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-rw-r--r--src/mon/KVMonitor.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/mon/KVMonitor.h b/src/mon/KVMonitor.h
new file mode 100644
index 000000000..c14c16380
--- /dev/null
+++ b/src/mon/KVMonitor.h
@@ -0,0 +1,69 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <boost/optional.hpp>
+
+#include "mon/PaxosService.h"
+
+class MonSession;
+
+extern const std::string KV_PREFIX;
+
+class KVMonitor : public PaxosService
+{
+ version_t version = 0;
+ std::map<std::string,boost::optional<ceph::buffer::list>> pending;
+
+ bool _have_prefix(const string &prefix);
+
+public:
+ KVMonitor(Monitor &m, Paxos &p, const std::string& service_name);
+
+ void init() override;
+
+ void get_store_prefixes(set<string>& s) const override;
+
+ bool preprocess_command(MonOpRequestRef op);
+ bool prepare_command(MonOpRequestRef op);
+
+ bool preprocess_query(MonOpRequestRef op) override;
+ bool prepare_update(MonOpRequestRef op) override;
+
+ void create_initial() override;
+ void update_from_paxos(bool *need_bootstrap) override;
+ void create_pending() override;
+ void encode_pending(MonitorDBStore::TransactionRef t) override;
+ version_t get_trim_to() const override;
+
+ void encode_full(MonitorDBStore::TransactionRef t) override { }
+
+ void on_active() override;
+ void tick() override;
+
+ int validate_osd_destroy(const int32_t id, const uuid_d& uuid);
+ void do_osd_destroy(int32_t id, uuid_d& uuid);
+ int validate_osd_new(
+ const uuid_d& uuid,
+ const std::string& dmcrypt_key,
+ std::stringstream& ss);
+ void do_osd_new(const uuid_d& uuid, const std::string& dmcrypt_key);
+
+ void check_sub(MonSession *s);
+ void check_sub(Subscription *sub);
+ void check_all_subs();
+
+ bool maybe_send_update(Subscription *sub);
+
+
+ // used by other services to adjust kv content; note that callers MUST ensure that
+ // propose_pending() is called and a commit is forced to provide atomicity and
+ // proper subscriber notifications.
+ void enqueue_set(const std::string& key, bufferlist &v) {
+ pending[key] = v;
+ }
+ void enqueue_rm(const std::string& key) {
+ pending[key] = boost::none;
+ }
+};