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winix/winixd/core/sessionparser.cpp

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4.3 KiB

/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2008-2014, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "sessionparser.h"
#include "log.h"
#include "misc.h"
namespace Winix
{
bool SessionParser::Parse(const std::wstring & path, SessionContainer & container)
{
return Parse(path.c_str(), container);
}
void SessionParser::SetUsers(Users * pusers)
{
users = pusers;
}
bool SessionParser::Parse(const wchar_t * path, SessionContainer & container)
{
char file_path[WINIX_OS_PATH_SIZE];
container.Clear();
if( !wide_to_utf8(path, file_path, WINIX_OS_PATH_SIZE) )
return false;
file.open(file_path, std::ios_base::in | std::ios_base::binary);
if( !file )
{
log << log1 << "SP: cannot open the session file for reading (file: '" << path << "')" << logend;
return false;
}
bool res = Parse(container);
file.close();
return res;
}
bool SessionParser::Parse(SessionContainer & container)
{
/*
file format, each rows:
session_id(long) user_id(long) remember_me(0|1) time(long) last_time(long)
*/
last = file.get();
log << log2 << "SP: reading sessions from the session file" << logend;
while( true )
{
long id = ReadLong();
if( file.eof() )
break;
long user_id = ReadLong();
MakeSession(id, user_id, container);
SkipLine();
}
log << log2 << "SP: read " << container.Size() << " session(s)" << logend;
return true;
}
void SessionParser::MakeSession(long id, long user_id, SessionContainer & container)
{
User * puser = users->GetUser(user_id);
if( !puser )
{
log << log1 << "SP: there is no a user with id: " << user_id << " (skipped)" << logend;
return;
}
SessionContainer::Iterator i = container.AddSession(id);
if( i != container.End() )
{
i->Clear();
i->id = id;
i->puser = puser;
i->new_session = true;
i->remember_me = ReadLong();
i->start_time = ReadLong();
i->last_time = ReadLong();
i->id_index = ReadLong();
i->start_date = i->start_time;
i->last_date = i->last_time;
// !! IMPROVE ME we do not save last_time_get
users->IncrementLoggedUsers();
log << log2 << "SP: read session id: " << id << " for user: " << puser->login << logend;
}
else
{
log << log1 << "SP: session with id: " << id << " already exists (skipping)" << logend;
}
}
bool SessionParser::IsWhite(int c)
{
if( c==' ' || c=='\t' || c==13 )
return true;
return false;
}
bool SessionParser::IsDigit(int c)
{
if( c>='0' && c<='9' )
return true;
return false;
}
void SessionParser::SkipWhite()
{
while( IsWhite(last) )
last = file.get();
}
void SessionParser::SkipLine()
{
while( last != 10 )
last = file.get();
last = file.get(); // first character from the new line
}
long SessionParser::ReadLong()
{
long res = 0;
bool is_sign = false;
SkipWhite();
if( last == '-' )
{
is_sign = true;
last = file.get();
}
while( IsDigit(last) )
{
res = res*10 + (last-'0');
last = file.get();
}
if( is_sign )
res = -res;
return res;
}
} // namespace Winix