float to uint64 conversion

src/metrics/Collector.cpp

@@ -117,12 +117,12 @@ namespace metrics
         }
 
         Memory memory;
-        memory.mem_total = mem_total;
-        memory.mem_available = mem_available;
-        memory.mem_used = mem_total - mem_available;
-        memory.swap_total = swap_total;
-        memory.swap_available = swap_available;
-        memory.swap_used = swap_total - swap_available;
+        memory.memory.total = mem_total;
+        memory.memory.available = mem_available;
+        memory.memory.used = mem_total - mem_available;
+        memory.swap.total = swap_total;
+        memory.swap.available = swap_available;
+        memory.swap.used = swap_total - swap_available;
         return memory;
     }
 
@@ -137,15 +137,15 @@ namespace metrics
         }
 
         uint64_t total = static_cast<uint64_t>(vfs.f_blocks) * vfs.f_frsize;
-        uint64_t free = static_cast<uint64_t>(vfs.f_bavail) * vfs.f_frsize;
-        uint64_t used = total - free;
+        uint64_t available = static_cast<uint64_t>(vfs.f_bavail) * vfs.f_frsize;
+        uint64_t used = total - available;
 
         Disk d;
         d.name = disk.at(0);
         d.path = disk.at(1);
-        d.total = total;
-        d.free = free;
-        d.used = used;
+        d.metrics.total = total;
+        d.metrics.available = available;
+        d.metrics.used = used;
         return d;
     }