bool open_sub(bool wr) {
postrec p;
close_sub();
if (wr) {
fileSub.SetName(subdat_fn);
fileSub.Open(WFile::modeBinary | WFile::modeCreateFile | WFile::modeReadWrite, WFile::shareUnknown,
WFile::permReadWrite);
if (fileSub.IsOpen()) {
// re-read info from file, to be safe
believe_cache = false;
fileSub.Seek(0L, WFile::seekBegin);
fileSub.Read(&p, sizeof(postrec));
SetNumMessagesInCurrentMessageArea(p.owneruser);
}
} else {
fileSub.SetName(subdat_fn);
fileSub.Open(WFile::modeReadOnly | WFile::modeBinary);
}
return fileSub.IsOpen();
}
void write_post(int mn, postrec * pp) {
postrec *p1;
if (fileSub.IsOpen()) {
fileSub.Seek(mn * sizeof(postrec), WFile::seekBegin);
fileSub.Write(pp, sizeof(postrec));
if (believe_cache) {
if (mn >= cache_start && mn < (cache_start + MAX_TO_CACHE)) {
p1 = cache + (mn - cache_start);
if (p1 != pp) {
*p1 = *pp;
}
}
}
}
}
void mailr() {
mailrec m, m1;
filestatusrec fsr;
WFile *pFileEmail = OpenEmailFile(false);
WWIV_ASSERT(pFileEmail);
if (pFileEmail->IsOpen()) {
int nRecordNumber = pFileEmail->GetLength() / sizeof(mailrec) - 1;
char c = ' ';
while (nRecordNumber >= 0 && c != 'Q' && !hangup) {
pFileEmail->Seek(nRecordNumber * sizeof(mailrec), WFile::seekBegin);
pFileEmail->Read(&m, sizeof(mailrec));
if (m.touser != 0) {
pFileEmail->Close();
do {
WUser user;
GetApplication()->GetUserManager()->ReadUser(&user, m.touser);
GetSession()->bout << "|#1 To|#7: |#" << GetSession()->GetMessageColor() << user.GetUserNameAndNumber(
m.touser) << wwiv::endl;
int tp = 80;
int nn = 0;
if (m.status & status_source_verified) {
tp -= 2;
}
if (m.status & status_new_net) {
tp -= 1;
if (wwiv::strings::GetStringLength(m.title) <= tp) {
nn = m.title[tp + 1];
} else {
nn = 0;
}
} else {
nn = 0;
}
set_net_num(nn);
GetSession()->bout << "|#1Subj|#7: |#" << GetSession()->GetMessageColor() << m.title << wwiv::endl;
if (m.status & status_file) {
WFile attachDat(syscfg.datadir, ATTACH_DAT);
if (attachDat.Open(WFile::modeReadOnly | WFile::modeBinary, WFile::shareUnknown, WFile::permReadWrite)) {
bool found = false;
long lAttachFileSize = attachDat.Read(&fsr, sizeof(fsr));
while (lAttachFileSize > 0 && !found) {
if (m.daten == static_cast<unsigned long>(fsr.id)) {
GetSession()->bout << "|#1Filename|#0.... |#2" << fsr.filename << " (" << fsr.numbytes << " bytes)|#0\r\n";
found = true;
}
if (!found) {
lAttachFileSize = attachDat.Read(&fsr, sizeof(fsr));
}
}
if (!found) {
GetSession()->bout << "|#1Filename|#0.... |#2File : Unknown or Missing|#0\r\n";
}
attachDat.Close();
} else {
GetSession()->bout << "|#1Filename|#0.... |#2|#2File : Unknown or Missing|#0\r\n";
}
}
bool next;
read_message1(&(m.msg), (char)(m.anony & 0x0f), true, &next, "email", m.fromsys, m.fromuser);
GetSession()->bout << "|#2R,D,Q,<space> : ";
if (next) {
c = ' ';
} else {
c = onek("QRD ");
}
if (c == 'D') {
pFileEmail = OpenEmailFile(true);
pFileEmail->Seek(nRecordNumber * sizeof(mailrec), WFile::seekBegin);
pFileEmail->Read(&m1, sizeof(mailrec));
if (memcmp(&m, &m1, sizeof(mailrec)) == 0) {
delmail(pFileEmail, nRecordNumber);
bool found = false;
if (m.status & status_file) {
WFile attachFile(syscfg.datadir, ATTACH_DAT);
