Edit report at https://bugs.php.net/bug.php?id=54502&edit=1
ID: 54502
Updated by: lytbo...@php.net
Reported by: c...@php.net
Summary: Add support for the "BITS" datatype
Status: Open
Type: Feature/Change Request
Package: SNMP related
PHP Version: trunk-SVN-2011-04-10 (SVN)
-Assigned To:
+Assigned To: lytboris
Block user comment: N
Private report: N
New Comment:
There is support for BITS datatype actually when SNMP_VALUE_LIBRARY is enabled
for value processing. When you enable other SNMP_VALUE_* modes no value
processing is performed and output from remote SNMP agent is passed through
SNMP library.
Previous Comments:
------------------------------------------------------------------------
[2011-04-10 15:34:01] c...@php.net
Description:
------------
The SNMP command line tools are able to translate the numeric return values for
OIDs of the "BITS" datatype back to meaningful string values by parsing the
relevant parts of the MIB. The PHP functions currently seem unable to do that.
I.e. in the following example I would like to get the string "notification" or
"set" as return value but only get "0" or "1". As there is no other method to
find and parse the MIB I'm left with hardcoding the values in the PHP script:
$ snmptranslate -Td DISMAN-EVENT-MIB::mteEventActions
DISMAN-EVENT-MIB::mteEventActions
mteEventActions OBJECT-TYPE
-- FROM DISMAN-EVENT-MIB
SYNTAX BITS {notification(0), set(1)}
Test script:
---------------
>From commandline (mind the strange quotes, they're neccessary!):
$ snmpwalk -v2c -c private localhost
"DISMAN-EVENT-MIB::mteEventActions.\"_snmpd\".'_linkDown'"
DISMAN-EVENT-MIB::mteEventActions."_snmpd".'_linkDown' = BITS: 80
notification(0)
With PHP:
snmp_set_valueretrieval(SNMP_VALUE_OBJECT);
$snmp = new SNMP(SNMP_VERSION_2C, 'localhost', 'private');
$x =
$snmp->get("DISMAN-EVENT-MIB::mteEventActions.\"_snmpd\".'_linkDown'");
var_dump($x);
var_dump(bin2hex($x->value));
I get:
object(stdClass)#190 (2) {
["type"]=> int(4)
["value"]=> string(1) "�"
}
string(2) "80"
The value is not even numerical, it has to be converted to 0x80 using bin2hex()!
Expected result:
----------------
Maybe
* the SNMP_VALUE_OBJECT representation object can be enhanced to include
alternative representations:
object(stdClass)#190 (2) {
["type"]=> int(4)
["value"]=> string(1) "�"
["bits_value"]=> string(15) "notification(0)"
}
* or the the snmp_set_enum_print() function is used to toggle BITS, too
* or a snmp_set_bits_print() function is introduced
* or a snmp_translate() function is introduced that returns the "snmptranslate"
output as PHP data structure
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Edit this bug report at https://bugs.php.net/bug.php?id=54502&edit=1
