rfnoc: Add detail::block_container_t class

This is a storage for the noc_block_base derivatives. It supports
finding blocks.

1 files changed, 57 insertions, 0 deletions

diff --git a/host/lib/include/uhdlib/rfnoc/block_container.hpp b/host/lib/include/uhdlib/rfnoc/block_container.hpp
new file mode 100644
index 000000000..e32feed52
--- /dev/null
+++ b/host/lib/include/uhdlib/rfnoc/block_container.hpp
@@ -0,0 +1,57 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_LIBUHD_BLOCK_CONTAINER_HPP
+#define INCLUDED_LIBUHD_BLOCK_CONTAINER_HPP
+
+#include <uhd/rfnoc/noc_block_base.hpp>
+#include <uhd/rfnoc/block_id.hpp>
+#include <boost/units/detail/utility.hpp>
+#include <unordered_set>
+#include <mutex>
+#include <vector>
+
+namespace uhd { namespace rfnoc { namespace detail {
+
+/*! Storage container for RFNoC block controllers
+ */
+class block_container_t
+{
+public:
+    block_container_t();
+
+    void register_block(noc_block_base::sptr block);
+
+    /*! Returns the block ids of all blocks that match the specified hint
+     *
+     * See uhd::rfnoc::rfnoc_graph::find_blocks() for details.
+     */
+    std::vector<block_id_t> find_blocks(const std::string& block_id_hint) const;
+
+    /*! Checks if a specific NoC block exists on the device.
+     *
+     * See uhd::rfnoc::rfnoc_graph::has_block() for details.
+     */
+    bool has_block(const block_id_t& block_id) const;
+
+    /*! \brief Returns a block controller class for an NoC block.
+     *
+     * See uhd::rfnoc::rfnoc_graph::get_block() for details.
+     */
+    noc_block_base::sptr get_block(const block_id_t& block_id) const;
+
+private:
+    //! Lock access to the storage
+    mutable std::mutex _mutex;
+
+    //! The actual block registry
+    std::unordered_set<noc_block_base::sptr> _blocks;
+};
+
+}}} /* namespace uhd::rfnoc::detail */
+
+#endif /* INCLUDED_LIBUHD_BLOCK_CONTAINER_HPP */
+