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* Watch-Dog Work-in-ProgressChris Hall2012-04-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added -W command line argument to bgpd to start watch-dog: -W99[,[+]path] where: 99 is the watch-dog interval, eg. 2 or 5 path is file that watch-dog writes to -- default is stderr. if '+' is given, will append to the file. Watch-Dog looks out for: * not being woken up when expected. * CLOCK_REALTIME and CLOCK_MONOTONIC not advancing together. * pthreads stalling. * mutexes being locked for long periods. * CPU consumption by each pthread in each watch-dog interval. If pthreads are locking up or going into a flat spin, the Watch-Dog should spot it. Pro tem: outputs pthread properties to stderr at start-up.
* Remove CONFIRM(_POSIX_REENTRANT_FUNCTIONS) -- not POSIX !Chris Hall2012-04-121-2/+2
| | | | | | | | | | | | | Turns out that _POSIX_REENTRANT_FUNCTIONS is not a POSIX feature test macro... name notwithstanding. It appears to be quite well known, but in some cases appears to be a feature request, and in others a feature test :-( So, since it adds no value -- and breaks FreeBSD -- the CONFIRM is removed. Further work in progress for Watch-Dog -- all known mutexes are held in an all known mutexes list, complete with name of mutex for diagnostic purposes.
* Merge branch 'master' into euro_ix_bex23bChris Hall2012-03-231-2/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | v0.99.20ex23b -- Quagga 'master' as at 23-Mar-2012 Conflicts: bgpd/bgp_attr.c bgpd/bgp_attr.h Difference between 'master' and 0.99.20.1 is in these files. Handling of attributes has been worked over again to common up checks of the flags, and to use a common parsing structure, which reduces the clutter of parameters for the individual attribute parsing functions. bgpd/bgp_open.c bgpd/bgp_packet.c lib/thread.c ospfd/ospf_packet.c These were artifacts, caused by common patches in master and 0.99.20.1 -- and some twitchy-ness about whitespace !
| * lib: fix incorrect thread list processing loopsPaul Jakma2012-02-281-2/+6
| | | | | | | | | | | | * thread.c: (thread_timer_process,thread_process) thread_list_delete nulls thread->next. Loops need to save next first, or will only process the head. Problem noted by Lou Berger <lberger@labn.net>.
* | Merge Quagga master branch -- as of 1-Mar-2012 -- into euro_ix_bex21bChris Hall2012-03-171-2/+2
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Version 0.99.20ex21b This brings us up to date with: commit 48f99b0c2bfed8d3880732d188e1d5964f575ee4 Date: Thu Sep 29 16:55:23 2011 +0400 release: 0.99.20 and the subsequent: commit dc00d2bb56aa6a84dd2328133f69db3c3e6d9dc7 Date: Sun Jan 8 14:47:06 2012 +0000 Marker merge for 'RE-0.99.17.6' This marker merge (i.e. an 'ours' strategy merge) is a placeholder to show that all commits in Quagga-RE stable, to its release RE-0.99.17.6 tag, have been reviewed and merged into 'master'. and then further commits (in descending date order) commit b51a3a31500133e3e26f12e7639f297c655bc735 commit ef2d5d100431031c32ea35b3c834b46cff16f511 commit 4c78376f96cd2ca56f1c6476b76fd659654431f5 commit e854095932260b3e6187902aa9a7baa0e96b9428 commit e6b03b77766dce8009ad7b4a2392e14addf4ab0f commit c25eaffdb2190149e768dc4ee4efc913c6d02992 commit d034aa027ef44d0a74805c27ad2a4d8ea20395d1 commit 907fd95e502e10334e5390c73cc57588b88b8171 commit 7fd6cd819ff98f0580b745ba637990df9c20ef0f commit 4c0cf00afc4340a429a9c4830f638b4593d7c3af commit 4afa50b393ff1fb34dd577888a05b81dfdced5af commit 6eb0c5ab1d43bcf9edd4fefd19031f2b96ded728 commit aca43b656623f38dfa6ea835dacbdfec51d03a67 commit 6bb1273e83c29b3aeff9584bc8f6272e773294ad commit d660f698427277ce695a5b756f3143c8304274ea commit 6134b875f39986564aced5e2d7329fcd852f17f4 commit b4e45f67057be22133b6bec88cdf285d5c8214db commit 6eac79a6fed4842e00607c00c445213b51bba377 commit cb32fd690a957819865219a847e3c21a53a0f419 commit 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9 commit f768f367bcd1f37a53c563495176a5a134caf234 commit c7ec179a95c1ed4fcd3d3be3f981c8c20dce534a commit cddf391bf6839e9f093cef15508669c1f3f92122 commit 5a616c08ce089e25dc0e8da920727af4d11279bf commit 6ae93c058725991df5a9ae35cefec368919b5fea commit fc98d16ea77372f4ab4231e8904f8467e8d1ef71 A summary of the changes that relate to