fix: fix no swap info on darwin and windows

probably caused by 6cb452b

See: cokemine/nodestatus-client-go#18 (comment)

Author: cokemine

pkg/status/mem.go

@@ -0,0 +1,12 @@
+//go:build !linux
+// +build !linux
+
+package status
+
+import "github.com/shirou/gopsutil/v3/mem"
+
+func Memory() (uint64, uint64, uint64, uint64) {
+	memory, _ := mem.VirtualMemory()
+	swap, _ := mem.SwapMemory()
+	return memory.Total / 1024.0, memory.Used / 1024.0, swap.Total / 1024.0, swap.Used / 1024.0
+}

pkg/status/mem_linux.go

@@ -0,0 +1,11 @@
+//go:build linux
+// +build linux
+
+package status
+
+import "github.com/shirou/gopsutil/v3/mem"
+
+func Memory() (uint64, uint64, uint64, uint64) {
+	memory, _ := mem.VirtualMemory()
+	return memory.Total / 1024.0, memory.Used / 1024.0, memory.SwapTotal / 1024.0, (memory.SwapTotal - memory.SwapFree) / 1024.0
+}

pkg/status/status.go

@@ -5,7 +5,6 @@ import (
 	"github.com/shirou/gopsutil/v3/disk"
 	"github.com/shirou/gopsutil/v3/host"
 	"github.com/shirou/gopsutil/v3/load"
-	"github.com/shirou/gopsutil/v3/mem"
 	psutilNet "github.com/shirou/gopsutil/v3/net"
 	"math"
 	"net"
@@ -36,11 +35,6 @@ func Uptime() uint64 {
 	return uint64(time.Now().Unix()) - bootTime
 }
 
-func Memory() (uint64, uint64, uint64, uint64) {
-	memory, _ := mem.VirtualMemory()
-	return memory.Total / 1024.0, memory.Used / 1024.0, memory.SwapTotal / 1024.0, (memory.SwapTotal - memory.SwapFree) / 1024.0
-}
-
 func Load() float64 {
 	theLoad, _ := load.Avg()
 	return theLoad.Load1