ZeroTierOne/controller/PostgreSQL.cpp

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/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2025-01-01
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*
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* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#include "PostgreSQL.hpp"
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#ifdef ZT_CONTROLLER_USE_LIBPQ
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#include "../node/Constants.hpp"
#include "../node/SHA512.hpp"
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#include "EmbeddedNetworkController.hpp"
#include "../version.h"
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#include "Redis.hpp"
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#include <libpq-fe.h>
#include <sstream>
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#include <climits>
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#include <chrono>
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//#define ZT_TRACE 1
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using json = nlohmann::json;
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namespace {
static const int DB_MINIMUM_VERSION = 20;
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static const char *_timestr()
{
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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;
}
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/*
std::string join(const std::vector<std::string> &elements, const char * const separator)
{
switch(elements.size()) {
case 0:
return "";
case 1:
return elements[0];
default:
std::ostringstream os;
std::copy(elements.begin(), elements.end()-1, std::ostream_iterator<std::string>(os, separator));
os << *elements.rbegin();
return os.str();
}
}
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*/
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std::vector<std::string> split(std::string str, char delim){
std::istringstream iss(str);
std::vector<std::string> tokens;
std::string item;
while(std::getline(iss, item, delim)) {
tokens.push_back(item);
}
return tokens;
}
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} // anonymous namespace
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using namespace ZeroTier;
MemberNotificationReceiver::MemberNotificationReceiver(PostgreSQL *p, pqxx::connection &c, const std::string &channel)
: pqxx::notification_receiver(c, channel)
, _psql(p)
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{
fprintf(stderr, "initialize MemberNotificaitonReceiver\n");
}
void MemberNotificationReceiver::operator() (const std::string &payload, int packend_pid) {
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fprintf(stderr, "Member Notification received: %s\n", payload.c_str());
json tmp(json::parse(payload));
json &ov = tmp["old_val"];
json &nv = tmp["new_val"];
json oldConfig, newConfig;
if (ov.is_object()) oldConfig = ov;
if (nv.is_object()) newConfig = nv;
if (oldConfig.is_object() || newConfig.is_object()) {
_psql->_memberChanged(oldConfig,newConfig,(_psql->_ready>=2));
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fprintf(stderr, "payload sent\n");
}
}
NetworkNotificationReceiver::NetworkNotificationReceiver(PostgreSQL *p, pqxx::connection &c, const std::string &channel)
: pqxx::notification_receiver(c, channel)
, _psql(p)
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{
fprintf(stderr, "initialize NetworkNotificationReceiver\n");
}
void NetworkNotificationReceiver::operator() (const std::string &payload, int packend_pid) {
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fprintf(stderr, "Network Notificaiton received: %s\n", payload.c_str());
json tmp(json::parse(payload));
json &ov = tmp["old_val"];
json &nv = tmp["new_val"];
json oldConfig, newConfig;
if (ov.is_object()) oldConfig = ov;
if (nv.is_object()) newConfig = nv;
if (oldConfig.is_object() || newConfig.is_object()) {
_psql->_networkChanged(oldConfig,newConfig,(_psql->_ready>=2));
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fprintf(stderr, "payload sent\n");
}
}
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using Attrs = std::vector<std::pair<std::string, std::string>>;
using Item = std::pair<std::string, Attrs>;
using ItemStream = std::vector<Item>;
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PostgreSQL::PostgreSQL(const Identity &myId, const char *path, int listenPort, RedisConfig *rc)
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: DB()
, _pool()
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, _myId(myId)
, _myAddress(myId.address())
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, _ready(0)
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, _connected(1)
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, _run(1)
, _waitNoticePrinted(false)
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, _listenPort(listenPort)
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, _rc(rc)
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, _redis(NULL)
, _cluster(NULL)
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{
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char myAddress[64];
_myAddressStr = myId.address().toString(myAddress);
_connString = std::string(path);
auto f = std::make_shared<PostgresConnFactory>(_connString);
_pool = std::make_shared<ConnectionPool<PostgresConnection> >(
15, 5, std::static_pointer_cast<ConnectionFactory>(f));
memset(_ssoPsk, 0, sizeof(_ssoPsk));
char *const ssoPskHex = getenv("ZT_SSO_PSK");
fprintf(stderr, "ZT_SSO_PSK: %s\n", ssoPskHex);
if (ssoPskHex) {
// SECURITY: note that ssoPskHex will always be null-terminated if libc acatually
// returns something non-NULL. If the hex encodes something shorter than 48 bytes,
// it will be padded at the end with zeroes. If longer, it'll be truncated.
Utils::unhex(ssoPskHex, _ssoPsk, sizeof(_ssoPsk));
}
auto c = _pool->borrow();
pqxx::work txn{*c->c};
pqxx::row r{txn.exec1("SELECT version FROM ztc_database")};
int dbVersion = r[0].as<int>();
txn.commit();
if (dbVersion < DB_MINIMUM_VERSION) {
fprintf(stderr, "Central database schema version too low. This controller version requires a minimum schema version of %d. Please upgrade your Central instance", DB_MINIMUM_VERSION);
exit(1);
}
_pool->unborrow(c);
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if (_rc != NULL) {
sw::redis::ConnectionOptions opts;
sw::redis::ConnectionPoolOptions poolOpts;
opts.host = _rc->hostname;
opts.port = _rc->port;
opts.password = _rc->password;
opts.db = 0;
poolOpts.size = 10;
if (_rc->clusterMode) {
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fprintf(stderr, "Using Redis in Cluster Mode\n");
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_cluster = std::make_shared<sw::redis::RedisCluster>(opts, poolOpts);
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} else {
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fprintf(stderr, "Using Redis in Standalone Mode\n");
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_redis = std::make_shared<sw::redis::Redis>(opts, poolOpts);
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}
}
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_readyLock.lock();
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fprintf(stderr, "[%s] NOTICE: %.10llx controller PostgreSQL waiting for initial data download..." ZT_EOL_S, ::_timestr(), (unsigned long long)_myAddress.toInt());
_waitNoticePrinted = true;
initializeNetworks();
initializeMembers();
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_heartbeatThread = std::thread(&PostgreSQL::heartbeat, this);
_membersDbWatcher = std::thread(&PostgreSQL::membersDbWatcher, this);
_networksDbWatcher = std::thread(&PostgreSQL::networksDbWatcher, this);
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for (int i = 0; i < ZT_CENTRAL_CONTROLLER_COMMIT_THREADS; ++i) {
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_commitThread[i] = std::thread(&PostgreSQL::commitThread, this);
}
_onlineNotificationThread = std::thread(&PostgreSQL::onlineNotificationThread, this);
