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fetchurl: add 'ignore_failures' option

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This option is useful in cases where batching is configured and
failing to fetch a resource should not influence the over-all
result.

Issue genodelabs/genodians.org#32.
This commit is contained in:
Josef Söntgen 2023-11-28 16:12:55 +01:00 committed by Norman Feske
parent 4685ba394e
commit 9d989b1557
2 changed files with 13 additions and 1 deletions
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6
repos/libports/src/app/fetchurl/README
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@ -8,6 +8,12 @@ for a given amount of time, the transfer will be aborted. The duration can be
set by setting the 'progress_timeout' attribute in the '<config>' node. It is set by setting the 'progress_timeout' attribute in the '<config>' node. It is
specified in milliseconds and the default value is 10 seconds. specified in milliseconds and the default value is 10 seconds.
The 'ignore_failures' attribute instructs the component to always report
success (via exit-code 0). It is useful when batching is used where a
failed fetch operation should not influence the over-all result. The default
value is 'false'.
The following config snippets illustrate its usage. The following config snippets illustrate its usage.
Load the socket plugin in to the fetchurl binary (print output to log): Load the socket plugin in to the fetchurl binary (print output to log):

8
repos/libports/src/app/fetchurl/component.cc
View File

@ -115,6 +115,8 @@ struct Fetchurl::Main
Genode::Milliseconds _progress_timeout { 10u * 1000 }; Genode::Milliseconds _progress_timeout { 10u * 1000 };
bool _ignore_result { false };
void _schedule_report() void _schedule_report()
{ {
using namespace Genode; using namespace Genode;
@ -189,6 +191,9 @@ struct Fetchurl::Main
}; };
config_node.for_each_sub_node("fetch", parse_fn); config_node.for_each_sub_node("fetch", parse_fn);
_ignore_result = config_node.attribute_value("ignore_failures",
_ignore_result);
} }
Main(Libc::Env &e) : _env(e) Main(Libc::Env &e) : _env(e)
@ -332,7 +337,8 @@ struct Fetchurl::Main
curl_easy_cleanup(curl); curl_easy_cleanup(curl);
return exit_res ^ CURLE_OK; int const result = exit_res ^ CURLE_OK;
return _ignore_result ? 0 : result;
} }
}; };