6 Commits

Author SHA1 Message Date
b612 232bc3835e re-support go 1.16 2023-02-11 17:53:24 +08:00
b612 1333eb85bb adjust linux network speed monitor 2023-02-03 13:54:13 +08:00
b612 dae84c0a85 update go mod 2023-02-03 13:36:41 +08:00
b612 ed85eb7616 update go mod and fix filelock error on darwin 2022-03-18 17:22:38 +08:00
b612 d8c0d86ca0 go mod support 2022-03-14 11:40:14 +08:00
b612 bbd85885df add beep function 2022-01-04 14:18:38 +08:00
9 changed files with 367 additions and 12 deletions
+28
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@@ -0,0 +1,28 @@
// +build darwin
package staros
import (
"os"
"os/exec"
)
var (
// DefaultFreq - frequency, in Hz, middle A
DefaultFreq = 0.0
// DefaultDuration - duration in milliseconds
DefaultDuration = 0
)
// Beep beeps the PC speaker (https://en.wikipedia.org/wiki/PC_speaker).
func Beep(freq float64, duration int) error {
osa, err := exec.LookPath("osascript")
if err != nil {
// Output the only beep we can
_, err = os.Stdout.Write([]byte{7})
return err
}
cmd := exec.Command(osa, "-e", `beep`)
return cmd.Run()
}
+138
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@@ -0,0 +1,138 @@
// +build linux
package staros
import (
"errors"
"os"
"syscall"
"time"
"unsafe"
)
// Constants
const (
// This number represents the fixed frequency of the original PC XT's timer chip, which is approximately 1.193 MHz. This number
// is divided with the desired frequency to obtain a counter value, that is subsequently fed into the timer chip, tied to the PC speaker.
clockTickRate = 1193180
// linux/kd.h, start sound generation (0 for off)
kiocsound = 0x4B2F
// linux/input-event-codes.h
evSnd = 0x12 // Event type
sndTone = 0x02 // Sound
)
var (
// DefaultFreq - frequency, in Hz, middle A
DefaultFreq = 440.0
// DefaultDuration - duration in milliseconds
DefaultDuration = 200
)
// inputEvent represents linux/input.h event structure.
type inputEvent struct {
Time syscall.Timeval // time in seconds since epoch at which event occurred
Type uint16 // event type
Code uint16 // event code related to the event type
Value int32 // event value related to the event type
}
// ioctl system call manipulates the underlying device parameters of special files.
func ioctl(fd, name, data uintptr) error {
_, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, name, data)
if e != 0 {
return e
}
return nil
}
// Beep beeps the PC speaker (https://en.wikipedia.org/wiki/PC_speaker).
//
// On Linux it needs permission to access `/dev/tty0` or `/dev/input/by-path/platform-pcspkr-event-spkr` files for writing,
// and `pcspkr` module must be loaded. User must be in correct groups, usually `input` and/or `tty`.
//
// If it can not open device files, it will fallback to sending Bell character (https://en.wikipedia.org/wiki/Bell_character).
// For bell character in X11 terminals you can enable bell with `xset b on`. For console check `setterm` and `--blength` or `--bfreq` options.
//
// On macOS this just sends bell character. Enable `Audible bell` in Terminal --> Preferences --> Settings --> Advanced.
//
// On Windows it uses Beep function via syscall.
//
// On Web it plays hard coded beep sound.