}
PostgreSQL::~PostgreSQL()
{
_run = 0;
std::this_thread::sleep_for(std::chrono::milliseconds(100));
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_heartbeatThread.join();
_membersDbWatcher.join();
_networksDbWatcher.join();
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_commitQueue.stop();
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for (int i = 0; i < ZT_CENTRAL_CONTROLLER_COMMIT_THREADS; ++i) {
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_commitThread[i].join();
}
_onlineNotificationThread.join();
}
bool PostgreSQL::waitForReady()
{
while (_ready < 2) {
_readyLock.lock();
_readyLock.unlock();
}
return true;
}
bool PostgreSQL::isReady()
{
return ((_ready == 2)&&(_connected));
}
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bool PostgreSQL::save(nlohmann::json &record,bool notifyListeners)
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{
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bool modified = false;
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try {
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if (!record.is_object()) {
fprintf(stderr, "record is not an object?!?\n");
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return false;
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}
const std::string objtype = record["objtype"];
if (objtype == "network") {
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//fprintf(stderr, "network save\n");
const uint64_t nwid = OSUtils::jsonIntHex(record["id"],0ULL);
if (nwid) {
nlohmann::json old;
get(nwid,old);
if ((!old.is_object())||(!_compareRecords(old,record))) {
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
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_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
modified = true;
}
}
} else if (objtype == "member") {
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std::string networkId = record["nwid"];
std::string memberId = record["id"];
const uint64_t nwid = OSUtils::jsonIntHex(record["nwid"],0ULL);
const uint64_t id = OSUtils::jsonIntHex(record["id"],0ULL);
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//fprintf(stderr, "member save %s-%s\n", networkId.c_str(), memberId.c_str());
if ((id)&&(nwid)) {
nlohmann::json network,old;
get(nwid,network,id,old);
if ((!old.is_object())||(!_compareRecords(old,record))) {
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//fprintf(stderr, "commit queue post\n");
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
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_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
modified = true;
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} else {
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//fprintf(stderr, "no change\n");
}
}
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} else {
fprintf(stderr, "uhh waaat\n");
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}
} catch (std::exception &e) {
fprintf(stderr, "Error on PostgreSQL::save: %s\n", e.what());
} catch (...) {
fprintf(stderr, "Unknown error on PostgreSQL::save\n");
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}
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return modified;
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}
void PostgreSQL::eraseNetwork(const uint64_t networkId)
{
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fprintf(stderr, "PostgreSQL::eraseNetwork\n");
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char tmp2[24];
waitForReady();
Utils::hex(networkId, tmp2);
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std::pair<nlohmann::json,bool> tmp;
tmp.first["id"] = tmp2;
tmp.first["objtype"] = "_delete_network";
tmp.second = true;
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_commitQueue.post(tmp);
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nlohmann::json nullJson;
_networkChanged(tmp.first, nullJson, true);
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}
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void PostgreSQL::eraseMember(const uint64_t networkId, const uint64_t memberId)
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{
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fprintf(stderr, "PostgreSQL::eraseMember\n");
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char tmp2[24];
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waitForReady();
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std::pair<nlohmann::json,bool> tmp, nw;
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Utils::hex(networkId, tmp2);
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tmp.first["nwid"] = tmp2;
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Utils::hex(memberId, tmp2);
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tmp.first["id"] = tmp2;
tmp.first["objtype"] = "_delete_member";
tmp.second = true;
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_commitQueue.post(tmp);
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nlohmann::json nullJson;
_memberChanged(tmp.first, nullJson, true);
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}
void PostgreSQL::nodeIsOnline(const uint64_t networkId, const uint64_t memberId, const InetAddress &physicalAddress)
{
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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;
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}
}
std::string PostgreSQL::getSSOAuthURL(const nlohmann::json &member, const std::string &redirectURL)
{
// NONCE is just a random character string. no semantic meaning
// state = HMAC SHA384 of Nonce based on shared sso key
//
// need nonce timeout in database? make sure it's used within X time
// X is 5 minutes for now. Make configurable later?
//
// how do we tell when a nonce is used? if auth_expiration_time is set
std::string networkId = member["nwid"];
std::string memberId = member["id"];
char authenticationURL[4096] = {0};
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//fprintf(stderr, "PostgreSQL::updateMemberOnLoad: %s-%s\n", networkId.c_str(), memberId.c_str());
bool have_auth = false;
try {
auto c = _pool->borrow();
pqxx::work w(*c->c);
char nonceBytes[16] = {0};
std::string nonce = "";
// check if the member exists first.
pqxx::row count = w.exec_params1("SELECT count(id) FROM ztc_member WHERE id = $1 AND network_id = $2 AND deleted = false", memberId, networkId);
if (count[0].as<int>() == 1) {
// find an unused nonce, if one exists.
pqxx::result r = w.exec_params("SELECT nonce FROM ztc_sso_expiry "
"WHERE network_id = $1 AND member_id = $2 "
"AND authentication_expiry_time IS NULL AND ((NOW() AT TIME ZONE 'UTC') <= nonce_expiration)",
networkId, memberId);
if (r.size() == 1) {
// we have an existing nonce. Use it
nonce = r.at(0)[0].as<std::string>();
Utils::unhex(nonce.c_str(), nonceBytes, sizeof(nonceBytes));
} else if (r.empty()) {
// create a nonce
Utils::getSecureRandom(nonceBytes, 16);
char nonceBuf[64] = {0};
Utils::hex(nonceBytes, sizeof(nonceBytes), nonceBuf);
nonce = std::string(nonceBuf);
pqxx::result ir = w.exec_params0("INSERT INTO ztc_sso_expiry "
"(nonce, nonce_expiration, network_id, member_id) VALUES "
"($1, TO_TIMESTAMP($2::double precision/1000), $3, $4)",
nonce, OSUtils::now() + 300000, networkId, memberId);
w.commit();
} else {
// > 1 ?!? Thats an error!
fprintf(stderr, "> 1 unused nonce!\n");
exit(6);
}
r = w.exec_params("SELECT org.client_id, org.authorization_endpoint "
"FROM ztc_network AS nw, ztc_org AS org "
"WHERE nw.id = $1 AND nw.sso_enabled = true AND org.owner_id = nw.owner_id", networkId);
std::string client_id = "";
std::string authorization_endpoint = "";
if (r.size() == 1) {
client_id = r.at(0)[0].as<std::string>();
authorization_endpoint = r.at(0)[1].as<std::string>();
} else if (r.size() > 1) {
fprintf(stderr, "ERROR: More than one auth endpoint for an organization?!?!? NetworkID: %s\n", networkId.c_str());
} else {
fprintf(stderr, "No client or auth endpoint?!?\n");
}
// no catch all else because we don't actually care if no records exist here. just continue as normal.
