Ben Greear wrote:
> Seems xorp is very fragile when it comes to adding/deleting
> interfaces. I think a lot of these errors should just be warnings,
> not asserts.
And another related to the first:
diff -u -r1.15 fibconfig_entry_set_netlink_socket.cc
--- fibconfig_entry_set_netlink_socket.cc 12 Oct 2007 07:53:47 -0000
1.15
+++ fibconfig_entry_set_netlink_socket.cc 20 Oct 2007 03:10:55 -0000
@@ -256,7 +256,11 @@
break;
const IfTree& iftree = fibconfig().iftree();
const IfTreeInterface* ifp = iftree.find_interface(fte.ifname());
- XLOG_ASSERT(ifp != NULL);
+ if (!ifp) {
+ XLOG_ERROR("Could not find interface: %s, maybe it was just
deleted?\n",
+ fte.ifname().c_str());
+ return XORP_ERROR;
+ }
if (ifp->discard()) {
rtmsg->rtm_type = RTN_BLACKHOLE;
(gdb) bt
#0 0xffffe410 in __kernel_vsyscall ()
#1 0x49d42ee9 in raise () from /lib/libc.so.6
#2 0x49d444f1 in abort () from /lib/libc.so.6
#3 0x08287669 in xlog_fatal (module_name=Could not find the frame base for
"xlog_fatal".
) at xlog.c:435
#4 0x081069a8 in FibConfigEntrySetNetlinkSocket::add_entry (this=0x842ee50,
[EMAIL PROTECTED])
at fibconfig_entry_set_netlink_socket.cc:259
#5 0x0810707d in FibConfigEntrySetNetlinkSocket::add_entry4 (this=0x842ee50,
[EMAIL PROTECTED])
at fibconfig_entry_set_netlink_socket.cc:100
#6 0x0807eee4 in FibConfig::add_entry4 (this=0x77da993c, [EMAIL PROTECTED]) at
fibconfig.cc:1077
#7 0x0805e025 in FibAddEntry4::dispatch (this=0x8473ed8) at
fibconfig_transaction.hh:112
#8 0x082b2387 in TransactionManager::Transaction::commit (this=0x8442eec) at
transaction.cc:59
#9 0x082b0e76 in TransactionManager::commit (this=0x837e910, tid=24373279) at
transaction.cc:201
#10 0x08080684 in FibConfig::commit_transaction (this=0x77da993c, tid=24373279,
[EMAIL PROTECTED])
at fibconfig.cc:135
#11 0x080553ad in XrlFeaTarget::redist_transaction4_0_1_commit_transaction
(this=0x77daa470, [EMAIL PROTECTED])
at xrl_fea_target.cc:2351
#12 0x0817db00 in
XrlFeaTargetBase::handle_redist_transaction4_0_1_commit_transaction
(this=0x77daa470,
[EMAIL PROTECTED]) at fea_base.cc:3230
#13 0x081a894f in XorpMemberCallback2B0<XrlCmdError const, XrlFeaTargetBase,
XrlArgs const&, XrlArgs*>::dispatch (
this=0x8418148, [EMAIL PROTECTED], a2=0x77da14e0) at
../../libxorp/callback_nodebug.hh:4615
#14 0x08256f25 in XrlCmdEntry::dispatch (this=0x84181b4, [EMAIL PROTECTED],
outputs=0x77da14e0) at xrl_cmd_map.hh:37
#15 0x0825da1a in XrlDispatcher::dispatch_xrl (this=0x77da9648, [EMAIL
PROTECTED], [EMAIL PROTECTED],
[EMAIL PROTECTED]) at xrl_dispatcher.cc:60
#16 0x08240d19 in XrlRouter::dispatch_xrl (this=0x77da9648, [EMAIL PROTECTED],
[EMAIL PROTECTED],
[EMAIL PROTECTED]) at xrl_router.cc:587
#17 0x08265efd in STCPRequestHandler::dispatch_request (this=0x847dc20,
seqno=1249, packed_xrl=0x6fd0987c "?",
packed_xrl_bytes=101) at xrl_pf_stcp.cc:235
#18 0x082665d3 in STCPRequestHandler::read_event (this=0x847dc20,
ev=BufferedAsyncReader::DATA,
buffer=0x6fd09864 "STCP\001\001", buffer_bytes=125) at xrl_pf_stcp.cc:199
#19 0x08267bcc in XorpMemberCallback4B0<void, STCPRequestHandler,
BufferedAsyncReader*, BufferedAsyncReader::Event, unsigned char*, unsigned
int>::dispatch (this=0x8446dc0, a1=0x847dc28, a2=BufferedAsyncReader::DATA,
a3=0x6fd09864 "STCP\001\001", a4=125) at
../libxorp/callback_nodebug.hh:8965
#20 0x0828c0b3 in BufferedAsyncReader::announce_event (this=0x847dc28,
ev=BufferedAsyncReader::DATA)
at buffered_asyncio.cc:248
#21 0x0828c3f2 in BufferedAsyncReader::io_event (this=0x847dc28, fd={_filedesc
= 51}, type=IOT_READ)
at buffered_asyncio.cc:201
#22 0x0828cc34 in XorpMemberCallback2B0<void, BufferedAsyncReader, XorpFd,
IoEventType>::dispatch (this=0x847ab18, a1=
{_filedesc = 51}, a2=IOT_READ) at ../libxorp/callback_nodebug.hh:4635
#23 0x082a8766 in SelectorList::Node::run_hooks (this=0x84750dc, m=SEL_RD,
fd={_filedesc = 51}) at selector.cc:149
#24 0x082a73d1 in SelectorList::wait_and_dispatch (this=0x77daa4e4, [EMAIL
PROTECTED]) at selector.cc:435
---Type <return> to continue, or q <return> to quit---
#25 0x0828e5a0 in EventLoop::run (this=0x77daa4a8) at eventloop.cc:137
#26 0x0804d192 in fea_main ([EMAIL PROTECTED], finder_port=19999) at
xorp_fea.cc:101
#27 0x0804d478 in main (argc=0, argv=0x77daa788) at xorp_fea.cc:175
(gdb) frame 4
#4 0x081069a8 in FibConfigEntrySetNetlinkSocket::add_entry (this=0x842ee50,
[EMAIL PROTECTED])
at fibconfig_entry_set_netlink_socket.cc:259
259 fibconfig_entry_set_netlink_socket.cc: No such file or directory.
in fibconfig_entry_set_netlink_socket.cc
(gdb) print fte
$1 = (const FteX &) @0x77d9d2d4: {<Fte<IPvX,IPvXNet>> = {_net = {<IPNet<IPvX>>
= {_masked_addr = {_addr = {196874, 0,
0, 0}, _af = 2}, _prefix_len = 24}, <No data fields>}, _nexthop =
{_addr = {67503114, 0, 0, 0}, _af = 2},
_ifname = {static npos = 4294967295,
_M_dataplus = {<std::allocator<char>> =
{<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p
= 0x847c4fc "4.6.6"}}, _vifname = {static npos = 4294967295,
_M_dataplus = {<std::allocator<char>> =
{<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p
= 0x8444bf4 "4.6.6"}}, _metric = 3, _admin_distance = 110, _xorp_route = true,
_is_deleted = false,
_is_unresolved = false, _is_connected_route = false}, <No data fields>}
(gdb)
--
Ben Greear <[EMAIL PROTECTED]>
Candela Technologies Inc http://www.candelatech.com
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