일단은 멀티로 접속이 됨..

include/utils/snowflake.h

@@ -18,14 +18,13 @@ struct Snowflake {
   }
 
   std::vector<char> Serialize() {
-    std::vector<char> serialized;
-    serialized.insert(serialized.end(), &snowflake,
-                      &snowflake + sizeof(snowflake));
+    std::vector<char> serialized(8);
+    ::memcpy(serialized.data(), &snowflake, 8);
     return serialized;
   }
 };
 
-Snowflake GenerateID(std::uint16_t instance);
+Snowflake GenerateID(std::uint8_t instance);
 
 }  // namespace Chattr
 

include/utils/utils.h

@@ -0,0 +1,9 @@
+#pragma once
+#include <list>
+#include <vector>
+
+namespace utils {
+
+std::vector<char> CvtListToVector(std::list<char> data);
+
+}  // namespace std