if ((!client_id.empty())&&(!authorization_endpoint.empty())) {
have_auth = true;
uint8_t state[48];
HMACSHA384(_ssoPsk, nonceBytes, sizeof(nonceBytes), state);
char state_hex[256];
Utils::hex(state, 48, state_hex);
OSUtils::ztsnprintf(authenticationURL, sizeof(authenticationURL),
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"%s?response_type=id_token&response_mode=form_post&scope=openid+email+profile&redirect_uri=%s&nonce=%s&state=%s&client_id=%s",
authorization_endpoint.c_str(),
redirectURL.c_str(),
nonce.c_str(),
state_hex,
client_id.c_str());
} else {
fprintf(stderr, "client_id: %s\nauthorization_endpoint: %s\n", client_id.c_str(), authorization_endpoint.c_str());
}
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}
_pool->unborrow(c);
} catch (std::exception &e) {
fprintf(stderr, "ERROR: Error updating member on load: %s\n", e.what());
}
return std::string(authenticationURL);
}
void PostgreSQL::initializeNetworks()
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{
try {
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std::string setKey = "networks:{" + _myAddressStr + "}";
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fprintf(stderr, "Initializing Networks...\n");
char qbuf[2048] = {0};
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sprintf(qbuf, "SELECT n.id, (EXTRACT(EPOCH FROM n.creation_time AT TIME ZONE 'UTC')*1000)::bigint as creation_time, n.capabilities, "
"n.enable_broadcast, (EXTRACT(EPOCH FROM n.last_modified AT TIME ZONE 'UTC')*1000)::bigint AS last_modified, n.mtu, n.multicast_limit, n.name, n.private, n.remote_trace_level, "
"n.remote_trace_target, n.revision, n.rules, n.tags, n.v4_assign_mode, n.v6_assign_mode, n.sso_enabled, (CASE WHEN n.sso_enabled THEN o.client_id ELSE NULL END) as client_id, "
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"(CASE WHEN n.sso_enabled THEN o.authorization_endpoint ELSE NULL END) as authorization_endpoint, d.domain, d.servers, "
"ARRAY(SELECT CONCAT(host(ip_range_start),'|', host(ip_range_end)) FROM ztc_network_assignment_pool WHERE network_id = n.id) AS assignment_pool, "
"ARRAY(SELECT CONCAT(host(address),'/',bits::text,'|',COALESCE(host(via), 'NULL'))FROM ztc_network_route WHERE network_id = n.id) AS routes "
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"FROM ztc_network n "
"LEFT OUTER JOIN ztc_org o "
" ON o.owner_id = n.owner_id "
"LEFT OUTER JOIN ztc_network_dns d "
" ON d.network_id = n.id "
"WHERE deleted = false AND controller_id = '%s'", _myAddressStr.c_str());
auto c = _pool->borrow();
auto c2 = _pool->borrow();
pqxx::work w{*c->c};
auto stream = pqxx::stream_from::query(w, qbuf);
std::tuple<
std::string // network ID
, std::optional<int64_t> // creationTime
, std::optional<std::string> // capabilities
, std::optional<bool> // enableBroadcast
, std::optional<uint64_t> // lastModified
, std::optional<int> // mtu
, std::optional<int> // multicastLimit
, std::optional<std::string> // name
, bool // private
, std::optional<int> // remoteTraceLevel
, std::optional<std::string> // remoteTraceTarget
, std::optional<uint64_t> // revision
, std::optional<std::string> // rules
, std::optional<std::string> // tags
, std::optional<std::string> // v4AssignMode
, std::optional<std::string> // v6AssignMode
, std::optional<bool> // ssoEnabled
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, std::optional<std::string> // clientId
, std::optional<std::string> // authorizationEndpoint
, std::optional<std::string> // domain
, std::optional<std::string> // servers
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, std::string // assignmentPoolString
, std::string // routeString
> row;
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uint64_t count = 0;
auto tmp = std::chrono::high_resolution_clock::now();
uint64_t total = 0;
while (stream >> row) {
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auto start = std::chrono::high_resolution_clock::now();
json empty;
json config;
initNetwork(config);
std::string nwid = std::get<0>(row);
std::optional<int64_t> creationTime = std::get<1>(row);
std::optional<std::string> capabilities = std::get<2>(row);
std::optional<bool> enableBroadcast = std::get<3>(row);
std::optional<uint64_t> lastModified = std::get<4>(row);
std::optional<int> mtu = std::get<5>(row);
std::optional<int> multicastLimit = std::get<6>(row);
std::optional<std::string> name = std::get<7>(row);
bool isPrivate = std::get<8>(row);
std::optional<int> remoteTraceLevel = std::get<9>(row);
std::optional<std::string> remoteTraceTarget = std::get<10>(row);
std::optional<uint64_t> revision = std::get<11>(row);
std::optional<std::string> rules = std::get<12>(row);
std::optional<std::string> tags = std::get<13>(row);
std::optional<std::string> v4AssignMode = std::get<14>(row);
std::optional<std::string> v6AssignMode = std::get<15>(row);
std::optional<bool> ssoEnabled = std::get<16>(row);
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std::optional<std::string> clientId = std::get<17>(row);
std::optional<std::string> authorizationEndpoint = std::get<18>(row);
std::optional<std::string> dnsDomain = std::get<19>(row);
std::optional<std::string> dnsServers = std::get<20>(row);
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std::string assignmentPoolString = std::get<21>(row);
std::string routesString = std::get<22>(row);
config["id"] = nwid;
config["nwid"] = nwid;
config["creationTime"] = creationTime.value_or(0);
config["capabilities"] = json::parse(capabilities.value_or("[]"));
config["enableBroadcast"] = enableBroadcast.value_or(false);
config["lastModified"] = lastModified.value_or(0);
config["mtu"] = mtu.value_or(2800);
config["multicastLimit"] = multicastLimit.value_or(64);
config["name"] = name.value_or("");
config["private"] = isPrivate;
config["remoteTraceLevel"] = remoteTraceLevel.value_or(0);
config["remoteTraceTarget"] = remoteTraceTarget.value_or("");
config["revision"] = revision.value_or(0);
config["rules"] = json::parse(rules.value_or("[]"));
config["tags"] = json::parse(tags.value_or("[]"));
config["v4AssignMode"] = json::parse(v4AssignMode.value_or("{}"));
config["v6AssignMode"] = json::parse(v6AssignMode.value_or("{}"));
config["ssoEnabled"] = ssoEnabled.value_or(false);
config["objtype"] = "network";
config["ipAssignmentPools"] = json::array();
config["routes"] = json::array();
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config["clientId"] = clientId.value_or("");
config["authorizationEndpoint"] = authorizationEndpoint.value_or("");
if (dnsDomain.has_value()) {
std::string serverList = dnsServers.value();
json obj;
auto servers = json::array();
if (serverList.rfind("{",0) != std::string::npos) {
serverList = serverList.substr(1, serverList.size()-2);
std::stringstream ss(serverList);
while(ss.good()) {
std::string server;
std::getline(ss, server, ',');
servers.push_back(server);
}
}
obj["domain"] = dnsDomain.value();
obj["servers"] = servers;
config["dns"] = obj;
}
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config["ipAssignmentPools"] = json::array();
if (assignmentPoolString != "{}") {
std::string tmp = assignmentPoolString.substr(1, assignmentPoolString.size()-2);
std::vector<std::string> assignmentPools = split(tmp, ',');
for (auto it = assignmentPools.begin(); it != assignmentPools.end(); ++it) {
std::vector<std::string> r = split(*it, '|');
json ip;
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ip["ipRangeStart"] = r[0];
ip["ipRangeEnd"] = r[1];
config["ipAssignmentPools"].push_back(ip);
}
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}
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config["routes"] = json::array();
if (routesString != "{}") {
std::string tmp = routesString.substr(1, routesString.size()-2);
std::vector<std::string> routes = split(tmp, ',');
for (auto it = routes.begin(); it != routes.end(); ++it) {
std::vector<std::string> r = split(*it, '|');
