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deb-goldedplus/goldlib/gmb3/gmofido2.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
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// Fido/Opus/FTSC (*.MSG) type handling
// ------------------------------------------------------------------
#include <cstdlib>
#include <gdbgtrk.h>
#include <gdirposx.h>
#include <gstrall.h>
#include <gmofido.h>
// ------------------------------------------------------------------
void FidoArea::raw_scan(bool __scanpm) {
GFTRK("FidoArea::raw_scan");
register uint _active = 0;
register ulong* _msgnoptr = NULL;
register ulong* _msgndx = Msgn->tag;
gposixdir d(path());
if(WideDebug)
WideLog->printf("- %s/*.msg", d.fullpath());
const gdirentry *de;
while((de = d.nextentry("*.msg", true)) != NULL) {
if(WideDebug)
WideLog->printf("- %s", de->name.c_str());
register ulong _msgno = (ulong)atol(de->name.c_str());
if(_msgno) {
if((_active % FIDO_SCANBUFSIZE) == 0) {
_msgndx = Msgn->Resize(_active+FIDO_SCANBUFSIZE);
_msgnoptr = _msgndx + _active;
}
*_msgnoptr++ = _msgno;
_active++;
}
}
// Sort the index
Msgn->SetCount(_active);
Msgn->Sort();
// Get the lastread msgno
word _lastread = 0;
int _fh = ::sopen(AddPath(path(), wide->fidolastread), O_RDONLY|O_BINARY, WideSharemode, S_STDRD);
if(_fh != -1) {
lseekset(_fh, wide->userno, sizeof(word));
read(_fh, &_lastread, sizeof(word));
::close(_fh);
}
_msgnoptr = _msgndx;
register uint _count = 1;
register uint _lastread_reln = 0;
register ulong _firstmsgno = 0;
register ulong _lastmsgno = 0;
register ulong _lastreadfound = 0;
FidoHdr _hdr;
if(_active) {
_firstmsgno = Msgn->at(0);
_lastmsgno = Msgn->at(_active-1);
while(1) {
// Set lastread pointer
if((*_msgnoptr >= _lastread) AND (_lastread_reln == 0)) {
_lastreadfound = *_msgnoptr;
_lastread_reln = _count - (*_msgnoptr != _lastread ? 1 : 0);
break;
}
if((++_count) > _active)
break;
_msgnoptr++;
}
}
// If the exact lastread was not found
if(_active AND (_lastreadfound != _lastread)) {
// Higher than highest or lower than lowest?
if(_lastread > _lastmsgno)
_lastread_reln = _active;
else if(_lastread < _firstmsgno)
_lastread_reln = 0;
}
// Read highwater mark
data->highwatermark = 0;
if(isecho() AND wide->fidohwmarks) {
_fh = test_open(AddPath(path(), "1.msg"), O_RDONLY|O_BINARY, WideSharemode);
if(_fh != -1) {
read(_fh, &_hdr, sizeof(FidoHdr));
data->highwatermark = _hdr.replyto;
::close(_fh);
}
}
// Update area data
Msgn->SetCount(_active);
lastread = _lastread_reln;
lastreadentry = _lastreadfound;
if(__scanpm) {
char hdr_by[37];
int umax = (WidePersonalmail & PM_ALLNAMES) ? WideUsernames : 1;
bool gotpm = false;
PMrk->ResetAll();
for(uint i = lastread+1; i<=Msgn->Count(); i++) {
// Build message filename
Path _msgfile;
ulong msgno = Msgn->CvtReln(i);
build_msgname(_msgfile, msgno);
// Open the message file
int _fh = test_open(_msgfile, O_RDONLY|O_BINARY, WideSharemode);
if(_fh >= 0) {
read(_fh, &_hdr, sizeof(FidoHdr));
strxcpy(hdr_by, _hdr.to, 36);
for(int u=0; u<umax; u++) {
if(strieql(WideUsername[u], hdr_by)) {
gotpm = true;
break;
}
}
if(gotpm) {
if(not(_hdr.attr & FIDO_RECEIVED))
PMrk->Append(msgno);
gotpm = false;
}
::close(_fh);
}
}
}
if(WideDebug) {
WideLog->printf("- %s: t:%u, l:%u, fm:%lu, hm:%lu, lr:%u, u:%u, pm: %i",
echoid(),
Msgn->Count(),
lastread,
_firstmsgno,
_lastmsgno,
_lastread,
fidowide->userno,
__scanpm ? (int)PMrk->Count() : -1
);
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void FidoArea::scan() {
GFTRK("FidoArea::scan");
scan_area();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void FidoArea::scan_area() {
GFTRK("FidoArea::scan_area");
bool was_open = data ? true : false;
if(not was_open)
data_open();
raw_scan(false);
if(not was_open)
data_close();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void FidoArea::scan_area_pm() {
GFTRK("FidoArea::scan_area_pm");
bool was_open = data ? true : false;
if(not was_open)
data_open();
raw_scan(true);
if(not was_open)
data_close();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void FidoArea::set_highwater_mark() {
if(isecho()) {
open();
gmsg hmsg;
hmsg.msgno = 1;
if(load_hdr(&hmsg)) {
hmsg.link.to_set(Msgn->CvtReln(Msgn->Count()));
save_hdr(GMSG_UPDATE, &hmsg);
}
close();
}
}
// ------------------------------------------------------------------
void FidoArea::reset_highwater_mark() {
if(isecho()) {
open();
gmsg hmsg;
hmsg.msgno = 1;
if(load_hdr(&hmsg)) {
hmsg.link.to_set(Msgn->CvtReln(1));
save_hdr(GMSG_UPDATE, &hmsg);
}
close();
}
}
// ------------------------------------------------------------------