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// Copyright (c) 1999 Peter Karlsson
//
// $Id: squishread.cpp,v 1.8 1999/07/16 00:14:37 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>
#include "squishread.h"
SquishRead::SquishRead(const char *path)
{
areapath = strdup(path);
}
SquishRead::~SquishRead()
{
if (areapath) delete areapath;
}
bool SquishRead::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 area files
// <name>.sqd - contains everything we need
string filepath = string(areapath) + ".sqd";
FILE *sqd = fopen(filepath.c_str(), "rb");
if (!sqd)
{
cerr << "Error: Cannot open " << filepath << endl;
return false;
}
sqbase_s baseheader;
if (1 != fread(&baseheader, sizeof (sqbase_s), 1, sqd))
{
cerr << "Error: Couldn't read from " << filepath << endl;
return false;
}
SINT32 offset = baseheader.len - sizeof (sqbase_s);
if (offset > 0)
{
fseek(sqd, offset, SEEK_CUR);
}
else if (offset < 0)
{
cerr << "Strange Squish header length" << endl;
fclose(sqd);
return false;
}
SINT32 sqhdroffset = baseheader.sz_sqhdr - sizeof(sqhdr_s);
// Read messages
UINT32 current = baseheader.begin_frame;
if (current < sizeof (sqbase_s))
{
cerr << "Strange Squish header offset" << endl;
fclose(sqd);
return false;
}
UINT32 msgn, msglen;
char *ctrlbuf = NULL, *msgbuf = NULL;
sqhdr_s sqhdr;
xmsg_s xmsg;
for (msgn = 1L; msgn <= baseheader.high_msg; msgn ++)
{
fseek(sqd, current, SEEK_SET);
// Read the SQHDR
if (1 != fread(&sqhdr, sizeof (sqhdr_s), 1, sqd))
{
cerr << "Premature end of Squish data" << endl;
fclose(sqd);
return false;
}
if (sqhdr.id != Squish_id)
{
cerr << "Illegal Squish header ID" << endl;
fclose(sqd);
return false;
}
current = sqhdr.next_frame;
if (Squish_type_normal != sqhdr.frame_type)
{
cerr << "Not normal Squish frame: " << msgn << endl;
continue;
}
if (sqhdroffset) fseek(sqd, sqhdroffset, SEEK_CUR);
// Read the XMSG
if (1 != fread(&xmsg, sizeof (xmsg_s), 1, sqd))
{
cerr << "Premature end of Squish data" << endl;
fclose(sqd);
return false;
}
ctrlbuf = new char[sqhdr.clen + 1];
if (!ctrlbuf)
{
cerr << "Unable to allocate memory for control data (msg #"
<< msgn << ')' << endl;
goto out;
}
fread(ctrlbuf, sqhdr.clen, 1, sqd);
ctrlbuf[sqhdr.clen] = 0;
msglen = sqhdr.msg_length - sizeof(xmsg_s) - sqhdr.clen;
msgbuf = new char[msglen + 1];
if (!msgbuf)
{
cerr << "Unable to allocate memory for message body (msg #"
<< msgn << ')' << endl;
goto out2;
}
fread(msgbuf, msglen, 1, sqd);
msgbuf[msglen] = 0;
// Remove SEEN-BY and PATH that are in Squish part of the body
fixupctrlbuffer(msgbuf, NULL);
// Add to statistics
if (stampToTimeT(&xmsg.date_arrived) >= starttime)
{
destination.AddData(string((char *) xmsg.from),
string((char *) xmsg.to),
string((char *) xmsg.subject),
string(ctrlbuf), string(msgbuf),
stampToTimeT(&xmsg.date_written),
stampToTimeT(&xmsg.date_arrived));
}
// Clean up our mess
out:;
delete ctrlbuf;
out2:;
delete msgbuf;
cout << 100 * msgn / baseheader.high_msg << "% done\r";
}
fclose(sqd);
return true;
}
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