On Wednesday 18 April 2007 01:36, Dave Shield wrote:
> OK - I'm beginning to see what might be going wrong.
>
> Note that Flags is 0x0, so according to RFC 2741, section 6.1:
>
> The NETWORK_BYTE_ORDER bit applies to all multi-byte integer
> values in the entire AgentX packet, including the remaining
> header fields. If set, then network byte order (most
> significant byte first; "big endian") is used. If not set,
> then least significant byte first ("little endian") is used.
>
> this packet should be using "little endian" encoding.
>
>
> Then later in the dump, after
>
> Apr 17 15:44:07 zaphod snmpd[10347]: dumpv_recv:
> OID SNMPv2-SMI::enterprises.424242.1.2.1.0
>
> comes
>
> Apr 17 15:44:07 zaphod snmpd[10347]: dumpx_recv: 00 00 00 00
> Apr 17 15:44:07 zaphod snmpd[10347]: dumpv_recv: Integer:^I0
> (0x00) Apr 17 15:44:07 zaphod snmpd[10347]: dumpx_recv: 92 10 00
> 00 Apr 17 15:44:07 zaphod snmpd[10347]: dumpv_recv:
> Integer:^I4242 (0x1092)
>
> which is the value of this counter.
> The second four octets contain the desired value (4242),
> but remember that we're working in 'little endian' order, so
> these actually represent the upper 32-bits of a 64-bit value.
> The full value is therefore 0x 00001092 00000000
> i.e. 18219251269632
>
> which is exactly the value being returned by the master agent:
>
> Apr 17 15:44:07 zaphod snmpd[10347]: dumph_send: PDU-RESPONSE
> Apr 17 15:44:07 zaphod snmpd[10347]: dumph_send: VarBind
> Apr 17 15:44:07 zaphod snmpd[10347]: dumph_send: Value
> Apr 17 15:44:07 zaphod snmpd[10347]: dumpx_send: 46 06 10 92 00 00
> Apr 17 15:44:07 zaphod snmpd[10347]: dumpv_send: U64: 0
> 18219251269632
>
>
> So the problem lies with the subagent, in the encoding of the response.
> It's got the two halves of the counter64 value the wrong way round.
>
> I've looked at the code for encoding Counter64 values (in
> agentx/protocol.c) and at first glance it looks OK.
>
> Can you try setting the same '-Ddump' debugging flag for your AgentX
> subagent, and report what this displays when sending this response?
> (Don't bother zipping up the log - raw text should be fine.)
Here it is.
> Dave
Lothar
--
Lothar Werzinger Dipl.-Ing. Univ.
framework & platform architect
Tradescape Inc.
111 West St. John Street, Suite 200
San Jose, Ca 95113
web: http://www.tradescape.biz
dumpx_recv:20 00 00 00
dumpv_recv: Integer: 32 (0x20)
dumph_recv: AgentX Header
dumph_recv: Version
dumpx_recv: 01
dumpv_recv: Version: 1
dumph_recv: Command
dumpx_recv: 05
dumpv_recv: Command: 5 (Get)
dumph_recv: Flags
dumpx_recv: 00
dumpv_recv: Flags: 0x0
dumph_recv: Reserved Byte
dumpx_recv: 00
dumpv_recv: Reserved: 0x0
dumph_recv: Session ID
dumpx_recv: 06 00 00 00
dumpv_recv: Integer: 6 (0x06)
dumph_recv: Transaction ID
dumpx_recv: 01 00 00 00
dumpv_recv: Integer: 1 (0x01)
dumph_recv: Packet ID
dumpx_recv: 02 00 00 00
dumpv_recv: Integer: 2 (0x02)
dumph_recv: Payload Length
dumpx_recv: 20 00 00 00
dumpv_recv: Integer: 32 (0x20)
dumph_recv: PDU
dumph_recv: Search Range
dumph_recv: OID Header
dumpx_recv: 06 04 00 00
dumpv_recv: # subids: 6 (0x06)
dumpv_recv: prefix: 4 (0x04)
dumpv_recv: inclusive: 0 (0x00)
dumph_recv: OID Segments
dumpx_recv: 01 00 00 00
dumpv_recv: Integer: 1 (0x01)
dumpx_recv: 32 79 06 00
dumpv_recv: Integer: 424242 (0x67932)
dumpx_recv: 01 00 00 00
dumpv_recv: Integer: 1 (0x01)
dumpx_recv: 02 00 00 00
dumpv_recv: Integer: 2 (0x02)
dumpx_recv: 01 00 00 00
dumpv_recv: Integer: 1 (0x01)
dumpx_recv: 00 00 00 00
dumpv_recv: Integer: 0 (0x00)
dumpv_recv: OID: iso.3.6.1.4.1.424242.1.2.1.0
dumph_recv: OID Header
dumpx_recv: 00 00 00 00
dumpv_recv: # subids: 0 (0x00)
dumpv_recv: prefix: 0 (0x00)
dumpv_recv: inclusive: 0 (0x00)
dumph_recv: OID Segments
dumpv_recv: OID: NULL (0.0)
dump_send_callback_transport: PDU: command = 160, errstat = 0, errindex = 0
dump_send_callback_transport: var 2:iso.3.6.1.4.1.424242.1.2.1.0 = Variable
has bad type
dump_recv_callback_transport: PDU: command = 160, errstat = 0, errindex = 0
