터치 패널 단독 실시간 대시보드 전환

touch_panel/panel.py

@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
-import json
-import subprocess
 import sys
+import time
+from collections import deque
 from pathlib import Path
 
-from PyQt5.QtCore import QObject, QPointF, Qt, QThread, QTimer, pyqtSignal
+from PyQt5.QtCore import QPointF, Qt, QTimer
 from PyQt5.QtGui import QColor, QPainter, QPainterPath, QPen
 from PyQt5.QtWidgets import (
     QApplication,
@@ -20,51 +20,139 @@ from PyQt5.QtWidgets import (
 )
 
 
-ROOT = Path(__file__).resolve().parents[1]
-BRIDGE = ROOT / "touch_panel" / "control_touch_bridge.php"
-PHP = "/usr/bin/php"
+NET_GROUPS = {
+    "wan": ["eth0"],
+    "lan": ["br0", "eth1"],
+    "wifi24": ["wlan0"],
+    "wifi5": ["wlan1"],
+}
 
 
-def run_bridge(*args):
-    proc = subprocess.run(
-        [PHP, str(BRIDGE), *map(str, args)],
-        cwd=str(ROOT),
-        text=True,
-        stdout=subprocess.PIPE,
-        stderr=subprocess.PIPE,
-        timeout=8,
-        check=False,
-    )
-    if proc.returncode != 0:
-        raise RuntimeError((proc.stderr or proc.stdout or "bridge failed").strip())
-    payload = json.loads(proc.stdout)
-    if not payload.get("ok"):
-        raise RuntimeError(payload.get("message") or payload.get("error") or "bridge error")
-    return payload["data"]
+def read_text(path, default=""):
+    try:
+        return Path(path).read_text(encoding="utf-8").strip()
+    except OSError:
+        return default
+
+
+def read_int(path, default=0):
+    raw = read_text(path)
+    return int(raw) if raw.isdigit() else default
+
+
+def cpu_temp():
+    raw = read_int("/sys/class/thermal/thermal_zone0/temp")
+    return round(raw / 1000, 1) if raw > 0 else 0.0
+
+
+def fan_paths():
+    for pwm in Path("/sys/devices/platform/cooling_fan/hwmon").glob("hwmon*/pwm1"):
+        base = pwm.parent
+        return {
+            "pwm": str(pwm),
+            "enable": str(base / "pwm1_enable"),
+            "rpm": str(base / "fan1_input"),
+        }
+    for pwm in Path("/sys/class/hwmon").glob("hwmon*/pwm1"):
+        base = pwm.parent
+        return {
+            "pwm": str(pwm),
+            "enable": str(base / "pwm1_enable"),
+            "rpm": str(base / "fan1_input"),
+        }
+    return {"pwm": "", "enable": "", "rpm": ""}
+
+
+def default_iface():
+    for line in read_text("/proc/net/route").splitlines()[1:]:
+        parts = line.split()
+        if len(parts) >= 2 and parts[1] == "00000000":
+            return parts[0]
+    return "eth0"
+
+
+def iface_stats(name):
+    base = Path("/sys/class/net") / name
+    stats = base / "statistics"
+    return {
+        "name": name,
+        "state": read_text(base / "operstate", "unknown"),
+        "carrier": read_text(base / "carrier", "0") == "1",
+        "rx_bytes": read_int(stats / "rx_bytes"),
+        "tx_bytes": read_int(stats / "tx_bytes"),
+        "rx_packets": read_int(stats / "rx_packets"),
+        "tx_packets": read_int(stats / "tx_packets"),
+        "rx_errors": read_int(stats / "rx_errors"),
+        "tx_errors": read_int(stats / "tx_errors"),
+        "rx_dropped": read_int(stats / "rx_dropped"),
+        "tx_dropped": read_int(stats / "tx_dropped"),
+    }
+
+
+def group_stats(names):
+    rows = [iface_stats(name) for name in names if (Path("/sys/class/net") / name).exists()]
+    if not rows:
+        return iface_stats(names[0])
+    return {
+        "name": "+".join(row["name"] for row in rows),
+        "state": "up" if any(row["state"] == "up" for row in rows) else rows[0]["state"],
+        "carrier": any(row["carrier"] for row in rows),
+        "rx_bytes": sum(row["rx_bytes"] for row in rows),
+        "tx_bytes": sum(row["tx_bytes"] for row in rows),
+        "rx_packets": sum(row["rx_packets"] for row in rows),
+        "tx_packets": sum(row["tx_packets"] for row in rows),
+        "rx_errors": sum(row["rx_errors"] for row in rows),
+        "tx_errors": sum(row["tx_errors"] for row in rows),
+        "rx_dropped": sum(row["rx_dropped"] for row in rows),
+        "tx_dropped": sum(row["tx_dropped"] for row in rows),
+    }
+
+
+def disk_io():
+    reads = 0
+    writes = 0
+    for line in read_text("/proc/diskstats").splitlines():
+        parts = line.split()
+        if len(parts) < 14:
+            continue
+        name = parts[2]
+        if name.startswith(("loop", "ram", "zram", "dm-")):
+            continue
+        reads += int(parts[3])
+        writes += int(parts[7])
+    return reads, writes
+
+
+def write_sys(path, value):
+    if not path:
+        return False
+    try:
+        Path(path).write_text(str(value) + "\n", encoding="utf-8")
+        return True
+    except OSError:
+        return False
 
