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SPServer is a server framework library written on C++ that implements the Half-Sync/Half-Async and Leader/Follower patterns. It's based on libevent in order to utilize the best I/O loop on any platform.

SPServer can simplify TCP server construction. It is a hybrid system between threaded and event-driven, and exploits the advantages of both programming models. It exposes a threaded programming style to programmers, while simultaneously using event-driven style to process network connection.

SPServer also include an embedded http server framework -- sphttp. sphttp can simplify to add web server functionality to any C++ app. It is useful for adding Web-based administration or statistics to any C++ program or becoming the server framework of XML-RPC or JSON-RPC.

SPServer is available through the FreeBSD Ports Collection.

Changelog:

• Fix memory leak in IOCP Server.
• Improve SP_DotTermMsgDecoder performance.

• Added an embedded SMTP server based on spserver and some memory leak bugfixes.

• Add judgement in SP_DefaultMsgDecoder to avoid dead loop
• Safe to close session with empty response
• Add toCloseList in SP_Response, using to terminate other sessions
• Set client ip in SP_Request when using SP_Dispatcher/SP_IocpDispatcher
• Porting to MacOS

• Xyssl socket IO layer for spserver was added
• An abstract layer for socket IO was added for IOCP server framework
• Porting openssl plugin for IOCP server framework
• Porting sptunnel to win32

• A win32 IOCP based server framework was added.
• A win32 IOCP based dispatcher was added.
• Improve demo programs' performance.

• Porting to win32 with MSVC6
• Fix out of buffer write of SP_Buffer (From Jurgen Van Ham)
• Change default listen backlog to 1024
• Remove dependency of libevent/config.h

• GNUTLS socket IO layer for spserver was added

• Matrixssl socket IO layer for spserver was added
• Directory structure refactor

• An ssl proxy, sptunnel, was added

• A timer mechanism for SP_Dispatcher was added
• An abstract layer for socket IO was added
• An openssl socket IO layer for spserver was added

• An Leader/Follower thread pool server was added

• A socket dispatcher that applies a half-async/half-sync thread pool for server/client sockets was added.

• A race condition in get/set of MsgDecoder was fixed.

• A message block class was added to enable efficient manipulation of arbitrarily large messages without incurring much memory copying overhead.

• Added an embedded HTTP server based on spserver and some minor bugfixes.

• version 0.1 release