-// ANNA - Anna is Not 'N' Anymore
-//
-// (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
-//
-// https://bitbucket.org/testillano/anna
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Authors: eduardo.ramos.testillano@gmail.com
-// cisco.tierra@gmail.com
+// ANNA - Anna is Not Nothingness Anymore //
+// //
+// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo //
+// //
+// See project site at http://redmine.teslayout.com/projects/anna-suite //
+// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
#ifndef anna_diameter_codec_EngineImpl_hpp
*
* class MyEngine : public EngineImpl {
* public:
- * Engine (getClassName()) {;}
- * static const char* getClassName() throw() { return "<full-naming path>::MyEngine"; }
+ * MyEngine (const char *className = "MyEngine") : Engine(className) {;}
*
* private:
* anna::Recycler<MyAvp> a_avps;
* Defines behaviour mode regarding when to validate a message: before encoding, after decoding (by default), always or never
* Anyway validation procedure may be called at any moment (#valid)
*/
- struct ValidationMode { enum _v { BeforeCoding, AfterDecoding /* default */, Always, Never /* optimization */ }; };
+ struct ValidationMode { enum _v { BeforeEncoding, AfterDecoding /* default */, Always, Never /* optimization */ }; };
/**
* Defines behaviour mode regarding when to fix a message: before encoding (by default), after decoding, always or never.
* hide any validation problem regarding Avps position at any level.
* Anyway fix procedure may be called at any moment (#fix)
*/
- struct FixMode { enum _v { BeforeCoding /* default */, AfterDecoding, Always, Never /* optimization */ }; };
+ struct FixMode { enum _v { BeforeEncoding /* default */, AfterDecoding, Always, Never /* optimization */ }; };
// Creators
ValidationMode::_v a_validationMode;
bool a_ignoreFlags;
FixMode::_v a_fixMode;
+ bool a_selectStackWithApplicationId; // default behaviour: let the user switch the stack (false for this boolean)
+
// Auxiliary
const stack::Dictionary * a_dictionary;
virtual ~EngineImpl() {;}
+ // setters
/**
Sets diameter dictionary loaded at stack engine. It's recommended to configure a valid dictionary
(if not, or NULL provided at #setDictionary, all avps will be managed as 'Unknown' format and all
@param dictionary Diameter dictionary. At single threaded processes, the same codec engine could be used with
different diameter dictionaries (multi-stack applications). In that case the process must switch the stack for
- the whole decoding or enconding operation over a Message depending on the context. But the smart way implies
- inherit from this engine creating a component for each diameter stack managed in the application. Inheritance
- is mandatory in multi-threaded processes: one engine, a unique stack.
+ the whole decoding or enconding operation over a Message depending on the context (normally the message header
+ Application-Id is used as stack identifier). But the smart way implies inherit from this engine creating a
+ component for each diameter stack managed in the application. Inheritance is mandatory in multi-threaded processes:
+ one engine, a unique stack.
*/
void setDictionary(const stack::Dictionary * dictionary) throw() { a_dictionary = dictionary; }
- // get
/**
* Sets diameter dictionary loaded at stack engine with the provided identifier.
*
- * @param stackId Stack identifier. When missing, default stack (stack::Engine::getDefaultStack()) will be used
+ * @param stackId Stack identifier. When missing, NULL will be returned
* @return Returns configured dictionary (NULL if stack id was not found)
*/
- const stack::Dictionary *setDictionary(int stackId = -1) throw();
+ const stack::Dictionary *setDictionary(unsigned int stackId) throw();
+
+
+ /**
+ * By default, the user will select the appropiate stack id depending on the context (see #setDictionary), but
+ * some applications could consider interesting automatic stack selection based on managed messages (incoming
+ * decoded ones, or built messages to be encoded). By default, on engine construction, no changes are done.
+ * Multithreaded processes should have a unique codec engine for each managed stack (then you don't have to
+ * worry about), but mono processes with multistack implementation over the same-unique engine, should activate
+ * this to have the commonly recommended way to choose the stack: using the Application-Id value.
+ *
+ * @warning do not activate in case of multithreaded applications.
+ * @param enable Activates/deactivates the stack selection from the Application-Id value within the message header.
+ * False by default.
+ */
+ void selectStackWithApplicationId (bool enable) throw() { a_selectStackWithApplicationId = enable; }
+
+ // getters
+
+ /**
+ Gets the currently configured behaviour regarding stack selection for multistack codec engines in mono thread
+ applications.
+
+ @return True if selection is done with the Application-Id. False (default) if no selection is performed (user responsibility).
+ */
+ bool hasSelectStackWithApplicationId (void) throw() { return a_selectStackWithApplicationId; }
+
/**
Gets currently configured dictionary. NULL if not configured (manual encode/decode operations).