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ZeroTierOne/controller/PostgreSQL.cpp

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/*
* 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_LIBPQ
#include "PostgreSQL.hpp"
#include "EmbeddedNetworkController.hpp"
#include "../version.h"
#include <libpq-fe.h>
using json = nlohmann::json;
namespace {
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;
}
}
using namespace ZeroTier;
PostgreSQL::PostgreSQL(EmbeddedNetworkController *const nc, const Identity &myId, const char *path)
: DB(nc, myId, path)
, _ready(0)
, _connected(1)
, _run(1)
, _waitNoticePrinted(false)
{
_connString = std::string(path);
_readyLock.lock();
_heartbeatThread = std::thread(&PostgreSQL::heartbeat, this);
_membersDbWatcher = std::thread(&PostgreSQL::membersDbWatcher, this);
_networksDbWatcher = std::thread(&PostgreSQL::networksDbWatcher, this);
for (int i = 0; i < ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS; ++i) {
_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));
_heartbeatThread.join();
_membersDbWatcher.join();
_networksDbWatcher.join();
for (int i = 0; i < ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS; ++i) {
_commitThread[i].join();
}
_onlineNotificationThread.join();
}
bool PostgreSQL::waitForReady()
{
while (_ready < 2) {
if (!_waitNoticePrinted) {
_waitNoticePrinted = true;
fprintf(stderr, "[%s] NOTICE: %.10llx controller PostgreSQL waiting for initial data download..." ZT_EOL_S, ::_timestr(), (unsigned long long)_myAddress.toInt());
}
_readyLock.lock();
_readyLock.unlock();
}
return true;
}
bool PostgreSQL::isReady()
{
return ((_ready == 2)&&(_connected));
}
void PostgreSQL::save(nlohmann::json *orig, nlohmann::json &record)
{
if (!record.is_object()) {
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 PostgreSQL::eraseNetwork(const uint64_t networkId)
{
char tmp2[24];
waitForReady();
Utils::hex(networkId, tmp2);
json *tmp = new json();
(*tmp)["id"] = tmp2;
(*tmp)["objtype"] = "_delete_network";
_commitQueue.post(tmp);
}
void PostgreSQL::eraseMember(const uint64_t networkId, const uint64_t memberId)
{
char tmp2[24];
json *tmp = new json();
Utils::hex(networkId, tmp2);
(*tmp)["nwid"] = tmp2;
Utils::hex(memberId, tmp2);
(*tmp)["id"] = tmp2;
(*tmp)["objtype"] = "_delete_member";
_commitQueue.post(tmp);
}
void PostgreSQL::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;
}
}
void PostgreSQL::initializeNetworks(PGconn *conn)
{
if (PQstatus(conn) != CONNECTION_OK) {
fprintf(stderr, "Bad Database Connection: %s", PQerrorMessage(conn));
exit(1);
}
const char *params[1] = {
_myAddressStr.c_str()
};
PGresult *res = PQexecParams(conn, "SELECT id, EXTRACT(EPOCH FROM creation_time AT TIME ZONE 'UTC')*1000, capabilities, "
"enable_broadcast, EXTRACT(EPOCH FROM last_modified AT TIME ZONE 'UTC')*1000, mtu, multicast_limit, name, private, remote_trace_level, "
"remote_trace_target, revision, rules, tags, v4_assign_mode, v6_assign_mode FROM ztc_network "
"WHERE deleted = false AND controller_id = $1",
1,
NULL,
params,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_TUPLES_OK) {
fprintf(stderr, "Networks Initialization Failed: %s", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
int numRows = PQntuples(res);
for (int i = 0; i < numRows; ++i) {
json empty;
json config;
config["nwid"] = PQgetvalue(res, i, 0);
config["creationTime"] = std::stoull(PQgetvalue(res, i, 1));
config["capabilities"] = json::parse(PQgetvalue(res, i, 2));
config["enableBroadcast"] = (strcmp(PQgetvalue(res, i, 3),"true")==0);
config["lastModified"] = std::stoull(PQgetvalue(res, i, 4));
config["mtu"] = std::stoi(PQgetvalue(res, i, 5));
config["multicastLimit"] = std::stoi(PQgetvalue(res, i, 6));
config["name"] = PQgetvalue(res, i, 7);
config["private"] = (strcmp(PQgetvalue(res, i, 8),"true")==0);
config["remoteTraceLevel"] = std::stoi(PQgetvalue(res, i, 9));
config["remoteTraceTarget"] = PQgetvalue(res, i, 10);
config["revision"] = std::stoull(PQgetvalue(res, i, 11));
config["rules"] = json::parse(PQgetvalue(res, i, 12));
config["tags"] = json::parse(PQgetvalue(res, i, 13));
config["v4AssignMode"] = json::parse(PQgetvalue(res, i, 14));
config["v6AssignMode"] = json::parse(PQgetvalue(res, i, 15));
config["objtype"] = "network";
config["ipAssignmentPools"] = json::array();
config["routes"] = json::array();
PGresult *r2 = PQexecParams(conn,
"SELECT host(ip_range_start), host(ip_range_end) FROM ztc_network_assignment_pool WHERE network_id = $1",
1,
NULL,
params,
NULL,
NULL,
0);
if (PQresultStatus(r2) != PGRES_TUPLES_OK) {
fprintf(stderr, "ERROR: Error retreiving IP pools for network: %s\n", PQresultErrorMessage(r2));
PQclear(r2);
PQclear(res);
exit(1);
}
int n = PQntuples(r2);
for (int j = 0; j < n; ++j) {
json ip;
ip["ipRangeStart"] = PQgetvalue(r2, j, 0);
ip["ipRangeEnd"] = PQgetvalue(r2, j, 1);
config["ipAssignmentPools"].push_back(ip);
}
PQclear(r2);
r2 = PQexecParams(conn,
"SELECT host(address), bits, host(via) FROM ztc_network_route WHERE network_id = $1",
1,
NULL,
params,
NULL,
NULL,
0);
if (PQresultStatus(r2) != PGRES_TUPLES_OK) {
fprintf(stderr, "ERROR: Error retreiving routes for network: %s\n", PQresultErrorMessage(r2));
PQclear(r2);
PQclear(res);
exit(1);
}
n = PQntuples(r2);
for (int j = 0; j < n; ++j) {
std::string addr = PQgetvalue(r2, j, 0);
std::string bits = PQgetvalue(r2, j, 1);
std::string via = PQgetvalue(r2, j, 2);
json route;
route["target"] = addr + "/" + bits;
if (via == "NULL") {
route["via"] = nullptr;
} else {
route["via"] = via;
}
config["routes"].push_back(route);
}
PQclear(r2);
_networkChanged(empty, config, false);
}
PQclear(res);
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();
}
}
void PostgreSQL::initializeMembers(PGconn *conn)
{
if (PQstatus(conn) != CONNECTION_OK) {
fprintf(stderr, "Bad Database Connection: %s", PQerrorMessage(conn));
exit(1);
}
const char *params[1] = {
_myAddressStr.c_str()
};
PGresult *res = PQexecParams(conn,
"SELECT m.id, m.network_id, m.active_bridge, m.authorized, m.capabilities, EXTRACT(EPOCH FROM m.creation_time AT TIME ZONE 'UTC')*1000, m.identity, "
" EXTRACT(EPOCH FROM m.last_authorized_time AT TIME ZONE 'UTC')*1000, "
" EXTRACT(EPOCH FROM m.last_deauthorized_time AT TIME ZONE 'UTC')*1000, "
" m.remote_trace_level, m.remote_trace_target, m.tags, m.v_major, m.v_minor, m.v_rev, m.v_proto, "
" m.no_auto_assign_ips, m.revision "
"FROM ztc_member m "
"INNER JOIN ztc_network n "
" ON n.id = m.network_id "
"WHERE n.controller_id = $1 AND m.deleted = false",
1,
NULL,
params,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_TUPLES_OK) {
fprintf(stderr, "Member Initialization Failed: %s", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
int numRows = PQntuples(res);
for (int i = 0; i < numRows; ++i) {
