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Merge pull request #2196 from xmrig/feature-dns2

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Improved DNS subsystem
This commit is contained in:
xmrig 2021-03-20 12:50:53 +07:00 committed by GitHub
commit bc4f6249be
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GPG key ID: 4AEE18F83AFDEB23
26 changed files with 701 additions and 244 deletions
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8
src/base/base.cmake
View file

@ -32,6 +32,7 @@ set(HEADERS_BASE
src/base/kernel/interfaces/IConfigListener.h
src/base/kernel/interfaces/IConfigTransform.h
src/base/kernel/interfaces/IConsoleListener.h
src/base/kernel/interfaces/IDnsBackend.h
src/base/kernel/interfaces/IDnsListener.h
src/base/kernel/interfaces/ILineListener.h
src/base/kernel/interfaces/ILogBackend.h
@ -43,7 +44,11 @@ set(HEADERS_BASE
src/base/kernel/Platform.h
src/base/kernel/Process.h
src/base/net/dns/Dns.h
src/base/net/dns/DnsConfig.h
src/base/net/dns/DnsRecord.h
src/base/net/dns/DnsRecords.h
src/base/net/dns/DnsRequest.h
src/base/net/dns/DnsUvBackend.h
src/base/net/http/Http.h
src/base/net/http/HttpListener.h
src/base/net/stratum/BaseClient.h
@ -99,7 +104,10 @@ set(SOURCES_BASE
src/base/kernel/Platform.cpp
src/base/kernel/Process.cpp
src/base/net/dns/Dns.cpp
src/base/net/dns/DnsConfig.cpp
src/base/net/dns/DnsRecord.cpp
src/base/net/dns/DnsRecords.cpp
src/base/net/dns/DnsUvBackend.cpp
src/base/net/http/Http.cpp
src/base/net/stratum/BaseClient.cpp
src/base/net/stratum/Client.cpp

3
src/base/kernel/config/BaseConfig.cpp
View file

@ -23,6 +23,7 @@
#include "base/io/log/Log.h"
#include "base/io/log/Tags.h"
#include "base/kernel/interfaces/IJsonReader.h"
#include "base/net/dns/Dns.h"
#include "version.h"
@ -105,6 +106,8 @@ bool xmrig::BaseConfig::read(const IJsonReader &reader, const char *fileName)
m_http.load(reader.getObject(kHttp));
m_pools.load(reader);
Dns::set(reader.getObject(DnsConfig::kField));
return m_pools.active() > 0;
}

9
src/base/kernel/config/BaseTransform.cpp
View file

@ -33,6 +33,7 @@
#include "base/kernel/config/BaseConfig.h"
#include "base/kernel/interfaces/IConfig.h"
#include "base/kernel/Process.h"
#include "base/net/dns/DnsConfig.h"
#include "base/net/stratum/Pool.h"
#include "base/net/stratum/Pools.h"
#include "core/config/Config_platform.h"
@ -244,6 +245,7 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
case IConfig::HttpPort: /* --http-port */
case IConfig::DonateLevelKey: /* --donate-level */
case IConfig::DaemonPollKey: /* --daemon-poll-interval */
case IConfig::DnsTtlKey: /* --dns-ttl */
return transformUint64(doc, key, static_cast<uint64_t>(strtol(arg, nullptr, 10)));
case IConfig::BackgroundKey: /* --background */
@ -256,6 +258,7 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
case IConfig::DaemonKey: /* --daemon */
case IConfig::SubmitToOriginKey: /* --submit-to-origin */
case IConfig::VerboseKey: /* --verbose */
case IConfig::DnsIPv6Key: /* --dns-ipv6 */
return transformBoolean(doc, key, true);
case IConfig::ColorKey: /* --no-color */
@ -316,6 +319,9 @@ void xmrig::BaseTransform::transformBoolean(rapidjson::Document &doc, int key, b
case IConfig::NoTitleKey: /* --no-title */
return set(doc, BaseConfig::kTitle, enable);
case IConfig::DnsIPv6Key: /* --dns-ipv6 */
return set(doc, DnsConfig::kField, DnsConfig::kIPv6, enable);
default:
break;
}
@ -344,6 +350,9 @@ void xmrig::BaseTransform::transformUint64(rapidjson::Document &doc, int key, ui
case IConfig::PrintTimeKey: /* --print-time */
return set(doc, BaseConfig::kPrintTime, arg);
case IConfig::DnsTtlKey: /* --dns-ttl */
return set(doc, DnsConfig::kField, DnsConfig::kTTL, arg);
# ifdef XMRIG_FEATURE_HTTP
case IConfig::DaemonPollKey: /* --daemon-poll-interval */
return add(doc, Pools::kPools, Pool::kDaemonPollInterval, arg);

