CppCMS - C++ Web Framework.

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What's new in CppCMS 1.2.0

• Major Changes in this version
• Minor Changes
• API Improvements
  • CppCMS Library
    • Major API Changes in CppCMS:
    • New Major CppCMS Classes:
    • Minor API Changes in CppCMS:
  • Booster API Changes
    • Booster.AIO
• Templates Compiler
• Configuration Changes
• Performance Improvements
• Internal Modifications
• New Contrib (External) Modules

Note: CppCMS 1.2.0 is future stable version of CppCMS 1.1 beta.

Major Changes in this version

• Redesigned applications pool and its API, now it wouldn't create more synchronous applications than threads available.
• New non-blocking I/O mode
• On-the-fly input content processing support
• Improved url-dispatching for better support of RESTful services
• Improved plugin support
• Independent of context use of cache and session interfaces
• Support of non-cookies based session handling
• Integration of session handling with 3rd part technologies: PHP, Java Servlet, Aps.Net and so on and contributed modules.
• Major performance and memory use improvements.
• New <% filter ... %> block specifying default escape filter.
• Headers and Source separation by templates compiler. Special thanks to Lee Elenbaas for the major contribution.

Minor Changes

• New options to internal file server: disable symbolic links changes and asynchronous operation mode.

API Improvements

CppCMS Library

<a name="Major-API-Changes-in-CppCMS:"></a>

Major API Changes in CppCMS:

• cppcms::http::response

  • Flushing of std::ostream &out() now delegates to all underlying filters including gzip compression allowing to flush output in reliable way.
  • Added non-blocking AIO operation API
  • Added API to modify output buffer size

• cppcms::http::request

  • Added an option to install custom content filters for asynchronous applications that would validate input on the fly
  • Added an option to modify various security limits for filters on per request basis,

• cppcms::cache_interface - added an option to use it outside cppcms::http::context scope.

• cppcms::session_interface

  • added an option to use outside of cppcms::http::context scope to enable external
  • added session_interface_cookie_adapter class to simulate cookies operation for non-cookies based session handling
  • added API to retrieve session keys

• Introduced C API for access of CppCMS session for direct library access by other languages/platforms

• cppcms::applications_pool - major API changes

  • Added an API that allows asynchronous applications to behave as uploaded content filters
  • Added application_specific_pool to handle generation of applications, mounting and unmounting them
  • New API for mounting applications with operation mode flags: asynchronous, synchronous, filtering and more.
  • Added different pool management strategies
  • Older style of application mounting isn't recommented to use any more, it will be deprecated in future versions

• cppcms::http::context

  • Added an "official" method to "resubmit" context to a different pool or asynchrouns application
  • Added a context-specific storage API to attach generic data to the storage (for example for passing it between applications)

<a name="New-Major-CppCMS-Classes:"></a>

New Major CppCMS Classes:

• cppcms
  • session_interface_cookie_adapter - a bridge to treat any storage as cookies
  • application_specific_pool - new applications factory
• cppcms::http
  • content_limits - security limits for input data
  • basic_content_filter, raw_content_filter, multipart_content_filter - filters to handle uploaded content via POST or PUT methods.
• C API Classes: cppcms_capi_session_pool, cppcms_capi_session, cppcms_capi_cookie;

<a name="Minor-API-Changes-in-CppCMS:"></a>

Minor API Changes in CppCMS:

• cppcms::http::content_type - added queries for multipart/form-data and url-encoded content types.

• cppcms::http::response - Added add_header() function

• cppcms::http::file

  • added API to modify various parameters
  • added API to get file size as 64 bit on systems std::streampos is 32 bit
  • now data() file pointer is independent of writing to file.
  • added option to specify specific output file rather than a random one.
• cppcms::http::cookie - added API to get expiration times
• cppcms::widgets::base_widget - added readonly attribute
• cppcms::url_dispatcher - extended API to support up to 6 parameters.
• cppcms::application - added option to attach unowned cppcms::http::context
• cppcms::view::generator - added enumerate() function
• cppcms::json
  • Added API to load data from [char const *,char const *) range
  • Added to_json API to convert strings directly
• cppcms::session_pool - added an option to create one independently of cppcms::service for use in plugins.

Booster API Changes

• ptimeadded operator +=/-=
• Added pointer_type to callback
• Added support of ate for booster::nowide::fstream

Booster.AIO

• Added bind call to basic_socket to enable IP binding for both client and server ends.
• *_buffer - added size() and bytes_count() functions
• stream_socket - added bytes_readable() function
• basic_io_device - added set_non_blocking_if_needed member function
• io_service - additional post() options

Templates Compiler

• Added option to generate separate API headers and C++ sources for both plugin management and optional compilation time improvements
• Added jsescape filter
• Added filter block to modify default filter in its scope.

Configuration Changes

• service.async_output_buffer_size - default size of output buffer for asynchronous/non-blocking operations
• service.input_buffer_size - default size of input buffer for multipart/form-data or raw content filter processing.
• service.disable_xpowered_by_version - disable setting of version of CppCMS library in response headers.
• session.disable_automatic_load - disable automatic load of CppCMS session - for non-cookies custom session storage for example
• file_server.check_symlink - enable/disable symbolic links tracking by file server.
• file_server.async - run file-server in asynchronous mode

Performance Improvements

• Improved memory use and reduced memory copying in internal HTTP/FastCGI/SCGI APIs.
• Switched to reactor rather than proactor IO model when possible
• Improved parsing speed of JSON in about 2 times by using std::streambuf directly
• Non-blocking operation mode option provides major performance improvements for asynchronous applications
• Boost.RB-Shared memory allocator replaced with faster, simpler and well known Buddy memory allocator.

Internal Modifications

• Redesigned internal IO models for performance improvements and non-blocking API support.
• Removed dependency on local version of cppcms_boost

New Contrib (External) Modules

• Google Recaptcha module
• Server Sent-Events module
• Session Interface Access from Java, PHP, Asp.Net and Python

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CppCMS is a web development framework for performance demanding applications.

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