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This commit is contained in:
Darren Shepherd
2016-05-31 18:12:52 -07:00
parent 410dfbe0fd
commit a14846152b
1253 changed files with 222820 additions and 15054 deletions
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1
vendor/github.com/cloudfoundry/gosigar/.gitignore generated vendored Normal file
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.vagrant

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vendor/github.com/cloudfoundry/gosigar/.travis.yml generated vendored Normal file
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language: go
go:
- 1.2
install:
- 'go install github.com/onsi/ginkgo/ginkgo'
script: 'ginkgo -r'

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vendor/github.com/cloudfoundry/gosigar/LICENSE generated vendored Normal file
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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9
vendor/github.com/cloudfoundry/gosigar/NOTICE generated vendored Normal file
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Copyright (c) [2009-2011] VMware, Inc. All Rights Reserved.
This product is licensed to you under the Apache License, Version 2.0 (the "License").
You may not use this product except in compliance with the License.
This product includes a number of subcomponents with
separate copyright notices and license terms. Your use of these
subcomponents is subject to the terms and conditions of the
subcomponent's license, as noted in the LICENSE file.

22
vendor/github.com/cloudfoundry/gosigar/README.md generated vendored Normal file
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# Go sigar
## Overview
Go sigar is a golang implementation of the
[sigar API](https://github.com/hyperic/sigar). The Go version of
sigar has a very similar interface, but is being written from scratch
in pure go/cgo, rather than cgo bindings for libsigar.
## Test drive
$ go get github.com/cloudfoundry/gosigar
$ cd $GOPATH/src/github.com/cloudfoundry/gosigar/examples
$ go run uptime.go
## Supported platforms
Currently targeting modern flavors of darwin and linux.
## License
Apache 2.0

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vendor/github.com/cloudfoundry/gosigar/Vagrantfile generated vendored Normal file
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# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
config.vm.box = "hashicorp/precise64"
config.vm.provision "shell", inline: "mkdir -p /home/vagrant/go"
config.vm.synced_folder ".", "/home/vagrant/go/src/github.com/cloudfoundry/gosigar"
config.vm.provision "shell", inline: "chown -R vagrant:vagrant /home/vagrant/go"
install_go = <<-BASH
set -e
if [ ! -d "/usr/local/go" ]; then
cd /tmp && wget https://storage.googleapis.com/golang/go1.3.3.linux-amd64.tar.gz
cd /usr/local
tar xvzf /tmp/go1.3.3.linux-amd64.tar.gz
echo 'export GOPATH=/home/vagrant/go; export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin' >> /home/vagrant/.bashrc
fi
export GOPATH=/home/vagrant/go
export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin
/usr/local/go/bin/go get -u github.com/onsi/ginkgo/ginkgo
/usr/local/go/bin/go get -u github.com/onsi/gomega;
BASH
config.vm.provision "shell", inline: 'apt-get install -y git-core'
config.vm.provision "shell", inline: install_go
end

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vendor/github.com/cloudfoundry/gosigar/concrete_sigar.go generated vendored Normal file
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package sigar
import (
"time"
)
type ConcreteSigar struct{}
func (c *ConcreteSigar) CollectCpuStats(collectionInterval time.Duration) (<-chan Cpu, chan<- struct{}) {
// samplesCh is buffered to 1 value to immediately return first CPU sample
samplesCh := make(chan Cpu, 1)
stopCh := make(chan struct{})
go func() {
var cpuUsage Cpu
// Immediately provide non-delta value.
// samplesCh is buffered to 1 value, so it will not block.
cpuUsage.Get()
samplesCh <- cpuUsage
ticker := time.NewTicker(collectionInterval)
for {
select {
case <-ticker.C:
previousCpuUsage := cpuUsage
cpuUsage.Get()
select {
case samplesCh <- cpuUsage.Delta(previousCpuUsage):
default:
// Include default to avoid channel blocking
}
case <-stopCh:
return
}
}
}()
return samplesCh, stopCh
}
func (c *ConcreteSigar) GetLoadAverage() (LoadAverage, error) {
l := LoadAverage{}
err := l.Get()
return l, err
}
func (c *ConcreteSigar) GetMem() (Mem, error) {
m := Mem{}
err := m.Get()
return m, err
}
func (c *ConcreteSigar) GetSwap() (Swap, error) {
s := Swap{}
err := s.Get()
return s, err
}
func (c *ConcreteSigar) GetFileSystemUsage(path string) (FileSystemUsage, error) {
f := FileSystemUsage{}
err := f.Get(path)
return f, err
}

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vendor/github.com/cloudfoundry/gosigar/sigar_darwin.go generated vendored Normal file
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// Copyright (c) 2012 VMware, Inc.
