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111 Commits

Author SHA1 Message Date
pjd
db793cba89 When logging to stdout/stderr, flush after each log. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:26:55 +00:00
pjd
ae9ec59c50 Correct when we log interrupted synchronization. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:20:32 +00:00
pjd
e55034b622 Check if no signals were delivered just before going to sleep. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:49:06 +00:00
pjd
bd949b7dfc Add hooks execution. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:48:12 +00:00
pjd
4b6cfc055c Document new 'exec' parameter. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:20:31 +00:00
pjd
74741a8c60 Allow to execute specified program on various HAST events. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:16:52 +00:00
pjd
aeab5efe07 - Run hooks in background - don't block waiting for them to finish. 
- Keep all hooks we're running in a global list, so we can report when
  they finish and also report when they are running for too long.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:38:12 +00:00
pjd
dd3961e615 When logging to stdout/stderr don't close those descriptors after fork(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:35:39 +00:00
pjd
ac5c9c9216 Reduce indent where possible. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:28:39 +00:00
pjd
ead19aaef1 Implement keepalive mechanism inside HAST protocol so we can detect secondary 
node failures quickly for HAST resources that are rarely modified.

Remove XXX from a comment now that the guard thread never sleeps infinitely.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:26:37 +00:00
pjd
8729a28322 - Remove redundant and incorrect 'old' word from debug message. 
- Log disconnects as warnings.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:12:53 +00:00
pjd
0a7a46d1e3 Don't increase number synchronized bytes in case of an error. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:10:25 +00:00
pjd
a3721f8d1b Log that synchronization was interrupted in a proper place. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:08:10 +00:00
pjd
b51d684000 We have sync_start() function to start synchronization, introduce sync_stop() 
function to stop it.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:06:00 +00:00
pjd
79f0171a3e Add QUEUE_INSERT() and QUEUE_TAKE() macros that simplify the code a bit. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:01:28 +00:00
pjd
ef9c1a15b4 Add mtx_owned() implementation. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:58:38 +00:00
pjd
29f3bd82d2 Make comment more readable. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:54:17 +00:00
pjd
395a43623f For some setups sending data in 128kB chunks makes communication very slow. No 
idea why. 32kB on the other hand seems to work properly everywhere.

Reported by:	Thomas Steen Rasmussen <thomas@gibfest.dk>
MFC after:	3 weeks
 2010-08-18 12:09:27 +00:00
pjd
46021d25fa The 'size' variable is there to limit how many bytes we want to copy from 
'addr'. It is very likely that size of 'addr' is larger than 'size', so checking
strlcpy() return value is bogus.

MFC after:	3 weeks
 2010-08-16 21:59:56 +00:00
joel
dd1fff9bcb Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while 
translating these manual pages.  Minor corrections by me.

Submitted by:	Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>
 2010-08-16 15:18:30 +00:00
pjd
d71ba1ed02 Document 'none' value for remote. 
Reviewed by:	dougb
MFC after:	1 month
 2010-08-05 19:54:57 +00:00
pjd
7a18b662f1 Implement configuration reload on SIGHUP. This includes: 
- Load added resources.
- Stop and forget removed resources.
- Update modified resources in least intrusive way, ie. don't touch
  /dev/hast/<name> unless path to local component or provider name were
  modified.

Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
MFC after:	1 month
 2010-08-05 19:16:31 +00:00
pjd
7bbad9d8f8 Prepare configuration parsing code to be called multiple times: 
- Don't exit on errors if not requested.
- Don't keep configuration in global variable, but allocate memory for
  configuration.
- Call yyrestart() before yyparse() so that on error in configuration file
  we will start from the begining next time and not from the place we left of.

MFC after:	1 month
 2010-08-05 19:08:54 +00:00
pjd
31021ec9f1 Make control_set_role() more public. We will need it soon. 
MFC after:	1 month
 2010-08-05 19:04:29 +00:00
pjd
64f20fee87 Allow to use 'none' keywork as remote address in case second cluster node 
is not setup yet.

MFC after:	1 month
 2010-08-05 19:01:57 +00:00
pjd
25464151ef Reset signal handlers after fork(). 
MFC after:	1 month
 2010-08-05 18:58:00 +00:00
pjd
ed23731ef1 - Use pjdlog_exitx() to log errors and exit instead of errx(). 
- Use 'unable to' (instead of 'cannot') consistently.

MFC after:	1 month
 2010-08-05 18:56:24 +00:00
pjd
8f25a1f569 Assert that various buffers we are large enough. 
MFC after:	1 month
 2010-08-05 18:27:41 +00:00
pjd
ca14b5deab Problem with assertion is that it logs on stderr. Add two macros: 
PJDLOG_ASSERT() and PJDLOG_VERIFY() that will check the given condition
and log the problem where appropriate. The difference between those
two is that PJDLOG_VERIFY() always work and PJDLOG_ASSERT() can be
turned off by defining NDEBUG.

MFC after:	1 month
 2010-08-05 18:26:38 +00:00
pjd
dd50434feb Keep $FreeBSD$ in __FBSDID() only for C files. 
MFC after:	1 month
 2010-08-05 18:23:43 +00:00
pjd
5df4a855e5 Mark two more places that we won't reach. 
MFC after:	1 month
 2010-08-05 18:21:45 +00:00
pjd
d222eba6ff Now that TCP will be checked last we don't need any knowledge about other 
protocols.

MFC after:	1 month
 2010-08-05 17:57:59 +00:00
pjd
d808f64f39 Add an argument to the proto_register() function which allows protocol to 
declare it is the default and be placed at the end of the queue so it is
checked last.

MFC after:	1 month
 2010-08-05 17:56:41 +00:00
joel
be2c32910f Spelling fixes. 2010-07-31 21:09:49 +00:00
pjd
3f34a9652f Actually, only the fullsync mode is implemented, not memsync mode. 
Correct manual page.

MFC after:	3 days
 2010-07-22 08:30:14 +00:00
pjd
30cb3140ef Correct various log messages. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-06-14 21:46:48 +00:00
pjd
235822ad57 Fix typos. 
MFC after:	3 days
 2010-06-14 21:44:58 +00:00
pjd
05cedac6b7 Initialize gctl_seq for synchronization requests. 
Reported by:	hiroshi@soupacific.com
Analysed by:	Mikolaj Golub <to.my.trociny@gmail.com>
Tested by:	hiroshi@soupacific.com, Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-06-14 21:44:20 +00:00
pjd
8a3620394e Plug memory leak. 
Found by:	Coverity Prevent
CID:		7057
MFC after:	3 days
 2010-06-14 21:41:22 +00:00
pjd
4d60221630 Plug memory leak. 
Found by:	Coverity Prevent
CID:		7056
MFC after:	3 days
 2010-06-14 21:37:25 +00:00
pjd
d5bb9ec5ff Plug memory leak. 
Found by:	Coverity Prevent
CID:		7051
MFC after:	3 days
 2010-06-14 21:33:18 +00:00
pjd
ccd077e269 Plug memory leaks. 
Found by:	Coverity Prevent
CID:		7052, 7053, 7054, 7055
MFC after:	3 days
 2010-06-14 21:25:20 +00:00
pjd
7824be8be0 Remove macros that are not really needed. The idea was to have them in case 
we grow more descriptors, but I'll reconsider readding them once we get there.

Passing (a = b) expression to FD_ISSET() is bad idea, as FD_ISSET() evaluates
its argument twice.

Found by:	Coverity Prevent
CID:		5243
MFC after:	3 days
 2010-06-14 21:18:58 +00:00
pjd
e6a1cebf1a Eliminate dead code. 
Found by:	Coverity Prevent
CID:		5158
MFC after:	3 days
 2010-06-14 21:01:13 +00:00
uqs
64c451d29e mdoc: move remaining sections into consistent order 
This pertains mostly to FILES, HISTORY, EXIT STATUS and AUTHORS sections.

Found by:	mdocml lint run
Reviewed by:	ru
 2010-05-13 12:08:11 +00:00
pjd
1f717ed2d0 Default connection timeout is way too long. To make it shorter we have to 
make socket non-blocking, connect() and if we get EINPROGRESS, we have to
wait using select(). Very complex, but I know no other way to define
connection timeout for a given socket.

Reported by:	hiroshi@soupacific.com
MFC after:	3 days
 2010-04-29 21:55:20 +00:00
pjd
db164aeb15 - Check if the worker process was killed by signal and restart it. 
- Improve logging.

Pointed out by:	Garrett Cooper <yanefbsd@gmail.com>
MFC after:	3 days
 2010-04-29 15:42:24 +00:00
pjd
0dcf2ac7ad Fix a problem where hastd will stuck in recv(2) after sending request to 
secondary, which died between send(2) and recv(2). Do it by adding timeout
to recv(2) for primary incoming and outgoing sockets and secondary outgoing
socket.

Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
Tested by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-04-29 15:36:32 +00:00
pjd
b9745c56c3 Restart worker thread only if the problem was temporary. 
In case of persistent problem we don't want to loop forever.

MFC after:	3 days
 2010-04-28 22:41:06 +00:00
pjd
0b8041abdd Mark temporary issues as such. 
MFC after:	3 days
 2010-04-28 22:39:47 +00:00