new software on the server, ..., almost done
Carter Bullard
carter at qosient.com
Mon Sep 10 14:15:23 EDT 2007
Sorry, I messed up with one of them.
(gdb) print *(struct ether_header *)model->ArgusThisEpHdr
Carter
On Sep 10, 2007, at 2:00 PM, Michael Hornung wrote:
> (gdb) print model->ArgusThisNetworkFlowType
> $9 = 2054
>
> (gdb) print model->ArgusThisLength
> $10 = 90
>
> (gdb) print model->ArgusSnapLength
> $11 = 52
>
> (gdb) print (struct ether_header *)model->ArgusThisEpHdr
> $12 = (struct ether_header *) 0x859fffa
>
> (gdb) up
> #2 0x0804f531 in ArgusProcessPacket (model=0x859f008, p=0x859fffa "",
> length=90, tvp=0xbfe06d10, type=0) at ArgusModeler.c:1072
> 1072 if ((nflow = ArgusNewFlow(model, model-
> >ArgusThisFlow,
> model->hstruct, model->ArgusStatusQueue)) != NULL)
>
> (gdb) x/32x p
> 0x859fffa: 0xb3f21400 0x18004cb1 0xccc31574
> 0x00450800
> 0x85a000a: 0x17584c00 0x2ffdb900 0x5b4550c0
> 0x1cacfe87
> 0x85a001a: 0x0c06ec2a 0x0c080608 0x0608060c
> 0x0d070c09
> 0x85a002a: 0x090d0709 0x06090f06 0x0f06070f
> 0x080f0607
> 0x85a003a: 0x07081007 0x10070810 0x08100708
> 0x07081007
> 0x85a004a: 0x0e040510 0x050d0304 0x87af1006
> 0x8a0a5827
> 0x85a005a: 0x00890000 0x10800000 0x00002000
> 0x71e50000
> 0x85a006a: 0x0000cb2d 0x00000000 0x00000000
> 0xe1460000
>
> -Mike
>
> On Mon, 10 Sep 2007 at 13:57, Carter Bullard wrote:
>
> |Great, unfortunately there is more information that is needed:
> | (gdb) print model->ArgusThisNetworkFlowType
> | (gdb) print model->ArgusThisLength
> | (gdb) print model->ArgusSnapLength
> | (gdb) print (struct ether_header *)model->ArgusThisEpHdr
> |
> |And then assuming your context is in ArgusNewFlow
> | (gdb) up
> |
> |That should put you in ArgusProcessPacket
> | (gdb) x/32x p
> |
> |Thanks for all the help!!!!!
> |
> |Carter
> |
> |
> |On Sep 10, 2007, at 1:19 PM, Michael Hornung wrote:
> |
> |> (gdb) print model->ArgusThisSnapLen
> |> There is no member named ArgusThisSnapLen.
