둘 다 동시 디버깅을 위해 push

impl/Utils/GenerateID.cpp

@@ -0,0 +1,32 @@
+#include "Utils/Snowflake.hpp"
+
+namespace Chattr {
+
+Snowflake GenerateID() {
+    static struct _EPOCH {
+        _EPOCH() {
+            EPOCH = std::chrono::system_clock::now();
+        }
+        std::chrono::system_clock::time_point EPOCH;
+    } __EPOCH__;
+    
+    static std::mutex snowflakeGenerateMutex_;
+
+    std::lock_guard<std::mutex> lock(snowflakeGenerateMutex_);
+#ifdef _WIN32
+    DWORD tid = GetCurrentThreadId();
+#elif __linux__
+    pthread_t tid = pthread_self();
+#endif
+    static int sequence = 0;
+    Snowflake id = {};
+
+    auto timestamp = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - __EPOCH__.EPOCH);
+    id.timestamp = timestamp.count();
+    id.instance = tid;
+    id.sequence = sequence++;
+
+    return id;
+}
+
+};