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/* $Id: message.cpp 1649 2009-10-19 14:35:01Z terpstra $
*
* message.cpp - Cleanup after a message/ command
*
* Copyright (C) 2002 - Wesley W. Terpstra
*
* License: GPL
*
* Authors: 'Wesley W. Terpstra' <wesley@terpstra.ca>
*
* 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; version 2.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _FILE_OFFSET_BITS 64
#include "PTable.h"
#include <Keys.h>
#include <iostream>
using namespace std;
bool PTable::test_message(KSI ks)
{
const string::size_type skip = sizeof("message"); // null is /
return MessageId::is_full(ks->first.c_str() + skip);
}
void PTable::calc_message(KSI ks)
{
/* Messages themselves never change
*
* ... but messages include:
* list info (from config file)
* thread info
* next/prev for each mbox info
*
* Policy:
* kill if obsolete due to above
* kill if older than a fixed time
* kill if no recent accesses
*/
if (!test_message(ks))
{
if (verbose)
cout << ks->first << ": not a lurker file." << endl;
return;
}
MessageId id(ks->first.c_str() + 8);
if (ks->second.mtime <= cfg.modified)
{ // die - it's older than the config file
ks->second.kill = true;
if (verbose)
cout << ks->first << ": older than config file." << endl;
return;
}
if (now - ks->second.mtime >= modifiedLimit)
{
ks->second.kill = true;
if (verbose)
cout << ks->first << ": expired due to maximum age." << endl;
return;
}
if (now - ks->second.atime >= accessedLimit)
{
ks->second.kill = true;
if (verbose)
cout << ks->first << ": expired due to no access." << endl;
return;
}
Summary& sum = summaries[id];
string tid(subject_hash(sum.subject.c_str()));
if (threads.find(tid) != threads.end())
{ // die - the thread changed
ks->second.kill = true;
if (verbose)
cout << ks->first << ": thread modified." << endl;
return;
}
set<string>::const_iterator list;
for (list = sum.lists.begin(); list != sum.lists.end(); ++list)
{
const MessageIds& ids = lists[*list];
MessageIds::const_iterator self = ids.find(id);
if (self == ids.end())
{
// if it can't find us, then we are not in the range
// of messages whose mindex is affected by import
continue;
}
MessageIds::const_iterator next = self; ++next;
MessageIds::const_iterator prev = self; --prev;
Summaries::const_iterator ns, ps;
if (prev != ids.end() &&
(ps = summaries.find(*prev)) != summaries.end() &&
ps->second.changed)
{
ks->second.kill = true;
if (verbose)
cout << ks->first << ": previous message changed in '" << *list << "'." << endl;
return;
}
if (next != ids.end() &&
(ns = summaries.find(*next)) != summaries.end() &&
ns->second.changed)
{
ks->second.kill = true;
if (verbose)
cout << ks->first << ": next message changed in '" << *list << "'." << endl;
return;
}
}
if (verbose)
cout << ks->first << ": not expired" << endl;
}
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