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302 Commits

Author SHA1 Message Date
Pawel Jakub Dawidek
2964aeb34a Load geom_gate.ko module after parsing arguments. 
MFC after:	3 days
 2010-10-24 15:38:58 +00:00
Pawel Jakub Dawidek
6c71649c5f Use closefrom(2) instead of close(2) in a loop. 
MFC after:	1 week
 2010-10-20 21:10:01 +00:00
Pawel Jakub Dawidek
3f562cce40 Log correct connection when canceling half-open connection. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-10-17 15:47:27 +00:00
Pawel Jakub Dawidek
bb317aa6ea Use one fprintf() instead of two. 
MFC after:	3 days
 2010-10-16 22:50:12 +00:00
Pawel Jakub Dawidek
c0a124e6ce Clear signal mask before executing a hook. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-10-16 22:48:48 +00:00
Pawel Jakub Dawidek
51c63dce86 We can't zero out ggio request, as we have some fields in there we initialize 
once during start-up.

Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-10-08 15:05:39 +00:00
Pawel Jakub Dawidek
022f07b682 We close the event socketpair early in the mainloop to prevent spaming with 
error messages, so when we clean up after child process, we have to check if
the event socketpair is still there.

Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-10-08 15:02:15 +00:00
Pawel Jakub Dawidek
4e47b646bb Clear ggate structures before using them. We don't initialize all the field 
and there can be some garbage from the stack.

MFC after:	1 week
 2010-10-07 18:23:28 +00:00
Pawel Jakub Dawidek
783ee75392 Log error message when we fail to destroy ggate provider. 
MFC after:	3 days
 2010-10-07 18:20:16 +00:00
Pawel Jakub Dawidek
4a88128b01 Start the guard thread first, so we can handle signals from the very begining. 
Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	1 week
 2010-10-07 18:19:02 +00:00
Pawel Jakub Dawidek
b46198a5db Don't close local component on exit as we can hang waiting on g_waitidle. 
I'm unable to reproduce the race described in comment anymore and also the
comment is incorrect - localfd represents local component from configuration
file, eg. /dev/da0 and not HAST provider.

Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	1 week
 2010-10-07 18:16:22 +00:00
Pawel Jakub Dawidek
428ad0a9c4 Decrease report interval to 5 seconds, as this also means we will check for 
signals every 5 seconds and not every 10 seconds as before.

MFC after:	3 days
 2010-10-04 21:44:26 +00:00
Pawel Jakub Dawidek
5f24b330df hook_check() is now only used to report about long-running hooks, so the 
argument is redundant, remove it.

MFC after:	3 days
 2010-10-04 21:43:06 +00:00
Pawel Jakub Dawidek
41013c0b21 We can't mask ignored signal, so install dummy signal hander for SIGCHLD before 
masking it.

This fixes bogus reports about hooks running for too long and other problems
related to garbage-collecting child processes.

Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-10-04 21:41:18 +00:00
Pawel Jakub Dawidek
b71de2e057 Plug memory leak on fork(2) failure. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-09-26 10:39:01 +00:00
Pawel Jakub Dawidek
9dd5a6cb0f Switch to sigprocmask(2) API also in the main process and secondary process. 
This way the primary process inherits signal mask from the main process,
which fixes a race where signal is delivered to the primary process before
configuring signal mask.

Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-09-22 19:08:11 +00:00
Pawel Jakub Dawidek
196abd3518 Assert that descriptor numbers are sane. 
MFC after:	3 days
 2010-09-22 19:05:54 +00:00
Pawel Jakub Dawidek
8b70e6ae9c Fix possible deadlock where worker process sends an event to the main process 
while the main process sends control message to the worker process, but worker
process hasn't started control thread yet, because it waits for reply from the
main process.

The fix is to start the control thread before sending any events.

Reported and fix suggested by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-09-22 19:03:11 +00:00
Pawel Jakub Dawidek
0c24d8e2a1 Fix descriptor leaks: when child exits, we have to close control and event 
socket pairs. We did that only in one case out of three.

