HTTPCacheInterruptHandler.h
// -*- 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., 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_cache_interrupt_handler_h
#define http_cache_interrupt_handler_h
#include <signal.h>
#include <cassert>
#include <iostream>
#include <algorithm>
#include "HTTPCache.h"
#include "EventHandler.h"
#include "debug.h"
namespace libdap
{
static void
unlink_file(const string &f)
{
unlink(f.c_str());
}
class HTTPCacheInterruptHandler : public EventHandler
{
private:
public:
HTTPCacheInterruptHandler()
{}
virtual ~HTTPCacheInterruptHandler()
{}
virtual void handle_signal(int signum)
{
assert(signum == SIGINT);
DBG(cerr << "Inside the HTTPCacheInterruptHandler." << endl);
vector<string> *of = &HTTPCache::_instance->d_open_files;
DBG(copy(of->begin(), of->end(),
ostream_iterator<string>(cerr, "\n")));
for_each(of->begin(), of->end(), unlink_file);
HTTPCache::delete_instance();
}
};
} // namespace libdap
#endif // http_cache_interrupt_handler_h
libdap::EventHandler
Definition: EventHandler.h:42
libdap
top level DAP object to house generic methods
Definition: AlarmHandler.h:35
libdap::HTTPCacheInterruptHandler
Definition: HTTPCacheInterruptHandler.h:57
libdap::HTTPCacheInterruptHandler::handle_signal
virtual void handle_signal(int signum)
Definition: HTTPCacheInterruptHandler.h:77