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ping the default gateway to check connectivity #4

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RoguedBear opened this issue Dec 4, 2021 · 0 comments
Closed

ping the default gateway to check connectivity #4

RoguedBear opened this issue Dec 4, 2021 · 0 comments
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bug Something isn't working enhancement New feature or request

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@RoguedBear
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RoguedBear commented Dec 4, 2021 •
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in case the router is a DHCP relay the /sys/class/net/wlo1/operstate still shows up and the computer wakes up even if the main router is down.
Since i want "connection to a network" being if the main router is up, pinging the default gateway seems to be the best option

src: https://stackoverflow.com/a/932187
@RoguedBear RoguedBear added bug Something isn't working enhancement New feature or request labels Dec 4, 2021
RoguedBear added a commit that referenced this issue Dec 7, 2021
@RoguedBear
can change connectivity methods via config
0112f3d 
valid connectivity method options: v2, v3, v2+v3

also resolves #4

## Difference between different connectivity methods:
- v2: default, will work for almost everyone. see's the carrier and operstate values in `/sys/class/net/<device>/` to decide if the device is up or not
- v3: pings the default gateway (or the gateways for wired/wireless devices if specified) to check for connectivity. if ping fails then device is offline
- v2+v3: uses both the methods to check for connectivity. basically an: `v2() and v3()`. aka `and` short-circuiting happens.
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