json route;
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route["target"] = r[0];
route["via"] = ((route["via"] == "NULL")? nullptr : r[1]);
config["routes"].push_back(route);
}
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}
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_networkChanged(empty, config, false);
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auto end = std::chrono::high_resolution_clock::now();
auto dur = std::chrono::duration_cast<std::chrono::microseconds>(end - start);;
total += dur.count();
++count;
if (count % 10000 == 0) {
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fprintf(stderr, "Averaging %llu us per network\n", (total/count));
}
}
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fprintf(stderr, "Took %llu us per network to load\n", (total/count));
stream.complete();
w.commit();
_pool->unborrow(c2);
_pool->unborrow(c);
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if (++this->_ready == 2) {
if (_waitNoticePrinted) {
fprintf(stderr,"[%s] NOTICE: %.10llx controller PostgreSQL data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
}
_readyLock.unlock();
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}
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} catch (sw::redis::Error &e) {
fprintf(stderr, "ERROR: Error initializing networks in Redis: %s\n", e.what());
exit(-1);
} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error initializing networks: %s\n", e.what());
exit(-1);
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}
}
void PostgreSQL::initializeMembers()
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{
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std::string memberId;
std::string networkId;
try {
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std::unordered_map<std::string, std::string> networkMembers;
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fprintf(stderr, "Initializing Members...\n");
char qbuf[2048];
sprintf(qbuf, "SELECT m.id, m.network_id, m.active_bridge, m.authorized, m.capabilities, (EXTRACT(EPOCH FROM m.creation_time AT TIME ZONE 'UTC')*1000)::bigint, m.identity, "
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" (EXTRACT(EPOCH FROM m.last_authorized_time AT TIME ZONE 'UTC')*1000)::bigint, "
" (EXTRACT(EPOCH FROM m.last_deauthorized_time AT TIME ZONE 'UTC')*1000)::bigint, "
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" m.remote_trace_level, m.remote_trace_target, m.tags, m.v_major, m.v_minor, m.v_rev, m.v_proto, "
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" m.no_auto_assign_ips, m.revision, sso_exempt, "
" (SELECT (EXTRACT(EPOCH FROM e.authentication_expiry_time)*1000)::bigint "
" FROM ztc_sso_expiry e "
" INNER JOIN ztc_network n1 "
" ON n.id = e.network_id "
" WHERE e.network_id = m.network_id AND e.member_id = m.id AND n.sso_enabled = TRUE AND e.authentication_expiry_time IS NOT NULL "
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" ORDER BY e.authentication_expiry_time DESC LIMIT 1) AS authentication_expiry_time, "
" ARRAY(SELECT DISTINCT address FROM ztc_member_ip_assignment WHERE member_id = m.id AND network_id = m.network_id) AS assigned_addresses "
"FROM ztc_member m "
"INNER JOIN ztc_network n "
" ON n.id = m.network_id "
"WHERE n.controller_id = '%s' AND m.deleted = false", _myAddressStr.c_str());
auto c = _pool->borrow();
auto c2 = _pool->borrow();
pqxx::work w{*c->c};
auto stream = pqxx::stream_from::query(w, qbuf);
std::tuple<
std::string // memberId
, std::string // memberId
, std::optional<bool> // activeBridge
, std::optional<bool> // authorized
, std::optional<std::string> // capabilities
, std::optional<uint64_t> // creationTime
, std::optional<std::string> // identity
, std::optional<uint64_t> // lastAuthorizedTime
, std::optional<uint64_t> // lastDeauthorizedTime
, std::optional<int> // remoteTraceLevel
, std::optional<std::string> // remoteTraceTarget
, std::optional<std::string> // tags
, std::optional<int> // vMajor
, std::optional<int> // vMinor
, std::optional<int> // vRev
, std::optional<int> // vProto
, std::optional<bool> // noAutoAssignIps
, std::optional<uint64_t> // revision
, std::optional<bool> // ssoExempt
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, std::optional<uint64_t> // authenticationExpiryTime
, std::string // assignedAddresses
> row;
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uint64_t count = 0;
auto tmp = std::chrono::high_resolution_clock::now();
uint64_t total = 0;
while (stream >> row) {
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auto start = std::chrono::high_resolution_clock::now();
json empty;
json config;
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initMember(config);
memberId = std::get<0>(row);
networkId = std::get<1>(row);
std::optional<bool> activeBridge = std::get<2>(row);
std::optional<bool> authorized = std::get<3>(row);
std::optional<std::string> capabilities = std::get<4>(row);
std::optional<uint64_t> creationTime = std::get<5>(row);
std::optional<std::string> identity = std::get<6>(row);
std::optional<uint64_t> lastAuthorizedTime = std::get<7>(row);
std::optional<uint64_t> lastDeauthorizedTime = std::get<8>(row);
std::optional<int> remoteTraceLevel = std::get<9>(row);
std::optional<std::string> remoteTraceTarget = std::get<10>(row);
std::optional<std::string> tags = std::get<11>(row);
std::optional<int> vMajor = std::get<12>(row);
std::optional<int> vMinor = std::get<13>(row);
std::optional<int> vRev = std::get<14>(row);
std::optional<int> vProto = std::get<15>(row);
std::optional<bool> noAutoAssignIps = std::get<16>(row);
std::optional<uint64_t> revision = std::get<17>(row);
std::optional<bool> ssoExempt = std::get<18>(row);
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std::optional<uint64_t> authenticationExpiryTime = std::get<19>(row);
std::string assignedAddresses = std::get<20>(row);
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config["id"] = memberId;
config["nwid"] = networkId;
config["activeBridge"] = activeBridge.value_or(false);
config["authorized"] = authorized.value_or(false);
config["capabilities"] = json::parse(capabilities.value_or("[]"));
config["creationTime"] = creationTime.value_or(0);
config["identity"] = identity.value_or("");
config["lastAuthorizedTime"] = lastAuthorizedTime.value_or(0);
config["lastDeauthorizedTime"] = lastDeauthorizedTime.value_or(0);
config["remoteTraceLevel"] = remoteTraceLevel.value_or(0);
config["remoteTraceTarget"] = remoteTraceTarget.value_or("");
config["tags"] = json::parse(tags.value_or("[]"));
config["vMajor"] = vMajor.value_or(-1);
config["vMinor"] = vMinor.value_or(-1);
config["vRev"] = vRev.value_or(-1);
config["vProto"] = vProto.value_or(-1);
config["noAutoAssignIps"] = noAutoAssignIps.value_or(false);
config["revision"] = revision.value_or(0);
config["ssoExempt"] = ssoExempt.value_or(false);
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config["authenticationExpiryTime"] = authenticationExpiryTime.value_or(0);
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config["objtype"] = "member";
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config["ipAssignments"] = json::array();
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if (assignedAddresses != "{}") {
std::string tmp = assignedAddresses.substr(1, assignedAddresses.size()-2);
std::vector<std::string> addrs = split(tmp, ',');
for (auto it = addrs.begin(); it != addrs.end(); ++it) {
config["ipAssignments"].push_back(*it);
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}
}
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_memberChanged(empty, config, false);
memberId = "";
networkId = "";
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auto end = std::chrono::high_resolution_clock::now();
auto dur = std::chrono::duration_cast<std::chrono::microseconds>(end - start);;
total += dur.count();
++count;
if (count % 10000 == 0) {
