Re: Integer64 support?

Mon, 13 Jul 2015 07:30:01 -0700

On Jul 10, 2015, at 11:30 PM, Bill Fenner wrote:

Can you try this patch?

--- a/agent/mibgroup/ucd-snmp/pass_common.c
+++ b/agent/mibgroup/ucd-snmp/pass_common.c
@@ -135,7 +135,7 @@ netsnmp_internal_pass_parse(char * buf,
         c64.high = (unsigned long)(v64 >> 32);
         c64.low  = (unsigned long)(v64 & 0xffffffff);
         *var_len = sizeof(c64);
-        vp->type = ASN_INTEGER64;
+        vp->type = ASN_OPAQUE_I64;
         return ((unsigned char *) &c64);
     }
 #endif
The user that reported the int64 issue on my agent pointed
out to me that this patch isn't quite right. And not complete…

Since it's checking for a "integer64" in that code, it should
return a "signed char *", no?

And since that and "unsigned" exists, it seems reasonable that
the code should/could return a "unsigned64" as well...

How about the enclosed patch? Tested with the enclosed
test script (a modification on the one I found at an earlier
message - see previous mail in thread):

$ snmpget -uro -v2c -cpublic localhost .1.3.6.1.4.1.22222.42.2.0
SNMPv2-SMI::enterprises.22222.42.2.0 = Opaque: Int64: 9223372036854775806
$ snmpget -uro -v2c -cpublic localhost .1.3.6.1.4.1.22222.42.5.0
SNMPv2-SMI::enterprises.22222.42.5.0 = Gauge32: 4294967294
$ snmpget -uro -v2c -cpublic localhost .1.3.6.1.4.1.22222.42.6.0
SNMPv2-SMI::enterprises.22222.42.6.0 = Opaque: UInt64: 18446744073709551614

Although I'm not sure "Gauge32" is correct, but considering that
it returns the correct value...

Attachment: int64_to_i64.patch
Description: Binary data

Attachment: pptest.sh
Description: Binary data

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