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242 commits

Author SHA1 Message Date
Andreas Gustafsson
97f26b88f6 removed more needless attaching and detaching of the blackhole ACL 2001-02-09 00:23:16 +00:00
Andreas Gustafsson
8ed67113ec there is no need for each dispatch to have a separate reference to 
the blackhole list; they can use the blackhole list of the dispatch
manager directly. This eliminates some unsafe unlocked accesses to
the reference count of the blackhole list dns_acl_t object
 2001-02-08 18:25:09 +00:00
Brian Wellington
e618d503ba Remove (now unused) code for handling queries. 2001-02-07 05:11:58 +00:00
Brian Wellington
98c80a3456 do_next_response() was unlinking an event from the wrong list 2001-02-07 03:01:19 +00:00
Andreas Gustafsson
fc16063c23 removed dns_qid_t::mctx since it was never used 2001-01-31 22:16:37 +00:00
Andreas Gustafsson
c17c59662f 720. [bug] Server could enter infinite loop in 
dispatch.c:do_cancel(). [RT #743]
 2001-01-31 17:21:11 +00:00
Brian Wellington
35f06ab0e6 Clients now listen on sockets instead of accepting queries from dispatchers. 
When a socket is shared by clients and query-source, the client hands off
responses to the dispatcher.
 2001-01-27 02:08:07 +00:00
Andreas Gustafsson
bc85580ff8 mask message id to 16 bits explicitly 2001-01-25 13:52:32 +00:00
Andreas Gustafsson
3530e10080 commented and removed dead code 2001-01-25 13:47:59 +00:00
Brian Wellington
c6c1846361 oops, missed a function declaration 2001-01-25 00:44:29 +00:00
Brian Wellington
038a3e6bfe use dns_messageid_t instead of isc_uint32_t in a few places. [RT #703] 2001-01-25 00:42:31 +00:00
Brian Wellington
f98d6edb19 Multiple outstanding requests don't actually help. Never have more than 1. 2001-01-13 01:33:27 +00:00
Brian Wellington
499b34cea0 copyright update 2001-01-09 22:01:04 +00:00
Andreas Gustafsson
13b53c2971 when code is duplicated (which it shoudn't be), it should 
at least be duplicated consistently
 2001-01-07 22:02:48 +00:00
Brian Wellington
02e3821450 635. [bug] Reloading a server with a configured blackhole list 
would cause an assertion. [RT #590]
 2000-12-26 09:48:41 +00:00
Andreas Gustafsson
0bca614506 don't shout 2000-12-20 19:46:37 +00:00
Mark Andrews
6fda157766 ISC_LINK_*UNSAFE -> ISC_LINK_INITAND* 2000-12-07 20:15:58 +00:00
Andreas Gustafsson
97a195d7ff spacing; incorrect comment 2000-11-10 03:08:57 +00:00
Brian Wellington
ce10da9983 A call to isc_mempool_get() was unchecked, which could lead to a seg fault. 2000-11-03 19:55:15 +00:00
Brian Wellington
e21d199dca 539. [func] Support the blackhole option. 2000-11-03 02:45:55 +00:00
Mark Andrews
5e589b5356 Uninitalised link fixes, batch 1. 2000-10-20 02:21:58 +00:00
Brian Wellington
3a62e221b4 locks weren't being destroyed 2000-09-26 22:09:20 +00:00
Mark Andrews
8affb49a70 Move the UDP buffer pool to the dispatchmgr. UDP parameters are now set 
by the first call to dns_dispatch_getudp(), subsecquent calls can raise
the maximum number of buffers.  dns_dispatchmgr_setudp() could be made
public.