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fprintf(stderr, "Averaging %llu us per member\n", (total/count));
}
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}
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fprintf(stderr, "Took %llu us per member to load\n", (total/count));
stream.complete();
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w.commit();
_pool->unborrow(c2);
_pool->unborrow(c);
if (++this->_ready == 2) {
if (_waitNoticePrinted) {
fprintf(stderr,"[%s] NOTICE: %.10llx controller PostgreSQL data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
}
_readyLock.unlock();
}
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} catch (sw::redis::Error &e) {
fprintf(stderr, "ERROR: Error initializing members (redis): %s\n", e.what());
} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error initializing member: %s-%s %s\n", networkId.c_str(), memberId.c_str(), e.what());
exit(-1);
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}
}
void PostgreSQL::heartbeat()
{
char publicId[1024];
char hostnameTmp[1024];
_myId.toString(false,publicId);
if (gethostname(hostnameTmp, sizeof(hostnameTmp))!= 0) {
hostnameTmp[0] = (char)0;
} else {
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for (int i = 0; i < (int)sizeof(hostnameTmp); ++i) {
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if ((hostnameTmp[i] == '.')||(hostnameTmp[i] == 0)) {
hostnameTmp[i] = (char)0;
break;
}
}
}
const char *controllerId = _myAddressStr.c_str();
const char *publicIdentity = publicId;
const char *hostname = hostnameTmp;
while (_run == 1) {
auto c = _pool->borrow();
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int64_t ts = OSUtils::now();
if(c->c) {
pqxx::work w{*c->c};
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std::string major = std::to_string(ZEROTIER_ONE_VERSION_MAJOR);
std::string minor = std::to_string(ZEROTIER_ONE_VERSION_MINOR);
std::string rev = std::to_string(ZEROTIER_ONE_VERSION_REVISION);
std::string build = std::to_string(ZEROTIER_ONE_VERSION_BUILD);
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std::string now = std::to_string(ts);
std::string host_port = std::to_string(_listenPort);
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std::string use_redis = (_rc != NULL) ? "true" : "false";
try {
pqxx::result res = w.exec0("INSERT INTO ztc_controller (id, cluster_host, last_alive, public_identity, v_major, v_minor, v_rev, v_build, host_port, use_redis) "
"VALUES ("+w.quote(controllerId)+", "+w.quote(hostname)+", TO_TIMESTAMP("+now+"::double precision/1000), "+
w.quote(publicIdentity)+", "+major+", "+minor+", "+rev+", "+build+", "+host_port+", "+use_redis+") "
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"ON CONFLICT (id) DO UPDATE SET cluster_host = EXCLUDED.cluster_host, last_alive = EXCLUDED.last_alive, "
"public_identity = EXCLUDED.public_identity, v_major = EXCLUDED.v_major, v_minor = EXCLUDED.v_minor, "
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"v_rev = EXCLUDED.v_rev, v_build = EXCLUDED.v_rev, host_port = EXCLUDED.host_port, "
"use_redis = EXCLUDED.use_redis");
} catch (std::exception &e) {
fprintf(stderr, "Heartbeat update failed: %s\n", e.what());
w.abort();
_pool->unborrow(c);
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
continue;
}
w.commit();
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}
_pool->unborrow(c);
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std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
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fprintf(stderr, "Exited heartbeat thread\n");
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}
void PostgreSQL::membersDbWatcher()
{
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if (_rc) {
_membersWatcher_Redis();
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} else {
_membersWatcher_Postgres();
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}
if (_run == 1) {
fprintf(stderr, "ERROR: %s membersDbWatcher should still be running! Exiting Controller.\n", _myAddressStr.c_str());
exit(9);
}
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fprintf(stderr, "Exited membersDbWatcher\n");
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}
void PostgreSQL::_membersWatcher_Postgres() {
auto c = _pool->borrow();
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std::string stream = "member_" + _myAddressStr;
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fprintf(stderr, "Listening to member stream: %s\n", stream.c_str());
MemberNotificationReceiver m(this, *c->c, stream);
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while(_run == 1) {
c->c->await_notification(5, 0);
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}
_pool->unborrow(c);
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}
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void PostgreSQL::_membersWatcher_Redis() {
char buf[11] = {0};
std::string key = "member-stream:{" + std::string(_myAddress.toString(buf)) + "}";
fprintf(stderr, "Listening to member stream: %s\n", key.c_str());
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while (_run == 1) {
try {
json tmp;
std::unordered_map<std::string, ItemStream> result;
if (_rc->clusterMode) {
_cluster->xread(key, "$", std::chrono::seconds(1), 0, std::inserter(result, result.end()));
} else {
_redis->xread(key, "$", std::chrono::seconds(1), 0, std::inserter(result, result.end()));
}
if (!result.empty()) {
for (auto element : result) {
#ifdef ZT_TRACE
fprintf(stdout, "Received notification from: %s\n", element.first.c_str());
#endif
for (auto rec : element.second) {
std::string id = rec.first;
auto attrs = rec.second;
#ifdef ZT_TRACE
fprintf(stdout, "Record ID: %s\n", id.c_str());
fprintf(stdout, "attrs len: %lu\n", attrs.size());
#endif
for (auto a : attrs) {
#ifdef ZT_TRACE
fprintf(stdout, "key: %s\nvalue: %s\n", a.first.c_str(), a.second.c_str());
#endif
try {
tmp = json::parse(a.second);
json &ov = tmp["old_val"];
json &nv = tmp["new_val"];
json oldConfig, newConfig;
if (ov.is_object()) oldConfig = ov;
if (nv.is_object()) newConfig = nv;
if (oldConfig.is_object()||newConfig.is_object()) {
_memberChanged(oldConfig,newConfig,(this->_ready >= 2));
}
} catch (...) {
fprintf(stderr, "json parse error in networkWatcher_Redis\n");
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}
}
if (_rc->clusterMode) {
_cluster->xdel(key, id);
} else {
_redis->xdel(key, id);
}
}
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}
}
} catch (sw::redis::Error &e) {
fprintf(stderr, "Error in Redis members watcher: %s\n", e.what());
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}
}
fprintf(stderr, "membersWatcher ended\n");
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}
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void PostgreSQL::networksDbWatcher()
{
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if (_rc) {
_networksWatcher_Redis();
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} else {
_networksWatcher_Postgres();
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}
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if (_run == 1) {
fprintf(stderr, "ERROR: %s networksDbWatcher should still be running! Exiting Controller.\n", _myAddressStr.c_str());
exit(8);
}
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fprintf(stderr, "Exited networksDbWatcher\n");
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}
void PostgreSQL::_networksWatcher_Postgres() {
std::string stream = "network_" + _myAddressStr;
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fprintf(stderr, "Listening to member stream: %s\n", stream.c_str());
auto c = _pool->borrow();
NetworkNotificationReceiver n(this, *c->c, stream);
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while(_run == 1) {
c->c->await_notification(5,0);
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}