json empty;
json config;
std::string memberId(PQgetvalue(res, i, 0));
std::string networkId(PQgetvalue(res, i, 1));
config["id"] = memberId;
config["nwid"] = networkId;
config["activeBridge"] = (strcmp(PQgetvalue(res, i, 3), "true") == 0);
config["authorized"] = (strcmp(PQgetvalue(res, i, 4), "true") == 0);
config["capabilities"] = json::parse(PQgetvalue(res, i, 5));
config["creationTime"] = std::stoull(PQgetvalue(res, i, 6));
config["identity"] = PQgetvalue(res, i, 7);
config["lastAuthorizedTime"] = std::stoull(PQgetvalue(res, i, 8));
config["lastDeauthorizedTime"] = std::stoull(PQgetvalue(res, i, 9));
config["remoteTraceLevel"] = std::stoi(PQgetvalue(res, i, 10));
config["remoteTraceTarget"] = PQgetvalue(res, i, 11);
config["tags"] = json::parse(PQgetvalue(res, i, 12));
config["vMajor"] = std::stoi(PQgetvalue(res, i, 13));
config["vMinor"] = std::stoi(PQgetvalue(res, i, 14));
config["vRev"] = std::stoi(PQgetvalue(res, i, 15));
config["vProto"] = std::stoi(PQgetvalue(res, i, 16));
config["noAutoAssignIps"] = (strcmp(PQgetvalue(res, i, 17), "true") == 0);
config["revision"] = std::stoull(PQgetvalue(res, i, 18));
config["objtype"] = "member";
config["ipAssignments"] = json::array();
const char *p2[2] = {
memberId.c_str(),
networkId.c_str()
};
PGresult *r2 = PQexecParams(conn,
"SELECT address FROM ztc_member_ip_assignment WHERE member_id = $1 AND network_id = $2",
2,
NULL,
p2,
NULL,
NULL,
0);
if (PQresultStatus(r2) != PGRES_TUPLES_OK) {
fprintf(stderr, "Member Initialization Failed: %s", PQerrorMessage(conn));
PQclear(r2);
PQclear(res);
exit(1);
}
int n = PQntuples(r2);
for (int j = 0; j < n; ++j) {
config["ipAssignments"].push_back(PQgetvalue(r2, j, 0));
}
_memberChanged(empty, config, false);
}
PQclear(res);
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();
}
}
void PostgreSQL::heartbeat()
{
char publicId[1024];
char hostnameTmp[1024];
_myId.toString(false,publicId);
if (gethostname(hostnameTmp, sizeof(hostnameTmp))!= 0) {
hostnameTmp[0] = (char)0;
} else {
for (int i = 0; i < sizeof(hostnameTmp); ++i) {
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;
PGconn *conn = PQconnectdb(_path.c_str());
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
while (_run == 1) {
if(PQstatus(conn) != CONNECTION_OK) {
PQfinish(conn);
conn = PQconnectdb(_path.c_str());
}
if (conn) {
const char *values[8] = {
controllerId,
hostname,
std::to_string(OSUtils::now()).c_str(),
publicIdentity,
std::to_string(ZEROTIER_ONE_VERSION_MAJOR).c_str(),
std::to_string(ZEROTIER_ONE_VERSION_MINOR).c_str(),
std::to_string(ZEROTIER_ONE_VERSION_REVISION).c_str(),
std::to_string(ZEROTIER_ONE_VERSION_BUILD).c_str()
};
int lengths[8] = {
(int)strlen(values[0]),
(int)strlen(values[1]),
(int)strlen(values[2]),
(int)strlen(values[3]),
(int)strlen(values[4]),
(int)strlen(values[5]),
(int)strlen(values[6]),
(int)strlen(values[7])
};
int binary[8] = {0,0,0,0,0,0,0,0};
PGresult *res = PQexecParams(conn,
"INSERT INTO ztc_controller (id, cluster_host, last_alive, public_identity, v_major, v_minor, v_rev, v_build) "
"VALUES ($1, $2, TO_TIMESTAMP($3::double precision/1000), $4, $5, $6, $7, $8) "
"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, "
"v_rev = EXCLUDED.v_rev, v_build = EXCLUDED.v_rev",
8, // number of parameters
NULL, // oid field. ignore
values, // values for substitution
lengths, // lengths in bytes of each value
binary, // binary?