bppd, zebra and the lib follows. bgpd changes * attribute handling: (a) now checks the flag byte for all attributes and issues suitable log messages and notifications, (b) reports some length issues that previously let slide (local pref). Tighten End-of-RIB detection -- now iff an MP_UNREACH is the *only* attribute and no ordinary update or withdraw. * added --socket/-z option -- sets zebra socket name * sets IPv6 tclass as required * improved next hop handling and added "show ip bgp scan" and "show ip bgpd scan detail" commands. see commits: fc98d16ea77372f4ab4231e8904f8467e8d1ef71 0e8032d69961ae196c11ba6ead856084c7acf7c2 b64bfc1c4a552fc0b4dd024d5f77171ec848a5df 318f0d8a7f5e8e87086bbf2a9e7c4b35638951ac 8e80bdf20f493a71bcf74262ed3aa3a2437f4df6 f04a80a5d209dbb54f6fec5d0149b7c0e489d29e * removed SAFI_UNICAST_MULTICAST * fiddled with SAFI_MPLS_LABELED_VPN -- unsure if this is now complete -- stuff here TODO ! * support for multicast SAFI see commits: 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9 5a616c08ce089e25dc0e8da920727af4d11279bf * added "match probability" commands * uses "route_types.txt" more effectively -- which affects the implementation of "redistribute" commands see commit: e0ca5fde7be5b5ce90dae78c2477e8245aecb8e9 * "nexthop-local unchanged" included in configuration. zebra changes * some whitespace change clutter :-( * ZEBRA_HELLO and mopping up routes (BZ#448) * implement route_types.h * support for SAFI_MULTICAST commit f768f367bcd1f37a53c563495176a5a134caf234 IPv6 MP-BGP Routes addition and deletion commit cddf391bf6839e9f093cef15508669c1f3f92122 IPv4 MP-BGP Routes addition and deletion * brought up to date with RFC6275 * add --socket/-z option * add "ipv6 nd mtu <1-65535>" commands lib changes * filter-list handling -- does not free the filter-list before calling the delete_hook(). However, unlike commit 6a2e0f36b103386e57dbe3a6ee4716e809111198 *does* remove the filter-list from the name look-up, before calling the delete_hook() -- which I believe works better. * md5.c now includes RFC 2104 HMAC However fixed to remove compiler warning, by replacing use of caddr_t by unsigned char*. Some phantom whitespace changes elsewhere * prefix.c: commits d171bf58ef12ace43d48565e6870722dece1e6ed 051954f574b9c26458518a7029aeed118f0da620 9663386f16e6285a322747514527fdf1d19788e4 - optimise masklen2ip() and apply_mask_ipv4() -- the version here should work on a Big-Endian machine as well. - optimise ip_masklen() -- the version here should (a) work on a Big-Endian machine, (b) give the same result as before if the netmask is not, in fact, valid, and (c) uses just 256 bytes of table -- not 64K. Version here is probably not quite as fast as the previous patch... but certainly faster that what was there before. * zclient.c: introduced zclient_serv_path, for general zclient and for bgpd zlookup. Added ZEBRA_HELLO to client start. Added safi to ipv4 and ipv6 route add/delete.
| * general: remove inline qualifiers and move in-header functions to objectsPaul Jakma2012-01-061-2/+2
| | | | | | | | | | | | * (general) Move functions in headers into files, to be compiled into shared object files. Remove inline qualifier from functions. Let the compiler do the work.
* | vtysh partly restored. bgpd not crashing on over-size messages.Chris Hall2012-02-191-45/+87
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NB: this is a partial interim version -- NOT for production. Reinstate vtysh. In bgpd: cope better with generating oversize messages. The "pipework" branch is no more. There is now "euro_ix" and "euro_ix_b", where 'b' stands for 'bleedin'. The "pipework" is currently in 'bleedin'. Version updated to: 0.99.18ex20b Major changes in this commit: * modified bgpd to avoid crashing if an oversize message is created. At present, any oversize messages are simply discarded. This may be a mistake... since it is possible that some routes that should have been withdrawn are not. TBA. The stream lib facilities have been overhauled to may this easier. * restoring vtysh. At present the vtysh is thought to work, except that it does not currently create integrated configuration files. For the time being, *only* the following compile: lib, bgpd, zebra, vtysh, tests All other daemons will fail to compile, and must be disabled.