dump_recv_callback_transport: var 2:iso.3.6.1.4.1.424242.1.2.1.0 = Variable
has bad type
balancemanager: section=balancemanager, context=, name=totalBalances
balancemanager: requested mode (160) in balancemanager_handle_totalBalances
TRACE - ENTER: uint64Handler
DEBUG - rc_section=balancemanager, rc_context=, rc_name=totalBalances
DEBUG - uint64Handler done
TRACE - EXIT: uint64Handler
balancemanager: setting value=(0,4242) sizeof(counter)=16 as ASN_COUNTER64
balancemanager: leaving balancemanager_handle_totalBalances (SNMP_ERR_NOERROR)
dump_send_callback_transport: PDU: command = 162, errstat = 0, errindex = 0
dump_send_callback_transport: var 2:iso.3.6.1.4.1.424242.1.2.1.0 = Counter64:
4242
dump_recv_callback_transport: PDU: command = 162, errstat = 0, errindex = 0
dump_recv_callback_transport: var 2:iso.3.6.1.4.1.424242.1.2.1.0 = Counter64:
4242
dumph_send: AgentX Header
dumpx_send: 01 12 00 00
dumpv_send: Version: 1
dumpv_send: Command: 18 (Response)
dumpv_send: Flags: 00
dumph_send: Session ID
dumpx_send: 06 00 00 00
dumpv_send: Integer: 6 (0x06)
dumph_send: Transaction ID
dumpx_send: 01 00 00 00
dumpv_send: Integer: 1 (0x01)
dumph_send: Request ID
dumpx_send: 02 00 00 00
dumpv_send: Integer: 2 (0x02)
dumph_send: Dummy Length :-(
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumph_send: AgentX Payload
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumph_send: Response
dumpx_send: 00 00 00 00
dumpv_send: sysUpTime: 0
dumpx_send: 00 00
dumpv_send: Short: 0 (0x00)
dumpx_send: 00 00
dumpv_send: Short: 0 (0x00)
dumph_send: Response errors
dumpx_send: 00 00 00 00
dumpv_send: errstat: 0
dumpv_send: errindex: 0
dumph_send: Get* Variable List
dumph_send: VarBind
dumph_send: type
dumpx_send: 46 00
dumpv_send: Short: 70 (0x46)
dumph_send: name
dumpv_send: OID: iso.3.6.1.4.1.424242.1.2.1.0
dumph_send: OID Header
dumpx_send: 06 04 00 00
dumpv_send: # subids: 6 (0x06)
dumpv_send: prefix: 4 (0x04)
dumpv_send: inclusive: 0 (0x00)
dumph_send: OID Segments
dumpx_send: 01 00 00 00
dumpv_send: Integer: 1 (0x01)
dumpx_send: 32 79 06 00
dumpv_send: Integer: 424242 (0x67932)
dumpx_send: 01 00 00 00
dumpv_send: Integer: 1 (0x01)
dumpx_send: 02 00 00 00
dumpv_send: Integer: 2 (0x02)
dumpx_send: 01 00 00 00
dumpv_send: Integer: 1 (0x01)
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumph_send: value
dumph_send: Build Counter64 (low, high)
dumpx_send: 92 10 00 00
dumpv_send: Integer: 4242 (0x1092)
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumpx_send: 30 00 00 00
dumpv_send: Integer: 48 (0x30)
dumph_send: AgentX Header
dumpx_send: 01 0D 00 00
dumpv_send: Version: 1
dumpv_send: Command: 13 (Ping)
dumpv_send: Flags: 00
dumph_send: Session ID
dumpx_send: 06 00 00 00
dumpv_send: Integer: 6 (0x06)
dumph_send: Transaction ID
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumph_send: Request ID
dumpx_send: 4E 11 B5 67
dumpv_send: Integer: 1739919694 (0x67B5114E)
dumph_send: Dummy Length :-(
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumph_send: AgentX Payload
dumpx_send: 00 00 00 00
dumpv_send: Integer: 0 (0x00)
dumpx_recv: 08 00 00 00
dumpv_recv: Integer: 8 (0x08)
dumph_recv: AgentX Header
dumph_recv: Version
dumpx_recv: 01
dumpv_recv: Version: 1
dumph_recv: Command
dumpx_recv: 12
dumpv_recv: Command: 18 (Response)
dumph_recv: Flags
dumpx_recv: 00
dumpv_recv: Flags: 0x0
dumph_recv: Reserved Byte
dumpx_recv: 00
dumpv_recv: Reserved: 0x0
dumph_recv: Session ID
dumpx_recv: 06 00 00 00
dumpv_recv: Integer: 6 (0x06)
dumph_recv: Transaction ID
dumpx_recv: 00 00 00 00
dumpv_recv: Integer: 0 (0x00)
dumph_recv: Packet ID
dumpx_recv: 4E 11 B5 67
dumpv_recv: Integer: 1739919694 (0x67B5114E)
dumph_recv: Payload Length
dumpx_recv: 08 00 00 00
dumpv_recv: Integer: 8 (0x08)
dumph_recv: PDU
dumpx_recv: 82 A7 01 00
dumpv_recv: Integer: 108418 (0x1A782)
dumpx_recv: 00 00
dumpv_recv: Short: 0 (0x00)
dumpx_recv: 00 00
dumpv_recv: Short: 0 (0x00)
dumph_recv: VarBindList
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