From 5724548f5ce1efae1f8a5de218fafcb26fcc97fa Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 16 Jul 2019 16:40:24 -0700
Subject: rfnoc: actions: Add rx_event action type

---
 host/include/uhd/rfnoc/actions.hpp | 19 +++++++++++++++++--
 host/lib/rfnoc/actions.cpp         | 17 ++++++++++++++++-
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/host/include/uhd/rfnoc/actions.hpp b/host/include/uhd/rfnoc/actions.hpp
index 611cb787c..bc681360b 100644
--- a/host/include/uhd/rfnoc/actions.hpp
+++ b/host/include/uhd/rfnoc/actions.hpp
@@ -8,11 +8,11 @@
 #define INCLUDED_LIBUHD_RFNOC_ACTIONS_HPP
 
 #include <uhd/config.hpp>
-#include <uhd/rfnoc/defaults.hpp>
+#include <uhd/types/metadata.hpp>
 #include <uhd/types/stream_cmd.hpp>
+#include <memory>
 #include <string>
 #include <vector>
-#include <memory>
 
 namespace uhd { namespace rfnoc {
 
@@ -58,6 +58,21 @@ private:
     stream_cmd_action_info(const uhd::stream_cmd_t::stream_mode_t stream_mode);
 };
 
+struct UHD_API rx_event_action_info : public action_info
+{
+public:
+    using sptr = std::shared_ptr<rx_event_action_info>;
+
+    //! The error code that describes the event
+    uhd::rx_metadata_t::error_code_t error_code = uhd::rx_metadata_t::ERROR_CODE_NONE;
+
+    //! Factory function
+    static sptr make();
+
+private:
+    rx_event_action_info();
+};
+
 }} /* namespace uhd::rfnoc */
 
 #endif /* INCLUDED_LIBUHD_RFNOC_ACTIONS_HPP */
diff --git a/host/lib/rfnoc/actions.cpp b/host/lib/rfnoc/actions.cpp
index 428a1fcb2..c441c52b3 100644
--- a/host/lib/rfnoc/actions.cpp
+++ b/host/lib/rfnoc/actions.cpp
@@ -5,6 +5,7 @@
 //
 
 #include <uhd/rfnoc/actions.hpp>
+#include <uhd/rfnoc/defaults.hpp>
 #include <atomic>
 
 using namespace uhd::rfnoc;
@@ -30,6 +31,7 @@ action_info::sptr action_info::make(const std::string& key)
     return sptr(new action_info(key));
 }
 
+/*** Stream Command Action Info **********************************************/
 stream_cmd_action_info::stream_cmd_action_info(
     const uhd::stream_cmd_t::stream_mode_t stream_mode)
     : action_info(ACTION_KEY_STREAM_CMD), stream_cmd(stream_mode)
@@ -40,6 +42,19 @@ stream_cmd_action_info::stream_cmd_action_info(
 stream_cmd_action_info::sptr stream_cmd_action_info::make(
     const uhd::stream_cmd_t::stream_mode_t stream_mode)
 {
-    //return std::make_shared<action_info>(ACTION_KEY_STREAM_CMD);
     return sptr(new stream_cmd_action_info(stream_mode));
 }
+
+/*** RX Metadata Action Info *************************************************/
+rx_event_action_info::rx_event_action_info() : action_info(ACTION_KEY_RX_EVENT)
+{
+    // nop
+}
+
+rx_event_action_info::sptr rx_event_action_info::make()
+{
+    struct rx_event_action_info_make_shared : public rx_event_action_info
+    {
+    };
+    return std::make_shared<rx_event_action_info_make_shared>();
+}
-- 
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