Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 210 insertions, 0 deletions

diff --git a/src/messages/MMgrBeacon.h b/src/messages/MMgrBeacon.h
new file mode 100644
index 000000000..1799e2f71
--- /dev/null
+++ b/src/messages/MMgrBeacon.h
@@ -0,0 +1,210 @@
+// -*- 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.
+ * 
+ */
+
+#ifndef CEPH_MMGRBEACON_H
+#define CEPH_MMGRBEACON_H
+
+#include "messages/PaxosServiceMessage.h"
+#include "mon/MonCommand.h"
+#include "mon/MgrMap.h"
+
+#include "include/types.h"
+
+
+class MMgrBeacon final : public PaxosServiceMessage {
+private:
+  static constexpr int HEAD_VERSION = 11;
+  static constexpr int COMPAT_VERSION = 8;
+
+protected:
+  uint64_t gid;
+  entity_addrvec_t server_addrs;
+  bool available;
+  std::string name;
+  uuid_d fsid;
+
+  // From active daemon to populate MgrMap::services
+  std::map<std::string, std::string> services;
+
+  // Only populated during activation
+  std::vector<MonCommand> command_descs;
+
+  // Information about the modules found locally on this daemon
+  std::vector<MgrMap::ModuleInfo> modules;
+
+  std::map<std::string,std::string> metadata; ///< misc metadata about this osd
+
+  std::multimap<std::string, entity_addrvec_t> clients;
+
+  uint64_t mgr_features = 0;   ///< reporting mgr's features
+
+public:
+  MMgrBeacon()
+    : PaxosServiceMessage{MSG_MGR_BEACON, 0, HEAD_VERSION, COMPAT_VERSION},
+      gid(0), available(false)
+  {}
+
+  MMgrBeacon(const uuid_d& fsid_, uint64_t gid_, const std::string &name_,
+             entity_addrvec_t server_addrs_, bool available_,
+	     std::vector<MgrMap::ModuleInfo>&& modules_,
+	     std::map<std::string,std::string>&& metadata_,
+             std::multimap<std::string, entity_addrvec_t>&& clients_,
+	     uint64_t feat)
+    : PaxosServiceMessage{MSG_MGR_BEACON, 0, HEAD_VERSION, COMPAT_VERSION},
+      gid(gid_), server_addrs(server_addrs_), available(available_), name(name_),
+      fsid(fsid_), modules(std::move(modules_)), metadata(std::move(metadata_)),
+      clients(std::move(clients_)),
+      mgr_features(feat)
+  {
+  }
+
+  uint64_t get_gid() const { return gid; }
+  entity_addrvec_t get_server_addrs() const { return server_addrs; }
+  bool get_available() const { return available; }
+  const std::string& get_name() const { return name; }
+  const uuid_d& get_fsid() const { return fsid; }
+  const std::map<std::string,std::string>& get_metadata() const {
+    return metadata;
+  }
+  const std::map<std::string,std::string>& get_services() const {
+    return services;
+  }
+  uint64_t get_mgr_features() const { return mgr_features; }
+
+  void set_services(const std::map<std::string, std::string> &svcs)
+  {
+    services = svcs;
+  }
+
+  void set_command_descs(const std::vector<MonCommand> &cmds)
+  {
+    command_descs = cmds;
+  }
+
+  const std::vector<MonCommand> &get_command_descs()
+  {
+    return command_descs;
+  }
+
+  const std::vector<MgrMap::ModuleInfo> &get_available_modules() const
+  {
+    return modules;
+  }
+
+  const auto& get_clients() const
+  {
+    return clients;
+  }
+
+private:
+  ~MMgrBeacon() final {}
+
+public:
+
+  std::string_view get_type_name() const override { return "mgrbeacon"; }
+
+  void print(std::ostream& out) const override {
+    out << get_type_name() << " mgr." << name << "(" << fsid << ","
+	<< gid << ", " << server_addrs << ", " << available
+	<< ")";
+  }
+
+  void encode_payload(uint64_t features) override {
+    header.version = HEAD_VERSION;
+    header.compat_version = COMPAT_VERSION;
+    using ceph::encode;
+    paxos_encode();
+
+    assert(HAVE_FEATURE(features, SERVER_NAUTILUS));
+    encode(server_addrs, payload, features);
+    encode(gid, payload);
+    encode(available, payload);
+    encode(name, payload);
+    encode(fsid, payload);
+
+    // Fill out old-style list of module names (deprecated by
+    // later field of full ModuleInfos)
+    std::set<std::string> module_names;
+    for (const auto &info : modules) {
+      module_names.insert(info.name);
+    }
+    encode(module_names, payload);
+
+    encode(command_descs, payload);
+    encode(metadata, payload);
+    encode(services, payload);
+
+    encode(modules, payload);
+    encode(mgr_features, payload);
+
+    std::vector<std::string> clients_names;
+    std::vector<entity_addrvec_t> clients_addrs;
+    for (const auto& i : clients) {
+      clients_names.push_back(i.first);
+      clients_addrs.push_back(i.second);
+    }
+    // The address vector needs to be encoded first to produce a
+    // backwards compatible messsage for older monitors.
+    encode(clients_addrs, payload, features);
+    encode(clients_names, payload, features);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    paxos_decode(p);
+    assert(header.version >= 8);
+    decode(server_addrs, p);  // entity_addr_t for version < 8
+    decode(gid, p);
+    decode(available, p);
+    decode(name, p);
+    decode(fsid, p);
+    std::set<std::string> module_name_list;
+    decode(module_name_list, p);
+    decode(command_descs, p);
+    decode(metadata, p);
+    decode(services, p);
+    decode(modules, p);
+    if (header.version >= 9) {
+      decode(mgr_features, p);
+    }
+    if (header.version >= 10) {
+      std::vector<entity_addrvec_t> clients_addrs;
+      decode(clients_addrs, p);
+      clients.clear();
+      if (header.version >= 11) {
+	std::vector<std::string> clients_names;
+	decode(clients_names, p);
+	if (clients_names.size() != clients_addrs.size()) {
+	  throw ceph::buffer::malformed_input(
+	    "clients_names.size() != clients_addrs.size()");
+	}
+	auto cn = clients_names.begin();
+	auto ca = clients_addrs.begin();
+	for(; cn != clients_names.end(); ++cn, ++ca) {
+	  clients.emplace(*cn, *ca);
+	}
+      } else {
+	for (const auto& i : clients_addrs) {
+	  clients.emplace("", i);
+	}
+      }
+    }
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+
+#endif