func Beep(freq float64, duration int) error {
if freq == 0 {
freq = DefaultFreq
} else if freq > 20000 {
freq = 20000
} else if freq < 0 {
freq = DefaultFreq
}
if duration == 0 {
duration = DefaultDuration
}
period := int(float64(clockTickRate) / freq)
var evdev bool
f, err := os.OpenFile("/dev/tty0", os.O_WRONLY, 0644)
if err != nil {
e := err
f, err = os.OpenFile("/dev/input/by-path/platform-pcspkr-event-spkr", os.O_WRONLY, 0644)
if err != nil {
e = errors.New("beeep: " + e.Error() + "; " + err.Error())
// Output the only beep we can
_, err = os.Stdout.Write([]byte{7})
if err != nil {
return errors.New(e.Error() + "; " + err.Error())
}
return nil
}
evdev = true
}
defer f.Close()
if evdev { // Use Linux evdev API
ev := inputEvent{}
ev.Type = evSnd
ev.Code = sndTone
ev.Value = int32(freq)
d := *(*[unsafe.Sizeof(ev)]byte)(unsafe.Pointer(&ev))
// Start beep
f.Write(d[:])
time.Sleep(time.Duration(duration) * time.Millisecond)
ev.Value = 0
d = *(*[unsafe.Sizeof(ev)]byte)(unsafe.Pointer(&ev))
// Stop beep
f.Write(d[:])
} else { // Use ioctl
// Start beep
err = ioctl(f.Fd(), kiocsound, uintptr(period))
if err != nil {
return err
}
time.Sleep(time.Duration(duration) * time.Millisecond)
// Stop beep
err = ioctl(f.Fd(), kiocsound, uintptr(0))
if err != nil {
return err
}
}
return nil
}
+37
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@@ -0,0 +1,37 @@
package staros
import (
"fmt"
"testing"
"time"
)
const (
rat float64 = 1.059463094 //2^(1/12)
C float64 = 493.8833013 * rat
CU = C * rat * rat
D = CU * rat
DU = D * rat
E = DU * rat
F = E * rat
FU = F * rat
G = FU * rat
GU = G * rat
A = GU * rat
AU = A * rat
B = AU * rat
)
func beepMusic(qual ...float64) {
for _, v := range qual {
fmt.Println(v)
Beep(v, 700)
time.Sleep(time.Millisecond * 1000)
}
}
func Test_Music(t *testing.T) {
beepMusic(G, D, A, AU, A, G, F, D, DU, D, C, D, AU/2, C, G/2, C, D)
time.Sleep(time.Second * 3)
beepMusic(D,AU,A,G,A,D*2,F*2,G*2,F*2,D*2,D*2,C*2,D*2,DU*2,D*2,AU,A,E,G,FU)
}
+41
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@@ -0,0 +1,41 @@
// +build windows
package staros
import (
"syscall"
)
var (
// DefaultFreq - frequency, in Hz, middle A
DefaultFreq = 587.0
// DefaultDuration - duration in milliseconds
DefaultDuration = 500
)
// Beep beeps the PC speaker (https://en.wikipedia.org/wiki/PC_speaker).
func Beep(freq float64, duration int) error {
if freq == 0 {
freq = DefaultFreq
} else if freq > 32767 {
freq = 32767
} else if freq < 37 {
freq = DefaultFreq
}
if duration == 0 {
duration = DefaultDuration
}
kernel32, _ := syscall.LoadLibrary("kernel32.dll")
beep32, _ := syscall.GetProcAddress(kernel32, "Beep")
defer syscall.FreeLibrary(kernel32)
_, _, e := syscall.Syscall(uintptr(beep32), uintptr(2), uintptr(int(freq)), uintptr(duration), 0)
if e != 0 {
return e
}
return nil
}
+70
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@@ -3,11 +3,81 @@
package staros
import (
"b612.me/stario"
"os"
"syscall"
"time"
)
type FileLock struct {
fd int
filepath string
}
func (f *FileLock) openFileForLock() error {
fd, err := syscall.Open(f.filepath, syscall.O_CREAT|syscall.O_RDONLY, 0600)
if err != nil {
return err
}
f.filepath = f.filepath
f.fd = fd
return nil
}
func (f *FileLock) Lock(Exclusive bool) error {
var lockType int
if Exclusive {
lockType = syscall.LOCK_EX
} else {
lockType = syscall.LOCK_SH
}
if err := f.openFileForLock(); err != nil {
return err
}
return syscall.Flock(f.fd, lockType)
}
func (f *FileLock) LockNoBlocking(Exclusive bool) error {
var lockType int
if Exclusive {
lockType = syscall.LOCK_EX
} else {
lockType = syscall.LOCK_SH
}
if err := f.openFileForLock(); err != nil {
return err
}
err := syscall.Flock(f.fd, lockType|syscall.LOCK_NB)
if err != nil {
syscall.Close(f.fd)
if err == syscall.EWOULDBLOCK {
return ERR_ALREADY_LOCKED
}
}
return err
}
func (f *FileLock) Unlock() error {
err := syscall.Flock(f.fd, syscall.LOCK_UN)
if err != nil {
