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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "Trace.h"
#include "common/debug.h"
#include <iostream>
#include <map>
#include "common/Mutex.h"
#include "common/config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
void Trace::start()
{
//cout << "start" << std::endl;
delete fs;
fs = new ifstream();
fs->open(filename);
if (!fs->is_open()) {
//generic_dout(0) << "** unable to open trace file " << filename << dendl;
ceph_abort();
}
//generic_dout(2) << "opened traced file '" << filename << "'" << dendl;
// read first line
getline(*fs, line);
//cout << "first line is " << line << std::endl;
_line = 1;
}
const char *Trace::peek_string(string &buf, const char *prefix)
{
//if (prefix) cout << "prefix '" << prefix << "' line '" << line << "'" << std::endl;
if (prefix &&
strstr(line.c_str(), "/prefix") == line.c_str()) {
buf.clear();
buf.append(prefix);
buf.append(line.c_str() + strlen("/prefix"));
} else {
buf = line;
}
return buf.c_str();
}
const char *Trace::get_string(string &buf, const char *prefix)
{
peek_string(buf, prefix);
//cout << "buf is " << buf << std::endl;
// read next line (and detect eof early)
_line++;
getline(*fs, line);
//cout << "next line is " << line << std::endl;
return buf.c_str();
}
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