package sigar
/*
#include <stdlib.h>
#include <sys/sysctl.h>
#include <sys/mount.h>
#include <mach/mach_init.h>
#include <mach/mach_host.h>
#include <mach/host_info.h>
#include <libproc.h>
#include <mach/processor_info.h>
#include <mach/vm_map.h>
*/
import "C"
import (
"bytes"
"encoding/binary"
"fmt"
"io"
"syscall"
"time"
"unsafe"
)
func (self *LoadAverage) Get() error {
avg := []C.double{0, 0, 0}
C.getloadavg(&avg[0], C.int(len(avg)))
self.One = float64(avg[0])
self.Five = float64(avg[1])
self.Fifteen = float64(avg[2])
return nil
}
func (self *Uptime) Get() error {
tv := syscall.Timeval32{}
if err := sysctlbyname("kern.boottime", &tv); err != nil {
return err
}
self.Length = time.Since(time.Unix(int64(tv.Sec), int64(tv.Usec)*1000)).Seconds()
return nil
}
func (self *Mem) Get() error {
var vmstat C.vm_statistics_data_t
if err := sysctlbyname("hw.memsize", &self.Total); err != nil {
return err
}
if err := vm_info(&vmstat); err != nil {
return err
}
kern := uint64(vmstat.inactive_count) << 12
self.Free = uint64(vmstat.free_count) << 12
self.Used = self.Total - self.Free
self.ActualFree = self.Free + kern
self.ActualUsed = self.Used - kern
return nil
}
type xsw_usage struct {
Total, Avail, Used uint64
}
func (self *Swap) Get() error {
sw_usage := xsw_usage{}
if err := sysctlbyname("vm.swapusage", &sw_usage); err != nil {
return err
}
self.Total = sw_usage.Total
self.Used = sw_usage.Used
self.Free = sw_usage.Avail
return nil
}
func (self *Cpu) Get() error {
var count C.mach_msg_type_number_t = C.HOST_CPU_LOAD_INFO_COUNT
var cpuload C.host_cpu_load_info_data_t
status := C.host_statistics(C.host_t(C.mach_host_self()),
C.HOST_CPU_LOAD_INFO,
C.host_info_t(unsafe.Pointer(&cpuload)),
&count)
if status != C.KERN_SUCCESS {
return fmt.Errorf("host_statistics error=%d", status)
}
self.User = uint64(cpuload.cpu_ticks[C.CPU_STATE_USER])
self.Sys = uint64(cpuload.cpu_ticks[C.CPU_STATE_SYSTEM])
self.Idle = uint64(cpuload.cpu_ticks[C.CPU_STATE_IDLE])
self.Nice = uint64(cpuload.cpu_ticks[C.CPU_STATE_NICE])
return nil
}
func (self *CpuList) Get() error {
var count C.mach_msg_type_number_t
var cpuload *C.processor_cpu_load_info_data_t
var ncpu C.natural_t
status := C.host_processor_info(C.host_t(C.mach_host_self()),
C.PROCESSOR_CPU_LOAD_INFO,
&ncpu,
(*C.processor_info_array_t)(unsafe.Pointer(&cpuload)),
&count)
if status != C.KERN_SUCCESS {
return fmt.Errorf("host_processor_info error=%d", status)
}
// jump through some cgo casting hoops and ensure we properly free
// the memory that cpuload points to
target := C.vm_map_t(C.mach_task_self_)
address := C.vm_address_t(uintptr(unsafe.Pointer(cpuload)))
defer C.vm_deallocate(target, address, C.vm_size_t(ncpu))
// the body of struct processor_cpu_load_info
// aka processor_cpu_load_info_data_t
var cpu_ticks [C.CPU_STATE_MAX]uint32
// copy the cpuload array to a []byte buffer
// where we can binary.Read the data
size := int(ncpu) * binary.Size(cpu_ticks)
buf := C.GoBytes(unsafe.Pointer(cpuload), C.int(size))
bbuf := bytes.NewBuffer(buf)
self.List = make([]Cpu, 0, ncpu)
for i := 0; i < int(ncpu); i++ {
cpu := Cpu{}
