Method handleProcessClose

src/childBridgeService.ts:512–544

* Called when the child bridge process exits, if Homebridge is not shutting down, it will restart the process * @param code * @param signal

(code: number | null, signal: string | null)

   * @param signal
   */
  private handleProcessClose(code: number | null, signal: string | null): void {
    const isLikelyPluginCrash = code === 1 && signal === null
    this.log.warn(`Child bridge ended (code ${code}, signal ${signal}).${isLikelyPluginCrash
      ? ' The child bridge ended unexpectedly, which is normally due to the plugin not catching its errors properly. Please report this to the plugin developer by clicking on the'
      + ' \'Report An Issue\' option in the plugin menu dropdown from the Homebridge UI. If there are related logs shown above, please include them in your report.'
      : ''}`)

    if (isLikelyPluginCrash) {
      if (this.restartCount < this.maxRestarts) {
        this.bridgeStatus = ChildBridgeStatus.PENDING
        this.restartCount += 1
        const delay = this.restartCount * 10 // first attempt after 10 seconds, second after 20 seconds, etc.
        this.log(`Child bridge will automatically restart in ${delay} seconds (restart attempt ${this.restartCount} of ${this.maxRestarts}).`)
        this.scheduledRestartTimeout = setTimeout(() => {
          this.scheduledRestartTimeout = undefined
          if (!this.shuttingDown && !this.manuallyStopped) {
            this.startChildProcess()
          }
        }, delay * 1000)
      } else {
        this.bridgeStatus = ChildBridgeStatus.DOWN
        this.manuallyStopped = true
        this.log.error(`Child bridge will no longer restart after failing ${this.maxRestarts + 1} times, you will need to manually start this child bridge from the Homebridge UI.`)
      }
      return
    }

    if (!this.shuttingDown) {
      this.bridgeStatus = ChildBridgeStatus.DOWN
      this.restartCount = 0
      this.startChildProcess()
    }
  }

  /**
   * Helper function to send a message to the child process