node-ldapjs/lib/dtrace.js

98 lines
2.7 KiB
JavaScript

// Copyright 2011 Mark Cavage, Inc. All rights reserved.
var dtrace = require('dtrace-provider');
///--- Globals
var SERVER_PROVIDER;
var DTRACE_ID = 0;
var MAX_INT = 4294967295;
/* Args:
* server-*-start:
* 0 -> id
* 1 -> remoteIP
* 2 -> bindDN
* 3 -> req.dn
* 4,5 -> op specific
*
* server-*-done:
* 0 -> id
* 1 -> remoteIp
* 2 -> bindDN
* 3 -> requsetDN
* 4 -> status
* 5 -> errorMessage
*
*/
var SERVER_PROBES = {
// 4: attributes.length
'server-add-start': ['int', 'char *', 'char *', 'char *', 'int'],
'server-add-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
'server-bind-start': ['int', 'char *', 'char *', 'char *'],
'server-bind-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// 4: attribute, 5: value
'server-compare-start': ['int', 'char *', 'char *', 'char *', 'char *', 'char *'],
'server-compare-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
'server-delete-start': ['int', 'char *', 'char *', 'char *'],
'server-delete-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// 4: requestName, 5: requestValue
'server-exop-start': ['int', 'char *', 'char *', 'char *', 'char *', 'char *'],
'server-exop-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// 4: changes.length
'server-modify-start': ['int', 'char *', 'char *', 'char *', 'int'],
'server-modify-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// 4: newRdn, 5: newSuperior
'server-modifydn-start': ['int', 'char *', 'char *', 'char *', 'char *', 'char *'],
'server-modifydn-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// 4: scope, 5: filter
'server-search-start': ['int', 'char *', 'char *', 'char *', 'char *', 'char *'],
'server-search-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// Last two are searchEntry.DN and seachEntry.attributes.length
'server-search-entry': ['int', 'char *', 'char *', 'char *', 'char *', 'int'],
'server-unbind-start': ['int', 'char *', 'char *', 'char *'],
'server-unbind-done': ['int', 'char *', 'char *', 'char *', 'int', 'char *'],
// remote IP
'server-connection': ['char *'],
};
///--- API
module.exports = function() {
if (!SERVER_PROVIDER) {
SERVER_PROVIDER = dtrace.createDTraceProvider('ldapjs');
Object.keys(SERVER_PROBES).forEach(function(p) {
var args = SERVER_PROBES[p].splice(0);
args.unshift(p);
dtrace.DTraceProvider.prototype.addProbe.apply(SERVER_PROVIDER, args);
});
SERVER_PROVIDER.enable();
SERVER_PROVIDER._nextId = function() {
if (DTRACE_ID === MAX_INT)
DTRACE_ID = 0;
return ++DTRACE_ID;
};
}
return SERVER_PROVIDER;
}();