2
src/base/kernel/interfaces/IConfig.h
View file

@ -82,6 +82,8 @@ public:
HugePageSizeKey = 1050,
PauseOnActiveKey = 1051,
SubmitToOriginKey = 1052,
DnsIPv6Key = 1053,
DnsTtlKey = 1054,
// xmrig common
CPUPriorityKey = 1021,

54
src/base/kernel/interfaces/IDnsBackend.h Normal file
View file

@ -0,0 +1,54 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#ifndef XMRIG_IDNSBACKEND_H
#define XMRIG_IDNSBACKEND_H
#include "base/tools/Object.h"
#include <memory>
namespace xmrig {
class DnsRecords;
class DnsRequest;
class IDnsListener;
class String;
class IDnsBackend
{
public:
XMRIG_DISABLE_COPY_MOVE(IDnsBackend)
IDnsBackend() = default;
virtual ~IDnsBackend() = default;
virtual const DnsRecords &records() const = 0;
virtual std::shared_ptr<DnsRequest> resolve(const String &host, IDnsListener *listener, uint64_t ttl) = 0;
};
} /* namespace xmrig */
#endif // XMRIG_IDNSBACKEND_H

8
src/base/kernel/interfaces/IDnsListener.h
View file

@ -1,6 +1,6 @@
/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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
@ -26,7 +26,7 @@
namespace xmrig {
class Dns;
class DnsRecords;
class IDnsListener
@ -37,7 +37,7 @@ public:
IDnsListener() = default;
virtual ~IDnsListener() = default;
virtual void onResolved(const Dns &dns, int status) = 0;
virtual void onResolved(const DnsRecords &records, int status, const char *error) = 0;
};

142
src/base/net/dns/Dns.cpp
View file

@ -1,6 +1,6 @@
/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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
@ -18,136 +18,24 @@
#include "base/net/dns/Dns.h"
#include "base/kernel/interfaces/IDnsListener.h"
#include "base/net/dns/DnsUvBackend.h"
namespace xmrig {
Storage<Dns> Dns::m_storage;
static const DnsRecord defaultRecord;
}
xmrig::Dns::Dns(IDnsListener *listener) :
m_listener(listener)
DnsConfig Dns::m_config;
std::map<String, std::shared_ptr<IDnsBackend> > Dns::m_backends;
} // namespace xmrig
std::shared_ptr<xmrig::DnsRequest> xmrig::Dns::resolve(const String &host, IDnsListener *listener, uint64_t ttl)
{
m_key = m_storage.add(this);
if (m_backends.find(host) == m_backends.end()) {
m_backends.insert({ host, std::make_shared<DnsUvBackend>() });
}
m_resolver = new uv_getaddrinfo_t;
m_resolver->data = m_storage.ptr(m_key);
m_hints.ai_family = AF_UNSPEC;
m_hints.ai_socktype = SOCK_STREAM;
m_hints.ai_protocol = IPPROTO_TCP;
}
xmrig::Dns::~Dns()
{
m_storage.release(m_key);
delete m_resolver;
}
bool xmrig::Dns::resolve(const String &host)
{
if (m_host != host) {
m_host = host;
clear();
}
m_status = uv_getaddrinfo(uv_default_loop(), m_resolver, Dns::onResolved, m_host.data(), nullptr, &m_hints);
return m_status == 0;
}
const char *xmrig::Dns::error() const
{
return uv_strerror(m_status);
}
const xmrig::DnsRecord &xmrig::Dns::get(DnsRecord::Type prefered) const
{
if (count() == 0) {
return defaultRecord;
}
const size_t ipv4 = m_ipv4.size();
const size_t ipv6 = m_ipv6.size();
if (ipv6 && (prefered == DnsRecord::AAAA || !ipv4)) {
return m_ipv6[ipv6 == 1 ? 0 : static_cast<size_t>(rand()) % ipv6];
}
if (ipv4) {
return m_ipv4[ipv4 == 1 ? 0 : static_cast<size_t>(rand()) % ipv4];
}
return defaultRecord;
}
size_t xmrig::Dns::count(DnsRecord::Type type) const
{
if (type == DnsRecord::A) {
return m_ipv4.size();
}
if (type == DnsRecord::AAAA) {
return m_ipv6.size();
}
return m_ipv4.size() + m_ipv6.size();
}
void xmrig::Dns::clear()
{
m_ipv4.clear();
m_ipv6.clear();
}
void xmrig::Dns::onResolved(int status, addrinfo *res)
{
m_status = status;
if (m_status < 0) {
return m_listener->onResolved(*this, status);
}
clear();
addrinfo *ptr = res;
while (ptr != nullptr) {
if (ptr->ai_family == AF_INET) {
m_ipv4.emplace_back(ptr);
}
if (ptr->ai_family == AF_INET6) {
m_ipv6.emplace_back(ptr);
}
ptr = ptr->ai_next;
}
if (isEmpty()) {
m_status = UV_EAI_NONAME;
}
m_listener->onResolved(*this, m_status);
}
void xmrig::Dns::onResolved(uv_getaddrinfo_t *req, int status, addrinfo *res)
{
Dns *dns = m_storage.get(req->data);
if (dns) {
dns->onResolved(status, res);
}
uv_freeaddrinfo(res);
return m_backends.at(host)->resolve(host, listener, ttl == 0 ? m_config.ttl() : ttl);
}