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}
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void PostgreSQL::_networksWatcher_Redis() {
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char buf[11] = {0};
std::string key = "network-stream:{" + std::string(_myAddress.toString(buf)) + "}";
while (_run == 1) {
try {
json tmp;
std::unordered_map<std::string, ItemStream> result;
if (_rc->clusterMode) {
_cluster->xread(key, "$", std::chrono::seconds(1), 0, std::inserter(result, result.end()));
} else {
_redis->xread(key, "$", std::chrono::seconds(1), 0, std::inserter(result, result.end()));
}
if (!result.empty()) {
for (auto element : result) {
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#ifdef ZT_TRACE
fprintf(stdout, "Received notification from: %s\n", element.first.c_str());
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#endif
for (auto rec : element.second) {
std::string id = rec.first;
auto attrs = rec.second;
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#ifdef ZT_TRACE
fprintf(stdout, "Record ID: %s\n", id.c_str());
fprintf(stdout, "attrs len: %lu\n", attrs.size());
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#endif
for (auto a : attrs) {
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#ifdef ZT_TRACE
fprintf(stdout, "key: %s\nvalue: %s\n", a.first.c_str(), a.second.c_str());
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#endif
try {
tmp = json::parse(a.second);
json &ov = tmp["old_val"];
json &nv = tmp["new_val"];
json oldConfig, newConfig;
if (ov.is_object()) oldConfig = ov;
if (nv.is_object()) newConfig = nv;
if (oldConfig.is_object()||newConfig.is_object()) {
_networkChanged(oldConfig,newConfig,(this->_ready >= 2));
}
} catch (...) {
fprintf(stderr, "json parse error in networkWatcher_Redis\n");
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}
}
if (_rc->clusterMode) {
_cluster->xdel(key, id);
} else {
_redis->xdel(key, id);
}
}
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}
}
} catch (sw::redis::Error &e) {
fprintf(stderr, "Error in Redis networks watcher: %s\n", e.what());
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}
}
fprintf(stderr, "networksWatcher ended\n");
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}
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void PostgreSQL::commitThread()
{
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fprintf(stderr, "commitThread start\n");
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std::pair<nlohmann::json,bool> qitem;
while(_commitQueue.get(qitem)&(_run == 1)) {
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//fprintf(stderr, "commitThread tick\n");
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if (!qitem.first.is_object()) {
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fprintf(stderr, "not an object\n");
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continue;
}
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try {
nlohmann::json *config = &(qitem.first);
const std::string objtype = (*config)["objtype"];
if (objtype == "member") {
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//fprintf(stderr, "commitThread: member\n");
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try {
auto c = _pool->borrow();
pqxx::work w(*c->c);
std::string memberId = (*config)["id"];
std::string networkId = (*config)["nwid"];
std::string target = "NULL";
if (!(*config)["remoteTraceTarget"].is_null()) {
target = (*config)["remoteTraceTarget"];
}
pqxx::result res = w.exec_params0(
"INSERT INTO ztc_member (id, network_id, active_bridge, authorized, capabilities, "
"identity, last_authorized_time, last_deauthorized_time, no_auto_assign_ips, "
"remote_trace_level, remote_trace_target, revision, tags, v_major, v_minor, v_rev, v_proto) "
"VALUES ($1, $2, $3, $4, $5, $6, "
"TO_TIMESTAMP($7::double precision/1000), TO_TIMESTAMP($8::double precision/1000), "
"$9, $10, $11, $12, $13, $14, $15, $16, $17) ON CONFLICT (network_id, id) DO UPDATE SET "
"active_bridge = EXCLUDED.active_bridge, authorized = EXCLUDED.authorized, capabilities = EXCLUDED.capabilities, "
"identity = EXCLUDED.identity, last_authorized_time = EXCLUDED.last_authorized_time, "
"last_deauthorized_time = EXCLUDED.last_deauthorized_time, no_auto_assign_ips = EXCLUDED.no_auto_assign_ips, "
"remote_trace_level = EXCLUDED.remote_trace_level, remote_trace_target = EXCLUDED.remote_trace_target, "
"revision = EXCLUDED.revision+1, tags = EXCLUDED.tags, v_major = EXCLUDED.v_major, "
"v_minor = EXCLUDED.v_minor, v_rev = EXCLUDED.v_rev, v_proto = EXCLUDED.v_proto",
memberId,
networkId,
(bool)(*config)["activeBridge"],
(bool)(*config)["authorized"],
OSUtils::jsonDump((*config)["capabilities"], -1),
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OSUtils::jsonString((*config)["identity"], ""),
(uint64_t)(*config)["lastAuthorizedTime"],
(uint64_t)(*config)["lastDeauthorizedTime"],
(bool)(*config)["noAutoAssignIps"],
(int)(*config)["remoteTraceLevel"],
target,
(uint64_t)(*config)["revision"],
OSUtils::jsonDump((*config)["tags"], -1),
(int)(*config)["vMajor"],
(int)(*config)["vMinor"],
(int)(*config)["vRev"],
(int)(*config)["vProto"]);
res = w.exec_params0("DELETE FROM ztc_member_ip_assignment WHERE member_id = $1 AND network_id = $2",
memberId, networkId);
std::vector<std::string> assignments;
bool ipAssignError = false;
for (auto i = (*config)["ipAssignments"].begin(); i != (*config)["ipAssignments"].end(); ++i) {
std::string addr = *i;
if (std::find(assignments.begin(), assignments.end(), addr) != assignments.end()) {
continue;
}
res = w.exec_params0(
"INSERT INTO ztc_member_ip_assignment (member_id, network_id, address) VALUES ($1, $2, $3) ON CONFLICT (network_id, member_id, address) DO NOTHING",
memberId, networkId, addr);
assignments.push_back(addr);
}
if (ipAssignError) {
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fprintf(stderr, "ipAssignError\n");
delete config;
config = nullptr;
continue;
}
w.commit();
_pool->unborrow(c);
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const uint64_t nwidInt = OSUtils::jsonIntHex((*config)["nwid"], 0ULL);
const uint64_t memberidInt = OSUtils::jsonIntHex((*config)["id"], 0ULL);
if (nwidInt && memberidInt) {
nlohmann::json nwOrig;
nlohmann::json memOrig;
nlohmann::json memNew(*config);
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get(nwidInt, nwOrig, memberidInt, memOrig);
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_memberChanged(memOrig, memNew, qitem.second);
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} else {
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fprintf(stderr, "Can't notify of change. Error parsing nwid or memberid: %llu-%llu\n", (unsigned long long)nwidInt, (unsigned long long)memberidInt);
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}
} catch (std::exception &e) {
fprintf(stderr, "ERROR: Error updating member: %s\n", e.what());
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}
} else if (objtype == "network") {
try {
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//fprintf(stderr, "commitThread: network\n");
auto c = _pool->borrow();
pqxx::work w(*c->c);
std::string id = (*config)["id"];
std::string remoteTraceTarget = "";
if(!(*config)["remoteTraceTarget"].is_null()) {
remoteTraceTarget = (*config)["remoteTraceTarget"];
}
std::string rulesSource = "";
if ((*config)["rulesSource"].is_string()) {
rulesSource = (*config)["rulesSource"];
}
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// This ugly query exists because when we want to mirror networks to/from
// another data store (e.g. FileDB or LFDB) it is possible to get a network
// that doesn't exist in Central's database. This does an upsert and sets
// the owner_id to the "first" global admin in the user DB if the record
// did not previously exist. If the record already exists owner_id is left
// unchanged, so owner_id should be left out of the update clause.