* | Merge branch 'euro_ix' of /git/quagga.euro-ix into pipeworkex18pChris Hall2011-08-121-5/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge with euro_ix branch v0.99.18ex17. Update version to: 0.99.18ex18p Of particular note: * includes support for GTSM: neighbor ... ttl-security hops X no neighbor ... ttl-security hops X where X is 1-254. For usual case of immediately connected peer, X == 1. Cannot set ttl-security while ebgp-multihop is set, and vice-versa. If underlying O/S does not support GTSM, then will set ttl as per ebgp-multihop. In passing, have fixed various bugs in the main Quagga branch. * initial support for draft-ietf-idr-optional-transitive Does not yet support "neighbor-complete" flag. * main Quagga now uses TCP_CORK and permanent non-blocking Do not beleive TCP_CORK to be necessary for euro_ix code... which has a different buffering strategy. The euro_ix code already runs sockets permanently non-blocking. * various fixes to attribute intern/unintern Trying to remove memory leaks. Nobody seems convinced that this has been perfected, yet. * fixes for ospfd and ospf6d issues. Up to date with master branch up to: commit 538cb284864c17de66152a5236db4cd80e3e7639 Merge: 036a6e6 8ced4e8 Author: Paul Jakma <paul@quagga.net> Date: Fri Jul 29 18:21:50 2011 +0100
| * | Merge with main Quagga source as of 29-Jul-2011.ex17Chris Hall2011-08-121-5/+3
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create euro_ix branch. Update version to: 0.99.18ex17 Of particular note: * includes support for GTSM: neighbor ... ttl-security hops X no neighbor ... ttl-security hops X where X is 1-254. For usual case of immediately connected peer, X == 1. Cannot set ttl-security while ebgp-multihop is set, and vice-versa. If underlying O/S does not support GTSM, then will set ttl as per ebgp-multihop. In passing, have fixed various bugs in the main Quagga branch. * initial support for draft-ietf-idr-optional-transitive Does not yet support "neighbor-complete" flag. * main Quagga now uses TCP_CORK and permanent non-blocking Do not beleive TCP_CORK to be necessary for euro_ix code... which has a different buffering strategy. The euro_ix code already runs sockets permanently non-blocking. * various fixes to attribute intern/unintern Trying to remove memory leaks. Nobody seems convinced that this has been perfected, yet. * fixes for ospfd and ospf6d issues. Up to date with master branch up to: commit 538cb284864c17de66152a5236db4cd80e3e7639 Merge: 036a6e6 8ced4e8 Author: Paul Jakma <paul@quagga.net> Date: Fri Jul 29 18:21:50 2011 +0100
| | * lib: Add a command to clear the thread CPU history dataPaul Jakma2010-12-081-0/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * (general) this can be useful when investigating thread latency problems, when you don't want to have to restart a daemon between tests. * thread.c: (cpu_record_(hash_)clear) wipe the stored thread cpu history data, according to the filter, similar to the vty print code. (clear_thread_cpu_cmd) new command to clear data. * thread.h: export new command * command.c: install it
| | * lib: Thread scheduler should be fair and not let events starve I/O and timersPaul Jakma2010-12-081-16/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * thread.c: (thread_fetch) the current scheduler will service events indefinitely, ignoring I/O and timers, so long as there are events. In other words, events can crowd out I/O and timers. In theory this shouldn't be a huge problem as events are generated only by timers and I/O, however in practice it means normal-load behaviour is not as useful a predictor of high-load behaviour as it should be. Fix this by considering all the kinds of threads, in every run of the scheduler. For any given run, we prioritise events, however across runs the scheduler should be fair. This has been observed to give more stable inter-packet times in testing of ospfd (i.e. lower std-dev). (thread_process) new heler to queue all the given threads onto the ready list
| | * lib: thread history funcname shouldn't be constant, it's freedPaul Jakma2010-12-081-1/+1
| | | | | | | | | | | | | | | | | | | | | * thread.h: (struct cpu_thread_history.funcname) malloc gets called on this so it should not be const * thread.c: (cpu_record_print) cast the (const char *) to (char *), this function knows what it's doing (free wont be called on it).
* | | Update pipework and improve memory reporting.Chris Hall2011-07-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve error handling for all new pipework inputs and outputs. Change behaviour of ^C from VTY Terminal, so that will interrupt output and terminate all running pipes -- including running shell commands. In pipe commands, recognise "~/..." and "~user/..." home directory forms. Changed "~/" to mean the usual home for the current user. "~~/" now means the configuration file directory. Introduced "shdir DIR" command to show what is (currently) what. Changed "<|" so that if the command has a path, it is expanded using Quagga's rules (including "~~/" and "~./") and the "here" directory is set to that path. Fixed collection of stderr output from all pipes so that is separate from stdout output, and is always sent to the base output (eg VTY Terminal). Increase amount of information about the heap that "show mem" shows -- particularly if the "memory_tracker" is enabled. Tested and applied resulting fixes.
* | | Merge branch 'master' of /git/quagga.euro-ix into pipeworkex16pChris Hall2011-03-291-6/+6
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This ensures that the two branches are consistent after the merging of the old-Quagga 0.99.18 changes. Release: 0.99.18ex16p. Eliminated some whitespace differences ! Collected RESTRICTED_NODE show_bgp_ipv6_safi_route_cmd and show_bgp_ipv6_safi_prefix_cmd, and one HAVE_IPV6 skip. Also releasing filename in closezlog(). Removed strlen() from lib/qfstring.c for async-signal-safe purposes.
| * | Bring "ex" version up to date with 0.99.18ex14Chris Hall2011-03-291-19/+146
| | | | | | | | | | | | | | | | | | | | | | | | Release: 0.99.18ex14 Also fixes issue with unknown attributes -- does not release them prematurely. Contains the "bgpd: New show commands for improved view and address family support", which is post 0.99.18. (But not RFC 5082 GTSM.)
* | | Bring "ex" version up to date with 0.99.18ex15pChris Hall2011-03-291-13/+140
| | | | | | | | | | | | | | | | | | | | | | | | | | | Release: 0.99.18ex15p -- Pipework Branch Also fixes issue with unknown attributes -- does not release them prematurely. Contains the "bgpd: New show commands for improved view and address family support", which is post 0.99.18. (But not RFC 5082 GTSM.)
