Bugs item #3061895, was opened at 2010-09-08 11:04
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: tls_blocking_write() in tls_server.c problem
Initial Comment:
tls_blocking_write() polls for both POLLOUT and POLLIN at the same time.
Normally, socket is ready for write all the time. It causes poll() at line 765
returned immediately.
When using t_relay("tls:xxx") in script, I always get "too many retries with no
operation" error message because poll() function returns immediately.
I read the OpenSSL doc http://www.openssl.org/docs/ssl/SSL_connect.html and
http://www.openssl.org/docs/ssl/SSL_get_error.html#item_SSL_ERROR_WANT_READ.
When SSL_connect(), SSL_read(), or SSL_write() return SSL_ERROR_WANT_READ,
tls_blocking_write() should poll for POLLIN only. And when they return
SSL_ERROR_WANT_WRITE, tls_blocking_write() should poll for POLLOUT only.
I think this bug also makes CPU usage to be 100% while looping.
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