Target net6.0

4 files changed, 20 insertions, 15 deletions

diff --git a/RSSDP/DisposableManagedObjectBase.cs b/RSSDP/DisposableManagedObjectBase.cs
index 7d6a471f9..5d7da4124 100644
--- a/RSSDP/DisposableManagedObjectBase.cs
+++ b/RSSDP/DisposableManagedObjectBase.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Text;
 
 namespace Rssdp.Infrastructure
@@ -45,11 +46,11 @@ namespace Rssdp.Infrastructure
 
             const string ArgFormat = "{0}: {1}\r\n";
 
-            builder.AppendFormat("{0}\r\n", header);
+            builder.AppendFormat(CultureInfo.InvariantCulture, "{0}\r\n", header);
 
             foreach (var pair in values)
             {
-                builder.AppendFormat(ArgFormat, pair.Key, pair.Value);
+                builder.AppendFormat(CultureInfo.InvariantCulture, ArgFormat, pair.Key, pair.Value);
             }
 
             builder.Append("\r\n");
diff --git a/RSSDP/RSSDP.csproj b/RSSDP/RSSDP.csproj
index 54113d464..77130983b 100644
--- a/RSSDP/RSSDP.csproj
+++ b/RSSDP/RSSDP.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AnalysisMode>AllDisabledByDefault</AnalysisMode>
     <Nullable>disable</Nullable>
diff --git a/RSSDP/SsdpDevice.cs b/RSSDP/SsdpDevice.cs
index 4005d836d..c826830f1 100644
--- a/RSSDP/SsdpDevice.cs
+++ b/RSSDP/SsdpDevice.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Globalization;
 using Rssdp.Infrastructure;
 
 namespace Rssdp
@@ -134,11 +135,13 @@ namespace Rssdp
         {
             get
             {
-                return String.Format("urn:{0}:{3}:{1}:{2}",
-                this.DeviceTypeNamespace ?? String.Empty,
-                this.DeviceType ?? String.Empty,
-                this.DeviceVersion,
-                this.DeviceClass ?? "device");
+                return String.Format(
+                    CultureInfo.InvariantCulture,
+                    "urn:{0}:{3}:{1}:{2}",
+                    this.DeviceTypeNamespace ?? String.Empty,
+                    this.DeviceType ?? String.Empty,
+                    this.DeviceVersion,
+                    this.DeviceClass ?? "device");
             }
         }
 
diff --git a/RSSDP/SsdpDevicePublisher.cs b/RSSDP/SsdpDevicePublisher.cs
index c9e795d56..64d19803d 100644
--- a/RSSDP/SsdpDevicePublisher.cs
+++ b/RSSDP/SsdpDevicePublisher.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Globalization;
 using System.Linq;
 using System.Net;
 using System.Threading;
@@ -233,7 +234,7 @@ namespace Rssdp.Infrastructure
         {
             if (String.IsNullOrEmpty(searchTarget))
             {
-                WriteTrace(String.Format("Invalid search request received From {0}, Target is null/empty.", remoteEndPoint.ToString()));
+                WriteTrace(String.Format(CultureInfo.InvariantCulture, "Invalid search request received From {0}, Target is null/empty.", remoteEndPoint.ToString()));
                 return;
             }
 
@@ -340,7 +341,7 @@ namespace Rssdp.Infrastructure
 
         private string GetUsn(string udn, string fullDeviceType)
         {
-            return String.Format("{0}::{1}", udn, fullDeviceType);
+            return String.Format(CultureInfo.InvariantCulture, "{0}::{1}", udn, fullDeviceType);
         }
 
         private async void SendSearchResponse(
@@ -363,7 +364,7 @@ namespace Rssdp.Infrastructure
             values["DATE"] = DateTime.UtcNow.ToString("r");
             values["CACHE-CONTROL"] = "max-age = " + rootDevice.CacheLifetime.TotalSeconds;
             values["ST"] = searchTarget;
-            values["SERVER"] = string.Format("{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
+            values["SERVER"] = string.Format(CultureInfo.InvariantCulture, "{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
             values["USN"] = uniqueServiceName;
             values["LOCATION"] = rootDevice.Location.ToString();
 
@@ -497,7 +498,7 @@ namespace Rssdp.Infrastructure
             values["DATE"] = DateTime.UtcNow.ToString("r");
             values["CACHE-CONTROL"] = "max-age = " + rootDevice.CacheLifetime.TotalSeconds;
             values["LOCATION"] = rootDevice.Location.ToString();
-            values["SERVER"] = string.Format("{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
+            values["SERVER"] = string.Format(CultureInfo.InvariantCulture, "{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
             values["NTS"] = "ssdp:alive";
             values["NT"] = notificationType;
             values["USN"] = uniqueServiceName;
@@ -522,7 +523,7 @@ namespace Rssdp.Infrastructure
             }
 
             tasks.Add(SendByeByeNotification(device, device.Udn, device.Udn, cancellationToken));
-            tasks.Add(SendByeByeNotification(device, String.Format("urn:{0}", device.FullDeviceType), GetUsn(device.Udn, device.FullDeviceType), cancellationToken));
+            tasks.Add(SendByeByeNotification(device, String.Format(CultureInfo.InvariantCulture, "urn:{0}", device.FullDeviceType), GetUsn(device.Udn, device.FullDeviceType), cancellationToken));
 
             foreach (var childDevice in device.Devices)
             {
@@ -542,7 +543,7 @@ namespace Rssdp.Infrastructure
             // If needed later for non-server devices, these headers will need to be dynamic
             values["HOST"] = "239.255.255.250:1900";
             values["DATE"] = DateTime.UtcNow.ToString("r");
-            values["SERVER"] = string.Format("{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
+            values["SERVER"] = string.Format(CultureInfo.InvariantCulture, "{0}/{1} UPnP/1.0 RSSDP/{2}", _OSName, _OSVersion, ServerVersion);
             values["NTS"] = "ssdp:byebye";
             values["NT"] = notificationType;
             values["USN"] = uniqueServiceName;
@@ -550,7 +551,7 @@ namespace Rssdp.Infrastructure
             var message = BuildMessage(header, values);
 
             var sendCount = IsDisposed ? 1 : 3;
-            WriteTrace(String.Format("Sent byebye notification"), device);
+            WriteTrace(String.Format(CultureInfo.InvariantCulture, "Sent byebye notification"), device);
             return _CommsServer.SendMulticastMessage(message, sendCount, _sendOnlyMatchedHost ? device.ToRootDevice().Address : null, cancellationToken);
         }