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codegen: Support chrono literal timeout by ProxyGenerator

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Allow to use human readable chrono literals to specify method call
timeout. The change is backward compatbile - if no unit is provided,
the fallback is "us".

Example:
<annotation name="org.freedesktop.DBus.Method.Timeout" value="500ms"/>
This commit is contained in:
Lukasz Marcul
2021-11-13 14:59:25 +01:00
committed by Stanislav Angelovič
parent b01db13ff7
commit 442670ec18
2 changed files with 35 additions and 1 deletions
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21
docs/using-sdbus-c++.md
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@@ -1156,6 +1156,27 @@ So in the specific example above, the stub generator will generate a `Concatenat
For a real example of a client-side asynchronous D-Bus method, please look at sdbus-c++ [stress tests](/tests/stresstests).
## Method call timeout
Annotate the element with `org.freedesktop.DBus.Method.Timeout` in order to specify the timeout value for the method call. The value should be a number of microseconds or number with duration literal (`us`/`ms`/`s`/`min`). Optionally combine it with `org.freedesktop.DBus.Method.Async`.
```xml
<?xml version="1.0" encoding="UTF-8"?>
<node>
<interface name="org.bluez.Device1">
<method name="Connect">
<annotation name="org.freedesktop.DBus.Method.Async" value="client"/>
<annotation name="org.freedesktop.DBus.Method.Timeout" value="3000ms"/>
</method>
<method name="Disconnect">
<annotation name="org.freedesktop.DBus.Method.Async" value="client"/>
<annotation name="org.freedesktop.DBus.Method.Timeout" value="2000000"/> <!-- 2000000us -->
</method>
</interface>
</node>
```
Using D-Bus properties
----------------------