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "Heartbeat Update Failed: %s\n", PQresultErrorMessage(res));
}
PQclear(res);
}
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
PQfinish(conn);
conn = NULL;
}
void PostgreSQL::membersDbWatcher()
{
PGconn *conn = PQconnectdb(_path.c_str());
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
initializeMembers(conn);
char buf[11] = {0};
std::string cmd = "LISTEN member_" + std::string(_myAddress.toString(buf));
PGresult *res = PQexec(conn, cmd.c_str());
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "LISTEN command failed: %s\n", PQresultErrorMessage(res));
PQclear(res);
PQfinish(conn);
exit(1);
}
PQclear(res); res = NULL;
while(_run == 1) {
if (PQstatus(conn) != CONNECTION_OK) {
fprintf(stderr, "ERROR: Member Watcher lost connection to Postgres.");
exit(-1);
}
PGnotify *notify = NULL;
PQconsumeInput(conn);
while ((notify = PQnotifies(conn)) != NULL) {
fprintf(stderr, "ASYNC NOTIFY of '%s' id:%s received\n", notify->relname, notify->extra);
try {
json tmp(json::parse(notify->extra));
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 (...) {} // ignore bad records
free(notify);
}
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
PQfinish(conn);
conn = NULL;
}
void PostgreSQL::networksDbWatcher()
{
PGconn *conn = PQconnectdb(_path.c_str());
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
initializeNetworks(conn);
char buf[11] = {0};
std::string cmd = "LISTEN network_" + std::string(_myAddress.toString(buf));
PGresult *res = PQexec(conn, cmd.c_str());
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "LISTEN command failed: %s\n", PQresultErrorMessage(res));
PQclear(res);
PQfinish(conn);
exit(1);
}
PQclear(res); res = NULL;
while(_run == 1) {
if (PQstatus(conn) != CONNECTION_OK) {
fprintf(stderr, "ERROR: Network Watcher lost connection to Postgres.");
exit(-1);
}
PGnotify *notify = NULL;
PQconsumeInput(conn);
while ((notify = PQnotifies(conn)) != NULL) {
fprintf(stderr, "ASYNC NOTIFY of '%s' id:%s received\n", notify->relname, notify->extra);
try {
json tmp(json::parse(notify->extra));
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 (...) {} // ignore bad records
free(notify);
}
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
PQfinish(conn);
conn = NULL;
}
void PostgreSQL::commitThread()
{
PGconn *conn = PQconnectdb(_path.c_str());
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
json *config = nullptr;
while(_commitQueue.get(config)&(_run == 1)) {
if (!config) {
continue;
}
const std::string objtype = (*config)["objtype"];
if (objtype == "member") {
std::string memberId = (*config)["id"];
std::string networkId = (*config)["nwid"];
std::string name = (*config)["name"];
std::string description = (*config)["description"];
std::string identity = (*config)["identity"];
std::string target = "NULL";
if (!(*config)["remoteTraceTarget"].is_null()) {
target = (*config)["remoteTraceTarget"];
}
const char *values[19] = {
memberId.c_str(),
networkId.c_str(),
((*config)["activeBridge"] ? "true" : "false"),
((*config)["authorized"] ? "true" : "false"),
OSUtils::jsonDump((*config)["capabilities"], -1).c_str(),
name.c_str(),
description.c_str(),
identity.c_str(),
std::to_string((long long)(*config)["lastAuthorizedTime"]).c_str(),
std::to_string((long long)(*config)["lastDeauthorizedTime"]).c_str(),
((*config)["noAutoAssignIps"] ? "true" : "false"),
std::to_string((int)(*config)["remoteTraceLevel"]).c_str(),
(target == "NULL") ? NULL : target.c_str(),
std::to_string((unsigned long long)(*config)["revision"]).c_str(),
OSUtils::jsonDump((*config)["tags"], -1).c_str(),
std::to_string((int)(*config)["vMajor"]).c_str(),
std::to_string((int)(*config)["vMinor"]).c_str(),
std::to_string((int)(*config)["vRev"]).c_str(),
std::to_string((int)(*config)["vProto"]).c_str()
};
PGresult *res = PQexecParams(conn,
"INSERT INTO ztc_member (id, network_id, active_bridge, authorized, capabilities, "
"name, description, 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, $7, $8, "
