UAC implementation

src/ue/rrc/access.cpp

@@ -8,6 +8,8 @@
 
 #include "task.hpp"
 
+#include <algorithm>
+
 #include <lib/rrc/encode.hpp>
 #include <ue/nas/task.hpp>
 
@@ -21,7 +23,43 @@ void UeRrcTask::performUac(std::shared_ptr<LightSync<UacInput, UacOutput>> &uacC
     m_establishmentCause = input.establishmentCause;
 
     auto output = std::make_unique<UacOutput>();
-    output->res = EUacResult::ALLOWED; // TODO
+
+    int cellId = m_base->shCtx.currentCell.get().cellId;
+    if (m_cellDesc.count(cellId))
+    {
+        auto &desc = m_cellDesc[cellId];
+        if (!desc.mib.hasMib || !desc.sib1.hasSib1 || desc.mib.isBarred || desc.sib1.isReserved)
+            output->res = EUacResult::BARRED;
+        else
+        {
+
+            size_t barredCount = 0;
+
+            if (desc.sib1.aiBarringSet.ai1 && input.identities[1])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai2 && input.identities[2])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai11 && input.identities[11])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai12 && input.identities[12])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai13 && input.identities[13])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai14 && input.identities[14])
+                barredCount++;
+            if (desc.sib1.aiBarringSet.ai15 && input.identities[15])
+                barredCount++;
+
+            if (input.identities.count() == barredCount)
+                output->res = EUacResult::BARRED;
+            else
+                output->res = EUacResult::ALLOWED;
+        }
+    }
+    else
+    {
+        output->res = EUacResult::BARRED;
+    }
 
     uacCtl->notifyProcessed(std::move(output));
 }