package.cpp

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/* This file is part of Metaproxy.
   Copyright (C) Index Data
 
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 <metaproxy/package.hpp>
#include <yaz/snprintf.h>
#include <yaz/log.h>
 
#include <sstream>
 
namespace mp = metaproxy_1;
 
namespace metaproxy_1 {
    class Package::PackageLogger : boost::noncopyable {
        friend class Package;
        std::string str;
    };
}
 
mp::Package::Package()
    : m_route_pos(0)
{
}
 
mp::Package::~Package()
{
    delete m_route_pos;
}
 
mp::Package::Package(mp::Session &session, const mp::Origin &origin)
    : m_session(session), m_origin(origin),
      m_route_pos(0)
{
}
 
mp::Package & mp::Package::copy_filter(const Package &p)
{
    p_logger = p.p_logger;
    copy_route(p);
    return *this;
}
 
void mp::Package::copy_route(const Package &p)
{
    delete m_route_pos;
    m_route_pos = p.m_route_pos->clone();
}
 
void mp::Package::move()
{
    if (m_route_pos)
    {
        const filter::Base *next_filter = m_route_pos->move(0);
        if (next_filter)
            next_filter->process(*this);
    }
}
 
void mp::Package::move(std::string route)
{
    if (m_route_pos)
    {
        const char *r_cstr = route.length() ? route.c_str() : 0;
        const filter::Base *next_filter = m_route_pos->move(r_cstr);
        if (next_filter)
            next_filter->process(*this);
    }
}
 
 
mp::Session & mp::Package::session()
{
    return m_session;
}
 
mp::Origin mp::Package::origin() const
{
    return m_origin;
}
 
mp::Origin & mp::Package::origin()
{
    return m_origin;
}
 
mp::Package & mp::Package::router(const mp::Router &router)
{
    m_route_pos = router.createpos();
    return *this;
}
 
yazpp_1::GDU &mp::Package::request()
{
    return m_request_gdu;
}
 
 
yazpp_1::GDU &mp::Package::response()
{
    return m_response_gdu;
}
 
mp::Session mp::Package::session() const
{
    return m_session;
}
 
std::ostream& std::operator<<(std::ostream& os, const mp::Package& p)
{
    os << p.origin() << " ";
    os << p.session().id();
    return os;
}
 
void mp::Package::log(const char *module, int level, const char *fmt, ...)
{
    char buf[4096];
    va_list ap;
    va_start(ap, fmt);
 
    buf[0] = ' ';
    yaz_vsnprintf(buf + 1, sizeof(buf)-30, fmt, ap);
 
    std::ostringstream os;
 
    os << module << " " << *this << buf;
 
    va_end(ap);
    yaz_log(level, "%s", os.str().c_str());
 
    if (p_logger)
        p_logger->str += std::string(module) + std::string(buf) + std::string("\n");
}
 
void mp::Package::log_enable(void)
{
    p_logger.reset(new PackageLogger);
}
 
void mp::Package::log_write(const char *buf, size_t sz)
{
    if (p_logger)
        p_logger->str += std::string(buf, sz);
}
 
void mp::Package::log_reset(std::string &res)
{
    if (p_logger)
    {
        res = p_logger->str;
        // p_logger->str.clear();
        p_logger.reset();
    }
}
 
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */