Make run-tests.php check for tcp fwrite edge cases - #9242
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When the recipient is busy or the payload is large, fwrite can block or return a value smaller than the length of the stream. workers in run-tests.php communicates over tcp sockets with the manager. https://cirrus-ci.com/task/5315675320221696?logs=tests#L130 showed notices for fwrite/unserialize This is a similar approach to the approach used in https://github.com/phan/phan/blob/v5/src/Phan/LanguageServer/ProtocolStreamWriter.php for the tcp language server writing.
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| /* Wait for up to 10 seconds for the stream to be ready to write again. */ | ||
| $result = stream_select($read_streams, $write_streams, $except_streams, 10); | ||
| if (!$result) { | ||
| echo "ERROR: send_message() stream_select() failed\n"; |
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| echo "ERROR: send_message() stream_select() failed\n"; | |
| fwrite(STDERR, "ERROR: send_message() stream_select() failed\n"); |
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function error(string $message): void
{
echo "ERROR: {$message}\n";
exit(1);
}Nothing else in run-tests.php is printing to STDERR or referencing STDERR yet - starting to do that would introduce an inconsistency with similar error logging.
For anything redirecting to a log file, the existing behavior of printing to stdout seems fine, especially since there's no machine-readable output format for run-tests.php as an option
| } | ||
| $n = @fwrite($stream, substr($data, $bytes_written)); | ||
| if ($n === false) { | ||
| echo "ERROR: send_message() Failed to write chunk after stream_select: " . error_get_last()['message'] . "\n"; |
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| echo "ERROR: send_message() Failed to write chunk after stream_select: " . error_get_last()['message'] . "\n"; | |
| fwrite(STDERR, "ERROR: send_message() Failed to write chunk after stream_select: " . error_get_last()['message'] . "\n"); |
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When the recipient is busy or the payload is large, fwrite can block or return a value smaller than the length of the stream. workers in run-tests.php communicates over tcp sockets with the manager. https://cirrus-ci.com/task/5315675320221696?logs=tests#L130 showed notices for fwrite/unserialize This is a similar approach to the approach used in https://github.com/phan/phan/blob/v5/src/Phan/LanguageServer/ProtocolStreamWriter.php for the tcp language server writing.
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When the recipient is busy or the payload is large, fwrite can block
or return a value smaller than the length of the stream.
workers in run-tests.php communicates over tcp sockets with the manager.
https://cirrus-ci.com/task/5315675320221696?logs=tests#L130
showed notices for fwrite/unserialize
This is a similar approach to that used in
https://github.com/phan/phan/blob/v5/src/Phan/LanguageServer/ProtocolStreamWriter.php
for the tcp language server writing.
Reopening #8023