1 files changed, 106 insertions, 0 deletions
diff --git a/src/include/util.h b/src/include/util.h
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+++ b/src/include/util.h
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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) 2012 Inktank Storage, Inc.
+ * Copyright (C) 2014 Red Hat <contact@redhat.com>
+ *
+ * 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.
+ */
+#ifndef CEPH_UTIL_H
+#define CEPH_UTIL_H
+
+#include "common/Formatter.h"
+#include "include/types.h"
+
+std::string bytes2str(uint64_t count);
+
+struct ceph_data_stats
+{
+  uint64_t byte_total;
+  uint64_t byte_used;
+  uint64_t byte_avail;
+  int avail_percent;
+
+  ceph_data_stats() :
+    byte_total(0),
+    byte_used(0),
+    byte_avail(0),
+    avail_percent(0)
+  { }
+
+  void dump(Formatter *f) const {
+    ceph_assert(f != NULL);
+    f->dump_int("total", byte_total);
+    f->dump_int("used", byte_used);
+    f->dump_int("avail", byte_avail);
+    f->dump_int("avail_percent", avail_percent);
+  }
+
+  void encode(bufferlist &bl) const {
+    ENCODE_START(1, 1, bl);
+    encode(byte_total, bl);
+    encode(byte_used, bl);
+    encode(byte_avail, bl);
+    encode(avail_percent, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::const_iterator &p) {
+    DECODE_START(1, p);
+    decode(byte_total, p);
+    decode(byte_used, p);
+    decode(byte_avail, p);
+    decode(avail_percent, p);
+    DECODE_FINISH(p);
+  }
+
+  static void generate_test_instances(list<ceph_data_stats*>& ls) {
+    ls.push_back(new ceph_data_stats);
+    ls.push_back(new ceph_data_stats);
+    ls.back()->byte_total = 1024*1024;
+    ls.back()->byte_used = 512*1024;
+    ls.back()->byte_avail = 512*1024;
+    ls.back()->avail_percent = 50;
+  }
+};
+typedef struct ceph_data_stats ceph_data_stats_t;
+WRITE_CLASS_ENCODER(ceph_data_stats)
+
+int get_fs_stats(ceph_data_stats_t &stats, const char *path);
+
+/// get memory limit for the current cgroup
+int get_cgroup_memory_limit(uint64_t *limit);
+
+/// collect info from @p uname(2), @p /proc/meminfo and @p /proc/cpuinfo
+void collect_sys_info(map<string, string> *m, CephContext *cct);
+
+/// dump service ids grouped by their host to the specified formatter
+/// @param f formatter for the output
+/// @param services a map from hostname to a list of service id hosted by this host
+/// @param type the service type of given @p services, for example @p osd or @p mon.
+void dump_services(Formatter* f, const map<string, list<int> >& services, const char* type);
+/// dump service names grouped by their host to the specified formatter
+/// @param f formatter for the output
+/// @param services a map from hostname to a list of service name hosted by this host
+/// @param type the service type of given @p services, for example @p osd or @p mon.
+void dump_services(Formatter* f, const map<string, list<string> >& services, const char* type);
+
+string cleanbin(bufferlist &bl, bool &b64, bool show = false);
+string cleanbin(string &str);
+
+namespace ceph::util {
+
+// Returns true if s matches any parameters:
+template <typename ...XS>
+bool match_str(const std::string& s, const XS& ...xs)
+{
+ return ((s == xs) || ...);
+}
+
+} // namespace ceph::util
+#endif /* CEPH_UTIL_H */