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package main
import (
"fmt"
"path"
"sort"
"syscall"
)
type FileFlag struct {
Value uint64
Name string
}
var FileFlags = []FileFlag{
{Value: syscall.O_APPEND, Name: "O_APPEND"},
{Value: syscall.O_ASYNC, Name: "O_ASYNC"},
{Value: syscall.O_CLOEXEC, Name: "O_CLOEXEC"},
{Value: syscall.O_CREAT, Name: "O_CREAT"},
{Value: syscall.O_DIRECT, Name: "O_DIRECT"},
{Value: syscall.O_DIRECTORY, Name: "O_DIRECTORY"},
{Value: syscall.O_DSYNC, Name: "O_DSYNC"},
{Value: syscall.O_EXCL, Name: "O_EXCL"},
{Value: syscall.O_FSYNC, Name: "O_FSYNC"},
{Value: syscall.O_NDELAY, Name: "O_NDELAY"},
{Value: syscall.O_NOATIME, Name: "O_NOATIME"},
{Value: syscall.O_NOCTTY, Name: "O_NOCTTY"},
{Value: syscall.O_NOFOLLOW, Name: "O_NOFOLLOW"},
{Value: syscall.O_NONBLOCK, Name: "O_NONBLOCK"},
{Value: syscall.O_RDONLY, Name: "O_RDONLY"},
{Value: syscall.O_RDWR, Name: "O_RDWR"},
{Value: syscall.O_RSYNC, Name: "O_RSYNC"},
{Value: syscall.O_SYNC, Name: "O_SYNC"},
{Value: syscall.O_TRUNC, Name: "O_TRUNC"},
{Value: syscall.O_WRONLY, Name: "O_WRONLY"},
}
func filtFiles(pRawFileData *[]File) {
rawFileData := *pRawFileData
files = make([]File, 0)
// 所有文件按照特定顺序排
sort.Slice(rawFileData, func(i, j int) bool {
pi := &rawFileData[i]
pj := &rawFileData[j]
if pi.FileName < pj.FileName {
return true
} else if pi.FileName > pj.FileName {
return false
}
if pi.Pid < pj.Pid {
return true
} else if pi.Pid > pj.Pid {
return false
}
if pi.Fd < pj.Fd {
return true
} else if pi.Fd > pj.Fd {
return false
}
if pi.OpenTimestamp.Before(pj.OpenTimestamp) {
return true
} else {
return false
}
})
for _, file := range rawFileData {
tgid := findTgid[file.Pid]
pTgidNode, exists := helloTree[tgid]
if !exists {
continue
}
if file.CloseTimestamp.IsZero() {
index, exists := pTgidNode.FindPid[file.Pid]
if !exists || index < 0 || index >= len(pTgidNode.Threads) {
continue
}
file.CloseTimestamp = pTgidNode.Threads[index].ExitTimestamp
}
file.FileName = path.Clean(file.FileName)
files = append(files, file)
}
}
// 解析 Flags[1] 的值为描述性字符串
func parseFlags(flag uint64) string {
var result string
for _, fileFlag := range FileFlags {
if flag&fileFlag.Value == fileFlag.Value {
if result != "" {
result += " | "
}
result += fileFlag.Name
}
}
if result == "" {
return fmt.Sprintf("0x%x", flag) // 返回原始十六进制值
}
return result
}
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