-/* $Id: filter_log.cpp,v 1.3 2005-10-15 14:09:09 adam Exp $
- Copyright (c) 2005, Index Data.
+/* $Id: filter_log.cpp,v 1.29 2007-05-09 21:23:09 adam Exp $
+ Copyright (c) 2005-2007, Index Data.
-%LICENSE%
- */
+This file is part of Metaproxy.
+Metaproxy is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-#include "config.hpp"
+Metaproxy 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 General Public License
+for more details.
-#include "filter.hpp"
-#include "router.hpp"
-#include "package.hpp"
+You should have received a copy of the GNU General Public License
+along with Metaproxy; see the file LICENSE. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+ */
#include "filter_log.hpp"
+#include "config.hpp"
+#include "package.hpp"
+
+#include <string>
+#include <sstream>
+#include <boost/thread/mutex.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include "gduutil.hpp"
+#include "util.hpp"
+#include "xmlutil.hpp"
+
+#include <fstream>
#include <yaz/zgdu.h>
-#include <yaz/log.h>
+#include <yaz/wrbuf.h>
+#include <yaz/querytowrbuf.h>
-#include <iostream>
-yp2::filter::Log::Log() {}
+namespace mp = metaproxy_1;
+namespace yf = metaproxy_1::filter;
-void yp2::filter::Log::process(Package &package) const {
+namespace metaproxy_1 {
+ namespace filter {
+
+ class Log::Impl {
+ public:
+ class LFile;
+ typedef boost::shared_ptr<Log::Impl::LFile> LFilePtr;
+ public:
+ //Impl();
+ Impl(const std::string &x = "");
+ ~Impl();
+ void process(metaproxy_1::Package & package) const;
+ void configure(const xmlNode * ptr);
+ private:
+ void openfile(const std::string &fname);
+ // needs to be static to be called by C pointer-to-function-syntax
+ static void stream_write(ODR o, void *handle, int type,
+ const char *buf, int len);
+ // needs to be static to be called by C pointer-to-function-syntax
+ static void option_write(const char *name, void *handle);
+ private:
+ std::string m_msg_config;
+ bool m_access;
+ bool m_req_apdu;
+ bool m_res_apdu;
+ bool m_req_session;
+ bool m_res_session;
+ bool m_init_options;
+ LFilePtr m_file;
+ // Only used during configure stage (no threading),
+ // for performance avoid opening files which other log filter
+ // instances already have opened
+ static std::list<LFilePtr> filter_log_files;
+ };
+
+ class Log::Impl::LFile {
+ public:
+ boost::mutex m_mutex;
+ std::string m_fname;
+ std::ofstream fout;
+ std::ostream &out;
+ LFile(std::string fname);
+ LFile(std::string fname, std::ostream &use_this);
+ };
+
+ }
+}
+
+// define Pimpl wrapper forwarding to Impl
+
+yf::Log::Log() : m_p(new Impl)
+{
+}
+
+yf::Log::Log(const std::string &x) : m_p(new Impl(x))
+{
+}
+
+yf::Log::~Log()
+{ // must have a destructor because of boost::scoped_ptr
+}
+
+void yf::Log::configure(const xmlNode *xmlnode)
+{
+ m_p->configure(xmlnode);
+}
+
+void yf::Log::process(mp::Package &package) const
+{
+ m_p->process(package);
+}
+
+
+// define Implementation stuff
+
+// static initialization
+std::list<yf::Log::Impl::LFilePtr> yf::Log::Impl::filter_log_files;
- Z_GDU *gdu;
- gdu = package.request().get();
- if (gdu)
+// yf::Log::Impl::Impl()
+// {
+// m_access = true;
+// m_req_apdu = false;
+// m_res_apdu = false;
+// m_req_session = false;
+// m_res_session = false;
+// m_init_options = false;
+// openfile("");
+// }
+
+yf::Log::Impl::Impl(const std::string &x)
+ : m_msg_config(x),
+ m_access(true),
+ m_req_apdu(false),
+ m_res_apdu(false),
+ m_req_session(false),
+ m_res_session(false),
+ m_init_options(false)
+{
+ openfile("");
+}
+
+
+yf::Log::Impl::~Impl()
+{
+}
+
+
+void yf::Log::Impl::configure(const xmlNode *ptr)
+{
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
{
- ODR odr = odr_createmem(ODR_PRINT);
- z_GDU(odr, &gdu, 0, 0);
- odr_destroy(odr);
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "message"))
+ m_msg_config = mp::xml::get_text(ptr);
+ else if (!strcmp((const char *) ptr->name, "filename"))
+ {
+ std::string fname = mp::xml::get_text(ptr);
+ openfile(fname);
+ }
+ else if (!strcmp((const char *) ptr->name, "category"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name,
+ "access"))
+ m_access =
+ mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name, "request-apdu"))
+ m_req_apdu = mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name, "response-apdu"))
+ m_res_apdu = mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name, "apdu"))
+ {
+ m_req_apdu = mp::xml::get_bool(attr->children, true);
+ m_res_apdu = m_req_apdu;
+ }
+ else if (!strcmp((const char *) attr->name,
+ "request-session"))
+ m_req_session =
+ mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name,
+ "response-session"))
+ m_res_session =
+ mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name,
