2);
+	(*tmp)["id"] = tmp2;
+	(*tmp)["objtype"] = "_delete_member"; // pseudo-type, tells thread to delete network
+	_commitQueue.post(tmp);
+}
+
+void RethinkDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress)
+{
+	std::lock_guard<std::mutex> l(_lastOnline_l);
+	std::pair<int64_t,InetAddress> &i = _lastOnline[std::pair<uint64_t,uint64_t>(networkId,memberId)];
+	i.first = OSUtils::now();
+	if (physicalAddress)
+		i.second = physicalAddress;
+}
+
+} // namespace ZeroTier
+
+#endif // ZT_CONTROLLER_USE_RETHINKDB
diff --git a/attic/RethinkDB.hpp b/attic/RethinkDB.hpp
new file mode 100644
index 00000000..60f04c5b
--- /dev/null
+++ b/attic/RethinkDB.hpp
@@ -0,0 +1,84 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2018  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/>.
+ */
+
+#ifdef ZT_CONTROLLER_USE_RETHINKDB
+
+#ifndef ZT_CONTROLLER_RETHINKDB_HPP
+#define ZT_CONTROLLER_RETHINKDB_HPP
+
+#include "DB.hpp"
+
+#define ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS 4
+
+namespace ZeroTier
+{
+
+/**
+ * A controller database driver that talks to RethinkDB
+ *
+ * This is for use with ZeroTier Central. Others are free to build and use it
+ * but be aware that we might change it at any time.
+ */
+class RethinkDB : public DB
+{
+public:
+	RethinkDB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path);
+	virtual ~RethinkDB();
+
+	virtual bool waitForReady();
+	virtual bool isReady();
+	virtual void save(nlohmann::json *orig,nlohmann::json &record);
+	virtual void eraseNetwork(const uint64_t networkId);
+	virtual void eraseMember(const uint64_t networkId,const uint64_t memberId);
+	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress);
+
+protected:
+	struct _PairHasher
+	{
+		inline std::size_t operator()(const std::pair<uint64_t,uint64_t> &p) const { return (std::size_t)(p.first ^ p.second); }
+	};
+
+	std::string _host;
+	std::string _db;
+	std::string _auth;
+	int _port;
+
+	void *_networksDbWatcherConnection;
+	void *_membersDbWatcherConnection;
+	std::thread _networksDbWatcher;
+	std::thread _membersDbWatcher;
+
+	BlockingQueue< nlohmann::json * > _commitQueue;
+	std::thread _commitThread[ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS];
+
+	std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > _lastOnline;
+	mutable std::mutex _lastOnline_l;
+	std::thread _onlineNotificationThread;
+
+	std::thread _heartbeatThread;
+
+	mutable std::mutex _readyLock; // locked until ready
+	std::atomic<int> _ready,_connected,_run;
+	mutable volatile bool _waitNoticePrinted;
+};
+
+} // namespace ZeroTier
+
+#endif
+
+#endif // ZT_CONTROLLER_USE_RETHINKDB