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gap/linux: correct issue with new Bluez and manufacturer data #121

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merged 3 commits into from
Sep 29, 2022

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This PR updates to use the latest muka/go-bluetooth and then also provides a work-around for muka/go-bluetooth#163

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Hopefully someone else can try this with some different Linux versions before I merge?

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Merging...

@deadprogram deadprogram merged commit 79bbc2e into dev Sep 29, 2022
@deadprogram deadprogram deleted the update-bluez-version branch September 29, 2022 08:49
aykevl added a commit that referenced this pull request Jan 3, 2024
This is a big rewrite to use DBus calls directly instead of going
through go-bluetooth first.

This is a big change, but I believe it is an improvement. While the
go-bluetooth works for many cases, it's a layer in between that I
believe hurts more than it helps. Without it, we can just program
directly against the BlueZ D-Bus API. The end result is about 10% more
code.

With this rewrite, I fixed the following issues:

  * All MapToStruct warnings are gone, like in
    #193.
  * Advertisements can be restarted after they were stopped. Previously
    this resulted in a panic.
  * Looking at the source code of go-bluetooth, it appears that it
    includes devices from a different Bluetooth adapter than the one
    that's currently scanning. This is fixed with the rewrite.
  * Fix a bug in Adapter.AddService where it would only allow adding a
    single service. Multiple services can now be added.
    This was actually the motivating bug that led me down to rewrite the
    whole thing because I couldn't figure out where the bug was in
    go-bluetooth (it's many layers deep).
  * The `WriteEvent` callback in a characteristic now also gets the
    'offset' parameter which wasn't provided by go-bluetooth.

This rewrite also avoids go-bluetooth specific workarounds like
#74 and
#121.

I have tested all examples in the smoketest-linux Makefile target. They
all still work with this rewrite.
aykevl added a commit that referenced this pull request Jan 3, 2024
This is a big rewrite to use DBus calls directly instead of going
through go-bluetooth first.

This is a big change, but I believe it is an improvement. While the
go-bluetooth works for many cases, it's a layer in between that I
believe hurts more than it helps. Without it, we can just program
directly against the BlueZ D-Bus API. The end result is about 10% more
code.

With this rewrite, I fixed the following issues:

  * All MapToStruct warnings are gone, like in
    #193.
  * Advertisements can be restarted after they were stopped. Previously
    this resulted in a panic.
  * Looking at the source code of go-bluetooth, it appears that it
    includes devices from a different Bluetooth adapter than the one
    that's currently scanning. This is fixed with the rewrite.
  * Fix a bug in Adapter.AddService where it would only allow adding a
    single service. Multiple services can now be added.
    This was actually the motivating bug that led me down to rewrite the
    whole thing because I couldn't figure out where the bug was in
    go-bluetooth (it's many layers deep).
  * The `WriteEvent` callback in a characteristic now also gets the
    'offset' parameter which wasn't provided by go-bluetooth.

This rewrite also avoids go-bluetooth specific workarounds like
#74 and
#121.

I have tested all examples in the smoketest-linux Makefile target. They
all still work with this rewrite.
deadprogram pushed a commit that referenced this pull request Jan 3, 2024
This is a big rewrite to use DBus calls directly instead of going
through go-bluetooth first.

This is a big change, but I believe it is an improvement. While the
go-bluetooth works for many cases, it's a layer in between that I
believe hurts more than it helps. Without it, we can just program
directly against the BlueZ D-Bus API. The end result is about 10% more
code.

With this rewrite, I fixed the following issues:

  * All MapToStruct warnings are gone, like in
    #193.
  * Advertisements can be restarted after they were stopped. Previously
    this resulted in a panic.
  * Looking at the source code of go-bluetooth, it appears that it
    includes devices from a different Bluetooth adapter than the one
    that's currently scanning. This is fixed with the rewrite.
  * Fix a bug in Adapter.AddService where it would only allow adding a
    single service. Multiple services can now be added.
    This was actually the motivating bug that led me down to rewrite the
    whole thing because I couldn't figure out where the bug was in
    go-bluetooth (it's many layers deep).
  * The `WriteEvent` callback in a characteristic now also gets the
    'offset' parameter which wasn't provided by go-bluetooth.

This rewrite also avoids go-bluetooth specific workarounds like
#74 and
#121.

I have tested all examples in the smoketest-linux Makefile target. They
all still work with this rewrite.
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