51
src/base/net/dns/Dns.h
View file

@ -1,6 +1,6 @@
/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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
@ -20,55 +20,34 @@
#define XMRIG_DNS_H
#include <vector>
#include <uv.h>
#include "base/net/dns/DnsRecord.h"
#include "base/net/tools/Storage.h"
#include "base/tools/Object.h"
#include "base/net/dns/DnsConfig.h"
#include "base/tools/String.h"
#include <map>
#include <memory>
namespace xmrig {
class DnsConfig;
class DnsRequest;
class IDnsBackend;
class IDnsListener;
class Dns
{
public:
XMRIG_DISABLE_COPY_MOVE_DEFAULT(Dns)
inline static const DnsConfig &config() { return m_config; }
inline static void set(const DnsConfig &config) { m_config = config; }
Dns(IDnsListener *listener);
~Dns();
inline bool isEmpty() const { return m_ipv4.empty() && m_ipv6.empty(); }
inline const String &host() const { return m_host; }
inline int status() const { return m_status; }
bool resolve(const String &host);
const char *error() const;
const DnsRecord &get(DnsRecord::Type prefered = DnsRecord::A) const;
size_t count(DnsRecord::Type type = DnsRecord::Unknown) const;
static std::shared_ptr<DnsRequest> resolve(const String &host, IDnsListener *listener, uint64_t ttl = 0);
private:
void clear();
void onResolved(int status, addrinfo *res);
static void onResolved(uv_getaddrinfo_t *req, int status, addrinfo *res);
addrinfo m_hints{};
IDnsListener *m_listener;
int m_status = 0;
std::vector<DnsRecord> m_ipv4;
std::vector<DnsRecord> m_ipv6;
String m_host;
uintptr_t m_key;
uv_getaddrinfo_t *m_resolver = nullptr;
static Storage<Dns> m_storage;
static DnsConfig m_config;
static std::map<String, std::shared_ptr<IDnsBackend> > m_backends;
};

57
src/base/net/dns/DnsConfig.cpp Normal file
View file

@ -0,0 +1,57 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#include "base/net/dns/DnsConfig.h"
#include "3rdparty/rapidjson/document.h"
#include "base/io/json/Json.h"
#include <algorithm>
namespace xmrig {
const char *DnsConfig::kField = "dns";
const char *DnsConfig::kIPv6 = "ipv6";
const char *DnsConfig::kTTL = "ttl";
} // namespace xmrig
xmrig::DnsConfig::DnsConfig(const rapidjson::Value &value)
{
m_ipv6 = Json::getBool(value, kIPv6, m_ipv6);
m_ttl = std::max(Json::getUint(value, kTTL, m_ttl), 1U);
}
rapidjson::Value xmrig::DnsConfig::toJSON(rapidjson::Document &doc) const
{
using namespace rapidjson;
auto &allocator = doc.GetAllocator();
Value obj(kObjectType);
obj.AddMember(StringRef(kIPv6), m_ipv6, allocator);
obj.AddMember(StringRef(kTTL), m_ttl, allocator);
return obj;
}

54
src/base/net/dns/DnsConfig.h Normal file
View file

@ -0,0 +1,54 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#ifndef XMRIG_DNSCONFIG_H
#define XMRIG_DNSCONFIG_H
#include "3rdparty/rapidjson/fwd.h"
namespace xmrig {
class DnsConfig
{
public:
static const char *kField;
static const char *kIPv6;
static const char *kTTL;
DnsConfig() = default;
DnsConfig(const rapidjson::Value &object);
inline bool isIPv6() const { return m_ipv6; }
inline uint32_t ttl() const { return m_ttl * 1000U; }
rapidjson::Value toJSON(rapidjson::Document &doc) const;
private:
bool m_ipv6 = false;
uint32_t m_ttl = 30U;
};
} /* namespace xmrig */
#endif /* XMRIG_DNSCONFIG_H */

48
src/base/net/dns/DnsRecord.cpp
View file

@ -1,6 +1,6 @@
/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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
@ -24,38 +24,34 @@
xmrig::DnsRecord::DnsRecord(const addrinfo *addr) :
m_type(addr->ai_family == AF_INET6 ? AAAA : A)
m_type(addr->ai_family == AF_INET6 ? AAAA : (addr->ai_family == AF_INET ? A : Unknown))
{
static_assert(sizeof(m_data) >= sizeof(sockaddr_in6), "Not enough storage for IPv6 address.");
memcpy(m_data, addr->ai_addr, m_type == AAAA ? sizeof(sockaddr_in6) : sizeof(sockaddr_in));
}
const sockaddr *xmrig::DnsRecord::addr(uint16_t port) const
{
reinterpret_cast<sockaddr_in*>(m_data)->sin_port = htons(port);
return reinterpret_cast<const sockaddr *>(m_data);
}
xmrig::String xmrig::DnsRecord::ip() const
{
char *buf = nullptr;
if (m_type == AAAA) {
buf = new char[45]();
uv_ip6_name(reinterpret_cast<sockaddr_in6*>(addr->ai_addr), buf, 45);
uv_ip6_name(reinterpret_cast<sockaddr_in6*>(m_data), buf, 45);
}
else {
buf = new char[16]();
uv_ip4_name(reinterpret_cast<sockaddr_in*>(addr->ai_addr), buf, 16);
uv_ip4_name(reinterpret_cast<sockaddr_in*>(m_data), buf, 16);
}
m_ip = buf;
}
sockaddr *xmrig::DnsRecord::addr(uint16_t port) const
{
if (m_type == A) {
auto addr = new sockaddr_in();
uv_ip4_addr(m_ip.data(), port, addr);
return reinterpret_cast<sockaddr *>(addr);
}
if (m_type == AAAA) {
auto addr = new sockaddr_in6();
uv_ip6_addr(m_ip.data(), port, addr);
return reinterpret_cast<sockaddr *>(addr);
}
return nullptr;
return buf;
}

14
src/base/net/dns/DnsRecord.h
View file

@ -1,6 +1,6 @@
/* XMRig
* Copyright (c) 2018-2020 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2020 XMRig <https://github.com/xmrig>, <support@xmrig.com>
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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
@ -33,7 +33,7 @@ namespace xmrig {
class DnsRecord
{
public:
enum Type {
enum Type : uint32_t {
Unknown,
A,
AAAA
@ -42,15 +42,15 @@ public:
DnsRecord() {}
DnsRecord(const addrinfo *addr);
sockaddr *addr(uint16_t port = 0) const;
const sockaddr *addr(uint16_t port = 0) const;
String ip() const;
inline bool isValid() const { return m_type != Unknown; }
inline const String &ip() const { return m_ip; }
inline Type type() const { return m_type; }
private:
Type m_type = Unknown;
String m_ip;
mutable uint8_t m_data[28]{};
const Type m_type = Unknown;
};

