feat: 添加低流量保活

2026-06-27 09:16:25 +08:00
parent 5d7ca83162
commit d8ef61adec
4 changed files with 216 additions and 1 deletions
@@ -119,6 +119,9 @@
            <div class="bento-control__actions">
              <button class="button button--secondary button--compact" id="mobileDataToggle" type="button"
                data-action="disable">强制关闭流量</button>
+              <button class="button button--primary button--compact is-hidden" id="mobileDataConsume"
+                type="button">消耗一点流量</button>
+              <span class="form-status mobile-data-traffic-hint" id="mobileDataTrafficHint">开启流量后才会显示消耗流量按钮。</span>
              <p class="form-status mobile-data-status" id="mobileDataStatus" role="status"></p>
            </div>
          </article>
@@ -1,6 +1,8 @@
 const state = {
  busy: false,
  mobileDataBusy: false,
+  trafficBusy: false,
+  currentMobileData: null,
  pushChannels: [],
  selectedPushChannel: -1,
  pushLoaded: false
@@ -39,6 +41,8 @@ const elements = {
  mobileDataState: document.querySelector('#mobileDataState'),
  mobileDataHint: document.querySelector('#mobileDataHint'),
  mobileDataToggle: document.querySelector('#mobileDataToggle'),
+  mobileDataConsume: document.querySelector('#mobileDataConsume'),
+  mobileDataTrafficHint: document.querySelector('#mobileDataTrafficHint'),
  mobileDataStatus: document.querySelector('#mobileDataStatus'),
  moduleModel: document.querySelector('#moduleModel'),
  moduleVersion: document.querySelector('#moduleVersion'),
@@ -180,6 +184,7 @@ function formatMobileDataContexts(contexts = []) {
 }

 function renderMobileData(mobileData = {}) {
+  state.currentMobileData = mobileData;
  const unknown = mobileData.status === 'unknown';
  const enabled = Boolean(mobileData.enabled || mobileData.anyActive);
  const cid = mobileData.cid || 1;
@@ -193,21 +198,30 @@ function renderMobileData(mobileData = {}) {
    setText(elements.mobileDataHint, mobileData.error || (isMipcall ? '未能确认应用层拨号状态，可先强制断开。' : '未能确认移动数据状态，可先强制关闭。'));
    elements.mobileDataToggle.textContent = isMipcall ? '强制断开拨号' : '强制关闭流量';
    elements.mobileDataToggle.dataset.action = 'disable';
+    elements.mobileDataConsume.classList.add('is-hidden');
+    elements.mobileDataTrafficHint.classList.remove('is-hidden');
+    elements.mobileDataTrafficHint.textContent = '状态确认后，开启流量才会显示消耗流量按钮。';
  } else if (enabled) {
    setText(elements.mobileDataSummary, isMipcall ? '已连接' : '已开启');
    setText(elements.mobileDataState, isMipcall ? '应用拨号已连接' : '流量已开启');
    setText(elements.mobileDataHint, activeContexts ? `${mode} 检测到 ${activeContexts} 处于活动状态。` : `CID ${cid} 处于活动状态。`);
    elements.mobileDataToggle.textContent = isMipcall ? '断开拨号' : '关闭流量';
    elements.mobileDataToggle.dataset.action = 'disable';
+    elements.mobileDataConsume.classList.remove('is-hidden');
+    elements.mobileDataTrafficHint.classList.add('is-hidden');
  } else {
    setText(elements.mobileDataSummary, isMipcall ? '已断开' : '已关闭');
    setText(elements.mobileDataState, isMipcall ? '应用拨号已断开' : '流量已关闭');
    setText(elements.mobileDataHint, isMipcall ? `${mode} CID ${cid} 未建立应用层拨号连接；已保护性尝试停用PDP。` : `${mode} CID ${cid} 未建立移动数据连接，重启后也会先保持关闭。`);
    elements.mobileDataToggle.textContent = isMipcall ? '开启拨号' : '开启流量';
    elements.mobileDataToggle.dataset.action = 'enable';
+    elements.mobileDataConsume.classList.add('is-hidden');
+    elements.mobileDataTrafficHint.classList.remove('is-hidden');
+    elements.mobileDataTrafficHint.textContent = isMipcall ? '先开启拨号后，才可以执行一次MPING消耗少量流量。' : '先开启流量后，才可以执行一次MPING消耗少量流量。';
  }

