libdap  Updated for version 3.17.0
HTTPCacheResponse.h
00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 #ifndef cache_http_response_h
00027 #define cache_http_response_h
00028 
00029 #include <cstdio>
00030 
00031 #ifndef response_h
00032 #include "Response.h"
00033 #endif
00034 
00035 #ifndef _debug_h
00036 #include "debug.h"
00037 #endif
00038 
00039 namespace libdap
00040 {
00041 
00044 class HTTPCacheResponse : public HTTPResponse
00045 {
00046 private:
00047     HTTPCache *d_cache;  // pointer to singleton instance
00048 
00049 protected:
00052     HTTPCacheResponse();
00053     HTTPCacheResponse(const HTTPCacheResponse &rs);
00054     HTTPCacheResponse &operator=(const HTTPCacheResponse &);
00056 
00057 public:
00064     HTTPCacheResponse(FILE *s, int status_code, vector<string> *headers, HTTPCache *c)
00065             : HTTPResponse(s, status_code, headers, ""), d_cache(c)
00066     {}
00067 
00074     HTTPCacheResponse(FILE *s, int status_code, vector<string> *headers,
00075             const string &file_name, HTTPCache *c)
00076             : HTTPResponse(s, status_code, headers, file_name), d_cache(c)
00077     {}
00078 
00080     virtual ~HTTPCacheResponse()
00081     {
00082         DBG(cerr << "Freeing HTTPCache resources... ");
00083         set_file(""); // This keeps ~HTTPResponse() from removing the cache entry.
00084         d_cache->release_cached_response(get_stream());
00085         DBGN(cerr << endl);
00086     }
00087 };
00088 
00089 } // namespace libdap
00090 
00091 #endif // cache_http_response_h