/usr/include/libdap/HTTPResponse.h is in libdap-dev 3.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef http_response_h
#define http_response_h
#include <cstdio>
#include <string>
#include <iostream>
#include <algorithm>
#include <iterator>
#include <vector>
using std::vector ;
#ifndef response_h
#include "Response.h"
#endif
#ifndef _debug_h
#include "debug.h"
#endif
namespace libdap
{
extern int dods_keep_temps; // defined in HTTPConnect.cc
extern void close_temp(FILE *s, const string &name);
/** Encapsulate an http response. Instead of directly returning the FILE
pointer from which a response is read and vector of headers, return an
instance of this object.
@todo Maybe refactor so that the header parsing code is hear and not in
HTTPConnect? */
class HTTPResponse : public Response
{
private:
// TODO Make this a value, not a pointer. Fix all uses and then
// change code in HTTPConnect
vector<string> *d_headers; // Response headers
string d_file; // Temp file that holds response body
protected:
/** @name Suppressed default methods */
//@{
HTTPResponse()
{}
HTTPResponse(const HTTPResponse &rs) : Response(rs)
{}
HTTPResponse &operator=(const HTTPResponse &)
{
throw InternalErr(__FILE__, __LINE__, "Unimplemented assignment");
}
//@}
public:
/** Build an HTTPResponse object. An instance of this class is used to
return an HTTP response (body and headers). If the response is really
from a remote server, the current HTTP code stores the body in a
temporary file and the headers in a vector<string> object. This class
will delete those resources when its destructor is called. If the
response does not have a temporary file that needs to be deleted (say
it actually comes from a local cache or was read directly into
memory), the temp file should be set to "".
@param s FILE * to the response. Read the response body from this
stream.
@param status The HTTP response status code.
@param h Response headers. This class will delete the pointer when
the instance that contains it is destroyed.
@param temp_file Name a the temporary file that holds the response
body; this file is deleted when this instance is deleted. */
HTTPResponse(FILE *s, int status, vector<string> *h, const string &temp_file)
: Response(s, status), d_headers(h), d_file(temp_file)
{
DBG(cerr << "Headers: " << endl);
DBGN(copy(d_headers->begin(), d_headers->end(),
ostream_iterator<string>(cerr, "\n")));
DBGN(cerr << "end of headers." << endl);
}
/** When an instance is destroyed, free the temporary resources: the
temp_file and headers are deleted. If the tmp file name is "", it is
not deleted. */
virtual ~HTTPResponse()
{
DBG(cerr << "Freeing HTTPConnect resources (" + d_file + ")... ");
if (!dods_keep_temps && !d_file.empty()) {
close_temp(get_stream(), d_file);
set_stream(0);
}
delete d_headers; d_headers = 0;
DBGN(cerr << endl);
}
/** @name Accessors */
//@{
virtual vector<string> *get_headers() const
{
return d_headers;
}
virtual string get_file() const
{
return d_file;
}
//@}
/** @name Mutators */
//@{
virtual void set_headers(vector<string> *h)
{
d_headers = h;
}
virtual void set_file(const string &n)
{
d_file = n;
}
//@}
};
} // namespace libdap
#endif // http_response_h
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