err := binary.Read(bbuf, binary.LittleEndian, &cpu_ticks)
if err != nil {
return err
}
cpu.User = uint64(cpu_ticks[C.CPU_STATE_USER])
cpu.Sys = uint64(cpu_ticks[C.CPU_STATE_SYSTEM])
cpu.Idle = uint64(cpu_ticks[C.CPU_STATE_IDLE])
cpu.Nice = uint64(cpu_ticks[C.CPU_STATE_NICE])
self.List = append(self.List, cpu)
}
return nil
}
func (self *FileSystemList) Get() error {
num, err := getfsstat(nil, C.MNT_NOWAIT)
if num < 0 {
return err
}
buf := make([]syscall.Statfs_t, num)
num, err = getfsstat(buf, C.MNT_NOWAIT)
if err != nil {
return err
}
fslist := make([]FileSystem, 0, num)
for i := 0; i < num; i++ {
fs := FileSystem{}
fs.DirName = bytePtrToString(&buf[i].Mntonname[0])
fs.DevName = bytePtrToString(&buf[i].Mntfromname[0])
fs.SysTypeName = bytePtrToString(&buf[i].Fstypename[0])
fslist = append(fslist, fs)
}
self.List = fslist
return err
}
func (self *ProcList) Get() error {
n := C.proc_listpids(C.PROC_ALL_PIDS, 0, nil, 0)
if n <= 0 {
return syscall.EINVAL
}
buf := make([]byte, n)
n = C.proc_listpids(C.PROC_ALL_PIDS, 0, unsafe.Pointer(&buf[0]), n)
if n <= 0 {
return syscall.ENOMEM
}
var pid int32
num := int(n) / binary.Size(pid)
list := make([]int, 0, num)
bbuf := bytes.NewBuffer(buf)
for i := 0; i < num; i++ {
if err := binary.Read(bbuf, binary.LittleEndian, &pid); err != nil {
return err
}
if pid == 0 {
continue
}
list = append(list, int(pid))
}
self.List = list
return nil
}
func (self *ProcState) Get(pid int) error {
info := C.struct_proc_taskallinfo{}
if err := task_info(pid, &info); err != nil {
return err
}
self.Name = C.GoString(&info.pbsd.pbi_comm[0])
switch info.pbsd.pbi_status {
case C.SIDL:
self.State = RunStateIdle
case C.SRUN:
self.State = RunStateRun
case C.SSLEEP:
self.State = RunStateSleep
case C.SSTOP:
self.State = RunStateStop
case C.SZOMB:
self.State = RunStateZombie
default:
self.State = RunStateUnknown
}
self.Ppid = int(info.pbsd.pbi_ppid)
self.Tty = int(info.pbsd.e_tdev)
self.Priority = int(info.ptinfo.pti_priority)
self.Nice = int(info.pbsd.pbi_nice)
return nil
}
func (self *ProcMem) Get(pid int) error {
info := C.struct_proc_taskallinfo{}
if err := task_info(pid, &info); err != nil {
return err
}
self.Size = uint64(info.ptinfo.pti_virtual_size)
self.Resident = uint64(info.ptinfo.pti_resident_size)
self.PageFaults = uint64(info.ptinfo.pti_faults)
return nil
}
func (self *ProcTime) Get(pid int) error {
info := C.struct_proc_taskallinfo{}
if err := task_info(pid, &info); err != nil {
return err
}
self.User =
uint64(info.ptinfo.pti_total_user) / uint64(time.Millisecond)
self.Sys =
uint64(info.ptinfo.pti_total_system) / uint64(time.Millisecond)
self.Total = self.User + self.Sys
self.StartTime = (uint64(info.pbsd.pbi_start_tvsec) * 1000) +
(uint64(info.pbsd.pbi_start_tvusec) / 1000)
return nil
}
func (self *ProcArgs) Get(pid int) error {
var args []string
argv := func(arg string) {
args = append(args, arg)
}
err := kern_procargs(pid, nil, argv, nil)
self.List = args
return err
}
func (self *ProcExe) Get(pid int) error {
exe := func(arg string) {
self.Name = arg
}
return kern_procargs(pid, exe, nil, nil)
}