 
 class StatusDot(QWidget):
     def __init__(self):
         super().__init__()
-        self.active = False
         self.warning = False
         self.pulse = 0
+        self.phase = False
         self.setFixedSize(22, 22)
 
     def set_warning(self, warning=False):
         self.warning = warning
         self.update()
 
-    def start_pulse(self):
-        self.active = True
-        self.pulse = 4
+    def blink(self):
+        self.pulse = 3
+        self.phase = not self.phase
         self.update()
 
     def tick(self):
         if self.pulse > 0:
             self.pulse -= 1
-            if self.pulse <= 0:
-                self.active = False
             self.update()
 
     def paintEvent(self, event):
@@ -74,8 +162,8 @@ class StatusDot(QWidget):
         base = QColor("#8fa0aa")
         if self.warning:
             base = QColor("#f59e0b")
-        if self.pulse > 0 and self.active:
-            base = QColor("#86efac") if self.pulse % 2 == 0 else QColor("#16a34a")
+        if self.pulse > 0:
+            base = QColor("#86efac") if self.phase else QColor("#16a34a")
         painter.setBrush(base)
         painter.setPen(Qt.NoPen)
         painter.drawEllipse(3, 3, 16, 16)
@@ -84,16 +172,13 @@ class StatusDot(QWidget):
 
 
 class StatusTile(QFrame):
-    def __init__(self, title, pulse_delay_ms=0):
+    def __init__(self, title):
         super().__init__()
-        self.pulse_delay_ms = pulse_delay_ms
         self.dot = StatusDot()
         self.title = QLabel(title)
         self.title.setObjectName("statusTitle")
         self.detail = QLabel("-")
         self.detail.setObjectName("statusDetail")
-        self.detail.setWordWrap(True)
-
         self.detail.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
         self.setFixedHeight(58)
 
@@ -102,47 +187,24 @@ class StatusTile(QFrame):
         layout.setSpacing(6)
         layout.addWidget(self.dot, 0, Qt.AlignLeft | Qt.AlignVCenter)
 
-        text_layout = QVBoxLayout()
-        text_layout.setContentsMargins(0, 0, 0, 0)
-        text_layout.setSpacing(1)
-        text_layout.addWidget(self.title)
-        text_layout.addWidget(self.detail)
-        layout.addLayout(text_layout, 1)
+        texts = QVBoxLayout()
+        texts.setContentsMargins(0, 0, 0, 0)
+        texts.setSpacing(1)
+        texts.addWidget(self.title)
+        texts.addWidget(self.detail)
+        layout.addLayout(texts, 1)
         self.setObjectName("statusTile")
 