> |>
> |> (gdb) print model->ArgusThisSnapEnd
> |> $4 = (unsigned char *) 0x85a0054 "�\207'X\n\212"
> |>
> |> (gdb) print model->ArgusThisEpHdr
> |> $5 = (struct ether_header *) 0x859fffa
> |>
> |> (gdb) print model->ArgusThisNetworkHdr
> |> $6 = (void *) 0x0
> |>
> |> (gdb) print *((struct arphdr *)model->ArgusThisUpHdr)
> |> $7 = {ar_hrd = 3080, ar_pro = 1548, ar_hln = 8 '\b', ar_pln = 6
> '\006',
> |> ar_op = 3081}
> |>
> |> (gdb) x/32x model->ArgusThisUpHdr
> |> 0x85a0020: 0x060c0c08 0x0c090608 0x07090d07
> 0x0f06090d
> |> 0x85a0030: 0x070f0609 0x06070f06 0x1007080f
> 0x08100708
> |> 0x85a0040: 0x07081007 0x10070810 0x05100708
> 0x03040e04
> |> 0x85a0050: 0x1006050d 0x582787af 0x00008a0a
> 0x00000089
> |> 0x85a0060: 0x20001080 0x00000000 0xcb2d71e5
> 0x00000000
> |> 0x85a0070: 0x00000000 0x00000000 0x60d2e146
> 0x24210c00
> |> 0x85a0080: 0x61d246e1 0xb60d0800 0x00000003
> 0x3c000500
> |> 0x85a0090: 0x00000000 0x00000000 0x00000000
> 0x00000000
> |>
> |> -Mike
> |>
> |> On Mon, 10 Sep 2007 at 13:08, Carter Bullard wrote:
> |>
> |> |So it looks quickly like your trying to build an Arp flow key,
> for either
> |> an
> |> |illegal op code, or you didn't get enough data in the snaplen
> to get
> |> |all the arp information. So, if you still have the info, lets
> dump the
> |> packet
> |> |contents, and I'll try to figure it out:
> |> |
> |> | (gdb) print model->ArgusThisSnapLen
> |> | (gdb) print model->ArgusThisSnapEnd
> |> | (gdb) print model->ArgusThisEpHdr
> |> | (gdb) print model->ArgusThisNetworkHdr
> |> |
> |> | (gdb) print *((struct arphdr *)model->ArgusThisUpHdr)
> |> | (gdb) x/32x model->ArgusThisUpHdr
> |> |
> |> |Carter
> |> |
> |> |On Sep 10, 2007, at 11:45 AM, Michael Hornung wrote:
> |> |
> |> |> (gdb) print *flow
> |> |> $1 = {hdr = {type = 2 '\002', subtype = 6 '\006', dsr_un =
> {fl = {data =
> |> |> 0},
> |> |> vl8 = {qual = 0 '\0', len = 0 '\0'}, vl16 = {len = 0}}},
> flow_un = {
> |> |> ipv6 = {ip_src = {0, 0, 0, 0}, ip_dst = {0, 0, 0, 0}, flow
> = 0, resv =
> |> |> 0,
> |> |> ip_p = 0, sport = 0, dport = 0}, ip = {ip_src = 0,
> ip_dst = 0,
> |> |> ip_p = 0 '\0', tp_p = 0 '\0', sport = 0, dport = 0, pad
> = 0}, mac =
> |> |> {
> |> |> ehdr = {ether_dhost = "\000\000\000\000\000",
> |> |> ether_shost = "\000\000\000\000\000", ether_type = 0},
> dsap = 0
> |> |> '\0',
> |> |> ssap = 0 '\0'}, icmpv6 = {ip_src = {0, 0, 0, 0}, ip_dst
> = {0, 0, 0,
> |> |> 0},
> |> |> flow = 0, resv = 0, ip_p = 0, type = 0 '\0', code = 0
> '\0', id = 0},
> |> |> icmp = {ip_src = 0, ip_dst = 0, ip_p = 0 '\0', tp_p = 0 '\0',
> |> |> type = 0 '\0', code = 0 '\0', id = 0, ip_id = 0}, igmpv6
> = {ip_src =
> |> |> {0,
> |> |> 0, 0, 0}, ip_dst = {0, 0, 0, 0}, flow = 0, resv = 0,
> ip_p = 0,
> |> |> type = 0 '\0', code = 0 '\0', pad = 0}, igmp = {ip_src =
> 0, ip_dst =
> |> |> 0,
> |> |> ip_p = 0 '\0', tp_p = 0 '\0', type = 0 '\0', code = 0
> '\0', pad = 0,
> |> |> ip_id = 0}, espv6 = {ip_src = {0, 0, 0, 0}, ip_dst = {0,
> 0, 0, 0},
