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// Copyright (c) 1999-2001 Peter Karlsson
//
// $Id: squishread.cpp,v 1.18 2001/09/29 21:41:24 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 <config.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
#include <string>
#include "squishread.h"
#include "utility.h"
#include "statengine.h"
#include "output.h"
SquishRead::SquishRead(const char *path)
{
areapath = strdup(path);
}
SquishRead::~SquishRead()
{
if (areapath) free(areapath);
}
bool SquishRead::Transfer(time_t starttime, time_t endtime,
StatEngine &destination)
{
// Get the output object
TDisplay *display = TDisplay::GetOutputObject();
// Check that we got the path correctly in initialization
if (!areapath)
{
display->InternalErrorQuit(TDisplay::area_not_allocated, 1);
}
// 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)
{
char *p = strrchr(areapath, '.');
if (p)
{
*p = 0;
filepath = string(areapath) + ".sqd";
sqd = fopen(filepath.c_str(), "rb");
}
if (!sqd)
{
display->ErrorMessage(TDisplay::cannot_open, filepath);
return false;
}
}
sqbase_s baseheader;
if (1 != fread(&baseheader, sizeof (sqbase_s), 1, sqd))
{
display->ErrorMessage(TDisplay::cannot_read, filepath);
return false;
}
int32_t offset = baseheader.len - sizeof (sqbase_s);
if (offset > 0)
{
fseek(sqd, offset, SEEK_CUR);
}
else if (offset < 0)
{
display->ErrorMessage(TDisplay::strange_squish_header);
fclose(sqd);
return false;
}
int32_t sqhdroffset = baseheader.sz_sqhdr - sizeof(sqhdr_s);
// Read messages
uint32_t current = baseheader.begin_frame;
if (0 == current)
{
display->ErrorMessage(TDisplay::message_base_empty);
fclose(sqd);
return true;
}
else if (current < sizeof (sqbase_s))
{
display->ErrorMessage(TDisplay::strange_squish_offset);
fclose(sqd);
return false;
}
display->SetMessagesTotal(baseheader.high_msg);
uint32_t msgn, msglen;
char *ctrlbuf = NULL, *msgbuf = NULL;
sqhdr_s sqhdr;
xmsg_s xmsg;
time_t arrivaltime;
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))
{
display->ErrorMessage(TDisplay::premature_squish_end);
fclose(sqd);
return false;
}
if (sqhdr.id != Squish_id)
{
display->ErrorMessage(TDisplay::illegal_squish_header);
fclose(sqd);
return false;
}
current = sqhdr.next_frame;
if (Squish_type_normal != sqhdr.frame_type)
{
display->WarningMessage(TDisplay::abnormal_squish_frame, msgn);
continue;
}
if (sqhdroffset) fseek(sqd, sqhdroffset, SEEK_CUR);
// Read the XMSG
if (1 != fread(&xmsg, sizeof (xmsg_s), 1, sqd))
{
display->ErrorMessage(TDisplay::premature_squish_end);
fclose(sqd);
return false;
}
ctrlbuf = new char[sqhdr.clen + 1];
if (!ctrlbuf)
{
display->WarningMessage(TDisplay::cannot_allocate_control, msgn);
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)
{
display->WarningMessage(TDisplay::cannot_allocate_body, msgn);
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
arrivaltime = stampToTimeT(&xmsg.date_arrived);
if (arrivaltime >= starttime && arrivaltime <= endtime)
{
destination.AddData(string((char *) xmsg.from),
string((char *) xmsg.to),
string((char *) xmsg.subject),
string(ctrlbuf), string(msgbuf),
stampToTimeT(&xmsg.date_written),
arrivaltime);
}
// Clean up our mess
out:;
delete[] ctrlbuf;
out2:;
delete[] msgbuf;
display->UpdateProgress(msgn);
}
fclose(sqd);
return true;
}
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