-    def update_state(self, active, detail, warning=False):
+    def set_state(self, detail, warning=False, activity=False):
         self.dot.set_warning(warning)
-        if active:
-            QTimer.singleShot(self.pulse_delay_ms, self.dot.start_pulse)
+        if activity:
+            self.dot.blink()
         self.detail.setText(detail)
 
     def tick(self):
         self.dot.tick()
 
 
-class FanButton(QPushButton):
-    def __init__(self, text):
-        super().__init__(text)
-        self.setCheckable(True)
-        self.setMinimumHeight(44)
-
-
-class BridgeWorker(QObject):
-    finished = pyqtSignal(str, object)
-    failed = pyqtSignal(str, str)
-
-    def __init__(self, action, args):
-        super().__init__()
-        self.action = action
-        self.args = args
-
-    def run(self):
-        try:
-            self.finished.emit(self.action, run_bridge(*self.args))
-        except Exception as exc:
-            self.failed.emit(self.action, str(exc))
-
-
 class MetricCard(QFrame):
     def __init__(self, title):
         super().__init__()
@@ -151,7 +213,6 @@ class MetricCard(QFrame):
         self.title.setObjectName("metricTitle")
         self.value = QLabel("-")
         self.value.setObjectName("metricValue")
-
         layout = QVBoxLayout(self)
         layout.setContentsMargins(10, 8, 10, 8)
         layout.setSpacing(2)
@@ -189,8 +250,8 @@ class Sparkline(QFrame):
         layout.addWidget(self.canvas, 1)
 
     def set_values(self, values, caption, second_values=None):
-        self.values = [float(v or 0) for v in values][-80:]
-        self.second_values = [float(v or 0) for v in (second_values or [])][-80:]
+        self.values = list(values)[-80:]
+        self.second_values = list(second_values or [])[-80:]
         self.caption.setText(caption)
         self.canvas.update()
 
@@ -202,7 +263,6 @@ class Sparkline(QFrame):
         painter.fillRect(rect, QColor("#0f172a"))
         painter.setPen(QPen(QColor("#263650"), 1))
         painter.drawLine(rect.left(), rect.bottom(), rect.right(), rect.bottom())
-
         all_values = self.values + self.second_values
         if len(all_values) < 2:
             return
@@ -210,57 +270,53 @@ class Sparkline(QFrame):
         high = max(all_values)
         if high <= low:
             high = low + 1
-
-        self.draw_series(painter, rect, self.values, low, high, self.color, 2)
+        self.draw_series(painter, rect, self.values, low, high, self.color)
         if self.second_color and self.second_values:
-            self.draw_series(painter, rect, self.second_values, low, high, self.second_color, 2)
+            self.draw_series(painter, rect, self.second_values, low, high, self.second_color)
 
     @staticmethod
-    def draw_series(painter, rect, values, low, high, color, width):
-        if len(values) < 2:
-            return
+    def draw_series(painter, rect, values, low, high, color):
         path = QPainterPath()
         for index, value in enumerate(values):
-            x = rect.left() + (rect.width() * index / max(1, len(values) - 1))
-            ratio = (float(value) - low) / (high - low)
-            y = rect.bottom() - (rect.height() * ratio)
+            x = rect.left() + rect.width() * index / max(1, len(values) - 1)
+            y = rect.bottom() - rect.height() * ((float(value) - low) / (high - low))
             point = QPointF(x, y)
-            if index == 0:
-                path.moveTo(point)
-            else:
-                path.lineTo(point)
-        painter.setPen(QPen(color, width))
+            path.moveTo(point) if index == 0 else path.lineTo(point)
+        painter.setPen(QPen(color, 2))
         painter.drawPath(path)
 
