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44 Commits

Author SHA1 Message Date
Nick Mathewson
8a99083f01 Add an evbuffer_search_range() to search a bounded range of a buffer 
This can be handy when you have	one search to find the end of a	header
section, and then you want to find a substring within the header
section without looking at the body.

svn:r1410
 2009-08-07 17:16:52 +00:00
Nick Mathewson
d41347722a Refactor evbuffer_readln() into a search-for-eol function and an extract-line function. 
svn:r1404
 2009-07-31 17:35:42 +00:00
Nick Mathewson
0b4ab12251 Spell-check the the headers 
svn:r1320
 2009-05-28 15:47:15 +00:00
Nick Mathewson
3f0e49283b small doc fix. 
svn:r1319
 2009-05-27 23:48:59 +00:00
Nick Mathewson
0b22ca1929 Use ev_ssize_t in place of ssize_t *everywhere*. 
svn:r1309
 2009-05-22 19:11:48 +00:00
Nick Mathewson
8997f234f2 Use the native "struct iovec" as our "struct evbuffer_iovec" when available, so we do not need to copy more pointers than necessary. 
svn:r1299
 2009-05-21 20:59:00 +00:00
Nick Mathewson
23243b8a98 Replace reserve/commit with new iovec-based interface. Add a new evbuffer_peek. 
svn:r1296
 2009-05-19 21:39:35 +00:00
Nick Mathewson
dc4c7b9570 Change the interface of evbuffer_add_reference: give the cleanup function more info. 
svn:r1294
 2009-05-15 22:44:18 +00:00
Nick Mathewson
bba69e03f8 New semantics for evbuffer_cb_set_flags(). 
Previously, set_flags() would replace all previous user-visible flags.
Now it just sets the flags, and there is a clear_flags() function to
clear other flags.

svn:r1293
 2009-05-15 20:23:59 +00:00
Nick Mathewson
27fef1ef26 Note problems with some newer evbuffer interfaces. 
svn:r1286
 2009-05-14 18:06:41 +00:00
Nick Mathewson
b2e8fd0e41 Apparently MSVC lacks a ssize_t. Define an ev_ssize_t for headers, and make ssize_t work elsewhere. 
svn:r1261
 2009-04-30 23:56:53 +00:00
Nick Mathewson
4935413842 Oh hey. There is no support for suspend/unsuspend. 
svn:r1187
 2009-04-17 06:57:13 +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
Nick Mathewson
93d4f884aa Make buffer iocp stuff compile happily 
svn:r1174
 2009-04-14 20:11:10 +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
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
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
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
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
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
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
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
Nick Mathewson
f446f1493a Small cleanups to buffer.h documentation. 
svn:r992
 2009-01-12 20:42:06 +00:00
Nick Mathewson
6bf1ca780c r19675@catbus: nickm | 2008-05-11 20:39:39 -0400 
Stop pretending that u_char and u_short are standard types that win32 is dumb not to have.  In fact, u_char can really just be spelled out, and u_short was usually just a bad way of saying ev_uint16_t.


svn:r808
 2008-05-12 00:40:04 +00:00
Nick Mathewson
8acb80b4f9 r15551@tombo: nickm | 2008-05-08 14:49:20 -0400 
Use _get_ convention for new accessor functions.  (These are all new ones as of 2.0, I believe).


svn:r799
 2008-05-08 22:51:39 +00:00
Niels Provos
f04497e493 introduce evbuffer_reserve_space() and evbuffer_commit_space() to make processing in filters more efficient 
svn:r757
 2008-05-03 03:05:28 +00:00
Niels Provos
becc89b778 introduce evbuffer_contiguous_space() and use it in the zlib filter test 
svn:r756
 2008-05-03 02:37:18 +00:00
Nick Mathewson
beb39f5770 r15218@tombo: nickm | 2008-04-17 15:10:13 -0400 
Add a missing #include <stdarg.h>


svn:r715
 2008-04-17 19:16:30 +00:00
Nick Mathewson
0c843507ab r19301@catbus: nickm | 2008-04-10 14:54:46 -0400 
Forward-port: Correct the documentation on evbuffer_add_[v]printf: Fix for bug 1914464.


svn:r705
 2008-04-10 19:25:11 +00:00
Nick Mathewson
0322ce0a3b r18486@catbus: nickm | 2008-02-28 13:35:53 -0500 
Make offsetof into evutil_offsetof.  Be a little more willing to call evbuffer_chain_align() from evbuffer_expand().  Clarify some docs, and add some XXX comments to note questionable areas.


svn:r677
 2008-02-28 18:36:03 +00:00
Niels Provos
5c70ea4c9d improved code for evbuffer; avoids memcpy 
svn:r674
 2008-02-28 02:47:43 +00:00