support DEBUG="xmlrpc:*" (etc.) in order to easily get input/output

lib/client.js

@@ -1,6 +1,7 @@
 var http         = require('http')
   , https        = require('https')
   , url          = require('url')
+  , debug        = require('debug')('xmlrpc:client')
   , Serializer   = require('./serializer')
   , Deserializer = require('./deserializer')
   , Cookies      = require('./cookies')
@@ -112,13 +113,15 @@ Client.prototype.methodCall = function methodCall(method, params, callback) {
       Object.defineProperty(err, 'req', { value: request })
       Object.defineProperty(err, 'res', { value: response })
       Object.defineProperty(err, 'body', { value: body.join('') })
+      debug(err);
       return err
     }
 
     if (response.statusCode == 404) {
       callback(__enrichError(new Error('Not Found')))
     }
     else {
+      debug("headers", response.headers);
       this.headersProcessors.parseResponse(response.headers)
 
       var deserializer = new Deserializer(options.responseEncoding)
@@ -174,4 +177,3 @@ Client.prototype.setCookie = function setCookie(name, value) {
 }
 
 module.exports = Client
-

lib/deserializer.js

@@ -1,4 +1,7 @@
 var sax           = require('sax')
+  , debug         = require('debug')('xmlrpc:deserializer')
+  , debugClient   = require('debug-stream')(require('debug')('xmlrpc:client:response:stream'))
+  , debugServer   = require('debug-stream')(require('debug')('xmlrpc:server:request:stream'))
   , dateFormatter = require('./date_formatter')
 
 var Deserializer = function(encoding) {
@@ -45,7 +48,7 @@ Deserializer.prototype.deserializeMethodResponse = function(stream, callback) {
 
   stream.setEncoding(this.encoding)
   stream.on('error', this.onError.bind(this))
-  stream.pipe(this.parser)
+  stream.pipe(debugClient('%s')).pipe(this.parser)
 }
 
 Deserializer.prototype.deserializeMethodCall = function(stream, callback) {
@@ -68,12 +71,11 @@ Deserializer.prototype.deserializeMethodCall = function(stream, callback) {
 
   stream.setEncoding(this.encoding)
   stream.on('error', this.onError.bind(this))
-  stream.pipe(this.parser)
+  stream.pipe(debugServer('%s')).pipe(this.parser)
 }
 
 Deserializer.prototype.onDone = function() {
   var that = this
-
   if (!this.error) {
     if (this.type === null || this.marks.length) {
       this.callback(new Error('Invalid XML-RPC message'))
@@ -96,13 +98,13 @@ Deserializer.prototype.onDone = function() {
 
 // TODO:
 // Error handling needs a little thinking. There are two different kinds of
-// errors: 
+// errors:
 //   1. Low level errors like network, stream or xml errors. These don't
 //      require special treatment. They only need to be forwarded. The IO
-//      is already stopped in these cases. 
+//      is already stopped in these cases.
 //   2. Protocol errors: Invalid tags, invalid values &c. These happen in
 //      our code and we should tear down the IO and stop parsing.
-// Currently all errors end here. Guess I'll split it up. 
+// Currently all errors end here. Guess I'll split it up.
 Deserializer.prototype.onError = function(msg) {
   if (!this.error) {
     if (typeof msg === 'string') {
@@ -321,4 +323,3 @@ Deserializer.prototype.endMethodCall = function(data) {
 }
 
 module.exports = Deserializer
-

lib/serializer.js

@@ -1,4 +1,5 @@
 var xmlBuilder    = require('xmlbuilder')
+  , debug         = require('debug')('xmlrpc:serializer')
   , dateFormatter = require('./date_formatter')
   , CustomType    = require('./customtype')
 
@@ -21,6 +22,7 @@ exports.serializeMethodCall = function(method, params, encoding) {
     options.encoding = encoding
   }
 
+  debug('call method <'+method+'>('+(encoding || 'utf8')+')', params)
   var xml = xmlBuilder.create('methodCall', options)
     .ele('methodName')
       .txt(method)
@@ -32,7 +34,9 @@ exports.serializeMethodCall = function(method, params, encoding) {
   })
 
