From 472b6a1c39a694cb64c195a1f68dc00789e46c59 Mon Sep 17 00:00:00 2001
From: Kevin Matz <kevin@company235.com>
Date: Sun, 11 Dec 2022 21:24:27 -0500
Subject: [PATCH] retriever of sources metadata

---
 protocol/esta/sacn/universemerger.cpp | 15 +++++++++++++++
 protocol/esta/sacn/universemerger.h   |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/protocol/esta/sacn/universemerger.cpp b/protocol/esta/sacn/universemerger.cpp
index 89001ae..56d45e1 100644
--- a/protocol/esta/sacn/universemerger.cpp
+++ b/protocol/esta/sacn/universemerger.cpp
@@ -167,4 +167,19 @@ std::shared_ptr<DATA::data_header> UniverseMerger::metadata() const
   return Universe::metadata();
 }
 
+
+/**
+ * @brief UniverseMerger::sources
+ * @return
+ */
+const std::vector<DATA::data_header> UniverseMerger::sources() const
+{
+    std::vector<DATA::data_header> metas;
+    metas.reserve(sources_.size());
+    for (const auto & universe: sources_)
+        metas.push_back(*universe->metadata());
+    return metas;
+}
+
+
 } // namespace sACN
diff --git a/protocol/esta/sacn/universemerger.h b/protocol/esta/sacn/universemerger.h
index 4ed4fd8..9cd10ad 100644
--- a/protocol/esta/sacn/universemerger.h
+++ b/protocol/esta/sacn/universemerger.h
@@ -48,6 +48,9 @@ public:
     // sACN::Universe overrides
     virtual uint16_t activeSlots() const override;
     virtual std::shared_ptr<DATA::data_header> metadata() const override;
+    virtual bool hasSources() const override {return true;} //!< is a poly-source universe @return
+    virtual const std::vector<DATA::data_header> sources() const override;
+
 
 private:
     std::vector<std::shared_ptr<Universe>> sources_;