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deb-goldedplus/goldlib/gmb3/gmojamm1.cpp

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2000-02-25 10:15:17 +00:00
// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library 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
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// JAM msgbase implementation, initialization.
// ------------------------------------------------------------------
// ------------------------------------------------------------------
#include <gdbgerr.h>
#include <gmemdbg.h>
#include <gdbgtrk.h>
#include <gstrall.h>
#include <gcrcall.h>
#include <gmojamm.h>
// ------------------------------------------------------------------
JamWide* jamwide = NULL;
JamData* jamdata = NULL;
int jamdatano = 0;
// ------------------------------------------------------------------
void JamExit() {
throw_xrelease(jamwide);
throw_xrelease(jamdata);
}
// ------------------------------------------------------------------
void JamInit(const char* jampath, int harddelete) {
GFTRK("JamInit");
jamdata = (JamData*)throw_calloc(2, sizeof(JamData));
jamwide = (JamWide*)throw_calloc(1, sizeof(JamWide));
jamwide->jampath = jampath;
jamwide->harddelete = harddelete;
// Calculate CRC32 of our username for the lastreads
INam _name;
strlwr(strcpy(_name, WideUsername[0]));
jamwide->userid = jamwide->usercrc = strCrc32(_name, NO, CRC32_MASK_CCITT);
// Enable replies lookahead feature
jamwide->lookreplies = true;
GFTRK(NULL);
}
// ------------------------------------------------------------------
void JamArea::open() {
GFTRK("JamArea::open");
isopen++;
if(isopen > 2) {
WideLog->ErrTest();
WideLog->printf("! Trying to open a JAM msgbase more than twice.");
WideLog->printf(": %s, %s.", echoid(), path());
WideLog->printf("+ Info: This indicates a serious bug.");
WideLog->printf("+ Advice: Report to the Author immediately.");
TestErrorExit();
}
if(isopen == 1) {
data_open();
open_area();
scan();
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void JamArea::save_lastread() {
GFTRK("JamArea::save_lastread");
// Lock area while we are updating
lock();
// Update .JLR record
data->lastrec.lastread = Msgn->CvtReln(lastread);
if(data->lastrec.lastread > data->lastrec.highread)
data->lastrec.highread = data->lastrec.lastread;
// Seek to users lastread position
lseekset(data->fhjlr, data->lastpos, sizeof(JamLast));
// Write the .JLR record
write(data->fhjlr, &data->lastrec, sizeof(JamLast));
// Update header info record
data->hdrinfo.modcounter++;
if(data->hdrinfo.basemsgnum == 0)
data->hdrinfo.basemsgnum = 1;
// Seek to beginning of the .JHR
lseekset(data->fhjhr, 0);
// Write header info record
write(data->fhjhr, &data->hdrinfo, sizeof(JamHdrInfo));
// Update userfile
if(data->timesposted) {
// Currently not supported ...
data->timesposted = 0;
}
// Unlock area
unlock();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void JamArea::close() {
GFTRK("JamArea::close");
if(isopen) {
if(isopen == 1) {
save_lastread();
if(data->islocked)
unlock();
raw_close();
Msgn->Reset();
data_close();
}
isopen--;
}
else {
WideLog->ErrTest();
WideLog->printf("! Trying to close an already closed JAM msgbase.");
WideLog->printf(": %s, %s.", echoid(), path());
WideLog->printf("+ Info: This indicates a potentially serious bug.");
WideLog->printf("+ Advice: Report to the Author immediately.");
TestErrorExit();
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void JamArea::suspend() {
GFTRK("JamArea::suspend");
save_lastread();
raw_close();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void JamArea::resume() {
GFTRK("JamSuspendOff");
raw_open();
GFTRK(NULL);
}
// ------------------------------------------------------------------