  elements.mobileDataToggle.disabled = state.mobileDataBusy;
+  elements.mobileDataConsume.disabled = state.mobileDataBusy || state.trafficBusy || !enabled;
 }

 function renderStatus(status, info) {
@@ -681,7 +695,34 @@ async function toggleMobileData() {
    setStatusMessage(elements.mobileDataStatus, err.message, 'error');
  } finally {
    state.mobileDataBusy = false;
-    elements.mobileDataToggle.disabled = false;
+    renderMobileData(state.currentMobileData || {});
+  }
+}
+
+async function consumeMobileDataTraffic() {
+  if (state.mobileDataBusy || state.trafficBusy) {
+    return;
+  }
+
+  state.trafficBusy = true;
+  elements.mobileDataToggle.disabled = true;
+  elements.mobileDataConsume.disabled = true;
+  setStatusMessage(elements.mobileDataStatus, '正在执行MPING，会消耗少量流量...');
+
+  try {
+    const result = await requestJSON('/api/modem/mobile-data/consume', {
+      method: 'POST',
+      body: JSON.stringify({ target: '8.8.8.8' })
+    });
+    renderMobileData(result.data?.mobileData || state.currentMobileData || {});
+    const pingMessage = result.data?.ping?.message || result.message || '已完成流量消耗测试。';
+    setStatusMessage(elements.mobileDataStatus, pingMessage, 'success');
+    await refreshLogs();
+  } catch (err) {
+    setStatusMessage(elements.mobileDataStatus, err.message, 'error');
+  } finally {
+    state.trafficBusy = false;
+    renderMobileData(state.currentMobileData || {});
  }
 }

@@ -787,6 +828,7 @@ elements.pushTestButton.addEventListener('click', testPushChannel);
 elements.pushChannelForm.elements.type.addEventListener('change', handlePushTypeChange);
 elements.refreshButton.addEventListener('click', refreshAll);
 elements.mobileDataToggle.addEventListener('click', toggleMobileData);
+elements.mobileDataConsume.addEventListener('click', consumeMobileDataTraffic);
 elements.logsButton.addEventListener('click', refreshLogs);
 elements.messagesButton.addEventListener('click', refreshMessages);
 elements.smsForm.addEventListener('submit', sendSMS);
@@ -514,6 +514,32 @@ class APIServer {
      }
    });

+    // 通过模组执行一次MPING，消耗少量流量验证连通性
+    this.app.post('/api/modem/mobile-data/consume', async (req, res) => {
+      try {
+        const ping = await this.modem.consumeMobileDataTraffic({
+          target: req.body?.target || '8.8.8.8'
+        });
+        const mobileData = await this.modem.getMobileDataStatus();
+
+        res.json({
+          success: true,
+          message: '已消耗少量流量完成连通性测试',
+          data: {
+            ping,
+            mobileData
+          }
+        });
+      } catch (err) {
+        logger.error('流量消耗测试失败:', err);
+        res.status(err.statusCode || 500).json({
+          success: false,
+          error: err.message,
+          data: err.data || null
+        });
+      }
+    });
+
    // 发送AT命令
    this.app.post('/api/modem/at', async (req, res) => {
      try {
@@ -668,6 +668,150 @@ class ModemManager extends EventEmitter {
    }
  }