   // Includes the <?xml ...> declaration
-  return xml.doc().toString()
+  var str = xml.doc().toString()
+  debug('method <'+method+'> call body XML', str)
+  return str
 }
 
 /**
@@ -52,7 +56,9 @@ exports.serializeMethodResponse = function(result) {
   serializeValue(result, xml)
 
   // Includes the <?xml ...> declaration
-  return xml.doc().toString()
+  var str = xml.doc().toString();
+  debug('method response:'+str)
+  return str
 }
 
 exports.serializeFault = function(fault) {
@@ -62,7 +68,9 @@ exports.serializeFault = function(fault) {
   serializeValue(fault, xml)
 
   // Includes the <?xml ...> declaration
-  return xml.doc().toString()
+  var str = xml.doc().toString();
+  debug('fault: '+str);
+  return str
 }
 
 function serializeValue(value, xml) {

lib/server.js

@@ -1,6 +1,7 @@
 var http             = require('http')
   , https            = require('https')
   , url              = require('url')
+  , debug            = require('debug')('xmlrpc:server')
   , EventEmitter     = require('events').EventEmitter
   , Serializer       = require('./serializer')
   , Deserializer     = require('./deserializer')
@@ -75,4 +76,3 @@ function Server(options, isSecure, onListening) {
 Server.prototype.__proto__ = EventEmitter.prototype
 
 module.exports = Server
-

package.json

@@ -1,35 +1,43 @@
-{ "name" : "xmlrpc"
-, "description" : "A pure JavaScript XML-RPC client and server."
-, "keywords" : [ "xml-rpc", "xmlrpc", "xml", "rpc" ]
-, "version" : "1.3.1"
-, "preferGlobal" : false
-, "homepage" : "https://github.com/baalexander/node-xmlrpc"
-, "author" : "Brandon Alexander <baalexander@gmail.com> (https://github.com/baalexander)"
-, "repository" : {
-    "type" : "git"
-  , "url" : "git://github.com/baalexander/node-xmlrpc.git"
-  }
-, "bugs" : {
-    "url" : "https://github.com/baalexander/node-xmlrpc/issues"
-  }
-, "directories" : {
-    "lib" : "./lib"
-  }
-, "main" : "./lib/xmlrpc.js"
-, "dependencies" : {
-    "sax"   : "0.6.x"
-  , "xmlbuilder" : "2.6.x"
-  }
-, "devDependencies" : {
-    "vows" : "0.7.x"
-  }
-, "scripts" : {
-    "test" : "vows 'test/*.js'"
-  }
-, "engines" : {
-    "node" : ">=0.8",
-    "npm" : ">=1.0.0"
-  }
-, "license" : "MIT"
+{
+  "name": "xmlrpc",
+  "description": "A pure JavaScript XML-RPC client and server.",
+  "keywords": [
+    "xml-rpc",
+    "xmlrpc",
+    "xml",
+    "rpc"
+  ],
+  "version": "1.3.1",
+  "preferGlobal": false,
+  "homepage": "https://github.com/baalexander/node-xmlrpc",
+  "author": "Brandon Alexander <baalexander@gmail.com> (https://github.com/baalexander)",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/baalexander/node-xmlrpc.git"
+  },
+  "bugs": {
+    "url": "https://github.com/baalexander/node-xmlrpc/issues"
+  },
+  "directories": {
+    "lib": "./lib"
+  },
+  "main": "./lib/xmlrpc.js",
+  "dependencies": {
+    "debug": "^2.2.0",
+    "debug-stream": "^3.0.1",
+    "sax": "0.6.x",
+    "xmlbuilder": "2.6.x"
+  },
+  "devDependencies": {
+    "vows": "0.7.x"
+  },
+  "scripts": {
+    "test": "vows 'test/*.js'"
+  },
+  "engines": {
+    "node": ">=0.8",
+    "npm": ">=1.0.0"
+  },
+  "contributors": [],
+  "license": "MIT"
 }
-