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flashing: allow for different power off detection mechanisms
Allows for the selection of either ethernet carrier or serial output to detect DUT power off Change-type: minor Signed-off-by: Ryan Cooke <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import { Autokit } from '../../'; | ||
| import { exec } from 'mz/child_process'; | ||
| import { delay } from 'bluebird'; | ||
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| const TIMEOUT_COUNT = Number(process.env.POWER_OFF_TIMEOUT) || 30 | ||
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| /** | ||
| * Checks whether the DUT is powered using Ethernet carrier detection | ||
| **/ | ||
| async function checkDutPower(autoKit:Autokit) { | ||
| const [stdout, _stderr] = await exec(`cat /sys/class/net/${autoKit.network.wiredIface}/carrier`); | ||
| const file = stdout.toString(); | ||
| if (file.includes('1')) { | ||
| console.log(`DUT is currently On`); | ||
| return true; | ||
| } else { | ||
| console.log(`DUT is currently Off`); | ||
| return false; | ||
| } | ||
| } | ||
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| export async function waitForPowerOffEthernet(autoKit:Autokit):Promise<void>{ | ||
| // dut will now internally flash - need to wait until we detect DUT has powered off | ||
| // FOR NOW: use the network | ||
| // check if the DUT is on first | ||
| let dutOn = false; | ||
| while (!dutOn) { | ||
| console.log(`waiting for DUT to be on`); | ||
| dutOn = await checkDutPower(autoKit); | ||
| await delay(1000 * 5); // 5 seconds between checks | ||
| } | ||
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| const POLL_INTERVAL = 1000; // 1 second | ||
| const POLL_TRIES = 20; // 20 tries | ||
| let attempt = 0; | ||
| await delay(1000 * 60); | ||
| while (dutOn) { | ||
| await delay(1000 * 10); // 10 seconds between checks | ||
| console.log(`waiting for DUT to be off`); | ||
| dutOn = await checkDutPower(autoKit); | ||
| // occasionally the DUT might appear to be powered down, but it isn't - we want to confirm that the DUT has stayed off for an interval of time | ||
| if (!dutOn) { | ||
| let offCount = 0; | ||
| console.log(`detected DUT has powered off - confirming...`); | ||
| for (let tries = 0; tries < POLL_TRIES; tries++) { | ||
| await delay(POLL_INTERVAL); | ||
| dutOn = await checkDutPower(autoKit); | ||
| if (!dutOn) { | ||
| offCount += 1; | ||
| } | ||
| } | ||
| console.log( | ||
| `DUT stayed off for ${offCount} checks, expected: ${POLL_TRIES}`, | ||
| ); | ||
| if (offCount !== POLL_TRIES) { | ||
| // if the DUT didn't stay off, then we must try the loop again | ||
| dutOn = true; | ||
| } | ||
| } | ||
| attempt += 1; | ||
| if (attempt === TIMEOUT_COUNT){ | ||
| await autoKit.power.off(); | ||
| throw new Error(`Timed out while trying to flash internal storage!!. Powered off DUT.`) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import { Autokit } from "../.."; | ||
| import { waitForPowerOffEthernet } from "./ethernet"; | ||
| import { waitForPowerOffSerial } from "./serial"; | ||
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| const powerOffSelector = process.env.POWER_OFF_SELECTOR || 'ethernet' | ||
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| const powerOffFunctions: {[key: string]: (autoKit: Autokit) => Promise<void> } = { | ||
| ethernet: waitForPowerOffEthernet, | ||
| serial: waitForPowerOffSerial, | ||
| }; | ||
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| const waitForPowerOff = powerOffFunctions[powerOffSelector]; | ||
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| export { waitForPowerOff } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import { Autokit } from '../../'; | ||
| import { ReadlineParser } from '@serialport/parser-readline'; | ||
| import { Readable } from 'serialport'; | ||
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| const powerOffMessage = process.env.POWER_OFF_MESSAGE || 'reboot: Power down' | ||
| const timeout = Number(process.env.POWER_OFF_TIMEOUT) || 1000*60*5; | ||
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| /** | ||
| * Checks whether the DUT has powered down by checking for a serial message | ||
| **/ | ||
| export async function waitForPowerOffSerial(autoKit:Autokit):Promise<void> { | ||
| const serialport = await autoKit.serial.open(); | ||
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| if(serialport !== undefined){ | ||
| return new Promise<void>((resolve, reject) => { | ||
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| let timer = setTimeout(async () => { | ||
| await autoKit.serial.close(); | ||
| reject(`Timed out while waiting for power down message over serial!`); | ||
| }, timeout) | ||
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| // Examine each line of the serial output from the DUT as it comes in | ||
| const parser = serialport.pipe(new ReadlineParser({ delimiter: '\n' })); | ||
| parser.on('data', async(data:string) => { | ||
| console.log(`Serial line: ${data.toString()}`); | ||
| if(data.toString().includes(powerOffMessage)){ | ||
| console.log(`### Detected power off message ###`) | ||
| await autoKit.power.off(); | ||
| await autoKit.serial.close(); | ||
| clearTimeout(timer); | ||
| resolve(); | ||
| } | ||
| }) | ||
| }) | ||
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| } | ||
| } |
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