mirror of
https://github.com/shadow1ng/fscan.git
synced 2026-09-22 03:10:42 +08:00
705 lines
18 KiB
Go
705 lines
18 KiB
Go
package common
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import (
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"fmt"
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"os"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"unicode/utf8"
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"golang.org/x/term"
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"github.com/shadow1ng/fscan/common/i18n"
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)
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// 默认终端宽度
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const defaultTerminalWidth = 80
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/*
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ProgressManager.go - 固定底部进度条管理器
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提供固定在终端底部的进度条显示,与正常输出内容分离。
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使用终端控制码实现位置固定和内容保护。
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*/
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// ProgressManager 进度条管理器
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type ProgressManager struct {
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mu sync.RWMutex
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enabled bool
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total atomic.Int64
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current atomic.Int64
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description string
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startTime time.Time
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isActive bool
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terminalHeight int
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reservedLines int // 为进度条保留的行数
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lastContentLine int // 最后一行内容的位置
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// 输出缓冲相关
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outputMutex sync.Mutex
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// 活跃指示器相关
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spinnerIndex int
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lastActivity time.Time
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activityTicker *time.Ticker
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stopActivityChan chan struct{}
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// 进度条更新控制(减少 Windows 终端的重复输出)
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lastRenderedPercent int
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// 引用,避免读全局
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state *State
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noColor bool
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}
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// =============================================================================
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// ANSI终端控制码常量
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// =============================================================================
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const (
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// AnsiClearLine 光标和行控制 - 清除当前行并回到行首
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AnsiClearLine = "\033[2K\r"
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// AnsiMoveCursor 向上移动N行(格式化字符串)
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AnsiMoveCursor = "\033[%dA"
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// AnsiRed 颜色代码 - 红色文本
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AnsiRed = "\033[31m"
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// AnsiGreen 绿色文本
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AnsiGreen = "\033[32m"
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// AnsiYellow 黄色文本
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AnsiYellow = "\033[33m"
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// AnsiCyan 青色文本
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AnsiCyan = "\033[36m"
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// AnsiGray 灰色文本
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AnsiGray = "\033[90m"
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// AnsiReset 重置所有属性
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AnsiReset = "\033[0m"
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)
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var (
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globalProgressManager *ProgressManager
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progressMutex sync.Mutex
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// 活跃指示器字符序列(旋转动画)
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spinnerChars = []string{"|", "/", "-", "\\"}
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// 活跃指示器更新间隔
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activityUpdateInterval = 500 * time.Millisecond
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)
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// GetProgressManager 获取全局进度条管理器
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func GetProgressManager() *ProgressManager {
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progressMutex.Lock()
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defer progressMutex.Unlock()
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if globalProgressManager == nil {
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globalProgressManager = &ProgressManager{
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enabled: true,
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reservedLines: 2, // 保留2行:进度条 + 空行
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terminalHeight: getTerminalHeight(),
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}
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}
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return globalProgressManager
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}
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// InitProgress 初始化进度条
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func (pm *ProgressManager) InitProgress(total int64, description string) {
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cfg := GetGlobalConfig()
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if cfg.Output.DisableProgress || cfg.Output.Silent || cfg.Output.NoColor {
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pm.enabled = false
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return
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}
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pm.state = GetGlobalState()
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pm.noColor = cfg.Output.NoColor
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pm.mu.Lock()
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defer pm.mu.Unlock()
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pm.total.Store(total)
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pm.current.Store(0)
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pm.description = description
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pm.startTime = time.Now()
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pm.isActive = true
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pm.enabled = true
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pm.lastActivity = time.Now()
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pm.spinnerIndex = 0
