initial code repo

[stor4nfv.git] / src / ceph / src / client / Trace.cc

diff --git a/src/ceph/src/client/Trace.cc b/src/ceph/src/client/Trace.cc
new file mode 100644 (file)
index 0000000..43494cd
--- /dev/null
+++ b/src/ceph/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();
+}