108
src/base/net/dns/DnsRecords.cpp Normal file
View file

@ -0,0 +1,108 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#include <uv.h>
#include "base/net/dns/DnsRecords.h"
#include "base/net/dns/Dns.h"
const xmrig::DnsRecord &xmrig::DnsRecords::get(DnsRecord::Type prefered) const
{
static const DnsRecord defaultRecord;
if (isEmpty()) {
return defaultRecord;
}
const size_t ipv4 = m_ipv4.size();
const size_t ipv6 = m_ipv6.size();
if (ipv6 && (prefered == DnsRecord::AAAA || Dns::config().isIPv6() || !ipv4)) {
return m_ipv6[ipv6 == 1 ? 0 : static_cast<size_t>(rand()) % ipv6];
}
if (ipv4) {
return m_ipv4[ipv4 == 1 ? 0 : static_cast<size_t>(rand()) % ipv4];
}
return defaultRecord;
}
size_t xmrig::DnsRecords::count(DnsRecord::Type type) const
{
if (type == DnsRecord::A) {
return m_ipv4.size();
}
if (type == DnsRecord::AAAA) {
return m_ipv6.size();
}
return m_ipv4.size() + m_ipv6.size();
}
void xmrig::DnsRecords::clear()
{
m_ipv4.clear();
m_ipv6.clear();
}
void xmrig::DnsRecords::parse(addrinfo *res)
{
clear();
addrinfo *ptr = res;
size_t ipv4 = 0;
size_t ipv6 = 0;
while (ptr != nullptr) {
if (ptr->ai_family == AF_INET) {
++ipv4;
}
else if (ptr->ai_family == AF_INET6) {
++ipv6;
}
ptr = ptr->ai_next;
}
if (ipv4 == 0 && ipv6 == 0) {
return;
}
m_ipv4.reserve(ipv4);
m_ipv6.reserve(ipv6);
ptr = res;
while (ptr != nullptr) {
if (ptr->ai_family == AF_INET) {
m_ipv4.emplace_back(ptr);
}
else if (ptr->ai_family == AF_INET6) {
m_ipv6.emplace_back(ptr);
}
ptr = ptr->ai_next;
}
}

48
src/base/net/dns/DnsRecords.h Normal file
View file

@ -0,0 +1,48 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#ifndef XMRIG_DNSRECORDS_H
#define XMRIG_DNSRECORDS_H
#include "base/net/dns/DnsRecord.h"
namespace xmrig {
class DnsRecords
{
public:
inline bool isEmpty() const { return m_ipv4.empty() && m_ipv6.empty(); }
const DnsRecord &get(DnsRecord::Type prefered = DnsRecord::Unknown) const;
size_t count(DnsRecord::Type type = DnsRecord::Unknown) const;
void clear();
void parse(addrinfo *res);
private:
std::vector<DnsRecord> m_ipv4;
std::vector<DnsRecord> m_ipv6;
};
} /* namespace xmrig */
#endif /* XMRIG_DNSRECORDS_H */

50
src/base/net/dns/DnsRequest.h Normal file
View file

@ -0,0 +1,50 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#ifndef XMRIG_DNSREQUEST_H
#define XMRIG_DNSREQUEST_H
#include "base/tools/Object.h"
#include <cstdint>
namespace xmrig {
class IDnsListener;
class DnsRequest
{
public:
XMRIG_DISABLE_COPY_MOVE_DEFAULT(DnsRequest)
DnsRequest(IDnsListener *listener) : listener(listener) {}
~DnsRequest() = default;
IDnsListener *listener;
};
} /* namespace xmrig */
#endif /* XMRIG_DNSREQUEST_H */

130
src/base/net/dns/DnsUvBackend.cpp Normal file
View file

@ -0,0 +1,130 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#include <uv.h>
#include "base/net/dns/DnsUvBackend.h"
#include "base/kernel/interfaces/IDnsListener.h"
#include "base/net/dns/DnsRequest.h"
#include "base/tools/Chrono.h"
namespace xmrig {
Storage<DnsUvBackend> DnsUvBackend::m_storage;
static addrinfo hints{};
} // namespace xmrig
xmrig::DnsUvBackend::DnsUvBackend()
{
if (!hints.ai_protocol) {
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
}
m_key = m_storage.add(this);
}
xmrig::DnsUvBackend::~DnsUvBackend()
{
m_storage.release(m_key);
}
std::shared_ptr<xmrig::DnsRequest> xmrig::DnsUvBackend::resolve(const String &host, IDnsListener *listener, uint64_t ttl)
{
auto req = std::make_shared<DnsRequest>(listener);
if (Chrono::currentMSecsSinceEpoch() - m_ts <= ttl && !m_records.isEmpty()) {
req->listener->onResolved(m_records, 0, nullptr);
} else {
m_queue.emplace(req);
}
if (m_queue.size() == 1 && !resolve(host)) {
done();
}
return req;
}
bool xmrig::DnsUvBackend::resolve(const String &host)
{
m_req = std::make_shared<uv_getaddrinfo_t>();
m_req->data = m_storage.ptr(m_key);
m_status = uv_getaddrinfo(uv_default_loop(), m_req.get(), DnsUvBackend::onResolved, host.data(), nullptr, &hints);
return m_status == 0;
}
void xmrig::DnsUvBackend::done()
{
const char *error = m_status < 0 ? uv_strerror(m_status) : nullptr;
while (!m_queue.empty()) {
auto req = std::move(m_queue.front()).lock();
if (req) {
req->listener->onResolved(m_records, m_status, error);
}
m_queue.pop();
}
m_req.reset();
}
void xmrig::DnsUvBackend::onResolved(int status, addrinfo *res)
{
m_ts = Chrono::currentMSecsSinceEpoch();
if ((m_status = status) < 0) {
return done();
}
m_records.parse(res);
if (m_records.isEmpty()) {
m_status = UV_EAI_NONAME;
}
done();
}
void xmrig::DnsUvBackend::onResolved(uv_getaddrinfo_t *req, int status, addrinfo *res)
{
auto backend = m_storage.get(req->data);
if (backend) {
backend->onResolved(status, res);
}
uv_freeaddrinfo(res);
}

