libdap++ Updated for version 3.8.2
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 // 00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112. 00025 00026 #ifndef http_cache_interrupt_handler_h 00027 #define http_cache_interrupt_handler_h 00028 00029 #include <signal.h> 00030 00031 #include <cassert> 00032 #include <iostream> 00033 #include <algorithm> 00034 00035 #include "HTTPCache.h" 00036 #include "EventHandler.h" 00037 #include "debug.h" 00038 00039 namespace libdap 00040 { 00041 00042 static void 00043 unlink_file(const string &f) 00044 { 00045 unlink(f.c_str()); 00046 } 00047 00057 class HTTPCacheInterruptHandler : public EventHandler 00058 { 00059 private: 00060 00061 public: 00063 HTTPCacheInterruptHandler() 00064 {} 00065 00067 virtual ~HTTPCacheInterruptHandler() 00068 {} 00069 00077 virtual void handle_signal(int signum) 00078 { 00079 assert(signum == SIGINT); 00080 DBG(cerr << "Inside the HTTPCacheInterruptHandler." << endl); 00081 00082 vector<string> *of = &HTTPCache::_instance->d_open_files; 00083 00084 DBG(copy(of->begin(), of->end(), 00085 ostream_iterator<string>(cerr, "\n"))); 00086 00087 for_each(of->begin(), of->end(), unlink_file); 00088 00089 HTTPCache::delete_instance(); 00090 } 00091 }; 00092 00093 } // namespace libdap 00094 00095 #endif // http_cache_interrupt_handler_h