Tidy dispatch_allocate().

entropy and mctx are now gone from dns_qid_t.
 2000-09-19 06:59:28 +00:00
Mark Andrews
a7c76f1924 469. [bug] "query-source address * port 53;" now works. 2000-09-18 04:50:05 +00:00
Andreas Gustafsson
00010dc6a4 TCP receives should never be retried 2000-09-08 22:02:21 +00:00
Michael Graff
d2439ad5af log message about strange socket error at ISC_LOG_ERROR level 2000-09-07 01:53:31 +00:00
Andreas Gustafsson
f38a84ce83 418. [bug] At debug levels >= 10, getting an unexpected 
socket receive error would crash the server
                        while trying to log the error message.
 2000-09-01 22:41:46 +00:00
Michael Graff
ca0db0cdc8 stop mumbling in dispatch.h by filling out the comments. Fixed a bug, since I was here already. 2000-09-01 07:16:06 +00:00
Brian Wellington
5e387b9ce6 and more calls to DESTROYLOCK 2000-08-26 01:37:00 +00:00
Andreas Gustafsson
ec46482ef3 dispatch log messages had request/response backwards 2000-08-24 16:56:48 +00:00
David Lawrence
40f53fa8d9 Trailing whitespace trimmed. Perhaps running "perl util/spacewhack.pl in your 
own CVS tree will help minimize CVS conflicts.  Maybe not.
Blame Graff for getting me to trim all trailing whitespace.
 2000-08-01 01:33:37 +00:00
David Lawrence
15a4474541 word wrap copyright notice at column 70 2000-07-27 09:55:03 +00:00
Brian Wellington
f6579931b3 Added calls to isc_log_wouldlog() in additional logging functions. 2000-07-17 23:25:35 +00:00
Andreas Gustafsson
9317787889 use isc_log_wouldlog() 2000-07-13 01:16:22 +00:00
David Lawrence
24675e8e13 In dns_dispatch_createtcp(), REQUIRE() that attributes not include 
DNS_DISPATCHATTR_UDP, and document that requirement as well as the
existing requirement for needing DNS_DISPATCHATTR_TCP.

No need to pull up.
 2000-07-04 01:48:13 +00:00
David Lawrence
9c3531d72a add RCS id string 2000-06-22 22:00:42 +00:00
Michael Graff
8e7e1ef75b let the entropy source seed the pseudorandom source from _very_ bad sources like the time and the pid. Update the dispatcher to always expect success in these cases. 2000-06-21 22:12:23 +00:00
Michael Graff
80617c8faa Add using an entropy source to generate a random query ID seed value. 2000-06-21 21:34:43 +00:00
Mark Andrews
3c671ac666 264. [func] Dispatch can not take TCP sockets in connecting 
state.  Set DNS_DISPATCHATTR_CONNECTED when calling
                        dns_dispatch_createtcp() for connected TCP sockets
                        or call dns_dispatch_starttcp() when the socket is
                        connected.
 2000-06-20 23:52:54 +00:00
Michael Graff
8470db5b12 clean up ; remove unneeded function arguments 2000-06-20 17:24:47 +00:00
Andreas Gustafsson
8ed2c82a73 do not use initial caps in log messages 2000-06-16 15:51:58 +00:00
Michael Graff
ce5bd92088 Store our own version of what type of socket we had, so we can clean up even after the socket is detached. 2000-06-16 00:52:05 +00:00
Andreas Gustafsson
11a91ac55e call isc_task_setname() on the dispatch tasks 2000-06-01 22:00:09 +00:00
David Lawrence
cf479fdc6b removed unused static function violate_locking_hierarchy 2000-05-24 02:41:03 +00:00
Michael Graff
46993e1d9d Merge the mlg-20000518 branch onto the mainline. Change summary: 
dns_dispatch_create() no longer exists.  dns_dispatch_createtcp()
	and dns_dispatch_getudp() are the replacements.  _createtcp() takes
	a bound, connected TCP socket, while _getudp() will search for
	a sharable UDP socket, and if found, attach to it and return a
	pointer to it.  If one is not found, it will create a udp socket,
	bind it to a supplied local address, and create a new dispatcher
	around it.

	dns_dispatch_remove{request,response}() no longer take the dispatch
	as an argument.

	query-source can now be set per view.

