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ec347b92
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2010-07-07T16:45:03
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Move event-config.h to include/event2
This change means that all required include files are in event2, and
all files not in event2/* are optional.
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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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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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4faeaea9
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2010-02-19T03:39:50
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Clean up formatting: function/keyword spacing consistency.
- Keywords always have a space before a paren. Functions never do.
- No more than 3 blank lines in a row.
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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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8fdf09c0
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2010-02-18T17:08:50
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Clean up formatting: Disallow space-before-tab.
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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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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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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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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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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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a62283a9
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2009-07-17T17:46:17
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Always hold a reference to a bufferevent when calling its callbacks.
Rationale: we hold a lock on the bufferevent when its callbacks are
executing, so we need to release the lock afterwards. But the
callback might free the bufferevent, so unless we're holding a
reference on the bufferevent, the lock might not be there for us to
release.
svn:r1347
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5232cfa3
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2009-05-25T23:11:20
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Consistently say "eventcb" instead of "errorcb"
svn:r1316
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34574db0
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2009-05-25T23:10:23
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Add a generic mechanism to implement timeouts in bufferevents.
Paired and asynchronous bufferevents didn't do timeouts, and filtering
bufferevents gave them funny semantics. Now they all should all work
in a way consistent with what socket bufferevents do now: a [read/write]
timeout triggers if [reading/writing] is enabled, and if the timeout is
set, and the right amount of time passes without any data getting
[added to the input buffer/drained from the output buffer].
svn:r1314
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0b22ca19
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2009-05-22T19:11:48
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Use ev_ssize_t in place of ssize_t *everywhere*.
svn:r1309
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31d89f27
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2009-05-13T20:37:21
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Add a "ctrl" mechanism to bufferevents for property access.
OpenSSL uses something like this to implement get/set access for
properties on its BIOs, so that it doesn't need to add a pair of
get/set functions to the vtable struct for every new abstract property
it provides an accessor for.
Doing this lets us make bufferevent_setfd abstract, and implement an
abstract bufferevent_getfd.
svn:r1284
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5a3eddf0
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2009-05-02T16:24:05
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Use fewer _compat.h headers in our own code.
svn:r1268
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eda27f95
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2009-04-19T20:54:12
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Update copyright notices, add some missing license statements
svn:r1208
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a98a512b
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2009-04-17T23:12:34
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Add a generic way for any bufferevent to make its callback deferred
svn:r1197
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a8f6d961
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2009-04-17T06:56:09
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Actually stop using EVBUFFER_LENGTH/DATA, and move them to buffer_compat.h
svn:r1183
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915193e7
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2009-04-13T03:17:19
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Locking support for bufferevents.
svn:r1170
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1becc4c4
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2009-04-13T03:08:11
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Refactor new elements of bufferevent into bufferevent_private structure
This way we don't expose more of a bufferevent than we need to. One
motivation is to make it easier to automatically get deferred callbacks
with a bufferevent without exposing the deferred_cb structure.
svn:r1169
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23085c92
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2009-04-10T15:01:31
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Add a linked-pair abstraction to bufferevents.
The new bufferevent_pair abstraction works like a set of buferevent_sockets
connected by a socketpair, except that it doesn't require a socketpair,
and therefore doesn't need to get the kernel involved.
It's also a good way to make sure that deferred callbacks work. It's a good
use case for deferred callbacks: before I implemented them, the recursive
relationship between the evbuffer callback and the read callback would
make the unit tests overflow the stack.
svn:r1152
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f1b1bad4
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2009-04-03T14:27:03
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Make the new evbuffer callbacks use a new struct-based interface.
The old interface would fail pretty hard when we had to batch up
multiple adds and drains in a single call.
svn:r1131
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ac36f404
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2009-02-11T05:17:27
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oops; coding too quickly on nil-filter patch. Caught by niels.
svn:r1115
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20f809ce
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2009-02-10T19:39:12
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Make default (nil) filter use evbuffer_remove_buffer to respect the high-water mark of the target buffer.
svn:r1109
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3502a472
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2009-02-02T21:24:04
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convert new bufferevent_*.c files to event-config.h only.
svn:r1097
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ea4b8724
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2009-02-02T19:22:13
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checkpoint work on big bufferevent refactoring
svn:r1095
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