// wrapper around sysctl KERN_PROCARGS2
// callbacks params are optional,
// up to the caller as to which pieces of data they want
func kern_procargs(pid int,
exe func(string),
argv func(string),
env func(string, string)) error {
mib := []C.int{C.CTL_KERN, C.KERN_PROCARGS2, C.int(pid)}
argmax := uintptr(C.ARG_MAX)
buf := make([]byte, argmax)
err := sysctl(mib, &buf[0], &argmax, nil, 0)
if err != nil {
return nil
}
bbuf := bytes.NewBuffer(buf)
bbuf.Truncate(int(argmax))
var argc int32
binary.Read(bbuf, binary.LittleEndian, &argc)
path, err := bbuf.ReadBytes(0)
if exe != nil {
exe(string(chop(path)))
}
// skip trailing \0's
for {
c, _ := bbuf.ReadByte()
if c != 0 {
bbuf.UnreadByte()
break // start of argv[0]
}
}
for i := 0; i < int(argc); i++ {
arg, err := bbuf.ReadBytes(0)
if err == io.EOF {
break
}
if argv != nil {
argv(string(chop(arg)))
}
}
if env == nil {
return nil
}
delim := []byte{61} // "="
for {
line, err := bbuf.ReadBytes(0)
if err == io.EOF || line[0] == 0 {
break
}
pair := bytes.SplitN(chop(line), delim, 2)
env(string(pair[0]), string(pair[1]))
}
return nil
}
// XXX copied from zsyscall_darwin_amd64.go
func sysctl(mib []C.int, old *byte, oldlen *uintptr,
new *byte, newlen uintptr) (err error) {
var p0 unsafe.Pointer
p0 = unsafe.Pointer(&mib[0])
_, _, e1 := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(p0),
uintptr(len(mib)),
uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)),
uintptr(unsafe.Pointer(new)), uintptr(newlen))
if e1 != 0 {
err = e1
}
return
}
func vm_info(vmstat *C.vm_statistics_data_t) error {
var count C.mach_msg_type_number_t = C.HOST_VM_INFO_COUNT
status := C.host_statistics(
C.host_t(C.mach_host_self()),
C.HOST_VM_INFO,
C.host_info_t(unsafe.Pointer(vmstat)),
&count)
if status != C.KERN_SUCCESS {
return fmt.Errorf("host_statistics=%d", status)
}
return nil
}
// generic Sysctl buffer unmarshalling
func sysctlbyname(name string, data interface{}) (err error) {
val, err := syscall.Sysctl(name)
if err != nil {
return err
}
buf := []byte(val)
switch v := data.(type) {
case *uint64:
*v = *(*uint64)(unsafe.Pointer(&buf[0]))
return
}
bbuf := bytes.NewBuffer([]byte(val))
return binary.Read(bbuf, binary.LittleEndian, data)
}
// syscall.Getfsstat() wrapper is broken, roll our own to workaround.
func getfsstat(buf []syscall.Statfs_t, flags int) (n int, err error) {
var ptr uintptr
var size uintptr
if len(buf) > 0 {
ptr = uintptr(unsafe.Pointer(&buf[0]))
size = unsafe.Sizeof(buf[0]) * uintptr(len(buf))
} else {
ptr = uintptr(0)
size = uintptr(0)
}
trap := uintptr(syscall.SYS_GETFSSTAT64)
ret, _, errno := syscall.Syscall(trap, ptr, size, uintptr(flags))
n = int(ret)
if errno != 0 {
err = errno
}
return
}
func task_info(pid int, info *C.struct_proc_taskallinfo) error {
size := C.int(unsafe.Sizeof(*info))
ptr := unsafe.Pointer(info)
n := C.proc_pidinfo(C.int(pid), C.PROC_PIDTASKALLINFO, 0, ptr, size)
if n != size {
return syscall.ENOMEM
}
return nil
}

126
vendor/github.com/cloudfoundry/gosigar/sigar_format.go generated vendored Normal file
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// Copyright (c) 2012 VMware, Inc.
