+/* $Id: filter_log.cpp,v 1.20 2006-06-20 22:29:39 adam Exp $
+ Copyright (c) 2005-2006, Index Data.
+ See the LICENSE file for details
+ */
#include "config.hpp"
-#include "filter.hpp"
-#include "router.hpp"
#include "package.hpp"
+#include <string>
+#include <boost/thread/mutex.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+#include "util.hpp"
+#include "xmlutil.hpp"
#include "filter_log.hpp"
+#include <fstream>
#include <yaz/zgdu.h>
-#include <yaz/log.h>
-#include <iostream>
+namespace mp = metaproxy_1;
+namespace yf = metaproxy_1::filter;
+
+namespace metaproxy_1 {
+ namespace filter {
+ class Log::LFile {
+ public:
+ boost::mutex m_mutex;
+ std::string m_fname;
+ std::ofstream out;
+ LFile(std::string fname);
+ };
+ typedef boost::shared_ptr<Log::LFile> LFilePtr;
+ class Log::Rep {
+ friend class Log;
+ Rep();
+ void openfile(const std::string &fname);
+ std::string m_msg;
+ LFilePtr m_file;
+ bool m_req_apdu;
+ bool m_res_apdu;
+ bool m_req_session;
+ bool m_res_session;
+ bool m_init_options;
+ };
+ // Only used during configure stage (no threading)
+ static std::list<LFilePtr> filter_log_files;
+ }
+}
+
+yf::Log::Rep::Rep()
+{
+ m_req_apdu = true;
+ m_res_apdu = true;
+ m_req_session = true;
+ m_res_session = true;
+ m_init_options = false;
+}
+
+yf::Log::Log(const std::string &x) : m_p(new Rep)
+{
+ m_p->m_msg = x;
+}
+
+yf::Log::Log() : m_p(new Rep)
+{
+}
+
+yf::Log::~Log() {}
-yp2::filter::Log::Log() {}
+void stream_write(ODR o, void *handle, int type, const char *buf, int len)
+{
+ yf::Log::LFile *lfile = (yf::Log::LFile*) handle;
+ lfile->out.write(buf, len);
+}
-void yp2::filter::Log::process(Package &package) const {
+void option_write(const char *name, void *handle)
+{
+ yf::Log::LFile *lfile = (yf::Log::LFile*) handle;
+ lfile->out << " " << name;
+}
+void yf::Log::process(mp::Package &package) const
+{
Z_GDU *gdu;
- gdu = package.request().get();
- if (gdu)
- {
- ODR odr = odr_createmem(ODR_PRINT);
- z_GDU(odr, &gdu, 0, 0);
- odr_destroy(odr);
+ // 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_p->m_file->m_mutex);
+
+ if (m_p->m_req_session)
+ {
+ m_p->m_file->out << receive_time << " " << m_p->m_msg;
+ m_p->m_file->out << " request id=" << package.session().id();
+ m_p->m_file->out << " close="
+ << (package.session().is_closed() ? "yes" : "no")
+ << "\n";
+ }
+ if (m_p->m_init_options)
+ {
+ gdu = package.request().get();
+ if (gdu && gdu->which == Z_GDU_Z3950 &&
+ gdu->u.z3950->which == Z_APDU_initRequest)
+ {
+ m_p->m_file->out << receive_time << " " << m_p->m_msg;
+ m_p->m_file->out << " init options:";
+ yaz_init_opt_decode(gdu->u.z3950->u.initRequest->options,
+ option_write, m_p->m_file.get());
+ m_p->m_file->out << "\n";
+ }
+ }
+
+ if (m_p->m_req_apdu)
+ {
+ gdu = package.request().get();
+ if (gdu)
+ {
+ mp::odr odr(ODR_PRINT);
+ odr_set_stream(odr, m_p->m_file.get(), stream_write, 0);
+ z_GDU(odr, &gdu, 0, 0);
+ }
+ }
+ m_p->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_p->m_file->m_mutex);
+ if (m_p->m_res_session)
+ {
+ m_p->m_file->out << send_time << " " << m_p->m_msg;
+ m_p->m_file->out << " response id=" << package.session().id();
+ m_p->m_file->out << " close="
+ << (package.session().is_closed() ? "yes " : "no ")
+ << "duration=" << duration
+ << "\n";
+ }
+ if (m_p->m_init_options)
+ {
+ gdu = package.response().get();
+ if (gdu && gdu->which == Z_GDU_Z3950 &&
+ gdu->u.z3950->which == Z_APDU_initResponse)
+ {
+ m_p->m_file->out << receive_time << " " << m_p->m_msg;
+ m_p->m_file->out << " init options:";
+ yaz_init_opt_decode(gdu->u.z3950->u.initResponse->options,
+ option_write, m_p->m_file.get());
+ m_p->m_file->out << "\n";
+ }
+ }
+ if (m_p->m_res_apdu)
+ {
+ gdu = package.response().get();
+ if (gdu)
+ {
+ mp::odr odr(ODR_PRINT);
+ odr_set_stream(odr, m_p->m_file.get(), stream_write, 0);
+ z_GDU(odr, &gdu, 0, 0);
+ }
+ }
+ m_p->m_file->out.flush();
+ }
+}
+
+yf::Log::LFile::LFile(std::string fname) : m_fname(fname)
+{
+ out.open(fname.c_str());
+}
+
+void yf::Log::Rep::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;
+ }
}
+ LFilePtr newfile(new LFile(fname));
+ filter_log_files.push_back(newfile);
+ m_file = newfile;
}
+void yf::Log::configure(const xmlNode *ptr)
+{
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "message"))
+ m_p->m_msg = mp::xml::get_text(ptr);
+ else if (!strcmp((const char *) ptr->name, "filename"))
+ {
+ std::string fname = mp::xml::get_text(ptr);
+ m_p->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, "request-apdu"))
+ m_p->m_req_apdu = mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name, "response-apdu"))
+ m_p->m_res_apdu = mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name, "apdu"))
+ {
+ m_p->m_req_apdu = mp::xml::get_bool(attr->children, true);
+ m_p->m_res_apdu = m_p->m_req_apdu;
+ }
+ else if (!strcmp((const char *) attr->name,
+ "request-session"))
+ m_p->m_req_session =
+ mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name,
+ "response-session"))
+ m_p->m_res_session =
+ mp::xml::get_bool(attr->children, true);
+ else if (!strcmp((const char *) attr->name,
+ "session"))
+ {
+ m_p->m_req_session =
+ mp::xml::get_bool(attr->children, true);
+ m_p->m_res_session = m_p->m_req_session;
+ }
+ else if (!strcmp((const char *) attr->name,
+ "init-options"))
+ m_p->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));
+ }
+ }
+ if (!m_p->m_file)
+ m_p->openfile("metaproxy.log");
+}
+
+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:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * c-file-style: "stroustrup"
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */