From 7dc44c738ee40d3f608c69a38550c77def440210 Mon Sep 17 00:00:00 2001
From: Owen Green <gungwho@gmail.com>
Date: Mon, 8 Jun 2020 22:34:24 +0100
Subject: [PATCH] Don't try and send message responses > 8kb

---
 include/FluidSCWrapper.hpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/include/FluidSCWrapper.hpp b/include/FluidSCWrapper.hpp
index 8323503..80d88ff 100644
--- a/include/FluidSCWrapper.hpp
+++ b/include/FluidSCWrapper.hpp
@@ -1354,10 +1354,16 @@ class FluidSCWrapper : public impl::FluidSCWrapperBase<C>
                             MessageResult<T>& result)
   {
     auto ft = getInterfaceTable();
+    if(!x->mNodeAlive) return;
+    
     // allocate return values
     index  numArgs = ToFloatArray::allocSize(static_cast<T>(result));
-    
-    if(!x->mNodeAlive) return;
+
+    if(numArgs > 2048)
+    {
+      std::cout << "ERROR: Message response too big to send (" << asUnsigned(numArgs) * sizeof(float) << " bytes)." << std::endl;
+      return;
+    }
     
     float* values = static_cast<float*>(
         ft->fRTAlloc(x->mNode->mWorld, asUnsigned(numArgs) * sizeof(float)));
@@ -1389,6 +1395,12 @@ class FluidSCWrapper : public impl::FluidSCWrapperBase<C>
     std::tie(offsets, numArgs) =
         ToFloatArray::allocSize(static_cast<std::tuple<Ts...>>(result));
     
+    if(numArgs > 2048)
+    {
+      std::cout << "ERROR: Message response too big to send (" << asUnsigned(numArgs) * sizeof(float) << " bytes)." << std::endl;
+      return;
+    }
+    
     float* values = static_cast<float*>(
         ft->fRTAlloc(x->mNode->mWorld, asUnsigned(numArgs) * sizeof(float)));