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pixelflut: Ignore EAGAIN errors

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Very contested servers are likely to cause EAGAIN socket errors on the
client. Since these errors are not supposed to be fatal, just try
sending the pixel again.

This was tested successfully against massively contested 37c3 pixelflut
servers.
This commit is contained in:
kleines Filmröllchen 2023-12-30 01:52:07 +01:00 • committed by Andrew Kaster
parent ca2be5c51b
commit fdfd4b5e3d
Notes: sideshowbarker 2024-07-17 17:38:29 +09:00
1 changed files with 6 additions and 1 deletions
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7
Userland/Utilities/pixelflut.cpp
View file

@ -118,7 +118,12 @@ ErrorOr<void> Client::send_current_pixel()
auto hex_without_hash = hex.substring(1);
// PX <x> <y> <hex color>
TRY(m_socket->write_formatted("PX {} {} {}\n", m_current_point.x() + m_image_offset.x(), m_current_point.y() + m_image_offset.y(), hex_without_hash));
while (true) {
auto result = m_socket->write_formatted("PX {} {} {}\n", m_current_point.x() + m_image_offset.x(), m_current_point.y() + m_image_offset.y(), hex_without_hash);
// Very contested servers will cause frequent EAGAIN errors.
if (!result.is_error() || result.error().code() != EAGAIN)
break;
}
return {};
}