video-conference-monitor/
├── config.py          # 配置文件（閾值、參數(shù)）
├── network_monitor.py # 網(wǎng)絡(luò)質(zhì)量監(jiān)控模塊
├── system_monitor.py  # 系統(tǒng)資源監(jiān)控模塊
├── av_monitor.py      # 音視頻質(zhì)量監(jiān)控模塊
├── alert_manager.py   # 告警管理模塊
├── main.py            # 主程序入口
├── dashboard.html     # Web可視化儀表盤
└── requirements.txt   # 依賴清單

┌─────────────────────────────────────────────────────────────┐
│                    VideoConferenceMonitor                    │
│                        (main.py)                             │
└─────────────────────────────────────────────────────────────┘
                              │
        ┌─────────────────────┼─────────────────────┐
        │                     │                     │
        ▼                     ▼                     ▼
┌───────────────┐   ┌───────────────┐   ┌───────────────┐
│NetworkMonitor │   │ SystemMonitor │   │   AVMonitor   │
│  (網(wǎng)絡(luò)監(jiān)控)    │   │  (系統(tǒng)監(jiān)控)    │   │  (音視頻 監(jiān)控)  │
└───────────────┘   └───────────────┘   └───────────────┘
        │                     │                     │
        └─────────────────────┼─────────────────────┘
                              │
                              ▼
                    ┌───────────────┐
                    │ AlertManager  │
                    │  (告警管理)    │
                    └───────────────┘
                              │
                              ▼
                    ┌───────────────┐
                    │  Dashboard    │
                    │  (可視化展示)  │
                    └───────────────┘

class NetworkMonitor:
    def __init__(self):
        self.host = NETWORK_CONFIG['ping_host']
        self.ping_count = NETWORK_CONFIG['ping_count']
        self.timeout = NETWORK_CONFIG['ping_timeout']
        self.latency_history = deque(maxlen=10)  # 歷史數(shù)據(jù)隊(duì)列
        self.jitter_history = deque(maxlen=10)
        self.packet_loss_history = deque(maxlen=10)

    def _ping(self):
        """執(zhí)行ping命令獲取延遲和丟包率"""
        param = '-n' if platform.system().lower() == 'windows' else '-c'
        output = subprocess.check_output(
            ['ping', param, str(self.ping_count), self.host],
            universal_newlines=True
        )
        # 解析ping輸出...
        return avg_latency, packet_loss

    def _calculate_jitter(self):
        """計(jì)算網(wǎng)絡(luò)抖動(dòng)"""
        if len(self.latency_history) >= 2:
            jitter = sum(abs(self.latency_history[i] - self.latency_history[i-1]) 
                        for i in range(1, len(self.latency_history))) / (len(self.latency_history) - 1)
            return jitter
        return 0.0

class SystemMonitor:
    def _get_cpu_usage(self):
        """獲取CPU使用率"""
        import psutil
        return psutil.cpu_percent(interval=0.5)

    def _get_gpu_info(self):
        """獲取GPU信息（NVIDIA顯卡）"""
        from pynvml import nvmlInit, nvmlDeviceGetCount, nvmlDeviceGetUtilizationRates
        nvmlInit()
        handle = nvmlDeviceGetHandleByIndex(0)
        gpu_percent = nvmlDeviceGetUtilizationRates(handle).gpu
        return gpu_percent

    def _get_temperature(self):
        """獲取設(shè)備溫度（跨平臺(tái)）"""
        if self.platform == 'windows':
            return self._get_windows_temperature()
        elif self.platform == 'linux':
            return self._get_linux_temperature()

def _calculate_mos(self, network_status):
    """基于E-Model計(jì)算MOS評(píng)分"""
    latency = network_status['latency']['value']
    jitter = network_status['jitter']['value']
    packet_loss = network_status['packet_loss']['value']
    
    # 計(jì)算R因子
    r_factor = 93.2
    r_factor -= latency / 10      # 延遲懲罰
    r_factor -= jitter * 0.5      # 抖動(dòng)懲罰
    r_factor -= packet_loss * 2   # 丟包懲罰
    
    # R因子轉(zhuǎn)MOS
    if r_factor >= 90:
        mos = 4.5 + (r_factor - 90) * 0.05
    elif r_factor >= 70:
        mos = 3.5 + (r_factor - 70) * 0.05
    else:
        mos = 1.0 + r_factor * 0.03
    
    return max(1.0, min(5.0, mos))

class AlertManager:
    def add_alert(self, category, metric, status, value, message, suggestion):
        """添加告警"""
        # 告警限流檢查
        if self._is_cooldown_active(alert_key):
            return False
        if self._check_rate_limit():
            return False
        
        alert = {
            'timestamp': time.time(),
            'category': category,      # network/system/av
            'metric': metric,          # latency/cpu/mos
            'status': status,          # warning/critical
            'message': message,
            'suggestion': suggestion   # 優(yōu)化建議
        }
        
        self._notify(alert)  # 多渠道通知
        return True

    def _get_network_suggestion(self, metric, value):
        """獲取網(wǎng)絡(luò)優(yōu)化建議"""
        suggestions = {
            'latency': [
                "延遲過(guò)高，建議檢查網(wǎng)絡(luò)連接質(zhì)量",
                "嘗試切換到有線網(wǎng)絡(luò)或更穩(wěn)定的Wi-Fi",
                "關(guān)閉正在下載的任務(wù)以減少網(wǎng)絡(luò)占用"
            ],
            'packet_loss': [
                "網(wǎng)絡(luò)丟包嚴(yán)重，建議檢查路由器連接",
                "嘗試重啟路由器或更換網(wǎng)絡(luò)"
            ]
        }
        return suggestions.get(metric, [])

pip install -r requirements.txt

psutil>=5.9.0        # 系統(tǒng)監(jiān)控
speedtest-cli>=2.1.3 # 帶寬測(cè)試
pynvml>=11.4.1       # GPU監(jiān)控
wmi>=1.5.1           # Windows溫度監(jiān)控
requests>=2.31.0     # HTTP請(qǐng)求

python main.py

NETWORK_CONFIG = {
    'ping_host': '8.8.8.8',      # 監(jiān)測(cè)目標(biāo)
    'ping_count': 5,             # ping次數(shù)
    'monitor_interval': 2,       # 監(jiān)控間隔(秒)
    'thresholds': {
        'latency': {
            'good': 50,          # 良好閾值
            'warning': 150,      # 警告閾值
            'critical': 300      # 嚴(yán)重閾值
        }
    }
}

======================================================================
          視頻會(huì)議監(jiān)控工具 - 2026-05-20 08:32:40
======================================================================
【網(wǎng)絡(luò)質(zhì)量】
------------------------------
  延遲: 25.5ms (GOOD)
  丟包率: 0.0% (GOOD)
  抖動(dòng): 3.2ms (GOOD)
  帶寬: 85.5Mbps (GOOD)
【系統(tǒng)資源】
------------------------------
  CPU: 25.5% (8核)
  內(nèi)存: 45.2% (可用: 16.2GB)
  磁盤: 55.0% (可用: 450.0GB)
  GPU: 30.0% (顯存: 40.0%)
  溫度: 45.0C
【音視頻質(zhì)量】
------------------------------
  MOS評(píng)分: 4.3 - 優(yōu)秀 - 語(yǔ)音質(zhì)量良好
  視頻幀率: 30fps
  視頻分辨率: 1920x1080
  音頻采樣率: 48kHz
【告警概覽】
------------------------------
  總告警數(shù): 0
  嚴(yán)重告警: 0
  警告告警: 0
======================================================================
  按 Ctrl+C 退出監(jiān)控
======================================================================

[2026-05-20 08:35:12] NETWORK ALERT: 網(wǎng)絡(luò)延遲嚴(yán)重異常
  指標(biāo): latency = 350ms
  建議: 延遲過(guò)高，建議檢查網(wǎng)絡(luò)連接質(zhì)量
        嘗試切換到有線網(wǎng)絡(luò)或更穩(wěn)定的Wi-Fi
        關(guān)閉正在下載的任務(wù)以減少網(wǎng)絡(luò)占用

[2026-05-20 08:36:45] SYSTEM ALERT: 系統(tǒng)CPU使用率嚴(yán)重異常
  指標(biāo): cpu = 95%
  建議: CPU占用過(guò)高，建議關(guān)閉不必要的應(yīng)用程序
        結(jié)束后臺(tái)進(jìn)程釋放CPU資源

# 在 config.py 中添加新指標(biāo)
NETWORK_CONFIG['thresholds']['new_metric'] = {
    'good': 100,
    'warning': 200,
    'critical': 300
}

# 在對(duì)應(yīng)Monitor類中實(shí)現(xiàn)采集方法
def _get_new_metric(self):
    # 實(shí)現(xiàn)數(shù)據(jù)采集邏輯
    return value

# 在 config.py 中配置
ALERT_CONFIG = {
    'notification_methods': ['console', 'file', 'webhook'],
    'webhook_url': 'https://your-webhook-url'
}

from network_monitor import NetworkMonitor
from alert_manager import AlertManager

monitor = NetworkMonitor()
alert_manager = AlertManager()

# 獲取狀態(tài)
status = monitor.get_status()

# 分析并告警
alert_manager.analyze_network_status(status)