71
src/base/net/dns/DnsUvBackend.h Normal file
View file

@ -0,0 +1,71 @@
/* XMRig
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* 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/>.
*/
#ifndef XMRIG_DNSUVBACKEND_H
#define XMRIG_DNSUVBACKEND_H
#include "base/kernel/interfaces/IDnsBackend.h"
#include "base/net/dns/DnsRecords.h"
#include "base/net/tools/Storage.h"
#include <queue>
using uv_getaddrinfo_t = struct uv_getaddrinfo_s;
namespace xmrig {
class DnsUvBackend : public IDnsBackend
{
public:
XMRIG_DISABLE_COPY_MOVE(DnsUvBackend)
DnsUvBackend();
~DnsUvBackend() override;
protected:
inline const DnsRecords &records() const override { return m_records; }
std::shared_ptr<DnsRequest> resolve(const String &host, IDnsListener *listener, uint64_t ttl) override;
private:
bool resolve(const String &host);
void done();
void onResolved(int status, addrinfo *res);
static void onResolved(uv_getaddrinfo_t *req, int status, addrinfo *res);
DnsRecords m_records;
int m_status = 0;
std::queue<std::weak_ptr<DnsRequest> > m_queue;
std::shared_ptr<uv_getaddrinfo_t> m_req;
uint64_t m_ts = 0;
uintptr_t m_key;
static Storage<DnsUvBackend> m_storage;
};
} /* namespace xmrig */
#endif /* XMRIG_DNSUVBACKEND_H */

20
src/base/net/http/HttpClient.cpp
View file

@ -23,11 +23,13 @@
#include "base/io/log/Log.h"
#include "base/kernel/Platform.h"
#include "base/net/dns/Dns.h"
#include "base/net/dns/DnsRecords.h"
#include "base/net/tools/NetBuffer.h"
#include "base/tools/Timer.h"
#include <sstream>
#include <uv.h>
namespace xmrig {
@ -48,7 +50,6 @@ xmrig::HttpClient::HttpClient(const char *tag, FetchRequest &&req, const std::we
url = std::move(m_req.path);
body = std::move(m_req.body);
headers = std::move(m_req.headers);
m_dns = std::make_shared<Dns>(this);
if (m_req.timeout) {
m_timer = std::make_shared<Timer>(this, m_req.timeout, 0);
@ -58,30 +59,29 @@ xmrig::HttpClient::HttpClient(const char *tag, FetchRequest &&req, const std::we
bool xmrig::HttpClient::connect()
{
return m_dns->resolve(m_req.host);
m_dns = Dns::resolve(m_req.host, this);
return true;
}
void xmrig::HttpClient::onResolved(const Dns &dns, int status)
void xmrig::HttpClient::onResolved(const DnsRecords &records, int status, const char *error)
{
this->status = status;
m_dns.reset();
if (status < 0 && dns.isEmpty()) {
if (status < 0 && records.isEmpty()) {
if (!isQuiet()) {
LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), uv_strerror(status));
LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), error);
}
return;
}
sockaddr *addr = dns.get().addr(port());
auto req = new uv_connect_t;
req->data = this;
uv_tcp_connect(req, m_tcp, addr, onConnect);
delete addr;
uv_tcp_connect(req, m_tcp, records.get().addr(port()), onConnect);
}