package sigar
import (
"bufio"
"bytes"
"fmt"
"strconv"
"time"
)
// Go version of apr_strfsize
func FormatSize(size uint64) string {
ord := []string{"K", "M", "G", "T", "P", "E"}
o := 0
buf := new(bytes.Buffer)
w := bufio.NewWriter(buf)
if size < 973 {
fmt.Fprintf(w, "%3d ", size)
w.Flush()
return buf.String()
}
for {
remain := size & 1023
size >>= 10
if size >= 973 {
o++
continue
}
if size < 9 || (size == 9 && remain < 973) {
remain = ((remain * 5) + 256) / 512
if remain >= 10 {
size++
remain = 0
}
fmt.Fprintf(w, "%d.%d%s", size, remain, ord[o])
break
}
if remain >= 512 {
size++
}
fmt.Fprintf(w, "%3d%s", size, ord[o])
break
}
w.Flush()
return buf.String()
}
func FormatPercent(percent float64) string {
return strconv.FormatFloat(percent, 'f', -1, 64) + "%"
}
func (self *FileSystemUsage) UsePercent() float64 {
b_used := (self.Total - self.Free) / 1024
b_avail := self.Avail / 1024
utotal := b_used + b_avail
used := b_used
if utotal != 0 {
u100 := used * 100
pct := u100 / utotal
if u100%utotal != 0 {
pct += 1
}
return (float64(pct) / float64(100)) * 100.0
}
return 0.0
}
func (self *Uptime) Format() string {
buf := new(bytes.Buffer)
w := bufio.NewWriter(buf)
uptime := uint64(self.Length)
days := uptime / (60 * 60 * 24)
if days != 0 {
s := ""
if days > 1 {
s = "s"
}
fmt.Fprintf(w, "%d day%s, ", days, s)
}
minutes := uptime / 60
hours := minutes / 60
hours %= 24
minutes %= 60
fmt.Fprintf(w, "%2d:%02d", hours, minutes)
w.Flush()
return buf.String()
}
func (self *ProcTime) FormatStartTime() string {
if self.StartTime == 0 {
return "00:00"
}
start := time.Unix(int64(self.StartTime)/1000, 0)
format := "Jan02"
if time.Since(start).Seconds() < (60 * 60 * 24) {
format = "15:04"
}
return start.Format(format)
}
func (self *ProcTime) FormatTotal() string {
t := self.Total / 1000
ss := t % 60
t /= 60
mm := t % 60
t /= 60
hh := t % 24
return fmt.Sprintf("%02d:%02d:%02d", hh, mm, ss)
}

141
vendor/github.com/cloudfoundry/gosigar/sigar_interface.go generated vendored Normal file
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package sigar
import (
"time"
)
type Sigar interface {
CollectCpuStats(collectionInterval time.Duration) (<-chan Cpu, chan<- struct{})
GetLoadAverage() (LoadAverage, error)
GetMem() (Mem, error)
GetSwap() (Swap, error)
GetFileSystemUsage(string) (FileSystemUsage, error)
}
type Cpu struct {
User uint64
Nice uint64
Sys uint64
Idle uint64
Wait uint64
Irq uint64
SoftIrq uint64
Stolen uint64
}
func (cpu *Cpu) Total() uint64 {
return cpu.User + cpu.Nice + cpu.Sys + cpu.Idle +
cpu.Wait + cpu.Irq + cpu.SoftIrq + cpu.Stolen
}
func (cpu Cpu) Delta(other Cpu) Cpu {
return Cpu{
User: cpu.User - other.User,
Nice: cpu.Nice - other.Nice,
Sys: cpu.Sys - other.Sys,
Idle: cpu.Idle - other.Idle,
Wait: cpu.Wait - other.Wait,
Irq: cpu.Irq - other.Irq,
SoftIrq: cpu.SoftIrq - other.SoftIrq,
Stolen: cpu.Stolen - other.Stolen,
}
}
type LoadAverage struct {
One, Five, Fifteen float64
}
type Uptime struct {
Length float64
}
type Mem struct {
Total uint64
Used uint64
Free uint64
ActualFree uint64
ActualUsed uint64
}
type Swap struct {
Total uint64
Used uint64
Free uint64
}
type CpuList struct {
List []Cpu
}
type FileSystem struct {
DirName string
DevName string
TypeName string
SysTypeName string
Options string
Flags uint32
}
type FileSystemList struct {
List []FileSystem
}
type FileSystemUsage struct {
Total uint64
Used uint64
Free uint64
Avail uint64
Files uint64
FreeFiles uint64
}
type ProcList struct {
List []int
}
type RunState byte
const (
RunStateSleep = 'S'
RunStateRun = 'R'
RunStateStop = 'T'
RunStateZombie = 'Z'
RunStateIdle = 'D'
RunStateUnknown = '?'