* | | Upgrade of "pipework" -- including piping to/from shell commandsex11pChris Hall2011-03-211-5/+5
|/ / | | | | | | | | | | Version 0.99.15ex11p A major overhaul.
* | New functions for error numbers and addresses in messages.Chris Hall2010-04-081-1/+1
| | | | | | | | | | | | | | | | Implemented less onerous ways of including descriptions of errors and IP addresses in logging and other messages. Implemented mapping of error numbers to error names, which is generally more meaningful.
* | Revised thread/timer handling, work queue and scheduling.Chris Hall2010-02-161-191/+371
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Updated quagga thread handling to use qtimers when using the new qpnexus -- so all timers are qtimers in the new scheme. Updated work queue handling so that each work queue item is a single malloced structure, not three. (Only bgpd and zebra use the work queue system.) When using qpnexus the background thread queue is no longer a timer queue, but simply a list of pending background threads. When a background thread is waiting on a timer, it is in the qtimer pile, same like any other thread. When using qpnexus, the only remaining quagga thread queues are the event and ready queues. Revised the qpnexus loop so that only when there is nothing else to do will it consider the background threads. Revised write I/O in the BGP Engine so that all writing is via the connection's write buffer. Revised the write I/O in the Routeing Engine, so that it passes groups of updates in a single mqueue message. This all reduces the number of TCP packets sent (because BGP messages are collected together in the connection's write buffer) and reduces the number of mqueue messages involved. (No need for TCP_CORK.) Code and comments review for the new code. modified: bgpd/bgp_advertise.c modified: bgpd/bgp_common.h modified: bgpd/bgp_connection.c modified: bgpd/bgp_connection.h modified: bgpd/bgp_engine.h modified: bgpd/bgp_fsm.c modified: bgpd/bgp_main.c modified: bgpd/bgp_msg_read.c modified: bgpd/bgp_msg_write.c modified: bgpd/bgp_network.c modified: bgpd/bgp_packet.c modified: bgpd/bgp_packet.h modified: bgpd/bgp_peer.c modified: bgpd/bgp_peer_index.h modified: bgpd/bgp_route.c modified: bgpd/bgp_route_refresh.h modified: bgpd/bgp_session.c modified: bgpd/bgp_session.h modified: bgpd/bgpd.c new file: bgpd/bgpd.cx modified: lib/mqueue.h modified: lib/qpnexus.c modified: lib/qpnexus.h modified: lib/qpselect.c modified: lib/qtimers.c modified: lib/qtimers.h modified: lib/sigevent.c modified: lib/stream.c modified: lib/stream.h modified: lib/thread.c modified: lib/thread.h modified: lib/workqueue.c modified: lib/workqueue.h modified: tests/heavy-wq.c modified: zebra/zebra_rib.c
* | Change nexus priorities to more closely resemble the originals.paulo2010-02-021-34/+19
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* | Getting BGP Engine to start and removing warnings.Chris Hall2010-01-241-61/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Finish the wiring required to get bgp_msg_read to process OPEN messages into the connection's open_state, and be able to check for correct peer AS, etc. Removed bugs preventing messages from being written. Added BGP Id check to collision detection logic. Removed as many warnings from comilation as possible. Replaced horrible FIFO kludge in the process. (Introduced the even more horrible miyagi kludge.) modified: bgpd/bgp_advertise.c modified: bgpd/bgp_advertise.h modified: bgpd/bgp_connection.c modified: bgpd/bgp_connection.h modified: bgpd/bgp_debug.c modified: bgpd/bgp_fsm.c modified: bgpd/bgp_msg_read.c modified: bgpd/bgp_msg_write.c modified: bgpd/bgp_network.c modified: bgpd/bgp_nexthop.c modified: bgpd/bgp_notification.c modified: bgpd/bgp_open.c modified: bgpd/bgp_packet.c modified: bgpd/bgp_session.c modified: bgpd/bgp_session.h modified: bgpd/bgpd.c modified: lib/Makefile.am modified: lib/distribute.c modified: lib/if_rmap.c new file: lib/miyagi.h modified: lib/prefix.h modified: lib/sockopt.c modified: lib/stream.c modified: lib/thread.c modified: lib/vty.c modified: lib/zebra.h modified: tests/bgp_capability_test.c modified: tests/bgp_mp_attr_test.c modified: tests/ecommunity_test.c modified: tests/heavy-thread.c modified: tests/heavy-wq.c modified: tests/heavy.c modified: tests/main.c modified: tests/test-checksum.c modified: tests/test-sig.c modified: watchquagga/watchquagga.c modified: zebra/if_netlink.c modified: zebra/ioctl.c modified: zebra/rt_netlink.c modified: zebra/rtread_netlink.c
* | Merged with GMCH changespaulo2010-01-181-16/+13
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* | Nexus to handle old threads and process the bgp local events. Dealspaulo2010-01-181-0/+55
| | | | | | | | with having 1 or multiple nexus (and pthreads).
* | Use static mutexespaulo2009-12-171-6/+5
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* | Fix shutdown. Move cpu stats command to cli thread.paulo2009-12-171-1/+32
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* | Using message queue to send commands from cli thread to bgp thread.paulo2009-12-141-2/+29
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* | vty running in main thread. bgp running in its own thread.paulo2009-12-111-1/+3
|/ | | | Each has its own nexus.