6
src/base/net/http/HttpClient.h
View file

@ -32,7 +32,7 @@
namespace xmrig {
class String;
class DnsRequest;
class HttpClient : public HttpContext, public IDnsListener, public ITimerListener
@ -51,7 +51,7 @@ public:
bool connect();
protected:
void onResolved(const Dns &dns, int status) override;
void onResolved(const DnsRecords &records, int status, const char *error) override;
void onTimer(const Timer *timer) override;
virtual void handshake();
@ -65,7 +65,7 @@ private:
const char *m_tag;
FetchRequest m_req;
std::shared_ptr<Dns> m_dns;
std::shared_ptr<DnsRequest> m_dns;
std::shared_ptr<Timer> m_timer;
};

27
src/base/net/stratum/Client.cpp
View file

@ -48,10 +48,11 @@
#include "base/io/log/Log.h"
#include "base/kernel/interfaces/IClientListener.h"
#include "base/net/dns/Dns.h"
#include "base/net/dns/DnsRecords.h"
#include "base/net/stratum/Socks5.h"
#include "base/net/tools/NetBuffer.h"
#include "base/tools/Cvt.h"
#include "base/tools/Chrono.h"
#include "base/tools/Cvt.h"
#include "net/JobResult.h"
@ -86,13 +87,11 @@ xmrig::Client::Client(int id, const char *agent, IClientListener *listener) :
{
m_reader.setListener(this);
m_key = m_storage.add(this);
m_dns = new Dns(this);
}
xmrig::Client::~Client()
{
delete m_dns;
delete m_socket;
}
@ -295,22 +294,24 @@ void xmrig::Client::tick(uint64_t now)
}
void xmrig::Client::onResolved(const Dns &dns, int status)
void xmrig::Client::onResolved(const DnsRecords &records, int status, const char *error)
{
m_dns.reset();
assert(m_listener != nullptr);
if (!m_listener) {
return reconnect();
}
if (status < 0 && dns.isEmpty()) {
if (status < 0 && records.isEmpty()) {
if (!isQuiet()) {
LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), uv_strerror(status));
LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), error);
}
return reconnect();
}
const auto &record = dns.get();
const auto &record = records.get();
m_ip = record.ip();
connect(record.addr(m_socks5 ? m_pool.proxy().port() : m_pool.port()));
@ -524,13 +525,7 @@ int xmrig::Client::resolve(const String &host)
m_failures = 0;
}
if (!m_dns->resolve(host)) {
if (!isQuiet()) {
LOG_ERR("%s " RED("getaddrinfo error: ") RED_BOLD("\"%s\""), tag(), uv_strerror(m_dns->status()));
}
return 1;
}
m_dns = Dns::resolve(host, this);
return 0;
}
@ -566,7 +561,7 @@ int64_t xmrig::Client::send(size_t size)
}
void xmrig::Client::connect(sockaddr *addr)
void xmrig::Client::connect(const sockaddr *addr)
{
setState(ConnectingState);
@ -584,8 +579,6 @@ void xmrig::Client::connect(sockaddr *addr)
# endif
uv_tcp_connect(req, m_socket, addr, onConnect);
delete addr;
}

7
src/base/net/stratum/Client.h
View file

@ -50,6 +50,7 @@ using BIO = struct bio_st;
namespace xmrig {
class DnsRequest;
class IClientListener;
class JobResult;
@ -79,7 +80,7 @@ protected:
void deleteLater() override;
void tick(uint64_t now) override;
void onResolved(const Dns &dns, int status) override;
void onResolved(const DnsRecords &records, int status, const char *error) override;
inline bool hasExtension(Extension extension) const noexcept override { return m_extensions.test(extension); }
inline const char *mode() const override { return "pool"; }
@ -108,7 +109,7 @@ private:
bool write(const uv_buf_t &buf);
int resolve(const String &host);
int64_t send(size_t size);
void connect(sockaddr *addr);
void connect(const sockaddr *addr);
void handshake();
void parse(char *line, size_t len);
void parseExtensions(const rapidjson::Value &result);
@ -131,10 +132,10 @@ private:
static inline Client *getClient(void *data) { return m_storage.get(data); }
const char *m_agent;
Dns *m_dns;
LineReader m_reader;
Socks5 *m_socks5 = nullptr;
std::bitset<EXT_MAX> m_extensions;
std::shared_ptr<DnsRequest> m_dns;
std::vector<char> m_sendBuf;
String m_rpcId;
Tls *m_tls = nullptr;

