Added benchmark and stress test

Easy to use and zero configuration embedded benchmark/stress test.

src/base/net/stratum/NullClient.h

@@ -0,0 +1,77 @@
+/* XMRig
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 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_NULLCLIENT_H
+#define XMRIG_NULLCLIENT_H
+
+
+#include "base/net/stratum/Client.h"
+
+
+namespace xmrig {
+
+
+class NullClient : public IClient
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE_DEFAULT(NullClient)
+
+    NullClient(IClientListener* listener);
+    ~NullClient() override = default;
+
+    virtual bool disconnect() override { return true; }
+    virtual bool hasExtension(Extension extension) const noexcept override { return false; }
+    virtual bool isEnabled() const override { return true; }
+    virtual bool isTLS() const override { return false; }
+    virtual const char* mode() const override { return "benchmark"; }
+    virtual const char* tag() const override { return "null"; }
+    virtual const char* tlsFingerprint() const override { return nullptr; }
+    virtual const char* tlsVersion() const override { return nullptr; }
+    virtual const Job& job() const override { return m_job; }
+    virtual const Pool& pool() const override { return m_pool; }
+    virtual const String& ip() const override { return m_ip; }
+    virtual int id() const override { return 0; }
+    virtual int64_t send(const rapidjson::Value& obj, Callback callback) override { return 0; }
+    virtual int64_t send(const rapidjson::Value& obj) override { return 0; }
+    virtual int64_t sequence() const override { return 0; }
+    virtual int64_t submit(const JobResult& result) override { return 0; }
+    virtual void connect() override;
+    virtual void connect(const Pool& pool) override { setPool(pool); }
+    virtual void deleteLater() override {}
+    virtual void setAlgo(const Algorithm& algo) override {}
+    virtual void setEnabled(bool enabled) override {}
+    virtual void setPool(const Pool& pool) override;
+    virtual void setProxy(const ProxyUrl& proxy) override {}
+    virtual void setQuiet(bool quiet) override {}
+    virtual void setRetries(int retries) override {}
+    virtual void setRetryPause(uint64_t ms) override {}
+    virtual void tick(uint64_t now) override {}
+
+private:
+    IClientListener* m_listener;
+
+    Job m_job;
+    Pool m_pool;
+    String m_ip;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_NULLCLIENT_H */