)
type ProcState struct {
Name string
State RunState
Ppid int
Tty int
Priority int
Nice int
Processor int
}
type ProcMem struct {
Size uint64
Resident uint64
Share uint64
MinorFaults uint64
MajorFaults uint64
PageFaults uint64
}
type ProcTime struct {
StartTime uint64
User uint64
Sys uint64
Total uint64
}
type ProcArgs struct {
List []string
}
type ProcExe struct {
Name string
Cwd string
Root string
}

386
vendor/github.com/cloudfoundry/gosigar/sigar_linux.go generated vendored Normal file
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// Copyright (c) 2012 VMware, Inc.
package sigar
import (
"bufio"
"bytes"
"io"
"io/ioutil"
"os"
"strconv"
"strings"
"syscall"
)
var system struct {
ticks uint64
btime uint64
}
var Procd string
func init() {
system.ticks = 100 // C.sysconf(C._SC_CLK_TCK)
Procd = "/proc"
// grab system boot time
readFile(Procd+"/stat", func(line string) bool {
if strings.HasPrefix(line, "btime") {
system.btime, _ = strtoull(line[6:])
return false // stop reading
}
return true
})
}
func (self *LoadAverage) Get() error {
line, err := ioutil.ReadFile(Procd + "/loadavg")
if err != nil {
return nil
}
fields := strings.Fields(string(line))
self.One, _ = strconv.ParseFloat(fields[0], 64)
self.Five, _ = strconv.ParseFloat(fields[1], 64)
self.Fifteen, _ = strconv.ParseFloat(fields[2], 64)
return nil
}
func (self *Uptime) Get() error {
sysinfo := syscall.Sysinfo_t{}
if err := syscall.Sysinfo(&sysinfo); err != nil {
return err
}
self.Length = float64(sysinfo.Uptime)
return nil
}
func (self *Mem) Get() error {
var buffers, cached uint64
table := map[string]*uint64{
"MemTotal": &self.Total,
"MemFree": &self.Free,
"Buffers": &buffers,
"Cached": &cached,
}
if err := parseMeminfo(table); err != nil {
return err
}
self.Used = self.Total - self.Free
kern := buffers + cached
self.ActualFree = self.Free + kern
self.ActualUsed = self.Used - kern
return nil
}
func (self *Swap) Get() error {
table := map[string]*uint64{
"SwapTotal": &self.Total,
"SwapFree": &self.Free,
}
if err := parseMeminfo(table); err != nil {
return err
}
self.Used = self.Total - self.Free
return nil
}
func (self *Cpu) Get() error {
return readFile(Procd+"/stat", func(line string) bool {
if len(line) > 4 && line[0:4] == "cpu " {
parseCpuStat(self, line)
return false
}
return true
})
}
func (self *CpuList) Get() error {
capacity := len(self.List)
if capacity == 0 {
capacity = 4
}
list := make([]Cpu, 0, capacity)
err := readFile(Procd+"/stat", func(line string) bool {
if len(line) > 3 && line[0:3] == "cpu" && line[3] != ' ' {
cpu := Cpu{}
parseCpuStat(&cpu, line)
list = append(list, cpu)
}
return true
})
self.List = list
return err
}
func (self *FileSystemList) Get() error {
capacity := len(self.List)
if capacity == 0 {
capacity = 10
}
fslist := make([]FileSystem, 0, capacity)
err := readFile("/etc/mtab", func(line string) bool {
fields := strings.Fields(line)
fs := FileSystem{}
fs.DevName = fields[0]
fs.DirName = fields[1]
fs.SysTypeName = fields[2]
fs.Options = fields[3]
fslist = append(fslist, fs)
return true
})
self.List = fslist
return err
}
func (self *ProcList) Get() error {
dir, err := os.Open(Procd)
if err != nil {
return err
}
defer dir.Close()
const readAllDirnames = -1 // see os.File.Readdirnames doc
names, err := dir.Readdirnames(readAllDirnames)
if err != nil {
return err
}
capacity := len(names)
list := make([]int, 0, capacity)
for _, name := range names {
if name[0] < '0' || name[0] > '9' {
continue
}
pid, err := strconv.Atoi(name)
if err == nil {
list = append(list, pid)
}
}
self.List = list
return nil
}
func (self *ProcState) Get(pid int) error {
contents, err := readProcFile(pid, "stat")
if err != nil {
return err
}