+ "session"))
+ {
+ m_req_session =
+ mp::xml::get_bool(attr->children, true);
+ m_res_session = m_req_session;
+ }
+ else if (!strcmp((const char *) attr->name,
+ "init-options"))
+ m_init_options =
+ mp::xml::get_bool(attr->children, true);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException("Bad element "
+ + std::string((const char *)
+ ptr->name));
+ }
+ }
+}
+
+void yf::Log::Impl::process(mp::Package &package) const
+{
+ Z_GDU *gdu;
+
+ // getting timestamp for receiving of package
+ boost::posix_time::ptime receive_time
+ = boost::posix_time::microsec_clock::local_time();
+
+
+
+ // scope for locking Ostream
+ {
+ boost::mutex::scoped_lock scoped_lock(m_file->m_mutex);
+
+
+ if (m_access)
+ {
+ gdu = package.request().get();
+ if (gdu)
+ {
+ m_file->out
+ //<< receive_time << " "
+ //<< to_iso_string(receive_time) << " "
+ << to_iso_extended_string(receive_time) << " "
+ << m_msg_config << " "
+ << package << " "
+ << "000000.000000" << " "
+ << *gdu
+ << "\n";
+ }
+ }
+
+ if (m_req_session)
+ {
+ m_file->out << receive_time << " " << m_msg_config;
+ m_file->out << " request id=" << package.session().id();
+ m_file->out << " close="
+ << (package.session().is_closed() ? "yes" : "no")
+ << "\n";
+ }
+
+ if (m_init_options)
+ {
+ gdu = package.request().get();
+ if (gdu && gdu->which == Z_GDU_Z3950 &&
+ gdu->u.z3950->which == Z_APDU_initRequest)
+ {
+ m_file->out << receive_time << " " << m_msg_config;
+ m_file->out << " init options:";
+ yaz_init_opt_decode(gdu->u.z3950->u.initRequest->options,
+ option_write, m_file.get());
+ m_file->out << "\n";
+ }
+ }
+
+ if (m_req_apdu)
+ {
+ gdu = package.request().get();
+ if (gdu)
+ {
+ mp::odr odr(ODR_PRINT);
+ odr_set_stream(odr, m_file.get(), stream_write, 0);
+ z_GDU(odr, &gdu, 0, 0);
+ }
+ }
+ m_file->out.flush();
}
+
+ // unlocked during move
package.move();
- gdu = package.response().get();
- if (gdu)
+ // getting timestamp for sending of package
+ boost::posix_time::ptime send_time
+ = boost::posix_time::microsec_clock::local_time();
+
+ boost::posix_time::time_duration duration = send_time - receive_time;
+
+ // scope for locking Ostream
+ {
+ boost::mutex::scoped_lock scoped_lock(m_file->m_mutex);
+
+ if (m_access)
+ {
+ gdu = package.response().get();
+ if (gdu)
+ {
+ m_file->out
+ //<< send_time << " "
+ //<< to_iso_string(send_time) << " "
+ << to_iso_extended_string(send_time) << " "
+ << m_msg_config << " "
+ << package << " "
+ << to_iso_string(duration) << " "
+ << *gdu
+ << "\n";
+ }
+ }
+
+ if (m_res_session)
+ {
+ m_file->out << send_time << " " << m_msg_config;
+ m_file->out << " response id=" << package.session().id();
+ m_file->out << " close="
+ << (package.session().is_closed() ? "yes " : "no ")
+ << "duration=" << duration
+ << "\n";
+ }
+
+ if (m_init_options)
+ {
+ gdu = package.response().get();
+ if (gdu && gdu->which == Z_GDU_Z3950 &&
+ gdu->u.z3950->which == Z_APDU_initResponse)
+ {
+ m_file->out << receive_time << " " << m_msg_config;
+ m_file->out << " init options:";
+ yaz_init_opt_decode(gdu->u.z3950->u.initResponse->options,
+ option_write, m_file.get());
+ m_file->out << "\n";
+ }
+ }
+
+ if (m_res_apdu)
+ {
+ gdu = package.response().get();
+ if (gdu)
+ {
+ mp::odr odr(ODR_PRINT);
+ odr_set_stream(odr, m_file.get(), stream_write, 0);
+ z_GDU(odr, &gdu, 0, 0);
+ }
+ }
+
+ m_file->out.flush();
+ }
+}
+
+
+void yf::Log::Impl::openfile(const std::string &fname)
+{
+ std::list<LFilePtr>::const_iterator it
+ = filter_log_files.begin();
+ for (; it != filter_log_files.end(); it++)
{
- ODR odr = odr_createmem(ODR_PRINT);
- z_GDU(odr, &gdu, 0, 0);
- odr_destroy(odr);
+ if ((*it)->m_fname == fname)
+ {
+ m_file = *it;
+ return;
+ }
}
+ // open stdout for empty file
+ LFilePtr newfile(fname.length() == 0
+ ? new LFile(fname, std::cout)
+ : new LFile(fname));
+ filter_log_files.push_back(newfile);
+ m_file = newfile;
+}
+
+
+void yf::Log::Impl::stream_write(ODR o, void *handle, int type, const char *buf, int len)
+{
+ yf::Log::Impl::LFile *lfile = (yf::Log::Impl::LFile*) handle;
+ lfile->out.write(buf, len);
+}
+
+void yf::Log::Impl::option_write(const char *name, void *handle)
+{
+ yf::Log::Impl::LFile *lfile = (yf::Log::Impl::LFile*) handle;
+ lfile->out << " " << name;
+}
+
+
+yf::Log::Impl::LFile::LFile(std::string fname) :
+ m_fname(fname), fout(fname.c_str()), out(fout)
+{
}
+yf::Log::Impl::LFile::LFile(std::string fname, std::ostream &use_this) :
+ m_fname(fname), out(use_this)
+{
+}
+
+
+
+
+static mp::filter::Base* filter_creator()
+{
+ return new mp::filter::Log;
+}
+
+extern "C" {
+ struct metaproxy_1_filter_struct metaproxy_1_filter_log = {
+ 0,
+ "log",
+ filter_creator
+ };
+}
/*
* Local variables: