X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Ffilter_log.cpp;h=119aa8fcecb65bae7620f8372ff8f613709d7b96;hb=908c8147d8bcef7ed9c84e0c6720a56dd22e6e86;hp=742fd2b48fca016f26ad8ce1f29f57229e54b016;hpb=f82b19f2b93707657fee804bd1242f2548d51ada;p=metaproxy-moved-to-github.git diff --git a/src/filter_log.cpp b/src/filter_log.cpp index 742fd2b..119aa8f 100644 --- a/src/filter_log.cpp +++ b/src/filter_log.cpp @@ -1,53 +1,498 @@ -/* $Id: filter_log.cpp,v 1.3 2005-10-15 14:09:09 adam Exp $ - Copyright (c) 2005, Index Data. +/* This file is part of Metaproxy. + Copyright (C) 2005-2012 Index Data -%LICENSE% - */ +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. + +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. +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ #include "config.hpp" +#include "filter_log.hpp" +#include -#include "filter.hpp" -#include "router.hpp" -#include "package.hpp" +#include +#include +#include +#include -#include "filter_log.hpp" +#include "gduutil.hpp" +#include +#include #include +#include #include +#include +#include +#include +#include + +namespace mp = metaproxy_1; +namespace yf = metaproxy_1::filter; + +namespace metaproxy_1 { + namespace filter { + class Log::Impl { + public: + class LFile; + typedef boost::shared_ptr LFilePtr; + public: + //Impl(); + Impl(const std::string &x = "-"); + ~Impl(); + void process(metaproxy_1::Package & package); + 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_user_access; + bool m_req_apdu; + bool m_res_apdu; + bool m_req_session; + bool m_res_session; + bool m_init_options; + LFilePtr m_file; + std::string m_time_format; + // Only used during confiqgure stage (no threading), + // for performance avoid opening files which other log filter + // instances already have opened + static std::list filter_log_files; + + boost::mutex m_session_mutex; + std::map m_sessions; + }; + + class Log::Impl::LFile { + public: + boost::mutex m_mutex; + std::string m_fname; + FILE *fhandle; + ~LFile(); + LFile(std::string fname); + LFile(std::string fname, FILE *outf); + void log(const std::string &date_format, + std::ostringstream &os); + void flush(); + }; + + } +} + +// 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 +} -#include +void yf::Log::configure(const xmlNode *xmlnode, bool test_only, + const char *path) +{ + m_p->configure(xmlnode); +} + +void yf::Log::process(mp::Package &package) const +{ + m_p->process(package); +} + + +// static initialization +std::list yf::Log::Impl::filter_log_files; + + +yf::Log::Impl::Impl(const std::string &x) + : m_msg_config(x), + m_access(true), + m_user_access(false), + m_req_apdu(false), + m_res_apdu(false), + m_req_session(false), + m_res_session(false), + m_init_options(false), + m_time_format("%H:%M:%S-%d/%m") +{ + openfile(""); +} -yp2::filter::Log::Log() {} -void yp2::filter::Log::process(Package &package) const { +yf::Log::Impl::~Impl() +{ +} + + +void yf::Log::Impl::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_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, "time-format")) + { + m_time_format = mp::xml::get_text(ptr); + } + 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, "user-access")) + m_user_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 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)); + } + } +} - Z_GDU *gdu; +void yf::Log::Impl::process(mp::Package &package) +{ + Z_GDU *gdu = package.request().get(); + std::string user("-"); - gdu = package.request().get(); - if (gdu) + yaz_timing_t timer = yaz_timing_create(); + + // scope for session lock { - ODR odr = odr_createmem(ODR_PRINT); - z_GDU(odr, &gdu, 0, 0); - odr_destroy(odr); + boost::mutex::scoped_lock scoped_lock(m_session_mutex); + + if (gdu && gdu->which == Z_GDU_Z3950) + { + Z_APDU *apdu_req = gdu->u.z3950; + if (apdu_req->which == Z_APDU_initRequest) + { + Z_InitRequest *req = apdu_req->u.initRequest; + Z_IdAuthentication *a = req->idAuthentication; + if (a) + { + if (a->which == Z_IdAuthentication_idPass) + user = a->u.idPass->userId; + else if (a->which == Z_IdAuthentication_open) + user = a->u.open; + + m_sessions[package.session()] = user; + } + } + } + std::map::iterator it = + m_sessions.find(package.session()); + if (it != m_sessions.end()) + user = it->second; + + if (package.session().is_closed()) + m_sessions.erase(package.session()); } + // scope for locking Ostream + { + boost::mutex::scoped_lock scoped_lock(m_file->m_mutex); + + if (m_access) + { + if (gdu) + { + std::ostringstream os; + os << m_msg_config << " " + << package << " " + << "0.000000" << " " + << *gdu; + m_file->log(m_time_format, os); + } + } + + if (m_user_access) + { + if (gdu) + { + std::ostringstream os; + os << m_msg_config << " " << user << " " + << package << " " + << "0.000000" << " " + << *gdu; + m_file->log(m_time_format, os); + } + } + + if (m_req_session) + { + std::ostringstream os; + os << m_msg_config; + os << " request id=" << package.session().id(); + os << " close=" + << (package.session().is_closed() ? "yes" : "no"); + m_file->log(m_time_format, os); + } + + if (m_init_options) + { + if (gdu && gdu->which == Z_GDU_Z3950 && + gdu->u.z3950->which == Z_APDU_initRequest) + { + std::ostringstream os; + os << m_msg_config << " init options:"; + yaz_init_opt_decode(gdu->u.z3950->u.initRequest->options, + option_write, &os); + m_file->log(m_time_format, os); + } + } + + if (m_req_apdu) + { + if (gdu) + { + mp::odr odr(ODR_PRINT); + odr_set_stream(odr, m_file->fhandle, stream_write, 0); + z_GDU(odr, &gdu, 0, 0); + } + } + } + + // unlocked during move package.move(); gdu = package.response().get(); - if (gdu) + + yaz_timing_stop(timer); + double duration = yaz_timing_get_real(timer); + + // scope for locking Ostream + { + boost::mutex::scoped_lock scoped_lock(m_file->m_mutex); + + if (m_access) + { + if (gdu) + { + std::ostringstream os; + os << m_msg_config << " " + << package << " " + << std::fixed << std::setprecision (6) << duration + << " " + << *gdu; + m_file->log(m_time_format, os); + } + } + if (m_user_access) + { + if (gdu) + { + std::ostringstream os; + os << m_msg_config << " " << user << " " + << package << " " + << std::fixed << std::setprecision (6) << duration << " " + << *gdu; + m_file->log(m_time_format, os); + } + } + + if (m_res_session) + { + std::ostringstream os; + os << m_msg_config; + os << " response id=" << package.session().id(); + os << " close=" + << (package.session().is_closed() ? "yes " : "no ") + << "duration=" + << std::fixed << std::setprecision (6) << duration; + m_file->log(m_time_format, os); + } + + if (m_init_options) + { + if (gdu && gdu->which == Z_GDU_Z3950 && + gdu->u.z3950->which == Z_APDU_initResponse) + { + std::ostringstream os; + os << m_msg_config; + os << " init options:"; + yaz_init_opt_decode(gdu->u.z3950->u.initResponse->options, + option_write, &os); + m_file->log(m_time_format, os); + } + } + + if (m_res_apdu) + { + if (gdu) + { + mp::odr odr(ODR_PRINT); + odr_set_stream(odr, m_file->fhandle, stream_write, 0); + z_GDU(odr, &gdu, 0, 0); + } + } + } + m_file->flush(); + yaz_timing_destroy(&timer); +} + + +void yf::Log::Impl::openfile(const std::string &fname) +{ + std::list::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::Impl::stream_write(ODR o, void *handle, int type, const char *buf, int len) +{ + FILE *f = (FILE*) handle; + fwrite(buf, len, 1, f ? f : yaz_log_file()); +} + +void yf::Log::Impl::option_write(const char *name, void *handle) +{ + std::ostringstream *os = (std::ostringstream *) handle; + *os << " " << name; +} + + +yf::Log::Impl::LFile::LFile(std::string fname) : + m_fname(fname) + +{ + if (fname.c_str()) + fhandle = fopen(fname.c_str(), "a"); + else + fhandle = 0; +} + +yf::Log::Impl::LFile::~LFile() +{ +} + +void yf::Log::Impl::LFile::log(const std::string &date_format, + std::ostringstream &os) +{ + if (fhandle) + { + char datestr[80]; + time_t ti = time(0); +#if HAVE_LOCALTIME_R + struct tm tm0, *tm = &tm0; + localtime_r(&ti, tm); +#else + struct tm *tm = localtime(&ti); +#endif + if (strftime(datestr, sizeof(datestr)-1, date_format.c_str(), tm)) + { + fputs(datestr, fhandle); + fputs(" ", fhandle); + } + fputs(os.str().c_str(), fhandle); + fputc('\n', fhandle); + } + else + yaz_log(YLOG_LOG, "%s", os.str().c_str()); +} + +void yf::Log::Impl::LFile::flush() +{ + if (fhandle) + fflush(fhandle); +} + +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 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil - * c-file-style: "stroustrup" * End: * vim: shiftwidth=4 tabstop=8 expandtab */ +