 
 class TouchPanel(QMainWindow):
     def __init__(self):
         super().__init__()
-        self.snapshot = {}
         self.rows = {}
-        self.mode_buttons = {}
         self.metrics = {}
         self.charts = {}
-        self.last_counters = {}
-        self.bridge_busy = False
-        self.worker_thread = None
-        self.worker = None
-        self.current_mode = "auto"
-        self.current_pwm = 120
+        self.mode_buttons = {}
+        self.fan = fan_paths()
+        self.wan_iface = default_iface()
+        NET_GROUPS["wan"] = [self.wan_iface]
+        self.last_net = {}
+        self.last_io = None
+        self.last_sample = None
+        self.current_pwm = read_int(self.fan["pwm"])
+        self.temp_history = deque(maxlen=80)
+        self.rpm_history = deque(maxlen=80)
+        self.net_history = {key: {"rx": deque(maxlen=80), "tx": deque(maxlen=80)} for key in ["wan", "lan", "wifi"]}
 
-        self.setWindowTitle("Control Touch Panel")
+        self.setWindowTitle("Standalone Touch Dashboard")
         self.setCursor(Qt.BlankCursor)
         self.setMinimumSize(800, 480)
         self._build_ui()
 
-        self.refresh_timer = QTimer(self)
-        self.refresh_timer.timeout.connect(self.refresh)
-        self.refresh_timer.start(1500)
+        self.sample_timer = QTimer(self)
+        self.sample_timer.timeout.connect(self.sample)
+        self.sample_timer.start(120)
 
         self.pulse_timer = QTimer(self)
         self.pulse_timer.timeout.connect(self.tick_pulses)
-        self.pulse_timer.start(180)
-        self.refresh()
+        self.pulse_timer.start(70)
+        self.sample()
 
     def _build_ui(self):
         root = QWidget()
@@ -274,21 +330,14 @@ class TouchPanel(QMainWindow):
         left_layout = QVBoxLayout(left)
         left_layout.setContentsMargins(6, 8, 6, 8)
         left_layout.setSpacing(6)
-
         title = QLabel("상태")
         title.setObjectName("sectionTitle")
         left_layout.addWidget(title)
 
-        for index, (key, label) in enumerate([
-            ("io", "IO"),
-            ("wan", "WAN"),
-            ("lan", "LAN"),
-            ("wifi24", "2.4G"),
-            ("wifi5", "5G"),
-        ]):
-            row = StatusTile(label, index * 70)
-            self.rows[key] = row
-            left_layout.addWidget(row)
+        for key, label in [("io", "IO"), ("wan", "WAN"), ("lan", "LAN"), ("wifi24", "2.4G"), ("wifi5", "5G")]:
+            tile = StatusTile(label)
+            self.rows[key] = tile
+            left_layout.addWidget(tile)
         left_layout.addStretch(1)
 
         right = QWidget()
@@ -297,13 +346,13 @@ class TouchPanel(QMainWindow):
         right_layout.setSpacing(8)
 
         header = QHBoxLayout()
-        fan_title = QLabel("Control")
-        fan_title.setObjectName("sectionTitle")
+        heading = QLabel("Dashboard")
+        heading.setObjectName("sectionTitle")
         self.clock = QLabel("--:--:--")
         self.clock.setObjectName("clock")
         self.status_text = QLabel("")
         self.status_text.setObjectName("statusText")
-        header.addWidget(fan_title)
+        header.addWidget(heading)
         header.addStretch(1)
         header.addWidget(self.status_text)
         header.addWidget(self.clock)
@@ -312,21 +361,17 @@ class TouchPanel(QMainWindow):
         metric_grid = QGridLayout()
         metric_grid.setHorizontalSpacing(8)
         metric_grid.setVerticalSpacing(8)
-        for index, (key, title) in enumerate([
-            ("rpm", "팬 RPM"),
-            ("temp", "판단 온도"),
-            ("pwm", "PWM"),
-            ("wan", "WAN"),
-        ]):
+        for index, (key, title) in enumerate([("rpm", "팬 RPM"), ("temp", "CPU 온도"), ("pwm", "PWM"), ("wan", "WAN")]):
             card = MetricCard(title)
             self.metrics[key] = card
-            metric_grid.addWidget(card, index // 4, index % 4)
+            metric_grid.addWidget(card, 0, index)
         right_layout.addLayout(metric_grid)
 
         mode_layout = QHBoxLayout()
-        for mode in ["auto", "manual", "off"]:
-            btn = FanButton(mode)
-            btn.clicked.connect(lambda checked=False, m=mode: self.set_fan(m, self.current_pwm))
+        for mode, label in [("auto", "auto"), ("manual", "manual"), ("off", "off")]:
+            btn = QPushButton(label)
+            btn.setCheckable(True)
+            btn.clicked.connect(lambda checked=False, m=mode: self.set_fan(m))
             self.mode_buttons[mode] = btn
             mode_layout.addWidget(btn)
         right_layout.addLayout(mode_layout)
@@ -340,9 +385,9 @@ class TouchPanel(QMainWindow):
         plus.clicked.connect(lambda: self.step_pwm(10))
         self.slider = QSlider(Qt.Horizontal)
         self.slider.setRange(0, 255)
-        self.slider.setValue(120)
-        self.slider.sliderReleased.connect(lambda: self.set_fan("manual", self.slider.value()))
+        self.slider.setValue(self.current_pwm)
         self.slider.valueChanged.connect(self.slider_changed)
+        self.slider.sliderReleased.connect(lambda: self.set_fan("manual"))
         slider_wrap.addWidget(minus)
         slider_wrap.addWidget(self.slider, 1)
         slider_wrap.addWidget(plus)
@@ -361,186 +406,114 @@ class TouchPanel(QMainWindow):
             chart_grid.addWidget(chart, index // 2, index % 2)
         right_layout.addLayout(chart_grid, 1)
 
-        right_layout.addStretch(1)
-
         layout.addWidget(left)
         layout.addWidget(right, 1)
         self.setCentralWidget(root)
 
+    def sample(self):
+        now = time.monotonic()
+        dt = max(0.001, now - self.last_sample) if self.last_sample else 0.001
+        self.last_sample = now
+
+        temp = cpu_temp()
+        rpm = read_int(self.fan["rpm"])
+        pwm = read_int(self.fan["pwm"])
+        enable = read_int(self.fan["enable"], 2)
+        percent = pwm / 255 * 100 if pwm > 0 else 0
+
+        reads, writes = disk_io()
+        io_activity = self.last_io is not None and (reads, writes) != self.last_io
+        self.last_io = (reads, writes)
+
+        groups = {key: group_stats(names) for key, names in NET_GROUPS.items()}
+        rates = {}
+        activity = {}
+        for key, row in groups.items():
+            previous = self.last_net.get(key)
+            current = (row["rx_bytes"], row["tx_bytes"], row["rx_packets"], row["tx_packets"])
+            activity[key] = previous is not None and current != previous
+            if previous:
+                rates[key] = {
+                    "rx": max(0.0, (current[0] - previous[0]) * 8 / dt / 1_000_000),
+                    "tx": max(0.0, (current[1] - previous[1]) * 8 / dt / 1_000_000),
+                }
+            else:
+                rates[key] = {"rx": 0.0, "tx": 0.0}
+            self.last_net[key] = current
+
+        self.render(temp, rpm, pwm, percent, enable, groups, rates, activity, io_activity)
+
+    def render(self, temp, rpm, pwm, percent, enable, groups, rates, activity, io_activity):
+        self.rows["io"].set_state(f"{temp:.1f} C", temp >= 75, io_activity)
+        self.rows["wan"].set_state(self.iface_detail(groups["wan"]), self.iface_warn(groups["wan"]), activity["wan"])
+        self.rows["lan"].set_state(self.iface_detail(groups["lan"]), self.iface_warn(groups["lan"]), activity["lan"])
+        self.rows["wifi24"].set_state(self.iface_detail(groups["wifi24"]), self.iface_warn(groups["wifi24"]), activity["wifi24"])
+        self.rows["wifi5"].set_state(self.iface_detail(groups["wifi5"]), self.iface_warn(groups["wifi5"]), activity["wifi5"])
+
+        self.metrics["rpm"].set_value(f"{rpm:,}")
+        self.metrics["temp"].set_value(f"{temp:.1f} C")
+        self.metrics["pwm"].set_value(f"{pwm} / {percent:.1f}%")
+        self.metrics["wan"].set_value(f"{rates['wan']['rx']:.2f}/{rates['wan']['tx']:.2f} Mbps")
+
+        self.slider.blockSignals(True)
+        self.slider.setValue(pwm)
+        self.slider.blockSignals(False)
+        self.mode_buttons["off"].setChecked(enable == 0 or pwm == 0)
+        self.mode_buttons["manual"].setChecked(enable == 1 and pwm > 0)
+        self.mode_buttons["auto"].setChecked(enable not in [0, 1])
+
+        self.clock.setText(time.strftime("%H:%M:%S"))
+        self.temp_history.append(temp)
+        self.rpm_history.append(rpm / 100)
+        self.charts["temp"].set_values(self.temp_history, "C / RPMx100", self.rpm_history)
+
+        for key, chart_key in [("wan", "wan"), ("lan", "lan")]:
+            self.net_history[key]["rx"].append(rates[key]["rx"])
+            self.net_history[key]["tx"].append(rates[key]["tx"])
+            self.charts[chart_key].set_values(
+                self.net_history[key]["rx"],
+                f"{rates[key]['rx']:.2f}/{rates[key]['tx']:.2f} Mbps",
+                self.net_history[key]["tx"],
+            )
+        wifi_rx = rates["wifi24"]["rx"] + rates["wifi5"]["rx"]
+        wifi_tx = rates["wifi24"]["tx"] + rates["wifi5"]["tx"]
+        self.net_history["wifi"]["rx"].append(wifi_rx)
+        self.net_history["wifi"]["tx"].append(wifi_tx)
+        self.charts["wifi"].set_values(self.net_history["wifi"]["rx"], f"{wifi_rx:.2f}/{wifi_tx:.2f} Mbps", self.net_history["wifi"]["tx"])
+
+    def set_fan(self, mode):
+        pwm = self.slider.value()
+        ok = True
+        if mode == "off":
+            ok = write_sys(self.fan["enable"], 0) and write_sys(self.fan["pwm"], 0)
+        elif mode == "manual":
+            ok = write_sys(self.fan["enable"], 1) and write_sys(self.fan["pwm"], pwm)
+        elif mode == "auto":
+            ok = write_sys(self.fan["enable"], 2)
+        self.status_text.setText("" if ok else "팬 쓰기 권한 없음")
+
+    def step_pwm(self, delta):
+        self.slider.setValue(max(0, min(255, self.slider.value() + delta)))
+        self.set_fan("manual")
+
+    def slider_changed(self, value):
+        self.current_pwm = value
+        self.metrics["pwm"].set_value(f"{value} / {value / 255 * 100:.1f}%")
+
     def tick_pulses(self):
         for row in self.rows.values():
             row.tick()
 