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pm.lastRenderedPercent = -1 // 强制首次渲染
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// 为进度条保留空间
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pm.setupProgressSpace()
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// 启动活跃指示器
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pm.startActivityIndicator()
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// 初始显示进度条
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pm.renderProgress()
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}
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// UpdateProgress 更新进度
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func (pm *ProgressManager) UpdateProgress(increment int64) {
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if !pm.enabled || !pm.isActive {
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return
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}
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// 原子累加,避免高并发下的锁竞争
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newCurrent := pm.current.Add(increment)
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if newCurrent > pm.total.Load() {
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pm.current.Store(pm.total.Load())
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}
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// 节流渲染:距上次渲染不足 50ms 则跳过
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now := time.Now()
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pm.mu.RLock()
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lastAct := pm.lastActivity
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pm.mu.RUnlock()
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if now.Sub(lastAct) < 50*time.Millisecond {
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return
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}
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pm.mu.Lock()
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pm.lastActivity = now
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pm.mu.Unlock()
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pm.renderProgress()
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}
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// =============================================================================================
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// 已删除的死代码(未使用):SetProgress 设置当前进度
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// =============================================================================================
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// FinishProgress 完成进度条
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func (pm *ProgressManager) FinishProgress() {
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if !pm.enabled || !pm.isActive {
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return
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}
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pm.mu.Lock()
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defer pm.mu.Unlock()
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pm.current.Store(pm.total.Load())
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pm.renderProgress()
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// 停止活跃指示器
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pm.stopActivityIndicator()
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// 显示完成信息
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pm.showCompletionInfo()
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// 清理进度条区域,恢复正常输出
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pm.clearProgressArea()
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pm.isActive = false
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}
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// setupProgressSpace 设置进度条空间
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func (pm *ProgressManager) setupProgressSpace() {
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// 简化设计:进度条在原地更新,不需要预留额外空间
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// 只是标记进度条开始的位置
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pm.lastContentLine = 0
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}
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// =============================================================================================
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// 已删除的死代码(未使用):moveToContentArea 和 moveToProgressLine 方法
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// =============================================================================================
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// renderProgress 渲染进度条(使用锁避免输出冲突)
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func (pm *ProgressManager) renderProgress() {
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pm.outputMutex.Lock()
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defer pm.outputMutex.Unlock()
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pm.renderProgressUnsafe()
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}
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// generateProgressBar 生成进度条字符串
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// 根据终端宽度动态调整内容,确保不超过一行
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func (pm *ProgressManager) generateProgressBar() string {
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termWidth := getTerminalWidth()
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// 获取发包统计
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packetInfo := pm.getPacketInfo()
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if pm.total.Load() == 0 {
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spinner := pm.getActivityIndicator()
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base := fmt.Sprintf("%s %s %s", pm.description, spinner, i18n.GetText("progress_waiting"))
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if packetInfo != "" {
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return base + " " + packetInfo
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}
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return base
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}
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percentage := float64(pm.current.Load()) / float64(pm.total.Load()) * 100
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elapsed := time.Since(pm.startTime)
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current := pm.current.Load()
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// 计算速度
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speed := float64(current) / elapsed.Seconds()
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speedStr := ""
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if speed > 0 {
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speedStr = fmt.Sprintf(" %.0f/s", speed)
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}
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// 计算预估剩余时间
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var eta string
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if current > 0 && current < pm.total.Load() {
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totalTime := elapsed * time.Duration(pm.total.Load()) / time.Duration(current)
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remaining := totalTime - elapsed
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if remaining > 0 {
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eta = fmt.Sprintf(" ETA:%s", formatDuration(remaining))
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}
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}
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// 活跃指示器
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spinner := pm.getActivityIndicator()
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// 计算固定部分的宽度
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fixedPart := fmt.Sprintf("%s %s %5.1f%% [] (%d/%d)%s%s %s",
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pm.description, spinner, percentage, current, pm.total.Load(), speedStr, eta, packetInfo)
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fixedWidth := displayWidth(fixedPart)
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// 计算进度条槽位可用宽度(预留2字符余量)
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barWidth := termWidth - fixedWidth - 2
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if barWidth < 10 {
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barWidth = 10 // 最小进度条宽度
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}
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if barWidth > 30 {
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barWidth = 30 // 最大进度条宽度
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}
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// 生成进度条
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filled := int(percentage * float64(barWidth) / 100)
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if filled > barWidth {
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filled = barWidth
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}
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bar := "[" + strings.Repeat("=", filled)
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if filled < barWidth {
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bar += ">"
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bar += strings.Repeat("-", barWidth-filled-1)
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}
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bar += "]"
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// 构建最终进度条
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result := fmt.Sprintf("%s %s %5.1f%% %s (%d/%d)%s%s",
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pm.description, spinner, percentage, bar, current, pm.total.Load(), speedStr, eta)
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if packetInfo != "" {
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result += " " + packetInfo
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}
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return result
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}
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// getPacketInfo 获取发包统计信息(简化版)
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func (pm *ProgressManager) getPacketInfo() string {
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if pm.state == nil {
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return ""
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}
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packetCount := pm.state.GetPacketCount()
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if packetCount == 0 {
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return ""
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}
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tcpSuccess := pm.state.GetTCPSuccessPacketCount()
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tcpFailed := pm.state.GetTCPFailedPacketCount()
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// 简化格式:TCP:成功/失败
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if tcpSuccess > 0 || tcpFailed > 0 {
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return fmt.Sprintf("TCP:%d/%d", tcpSuccess, tcpFailed)
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}
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return fmt.Sprintf("Pkt:%d", packetCount)
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}
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// showCompletionInfo 显示完成信息
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func (pm *ProgressManager) showCompletionInfo() {
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elapsed := time.Since(pm.startTime)
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// 换行并显示完成信息
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fmt.Print("\n")
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completionMsg := i18n.GetText("progress_scan_completed")
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doneMsg := i18n.GetText("progress_done")
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durationMsg := i18n.GetText("progress_duration")
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total := pm.total.Load()
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if pm.noColor {
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fmt.Printf("[%s] %s: %d/%d (%s: %s)\n",
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doneMsg, completionMsg, total, total, durationMsg, formatDuration(elapsed))
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} else {
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fmt.Printf("%s[%s] %s: %d/%d%s %s(%s: %s)%s\n",
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AnsiGreen, doneMsg, completionMsg, total, total, AnsiReset,
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AnsiGray, durationMsg, formatDuration(elapsed), AnsiReset)
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}
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}
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// clearProgressArea 清理进度条区域
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func (pm *ProgressManager) clearProgressArea() {
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// 简单清除当前行
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fmt.Print(AnsiClearLine)
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}
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// IsActive 检查进度条是否活跃
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func (pm *ProgressManager) IsActive() bool {
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pm.mu.RLock()
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defer pm.mu.RUnlock()
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return pm.isActive && pm.enabled
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}
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// getTerminalHeight 获取终端高度
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func getTerminalHeight() int {
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return 0
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}
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// getTerminalWidth 获取终端宽度
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func getTerminalWidth() int {
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width, _, err := term.GetSize(int(os.Stdout.Fd()))
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if err != nil || width <= 0 {
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return defaultTerminalWidth
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}
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return width
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}
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// displayWidth 计算字符串的显示宽度(中文字符占2列)
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func displayWidth(s string) int {
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width := 0
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for _, r := range s {
