Android - SimpleRT needs working WiFi connection once after reboot about webpagetest.agent HOT 10 OPEN

All of my devices are also connected to WiFi to trigger anything that may look for it (or cell) to think the OS has connectivity. I leave them connected 100% of the time and the SimpleRT tunneling takes over the default route so nothing actually goes over WiFi (and the SimpleRT device check makes sure the tun interface is up so in a failure mode it won't accept tests).

FWIW, if I can get tethering to work on iOS it is going to have the same issue. The VPN interface on iOS refuses to start if it doesn't have an active network connection.

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Great, thanks for the tip, we will try that. Another issue we're facing is that the simpleRT process blocks the wptagent execution:

12:55:23.809 - Default interface: eth0
RTNETLINK answers: File exists
RTNETLINK answers: No such file or directory
12:55:24.006 - adb devices
12:55:24.022 - List of devices attached
ce07171763ceac840d    device


12:55:24.133 - adb shell am force-stop com.viper.simplert
12:55:24.764 - Starting simple-rt bridge process
Running agent, hit Ctrl+C to exit
12:55:24.772 - adb shell input keyevent 25
starting network
configuring:
local interface: eth0
virtual interface: tun0
network: 10.1.1.0
address: 10.1.1.1
netmask: 24
nameserver: 8.8.8.8
tun0 interface configured!
SimpleRT started!
12:55:25.644 - adb shell su -c service call notification 1
12:55:25.700 - adb shell dumpsys package com.samsung.android.MtpApplication | grep versionName
12:55:25.795 -     versionName=1.0

12:55:25.797 - adb shell am force-stop com.samsung.android.MtpApplication
12:55:26.449 - adb shell dumpsys package com.google.android.apps.docs | grep versionName
12:55:26.536 -     versionName=2.7.063.14.46

12:55:26.538 - adb shell am force-stop com.google.android.apps.docs
12:55:27.174 - adb shell dumpsys package com.motorola.ccc.ota | grep versionName
12:55:27.256 - adb shell rm -rf /sdcard/Download/* /sdcard/Backucup /sdcard/UCDownloads /data/local/tmp/tcpdump.cap /data/local/tmp/wpt_video.mp4
12:55:27.343 - adb shell su -c rm -rf /data/media/0/Download/* /data/media/0/Backucup /data/media/0/UCDownloads
12:55:27.597 - Android 7.0 (7.00)
12:55:27.770 - {'temp': 27.6, 'level': 100}
12:55:27.837 - adb shell su -c setprop sys.usb.config adb
12:55:27.887 - adb wait-for-device

Only after we disconnect/reconnect the device or restart adb USB mode via adb usb, SimpleRT continues:

Kernel driver is not active!
Device supports AOA 2.0!
Sending identification to the device
 sending manufacturer: Konstantin Menyaev
 sending model: SimpleRT
 sending description: Simple Reverse Tethering
 sending version: 1.0
 sending url: https://github.com/vvviperrr/SimpleRT
 sending serial number: 10.1.1.2,8.8.8.8
 sending command: start accessory
Accessory was inited successfully!
Found accessory 18d1:2d01
accessory connected!

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:-/

FWIW, I run the SimpleRT tunnel in a separate process so the agent doesn't have to manage it. I have a tunnel.sh that is started in parallel with the agent:

#!/bin/bash
while :
do
  cd /home/pmeenan/wptagent/simple-rt/arm
  sudo ./simple-rt -i eth0 -n 192.168.0.1
  sleep 1
done

Longer term after I get tethering working on iOS (hopefully) I may replace SimpleRT with cleaner VPN and "adb reverse" which will hopefully help avoid some issues I have from time to time where the SimpleRT host Pi's go unresponsive.

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Okay, thanks. We'll try some stuff and report any quirks/workarounds to avoid the issue :)

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This commit should solve the second issue that sburnicki described. With that commit, reverse tethering will be configured for all devices that are connected when SimpleRT starts up. So there is no longer any need to diconnect/reconnect the device.

I based my fork on Eugenes fork of SimpleRT because it looks like the original author of SimpleRT vvviperrr hasn't been active on Github for the last few months and didn't accept the last pull request. So the newest commits are now on Eugenes fork.

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I added a comment here to talk about the downside of my commit. (Additional unwanted terminal output)

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@fsobanski thank you for contributing.
@sburnicki try my fork. Probably I solved all issues regarding connection without wifi and adjust app to 7+ android os version.

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@eugene-sevostianov-sc @fsobanski Any chance either of you have pre-built APK's of the latest? The readme links still point to vvviperrr's. If not I'll see about installing the SDK's to get a build done.

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I may also mod the server-side code if it doesn't handle the case yet but currently it keeps incrementing the IP address assigned even when assigning to the same device. It would be nice to have it re-assign the same IP to the same serial number if possible.

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@pmeenan This
app-debug.apk.tar.gz is an APK build from the head of my fork. I built it by following vvviperrr's readme instructions.

If you are considering to use the server-side code of my fork, please also look at my comment to this pull request

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