fields := strings.Fields(string(contents))
self.Name = fields[1][1 : len(fields[1])-1] // strip ()'s
self.State = RunState(fields[2][0])
self.Ppid, _ = strconv.Atoi(fields[3])
self.Tty, _ = strconv.Atoi(fields[6])
self.Priority, _ = strconv.Atoi(fields[17])
self.Nice, _ = strconv.Atoi(fields[18])
self.Processor, _ = strconv.Atoi(fields[38])
return nil
}
func (self *ProcMem) Get(pid int) error {
contents, err := readProcFile(pid, "statm")
if err != nil {
return err
}
fields := strings.Fields(string(contents))
size, _ := strtoull(fields[0])
self.Size = size << 12
rss, _ := strtoull(fields[1])
self.Resident = rss << 12
share, _ := strtoull(fields[2])
self.Share = share << 12
contents, err = readProcFile(pid, "stat")
if err != nil {
return err
}
fields = strings.Fields(string(contents))
self.MinorFaults, _ = strtoull(fields[10])
self.MajorFaults, _ = strtoull(fields[12])
self.PageFaults = self.MinorFaults + self.MajorFaults
return nil
}
func (self *ProcTime) Get(pid int) error {
contents, err := readProcFile(pid, "stat")
if err != nil {
return err
}
fields := strings.Fields(string(contents))
user, _ := strtoull(fields[13])
sys, _ := strtoull(fields[14])
// convert to millis
self.User = user * (1000 / system.ticks)
self.Sys = sys * (1000 / system.ticks)
self.Total = self.User + self.Sys
// convert to millis
self.StartTime, _ = strtoull(fields[21])
self.StartTime /= system.ticks
self.StartTime += system.btime
self.StartTime *= 1000
return nil
}
func (self *ProcArgs) Get(pid int) error {
contents, err := readProcFile(pid, "cmdline")
if err != nil {
return err
}
bbuf := bytes.NewBuffer(contents)
var args []string
for {
arg, err := bbuf.ReadBytes(0)
if err == io.EOF {
break
}
args = append(args, string(chop(arg)))
}
self.List = args
return nil
}
func (self *ProcExe) Get(pid int) error {
fields := map[string]*string{
"exe": &self.Name,
"cwd": &self.Cwd,
"root": &self.Root,
}
for name, field := range fields {
val, err := os.Readlink(procFileName(pid, name))
if err != nil {
return err
}
*field = val
}
return nil
}
func parseMeminfo(table map[string]*uint64) error {
return readFile(Procd+"/meminfo", func(line string) bool {
fields := strings.Split(line, ":")
if ptr := table[fields[0]]; ptr != nil {
num := strings.TrimLeft(fields[1], " ")
val, err := strtoull(strings.Fields(num)[0])
if err == nil {
*ptr = val * 1024
}
}
return true
})
}
func parseCpuStat(self *Cpu, line string) error {
fields := strings.Fields(line)
self.User, _ = strtoull(fields[1])
self.Nice, _ = strtoull(fields[2])
self.Sys, _ = strtoull(fields[3])
self.Idle, _ = strtoull(fields[4])
self.Wait, _ = strtoull(fields[5])
self.Irq, _ = strtoull(fields[6])
self.SoftIrq, _ = strtoull(fields[7])
self.Stolen, _ = strtoull(fields[8])
return nil
}
func readFile(file string, handler func(string) bool) error {
contents, err := ioutil.ReadFile(file)
if err != nil {
return err
}
reader := bufio.NewReader(bytes.NewBuffer(contents))
for {
line, _, err := reader.ReadLine()
if err == io.EOF {
break
}
if !handler(string(line)) {
break
}
}
return nil
}
func strtoull(val string) (uint64, error) {
return strconv.ParseUint(val, 10, 64)
}
func procFileName(pid int, name string) string {
return Procd + "/" + strconv.Itoa(pid) + "/" + name
}
func readProcFile(pid int, name string) ([]byte, error) {
path := procFileName(pid, name)
contents, err := ioutil.ReadFile(path)
if err != nil {
if perr, ok := err.(*os.PathError); ok {
if perr.Err == syscall.ENOENT {
return nil, syscall.ESRCH
}
}
}
return contents, err
}

26
vendor/github.com/cloudfoundry/gosigar/sigar_unix.go generated vendored Normal file
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// Copyright (c) 2012 VMware, Inc.