-    def slider_changed(self, value):
-        self.current_pwm = value
-        if "pwm" in self.metrics:
-            self.metrics["pwm"].set_value(f"{value} / {value / 255 * 100:.1f}%")
-
-    def set_fan(self, mode, pwm):
-        if self.start_bridge("fan", "fan", mode, pwm):
-            self.status_text.setText("팬 변경 중")
-
-    def step_pwm(self, delta):
-        value = max(0, min(255, self.slider.value() + delta))
-        self.slider.setValue(value)
-        self.set_fan("manual", value)
-
-    def refresh(self):
-        self.start_bridge("status", "status")
-
-    def start_bridge(self, action, *args):
-        if self.bridge_busy:
-            return False
-        self.bridge_busy = True
-        self.worker_thread = QThread(self)
-        self.worker = BridgeWorker(action, args)
-        self.worker.moveToThread(self.worker_thread)
-        self.worker_thread.started.connect(self.worker.run)
-        self.worker.finished.connect(self.bridge_done)
-        self.worker.failed.connect(self.bridge_failed)
-        self.worker.finished.connect(self.worker_thread.quit)
-        self.worker.failed.connect(self.worker_thread.quit)
-        self.worker.finished.connect(self.worker.deleteLater)
-        self.worker.failed.connect(self.worker.deleteLater)
-        self.worker_thread.finished.connect(self.worker_thread.deleteLater)
-        self.worker_thread.finished.connect(self.bridge_finished)
-        self.worker_thread.start()
-        return True
-
-    def bridge_done(self, action, data):
-        self.snapshot = data
-        self.status_text.setText("팬 변경 완료" if action == "fan" else "")
-        self.render()
-
-    def bridge_failed(self, action, message):
-        del action
-        self.status_text.setText("통신 오류")
-        self.rows["io"].update_state(False, "snapshot 실패", True)
-        print(message, file=sys.stderr)
-
-    def bridge_finished(self):
-        self.bridge_busy = False
-        self.worker_thread = None
-        self.worker = None
-
-    def render(self):
-        data = self.snapshot
-        fan = data.get("fan", {})
-        system = data.get("system", {})
-        network = data.get("network", {})
-        wifi = data.get("wifi", {})
-        touch = data.get("touch_display", {})
-        io = data.get("io", {})
-        history = data.get("history", [])
-        network_history = data.get("network_history", [])
-
-        interfaces = {row.get("name"): row for row in network.get("interfaces", [])}
-        clients = wifi.get("clients", [])
-        wifi24 = [c for c in clients if c.get("band") == "2.4G"]
-        wifi5 = [c for c in clients if c.get("band") == "5G"]
-        lan_clients = [c for c in clients if c.get("band") == "LAN"]
-
-        temp = float(system.get("temp_c") or 0)
-        rpm = int(fan.get("rpm") or 0)
-        pwm = int(fan.get("pwm") or 0)
-        mode = str(fan.get("mode") or "auto")
-        wan = interfaces.get(network.get("default_interface") or "eth0", {})
-        lan = interfaces.get("br0") or interfaces.get("eth1") or {}
-        w24 = interfaces.get("wlan0") or {}
-        w5 = interfaces.get("wlan1") or {}
-
-        io_active = bool(touch.get("connected")) and bool(fan.get("policy_ok", True)) and self.counter_activity(
-            "io",
-            int(io.get("reads") or 0),
-            int(io.get("writes") or 0),
-        )
-        io_detail = f"{temp:.1f} C"
-        self.rows["io"].update_state(io_active, io_detail, temp >= 75)
-        self.rows["wan"].update_state(self.iface_activity("wan", wan), self.iface_detail(wan), self.iface_warn(wan))
-        self.rows["lan"].update_state(self.iface_activity("lan", lan), f"{len(lan_clients)}대 {self.iface_detail(lan)}", self.iface_warn(lan))
-        self.rows["wifi24"].update_state(self.iface_activity("wifi24", w24), f"{len(wifi24)}대 {self.iface_detail(w24)}", self.iface_warn(w24))
-        self.rows["wifi5"].update_state(self.iface_activity("wifi5", w5), f"{len(wifi5)}대 {self.iface_detail(w5)}", self.iface_warn(w5))
-
-        self.current_mode = mode
-        self.current_pwm = pwm
-        control_temp = float(fan.get("control_temp_c") or temp)
-        self.metrics["rpm"].set_value(f"{rpm:,}")
-        self.metrics["temp"].set_value(f"{control_temp:.1f} C")
-        self.metrics["pwm"].set_value(f"{pwm} / {float(fan.get('percent') or 0):.1f}%")
-        self.metrics["wan"].set_value(self.traffic_caption(wan))
-        self.slider.blockSignals(True)
-        self.slider.setValue(pwm)
-        self.slider.blockSignals(False)
-        for key, btn in self.mode_buttons.items():
-            btn.setChecked(key == mode)
-        self.clock.setText(str(data.get("generated_at", "--:--:--")).split(" ")[-1])
-        self.update_charts(history, network_history, network.get("default_interface") or "eth0")
-
-    def iface_activity(self, key, row):
-        if not self.iface_up(row):
-            self.last_counters[key] = None
-            return False
-        return self.counter_activity(
-            key,
-            int(row.get("rx_bytes") or 0),
-            int(row.get("tx_bytes") or 0),
-            int(row.get("rx_packets") or 0),
-            int(row.get("tx_packets") or 0),
-        )
-
-    def counter_activity(self, key, *values):
-        current = tuple(values)
-        previous = self.last_counters.get(key)
-        self.last_counters[key] = current
-        return previous is not None and current != previous
-
-    def update_charts(self, history, network_history, wan_iface):
-        temps = [row.get("temp_c") for row in history if isinstance(row, dict)]
-        rpms = [float(row.get("fan_rpm") or 0) / 100 for row in history if isinstance(row, dict)]
-        self.charts["temp"].set_values(temps, "C / RPMx100", rpms)
-
-        wan_rows = self.iface_history(network_history, [wan_iface])
-        lan_rows = self.iface_history(network_history, ["br0", "eth1"])
-        wifi_rows = self.iface_history(network_history, ["wlan0", "wlan1"])
-        self.set_traffic_chart("wan", wan_rows)
-        self.set_traffic_chart("lan", lan_rows)
-        self.set_traffic_chart("wifi", wifi_rows)
-
-    def set_traffic_chart(self, key, rows):
-        rx = [float(row.get("rx_mbps") or 0) for row in rows]
-        tx = [float(row.get("tx_mbps") or 0) for row in rows]
-        latest_rx = rx[-1] if rx else 0
-        latest_tx = tx[-1] if tx else 0
-        self.charts[key].set_values(rx, f"{latest_rx:.2f}/{latest_tx:.2f} Mbps", tx)
-
     @staticmethod
-    def iface_history(rows, names):
-        names = set(names)
-        return [row for row in rows if isinstance(row, dict) and row.get("iface") in names]
-
-    @staticmethod
-    def iface_up(row):
-        return row.get("state") == "up" and row.get("carrier") == "up"
+    def iface_detail(row):
+        if not row["carrier"]:
+            return "down"
+        drops = row["rx_dropped"] + row["tx_dropped"]
+        return f"up D{drops}"
 
