Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 226 insertions, 0 deletions

diff --git a/src/mon/MonOpRequest.h b/src/mon/MonOpRequest.h
new file mode 100644
index 00000000..6b0fdf3e
--- /dev/null
+++ b/src/mon/MonOpRequest.h
@@ -0,0 +1,226 @@
+// -*- 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) 2015 Red Hat <contact@redhat.com>
+ * Copyright (C) 2015 SUSE LINUX GmbH
+ *
+ * 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 MON_OPREQUEST_H_
+#define MON_OPREQUEST_H_
+#include <iosfwd>
+#include <stdint.h>
+
+#include "common/TrackedOp.h"
+#include "mon/Session.h"
+#include "msg/Message.h"
+
+struct MonOpRequest : public TrackedOp {
+  friend class OpTracker;
+
+  void mark_dispatch() {
+    mark_event("monitor_dispatch");
+  }
+  void mark_wait_for_quorum() {
+    mark_event("wait_for_quorum");
+  }
+  void mark_zap() {
+    mark_event("monitor_zap");
+  }
+  void mark_forwarded() {
+    mark_event("forwarded");
+    forwarded_to_leader = true;
+  }
+
+  void mark_svc_event(const string &service, const string &event) {
+    string s = service;
+    s.append(":").append(event);
+    mark_event(s);
+  }
+
+  void mark_logmon_event(const string &event) {
+    mark_svc_event("logm", event);
+  }
+  void mark_osdmon_event(const string &event) {
+    mark_svc_event("osdmap", event);
+  }
+  void mark_pgmon_event(const string &event) {
+    mark_svc_event("pgmap", event);
+  }
+  void mark_mdsmon_event(const string &event) {
+    mark_svc_event("mdsmap", event);
+  }
+  void mark_authmon_event(const string &event) {
+    mark_svc_event("auth", event);
+  }
+  void mark_paxos_event(const string &event) {
+    mark_svc_event("paxos", event);
+  }
+
+
+  enum op_type_t {
+    OP_TYPE_NONE    = 0,      ///< no type defined (default)
+    OP_TYPE_SERVICE,          ///< belongs to a Paxos Service or similar
+    OP_TYPE_MONITOR,          ///< belongs to the Monitor class
+    OP_TYPE_ELECTION,         ///< belongs to the Elector class
+    OP_TYPE_PAXOS,            ///< refers to Paxos messages
+    OP_TYPE_COMMAND,          ///< is a command
+  };
+
+  MonOpRequest(const MonOpRequest &other) = delete;
+  MonOpRequest & operator = (const MonOpRequest &other) = delete;
+
+private:
+  Message *request;
+  utime_t dequeued_time;
+  RefCountedPtr session;
+  ConnectionRef con;
+  bool forwarded_to_leader;
+  op_type_t op_type;
+
+  MonOpRequest(Message *req, OpTracker *tracker) :
+    TrackedOp(tracker,
+      req->get_recv_stamp().is_zero() ?
+      ceph_clock_now() : req->get_recv_stamp()),
+    request(req),
+    con(NULL),
+    forwarded_to_leader(false),
+    op_type(OP_TYPE_NONE)
+  {
+    if (req) {
+      con = req->get_connection();
+      if (con) {
+        session = con->get_priv();
+      }
+    }
+  }
+
+  void _dump(Formatter *f) const override {
+    {
+      f->open_array_section("events");
+      std::lock_guard l(lock);
+      for (auto& i : events) {
+	f->dump_object("event", i);
+      }
+      f->close_section();
+      f->open_object_section("info");
+      f->dump_int("seq", seq);
+      f->dump_bool("src_is_mon", is_src_mon());
+      f->dump_stream("source") << request->get_source_inst();
+      f->dump_bool("forwarded_to_leader", forwarded_to_leader);
+      f->close_section();
+    }
+  }
+
+protected:
+  void _dump_op_descriptor_unlocked(ostream& stream) const override {
+    get_req()->print(stream);
+  }
+
+public:
+  ~MonOpRequest() override {
+    request->put();
+  }
+
+  MonSession *get_session() const {
+    return static_cast<MonSession*>(session.get());
+  }
+
+  template<class T>
+  T *get_req() const { return static_cast<T*>(request); }
+
+  Message *get_req() const { return get_req<Message>(); }
+
+  int get_req_type() const {
+    if (!request)
+      return 0;
+    return request->get_type();
+  }
+
+  ConnectionRef get_connection() { return con; }
+
+  void set_session(MonSession *s) {
+    session.reset(s);
+  }
+
+  bool is_src_mon() const {
+    return (con && con->get_peer_type() & CEPH_ENTITY_TYPE_MON);
+  }
+
+  typedef boost::intrusive_ptr<MonOpRequest> Ref;
+
+  void set_op_type(op_type_t t) {
+    op_type = t;
+  }
+  void set_type_service() {
+    set_op_type(OP_TYPE_SERVICE);
+  }
+  void set_type_monitor() {
+    set_op_type(OP_TYPE_MONITOR);
+  }
+  void set_type_paxos() {
+    set_op_type(OP_TYPE_PAXOS);
+  }
+  void set_type_election() {
+    set_op_type(OP_TYPE_ELECTION);
+  }
+  void set_type_command() {
+    set_op_type(OP_TYPE_COMMAND);
+  }
+
+  op_type_t get_op_type() {
+    return op_type;
+  }
+
+  bool is_type_service() {
+    return (get_op_type() == OP_TYPE_SERVICE);
+  }
+  bool is_type_monitor() {
+    return (get_op_type() == OP_TYPE_MONITOR);
+  }
+  bool is_type_paxos() {
+    return (get_op_type() == OP_TYPE_PAXOS);
+  }
+  bool is_type_election() {
+    return (get_op_type() == OP_TYPE_ELECTION);
+  }
+  bool is_type_command() {
+    return (get_op_type() == OP_TYPE_COMMAND);
+  }
+};
+
+typedef MonOpRequest::Ref MonOpRequestRef;
+
+struct C_MonOp : public Context
+{
+  MonOpRequestRef op;
+
+  explicit C_MonOp(MonOpRequestRef o) :
+    op(o) { }
+
+  void finish(int r) override {
+    if (op && r == -ECANCELED) {
+      op->mark_event("callback canceled");
+    } else if (op && r == -EAGAIN) {
+      op->mark_event("callback retry");
+    } else if (op && r == 0) {
+      op->mark_event("callback finished");
+    }
+    _finish(r);
+  }
+
+  void mark_op_event(const string &event) {
+    if (op)
+      op->mark_event(event);
+  }
+
+  virtual void _finish(int r) = 0;
+};
+
+#endif /* MON_OPREQUEST_H_ */