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Initial DTrace prototype

This commit is contained in:
Mark Cavage 2011-08-30 04:48:05 +00:00
parent 695f2e4367
commit 7f43ade50b
3 changed files with 135 additions and 35 deletions
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34
lib/dtrace.js
View File

@ -16,11 +16,35 @@ var SERVER_PROVIDER;
*/
var SERVER_PROBES = {
add: ['char "*', 'char *', 'char *'],
bind: ['char "*', 'char *', 'char *'],
unbind: ['char "*', 'char *', 'char *'],
connection: ['char *']
// 3: attributes.length
add: ['char *', 'char *', 'char *', 'int'],
bind: ['char *', 'char *', 'char *'],
// 3: attribute, 4: value
compare: ['char *', 'char *', 'char *', 'char *', 'char *'],
'delete': ['char *', 'char *', 'char *'],
// 3: requestName, 4: requestValue
exop: ['char *', 'char *', 'char *', 'char *', 'char *'],
// 3: changes.length
modify: ['char *', 'char *', 'char *', 'int'],
// 3: newRdn, 4: deleteOldRdn, 5: newSuperior
modifyDN: ['char *', 'char *', 'char *', 'char *', 'int', 'char *'],
// 3: filter, 4: scope, 5: attributes.length
search: ['char *', 'char *', 'char *', 'char *', 'char *', 'int'],
unbind: ['char *', 'char *', 'char *'],
// remote IP
connection: ['char *'],
// statusCode, matchedDN, error message, remoteAddress, bindDN, req.dn
result: ['int', 'char *', 'char *', 'char *', 'char *', 'char *']
};
@ -38,7 +62,7 @@ module.exports = {
Object.keys(SERVER_PROBES).forEach(function(p) {
var args = SERVER_PROBES[p].splice(0);
args.unshift(p);
console.log('%j', args);
dtrace.DTraceProvider.prototype.addProbe.apply(SERVER_PROVIDER, args);
});

13
lib/messages/result.js
View File

@ -8,7 +8,7 @@ var asn1 = require('asn1');
var LDAPMessage = require('./message');
var Protocol = require('../protocol');
var dtrace = require('../dtrace').serverProvider();
///--- Globals
@ -17,6 +17,7 @@ var Ber = asn1.Ber;
var BerWriter = asn1.BerWriter;
///--- API
function LDAPResult(options) {
@ -66,11 +67,21 @@ LDAPResult.prototype.end = function(status) {
this.log.debug('%s: sending: %j', this.connection.ldap.id, this.json);
try {
var self = this;
this.connection.write(ber);
dtrace.fire('result', function() {
return [self.status,
(self.matchedDN || ''),
(self.errorMessage || ''),
(self.connection ? self.connection.remoteAddress : ''),
(self.connection ? self.connection.ldap.bindDN.toString() : ''),
(self.requestDN ? self.requestDN.toString() : '')];
});
} catch (e) {
this.log.warn('%s failure to write message %j: %s',
this.connection.ldap.id, this.json, e.toString());
}
};

