lib/space/networks/slurp.cc

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2002, 2008, 2009, 2011, 2012 Peter Miller
//
// This program 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 of the License, or (at
// your option) any later version.
//
// This program 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, see <http://www.gnu.org/licenses/>.
//

#include <lib/space/networks/slurp.h>
#include <lib/symtab.h>


space_networks_slurp::~space_networks_slurp()
{
}


space_networks_slurp::space_networks_slurp(const rcstring &a_filename) :
    space_networks(a_filename)
{
}


space_networks_slurp::pointer
space_networks_slurp::create(const rcstring &a_filename)
{
    return pointer(new space_networks_slurp(a_filename));
}


void
space_networks_slurp::process(const record::pointer &rp)
{
    if (rp->representation().size() >= 512)
    {
        error
        (
            rp->get_source_location(),
            "record too long (NIS limits records to 511 bytes, "
            "and NIS+ limits records to 1024 bytes"
        );
    }

    //
    // index by name
    //
    {
        by_name_t::iterator it = by_name.find(rp->get_name());
        if (it != by_name.end())
        {
            error
            (
                rp->get_source_location(),
                "duplicate %s network name...",
                rp->get_name().quote_c().c_str()
            );
            error
            (
                it->second->get_source_location(),
                "... here is the first %s network name",
                rp->get_name().quote_c().c_str()
            );
        }
        else
        {
            by_name.insert(by_addr_t::value_type(rp->get_name(), rp));
        }
    }

    //
    // index by address
    //
    {
        by_addr_t::iterator it = by_addr.find(rp->get_number());
        if (it != by_addr.end())
        {
            error
            (
                rp->get_source_location(),
                "duplicate %s network number...",
                rp->get_number().quote_c().c_str()
            );
            error
            (
                it->second->get_source_location(),
                "... here is the first %s network number",
                it->second->get_number().quote_c().c_str()
            );
        }
        else
        {
            by_addr.insert(by_addr_t::value_type(rp->get_number(), rp));
        }
    }

    //
    // index the aliases by name, too
    //
    const record::aliases_t &aliases = rp->get_aliases();
    for
    (
        record::aliases_t::const_iterator ait = aliases.begin();
        ait != aliases.end();
        ++ait
    )
    {
        by_name_t::iterator it = by_name.find(*ait);
        if (it != by_name.end())
        {
            error
            (
                rp->get_source_location(),
                "duplicate %s network name...",
                ait->quote_c().c_str()
            );
            error
            (
                it->second->get_source_location(),
                "... here is the first %s network name",
                ait->quote_c().c_str()
            );
        }
        else
        {
            by_name.insert(by_addr_t::value_type(*ait, rp));
        }
    }
}


void
space_networks_slurp::read_and_process(void)
{
    for (;;)
    {
        record::pointer rp = get();
        if (!rp)
            break;
        process(rp);
    }
    close();
}


space_networks::record::pointer
space_networks_slurp::query_by_name(const rcstring &name)
    const
{
    by_name_t::const_iterator it = by_name.find(name);
    if (it == by_name.end())
        return record::pointer();
    return it->second;
}


space_networks::record::pointer
space_networks_slurp::query_by_address(const rcstring &addr)
    const
{
    by_addr_t::const_iterator it = by_addr.find(addr);
    if (it == by_addr.end())
        return record::pointer();
    return it->second;
}


// vim: set ts=8 sw=4 et :