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// Copyright (c) 1999 Peter Karlsson
//
// $Id: sdmread.cpp,v 1.3 1999/07/16 19:52:06 peter Exp $
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <iostream.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
#ifdef UNIX
# include <sys/types.h>
# include <dirent.h>
# include <sys/stat.h>
# include <unistd.h>
#endif
#ifdef __EMX__
# include <emx/syscalls.h>
#endif
#include "sdmread.h"
SdmRead::SdmRead(const char *path, bool hasarrivetime) : isopus(hasarrivetime)
{
areapath = strdup(path);
}
SdmRead::~SdmRead()
{
if (areapath) delete areapath;
}
bool SdmRead::Transfer(time_t starttime, StatEngine &destination)
{
// Check that we got the path correctly in initialization
if (!areapath)
{
cerr << "Internal error: Area path was not allocated properly" << endl;
return false;
}
// Open the message directory
#if defined(UNIX)
DIR *sdmdir = opendir(areapath);
if (!sdmdir)
{
cerr << "Unable to open *.MSG directory" << endl;
return false;
}
string dirname = string(areapath);
if (dirname[dirname.length() - 1] != '/')
{
dirname += '/';
}
#else if defined(__EMX__)
string dirname = string(areapath);
if (dirname[dirname.length() - 1] != '\\')
{
dirname += '\\';
}
string searchpath = dirname + string("*.msg");
struct _find sdmdir;
int rc = __findfirst(searchpath.c_str(), 0x2f, &sdmdir);
#endif
sdmhead_s sdmhead;
FILE *msg = NULL;
unsigned long msglen;
char *msgbuf = NULL, *ctrlbuf = NULL;
time_t written, arrived;
UINT32 msgn = 0;
#if defined(UNIX)
# define FILENAME sdmdirent_p->d_name
# define FILESIZE sdmstat.st_size
struct dirent *sdmdirent_p;
struct stat sdmstat;
while (NULL != (sdmdirent_p = readdir(sdmdir)))
#else if defined(__EMX__)
# define FILENAME sdmdir.name
# define FILESIZE (sdmdir.size_lo | (sdmdir.size_hi << 16))
while (0 == rc)
#endif
{
// Check that we really have a *.msg file
// Unix readdir gives us all files, and DOS findfirst is buggy
string thisfile = dirname + FILENAME;
if (fcompare(thisfile.substr(thisfile.length() - 3, 3), "msg"))
goto out;
msg = fopen(thisfile.c_str(), "rb");
if (!msg)
{
cerr << "Unable to open " << thisfile << endl;
goto out;
}
#ifdef UNIX
stat(thisfile.c_str(), &sdmstat);
#endif
// Read the message header
if (1 != fread(&sdmhead, sizeof (sdmhead_s), 1, msg))
{
cerr << "Broken MSG file " << thisfile << endl;
goto out;
}
msglen = FILESIZE - sizeof (sdmhead_s);
msgbuf = new char[msglen];
if (!msgbuf)
{
cerr << "Unable to allocate memory for message body ("
<< thisfile.c_str() << ')' << endl;
goto out2;
}
ctrlbuf = new char[msglen];
if (!msgbuf)
{
cerr << "Unable to allocate memory for control data ("
<< thisfile.c_str() << ')' << endl;
goto out;
}
fread(msgbuf, msglen, 1, msg);
// Separate kludges from text
fixupctrlbuffer(msgbuf, ctrlbuf);
written = asciiToTimeT((char *) sdmhead.datetime);
if (isopus)
{
arrived = stampToTimeT(&sdmhead.opus.arrived);
}
else
{
arrived = written;
}
// Add to statistics
if (written >= starttime)
{
destination.AddData(string((char *) sdmhead.fromusername),
string((char *) sdmhead.tousername),
string((char *) sdmhead.subject),
string(ctrlbuf), string(msgbuf),
written, arrived);
}
// Clean up our mess
out:;
delete ctrlbuf;
out2:;
delete msgbuf;
cout << ++ msgn << " done\r";
if (msg) fclose(msg);
#if defined(__EMX__)
rc = __findnext(&sdmdir);
#endif
}
#if defined(UNIX)
closedir(sdmdir);
#endif
return true;
}
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