> |> |> flow = 0, resv = 0, ip_p = 0, spi = 0}, esp = {ip_src =
> 0, ip_dst =
> |> |> 0,
> |> |> ip_p = 0 '\0', tp_p = 0 '\0', pad = 0, spi = 0}, arp =
> {hrd = 0,
> |> |> pro = 0, hln = 0 '\0', pln = 0 '\0', op = 0, arp_spa =
> 0, arp_tpa =
> |> |> 0,
> |> |> haddr = {{ethernet = "\000\000\000\000\000",
> |> |> ib = '\0' <repeats 31 times>, ieee1394 = '\0'
> <repeats 15
> |> |> times>,
> |> |> framerelay = "\000\000\000", tokenring = "\000\000
> \000\000\000",
> |> |> arcnet = "", fiberchannel = '\0' <repeats 11 times>,
> |> |> atm = '\0' <repeats 19 times>}}}, rarp = {hrd = 0,
> pro = 0,
> |> |> hln = 0 '\0', pln = 0 '\0', op = 0, arp_tpa = 0, shaddr
> = {{
> |> |> ethernet = "\000\000\000\000\000", ib = '\0'
> <repeats 31 times>,
> |> |> ieee1394 = '\0' <repeats 15 times>, framerelay =
> "\000\000\000",
> |> |> tokenring = "\000\000\000\000\000", arcnet = "",
> |> |> fiberchannel = '\0' <repeats 11 times>,
> |> |> atm = '\0' <repeats 19 times>}}, dhaddr = {{
> |> |> ethernet = "\000\000\000\000\000", ib = '\0'
> <repeats 31 times>,
> |> |> ieee1394 = '\0' <repeats 15 times>, framerelay =
> "\000\000\000",
> |> |> tokenring = "\000\000\000\000\000", arcnet = "",
> |> |> fiberchannel = '\0' <repeats 11 times>,
> |> |> atm = '\0' <repeats 19 times>}}}, fragv6 = {ip_src =
> {0, 0, 0,
> |> |> 0},
> |> |> ip_dst = {0, 0, 0, 0}, flow = 0, resv = 0, ip_p = 0,
> ip_id = 0},
> |> |> frag = {
> |> |> ip_src = 0, ip_dst = 0, ip_p = 0 '\0', tp_p = 0 '\0',
> pad = {0, 0},
> |> |> ip_id = 0}}}
> |> |>
> |> |>
> |> |> (gdb) print *hstruct
> |> |> $3 = {len = 0, hash = 0, key = {0 <repeats 24 times>}}
> |> |>
> |> |>
> |> |> -Mike
> |> |>
> |> |> On Sun, 9 Sep 2007 at 16:52, Carter Bullard wrote:
> |> |>
> |> |> |OK, well like I said earlier, we need to know what kind of
> packet this
> |> is,
> |> |> |and the flow struct that we created as the key to the flow
> should tell
> |> us.
> |> |> |
> |> |> |So, in gdb:
> |> |> |
> |> |> |(gdb) print *flow
> |> |> |
> |> |> |in ArgusNewFlow() will give us most of the info we need.
> |> |> |But in addition, we should also get the contents of the
> hstruct:
> |> |> |
> |> |> |(gdb) print *hstruct
> |> |> |
> |> |> |that should tell us enough in this situation.
> |> |> |
> |> |> |Carter
> |> |> |
> |> |> |On Sep 7, 2007, at 6:27 PM, Michael Hornung wrote:
> |> |> |
> |> |> |> Here's where it gets me:
> |> |> |>
> |> |> |> (gdb) run
> |> |> |> Starting program: /usr/local/sbin/argus
> |> |> |> ArgusWarning: argus[29876]: 07 Sep 07 15:19:15.920346
> started
> |> |> |> ArgusWarning: argus[29876]: 07 Sep 07 15:19:15.920527
> |> |> |> ArgusGetInterfaceStatus: interface eth2 is up
> |> |> |> ArgusInfo: argus[29876]: 07 Sep 07 15:19:18.541138
> connect from
> |> |> |> marathon.cac.washington.edu
> |> |> |>
> |> |> |> Program received signal SIGSEGV, Segmentation fault.
> |> |> |> 0x4c13e663 in bcopy () from /lib/libc.so.6
> |> |> |>
> |> |> |> (gdb) bt full
> |> |> |> #0 0x4c13e663 in bcopy () from /lib/libc.so.6
> |> |> |> No symbol table info available.