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if r >= 0x4E00 && r <= 0x9FFF || // CJK统一汉字
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r >= 0x3000 && r <= 0x303F || // CJK标点
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r >= 0xFF00 && r <= 0xFFEF { // 全角字符
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width += 2
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} else if r >= 0x2600 && r <= 0x27BF || // 杂项符号
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r >= 0x2700 && r <= 0x27BF { // 装饰符号
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width += 2
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} else {
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width += 1
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}
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}
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return width
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}
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// truncateToWidth 截断字符串到指定显示宽度
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func truncateToWidth(s string, maxWidth int) string {
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if maxWidth <= 0 {
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return ""
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}
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currentWidth := 0
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result := strings.Builder{}
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for _, r := range s {
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var charWidth int
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if r >= 0x4E00 && r <= 0x9FFF ||
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r >= 0x3000 && r <= 0x303F ||
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r >= 0xFF00 && r <= 0xFFEF ||
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r >= 0x2600 && r <= 0x27BF ||
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r >= 0x2700 && r <= 0x27BF {
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charWidth = 2
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} else {
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charWidth = 1
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}
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if currentWidth+charWidth > maxWidth {
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break
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}
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result.WriteRune(r)
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currentWidth += charWidth
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}
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return result.String()
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}
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// stripAnsiCodes 移除 ANSI 转义码,用于计算实际显示宽度
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func stripAnsiCodes(s string) string {
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result := strings.Builder{}
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inEscape := false
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for i := 0; i < len(s); {
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if s[i] == '\033' && i+1 < len(s) && s[i+1] == '[' {
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inEscape = true
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i += 2
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continue
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}
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if inEscape {
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if (s[i] >= 'A' && s[i] <= 'Z') || (s[i] >= 'a' && s[i] <= 'z') {
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inEscape = false
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}
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i++
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continue
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}
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r, size := utf8.DecodeRuneInString(s[i:])
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result.WriteRune(r)
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i += size
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}
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return result.String()
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}
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// formatDuration 格式化时间间隔
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func formatDuration(d time.Duration) string {
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if d < time.Minute {
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return fmt.Sprintf("%.1fs", d.Seconds())
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}
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if d < time.Hour {
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return fmt.Sprintf("%.1fm", d.Minutes())
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}
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return fmt.Sprintf("%.1fh", d.Hours())
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}
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// InitProgressBar 初始化进度条(全局函数,方便其他模块调用)
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func InitProgressBar(total int64, description string) {
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GetProgressManager().InitProgress(total, description)
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}
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// UpdateProgressBar 更新进度条
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func UpdateProgressBar(increment int64) {
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GetProgressManager().UpdateProgress(increment)
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}
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// =============================================================================================
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// 已删除的死代码(未使用):SetProgressBar 全局函数
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// =============================================================================================
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// FinishProgressBar 完成进度条
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func FinishProgressBar() {
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GetProgressManager().FinishProgress()
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}
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// IsProgressActive 检查进度条是否活跃
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func IsProgressActive() bool {
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return GetProgressManager().IsActive()
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}
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// GetProgressPercent 获取当前进度百分比 (0-100)
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func GetProgressPercent() float64 {
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return GetProgressManager().GetPercent()
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}
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// GetPercent 获取当前进度百分比
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func (pm *ProgressManager) GetPercent() float64 {
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pm.mu.RLock()
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defer pm.mu.RUnlock()
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if !pm.isActive || pm.total.Load() == 0 {