pqxx::result res = w.exec_params0(
"INSERT INTO ztc_network (id, creation_time, owner_id, controller_id, capabilities, enable_broadcast, "
"last_modified, mtu, multicast_limit, name, private, "
"remote_trace_level, remote_trace_target, rules, rules_source, "
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"tags, v4_assign_mode, v6_assign_mode, sso_enabled) VALUES ("
"$1, TO_TIMESTAMP($5::double precision/1000), "
"(SELECT user_id AS owner_id FROM ztc_global_permissions WHERE authorize = true AND del = true AND modify = true AND read = true LIMIT 1),"
"$2, $3, $4, TO_TIMESTAMP($5::double precision/1000), "
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"$6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, 17) "
"ON CONFLICT (id) DO UPDATE set controller_id = EXCLUDED.controller_id, "
"capabilities = EXCLUDED.capabilities, enable_broadcast = EXCLUDED.enable_broadcast, "
"last_modified = EXCLUDED.last_modified, mtu = EXCLUDED.mtu, "
"multicast_limit = EXCLUDED.multicast_limit, name = EXCLUDED.name, "
"private = EXCLUDED.private, remote_trace_level = EXCLUDED.remote_trace_level, "
"remote_trace_target = EXCLUDED.remote_trace_target, rules = EXCLUDED.rules, "
"rules_source = EXCLUDED.rules_source, tags = EXCLUDED.tags, "
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"v4_assign_mode = EXCLUDED.v4_assign_mode, v6_assign_mode = EXCLUDED.v6_assign_mode, "
"sso_enabled = EXCLUDED.sso_enabled",
id,
_myAddressStr,
OSUtils::jsonDump((*config)["capabilitles"], -1),
(bool)(*config)["enableBroadcast"],
OSUtils::now(),
(int)(*config)["mtu"],
(int)(*config)["multicastLimit"],
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OSUtils::jsonString((*config)["name"],""),
(bool)(*config)["private"],
(int)(*config)["remoteTraceLevel"],
remoteTraceTarget,
OSUtils::jsonDump((*config)["rules"], -1),
rulesSource,
OSUtils::jsonDump((*config)["tags"], -1),
OSUtils::jsonDump((*config)["v4AssignMode"],-1),
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OSUtils::jsonDump((*config)["v6AssignMode"], -1),
OSUtils::jsonBool((*config)["ssoEnabled"], false));
res = w.exec_params0("DELETE FROM ztc_network_assignment_pool WHERE network_id = $1", 0);
auto pool = (*config)["ipAssignmentPools"];
bool err = false;
for (auto i = pool.begin(); i != pool.end(); ++i) {
std::string start = (*i)["ipRangeStart"];
std::string end = (*i)["ipRangeEnd"];
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res = w.exec_params0(
"INSERT INTO ztc_network_assignment_pool (network_id, ip_range_start, ip_range_end) "
"VALUES ($1, $2, $3)", id, start, end);
}
res = w.exec_params0("DELETE FROM ztc_network_route WHERE network_id = $1", id);
auto routes = (*config)["routes"];
err = false;
for (auto i = routes.begin(); i != routes.end(); ++i) {
std::string t = (*i)["target"];
std::vector<std::string> target;
std::istringstream f(t);
std::string s;
while(std::getline(f, s, '/')) {
target.push_back(s);
}
if (target.empty() || target.size() != 2) {
continue;
}
std::string targetAddr = target[0];
std::string targetBits = target[1];
std::string via = "NULL";
if (!(*i)["via"].is_null()) {
via = (*i)["via"];
}
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res = w.exec_params0("INSERT INTO ztc_network_route (network_id, address, bits, via) VALUES ($1, $2, $3, $4)",
id, targetAddr, targetBits, (via == "NULL" ? NULL : via.c_str()));
}
if (err) {
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fprintf(stderr, "route add error\n");
w.abort();
_pool->unborrow(c);
delete config;
config = nullptr;
continue;
}
auto dns = (*config)["dns"];
std::string domain = dns["domain"];
std::stringstream servers;
servers << "{";
for (auto j = dns["servers"].begin(); j < dns["servers"].end(); ++j) {
servers << *j;
if ( (j+1) != dns["servers"].end()) {
servers << ",";
}
}
servers << "}";
std::string s = servers.str();
res = w.exec_params0("INSERT INTO ztc_network_dns (network_id, domain, servers) VALUES ($1, $2, $3) ON CONFLICT (network_id) DO UPDATE SET domain = EXCLUDED.domain, servers = EXCLUDED.servers",
id, domain, s);
w.commit();
_pool->unborrow(c);
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const uint64_t nwidInt = OSUtils::jsonIntHex((*config)["nwid"], 0ULL);
if (nwidInt) {
nlohmann::json nwOrig;
nlohmann::json nwNew(*config);
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get(nwidInt, nwOrig);
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_networkChanged(nwOrig, nwNew, qitem.second);
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} else {
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fprintf(stderr, "Can't notify network changed: %llu\n", (unsigned long long)nwidInt);
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}
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} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error updating network: %s\n", e.what());
}
} else if (objtype == "_delete_network") {
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//fprintf(stderr, "commitThread: delete network\n");
try {
auto c = _pool->borrow();
pqxx::work w(*c->c);
std::string networkId = (*config)["nwid"];
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pqxx::result res = w.exec_params0("UPDATE ztc_network SET deleted = true WHERE id = $1",
networkId);
w.commit();
_pool->unborrow(c);
} catch (std::exception &e) {
fprintf(stderr, "ERROR: Error deleting network: %s\n", e.what());
}
} else if (objtype == "_delete_member") {
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//fprintf(stderr, "commitThread: delete member\n");
try {
auto c = _pool->borrow();
pqxx::work w(*c->c);
std::string memberId = (*config)["id"];
std::string networkId = (*config)["nwid"];
pqxx::result res = w.exec_params0(
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"UPDATE ztc_member SET hidden = true, deleted = true WHERE id = $1 AND network_id = $2",
memberId, networkId);
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w.commit();
_pool->unborrow(c);
} catch (std::exception &e) {
fprintf(stderr, "ERROR: Error deleting member: %s\n", e.what());
}
} else {
fprintf(stderr, "ERROR: unknown objtype");
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}
} catch (std::exception &e) {
fprintf(stderr, "ERROR: Error getting objtype: %s\n", e.what());
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}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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2020-05-12 18:56:19 +00:00
fprintf(stderr, "commitThread finished\n");
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}
void PostgreSQL::onlineNotificationThread()
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{
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waitForReady();
onlineNotification_Postgres();
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}
void PostgreSQL::onlineNotification_Postgres()
{
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_connected = 1;
nlohmann::json jtmp1, jtmp2;
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while (_run == 1) {
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auto c = _pool->borrow();
try {
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);
}
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pqxx::work w(*c->c);
// using pqxx::stream_to would be a really nice alternative here, but
// unfortunately it doesn't support upserts.