	The dispatch manager holds onto three memory pools, one for
	allocating dispatchers from, one for events, and one for
	requests/replies.  The free list on these pools is hard-coded,
	but set to 1024.  This keeps us from having to dig into the
	isc_mem_t the pools draw from as often.

	dns_resolver_create() and dns_view_createresolver() require that
	valid dispatchers be passed in; dispatchers are no longer created
	for the caller.
 2000-05-19 21:46:46 +00:00
Andreas Gustafsson
bbf6673828 use isc_sockaddr_format() instead of a static function doing 
the same thing
 2000-05-14 20:52:35 +00:00
David Lawrence
3d181bc9f1 needs string.h for memset() prototype. 2000-05-13 21:57:02 +00:00
Michael Graff
b9c8f4378a Add address searching to dns_disptach_find(). 2000-05-11 07:33:17 +00:00
Michael Graff
ca9739800f implement dns_dispatchmgr_t, replacing dns_dispatchlist_t. Use it throughout the library/server. 2000-05-10 21:34:50 +00:00
David Lawrence
1a69a1a78c Megacommit of dozens of files. 
Cleanup of redundant/useless header file inclusion.

ISC style lint, primarily for function declarations and standalone
comments -- ie, those that appear on a line without any code, which
should be written as follows:
   /*
    * This is a comment.
    */
 2000-05-08 14:38:29 +00:00
Michael Graff
f6407f9a0b add print.h and string.h to files that need them 2000-05-02 16:36:22 +00:00
Michael Graff
20c266cbc9 add dispatcher logging functions 2000-04-29 00:45:26 +00:00
David Lawrence
32eddfc189 120. [cleanup] <isc/socket.h> does not need <isc/boolean.h>, 
<isc/bufferlist.h>, <isc/task.h>, <isc/mem.h> or
                        <isc/net.h>.
 2000-04-28 03:53:48 +00:00
David Lawrence
6e49e91bd0 103. [func] libisc buffer API changes for <isc/buffer.h>: 
Added:
                                isc_buffer_base(b)          (pointer)
                                isc_buffer_current(b)       (pointer)
                                isc_buffer_active(b)        (pointer)
                                isc_buffer_used(b)          (pointer)
                                isc_buffer_length(b)            (int)
                                isc_buffer_usedlength(b)        (int)
                                isc_buffer_consumedlength(b)    (int)
                                isc_buffer_remaininglength(b)   (int)
                                isc_buffer_activelength(b)      (int)
                                isc_buffer_availablelength(b)   (int)
                        Removed:
                                ISC_BUFFER_USEDCOUNT(b)
                                ISC_BUFFER_AVAILABLECOUNT(b)
                                isc_buffer_type(b)
                        Changed names:
                                isc_buffer_used(b, r) ->
                                        isc_buffer_usedregion(b, r)
                                isc_buffer_available(b, r) ->
                                        isc_buffer_available_region(b, r)
                                isc_buffer_consumed(b, r) ->
                                        isc_buffer_consumedregion(b, r)
                                isc_buffer_active(b, r) ->
                                        isc_buffer_activeregion(b, r)
                                isc_buffer_remaining(b, r) ->
                                        isc_buffer_remainingregion(b, r)

