added iOS source code

[wl-app.git] / iOS / Pods / Realm / include / core / realm / sync / metrics.hpp

diff --git a/iOS/Pods/Realm/include/core/realm/sync/metrics.hpp b/iOS/Pods/Realm/include/core/realm/sync/metrics.hpp
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+/*************************************************************************
+ *
+ * REALM CONFIDENTIAL
+ * __________________
+ *
+ *  [2011] - [2012] Realm Inc
+ *  All Rights Reserved.
+ *
+ * NOTICE:  All information contained herein is, and remains
+ * the property of Realm Incorporated and its suppliers,
+ * if any.  The intellectual and technical concepts contained
+ * herein are proprietary to Realm Incorporated
+ * and its suppliers and may be covered by U.S. and Foreign Patents,
+ * patents in process, and are protected by trade secret or copyright law.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Realm Incorporated.
+ *
+ **************************************************************************/
+#ifndef REALM_SYNC_METRICS_HPP
+#define REALM_SYNC_METRICS_HPP
+
+#if REALM_HAVE_DOGLESS
+#  include <dogless.hpp>
+#endif
+
+namespace realm {
+namespace sync {
+
+// FIXME: Consider adding support for specification of sample rate. The Dogless
+// API already supports this.
+class Metrics {
+public:
+    /// Increment the counter identified by the specified key.
+    virtual void increment(const char* key, int value = 1) = 0;
+
+    /// Send the timing identified by the specified key.
+    virtual void timing(const char* key, double value) = 0;
+
+    /// Set value of the guage identified by the specified key.
+    virtual void gauge(const char* key, double value) = 0;
+
+    /// Add the specified value to the guage identified by the specified
+    /// key. The value is allowed to be negative.
+    virtual void gauge_relative(const char* key, double value) = 0;
+
+    /// Allow the dogless library to send each metric to multiple endpoints, as
+    /// required
+    virtual void add_endpoint(const std::string& endpoint) = 0;
+
+    virtual ~Metrics() {}
+};
+
+#if REALM_HAVE_DOGLESS
+
+class DoglessMetrics: public sync::Metrics {
+public:
+    DoglessMetrics():
+        m_dogless(dogless::hostname_prefix("realm")) // Throws
+    {
+        m_dogless.loop_interval(1);
+    }
+
+    void increment(const char* key, int value = 1) override
+    {
+        const char* metric = key;
+        m_dogless.increment(metric, value); // Throws
+    }
+
+    void timing(const char* key, double value) override
+    {
+        const char* metric = key;
+        m_dogless.timing(metric, value); // Throws
+    }
+
+    void gauge(const char* key, double value) override
+    {
+        const char* metric = key;
+        m_gauges[key] = value;
+        m_dogless.gauge(metric, m_gauges[key]); // Throws
+    }
+
+    void gauge_relative(const char* key, double value) override
+    {
+        const char* metric = key;
+        m_gauges[key] += value;
+        m_dogless.gauge(metric, m_gauges[key]); // Throws
+    }
+
+    void add_endpoint(const std::string& endpoint) override
+    {
+        m_dogless.add_endpoint(endpoint);
+    }
+
+private:
+    dogless::BufferedStatsd m_dogless;
+    std::map<std::string, double> m_gauges;
+};
+
+#endif
+
+} // namespace sync
+} // namespace realm
+
+#endif // REALM_SYNC_METRICS_HPP