"TO_TIMESTAMP($9::double precision/1000), TO_TIMESTAMP($10::double precision/1000), "
"$11, $12, $13, $14, $15, $16, $17, $18, $19) ON CONFLICT (network_id, id) DO UPDATE SET "
"active_bridge = EXCLUDED.active_bridge, authorized = EXCDLUDED.authorized, capabilities = EXCLUDED.capabilities, "
"name = EXCLUDED.name, description = EXCLUDED.description, "
"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",
20,
NULL,
values,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error updating member: %s\n", PQresultErrorMessage(res));
PQclear(res);
continue;
}
PQclear(res);
res = PQexec(conn, "BEGIN");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error beginning transaction: %s\n", PQresultErrorMessage(res));
PQclear(res);
continue;
}
PQclear(res);
const char *v2[2] = {
memberId.c_str(),
networkId.c_str()
};
res = PQexecParams(conn,
"DELETE FROM ztc_member_ip_assignment WHERE member_id = $1 AND network_id = $2",
2,
NULL,
v2,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error updating IP address assignments: %s\n", PQresultErrorMessage(res));
PQclear(res);
PQclear(PQexec(conn, "ROLLBACK"));;
continue;
}
PQclear(res);
for (auto i = (*config)["ipAssignments"].begin(); i != (*config)["ipAssignments"].end(); ++i) {
std::string addr = *i;
const char *v3[3] = {
memberId.c_str(),
networkId.c_str(),
addr.c_str()
};
res = PQexecParams(conn,
"INSERT INTO ztc_member_ip_assignment (member_id, network_id, address) VALUES ($1, $2, $3)",
3,
NULL,
v3,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error setting IP addresses for member: %s\n", PQresultErrorMessage(res));
PQclear(res);
PQclear(PQexec(conn, "ROLLBACK"));
continue;
}
}
res = PQexec(conn, "COMMIT");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error committing ip address data: %s\n", PQresultErrorMessage(res));
}
PQclear(res);
} else if (objtype == "network") {
} else if (objtype == "trace") {
fprintf(stderr, "ERROR: Trace not yet implemented");
} else if (objtype == "_delete_network") {
std::string networkId = (*config)["nwid"];
const char *values[1] = {
networkId.c_str()
};
PGresult * res = PQexecParams(conn,
"UPDATE ztc_network SET deleted = true WHERE id = $1",
1,
NULL,
values,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error deleting network: %s\n", PQresultErrorMessage(res));
}
PQclear(res);
} else if (objtype == "_delete_member") {
std::string memberId = (*config)["id"];
std::string networkId = (*config)["nwid"];
const char *values[2] = {
memberId.c_str(),
networkId.c_str()
};
PGresult *res = PQexecParams(conn,
"UPDATE ztc_member SET hidden = true, deleted = true WHERE id = $1 AND network_id = $2",
2,
NULL,
values,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error deleting member: %s\n", PQresultErrorMessage(res));
}
PQclear(res);
}
delete config;
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
PQfinish(conn);
}
void PostgreSQL::onlineNotificationThread()
{
PGconn *conn = PQconnectdb(_path.c_str());
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}
_connected = 1;
int64_t lastUpdatedNetworkStatus = 0;
std::unordered_map< std::pair<uint64_t,uint64_t>,int64_t,_PairHasher > lastOnlineCumulative;
while (_run == 1) {
if (PQstatus(conn) != CONNECTION_OK) {
fprintf(stderr, "ERROR: Online Notification thread lost connection to Postgres.");
exit(-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);
}
PGresult *res = NULL;
int qCount = 0;
if (!lastOnline.empty()) {
fprintf(stderr, "Last Online Update\n");
res = PQexec(conn, "BEGIN");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on BEGIN command (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
exit(1);
}
PQclear(res);
}
for (auto i=lastOnline.begin(); i != lastOnline.end(); ++i) {
lastOnlineCumulative[i->first] = i->second.first;
char nwidTmp[64];
char memTmp[64];
char ipTmp[64];
OSUtils::ztsnprintf(nwidTmp,sizeof(nwidTmp), "%.16llx", i->first.first);
OSUtils::ztsnprintf(memTmp,sizeof(memTmp), "%.10llx", i->first.second);
std::string networkId(nwidTmp);
std::string memberId(memTmp);