> |> |> |> #1 0x0804ff55 in ArgusNewFlow (model=0x8fab008,
> flow=0x8fab3a8,
> |> |> |> hstruct=0x8fab310, queue=0x8fab380) at ArgusModeler.c:1469
> |> |> |> retn = (struct ArgusFlowStruct *) 0x9281420
> |> |> |> timeout = 5
> |> |> |> userlen = 0
> |> |> |> #2 0x0804ef30 in ArgusProcessPacket (model=0x8fab008,
> p=0x8fac1ea "",
> |> |> |> length=90, tvp=0xbfd68c70, type=0) at ArgusModeler.c:1072
> |> |> |> retn = 0
> |> |> |> tflow = (struct ArgusSystemFlow *) 0x8fab3a8
> |> |> |> flow = (struct ArgusFlowStruct *) 0x0
> |> |> |> nflow = (struct ArgusFlowStruct *) 0x9eb7b80
> |> |> |> ptr = 0x8fac1ea ""
> |> |> |> value = 0
> |> |> |> #3 0x0805655b in ArgusEtherPacket (user=0xb7ed9008 "",
> h=0xbfd68c70,
> |> |> |> p=0x8fac1ea "") at ArgusSource.c:683
> |> |> |> ep = (struct ether_header *) 0x8fac1ea
> |> |> |> ind = 0
> |> |> |> src = (struct ArgusSourceStruct *) 0xb7ed9008
> |> |> |> tvp = (struct timeval *) 0xbfd68c70
> |> |> |> caplen = 90
> |> |> |> length = 90
> |> |> |> statbuf = {st_dev = 578110229122026696, __pad1 =
> 45768,
> |> |> |> __st_ino = 3218508768, st_mode = 3218508904, st_nlink =
> 1275960740,
> |> |> |> st_uid = 3086401536, st_gid = 1935745139, st_rdev =
> |> 5480000866624733183,
> |> |> |> __pad2 = 41952, st_size = -4623353967097284856, st_blksize =
> |> 1275861536,
> |> |> |> st_blocks = -5190746013132413544, st_atim = {tv_sec = 1,
> tv_nsec = 1},
> |> |> |> st_mtim = {tv_sec = 0, tv_nsec = 4589194}, st_ctim =
> {tv_sec =
> |> 4583424,
> |> |> |> tv_nsec = 164972}, st_ino = 20393674228473252}
> |> |> |> #4 0x00464517 in pcap_open_live () from /usr/lib/
> libpcap.so.0.9.4
> |> |> |> No symbol table info available.
> |> |> |> #5 0x00464987 in pcap_dispatch () from /usr/lib/
> libpcap.so.0.9.4
> |> |> |> No symbol table info available.
> |> |> |> #6 0x080585c1 in ArgusGetPackets (src=0xb7ed9008) at
> |> ArgusSource.c:1730
> |> |> |> ArgusReadMask = {__fds_bits = {128, 0 <repeats 31
> times>}}
> |> |> |> ArgusWriteMask = {__fds_bits = {0 <repeats 32 times>}}
> |> |> |> ArgusExceptMask = {__fds_bits = {0 <repeats 32
> times>}}
> |> |> |> tmp = 1
> |> |> |> i = 0
> |> |> |> width = 7
> |> |> |> noerror = 1
> |> |> |> fd = 7
> |> |> |> found = 1
> |> |> |> up = 1
> |> |> |> wait = {tv_sec = 0, tv_usec = 20000}
> |> |> |> #7 0x0804b687 in main (argc=1, argv=0xbfd69084) at
> argus.c:567
> |> |> |> commandlinew = 0
> |> |> |> doconf = 0
> |> |> |> dodebug = 0
> |> |> |> i = 1
> |> |> |> pid = 0
> |> |> |> tmparg = 0x0
> |> |> |> filter = 0x0
> |> |> |> statbuf = {st_dev = 64768, __pad1 = 0, __st_ino =
> 36308349,
> |> |> |> st_mode = 33188, st_nlink = 1, st_uid = 0, st_gid = 0,
> st_rdev = 0,
> |> |> |> __pad2 = 0, st_size = 11781, st_blksize = 4096, st_blocks
> = 32,
> |> st_atim
> |> |> |> = {
