| 1 | 1 | simandl | <?php |
| 2 | | | // Pluggable datasource for PHP Weathermap 0.9 |
| 3 | | | // - return a live SNMP value |
| 4 | | | |
| 5 | | | // doesn't work well with large values like interface counters (I think this is a rounding problem) |
| 6 | | | // - also it doesn't calculate rates. Just fetches a value. |
| 7 | | | |
| 8 | | | // useful for absolute GAUGE-style values like DHCP Lease Counts, Wireless AP Associations, Firewall Sessions |
| 9 | | | // which you want to use to colour a NODE |
| 10 | | | |
| 11 | | | // You could also fetch interface states from IF-MIB with it. |
| 12 | | | |
| 13 | | | // TARGET snmp:public:hostname:1.3.6.1.4.1.3711.1.1:1.3.6.1.4.1.3711.1.2 |
| 14 | | | // (that is, TARGET snmp:community:host:in_oid:out_oid |
| 15 | | | |
| 16 | | | class WeatherMapDataSource_snmp extends WeatherMapDataSource { |
| 17 | | | |
| 18 | | | function Init(&$map) |
| 19 | | | { |
| 20 | | | if(function_exists('snmpget')) { return(TRUE); } |
| 21 | | | debug("SNMP DS: snmpget() not found. Do you have the PHP SNMP module?\n"); |
| 22 | | | |
| 23 | | | return(FALSE); |
| 24 | | | } |
| 25 | | | |
| 26 | | | |
| 27 | | | function Recognise($targetstring) |
| 28 | | | { |
| 29 | | | if(preg_match("/^snmp:([^:]+):([^:]+):([^:]+):([^:]+)$/",$targetstring,$matches)) |
| 30 | | | { |
| 31 | | | return TRUE; |
| 32 | | | } |
| 33 | | | else |
| 34 | | | { |
| 35 | | | return FALSE; |
| 36 | | | } |
| 37 | | | } |
| 38 | | | |
| 39 | | | function ReadData($targetstring, &$map, &$item) |
| 40 | | | { |
| 41 | | | $inbw=-1; |
| 42 | | | $outbw=-1; |
| 43 | | | $data_time=0; |
| 44 | | | |
| 45 | | | if(preg_match("/^snmp:([^:]+):([^:]+):([^:]+):([^:]+)$/",$targetstring,$matches)) |
| 46 | | | { |
| 47 | | | $community = $matches[1]; |
| 48 | | | $host = $matches[2]; |
| 49 | | | $in_oid = $matches[3]; |
| 50 | | | $out_oid = $matches[4]; |
| 51 | | | |
| 52 | | | $was = snmp_get_quick_print(); |
| 53 | | | snmp_set_quick_print(1); |
| 54 | | | |
| 55 | | | $in_result = snmpget($host,$community,$in_oid,1000000,2); |
| 56 | | | $out_result = snmpget($host,$community,$out_oid,1000000,2); |
| 57 | | | |
| 58 | | | debug ("SNMP ReadData: Got $in_result and $out_result\n"); |
| 59 | | | |
| 60 | | | if($in_result) { $in_bw = $in_result; } |
| 61 | | | if($out_result) { $out_bw = $out_result;} |
| 62 | | | $data_time = time(); |
| 63 | | | snmp_set_quick_print($was); |
| 64 | | | } |
| 65 | | | |
| 66 | | | debug ("SNMP ReadData: Returning ($inbw,$outbw,$data_time)\n"); |
| 67 | | | |
| 68 | | | return ( array($inbw,$outbw,$data_time) ); |
| 69 | | | } |
| 70 | | | } |
| 71 | | | |
| 72 | | | // vim:ts=4:sw=4: |
| 73 | | | ?> |
