/usr/include/libdap/HTTPCacheResponse.h is in libdap-dev 3.11.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | // -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef cache_http_response_h
#define cache_http_response_h
#include <cstdio>
#ifndef response_h
#include "Response.h"
#endif
#ifndef _debug_h
#include "debug.h"
#endif
namespace libdap
{
/** Encapsulate a response. Instead of directly returning the FILE pointer
from which a response is read, return an instance of this object. */
class HTTPCacheResponse : public HTTPResponse
{
private:
HTTPCache *d_cache; // pointer to singleton instance
protected:
/** @name Suppressed default methods */
//@{
HTTPCacheResponse()
{}
HTTPCacheResponse(const HTTPCacheResponse &rs) : HTTPResponse(rs)
{}
HTTPCacheResponse &operator=(const HTTPCacheResponse &)
{
throw InternalErr(__FILE__, __LINE__, "Unimplemented assignment");
}
//@}
public:
/** Build a Response object. Instances of this class are used to
represent responses from a local HTTP/1.1 cache. The stream and
headers pointer are passed to the parent (HTTPResponse); there's no
temporary file for the parent to manage since the body is read from a
file managed by the cache subsystem. This class releases the lock on
the cache entry when the destructor is called. */
HTTPCacheResponse(FILE *s, int status_code, vector<string> *headers, HTTPCache *c)
: HTTPResponse(s, status_code, headers, ""), d_cache(c)
{}
/** Build a Response object. Instances of this class are used to
represent responses from a local HTTP/1.1 cache. The stream and
headers pointer are passed to the parent (HTTPResponse); there's no
temporary file for the parent to manage since the body is read from a
file managed by the cache subsystem. This class releases the lock on
the cache entry when the destructor is called. */
HTTPCacheResponse(FILE *s, int status_code, vector<string> *headers,
const string &file_name, HTTPCache *c)
: HTTPResponse(s, status_code, headers, file_name), d_cache(c)
{}
/** Free the cache entry lock. Call the parent's destructor. */
virtual ~HTTPCacheResponse()
{
DBG(cerr << "Freeing HTTPCache resources... ");
set_file(""); // This keeps ~HTTPResponse() from removing the cache entry.
d_cache->release_cached_response(get_stream());
DBGN(cerr << endl);
}
};
} // namespace libdap
#endif // cache_http_response_h
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