* [bgpd] Stability fixes including bugs 397, 492Chris Caputo2009-07-191-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've spent the last several weeks working on stability fixes to bgpd. These patches fix all of the numerous crashes, assertion failures, memory leaks and memory stomping I could find. Valgrind was used extensively. Added new function bgp_exit() to help catch problems. If "debug bgp" is configured and bgpd exits with status of 0, statistics on remaining lib/memory.c allocations are printed to stderr. It is my hope that other developers will use this to stay on top of memory issues. Example questionable exit: bgpd: memstats: Current memory utilization in module LIB: bgpd: memstats: Link List : 6 bgpd: memstats: Link Node : 5 bgpd: memstats: Hash : 8 bgpd: memstats: Hash Bucket : 2 bgpd: memstats: Hash Index : 8 bgpd: memstats: Work queue : 3 bgpd: memstats: Work queue item : 2 bgpd: memstats: Work queue name string : 3 bgpd: memstats: Current memory utilization in module BGP: bgpd: memstats: BGP instance : 1 bgpd: memstats: BGP peer : 1 bgpd: memstats: BGP peer hostname : 1 bgpd: memstats: BGP attribute : 1 bgpd: memstats: BGP extra attributes : 1 bgpd: memstats: BGP aspath : 1 bgpd: memstats: BGP aspath str : 1 bgpd: memstats: BGP table : 24 bgpd: memstats: BGP node : 1 bgpd: memstats: BGP route : 1 bgpd: memstats: BGP synchronise : 8 bgpd: memstats: BGP Process queue : 1 bgpd: memstats: BGP node clear queue : 1 bgpd: memstats: NOTE: If configuration exists, utilization may be expected. Example clean exit: bgpd: memstats: No remaining tracked memory utilization. This patch fixes bug #397: "Invalid free in bgp_announce_check()". This patch fixes bug #492: "SIGBUS in bgpd/bgp_route.c: bgp_clear_route_node()". My apologies for not separating out these changes into individual patches. The complexity of doing so boggled what is left of my brain. I hope this is all still useful to the community. This code has been production tested, in non-route-server-client mode, on a linux 32-bit box and a 64-bit box. Release/reset functions, used by bgp_exit(), added to: bgpd/bgp_attr.c,h bgpd/bgp_community.c,h bgpd/bgp_dump.c,h bgpd/bgp_ecommunity.c,h bgpd/bgp_filter.c,h bgpd/bgp_nexthop.c,h bgpd/bgp_route.c,h lib/routemap.c,h File by file analysis: * bgpd/bgp_aspath.c: Prevent re-use of ashash after it is released. * bgpd/bgp_attr.c: #if removed uncalled cluster_dup(). * bgpd/bgp_clist.c,h: Allow community_list_terminate() to be called from bgp_exit(). * bgpd/bgp_filter.c: Fix aslist->name use without allocation check, and also fix memory leak. * bgpd/bgp_main.c: Created bgp_exit() exit routine. This function frees allocations made as part of bgpd initialization and, to some extent, configuration. If "debug bgp" is configured, memory stats are printed as described above. * bgpd/bgp_nexthop.c: zclient_new() already allocates stream for ibuf/obuf, so bgp_scan_init() shouldn't do it too. Also, made it so zlookup is global so bgp_exit() can use it. * bgpd/bgp_packet.c: bgp_capability_msg_parse() call to bgp_clear_route() adjusted to use new BGP_CLEAR_ROUTE_NORMAL flag. * bgpd/bgp_route.h: Correct reference counter "lock" to be signed. bgp_clear_route() now accepts a bgp_clear_route_type of either BGP_CLEAR_ROUTE_NORMAL or BGP_CLEAR_ROUTE_MY_RSCLIENT. * bgpd/bgp_route.c: - bgp_process_rsclient(): attr was being zero'ed and then bgp_attr_extra_free() was being called with it, even though it was never filled with valid data. - bgp_process_rsclient(): Make sure rsclient->group is not NULL before use. - bgp_processq_del(): Add call to bgp_table_unlock(). - bgp_process(): Add call to bgp_table_lock(). - bgp_update_rsclient(): memset clearing of new_attr not needed since declarationw with "= { 0 }" does it. memset was already commented out. - bgp_update_rsclient(): Fix screwed up misleading indentation. - bgp_withdraw_rsclient(): Fix screwed up misleading indentation. - bgp_clear_route_node(): Support BGP_CLEAR_ROUTE_MY_RSCLIENT. - bgp_clear_node_queue_del(): Add call to bgp_table_unlock() and also free struct bgp_clear_node_queue used for work item. - bgp_clear_node_complete(): Do peer_unlock() after BGP_EVENT_ADD() in case peer is released by peer_unlock() call. - bgp_clear_route_table(): Support BGP_CLEAR_ROUTE_MY_RSCLIENT. Use struct bgp_clear_node_queue to supply data to worker. Add call to bgp_table_lock(). - bgp_clear_route(): Add support for BGP_CLEAR_ROUTE_NORMAL or BGP_CLEAR_ROUTE_MY_RSCLIENT. - bgp_clear_route_all(): Use BGP_CLEAR_ROUTE_NORMAL. Bug 397 fixes: - bgp_default_originate() - bgp_announce_table() * bgpd/bgp_table.h: - struct bgp_table: Added reference count. Changed type of owner to be "struct peer *" rather than "void *". - struct bgp_node: Correct reference counter "lock" to be signed. * bgpd/bgp_table.c: - Added bgp_table reference counting. - bgp_table_free(): Fixed cleanup code. Call peer_unlock() on owner if set. - bgp_unlock_node(): Added assertion. - bgp_node_get(): Added call to bgp_lock_node() to code path that it was missing from. * bgpd/bgp_vty.c: - peer_rsclient_set_vty(): Call peer_lock() as part of peer assignment to owner. Handle failure gracefully. - peer_rsclient_unset_vty(): Add call to bgp_clear_route() with BGP_CLEAR_ROUTE_MY_RSCLIENT purpose. * bgpd/bgp_zebra.c: Made it so zclient is global so bgp_exit() can use it. * bgpd/bgpd.c: - peer_lock(): Allow to be called when status is "Deleted". - peer_deactivate(): Supply BGP_CLEAR_ROUTE_NORMAL purpose to bgp_clear_route() call. - peer_delete(): Common variable listnode pn. Fix bug in which rsclient was only dealt with if not part of a peer group. Call bgp_clear_route() for rsclient, if appropriate, and do so with BGP_CLEAR_ROUTE_MY_RSCLIENT purpose. - peer_group_get(): Use XSTRDUP() instead of strdup() for conf->host. - peer_group_bind(): Call bgp_clear_route() for rsclient, and do so with BGP_CLEAR_ROUTE_MY_RSCLIENT purpose. - bgp_create(): Use XSTRDUP() instead of strdup() for peer_self->host. - bgp_delete(): Delete peers before groups, rather than after. And then rather than deleting rsclients, verify that there are none at this point. - bgp_unlock(): Add assertion. - bgp_free(): Call bgp_table_finish() rather than doing XFREE() itself. * lib/command.c,h: Compiler warning fixes. Add cmd_terminate(). Fixed massive leak in install_element() in which cmd_make_descvec() was being called more than once for the same cmd->strvec/string/doc. * lib/log.c: Make closezlog() check fp before calling fclose(). * lib/memory.c: Catch when alloc count goes negative by using signed counts. Correct #endif comment. Add log_memstats_stderr(). * lib/memory.h: Add log_memstats_stderr(). * lib/thread.c: thread->funcname was being accessed in thread_call() after it had been freed. Rearranged things so that thread_call() frees funcname. Also made it so thread_master_free() cleans up cpu_record. * lib/vty.c,h: Use global command_cr. Add vty_terminate(). * lib/zclient.c,h: Re-enable zclient_free().
* [lib/cleanup] Use a typedef for the thread typePaul Jakma2009-06-301-3/+3
| | | | | * lib/thread.{c,h}: As per subject. This will avoid head-scratching for next person who adds a thread-type and gets strange breakage.
* [lib] Fix timer precision.Joakim Tjernlund2008-11-291-1/+1
| | | | | | | | Whenever a thread adds an timer funcname_thread_add_timer_timeval() gets called to add the timer. Before adding the timer a quagga_gettimeofday() call is made to do some time house keeping. However quagga_gettimeofday() only updates recent_time, not relative_time that is used to calculate the alarm_time. Replace with quagga_get_relative (NULL)
* [lib] hash compare function arguments ought to be const qualifiedStephen Hemminger2008-08-221-3/+3
| | | | | | | | | | | | 2008-08-14 Stephen Hemminger <stephen.hemminger@vyatta.com> * lib/hash.h: (struct hash) Hash comparator callback really ought to treat storage behind arguments as constant - a compare function with side-effects would be evil. * */*.c: Adjust comparator functions similarly, thus fixing at least a few compiler warnings about const qualifier being dropped. Signed-off-by: Paul Jakma <paul@quagga.net>
* [lib] Bug #134: threads should be more robust against backward time jumpsPaul Jakma2006-08-271-15/+164
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2006-08-25 Paul Jakma <paul.jakma@sun.com> * thread.c: (general) Add support for monotonic clock, it may still jump forward by huge amounts, but should be immune to going backwards. Fixes bug #134. (quagga_gettimeofday_relative_adjust) helper, does what name says - adjusts gettimeofday based relative timer. (quagga_gettimeofday) helper to keep recent_time up to date. (quagga_get_relative) helper, update and getch the relative timer using gettimeofday(). POSIX CLOCK_MONOTONIC is also supported, but the code is not enabled yet nor tested. (quagga_real_stabilised) helper, retrieve absolute time but stabilised so as to never decrease. (quagga_gettime) Exported interface, analogous to POSIX clock_gettime() in interface, supporting several clocks. (quagga_time) Exported interface, analogous to traditional time(), will never decrease. (recent_relative_time) Convenience function to retrieve relative_time timeval, similar to existing recent_time absolute timeval, for when an approximately recent value will do. (remainder) Update to use above helpers. (thread_getrusage) Previously was a macro, but needs to be a function to twiddle with thread.c private stuff. * thread.c: Point the GETRUSAGE macro at previous function. Export quagga_gettime, quagga_time and recent_relative_time for general use.
* [lib] Optimise thread_call by caching pointer to thread history in the threadPaul Jakma2006-07-251-14/+25
| | | | | | | | | | | 2006-07-25 Paul Jakma <paul.jakma@sun.com> * thread.h: (struct thread) Add a cache pointer to the struct cpu_thread_history, if it is known - saving hash lookup on each thread_call. * thread.c: (thread_call) Cache the pointer to the cpu_thread_history, so that future thread_calls of same thread can avoid the hash_lookup.
* 2005-05-19 Paul Jakma <paul@dishone.st>paul2005-05-191-1/+4
| | | | | | * thread.c: (thread_cancel_event) the number of pending events cancelled is potentially useful information, dont throw it away, pass it back to the caller.
* 2005-05-06 Paul Jakma <paul@dishone.st>paul2005-05-061-17/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | * (general) extern and static'ification of functions in code and header. Cleanup any definitions with unspecified arguments. Add casts for callback assignments where the callback is defined, typically, as passing void *, but the function being assigned has some other pointer type defined as its argument, as gcc complains about casts from void * to X* via function arguments. Fix some old K&R style function argument definitions. Add noreturn gcc attribute to some functions, as appropriate. Add unused gcc attribute to some functions (eg ones meant to help while debugging) Add guard defines to headers which were missing them. * command.c: (install_node) add const qualifier, still doesnt shut up the warning though, because of the double pointer. (cmp_node) ditto * keychain.c: (key_str2time) Add GET_LONG_RANGE() macro, derived fromn vty.h ones to fix some of the (long) < 0 warnings. * thread.c: (various) use thread_empty (cpu_record_hash_key) should cast to uintptr_t, a stdint.h type * vty.h: Add VTY_GET_IPV4_ADDRESS and VTY_GET_IPV4_PREFIX so they removed from ospfd/ospf_vty.h * zebra.h: Move definition of ZEBRA_PORT to here, to remove dependence of lib on zebra/zserv.h
* 2005-04-27 Andrew J. Schorr <ajschorr@alumni.princeton.edu>ajs2005-04-281-123/+116
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add wall-clock timing statistics to 'show thread cpu' output. * thread.h: Define struct rusage_t to contain wall-clock time and cpu time. Change GETRUSAGE macro to collect both pieces of data. Make appropriate changes to struct cpu_thread_history to track CPU time and real time. Change proto for thread_consumed_time to return real and cpu time elapsed. And declare a new global variable 'struct timeval recent_time'. * thread.c (struct timeval recent_time): New global timestamp variable. (timeval_adjust): If timeout is negative, set to 0 (not 10 microseconds). And remove upper bound of 1,000,000 seconds, since this does not seem to make any sense (and it breaks funcname_thread_add_timer_timeval). (timeval_cmp): Should return long, not int. (vty_out_cpu_thread_history): Show CPU time and real time. (cpu_record_hash_print): Calculate totals for CPU and real time. (cpu_record_print): Change 'show thread cpu' title to show CPU and real time. (thread_timer_remain_second): Put current time in global recent_time. (funcname_thread_add_timer_timeval): Fix assert. Replace 2-case switch assignment with a ternary expression. Use global recent_time variable. Fix use of timeval_adjust (previously, the value was not actually being adjusted). (thread_cancel): Add missing "break" statement in case THREAD_BACKGROUND. (thread_timer_wait): Use global recent_time value instead of calling gettimeofday. And there's no need to check for negative timeouts, since timeval_subtract already sets these to zero. (thread_timer_process): Timers are sorted, so bail out once we encounter a timer that has not yet popped. And remove some extraneous asserts. (thread_fetch): Do not process foreground timers before calling select. Instead, add them to the ready list just after the select. Also, no need to maintain a count of the number of ready threads, since we don't care how many there are, just whether there's one at the head of the ready list (which is easily checked). Stick current time in global variable recent_time to reduce the number of calls to gettimeofday. Tighten logic for calculating the select timeout. (thread_consumed_time): Now returns real time and puts the elapsed cpu time in an additional argument. (thread_should_yield): Use real (wall-clock) time to decide whether to yield. (thread_call): Maintain CPU and real time statistics. * vty.c (vty_command): For slow commands, show real and cpu time.
