From e3f496f4fe5ca7d783daddb53b9763361b273cee Mon Sep 17 00:00:00 2001
From: WAKAYAMA shirou <shirou.faw@gmail.com>
Date: Tue, 22 Apr 2014 11:58:03 +0900
Subject: [PATCH] syscall.SysInfo not exists in FreeBSD. use sysctl instead.

---
 common_freebsd.go | 20 ++++++++++++++++++++
 mem_freebsd.go    | 15 +++++++++++++++
 mem_linux.go      | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 mem_unix.go       | 51 ---------------------------------------------------
 4 files changed, 86 insertions(+), 51 deletions(-)
 create mode 100644 common_freebsd.go
 create mode 100644 mem_freebsd.go
 create mode 100644 mem_linux.go
 delete mode 100644 mem_unix.go

diff --git a/common_freebsd.go b/common_freebsd.go
new file mode 100644
index 0000000..bf01f93
--- /dev/null
+++ b/common_freebsd.go
@@ -0,0 +1,20 @@
+// +build freebsd
+
+package gopsutil
+
+import (
+	"os/exec"
+	"strings"
+)
+
+func do_sysctrl(mib string) ([]string, error){
+	out, err := exec.Command("/sbin/sysctl", "-n", mib).Output()
+	if err != nil {
+		return []string{}, err
+	}
+	v := strings.Replace(string(out), "{ ", "", 1)
+	v = strings.Replace(string(v), " }", "", 1)
+	values := strings.Fields(string(v))
+
+	return values, nil
+}
diff --git a/mem_freebsd.go b/mem_freebsd.go
new file mode 100644
index 0000000..0c39216
--- /dev/null
+++ b/mem_freebsd.go
@@ -0,0 +1,15 @@
+// +build freebsd
+
+package gopsutil
+
+func Virtual_memory() (Virtual_memoryStat, error) {
+	ret := Virtual_memoryStat{}
+
+	return ret, nil
+}
+
+func Swap_memory() (Swap_memoryStat, error) {
+	ret := Swap_memoryStat{}
+
+	return ret, nil
+}
diff --git a/mem_linux.go b/mem_linux.go
new file mode 100644
index 0000000..a85605b
--- /dev/null
+++ b/mem_linux.go
@@ -0,0 +1,51 @@
+// +build freebsd linux
+
+package gopsutil
+
+import (
+	"syscall"
+)
+
+func Virtual_memory() (Virtual_memoryStat, error) {
+	ret := Virtual_memoryStat{}
+	sysinfo := &syscall.Sysinfo_t{}
+
+	if err := syscall.Sysinfo(sysinfo); err != nil {
+		return ret, err
+	}
+	ret.Total = uint64(sysinfo.Totalram)
+	ret.Free = uint64(sysinfo.Freeram)
+	ret.Shared = uint64(sysinfo.Sharedram)
+	ret.Buffers = uint64(sysinfo.Bufferram)
+
+	ret.Used = ret.Total - ret.Free
+
+	// TODO: platform independent
+	ret.Available = ret.Free + ret.Buffers + ret.Cached
+
+	ret.Used = ret.Total - ret.Free
+	ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
+
+	/*
+		kern := buffers + cached
+		ret.ActualFree = ret.Free + kern
+		ret.ActualUsed = ret.Used - kern
+	*/
+
+	return ret, nil
+}
+
+func Swap_memory() (Swap_memoryStat, error) {
+	ret := Swap_memoryStat{}
+	sysinfo := &syscall.Sysinfo_t{}
+
+	if err := syscall.Sysinfo(sysinfo); err != nil {
+		return ret, err
+	}
+	ret.Total = sysinfo.Totalswap
+	ret.Free = sysinfo.Freeswap
+	ret.Used = ret.Total - ret.Free
+	ret.UsedPercent = float64(ret.Total-ret.Free) / float64(ret.Total) * 100.0
+
+	return ret, nil
+}
diff --git a/mem_unix.go b/mem_unix.go
deleted file mode 100644
index a85605b..0000000
--- a/mem_unix.go
+++ /dev/null
@@ -1,51 +0,0 @@
-// +build freebsd linux
-
-package gopsutil
-
-import (
-	"syscall"
-)
-
-func Virtual_memory() (Virtual_memoryStat, error) {
-	ret := Virtual_memoryStat{}
-	sysinfo := &syscall.Sysinfo_t{}
-
-	if err := syscall.Sysinfo(sysinfo); err != nil {
-		return ret, err
-	}
-	ret.Total = uint64(sysinfo.Totalram)
-	ret.Free = uint64(sysinfo.Freeram)
-	ret.Shared = uint64(sysinfo.Sharedram)
-	ret.Buffers = uint64(sysinfo.Bufferram)
-
-	ret.Used = ret.Total - ret.Free
-
-	// TODO: platform independent
-	ret.Available = ret.Free + ret.Buffers + ret.Cached
-
-	ret.Used = ret.Total - ret.Free
-	ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
-
-	/*
-		kern := buffers + cached
-		ret.ActualFree = ret.Free + kern
-		ret.ActualUsed = ret.Used - kern
-	*/
-
-	return ret, nil
-}
-
-func Swap_memory() (Swap_memoryStat, error) {
-	ret := Swap_memoryStat{}
-	sysinfo := &syscall.Sysinfo_t{}
-
-	if err := syscall.Sysinfo(sysinfo); err != nil {
-		return ret, err
-	}
-	ret.Total = sysinfo.Totalswap
-	ret.Free = sysinfo.Freeswap
-	ret.Used = ret.Total - ret.Free
-	ret.UsedPercent = float64(ret.Total-ret.Free) / float64(ret.Total) * 100.0
-
-	return ret, nil
-}