15
src/base/net/stratum/benchmark/BenchClient.cpp
View file

@ -27,6 +27,7 @@
#include "base/io/log/Tags.h"
#include "base/kernel/interfaces/IClientListener.h"
#include "base/net/dns/Dns.h"
#include "base/net/dns/DnsRecords.h"
#include "base/net/http/Fetch.h"
#include "base/net/http/HttpData.h"
#include "base/net/http/HttpListener.h"
@ -185,16 +186,18 @@ void xmrig::BenchClient::onHttpData(const HttpData &data)
}
void xmrig::BenchClient::onResolved(const Dns &dns, int status)
void xmrig::BenchClient::onResolved(const DnsRecords &records, int status, const char *error)
{
# ifdef XMRIG_FEATURE_HTTP
assert(!m_httpListener);
m_dns.reset();
if (status < 0) {
return setError(dns.error(), "DNS error");
return setError(error, "DNS error");
}
m_ip = dns.get().ip();
m_ip = records.get().ip();
m_httpListener = std::make_shared<HttpListener>(this, tag());
if (m_mode == ONLINE_BENCH) {
@ -307,11 +310,7 @@ void xmrig::BenchClient::onGetReply(const rapidjson::Value &value)
void xmrig::BenchClient::resolve()
{
m_dns = std::make_shared<Dns>(this);
if (!m_dns->resolve(BenchConfig::kApiHost)) {
setError(m_dns->error(), "getaddrinfo error");
}
m_dns = Dns::resolve(BenchConfig::kApiHost, this);
}

4
src/base/net/stratum/benchmark/BenchClient.h
View file

@ -70,7 +70,7 @@ protected:
void onBenchDone(uint64_t result, uint64_t diff, uint64_t ts) override;
void onBenchReady(uint64_t ts, uint32_t threads, const IBackend *backend) override;
void onHttpData(const HttpData &data) override;
void onResolved(const Dns &dns, int status) override;
void onResolved(const DnsRecords &records, int status, const char *error) override;
private:
enum Mode : uint32_t {
@ -110,7 +110,7 @@ private:
Pool m_pool;
Request m_request = NO_REQUEST;
std::shared_ptr<BenchConfig> m_benchmark;
std::shared_ptr<Dns> m_dns;
std::shared_ptr<DnsRequest> m_dns;
std::shared_ptr<IHttpListener> m_httpListener;
String m_ip;
String m_token;

2
src/core/config/Config.cpp
View file

@ -28,6 +28,7 @@
#include "backend/cpu/Cpu.h"
#include "base/io/log/Log.h"
#include "base/kernel/interfaces/IJsonReader.h"
#include "base/net/dns/Dns.h"
#include "crypto/common/Assembly.h"
@ -295,6 +296,7 @@ void xmrig::Config::getJSON(rapidjson::Document &doc) const
doc.AddMember(StringRef(kTls), m_tls.toJSON(doc), allocator);
# endif
doc.AddMember(StringRef(DnsConfig::kField), Dns::config().toJSON(doc), allocator);
doc.AddMember(StringRef(kUserAgent), m_userAgent.toJSON(), allocator);
doc.AddMember(StringRef(kVerbose), Log::verbose(), allocator);
doc.AddMember(StringRef(kWatch), m_watch, allocator);

2
src/core/config/Config_platform.h
View file

@ -94,6 +94,8 @@ static const option options[] = {
{ "no-title", 0, nullptr, IConfig::NoTitleKey },
{ "pause-on-battery", 0, nullptr, IConfig::PauseOnBatteryKey },
{ "pause-on-active", 1, nullptr, IConfig::PauseOnActiveKey },
{ "dns-ipv6", 0, nullptr, IConfig::DnsIPv6Key },
{ "dns-ttl", 1, nullptr, IConfig::DnsTtlKey },
# ifdef XMRIG_FEATURE_BENCHMARK
{ "stress", 0, nullptr, IConfig::StressKey },
{ "bench", 1, nullptr, IConfig::BenchKey },

3
src/core/config/usage.h
View file

@ -59,6 +59,9 @@ static inline const std::string &usage()
u += " --tls-fingerprint=HEX pool TLS certificate fingerprint for strict certificate pinning\n";
# endif
u += " --dns-ipv6 prefer IPv6 records from DNS responses\n";
u += " --dns-ttl=N N seconds (default: 30) TTL for internal DNS cache\n";
# ifdef XMRIG_FEATURE_HTTP
u += " --daemon use daemon RPC instead of pool for solo mining\n";
u += " --daemon-poll-interval=N daemon poll interval in milliseconds (default: 1000)\n";