                        Buffer types were removed, so the ISC_BUFFERTYPE_*
                        macros are no more, and the type argument to
                        isc_buffer_init and isc_buffer_allocate were removed.
                        isc_buffer_putstr is now void (instead of isc_result_t)
                        and requires that the caller ensure that there
                        is enough available buffer space for the string.
 2000-04-27 00:03:12 +00:00
Michael Graff
e44487bfc2 convert sender, arg, action, etc. to ev_sender, ev_arg, ev_action, etc. 2000-04-17 19:22:44 +00:00
Michael Graff
4195904998 s/DNS_R_/ISC_R_/ change for some codes. 2000-04-06 22:03:35 +00:00
Michael Graff
ae8d0aedd6 implement pktinfo through dispatcher -> named client 2000-03-14 03:30:52 +00:00
Bob Halley
7d32c065c7 update copyright 2000-02-03 23:50:32 +00:00
Bob Halley
6da50be436 add missing exit checks to udp_recv and tcp_recv 2000-02-02 23:29:47 +00:00
Michael Graff
0941f35ad9 Start moving the dispatcher code to allow it to be used for wire format as well as for lightweight resolver daemon stuff. 2000-01-07 01:17:47 +00:00
Michael Graff
04458c8b5d fix a bug pointed out by Andreas -- don't detach from socket then use it. 2000-01-06 23:01:07 +00:00
Michael Graff
440be4c866 move util.h to <isc/util.h> 1999-12-16 22:24:22 +00:00
Michael Graff
b8ef99c3a7 make the lfsr's real lfsr's, and use two of them to generate random-looking IDs 1999-12-16 00:07:21 +00:00
Michael Graff
607dc8013a make dispatcher hash sizes be primes, and provide an increment to help 
resolve hash collisions
 1999-12-15 17:14:52 +00:00
Michael Graff
0a9fedafec Use an LFSR to generate unpredictable IDs. 1999-12-15 03:11:00 +00:00
Michael Graff
6149906644 ipv6 changes 1999-12-04 01:27:44 +00:00
Bob Halley
3cd4668988 In tcp_recv(), free the event before calling destroy(), since the event is 
a statically allocated part of the tcpmsg.
 1999-11-16 21:05:09 +00:00
Michael Graff
233f59d933 put names on memory pools 1999-10-22 05:18:35 +00:00
Bob Halley
6d58c9b95e unsend 1999-10-07 19:38:39 +00:00
Bob Halley
271d5bfc5c conforming changes for task API simplification 1999-09-23 21:31:03 +00:00
Michael Graff
11e2a221f1 hack on socket code more, trying to track down a bug 1999-07-28 23:04:33 +00:00
Michael Graff
d524cd03ec make the isc_socket_recv() partial flag be a byte count instead, which allows 
us to say "read at least 2 bytes" for things like a DNS packet over TCP.
 1999-07-28 21:30:37 +00:00
Michael Graff
6f1422b81e fix many bugs. 1999-07-22 01:34:31 +00:00
Michael Graff
3446e5e932 Don't allow responses/requests to be attached to dispatchers which are 
shutting down
 1999-07-14 22:16:19 +00:00
Bob Halley
ef4b66d355 update isc_sockettype_t enum names 1999-07-13 01:49:33 +00:00
Michael Graff
2743e0ce08 s/dns_dispatch_destroy()/dns_dispatch_detach()/g 1999-07-13 00:25:21 +00:00
Michael Graff
c6066a8e67 make this (mostly) work with tcp 1999-07-12 23:44:31 +00:00
Bob Halley
9db3eaed95 the event tag is now a void * 1999-07-10 00:55:07 +00:00
Michael Graff
04135883be cleanup a few return codes 1999-07-10 00:15:41 +00:00
Michael Graff
7f1bd55920 s/printf/XDEBUG()/g 1999-07-09 20:42:55 +00:00
Michael Graff
bd7237e653 add another REQUIRE() where it might help 1999-07-09 20:34:26 +00:00
Michael Graff
c16cc434ef checkpoint; add dns_dispatch_getsocket() to return the socket being used 1999-07-09 20:32:12 +00:00
Michael Graff
6fe411037d checkpoint 1999-07-09 02:47:55 +00:00
Michael Graff
58efc48a96 checkpoint 1999-07-09 01:57:55 +00:00
Michael Graff
d1ba6e9180 snapshot 1999-07-09 00:51:08 +00:00
Michael Graff
0b14ebe313 checkpoint 1999-07-08 22:12:37 +00:00
Michael Graff
1ec39fc7a8 checkpoint 1999-07-08 02:50:00 +00:00
Michael Graff
ab0e506608 checkpoint 1999-07-06 19:32:40 +00:00
Michael Graff
8d1943e8ff add dns_dispatch_attach/detach(), and start on serious dispatcher hacking. 1999-06-30 01:33:11 +00:00
Michael Graff
54a64ec428 checkpoint 1999-06-18 23:54:59 +00:00
Michael Graff
a8dcebd041 checkpoint 1999-06-18 02:01:42 +00:00
Michael Graff
83f8c56f43 checkpoint 1999-06-16 01:32:31 +00:00