return err
}
return syscall.Close(f.fd)
}
func (f *FileLock) LockWithTimeout(tm time.Duration, Exclusive bool) error {
return stario.WaitUntilTimeout(tm, func(tmout chan struct{}) error {
err := f.Lock(Exclusive)
select {
case <-tmout:
f.Unlock()
return nil
default:
}
return err
})
}
func timespecToTime(ts syscall.Timespec) time.Time {
return time.Unix(int64(ts.Sec), int64(ts.Nsec))
}
+10
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@@ -0,0 +1,10 @@
module b612.me/staros
go 1.16
require (
b612.me/stario v0.0.8
b612.me/win32api v0.0.1
b612.me/wincmd v0.0.2
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8
)
+22
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@@ -0,0 +1,22 @@
b612.me/stario v0.0.7/go.mod h1:or4ssWcxQSjMeu+hRKEgtp0X517b3zdlEOAms8Qscvw=
b612.me/stario v0.0.8 h1:kaA4pszAKLZJm2D9JmiuYSpgjTeE3VaO74vm+H0vBGM=
b612.me/stario v0.0.8/go.mod h1:or4ssWcxQSjMeu+hRKEgtp0X517b3zdlEOAms8Qscvw=
b612.me/win32api v0.0.1 h1:vLFB1xhO6pd9+zB2EyaapKB459Urv3v+C1YwgwOFEWo=
b612.me/win32api v0.0.1/go.mod h1:MHu0JBQjzxQ2yxpZPUBbn5un45o67eF5iWKa4Q9e0yE=
b612.me/wincmd v0.0.2 h1:Ub1WtelVT6a3vD4B6zDYo3UPO/t9ymnI3x1dQPJcrGw=
b612.me/wincmd v0.0.2/go.mod h1:bwpyCKfSDY8scSMo3Lrd0Qnqvpz7/CILL7oodfG0wgo=
golang.org/x/crypto v0.0.0-20220313003712-b769efc7c000/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064 h1:S25/rfnfsMVgORT4/J61MJ7rdyseOZOyvLIrZEZ7s6s=
golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8 h1:OH54vjqzRWmbJ62fjuhxy7AxFFgoHN0/DPc/UrL8cAs=
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+16 -9
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@@ -1,3 +1,4 @@
//go:build !windows
// +build !windows
package staros
@@ -67,7 +68,13 @@ func NetSpeeds(duration time.Duration) ([]NetSpeed, error) {
for k, v := range list1 {
recv := float64(list2[k].RecvBytes-v.RecvBytes) / duration.Seconds()
send := float64(list2[k].SendBytes-v.SendBytes) / duration.Seconds()
res = append(res, NetSpeed{v.Name, recv, send})
res = append(res, NetSpeed{
Name: v.Name,
RecvSpeeds: recv,
SendSpeeds: send,
RecvBytes: list2[k].RecvBytes,
SendBytes: list2[k].SendBytes,
})
}
return res, nil
}
@@ -87,12 +94,12 @@ func NetSpeedsByName(duration time.Duration, name string) (NetSpeed, error) {
// NetConnections return all TCP/UDP/UNIX DOMAIN SOCKET Connections
// if your uid != 0 ,and analysePid==true ,you should have CAP_SYS_PRTACE and CAP_DAC_OVERRIDE/CAP_DAC_READ_SEARCH Caps
func NetConnections(analysePid bool,types string) ([]NetConn, error) {
func NetConnections(analysePid bool, types string) ([]NetConn, error) {
var result []NetConn
var inodeMap map[string]int64
var err error
var fileList []string
if types=="" || strings.Contains(strings.ToLower(types),"all") {
if types == "" || strings.Contains(strings.ToLower(types), "all") {
fileList = []string{
"/proc/net/tcp",
"/proc/net/tcp6",
@@ -101,14 +108,14 @@ func NetConnections(analysePid bool,types string) ([]NetConn, error) {
"/proc/net/unix",
}
}
if strings.Contains(strings.ToLower(types),"tcp") {
fileList =append(fileList,"/proc/net/tcp","/proc/net/tcp6")
if strings.Contains(strings.ToLower(types), "tcp") {
fileList = append(fileList, "/proc/net/tcp", "/proc/net/tcp6")
}
if strings.Contains(strings.ToLower(types),"udp") {
fileList =append(fileList,"/proc/net/udp","/proc/net/udp6")
if strings.Contains(strings.ToLower(types), "udp") {
fileList = append(fileList, "/proc/net/udp", "/proc/net/udp6")
}
if strings.Contains(strings.ToLower(types),"unix") {
fileList =append(fileList,"/proc/net/unix")
if strings.Contains(strings.ToLower(types), "unix") {
fileList = append(fileList, "/proc/net/unix")
}
if analysePid {
inodeMap, err = GetInodeMap()
+5 -3
View File
@@ -35,9 +35,11 @@ type NetAdapter struct {
}
type NetSpeed struct {
Name string
RecvBytes float64
SendBytes float64
Name string
RecvSpeeds float64
SendSpeeds float64
RecvBytes uint64
SendBytes uint64
}
// Process 定义一个进程的信息