MFC after:	3 days
 2010-09-22 18:57:06 +00:00
Pawel Jakub Dawidek
c56cf19ebf If we are unable to receive control message is most likely because the main 
process died. Instead of entering infinite loop, terminate.

MFC after:	3 days
 2010-09-22 18:39:43 +00:00
Pawel Jakub Dawidek
351b9a37a4 Sort includes. 
MFC after:	3 days
 2010-09-22 18:38:02 +00:00
Pawel Jakub Dawidek
e43e02f1a4 Add __dead2 to functions that we know they are going to exit. 
MFC after:	3 days
 2010-09-20 13:23:43 +00:00
Pawel Jakub Dawidek
6d19256b15 Include process PID in log messages. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	2 weeks
 2010-08-31 12:05:13 +00:00
Pawel Jakub Dawidek
8ecdeae9d9 Correct error message. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	2 weeks
 2010-08-31 12:03:29 +00:00
Pawel Jakub Dawidek
71c895eb1f Forgot to add event.c and event.h in r212038. 
Pointed out by:	pluknet <pluknet@gmail.com>
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-31 09:38:43 +00:00
Pawel Jakub Dawidek
852ac373cb Mask only those signals that we want to handle. 
Suggested by:	jilles
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-31 06:22:03 +00:00
Pawel Jakub Dawidek
5bdff860e7 Because it is very hard to make fork(2) from threaded process safe (we are 
limited to async-signal safe functions in the child process), move all hooks
execution to the main (non-threaded) process.

Do it by maintaining connection (socketpair) between child and parent
and sending events from the child to parent, so it can execute the hook.

This is step in right direction for others reasons too. For example there is
one less problem to drop privs in worker processes.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:26:10 +00:00
Pawel Jakub Dawidek
6b276294af We only want to know if descriptors are ready for reading. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:19:21 +00:00
Pawel Jakub Dawidek
eea2deaad0 When someone gives NULL as data, assume this is because he want to declare 
connection side only.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 23:16:45 +00:00
Pawel Jakub Dawidek
6be3a25c85 Use pjdlog_exit() before fork(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 22:28:04 +00:00
Pawel Jakub Dawidek
b938cdcc9b Constify arguments we can constify. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 22:26:42 +00:00
Pawel Jakub Dawidek
5b41e64486 Execute hook when connection between the nodes is established or lost. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:31:30 +00:00
Pawel Jakub Dawidek
2be8fd75ff Execute hook when split-brain is detected. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:12:10 +00:00
Pawel Jakub Dawidek
6d0c801ea9 Use sigtimedwait(2) for signals handling in primary process. 
This fixes various races and eliminates use of pthread* API in signal handler.

Pointed out by:	kib
With help from:	jilles
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-30 00:06:05 +00:00
Pawel Jakub Dawidek
ff6bb1f8b3 - Move functionality responsible for checking one connection to separate 
function to make code more readable.
- Be sure not to reconnect too often in case of signal delivery, etc.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 22:55:21 +00:00
Pawel Jakub Dawidek
ee087cdf97 Disconnect after logging errors. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 22:17:53 +00:00
Pawel Jakub Dawidek
a870e771b9 - Call hook on role change. 
- Document new event.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:42:45 +00:00
Pawel Jakub Dawidek
ecc99c890e Allow to run hooks from the main hastd process. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:41:53 +00:00
Pawel Jakub Dawidek
25ec2e3e2b - Add hook_fini() which should be called after fork() from the main hastd 
process, once it start to use hooks.
- Add hook_check_one() in case the caller expects different child processes
  and once it can recognize it, it will pass pid and status to hook_check_one().

