diff --git a/src/service.hpp b/src/service.hpp
new file mode 100644
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--- /dev/null
+++ b/src/service.hpp
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (C) 2020 YADRO
+
+#pragma once
+
+#include "config.hpp"
+#include "dbus_loop.hpp"
+#include "file_storage.hpp"
+#include "host_console.hpp"
+#include "log_buffer.hpp"
+
+/**
+ * @class Service
+ * @brief Log service: watches for events and handles them.
+ */
+class Service
+{
+  public:
+    /**
+     * @brief Constructor.
+     *
+     * @param[in] config service configuration
+     *
+     * @throw std::exception in case of errors
+     */
+    Service(const Config& config);
+
+    /**
+     * @brief Run the service.
+     *
+     * @throw std::exception in case of errors
+     */
+    void run();
+
+  private:
+    /**
+     * @brief Flush log buffer to a file.
+     */
+    void flush();
+
+    /**
+     * @brief Read data from host console and put it into the log buffer.
+     */
+    void readConsole();
+
+  private:
+    /** @brief Service configuration. */
+    const Config& config;
+    /** @brief D-Bus event loop. */
+    DbusLoop dbusLoop;
+    /** @brief Host console connection. */
+    HostConsole hostConsole;
+    /** @brief Intermediate storage: container for parsed log messages. */
+    LogBuffer logBuffer;
+    /** @brief Persistent storage. */
+    FileStorage fileStorage;
+};