// fprintf(stderr, "online notification tick\n");
std::stringstream memberUpdate;
memberUpdate << "INSERT INTO ztc_member_status (network_id, member_id, address, last_updated) VALUES ";
bool firstRun = true;
bool memberAdded = false;
int updateCount = 0;
for (auto i=lastOnline.begin(); i != lastOnline.end(); ++i) {
updateCount += 1;
uint64_t nwid_i = i->first.first;
char nwidTmp[64];
char memTmp[64];
char ipTmp[64];
OSUtils::ztsnprintf(nwidTmp,sizeof(nwidTmp), "%.16llx", nwid_i);
OSUtils::ztsnprintf(memTmp,sizeof(memTmp), "%.10llx", i->first.second);
if(!get(nwid_i, jtmp1, i->first.second, jtmp2)) {
continue; // skip non existent networks/members
}
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std::string networkId(nwidTmp);
std::string memberId(memTmp);
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const char *qvals[2] = {
networkId.c_str(),
memberId.c_str()
};
try {
pqxx::row r = w.exec_params1("SELECT id, network_id FROM ztc_member WHERE network_id = $1 AND id = $2",
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networkId, memberId);
} catch (pqxx::unexpected_rows &e) {
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// fprintf(stderr, "Member count failed: %s\n", e.what());
continue;
}
int64_t ts = i->second.first;
std::string ipAddr = i->second.second.toIpString(ipTmp);
std::string timestamp = std::to_string(ts);
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if (firstRun) {
firstRun = false;
} else {
memberUpdate << ", ";
}
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memberUpdate << "('" << networkId << "', '" << memberId << "', ";
if (ipAddr.empty()) {
memberUpdate << "NULL, ";
} else {
memberUpdate << "'" << ipAddr << "', ";
}
memberUpdate << "TO_TIMESTAMP(" << timestamp << "::double precision/1000))";
memberAdded = true;
}
memberUpdate << " ON CONFLICT (network_id, member_id) DO UPDATE SET address = EXCLUDED.address, last_updated = EXCLUDED.last_updated;";
if (memberAdded) {
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//fprintf(stderr, "%s\n", memberUpdate.str().c_str());
pqxx::result res = w.exec0(memberUpdate.str());
w.commit();
}
// fprintf(stderr, "Updated online status of %d members\n", updateCount);
} catch (std::exception &e) {
fprintf(stderr, "%s: error in onlinenotification thread: %s\n", _myAddressStr.c_str(), e.what());
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}
_pool->unborrow(c);
ConnectionPoolStats stats = _pool->get_stats();
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fprintf(stderr, "%s pool stats: in use size: %llu, available size: %llu, total: %llu\n",
_myAddressStr.c_str(), stats.borrowed_size, stats.pool_size, (stats.borrowed_size + stats.pool_size));
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std::this_thread::sleep_for(std::chrono::seconds(10));
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}
fprintf(stderr, "%s: Fell out of run loop in onlineNotificationThread\n", _myAddressStr.c_str());
if (_run == 1) {
fprintf(stderr, "ERROR: %s onlineNotificationThread should still be running! Exiting Controller.\n", _myAddressStr.c_str());
exit(6);
}
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}
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void PostgreSQL::onlineNotification_Redis()
{
_connected = 1;
char buf[11] = {0};
std::string controllerId = std::string(_myAddress.toString(buf));
while (_run == 1) {
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);
}
try {
if (!lastOnline.empty()) {
if (_rc->clusterMode) {
auto tx = _cluster->transaction(controllerId, true);
_doRedisUpdate(tx, controllerId, lastOnline);
} else {
auto tx = _redis->transaction(true);
_doRedisUpdate(tx, controllerId, lastOnline);
}
}
} catch (sw::redis::Error &e) {
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#ifdef ZT_TRACE
fprintf(stderr, "Error in online notification thread (redis): %s\n", e.what());
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#endif
}
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std::this_thread::sleep_for(std::chrono::seconds(10));
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}
}
void PostgreSQL::_doRedisUpdate(sw::redis::Transaction &tx, std::string &controllerId,
std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > &lastOnline)
{
nlohmann::json jtmp1, jtmp2;
for (auto i=lastOnline.begin(); i != lastOnline.end(); ++i) {
uint64_t nwid_i = i->first.first;
uint64_t memberid_i = i->first.second;
char nwidTmp[64];
char memTmp[64];
char ipTmp[64];
OSUtils::ztsnprintf(nwidTmp,sizeof(nwidTmp), "%.16llx", nwid_i);
OSUtils::ztsnprintf(memTmp,sizeof(memTmp), "%.10llx", memberid_i);
if (!get(nwid_i, jtmp1, memberid_i, jtmp2)){
continue; // skip non existent members/networks
}
std::string networkId(nwidTmp);
std::string memberId(memTmp);
int64_t ts = i->second.first;
std::string ipAddr = i->second.second.toIpString(ipTmp);
std::string timestamp = std::to_string(ts);
std::unordered_map<std::string, std::string> record = {
{"id", memberId},
{"address", ipAddr},
{"last_updated", std::to_string(ts)}
};
tx.zadd("nodes-online:{"+controllerId+"}", memberId, ts)
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.zadd("nodes-online2:{"+controllerId+"}", networkId+"-"+memberId, ts)
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.zadd("network-nodes-online:{"+controllerId+"}:"+networkId, memberId, ts)
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.zadd("active-networks:{"+controllerId+"}", networkId, ts)
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.sadd("network-nodes-all:{"+controllerId+"}:"+networkId, memberId)
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.hmset("member:{"+controllerId+"}:"+networkId+":"+memberId, record.begin(), record.end());
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}
// expire records from all-nodes and network-nodes member list
uint64_t expireOld = OSUtils::now() - 300000;
tx.zremrangebyscore("nodes-online:{"+controllerId+"}", sw::redis::RightBoundedInterval<double>(expireOld, sw::redis::BoundType::LEFT_OPEN));
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tx.zremrangebyscore("nodes-online2:{"+controllerId+"}", sw::redis::RightBoundedInterval<double>(expireOld, sw::redis::BoundType::LEFT_OPEN));
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tx.zremrangebyscore("active-networks:{"+controllerId+"}", sw::redis::RightBoundedInterval<double>(expireOld, sw::redis::BoundType::LEFT_OPEN));
{
std::lock_guard<std::mutex> l(_networks_l);
for (const auto &it : _networks) {
uint64_t nwid_i = it.first;
char nwidTmp[64];
OSUtils::ztsnprintf(nwidTmp,sizeof(nwidTmp), "%.16llx", nwid_i);
tx.zremrangebyscore("network-nodes-online:{"+controllerId+"}:"+nwidTmp,
sw::redis::RightBoundedInterval<double>(expireOld, sw::redis::BoundType::LEFT_OPEN));
}
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}
tx.exec();
}
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#endif //ZT_CONTROLLER_USE_LIBPQ