PR feedback

Author: JamesNK

src/Grpc.Net.Client/Balancer/BalancerAttributes.cs

@@ -72,7 +72,7 @@ private BalancerAttributes(Dictionary<string, object?> attributes, bool readOnly
     ICollection<string> IDictionary<string, object?>.Keys => _attributes.Keys;
     ICollection<object?> IDictionary<string, object?>.Values => _attributes.Values;
     int ICollection<KeyValuePair<string, object?>>.Count => _attributes.Count;
-    bool ICollection<KeyValuePair<string, object?>>.IsReadOnly => _readOnly ? true : ((ICollection<KeyValuePair<string, object?>>)_attributes).IsReadOnly;
+    bool ICollection<KeyValuePair<string, object?>>.IsReadOnly => _readOnly || ((ICollection<KeyValuePair<string, object?>>)_attributes).IsReadOnly;
     IEnumerable<string> IReadOnlyDictionary<string, object?>.Keys => _attributes.Keys;
     IEnumerable<object?> IReadOnlyDictionary<string, object?>.Values => _attributes.Values;
     int IReadOnlyCollection<KeyValuePair<string, object?>>.Count => _attributes.Count;

src/Grpc.Net.Client/Balancer/Subchannel.cs

@@ -176,7 +176,7 @@ public void UpdateAddresses(IReadOnlyList<BalancerAddress> addresses)
                     var currentAddress = CurrentAddress;
                     if (currentAddress != null)
                     {
-                        if (!HasMatchingEndpoint(_addresses, currentAddress))
+                        if (GetAddressByEndpoint(_addresses, currentAddress.EndPoint) != null)
                         {
                             SubchannelLog.ConnectedAddressNotInUpdatedAddresses(_logger, Id, currentAddress);
                             requireReconnect = true;
@@ -406,36 +406,30 @@ internal void RaiseStateChanged(ConnectivityState state, Status status)
         }
     }
 
-    internal BalancerAddress? GetAddress(DnsEndPoint? endpoint)
+    internal BalancerAddress? GetAddress(DnsEndPoint? endPoint)
     {
-        if (endpoint != null)
+        if (endPoint != null)
         {
             lock (Lock)
             {
-                foreach (var address in _addresses)
-                {
-                    if (address.EndPoint.Equals(endpoint))
-                    {
-                        return address;
-                    }
-                }
+                return GetAddressByEndpoint(_addresses, endPoint);
             }
         }
 
         return null;
     }
 
-    private static bool HasMatchingEndpoint(List<BalancerAddress> addresses, BalancerAddress currentAddress)
+    private static BalancerAddress? GetAddressByEndpoint(List<BalancerAddress> addresses, DnsEndPoint endPoint)
     {
         foreach (var a in addresses)
         {
-            if (a.EndPoint.Equals(currentAddress.EndPoint))
+            if (a.EndPoint.Equals(endPoint))
             {
-                return true;
+                return a;
             }
         }
 
-        return false;
+        return null;
     }
 
     /// <inheritdocs />