if (attachFile.Open(WFile::modeReadWrite | WFile::modeBinary)) {
long lAttachFileSize = attachFile.Read(&fsr, sizeof(fsr));
while (lAttachFileSize > 0 && !found) {
if (m.daten == static_cast<unsigned long>(fsr.id)) {
found = true;
fsr.id = 0;
attachFile.Seek(static_cast<long>(sizeof(filestatusrec)) * -1L, WFile::seekCurrent);
attachFile.Write(&fsr, sizeof(filestatusrec));
WFile::Remove(GetApplication()->GetAttachmentDirectory().c_str(), fsr.filename);
} else {
attachFile.Read(&fsr, sizeof(filestatusrec));
}
}
attachFile.Close();
}
}
} else {
GetSession()->bout << "Mail file changed; try again.\r\n";
}
pFileEmail->Close();
if (!GetSession()->IsUserOnline() && m.touser == 1 && m.tosys == 0) {
GetSession()->GetCurrentUser()->SetNumMailWaiting(GetSession()->GetCurrentUser()->GetNumMailWaiting() - 1);
}
}
GetSession()->bout.NewLine(2);
} while ((c == 'R') && (!hangup));
pFileEmail = OpenEmailFile(false);
WWIV_ASSERT(pFileEmail);
if (!pFileEmail->IsOpen()) {
break;
}
}
nRecordNumber -= 1;
}
pFileEmail->Close();
}
delete pFileEmail;
}
void close_sub() {
if (fileSub.IsOpen()) {
fileSub.Close();
}
}
postrec *get_post(int mn)
// Returns info for a post. Maintains a cache. Does not correct anything
// if the sub has changed.
{
postrec p;
bool bCloseSubFile = false;
if (mn == 0) {
return nullptr;
}
if (subchg == 1) {
// sub has changed (detected in GetApplication()->GetStatusManager()->Read); invalidate cache
believe_cache = false;
// kludge: subch==2 leaves subch indicating change, but the '2' value
// indicates, to this routine, that it has been handled at this level
subchg = 2;
}
// see if we need new cache info
if (!believe_cache ||
mn < cache_start ||
mn >= (cache_start + MAX_TO_CACHE)) {
if (!fileSub.IsOpen()) {
// open the sub data file, if necessary
if (!open_sub(false)) {
return nullptr;
}
bCloseSubFile = true;
}
// re-read # msgs, if needed
if (subchg == 2) {
fileSub.Seek(0L, WFile::seekBegin);
fileSub.Read(&p, sizeof(postrec));
SetNumMessagesInCurrentMessageArea(p.owneruser);
// another kludge: subch==3 indicates we have re-read # msgs also
// only used so we don't do this every time through
subchg = 3;
// adjust msgnum, if it is no longer valid
if (mn > GetNumMessagesInCurrentMessageArea()) {
mn = GetNumMessagesInCurrentMessageArea();
}
}
// select new starting point of cache
if (mn >= last_msgnum) {
// going forward
if (GetNumMessagesInCurrentMessageArea() <= MAX_TO_CACHE) {
cache_start = 1;
} else if (mn > (GetNumMessagesInCurrentMessageArea() - MAX_TO_CACHE)) {
cache_start = GetNumMessagesInCurrentMessageArea() - MAX_TO_CACHE + 1;
} else {
cache_start = mn;
}
} else {
// going backward
if (mn > MAX_TO_CACHE) {
cache_start = mn - MAX_TO_CACHE + 1;
} else {
cache_start = 1;
}
}
if (cache_start < 1) {
cache_start = 1;
}
// read in some sub info
fileSub.Seek(cache_start * sizeof(postrec), WFile::seekBegin);
fileSub.Read(cache, MAX_TO_CACHE * sizeof(postrec));
// now, close the file, if necessary
if (bCloseSubFile) {
close_sub();
}
// cache is now valid
believe_cache = true;
}
// error if msg # invalid
if (mn < 1 || mn > GetNumMessagesInCurrentMessageArea()) {
return nullptr;
}
last_msgnum = mn;
return (cache + (mn - cache_start));
}