mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-22 06:17:48 +00:00
309 lines
8.5 KiB
C++
309 lines
8.5 KiB
C++
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#include "RethinkDB.hpp"
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#include <chrono>
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#include <algorithm>
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#include <stdexcept>
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#include "../ext/librethinkdbxx/build/include/rethinkdb.h"
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namespace R = RethinkDB;
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using nlohmann::json;
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namespace ZeroTier {
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RethinkDB::RethinkDB(const Address &myAddress,const char *host,const int port,const char *db,const char *auth) :
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_myAddress(myAddress),
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_host(host ? host : "127.0.0.1"),
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_db(db),
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_auth(auth ? auth : ""),
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_port((port > 0) ? port : 28015),
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_ready(2), // two tables need to be synchronized before we're ready
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_run(1)
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{
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_readyLock.lock();
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{
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char tmp[32];
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_myAddress.toString(tmp);
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_myAddressStr = tmp;
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}
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_membersDbWatcher = std::thread([this]() {
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while (_run == 1) {
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try {
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auto rdb = R::connect(this->_host,this->_port,this->_auth);
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if (rdb) {
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_membersDbWatcherConnection = (void *)rdb.get();
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auto cur = R::db(this->_db).table("Member").get_all(this->_myAddressStr,R::optargs("index","controllerId")).changes(R::optargs("squash",0.1,"include_initial",true,"include_types",true,"include_states",true)).run(*rdb);
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while (cur.has_next()) {
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if (_run != 1) break;
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json tmp(json::parse(cur.next().as_json()));
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if ((tmp["type"] == "state")&&(tmp["state"] == "ready")) {
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if (--this->_ready == 0)
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this->_readyLock.unlock();
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} else {
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try {
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this->_memberChanged(tmp["old_val"],tmp["new_val"]);
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} catch ( ... ) {} // ignore bad records
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}
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}
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}
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} catch (std::exception &e) {
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fprintf(stderr,"ERROR: controller RethinkDB: %s" ZT_EOL_S,e.what());
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} catch (R::Error &e) {
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fprintf(stderr,"ERROR: controller RethinkDB: %s" ZT_EOL_S,e.message.c_str());
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} catch ( ... ) {
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fprintf(stderr,"ERROR: controller RethinkDB: unknown exception" ZT_EOL_S);
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(250));
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}
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});
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_networksDbWatcher = std::thread([this]() {
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while (_run == 1) {
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try {
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auto rdb = R::connect(this->_host,this->_port,this->_auth);
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if (rdb) {
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_membersDbWatcherConnection = (void *)rdb.get();
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auto cur = R::db(this->_db).table("Network").get_all(this->_myAddressStr,R::optargs("index","controllerId")).changes(R::optargs("squash",0.1,"include_initial",true,"include_types",true,"include_states",true)).run(*rdb);
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while (cur.has_next()) {
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if (_run != 1) break;
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json tmp(json::parse(cur.next().as_json()));
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if ((tmp["type"] == "state")&&(tmp["state"] == "ready")) {
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if (--this->_ready == 0)
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this->_readyLock.unlock();
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} else {
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try {
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this->_networkChanged(tmp["old_val"],tmp["new_val"]);
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} catch ( ... ) {} // ignore bad records
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}
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}
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}
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} catch (std::exception &e) {
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fprintf(stderr,"ERROR: controller RethinkDB: %s" ZT_EOL_S,e.what());
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} catch (R::Error &e) {
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fprintf(stderr,"ERROR: controller RethinkDB: %s" ZT_EOL_S,e.message.c_str());
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} catch ( ... ) {
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fprintf(stderr,"ERROR: controller RethinkDB: unknown exception" ZT_EOL_S);
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(250));
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}
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});
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}
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RethinkDB::~RethinkDB()
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{
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// FIXME: not totally safe but will generally work, and only happens on shutdown anyway
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_run = 0;
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std::this_thread::sleep_for(std::chrono::milliseconds(10));
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if (_membersDbWatcherConnection)
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((R::Connection *)_membersDbWatcherConnection)->close();
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if (_networksDbWatcherConnection)
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((R::Connection *)_networksDbWatcherConnection)->close();
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_membersDbWatcher.join();
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_networksDbWatcher.join();
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}
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inline bool RethinkDB::get(const uint64_t networkId,nlohmann::json &network)
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{
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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return true;
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}
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inline bool RethinkDB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,NetworkSummaryInfo &info)
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{
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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std::lock_guard<std::mutex> l2(nw->lock);
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auto m = nw->members.find(memberId);
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if (m == nw->members.end())
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return false;
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network = nw->config;
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member = m->second;
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_fillSummaryInfo(nw,info);
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return true;
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}
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inline bool RethinkDB::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members)
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{
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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for(auto m=nw->members.begin();m!=nw->members.end();++m)
