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我有一臺機器(基於Debian)連接了一些溫度傳感器,我想通過一個腳本在snmp上查詢它們。我可以使用一個傳感器,但我掙扎時,我插入另一個。具有多個設備的Perl NetSNMP擴展
我想要做的是循環通過每個設備,並給每一個ID,然後使用此ID作爲OID,然後給它一個價值。
我從來沒有使用snmp之前,我的Perl不是很好,所以任何幫助將不勝感激。以下是我的代碼:
#!/usr/bin/perl
use NetSNMP::agent (':all');
use NetSNMP::ASN qw(ASN_OCTET_STR ASN_INTEGER);
$BASE_OID=".1.3.6.1.4.1.41050";
$dev_id=1;
$string_value;
$integer_value;
sub pimon_handler {
my ($handler, $registration_info, $request_info, $requests) = @_;
my $request;
my $oid_key;
for($request = $requests; $request; $request = $request->next()) {
$oid_key=$BASE_OID . '.' . $dev_id;
my $oid = $request->getOID();
if ($request_info->getMode() == MODE_GET) {
if ($oid == new NetSNMP::OID($oid_key . '.0')) {
$request->setValue(ASN_OCTET_STR, $string_value);
}
elsif ($oid == new NetSNMP::OID($oid_key . '.1')) {
$request->setValue(ASN_INTEGER, $integer_value);
}
} elsif ($request_info->getMode() == MODE_GETNEXT) {
if ($oid == new NetSNMP::OID($oid_key . '.0')) {
$request->setOID($oid_key . '.1');
$request->setValue(ASN_INTEGER, $integer_value);
}
elsif ($oid < new NetSNMP::OID($oid_key . '.0')) {
$request->setOID($oid_key . '.0');
$request->setValue(ASN_OCTET_STR, $string_value);
}
}
}
}
#location of where we are going to find the 1wire devices
@sensors = `cat /sys/bus/w1/devices/w1_bus_master1/w1_master_slaves`;
chomp(@sensors);
#loop through the sensors we find
foreach $line(@sensors) {
#work out the temp we have got. Need to change this for other sensor types
$output = `cat /sys/bus/w1/devices/$line/w1_slave`;
$output =~ /t=(?<temp>\d+)/;
$integer_value = sprintf "%.0f",$+{temp}/1000;
$string_value = $line;
my $agent = new NetSNMP::agent();
$agent->register("Pimon$looptest", $BASE_OID . '.' . $dev_id,
\&pimon_handler);
print "Dev $dev_id temp $line temp is $integer_value\n";
$dev_id ++;
}
爲什麼這是downvoted? – beakersoft