1 files changed, 40 insertions, 0 deletions
diff --git a/configd/src/apps/sentinel/config-owner.h b/configd/src/apps/sentinel/config-owner.h
new file mode 100644
index 00000000000..612db7fe9a1
--- /dev/null
+++ b/configd/src/apps/sentinel/config-owner.h
@@ -0,0 +1,40 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#pragma once
+
+#include <vespa/config-sentinel.h>
+#include <vespa/config/config.h>
+
+using cloud::config::SentinelConfig;
+
+using config::ConfigSubscriber;
+using config::ConfigHandle;
+
+namespace config::sentinel {
+
+/**
+ * Handles config subscription and has a snapshot of current config.
+ **/
+class ConfigOwner {
+private:
+    ConfigSubscriber _subscriber;
+    ConfigHandle<SentinelConfig>::UP _sentinelHandle;
+
+    int64_t _currGeneration = -1;
+    std::unique_ptr<SentinelConfig> _currConfig;
+
+    ConfigOwner(const ConfigOwner&) = delete;
+    ConfigOwner& operator =(const ConfigOwner&) = delete;
+
+    void doConfigure();
+public:
+    ConfigOwner();
+    virtual ~ConfigOwner();
+    void subscribe(const std::string & configId, std::chrono::milliseconds timeout);
+    bool checkForConfigUpdate();
+    bool hasConfig() const { return _currConfig.get() != nullptr; }
+    const SentinelConfig& getConfig() const { return *_currConfig; }
+    int64_t getGeneration() const { return _currGeneration; }
+};
+
+}