123
lib/server.js
View File

@ -228,9 +228,12 @@ function Server(options) {
c.remotePort = c.fd;
}
var rdn = new dn.RDN();
rdn.cn = 'anonymous'
c.ldap = {
id: c.remoteAddress + ':' + c.remotePort,
config: options
config: options,
_bindDN: new DN([rdn])
};
c.addListener('timeout', function() {
log.trace('%s timed out', c.ldap.id);
@ -249,7 +252,7 @@ function Server(options) {
});
c.ldap.__defineGetter__('bindDN', function() {
return c.ldap._bindDN || new DN([{cn: 'anonymous'}]);
return c.ldap._bindDN;
});
c.ldap.__defineSetter__('bindDN', function(val) {
if (!(val instanceof DN))
@ -284,6 +287,9 @@ function Server(options) {
return;
}
res.connection = c;
res.requestDN = req.dn;
var chain = self._getHandlerChain(req);
var i = 0;
@ -395,7 +401,9 @@ Server.prototype.add = function(name) {
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('add', function() {
return [c.remoteAddress, c.ldap.bindDN.toString(), c.dn.toString()];
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString(),
req.attributes.length];
});
return next();
});
@ -420,13 +428,13 @@ Server.prototype.bind = function(name) {
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('bind', function() {
return [c.remoteAddress, c.ldap.bindDN.toString(), c.dn.toString()];
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString()];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_BIND, name, args);
};
@ -441,9 +449,19 @@ Server.prototype.bind = function(name) {
* @throws {TypeError} on bad input
*/
Server.prototype.compare = function(name) {
return this._mount(Protocol.LDAP_REQ_COMPARE,
name,
Array.prototype.slice.call(arguments, 1));
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('compare', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString(),
req.attribute, req.value];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_COMPARE, name, args);
};
@ -458,9 +476,18 @@ Server.prototype.compare = function(name) {
* @throws {TypeError} on bad input
*/
Server.prototype.del = function(name) {
return this._mount(Protocol.LDAP_REQ_DELETE,
name,
Array.prototype.slice.call(arguments, 1));
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('delete', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString()];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_DELETE, name, args);
};
@ -475,10 +502,19 @@ Server.prototype.del = function(name) {
* @throws {TypeError} on bad input.
*/
Server.prototype.exop = function(name) {
return this._mount(Protocol.LDAP_REQ_EXTENSION,
name,
Array.prototype.slice.call(arguments, 1),
true);
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('exop', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.name,
req.name, req.value];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_EXTENSION, name, args, true);
};
@ -493,9 +529,19 @@ Server.prototype.exop = function(name) {
* @throws {TypeError} on bad input
*/
Server.prototype.modify = function(name) {
return this._mount(Protocol.LDAP_REQ_MODIFY,
name,
Array.prototype.slice.call(arguments, 1));
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('modify', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString(),
req.changes.length];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_MODIFY, name, args);
};
@ -510,9 +556,20 @@ Server.prototype.modify = function(name) {
* @throws {TypeError} on bad input
*/
Server.prototype.modifyDN = function(name) {
return this._mount(Protocol.LDAP_REQ_MODRDN,
name,
Array.prototype.slice.call(arguments, 1));
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('modifyDN', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString(),
req.newRdn.toString(), (req.deleteOldRdn ? 1 : 0),
(req.newSuperior ? req.newSuperior.toString() : '')];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_MODRDN, name, args);
};
@ -527,9 +584,20 @@ Server.prototype.modifyDN = function(name) {
* @throws {TypeError} on bad input
*/
Server.prototype.search = function(name) {
return this._mount(Protocol.LDAP_REQ_SEARCH,
name,
Array.prototype.slice.call(arguments, 1));
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
args.unshift(function(req, res, next) {
self.dtrace.fire('search', function() {
var c = req.connection;
return [c.remoteAddress, c.ldap.bindDN.toString(), req.dn.toString(),
req.filter.toString(), req.scope, req.attributes.length];
});
return next();
});
return this._mount(Protocol.LDAP_REQ_SEARCH, name, args);
};
@ -545,7 +613,7 @@ Server.prototype.search = function(name) {
Server.prototype.unbind = function() {
var self = this;
var args = Array.prototype.slice.call(arguments, 1);
var args = Array.prototype.slice.call(arguments, 0);
args.unshift(function(req, res, next) {
self.dtrace.fire('unbind', function() {
return [c.remoteAddress, c.ldap.bindDN.toString(), c.dn.toString()];
@ -553,10 +621,7 @@ Server.prototype.unbind = function() {
return next();
});
return this._mount(Protocol.LDAP_REQ_UNBIND,
'unbind',
Array.prototype.slice.call(arguments, 0),
true);
return this._mount(Protocol.LDAP_REQ_UNBIND, 'unbind', args, true);
};