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members.push_back(m->second);
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return true;
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}
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inline bool RethinkDB::summary(const uint64_t networkId,NetworkSummaryInfo &info)
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{
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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std::lock_guard<std::mutex> l2(nw->lock);
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_fillSummaryInfo(nw,info);
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return true;
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}
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void RethinkDB::_memberChanged(nlohmann::json &old,nlohmann::json &member)
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{
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uint64_t memberId = 0;
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uint64_t networkId = 0;
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std::shared_ptr<_Network> nw;
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if (old.is_object()) {
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json &config = old["config"];
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if (config.is_object()) {
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memberId = OSUtils::jsonIntHex(config["id"],0ULL);
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networkId = OSUtils::jsonIntHex(config["nwid"],0ULL);
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if ((memberId)&&(networkId)) {
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nw2 = _networks.find(networkId);
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if (nw2 != _networks.end())
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nw = nw2->second;
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}
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if (nw) {
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std::lock_guard<std::mutex> l(nw->lock);
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if (OSUtils::jsonBool(config["activeBridge"],false))
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nw->activeBridgeMembers.erase(memberId);
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if (OSUtils::jsonBool(config["authorized"],false))
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nw->authorizedMembers.erase(memberId);
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json &ips = config["ipAssignments"];
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if (ips.is_array()) {
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for(unsigned long i=0;i<ips.size();++i) {
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json &ipj = ips[i];
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if (ipj.is_string()) {
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const std::string ips = ipj;
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InetAddress ipa(ips.c_str());
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ipa.setPort(0);
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nw->allocatedIps.erase(ipa);
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}
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}
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}
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}
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}
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}
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}
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if (member.is_object()) {
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json &config = member["config"];
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if (config.is_object()) {
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if (!nw) {
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memberId = OSUtils::jsonIntHex(config["id"],0ULL);
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networkId = OSUtils::jsonIntHex(config["nwid"],0ULL);
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if ((!memberId)||(!networkId))
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return;
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std::lock_guard<std::mutex> l(_networks_l);
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std::shared_ptr<_Network> &nw2 = _networks[networkId];
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if (!nw2)
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nw2.reset(new _Network);
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nw = nw2;
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}
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std::lock_guard<std::mutex> l(nw->lock);
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nw->members[memberId] = config;
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if (OSUtils::jsonBool(config["activeBridge"],false))
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nw->activeBridgeMembers.insert(memberId);
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const bool isAuth = OSUtils::jsonBool(config["authorized"],false);
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if (isAuth)
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nw->authorizedMembers.insert(memberId);
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json &ips = config["ipAssignments"];
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if (ips.is_array()) {
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for(unsigned long i=0;i<ips.size();++i) {
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json &ipj = ips[i];
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if (ipj.is_string()) {
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const std::string ips = ipj;
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InetAddress ipa(ips.c_str());
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ipa.setPort(0);
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nw->allocatedIps.insert(ipa);
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}
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}
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}
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if (!isAuth) {
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const int64_t ldt = (int64_t)OSUtils::jsonInt(config["lastDeauthorizedTime"],0ULL);
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if (ldt > nw->mostRecentDeauthTime)
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nw->mostRecentDeauthTime = ldt;
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}
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}
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}
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}
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void RethinkDB::_networkChanged(nlohmann::json &old,nlohmann::json &network)
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{
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if (network.is_object()) {
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json &config = network["config"];
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if (config.is_object()) {
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const std::string ids = config["id"];
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const uint64_t id = Utils::hexStrToU64(ids.c_str());
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if (id) {
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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std::shared_ptr<_Network> &nw2 = _networks[id];
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if (!nw2)
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nw2.reset(new _Network);
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nw = nw2;
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}
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std::lock_guard<std::mutex> l2(nw->lock);
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nw->config = config;
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}
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}
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} else if (old.is_object()) {
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const std::string ids = old["id"];
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const uint64_t id = Utils::hexStrToU64(ids.c_str());
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if (id) {
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std::lock_guard<std::mutex> l(_networks_l);
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_networks.erase(id);
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}
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}
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}
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} // namespace ZeroTier
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/*
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int main(int argc,char **argv)
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{
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ZeroTier::RethinkDB db(ZeroTier::Address(0x8056c2e21cULL),"10.6.6.188",28015,"ztc","");
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db.waitForReady();
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printf("ready.\n");
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pause();
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}
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*/
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