     @staticmethod
     def iface_warn(row):
-        return int(row.get("rx_errors") or 0) > 0 or int(row.get("tx_errors") or 0) > 0
-
-    @staticmethod
-    def iface_detail(row):
-        if not row:
-            return "없음"
-        rx_drop = int(row.get("rx_dropped") or 0)
-        tx_drop = int(row.get("tx_dropped") or 0)
-        return f"{row.get('state', '-')} D{rx_drop + tx_drop}"
-
-    @staticmethod
-    def traffic_caption(row):
-        if not row:
-            return "-"
-        rx = int(row.get("rx_bytes") or 0)
-        tx = int(row.get("tx_bytes") or 0)
-        return f"{rx / 1024 / 1024:.0f}/{tx / 1024 / 1024:.0f}MB"
+        return row["rx_errors"] > 0 or row["tx_errors"] > 0
 
 
 def main():
@@ -549,7 +522,6 @@ def main():
     app.setStyleSheet(
         """
         QWidget { background: #0b1220; color: #e5edf7; font-family: "Noto Sans CJK KR", "Noto Sans CJK KR Regular", "Noto Sans KR", sans-serif; }
-        #panel { background: #111a2e; border: 1px solid #27364f; border-radius: 16px; }
         #statusPanel { background: #101827; border-right: 1px solid #263650; }
         #sectionTitle { font-size: 20px; font-weight: 700; }
         #statusTile { background: #d7d9dc; border: 2px groove #f4f4f4; border-radius: 2px; }