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517 Commits

Author SHA1 Message Date
Nick Mathewson
4935413842 Oh hey. There is no support for suspend/unsuspend. 
svn:r1187
 2009-04-17 06:57:13 +00:00
Nick Mathewson
7fa8451d7e Add a configure flag to hardcode all of our mm functions. 
svn:r1186
 2009-04-17 06:56:57 +00:00
Nick Mathewson
a8f6d961eb Actually stop using EVBUFFER_LENGTH/DATA, and move them to buffer_compat.h 
svn:r1183
 2009-04-17 06:56:09 +00:00
Nick Mathewson
796ba15fc6 Stop claiming that APIs we have are missing. 
svn:r1182
 2009-04-17 06:55:25 +00:00
Nick Mathewson
838d0a81c3 Document many internal functions and pieces of code. 
svn:r1181
 2009-04-17 06:55:08 +00:00
Niels Provos
30648529e8 have evhttp_set_cb return an int; -1 on failure, 0 on success; this is better than returning a pointer 
svn:r1179
 2009-04-17 01:03:07 +00:00
Nick Mathewson
93d4f884aa Make buffer iocp stuff compile happily 
svn:r1174
 2009-04-14 20:11:10 +00:00
Nick Mathewson
915193e7df Locking support for bufferevents. 
svn:r1170
 2009-04-13 03:17:19 +00:00
Nick Mathewson
1becc4c4e6 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
 2009-04-13 03:08:11 +00:00
Nick Mathewson
6567ecd4c5 Remove if0 code in bufferevent_struct.h 
svn:r1168
 2009-04-13 03:07:37 +00:00
Niels Provos
d2794e65e0 document evhttp_parse_query better 
svn:r1157
 2009-04-11 15:26:29 +00:00
Nick Mathewson
b29b875d84 Facility to make evbuffers get their callbacks deferred. 
svn:r1154
 2009-04-10 20:43:08 +00:00
Nick Mathewson
decdacfaf8 Better explanation for bufferevent_pair 
svn:r1153
 2009-04-10 20:42:53 +00:00
Nick Mathewson
23085c9247 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
 2009-04-10 15:01:31 +00:00
Nick Mathewson
747331d164 Add freeze support to evbuffers. 
From the documentation:
   Prevent calls that modify an evbuffer from succeeding. A buffer may
   frozen at the front, at the back, or at both the front and the back.

   If the front of a buffer is frozen, operations that drain data from
   the front of the buffer, or that prepend data to the buffer, will
   fail until it is unfrozen.   If the back a buffer is frozen, operations
   that append data from the buffer will fail until it is unfrozen.

We'll use this to ensure correctness on an evbuffer when we're waiting
for an overlapped IO call to finish.

svn:r1143
 2009-04-08 03:04:39 +00:00
Nick Mathewson
d2e9caa6fc Fix evdns_cancel to alert callback and free associated RAM. 
Also, we add a test to make sure evdns_cancel is working properly.

svn:r1139
 2009-04-06 20:38:19 +00:00
Nick Mathewson
60e0d59b33 Add locking to evbuffers. 
svn:r1134
 2009-04-05 02:44:17 +00:00
Nick Mathewson
f1b1bad415 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
 2009-04-03 14:27:03 +00:00
Nick Mathewson
f90500a5df Add a new improved search function. 
The old evbuffer_find didn't allow iterative searching, and forced us
to repack the buffer completely every time we searched in it.  The
new evbuffer_search addresses both of these.  As a side-effect, the
evbuffer_find implementation is now a little more efficient.

svn:r1130
 2009-04-03 01:21:36 +00:00
Niels Provos
994e85781c correct evbuffer_drain documentation from John Khvatov 
svn:r1127
 2009-03-30 17:36:22 +00:00
Nick Mathewson
ec35eb5520 Make threading functions global, like the mm_ functions. Use the libevent_pthread.la library in regress_pthread. 
svn:r1121
 2009-02-12 22:19:54 +00:00
Nick Mathewson
77c80b8dcf New bind-to option to allow DNS clients to bind to arbitrary ports for their outgoing addresses. 
svn:r1119
 2009-02-11 17:24:11 +00:00
Nick Mathewson
acaf65c359 Make evutil_parse_sockaddr_port give a useful socket-length output. 
svn:r1118
 2009-02-11 17:23:32 +00:00
Nick Mathewson
c7b2f8fdc9 New function to abstract SO_REUSEADDR. 
svn:r1102
 2009-02-10 19:38:05 +00:00
Nick Mathewson
4d92e4261b forward-port: Make evdns_resolve_reverse args const. 
svn:r1096
 2009-02-02 19:22:27 +00:00
Nick Mathewson
ea4b8724c0 checkpoint work on big bufferevent refactoring 
svn:r1095
 2009-02-02 19:22:13 +00:00
Nick Mathewson
8d3a10f8f1 Support temporarily suspending an evbuffer callback. This is different from disabling the callback, since we want to process changes, but not just yet. 
svn:r1091
 2009-02-01 01:43:58 +00:00
Nick Mathewson
2e50658d8d Fix a typo in buffer.h 
svn:r1089
 2009-02-01 01:07:33 +00:00
Niels Provos
66b2a7ffb7 test evbuffer_add_reference 
svn:r1068
 2009-01-29 03:20:40 +00:00
Nick Mathewson
b85b710cf5 Update copyright statements to reflect the facts that: 
a) this is 2009
b) niels and nick have been comaintainers for a while
c) saying "all rights reserved" when you then go on to explicitly
   disclaim some rights is sheer cargo-cultism.