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:39:49 +00:00
Pawel Jakub Dawidek
572cdb2216 Implement mtx_destroy() and rw_destroy(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-29 21:37:21 +00:00
Pawel Jakub Dawidek
5da2320932 When SIGTERM or SIGINT is received, terminate worker processes. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:28:02 +00:00
Pawel Jakub Dawidek
4767ee29f1 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
Pawel Jakub Dawidek
b9cf0cf5fa 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
Pawel Jakub Dawidek
eba09893fd 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
Pawel Jakub Dawidek
01125a9381 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
Pawel Jakub Dawidek
ac59403c39 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
Pawel Jakub Dawidek
0becad39a7 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
Pawel Jakub Dawidek
1cdaf10c45 - 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
Pawel Jakub Dawidek
e64887c4d6 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
Pawel Jakub Dawidek
3f828c18e5 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
Pawel Jakub Dawidek
f7fe83f9f8 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
Pawel Jakub Dawidek
8f8c798c13 - 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
Pawel Jakub Dawidek
e23d2d0187 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
Pawel Jakub Dawidek
53d9b386eb 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
Pawel Jakub Dawidek
55ce1e7c8b 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
Pawel Jakub Dawidek
16bd7026a2 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
Pawel Jakub Dawidek
6e5f008ac4 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
Pawel Jakub Dawidek
7087d13fae 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
Pawel Jakub Dawidek
28df1f238a 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
Pawel Jakub Dawidek
471bb09914 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 Dahl
c2025a7660 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
Pawel Jakub Dawidek
44d63cff2e Document 'none' value for remote. 
Reviewed by:	dougb
MFC after:	1 month
 2010-08-05 19:54:57 +00:00
Pawel Jakub Dawidek
0989854d45 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
Pawel Jakub Dawidek
bbbb114cda 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
Pawel Jakub Dawidek
a00829bb71 Make control_set_role() more public. We will need it soon. 
MFC after:	1 month
 2010-08-05 19:04:29 +00:00
Pawel Jakub Dawidek
f377917cdc 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
Pawel Jakub Dawidek
a2ef0636b4 Reset signal handlers after fork(). 
MFC after:	1 month
 2010-08-05 18:58:00 +00:00
Pawel Jakub Dawidek
005f438bf5 - 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
Pawel Jakub Dawidek
2c5dadc9cf Assert that various buffers we are large enough. 
MFC after:	1 month
 2010-08-05 18:27:41 +00:00
Pawel Jakub Dawidek
524840d8d0 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
Pawel Jakub Dawidek
6b97e48326 Keep $FreeBSD$ in __FBSDID() only for C files. 
MFC after:	1 month
 2010-08-05 18:23:43 +00:00
Pawel Jakub Dawidek
e3031161eb Mark two more places that we won't reach. 
MFC after:	1 month
 2010-08-05 18:21:45 +00:00
Pawel Jakub Dawidek
9bf24e1a00 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
Pawel Jakub Dawidek
50692f84c6 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 Dahl
a53bb70bda Spelling fixes. 2010-07-31 21:09:49 +00:00
Pawel Jakub Dawidek
1a517c3ec5 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
Pawel Jakub Dawidek
f3bd74124a 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
Pawel Jakub Dawidek
96610dd9b6 Fix typos. 
MFC after:	3 days
 2010-06-14 21:44:58 +00:00
Pawel Jakub Dawidek
328e0f4b04 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
Pawel Jakub Dawidek
7a716e072e Plug memory leak. 
Found by:	Coverity Prevent
CID:		7057
MFC after:	3 days
 2010-06-14 21:41:22 +00:00
Pawel Jakub Dawidek
b0dfbe5b27 Plug memory leak. 
Found by:	Coverity Prevent
CID:		7056
MFC after:	3 days
 2010-06-14 21:37:25 +00:00
Pawel Jakub Dawidek
9f31eddba0 Plug memory leak. 
Found by:	Coverity Prevent
CID:		7051
MFC after:	3 days
 2010-06-14 21:33:18 +00:00
Pawel Jakub Dawidek
6744284aec Plug memory leaks. 
Found by:	Coverity Prevent
CID:		7052, 7053, 7054, 7055
MFC after:	3 days
 2010-06-14 21:25:20 +00:00
Pawel Jakub Dawidek
9fab3c1b94 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
Pawel Jakub Dawidek
a58b195e35 Eliminate dead code. 
Found by:	Coverity Prevent
CID:		5158
MFC after:	3 days
 2010-06-14 21:01:13 +00:00
Ulrich Spörlein
0b31f1f731 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
Pawel Jakub Dawidek
d92714eea8 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
Pawel Jakub Dawidek
c6ddcbe009 - 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
Pawel Jakub Dawidek
5571414ca8 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
Pawel Jakub Dawidek
83a5671405 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
Pawel Jakub Dawidek
5abfc9c145 Mark temporary issues as such. 
MFC after:	3 days
 2010-04-28 22:39:47 +00:00
Pawel Jakub Dawidek
06c117d1d1 Use WEXITSTATUS() to obtain real exit code. 
MFC after:	3 days
 2010-04-28 22:26:30 +00:00
Pawel Jakub Dawidek
1228041bd5 Don't assume that "resource" property is in metadata. 
Reported by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-04-28 22:23:29 +00:00
Pawel Jakub Dawidek
36df4f8d05 Fix compilation with WITHOUT_CRYPT or WITHOUT_OPENSSL options. 
Reported by:	Andrei V. Lavreniyuk <andy.lavr@reactor-xg.kiev.ua>
MFC after:	3 days
 2010-04-22 19:18:10 +00:00
Pawel Jakub Dawidek
20ec52dc4b Fix log size calculation which caused message truncation. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-04-16 06:49:12 +00:00
Pawel Jakub Dawidek
09398e9bd4 Fix control socket leak when worker process exits. 
Submitted by:	Mikolaj Golub <to.my.trociny@gmail.com>
MFC after:	3 days
 2010-04-16 06:47:29 +00:00
Pawel Jakub Dawidek
20b77db949 Increase ggate queue size to maximum value. 
HAST was not able to stand heavy random load.

Reported by:	Hiroyuki Yamagami
MFC after:	3 days
 2010-04-15 17:04:08 +00:00
Pawel Jakub Dawidek
0d9014f354 Don't hold connection lock when doing reconnects as it makes I/Os wait for 
connection timeouts.

Reported by:	Kevin Day <toasty@dragondata.com>
 2010-03-27 16:35:07 +00:00
Ulrich Spörlein
7729e3ba40 Remove redundant WARNS?=6 overrides and inherit the WARNS setting from 
the toplevel directory.

This does not change any WARNS level and survives a make universe.

Approved by:        ed (co-mentor)
 2010-03-02 18:44:08 +00:00
Ruslan Ermilov
c59ee18a21 Fixed static linkage. 2010-02-26 09:41:16 +00:00
Pawel Jakub Dawidek
2e1facf96f Changing proto_socketpair.c compilation and linking order revealed 
a problem - we should simply ignore proto_server() if address
doesn't start with socketpair://, and not abort.
 2010-02-21 19:56:47 +00:00
Pawel Jakub Dawidek
32115b105a Please welcome HAST - Highly Avalable Storage. 
HAST allows to transparently store data on two physically separated machines
connected over the TCP/IP network. HAST works in Primary-Secondary
(Master-Backup, Master-Slave) configuration, which means that only one of the
cluster nodes can be active at any given time. Only Primary node is able to
handle I/O requests to HAST-managed devices. Currently HAST is limited to two
cluster nodes in total.

HAST operates on block level - it provides disk-like devices in /dev/hast/
directory for use by file systems and/or applications. Working on block level
makes it transparent for file systems and applications. There in no difference
between using HAST-provided device and raw disk, partition, etc. All of them
are just regular GEOM providers in FreeBSD.

For more information please consult hastd(8), hastctl(8) and hast.conf(5)
manual pages, as well as http://wiki.FreeBSD.org/HAST.

Sponsored by:	FreeBSD Foundation
Sponsored by:	OMCnet Internet Service GmbH
Sponsored by:	TransIP BV
 2010-02-18 23:16:19 +00:00