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Diffstat (limited to 'src/client/Trace.cc')
-rw-r--r-- | src/client/Trace.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/client/Trace.cc b/src/client/Trace.cc new file mode 100644 index 00000000..43494cd4 --- /dev/null +++ b/src/client/Trace.cc @@ -0,0 +1,81 @@ +// -*- 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(); +} |