> |> |> |> tv_sec = 1189199340, tv_nsec = 0}, st_mtim = {tv_sec =
> 1189199328,
> |> |> |> tv_nsec = 0}, st_ctim = {tv_sec = 1189199328, tv_nsec =
> 0},
> |> |> |> st_ino = 36308349}
> |> |> |> op = -1
> |> |> |> commandlinei = 0
> |> |> |> path = "/etc/argus.conf\000argus", '\0' <repeats
> 8170 times>
> |> |> |>
> |> |> |> (gdb) up
> |> |> |> #1 0x0804ff55 in ArgusNewFlow (model=0x8fab008,
> flow=0x8fab3a8,
> |> |> |> hstruct=0x8fab310, queue=0x8fab380) at ArgusModeler.c:1469
> |> |> |> 1469 bcopy ((char *)&flow->flow_un, (char
> |> |> |> *)&retn->canon.flow.flow_un, (flow->hdr.argus_dsrvl8.len -
> 1) * 4);
> |> |> |>
> |> |> |> (gdb) print (char *)&flow->flow_un
> |> |> |> $1 = 0x8fab3ac ""
> |> |> |>
> |> |> |> (gdb) print (char *)&retn->canon.flow.flow_un
> |> |> |> $3 = 0x92815b4 ""
> |> |> |>
> |> |> |> (gdb) print flow->hdr.argus_dsrvl8.len
> |> |> |> There is no member named argus_dsrvl8.
> |> |> |>
> |> |> |> Hrmm.
> |> |> |>
> |> |> |> -Mike
> |> |> |>
> |> |> |> On Fri, 7 Sep 2007 at 17:04, Carter Bullard wrote:
> |> |> |>
> |> |> |> |I think I found something that could be the cause of your
> problem,
> |> |> |> |although its a medium shot (as opposed to a long shot ;o)
> |> |> |> |
> |> |> |> |I'll have a new argus and clients up on the server, and
> it could fix
> |> |> |> |Michael's problem as well, only because there are
> multiple changes
> |> |> |> |in this update.
> |> |> |> |
> |> |> |> |So for Peter, I have a few more checks, and we shouldn't
> die if we
> |> |> |> |have your problem, now (should not die). For Michael, I
> put in some
> |> |> |> |checks for zero length hash structs, and we should
> survive them
> |> |> |> |much better.
> |> |> |> |
> |> |> |> |Carter
> |> |> |> |
> |> |> |> |On Sep 7, 2007, at 2:20 PM, Peter Van Epp wrote:
> |> |> |> |
> |> |> |> |> On Fri, Sep 07, 2007 at 12:36:38PM -0400, Carter
> Bullard wrote:
> |> |> |> |> > Hey Peter,
> |> |> |> |> > Well that is good news!!!
> |> |> |> |> >
> |> |> |> |> > So there is another update, to support ARP functions
> for IP over
> |> |> |> |> > Inifiniband and
> |> |> |> |> > ATM, which is a pretty big change, as the physical
> addresses (mac
> |> |> |> |> > addresses)
> |> |> |> |> > can be rather large (physical address for infiniband
> is what 32
> |> bytes
> |> |> |> |> > long.
> |> |> |> |> > So the flow model for ARP had to change to
> accommodate that.
> |> |> |> |> >
> |> |> |> |> > I'll put it and new matching clients up later today,
> or on Sunday,
> |> |> |> |> > depending on
> |> |> |> |> > how far I get on documentation, etc...., If someone is
> |> interested
> |> |> |> |> > in monitoring
> |> |> |> |> > IP over infinifband on there OpenIB adapter this
> weekend, yell and
> |> |> |> |> > I'll put it up
> |> |> |> |> > sooner.
> |> |> |> |> >
> |> |> |> |> > Carter
> |> |> |> |>
> |> |> |> |> Unfortunatly it didn't hold (must be traffic of some
> kind). It
> |> |> looks
> |> |> |> |> like the problem is that retn->dsrs[i] is NULL which
> makes copying
> |> in
> |> |> to
> |> |> |> |> it difficult :-).
> |> |> |> |>
> |> |> |> |> test4:/var/log/argus vanepp$ ra3 -r
> |> |> |> |>
> |> |> |>
> |> |>
> |> /archive/argus3/com_argus.archive/2007/09/07/com_argus.
> 2007.09.07.09.00.00.0.gz
> |> |> |> |> -n >t
> |> |> |> |> ra3(10073,0xa000ed88) malloc: *** vm_allocate
> (size=8421376) failed
> |> |> (error
> |> |> |> |> code=3)
> |> |> |> |> ra3(10073,0xa000ed88) malloc: *** error: can't allocate
> region
> |> |> |> |> ra3(10073,0xa000ed88) malloc: *** set a breakpoint in
> szone_error to
> |> |> debug
> |> |> |> |> Bus error (core dumped)
> |> |> |> |> test4:/var/log/argus vanepp$ ls /cores
> |> |> |> |> core.10073 core.5848
> |> |> |> |> test4:/var/log/argus vanepp$ ls -l /cores
> |> |> |> |> total 8574696
> |> |> |> |> -r-------- 1 vanepp admin 2191327232 Sep 7 11:15
> core.10073
> |> |> |> |> -r-------- 1 vanepp admin 2198917120 Sep 6 19:03
> core.5848
> |> |> |> |> test4:/var/log/argus vanepp$ gdb ra3 /cores/core.10073
> |> |> |> |> GNU gdb 6.3.50-20050815 (Apple version gdb-563) (Wed
> Jul 19 05:17:43
> |> |> GMT
> |> |> |> |> 2006)
> |> |> |> |> Copyright 2004 Free Software Foundation, Inc.
> |> |> |> |> GDB is free software, covered by the GNU General Public
> License, and
> |> |> you
> |> |> |> are
> |> |> |> |> welcome to change it and/or distribute copies of it
> under certain
> |> |> |> conditions.
> |> |> |> |> Type "show copying" to see the conditions.
> |> |> |> |> There is absolutely no warranty for GDB. Type "show
> warranty" for
> |> |> |> details.
> |> |> |> |> This GDB was configured as "powerpc-apple-
> darwin"...Reading symbols
> |> for
> |> |> |> |> shared libraries .. done
> |> |> |> |>
> |> |> |> |> Core was generated by `/usr/local/bin/ra3'.
> |> |> |> |> #0 0xffff8a74 in ___memcpy () at
> |> |> |> |>
> |> |> |>
> |> |>
> |> /System/Library/Frameworks/System.framework/PrivateHeaders/ppc/
> cpu_capabilities.h:189
> |> |> |> |> 189
> |> |> |> |>
> |> |> |>
> |> |>
> |> /System/Library/Frameworks/System.framework/PrivateHeaders/ppc/
> cpu_capabilities.h:
> |> |> |> |> No such file or directory.
