More robust config parsing

1 files changed, 9 insertions, 2 deletions

diff --git a/daemon/src/connection_manager.cpp b/daemon/src/connection_manager.cpp
index 7467e4e..c3d260e 100644
--- a/daemon/src/connection_manager.cpp
+++ b/daemon/src/connection_manager.cpp
@@ -43,10 +43,17 @@ Connection_Manager::Connection_Manager(Device_Map const & device_map, Submitter
 
 Connection_Manager::~Connection_Manager() = default;
 
-Sender &
+std::optional<std::reference_wrapper<Sender>>
 Connection_Manager::get_sender(Device_Id const & device) const
 {
-    return *m_connections.at(device);
+    if (m_connections.contains(device))
+    {
+        return *m_connections.at(device);
+    }
+    else
+    {
+        return std::nullopt;
+    }
 }
 
 void