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657d1b6d
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2010-03-13T01:06:57
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Set mem_offset for every bufferevent type
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75018951
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2010-03-13T00:23:06
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Fix a possible double-free bug in SSL bufferevents with CLOSE_ON_FREE
With CLOSE_ON_FREE set, we were telling the BIO to free the bufferevent when
it was closed, and also freeing it ourselves.
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f1bc125e
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2010-03-12T23:00:49
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Improve robustness for refcounting
Document that we do intend to double-decref underlying bufferevents under
some circumstances. Check to make sure that we don't decref past 0.
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17efc1cd
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2010-03-04T01:25:51
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Update all our copyright notices to say "2010"
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d3288293
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2010-02-20T18:44:35
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Provide consistent, tested semantics for bufferevent timeouts
The different bufferevent implementations had different behavior for
their timeouts. Some of them kept re-triggering the timeouts
indefinitely; some disabled the event immediately the first time a
timeout triggered. Some of them made the timeouts only count when
the bufferevent was actively trying to read or write; some did not.
The new behavior is modeled after old socket bufferevents, since
they were here first and their behavior is relatively sane.
Basically, each timeout disables the bufferevent's corresponding
read or write operation when it fires. Timeouts are stopped
whenever we suspend writing or reading, and reset whenever we
unsuspend writing or reading. Calling bufferevent_enable resets a
timeout, as does changing the timeout value.
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e5bbd40a
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2010-02-18T17:41:15
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Clean up formatting: use tabs, not 8-spaces, to indent.
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ff3f6cd4
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2010-01-22T16:14:49
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Check more internal event_add() calls for failure
Most of these should be unable to fail, since adding a timeout
generally always works. Still, it's better not to try to be "too
smart for our own good here."
There are some remaining event_add() calls that I didn't add checks
for; I've marked those with "XXXX" comments.
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ba2945f9
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2010-01-06T17:59:44
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Merge branch 'ratelimit'
Conflicts:
bufferevent_async.c
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2e8eeea3
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2009-12-29T19:50:03
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Fix crash bugs when a bufferevent's eventcb is not set.
In many places throughout the code, we called _bufferevent_run_eventcb
without checking whether the eventcb was actually set. This would
work fine when the bufferevent's callbacks were deferred, but
otherwise the code would segfault. Strangely, we always remembered to
check before calling the _bufferevent_run_{read,write}cb functions.
To prevent similar errors in the future, all of
_buferevent_run_{read,write,event}cb now check to make sure the
callback is actually set before invoking or deferring the callback.
This patch also removes the now-redundant checks for {read,write}cb.
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82743794
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2009-12-24T17:47:14
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Do not make bufferevent_setfd implicitly disable EV_READ and EV_WRITE.
This obviates the need for BEV_SUSPEND_CONNECTING, and good riddance.
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737c9cd8
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2009-11-27T13:16:54
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Rate-limiting for bufferevents; group and individual limits are supported.
The fairness algorithms are not the best, not every bufferevent type
is supported, and some of the locking tricks here are simply absurd.
Still, this code should be a good first step.
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a773df54
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2009-12-18T16:24:41
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Fix a segfault when freeing SSL bufferevents in an unusual order
Have container bufferevents hold a reference to their underlying bufferevents.
(Commit message and minor revisions by nickm.)
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a6adeca7
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2009-12-17T12:38:46
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Fix a segfault when writing a very fragmented evbuffer onto an SSL
Fixes bug 2916328.
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26573d3d
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2009-11-09T19:37:15
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Change an err to a warn in bufferevent_openssl
svn:r1523
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784b8773
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2009-11-06T21:46:57
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We do not work any more without an event-config.h; stop pretending that it is meaningful to check for HAVE_CONFIG_H
svn:r1516
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34f28e08
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2009-11-05T15:57:22
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Fix a few types to use compatible versions
svn:r1501
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516452b7
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2009-10-30T21:08:29
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Keep openssl errors associated with the right bufferevent object.
OpenSSL has a per-thread error stack, and really doesn't like you
leaving errors on the stack. Rather than discard the errors or force
the user to handle them, this patch pulls them off the openssl stack
and puts them on a stack associated with the bufferevent_openssl. If
the user leaves them on the stack then, it won't affect any other
connections.
This bug was found by Roman Puls. Thanks!
svn:r1481
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2e36dbe1
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2009-10-26T20:00:43
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Use EVUTIL_ASSERT() consistently instead of assert.
svn:r1464
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b73ad7bc
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2009-10-21T18:48:22
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Treat the bitwise OR of two enum values as an int.
This makes our interfaces usable from C++, which doesn't believe
you can say "bufferevent_socket_nase(base, -1,
BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS)" but which instead
would demand "static_cast<bufferevent_options>(BEV_OPT_CLOSE_ON_FREE|
BEV_OPT_DEFER_CALLBACKS))" for the last argument.
Diagnosis and patch from Chris Davis.
svn:r1456
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e3fd294a
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2009-10-16T13:19:57
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Spelling fixes in comments and strings.
svn:r1445
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f2282398
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2009-08-14T20:07:35
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New function to put an SSL bufferevent into a renegotiating state.
svn:r1418
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46a61869
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2009-08-14T20:07:17
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Disable whichever struct event we don't want during ssl handshaking.
svn:r1417
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58b0708e
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2009-08-14T20:07:09
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Only send a connected event _after_ we've adjusted the SSL state.
This is important if the callback adjusts it to something else.
svn:r1416
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cf54d74a
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2009-07-30T20:41:41
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More unit tests for Openssl, including initializing with no socket. Up to 75% coverage.
svn:r1399
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7a2a51a3
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2009-07-30T20:41:21
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Add unit tests for SSL session renegotiation.
This tickles the write-blocked-on-read code, and in this case turned
up a bug in it.
svn:r1397
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595f7e38
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2009-07-30T20:41:12
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Always retry SSL_write() with the same number you told it last time.
svn:r1396
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eecefc50
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2009-07-30T20:41:00
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Add a function to extract the SSL object from a bufferevent_openssl.
svn:r1395
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d5a3f1f1
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2009-07-30T20:40:50
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Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag, and explain why.
svn:r1394
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44715517
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2009-07-30T20:40:40
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Use SSL_do_handshake in place of SSL_connect/SSL_accept
svn:r1393
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709c21c4
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2009-07-28T04:03:57
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Bufferevent support for openssl.
This code adds a new Bufferevent type that is only compiled when the
openssl library is present. It supports using an SSL object and an
event alert mechanism, which can either be an fd or an underlying
bufferevent.
There is still more work to do: the unit tests are incomplete, and we
need to support flush and shutdown much better. Sometimes events are
generated needlessly: this will hose performance.
There's a new encrypting proxy in sample/le-proxy.c.
This code has only been tested on OSX, and nowhere else.
svn:r1382
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