> |> |> |> |> in
> |> |> |> |>
> |> |> |>
> |> |>
> |> /System/Library/Frameworks/System.framework/PrivateHeaders/ppc/
> cpu_capabilities.h
> |> |> |> |> (gdb) where
> |> |> |> |> #0 0xffff8a74 in ___memcpy () at
> |> |> |> |>
> |> |> |>
> |> |>
> |> /System/Library/Frameworks/System.framework/PrivateHeaders/ppc/
> cpu_capabilities.h:189
> |> |> |> |> #1 0x0005c804 in ArgusCopyRecordStruct (rec=0x405234) at
> |> |> |> |> ./argus_client.c:3359
> |> |> |> |> #2 0x0000979c in RaScheduleRecord (parser=0x288000,
> argus=0x405234)
> |> at
> |> |> |> |> ./argus_util.c:840
> |> |> |> |> #3 0x00009c2c in ArgusHandleDatum (parser=0x288000,
> input=0x405000,
> |> |> |> |> ptr=0x632bc4, filter=0x299f40) at ./argus_util.c:919
> |> |> |> |> #4 0x00056e34 in ArgusReadStreamSocket (parser=0x288000,
> |> |> input=0x405000)
> |> |> |> at
> |> |> |> |> ./argus_client.c:1638
> |> |> |> |> #5 0x0005713c in ArgusReadFileStream (parser=0x288000,
> |> input=0x405000)
> |> |> at
> |> |> |> |> ./argus_client.c:1700
> |> |> |> |> #6 0x00003b44 in main (argc=4, argv=0xbffffc18) at
> |> ./argus_main.c:238
> |> |> |> |> (gdb) up
> |> |> |> |> #1 0x0005c804 in ArgusCopyRecordStruct (rec=0x405234) at
> |> |> |> |> ./argus_client.c:3359
> |> |> |> |> 3359 bcopy (rec->dsrs[i],
> retn->dsrs[i],
> |> |> size +
> |> |> |> |> 8);
> |> |> |> |> (gdb) print rec->dsrs[i]
> |> |> |> |> $1 = (struct ArgusDSRHeader *) 0x45550c
> |> |> |> |> (gdb) print *rec->dsrs[i]
> |> |> |> |> $2 = {
> |> |> |> |> type = 80 'P',
> |> |> |> |> subtype = 160 '?',
> |> |> |> |> dsr_un = {
> |> |> |> |> fl = {
> |> |> |> |> data = 130
> |> |> |> |> },
> |> |> |> |> vl8 = {
> |> |> |> |> qual = 0 '\0',
> |> |> |> |> len = 130 '?'
> |> |> |> |> },
> |> |> |> |> vl16 = {
> |> |> |> |> len = 130
> |> |> |> |> }
> |> |> |> |> }
> |> |> |> |> }
> |> |> |> |> (gdb) print retn->dsrs[i]
> |> |> |> |> $3 = (struct ArgusDSRHeader *) 0x0
> |> |> |> |> (gdb) print *retn->dsrs[i]
> |> |> |> |> $4 = {
> |> |> |> |> type = 0 '\0',
> |> |> |> |> subtype = 0 '\0',
> |> |> |> |> dsr_un = {
> |> |> |> |> fl = {
> |> |> |> |> data = 0
> |> |> |> |> },
> |> |> |> |> vl8 = {
> |> |> |> |> qual = 0 '\0',
> |> |> |> |> len = 0 '\0'
> |> |> |> |> },
> |> |> |> |> vl16 = {
> |> |> |> |> len = 0
> |> |> |> |> }
> |> |> |> |> }
> |> |> |> |> }
> |> |> |> |> (gdb) print *user
> |> |> |> |> $5 = {
> |> |> |> |> hdr = {
> |> |> |> |> type = 80 'P',
> |> |> |> |> subtype = 160 '?',
> |> |> |> |> dsr_un = {
> |> |> |> |> fl = {
> |> |> |> |> data = 130
> |> |> |> |> },
> |> |> |> |> vl8 = {
> |> |> |> |> qual = 0 '\0',
> |> |> |> |> len = 130 '?'
> |> |> |> |> },
> |> |> |> |> vl16 = {
> |> |> |> |> len = 130
> |> |> |> |> }
> |> |> |> |> }
> |> |> |> |> },
> |> |> |> |> size = 512,
> |> |> |> |> count = 512,
> |> |> |> |> array = "=en-us\">"
> |> |> |> |> }
> |> |> |> |> (gdb) print i
> |> |> |> |> $6 = 12
> |> |> |> |>
> |> |> |> |> Peter Van Epp / Operations and Technical Support
> |> |> |> |> Simon Fraser University, Burnaby, B.C. Canada
> |> |> |> |>
> |> |> |> |
> |> |> |>
> |> |> |
> |> |>
> |> |
> |
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