* 2005-04-25 Paul Jakma <paul.jakma@sun.com>paul2005-04-251-48/+0
| | | | * thread.c: Kill unused TIMER_NO_SORT bits
* 2005-04-22 Paul Jakma <paul.jakma@sun.com>paul2005-04-221-99/+184
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * thread.h: Add background thread type and thread_add_background macro and accompanying funcname_... function. export thread_should_yield, background threads can use it. Lower thread yield time to 10ms, 100ms is noticeable lag and a thread would only be /starting/ to finish sometime afterward. * thread.c: (general) Add background thread type and schedule nearly all thread types through the ready list for fairness. (timeval_adjust) static qualifier missing (vty_out_cpu_thread_history) add support for printout of background threads (show_thread_cpu) ditto. (thread_master_debug) add debug of background list (thread_master_create) fixup long line (thread_add_unuse) add asserts for required state. (thread_master_free) free background thread list (funcname_thread_add_timer_timeval) make generic, able to support arbitrary timer-like thread types. (funcname_thread_add_timer) pass thread type to .._add_timer_timeval (funcname_thread_add_timer_msec) ditto (funcname_thread_add_background) Add a background thread, with an optional millisecond delay factor, using .._add_timer_timeval. (thread_cancel) Add background thread type. Move the thread_list_delete common to all cases to bottom of function, after the switch statement.. (thread_cancel_event) indent (thread_timer_wait) Static qualifier, and make it able to cope with arbitrary timer-like thread lists, so its of use to background threads too. (thread_process_fd) static qualifier. Again, make it take a list reference rather than thread_master. Fix indentation. (thread_timer_process) Check for ready timer-like threads in the given list and move them on to the ready list - code originally embedded in thread_fetch. (thread_fetch) Schedule all threads, other than events, through the ready list, to ensure fairness. Timer readying code moved to thread_timer_process so it can be reused for background threads. Remove the unneeded quagga_sigevent_process, as pointed out by John Lin <john.ch.lin@gmail.com>. (thread_should_yield) make this available.
* 2005-04-16 Andrew J. Schorr <ajschorr@alumni.princeton.edu>ajs2005-04-161-8/+14
| | | | | | | | | | | | | | | | | | | * configure.ac: Added AC_ARG_ENABLE(time-check). By default, warning messages will now be printed for threads or commands that take longer than 5 seconds, but this configure argument can be used to disable the checks or change the threshold. * thread.h (thread_consumed_time): Declare new function to calculate elapsed microseconds. * thread.c (thread_consumed_time): Must be global not static so we can call it from lib/vty.c:vty_command. (thread_should_yield): Surround with `#if 0' to make clear that this function is not currently being used anywhere. (thread_call): If CONSUMED_TIME_CHECK is defined, print a CPU HOG warning message if the thread takes more than CONSUMED_TIME_CHECK microseconds. * vty.c (vty_command): If CONSUMED_TIME_CHECK is defined, print a CPU HOG warning message if the command takes more than CONSUMED_TIME_CHECK microseconds.
* 2004-12-28 Andrew J. Schorr <ajschorr@alumni.princeton.edu>ajs2004-12-281-4/+2
| | | | * thread.c: (funcname_thread_add_timer_msec) Reduce overflow risk.
* 2004-11-19 Andrew J. Schorr <ajschorr@alumni.princeton.edu>ajs2004-11-201-1/+1
| | | | | * global: Replace strerror with safe_strerror. And vtysh/vtysh.c needs to include "log.h" to pick up the declaration.
* 2004-10-31 Paul Jakma <paul@dishone.st>paul2004-10-311-2/+1
| | | | * thread.c: Use XCALLOC and sizeof the type, not the pointer.
* 2004-10-31 Paul Jakma <paul@dishone.st>paul2004-10-311-7/+8
| | | | | | * memory.h: Add MTYPE_THREAD_FUNCNAME and MTYPE_THREAD_STATS * thread.c: Update stats and funcname alloc/free to use previous specific memory type defines
* 2004-10-11 Paul Jakma <paul@dishone.st>paul2004-10-111-3/+3
| | | | | | * thread.c: (funcname_thread_add_timer) (funcname_thread_add_timer_msec) Fix mistakes from last change. Pointed out by Liu Xin in [quagga-dev 1609].
* Number of warnings is down to 3 again in lib directory. A lot of const'shasso2004-10-051-9/+9
| | | | added to strings and a lot of int -> unsigned int changes.
* 2004-10-05 Paul Jakma <paul@dishone.st>paul2004-10-051-34/+33
| | | | | | | * thread.c: (funcname_thread_add_timer_timeval) new function, add timer at specified timeval. (funcname_thread_add_timer) use funcname_thread_add_timer_timeval. (funcname_thread_add_timer_msec) ditto
* 2004-07-14 Paul Jakma <paul@dishone.st>paul2004-07-221-17/+25
| | | | | | | | | | | | | | | | | * sigevent.c: (quagga_signal_handler) add a global caught flag, set the flags to a constant rather increment to be kinder. (quagga_sigevent_process) new function, to do core of what quagga_signal_timer did. dont block signals at all as sig->caught is volatile sig_atomic_t and should be safe to access from signal and normal contexts. The signal blocking is unneeded paranoia, but is left intact under an ifdef, should some platform require it. Check global caught flag before iterating through array. (quagga_signal_timer) nearly everything moved to quagga_sigevent_process. Left in under ifdef, in case some platform could use a regular timer check for signals. * sigevent.h: quagga_sigevent_process declaration. * thread.c: (thread_fetch) check for signals at beginning of scheduler loop, check for signals if select returns EINTR.
* Merge isisd into the Quagga's framework:jardin2003-12-231-0/+40
| | | | | | | | | | - add privs support - use misc quagga's definitions - make it compile"able" - fix segfault cases related to hostname() - add debug isis xxx command This patch has been approved by Paul Jakma.
* Need to free the defunct funcname if we grab a thread from the unused list.paul2003-03-271-1/+7
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* Fix memory leak in 'show thread cpu' command.paul2003-03-121-1/+2
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