int64_t ts = i->second.first;
std::string ipAddr = i->second.second.toIpString(ipTmp);
const char *values[4] = {
networkId.c_str(),
memberId.c_str(),
std::to_string(ts).c_str(),
ipAddr.c_str()
};
res = PQexecParams(conn,
"INSERT INTO ztc_member_status (network_id, member_id, address, last_updated) VALUES ($1, $2, $3, $4)"
"ON CONFLICT (network_id, member_id) DO UPDATE SET address = EXCLUDED.address, last_updated = EXCLUDED.last_updated",
8, // number of parameters
NULL, // oid field. ignore
values, // values for substitution
NULL, // lengths in bytes of each value
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "Error on Member Status upsert: %s\n", PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
PQclear(res);
if ((++qCount) == 1024) {
res = PQexec(conn, "COMMIT");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on commit (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
PQclear(res);
res = PQexec(conn, "BEGIN");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on BEGIN (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
exit(1);
}
PQclear(res);
qCount = 0;
}
}
if (qCount > 0) {
fprintf(stderr, "qCount is %d\n", qCount);
res = PQexec(conn, "COMMIT");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on commit (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
PQclear(res);
}
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);
for (auto i = _networks.begin(); i != _networks.end(); ++i) {
networks.push_back(*i);
}
}
int nCount = 0;
if (!networks.empty()) {
fprintf(stderr, "Network update");
res = PQexec(conn, "BEGIN");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on BEGIN command (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
exit(1);
}
PQclear(res);
}
for (auto i = networks.begin(); i != networks.end(); ++i) {
char tmp[64];
Utils::hex(i->first, tmp);
std::string networkId(tmp);
uint64_t authMemberCount = 0;
uint64_t totalMemberCount = 0;
uint64_t onlineMemberCount = 0;
uint64_t bridgeCount = 0;
uint64_t ts = now;
{
std::lock_guard<std::mutex> l2(i->second->lock);
authMemberCount = i->second->authorizedMembers.size();
totalMemberCount = i->second->members.size();
bridgeCount = i->second->activeBridgeMembers.size();
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);
}
}
}
}
const char *values[6] = {
networkId.c_str(),
std::to_string(bridgeCount).c_str(),
std::to_string(authMemberCount).c_str(),
std::to_string(onlineMemberCount).c_str(),
std::to_string(totalMemberCount).c_str(),
std::to_string(ts).c_str()
};
res = PQexecParams(conn, "INSERT INTO ztc_network_status (network_id, bridge_count, authorized_member_count, "
"online_member_count, total_member_count, last_modified) VALUES ($1, $2, $3, $4, $5, $6) "
"ON CONFLICT (network_id) DO UPDATE SET bridge_count = EXCLUDED.bridge_count, "
"authorized_member_count = EXCLUDED.authorized_member_count, online_member_count = EXCDLUDED.online_member_count, "
"total_member_count = EXCLUDED.total_member_count, last_modified = EXCLUDED.last_modified",
6,
NULL,
values,
NULL,
NULL,
0);
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on Network Satus upsert (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
if ((++nCount) == 1024) {
res = PQexec(conn, "COMMIT");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on COMMIT (onlineNotificationThread): %s\n" , PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
res = PQexec(conn, "BEGIN");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on BEGIN command (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
exit(1);
}
nCount = 0;
}
}
if (nCount > 0) {
fprintf(stderr, "nCount is %d\n", nCount);
res = PQexec(conn, "COMMIT");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "ERROR: Error on COMMIT (onlineNotificationThread): %s\n", PQresultErrorMessage(res));
PQclear(res);
PQexec(conn, "ROLLBACK");
exit(1);
}
}
}
std::this_thread::sleep_for(std::chrono::milliseconds(250));
}
PQfinish(conn);
}
#endif //ZT_CONTROLLER_USE_LIBPQ
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