+  async consumeMobileDataTraffic(options = {}) {
+    const target = this.normalizePingTarget(options.target || '8.8.8.8');
+    const status = await this.getMobileDataStatus();
+
+    if (status.status === 'unknown') {
+      const err = new Error(status.error || '未能确认移动数据状态，无法执行流量消耗测试');
+      err.statusCode = 503;
+      throw err;
+    }
+
+    if (!status.anyActive) {
+      const err = new Error('当前未开启流量，请先开启后再执行流量消耗测试');
+      err.statusCode = 409;
+      throw err;
+    }
+
+    return await this.runMPing(target, {
+      timeout: options.timeout || 35000,
+      pingTimeoutSeconds: options.pingTimeoutSeconds || 30,
+      count: options.count || 1
+    });
+  }
+
+  normalizePingTarget(value) {
+    const target = String(value || '').trim();
+    if (!target || !/^[A-Za-z0-9.:-]{1,253}$/.test(target)) {
+      throw new Error('Ping目标地址无效');
+    }
+
+    return target;
+  }
+
+  runMPing(target, options = {}) {
+    if (!this.port || !this.port.isOpen) {
+      throw new Error('串口未打开');
+    }
+
+    const timeout = options.timeout || 35000;
+    const pingTimeoutSeconds = Math.min(Math.max(Number(options.pingTimeoutSeconds) || 30, 1), 255);
+    const count = Math.min(Math.max(Number(options.count) || 1, 1), 10);
+    const command = `AT+MPING="${target}",${pingTimeoutSeconds},${count}`;
+
+    logger.info(`准备通过模组执行MPING，目标: ${target}`);
+
+    return new Promise((resolve, reject) => {
+      const lines = [];
+      let settled = false;
+      let commandAccepted = false;
+
+      const finish = (err, result = null) => {
+        if (settled) {
+          return;
+        }
+
+        settled = true;
+        clearTimeout(timer);
+        this.parser.removeListener('data', handler);
+
+        if (err) {
+          reject(err);
+        } else {
+          resolve(result);
+        }
+      };
+
+      const timer = setTimeout(() => {
+        finish(new Error(`MPING超时，未收到结果: ${target}`));
+      }, timeout);
+
+      const handler = (line) => {
+        const trimmed = String(line).trim();
+        if (!trimmed) {
+          return;
+        }
+
+        lines.push(trimmed);
+
+        if (trimmed === 'OK') {
+          commandAccepted = true;
+          return;
+        }
+
+        if (trimmed.includes('ERROR')) {
+          finish(new Error(`MPING命令失败: ${this.formatATResponse(lines.join('\n'))}`));
+          return;
+        }
+
+        if (trimmed.startsWith('+MPING:')) {
+          const result = this.parseMPingResult(trimmed, target);
+          result.commandAccepted = commandAccepted;
+          result.rawResponse = lines.join('\n');
+
+          if (result.success) {
+            logger.info(`✓ ${result.message}`);
+            finish(null, result);
+          } else {
+            const err = new Error(result.message);
+            err.statusCode = 502;
+            err.data = result;
+            finish(err);
+          }
+        }
+      };
+
+      this.parser.on('data', handler);
+
+      logger.debug(`>> ${command}`);
+      this.port.write(`${command}\r\n`, (err) => {
+        if (err) {
+          finish(err);
+        }
+      });
+    });
+  }
+
+  parseMPingResult(line, target) {
+    const payload = line.slice('+MPING:'.length).trim();
+    const params = payload.match(/"[^"]*"|[^,]+/g)?.map(item => {
+      const value = item.trim();
+      return value.startsWith('"') && value.endsWith('"') ? value.slice(1, -1) : value;
+    }) || [];
+    const resultCode = Number.parseInt(params[0], 10);
+    const responseTarget = params[1] || target;
+    const packetLength = Number.parseInt(params[2], 10);
+    const latencyMs = Number.parseInt(params[3], 10);
+    const ttl = Number.parseInt(params[4], 10);
+    const hasReplyFields = params.length >= 4;
+    const success = (resultCode === 0 || resultCode === 1) && hasReplyFields;
+    const message = success
+      ? `MPING成功: ${responseTarget}, 延迟 ${Number.isFinite(latencyMs) ? `${latencyMs}ms` : '未知'}, TTL ${Number.isFinite(ttl) ? ttl : '未知'}`
+      : `MPING失败或目标不可达，错误码: ${Number.isFinite(resultCode) ? resultCode : payload}`;
+
+    return {
+      success,
+      target: responseTarget,
+      resultCode: Number.isFinite(resultCode) ? resultCode : null,
+      packetLength: Number.isFinite(packetLength) ? packetLength : null,
+      latencyMs: Number.isFinite(latencyMs) ? latencyMs : null,
+      ttl: Number.isFinite(ttl) ? ttl : null,
+      message,
+      rawLine: line
+    };
+  }
+
  async waitForMobileDataState(enabled, timeout = 10000) {
    const startedAt = Date.now();
    let status = await this.getMobileDataStatus();