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return 0
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}
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return float64(pm.current.Load()) / float64(pm.total.Load()) * 100
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}
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// =============================================================================
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// 日志输出协调功能
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// =============================================================================
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// LogWithProgress 在进度条活跃时协调日志输出
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func LogWithProgress(message string) {
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if cfg := GetGlobalConfig(); cfg != nil && cfg.Output.Silent {
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return
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}
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pm := GetProgressManager()
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if !pm.IsActive() {
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// 如果进度条不活跃,直接输出
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fmt.Println(message)
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return
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}
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pm.outputMutex.Lock()
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defer pm.outputMutex.Unlock()
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// 清除当前行(清除进度条)
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// Windows 通过 progress_manager_win.go 已启用 ANSI 支持
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fmt.Print(AnsiClearLine)
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// 输出日志消息
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fmt.Println(message)
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// 不重绘进度条,等待下次 UpdateProgress 自动绘制
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}
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// renderProgressUnsafe 不加锁的进度条渲染(内部使用)
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func (pm *ProgressManager) renderProgressUnsafe() {
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if !pm.enabled || !pm.isActive {
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return
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}
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// 计算当前百分比(避免除零)
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currentPercent := 0
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if pm.total.Load() > 0 {
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currentPercent = int((pm.current.Load() * 100) / pm.total.Load())
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}
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// 只在百分比变化时更新,减少不必要的渲染
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if currentPercent == pm.lastRenderedPercent && currentPercent < 100 {
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return
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}
|
|
pm.lastRenderedPercent = currentPercent
|
|
|
|
// 获取终端宽度
|
|
termWidth := getTerminalWidth()
|
|
|
|
// 生成进度条内容
|
|
progressBar := pm.generateProgressBar()
|
|
|
|
// 计算实际显示宽度(去除 ANSI 码后)
|
|
plainBar := stripAnsiCodes(progressBar)
|
|
actualWidth := displayWidth(plainBar)
|
|
|
|
// 如果超过终端宽度,截断内容
|
|
// 预留 1 字符防止边界问题
|
|
maxWidth := termWidth - 1
|
|
if actualWidth > maxWidth {
|
|
// 截断纯文本部分
|
|
progressBar = truncateToWidth(plainBar, maxWidth)
|
|
}
|
|
|
|
// 清除当前行并移动到行首
|
|
// 使用空格覆盖旧内容,确保不留残留
|
|
clearStr := "\r" + strings.Repeat(" ", termWidth-1) + "\r"
|
|
fmt.Print(clearStr)
|
|
|
|
// 输出进度条(带颜色,如果启用)
|
|
if pm.noColor {
|
|
fmt.Print(progressBar)
|
|
} else {
|
|
fmt.Printf("%s%s%s", AnsiCyan, progressBar, AnsiReset)
|
|
}
|
|
|
|
// 刷新输出
|
|
_ = os.Stdout.Sync()
|
|
}
|
|
|
|
// =============================================================================
|
|
// 活跃指示器相关方法
|
|
// =============================================================================
|
|
|
|
// startActivityIndicator 启动活跃指示器
|
|
func (pm *ProgressManager) startActivityIndicator() {
|
|
// 防止重复启动
|
|
if pm.activityTicker != nil {
|
|
return
|
|
}
|
|
|
|
pm.activityTicker = time.NewTicker(activityUpdateInterval)
|
|
pm.stopActivityChan = make(chan struct{})
|
|
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-pm.activityTicker.C:
|
|
// 只有在活跃状态下才更新指示器
|
|
if pm.isActive && pm.enabled {
|
|
pm.mu.Lock()
|
|
pm.spinnerIndex = (pm.spinnerIndex + 1) % len(spinnerChars)
|
|
pm.mu.Unlock()
|
|
|
|
// 只有在长时间没有进度更新时才重新渲染
|
|
// 这样可以避免频繁更新时的性能问题
|
|
if time.Since(pm.lastActivity) > 2*time.Second {
|
|
pm.renderProgress()
|
|
}
|
|
}
|
|
case <-pm.stopActivityChan:
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
// stopActivityIndicator 停止活跃指示器
|
|
func (pm *ProgressManager) stopActivityIndicator() {
|
|
if pm.activityTicker != nil {
|
|
pm.activityTicker.Stop()
|
|
pm.activityTicker = nil
|
|
}
|
|
|
|
if pm.stopActivityChan != nil {
|
|
close(pm.stopActivityChan)
|
|
pm.stopActivityChan = nil
|
|
}
|
|
}
|
|
|
|
// getActivityIndicator 获取当前活跃指示器字符
|
|
func (pm *ProgressManager) getActivityIndicator() string {
|
|
// 如果最近有活动(2秒内),显示静态指示器
|
|
if time.Since(pm.lastActivity) <= 2*time.Second {
|
|
return "●" // 实心圆表示活跃
|
|
}
|
|
|
|
// 如果长时间没有活动,显示旋转指示器表明程序仍在运行
|
|
return spinnerChars[pm.spinnerIndex]
|
|
}
|
|
|
|
// =============================================================================
|
|
// 并发监控器 (从 concurrency_monitor.go 合并)
|
|
// =============================================================================
|
|
|
|
/*
|
|
ConcurrencyMonitor - 并发监控器
|
|
|
|
监控两个层级的并发:
|
|
1. 主扫描器线程数 (-t 参数控制)
|
|
2. 插件内连接线程数 (-mt 参数控制)
|
|
*/
|
|
|
|
// ConcurrencyMonitor 并发监控器
|
|
type ConcurrencyMonitor struct {
|
|
// 主扫描器层级
|
|
activePluginTasks atomic.Int64 // 当前活跃的插件任务数
|
|
totalPluginTasks atomic.Int64 // 总插件任务数
|
|
|
|
// 插件内连接层级已移除 - 原代码为死代码,无任何调用者
|
|
}
|
|
|
|
// 已移除 PluginConnectionInfo 结构体 - 原为死代码,无任何使用
|
|
|
|
var (
|
|
globalConcurrencyMonitor *ConcurrencyMonitor
|
|
concurrencyMutex sync.Once
|
|
)
|
|
|
|
// GetConcurrencyMonitor 获取全局并发监控器
|
|
func GetConcurrencyMonitor() *ConcurrencyMonitor {
|
|
concurrencyMutex.Do(func() {
|
|
globalConcurrencyMonitor = &ConcurrencyMonitor{}
|
|
})
|
|
return globalConcurrencyMonitor
|
|
}
|
|
|
|
// =============================================================================
|
|
// 主扫描器层级监控
|
|
// =============================================================================
|
|
|
|
// StartPluginTask 开始插件任务
|
|
func (m *ConcurrencyMonitor) StartPluginTask() {
|
|
m.activePluginTasks.Add(1)
|
|
m.totalPluginTasks.Add(1)
|
|
}
|
|
|
|
// FinishPluginTask 完成插件任务
|
|
func (m *ConcurrencyMonitor) FinishPluginTask() {
|
|
m.activePluginTasks.Add(-1)
|
|
}
|
|
|
|
// GetPluginTaskStats 获取插件任务统计
|
|
func (m *ConcurrencyMonitor) GetPluginTaskStats() (active int64, total int64) {
|
|
return m.activePluginTasks.Load(), m.totalPluginTasks.Load()
|
|
}
|
|
|
|
// =============================================================================
|
|
// 已移除插件内连接层级监控 - 原为死代码,无任何调用者
|
|
// =============================================================================
|
|
|
|
// 已移除未使用的 Reset 方法
|
|
|
|
// GetConcurrencyStatus 获取并发状态字符串
|
|
func (m *ConcurrencyMonitor) GetConcurrencyStatus() string {
|
|
activePlugins, _ := m.GetPluginTaskStats()
|
|
|
|
if activePlugins == 0 {
|
|
return ""
|
|
}
|
|
|
|
return fmt.Sprintf("%s:%d", i18n.GetText("concurrency_plugin"), activePlugins)
|
|
}
|
|
|
|
// 已移除未使用的 GetDetailedStatus 方法
|