AlarmHandler.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 alarm_handler_h
#define alarm_handler_h
#include <cstdio>
#include <string>
#include "EventHandler.h"
namespace libdap {
class AlarmHandler : public EventHandler {
private:
FILE *d_file; // Sink for the Error object.
string d_version;
public:
// Ensure that d_stream gets initialized...
AlarmHandler() : d_file(0) {}
explicit AlarmHandler(FILE *s)
: d_file(s) //, d_stream( cout )
{}
explicit AlarmHandler(ostream &) : d_file(0) {}
virtual ~AlarmHandler() {
if (d_file)
fclose(d_file);
}
virtual void handle_signal(int signum) {
if (signum != SIGALRM)
throw Error("SIGALRM handler caught another signal!");
throw Error("Timeout");
}
};
} // namespace libdap
#endif
libdap::AlarmHandler
Definition AlarmHandler.h:44
libdap::AlarmHandler::AlarmHandler
AlarmHandler(ostream &)
Definition AlarmHandler.h:60
libdap::AlarmHandler::handle_signal
virtual void handle_signal(int signum)
Definition AlarmHandler.h:78
libdap::Error
A class for error processing.
Definition Error.h:92
libdap::EventHandler
Definition EventHandler.h:41
libdap
top level DAP object to house generic methods
Definition AlarmHandler.h:35