svn:r1065
 2009-01-27 22:34:36 +00:00
Nick Mathewson
9993137cbb Remove all trailing whitespace in all the source files. 
svn:r1063
 2009-01-27 21:10:31 +00:00
Niels Provos
fdf694933c sendfile/mmap and memory reference implementation for evbuffers 
svn:r1057
 2009-01-27 06:05:38 +00:00
Niels Provos
b93e505452 second argument to evbuffer_pullup should be ssize_t 
svn:r1056
 2009-01-27 05:33:39 +00:00
Nick Mathewson
c0712b1608 Initial documentation for evdns server functions. Also deprecate the one that didn't take an event_base. 
svn:r1054
 2009-01-26 17:29:45 +00:00
Nick Mathewson
bdbd5e0e2f For every deprecated function, explain why it is deprecated and what you should call instead. 
svn:r1052
 2009-01-26 17:09:37 +00:00
Nick Mathewson
52a75f18e1 Documentation (or more accurate documentation) for a few more functions. 
svn:r1051
 2009-01-26 17:09:22 +00:00
Nick Mathewson
dddd58ba13 Reformat util.h slightly so that it looks ok with 8-char tabs. 
svn:r1050
 2009-01-26 17:09:09 +00:00
Niels Provos
765ff1b9de really install the buffer_compat.h file 
svn:r1048
 2009-01-24 17:38:27 +00:00
Nick Mathewson
81dd04a726 Add a "flags" field to evbuffer callbacks. 
For now, there is just one: enabled.  This lets us avoid lots of
mallocs/frees/tailq-manipulations just to turn a callback on and off.
The revised bufferevent code wants this.

svn:r1047
 2009-01-23 18:04:34 +00:00
Nick Mathewson
de7f7a84a3 Remove in_callbacks check: allow full recursion in evbuffer callbacks. If you get yourself in an infinite loop, that's not our fault. Note this in the docs. Also reindent some docs now that my tabs match Niels's. 
svn:r1046
 2009-01-23 18:03:45 +00:00
Niels Provos
b1495865aa also install the buffer_compat.h header file 
svn:r1044
 2009-01-23 02:04:41 +00:00
Nick Mathewson
ec2f4cbc09 Move obsolete evbuffer function into include/event2/buffer_compat.h 
svn:r1043
 2009-01-23 01:35:57 +00:00
Nick Mathewson
c735f2b45a Code to allow multiple callbacks per evbuffer. 
svn:r1042
 2009-01-23 01:11:13 +00:00
Nick Mathewson
f20902a290 Remove evperiodic_assign and its related parts: its functionality is subsumed by EV_PERSIST timeouts. 
svn:r1040
 2009-01-22 17:56:15 +00:00
Niels Provos
56ea4687a5 Change the semantics of timeouts in conjunction with EV_PERSIST; timeouts in that case will now repeat until deleted. 
svn:r1032
 2009-01-22 02:33:38 +00:00
Nick Mathewson
309fc7c4ad New functions to provide sane threading callbacks with pthreads and win32 threading implementations. 
svn:r1031
 2009-01-21 07:51:25 +00:00
Nick Mathewson
ec4cfa33c9 Make event_break threadsafe; make notify-thread mechanism a little more generic; let it use pipes where they work. 
svn:r1019
 2009-01-19 01:34:14 +00:00
Nick Mathewson
8278c9be54 Note the one restriction on what you can do with the evbuffers of a bufferevent. 
svn:r1011
 2009-01-14 22:17:46 +00:00
Nick Mathewson
840318196b Make some evbuffer functions const 
svn:r1010
 2009-01-14 22:17:31 +00:00
Nick Mathewson
99db0e7f72 Add a new evbuffer_write_atmost() functino to write no more than a given number of bytes to an fd. 
svn:r993
 2009-01-12 20:42:19 +00:00