bump keepalive to infinity

app-shell/src/usb.ts

@@ -1,5 +1,5 @@
 import { ipcMain, IpcMainInvokeEvent } from 'electron'
-import axios, { AxiosRequestConfig } from 'axios'
+import axios, { AxiosRequestConfig, AxiosError } from 'axios'
 import FormData from 'form-data'
 import fs from 'fs'
 import path from 'path'
@@ -34,19 +34,17 @@ let usbFetchInterval: NodeJS.Timeout
 export function getSerialPortHttpAgent(): SerialPortHttpAgent | undefined {
  return usbHttpAgent
 }
-
 export function createSerialPortHttpAgent(path: string): void {
  const serialPortHttpAgent = new SerialPortHttpAgent({
  maxFreeSockets: 1,
  maxSockets: 1,
  maxTotalSockets: 1,
  keepAlive: true,
- keepAliveMsecs: 10000,
+ keepAliveMsecs: Infinity,
  path,
  logger: usbLog,
  timeout: 100000,
  })
-
  usbHttpAgent = serialPortHttpAgent
 }
 
@@ -63,12 +61,10 @@ function isUsbDeviceOt3(device: UsbDevice): boolean {
  device.vendorId === parseInt(DEFAULT_VENDOR_ID, 16)
  )
 }
-
 async function usbListener(
  _event: IpcMainInvokeEvent,
  config: AxiosRequestConfig
 ): Promise<unknown> {
- try {
  // TODO(bh, 2023-05-03): remove mutation
  let { data } = config
  let formHeaders = {}
@@ -94,21 +90,21 @@ async function usbListener(
  }
 
  const usbHttpAgent = getSerialPortHttpAgent()
-
- const response = await axios.request({
- httpAgent: usbHttpAgent,
- ...config,
- data,
- headers: { ...config.headers, ...formHeaders },
- })
- return {
- data: response.data,
- status: response.status,
- statusText: response.statusText,
- }
+ try {
+ const response = await axios.request({
+ httpAgent: usbHttpAgent,
+ ...config,
+ data,
+ headers: { ...config.headers, ...formHeaders },
+ })
+ return {
+ error: false,
+ data: response.data,
+ status: response.status,
+ statusText: response.statusText,
+ }
  } catch (e) {
- // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- usbLog.debug(`usbListener error ${e?.message ?? 'unknown'}`)
+ console.log(`axios request error ${e?.message ?? 'unknown'}`)
  }
 }