# net/include/pion/net/HTTPRequestReader.hpp

    00001 // ------------------------------------------------------------------
    00002 // pion-net: a C++ framework for building lightweight HTTP interfaces
    00003 // ------------------------------------------------------------------
    00004 // Copyright (C) 2007-2008 Atomic Labs, Inc.  (http://www.atomiclabs.com)
    00005 //
    00006 // Distributed under the Boost Software License, Version 1.0.
    00007 // See http://www.boost.org/LICENSE_1_0.txt
    00008 //
    00009
    00010 #ifndef __PION_HTTPREQUESTREADER_HEADER__
    00011 #define __PION_HTTPREQUESTREADER_HEADER__
    00012
    00013 #include <boost/asio.hpp>
    00014 #include <boost/bind.hpp>
    00015 #include <boost/function.hpp>
    00016 #include <boost/function/function2.hpp>
    00017 #include <boost/shared_ptr.hpp>
    00018 #include <boost/enable_shared_from_this.hpp>
    00019 #include <pion/PionConfig.hpp>
    00020 #include <pion/net/HTTPRequest.hpp>
    00021 #include <pion/net/HTTPReader.hpp>
    00022
    00023
    00024 namespace pion {    // begin namespace pion
    00025 namespace net {     // begin namespace net (Pion Network Library)
    00026
    00027
    00031 class HTTPRequestReader :
    00032     public HTTPReader,
    00033     public boost::enable_shared_from_this<HTTPRequestReader>
    00034 {
    00035
    00036 public:
    00037
    00039     typedef boost::function3<void, HTTPRequestPtr, TCPConnectionPtr,
    00040         const boost::system::error_code&>   FinishedHandler;
    00041
    00042
    00043     // default destructor
    00044     virtual ~HTTPRequestReader() {}
    00045
    00052     static inline boost::shared_ptr<HTTPRequestReader>
    00053         create(TCPConnectionPtr& tcp_conn, FinishedHandler handler)
    00054     {
    00055         return boost::shared_ptr<HTTPRequestReader>
    00056             (new HTTPRequestReader(tcp_conn, handler));
    00057     }
    00058
    00059
    00060 protected:
    00061
    00068     HTTPRequestReader(TCPConnectionPtr& tcp_conn, FinishedHandler handler)
    00069         : HTTPReader(true, tcp_conn), m_http_msg(new HTTPRequest),
    00070         m_finished(handler)
    00071     {
    00072         m_http_msg->setRemoteIp(tcp_conn->getRemoteIp());
    00073         setLogger(PION_GET_LOGGER("pion.net.HTTPRequestReader"));
    00074     }
    00075
    00077     virtual void readBytes(void) {
    00078         getTCPConnection()->async_read_some(boost::bind(&HTTPRequestReader::consumeBytes,
    00079                                                         shared_from_this(),
    00080                                                         boost::asio::placeholders::error,
    00081                                                         boost::asio::placeholders::bytes_transferred));
    00082     }
    00083
    00085     virtual void finishedReading(const boost::system::error_code& ec) {
    00086         // call the finished handler with the finished HTTP message
    00087         if (m_finished) m_finished(m_http_msg, getTCPConnection(), ec);
    00088     }
    00089
    00091     virtual HTTPMessage& getMessage(void) { return *m_http_msg; }
    00092
    00094     HTTPRequestPtr              m_http_msg;
    00095
    00097     FinishedHandler             m_finished;
    00098 };
    00099
    00100
    00102 typedef boost::shared_ptr<HTTPRequestReader>    HTTPRequestReaderPtr;
    00103
    00104
    00105 }   // end namespace net
    00106 }   // end namespace pion
    00107
    00108 #endif