Add class Telemetry.

src/workers/Worker.h

@@ -25,6 +25,7 @@
 #define __WORKER_H__
 
 
+#include <atomic>
 #include <stdint.h>
 
 
@@ -41,11 +42,18 @@ public:
     Worker(Handle *handle);
     ~Worker();
 
+    inline uint64_t hashCount() const override { return m_hashCount.load(std::memory_order_relaxed); }
+    inline uint64_t timestamp() const override { return m_timestamp.load(std::memory_order_relaxed); }
+
 protected:
+    void storeStats();
+
     bool m_nicehash;
     cryptonight_ctx *m_ctx;
     int m_id;
     int m_threads;
+    std::atomic<uint64_t> m_hashCount;
+    std::atomic<uint64_t> m_timestamp;
     uint64_t m_count;
     uint64_t m_sequence;
 };