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Hash : eb86c8c5
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Date : 2010-04-12T22:24:54
Add evbuffer_copyout to copy data from an evbuffer without draining The evbuffer_remove() function copies data from the front of an evbuffer into an array of char, and removes the data from the buffer. This function behaves the same, but does not remove the data. This behavior can be handy for lots of protocols, where you want the evbuffer to accumulate data until a complete record has arrived. Lots of people have asked for a function more or less like this, and though it isn't too hard to code one from evbuffer_peek(), it is apparently annoying to do it in every app you write. The evbuffer_peek() function is significantly faster, but it requires that the user be able to handle data in separate extents. This patch also reimplements evbufer_remove() as evbuffer_copyout() followed by evbuffer_drain(). I am reasonably confident that this won't be a performance hit: the memcpy() overhead should dominate the cost of walking the list an extra time.
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Files
- .gitignore
- ChangeLog
- Doxyfile
- LICENSE
- Makefile.am
- Makefile.nmake
- README
- WIN32-Code/
- arc4random.c
- autogen.sh
- buffer.c
- buffer_iocp.c
- bufferevent-internal.h
- bufferevent.c
- bufferevent_async.c
- bufferevent_filter.c
- bufferevent_openssl.c
- bufferevent_pair.c
- bufferevent_ratelim.c
- bufferevent_sock.c
- changelist-internal.h
- compat/
- configure.in
- defer-internal.h
- devpoll.c
- epoll.c
- epoll_sub.c
- evbuffer-internal.h
- evdns.3
- evdns.c
- evdns.h
- event-internal.h
- event.3
- event.c
- event.h
- event_iocp.c
- event_rpcgen.py
- event_tagging.c
- evhttp.h
- evmap-internal.h
- evmap.c
- evport.c
- evrpc-internal.h
- evrpc.c
- evrpc.h
- evsignal-internal.h
- evthread-internal.h
- evthread.c
- evthread_pthread.c
- evthread_win32.c
- evutil.c
- evutil.h
- evutil_rand.c
- ht-internal.h
- http-internal.h
- http.c
- include/
- iocp-internal.h
- ipv6-internal.h
- kqueue.c
- libevent.pc.in
- listener.c
- log-internal.h
- log.c
- m4/
- minheap-internal.h
- missing
- mkinstalldirs
- mm-internal.h
- poll.c
- ratelim-internal.h
- sample/
- select.c
- signal.c
- stamp-h.in
- strlcpy-internal.h
- strlcpy.c
- test/
- util-internal.h
- whatsnew-2.0.txt
- win32select.c
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Properties
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README
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0. BUILDING AND INSTALLATION (Briefly) $ ./configure $ make $ make verify # (optional) $ sudo make install 1. BUILDING AND INSTALLATION (In Depth) To build libevent, type $ ./configure && make (If you got libevent from the git repository, you will first need to run the included "autogen.sh" script in order to generate the configure script.) Install as root via # make install You can run the regression tests by running $ make verify Before, reporting any problems, please run the regression tests. To enable the low-level tracing build the library as: CFLAGS=-DUSE_DEBUG ./configure [...] Standard configure flags should work. In particular, see: --disable-shared Only build static libraries --prefix Install all files relative to this directory. The configure script also supports the following flags: --enable-gcc-warnings Enable extra compiler checking with GCC. --disable-malloc-replacement Don't let applications replace our memory management functions --disable-openssl Disable support for OpenSSL encryption. --disable-thread-support Don't support multithreaded environments. 2. USEFUL LINKS: For the latest released version of Libevent, see the official website at http://monkey.org/~provos/libevent/ . There's a pretty good work-in-progress manual up at http://www.wangafu.net/~nickm/libevent-book/ . For the latest development versions of Libevent, access our Git repository via "git clone git://levent.git.sourceforge.net/gitroot/levent/libevent" You can browse the git repository online at http://levent.git.sourceforge.net/git/gitweb-index.cgi . To report bugs, request features, or submit patches to Libevent, use the Sourceforge trackers at https://sourceforge.net/tracker/?group_id=50884 . There's also a libevent-users mailing list for talking about Libevent use and development: http://archives.seul.org/libevent/users/ 3. ACKNOWLEDGMENTS The following people have helped with suggestions, ideas, code or fixing bugs: Alejo Weston Andros Adamson William Ahern Stas Bekman Ka-Hing Cheung Andrew Danforth Christopher Davis Mike Davis Shie Erlich Alexander von Gernler Artur Grabowski Aaron Hopkins Tani Hosokawa Claudio Jeker Valery Kyholodov Marko Kreen Scott Lamb Adam Langley Christopher Layne Philip Lewis David Libenzi Moshe Litvin Hagne Mahre Lubomir Marinov Nick Mathewson James Mansion Andrey Matveev Caitlin Mercer Trond Norbye Richard Nyberg Jon Oberheide Phil Oleson Dave Pacheco Tassilo von Parseval Pierre Phaneuf Ryan Phillips Jon Poland Bert JW Regeer Hanna Schroeter Kevin Springborn Ferenc Szalai Dug Song Zack Weinberg Taral propanbutan mmadia If we have forgotten your name, please contact us.