// +build darwin freebsd linux netbsd openbsd
package sigar
import "syscall"
func (self *FileSystemUsage) Get(path string) error {
stat := syscall.Statfs_t{}
err := syscall.Statfs(path, &stat)
if err != nil {
return err
}
bsize := stat.Bsize / 512
self.Total = (uint64(stat.Blocks) * uint64(bsize)) >> 1
self.Free = (uint64(stat.Bfree) * uint64(bsize)) >> 1
self.Avail = (uint64(stat.Bavail) * uint64(bsize)) >> 1
self.Used = self.Total - self.Free
self.Files = stat.Files
self.FreeFiles = stat.Ffree
return nil
}

22
vendor/github.com/cloudfoundry/gosigar/sigar_util.go generated vendored Normal file
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@@ -0,0 +1,22 @@
// Copyright (c) 2012 VMware, Inc.
package sigar
import (
"unsafe"
)
func bytePtrToString(ptr *int8) string {
bytes := (*[10000]byte)(unsafe.Pointer(ptr))
n := 0
for bytes[n] != 0 {
n++
}
return string(bytes[0:n])
}
func chop(buf []byte) []byte {
return buf[0 : len(buf)-1]
}

100
vendor/github.com/cloudfoundry/gosigar/sigar_windows.go generated vendored Normal file
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@@ -0,0 +1,100 @@
// Copyright (c) 2012 VMware, Inc.
package sigar
// #include <stdlib.h>
// #include <windows.h>
import "C"
import (
"fmt"
"unsafe"
)
func init() {
}
func (self *LoadAverage) Get() error {
return nil
}
func (self *Uptime) Get() error {
return nil
}
func (self *Mem) Get() error {
var statex C.MEMORYSTATUSEX
statex.dwLength = C.DWORD(unsafe.Sizeof(statex))
succeeded := C.GlobalMemoryStatusEx(&statex)
if succeeded == C.FALSE {
lastError := C.GetLastError()
return fmt.Errorf("GlobalMemoryStatusEx failed with error: %d", int(lastError))
}
self.Total = uint64(statex.ullTotalPhys)
return nil
}
func (self *Swap) Get() error {
return notImplemented()
}
func (self *Cpu) Get() error {
return notImplemented()
}
func (self *CpuList) Get() error {
return notImplemented()
}
func (self *FileSystemList) Get() error {
return notImplemented()
}
func (self *ProcList) Get() error {
return notImplemented()
}
func (self *ProcState) Get(pid int) error {
return notImplemented()
}
func (self *ProcMem) Get(pid int) error {
return notImplemented()
}
func (self *ProcTime) Get(pid int) error {
return notImplemented()
}
func (self *ProcArgs) Get(pid int) error {
return notImplemented()
}
func (self *ProcExe) Get(pid int) error {
return notImplemented()
}
func (self *FileSystemUsage) Get(path string) error {
var availableBytes C.ULARGE_INTEGER
var totalBytes C.ULARGE_INTEGER
var totalFreeBytes C.ULARGE_INTEGER
pathChars := C.CString(path)
defer C.free(unsafe.Pointer(pathChars))
succeeded := C.GetDiskFreeSpaceEx((*C.CHAR)(pathChars), &availableBytes, &totalBytes, &totalFreeBytes)
if succeeded == C.FALSE {
lastError := C.GetLastError()
return fmt.Errorf("GetDiskFreeSpaceEx failed with error: %d", int(lastError))
}
self.Total = *(*uint64)(unsafe.Pointer(&totalBytes))
return nil
}
func notImplemented() error {
panic("Not Implemented")
return nil
}