diff --git a/inf3.csproj b/inf3.csproj
index 52bbf88..5e11a0b 100644
--- a/inf3.csproj
+++ b/inf3.csproj
@@ -70,6 +70,7 @@
     <Compile Include="src\Online.cs" />
     <Compile Include="src\Time.cs" />
     <Compile Include="src\Buffer_Wafa.cs" />
+    <Compile Include="src\BufferManuel.cs" />
   </ItemGroup>
   <ItemGroup />
 </Project>
\ No newline at end of file
diff --git a/src/BufferManuel.cs b/src/BufferManuel.cs
new file mode 100644
index 0000000..45d33f3
--- /dev/null
+++ b/src/BufferManuel.cs
@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+using System.Threading;
+
+namespace WorldOfPeacecraft
+{
+	class BufferManuel
+	{
+		private Queue<string> Lines = new Queue<string>();
+		private int MaxSize;
+		private AutoResetEvent QueueFullLock = new AutoResetEvent(false);
+		private AutoResetEvent QueueEmptyLock = new AutoResetEvent(false);
+
+		public BufferManuel (int maxSize)
+		{
+			this.MaxSize = maxSize;
+		}
+
+		public void AddLine (string line)
+		{
+			bool waitRequired = false;
+			lock (Lines) {
+				if (Lines.Count >= MaxSize) {
+					waitRequired = true;
+					QueueFullLock.Reset ();
+				}
+			}
+			if (waitRequired) {
+				QueueFullLock.WaitOne ();
+			}
+			lock (Lines) {
+				Lines.Enqueue (line);
+				QueueEmptyLock.Set();
+			}
+		}
+
+		public string NextLine ()
+		{
+			bool waitRequired = false;
+			string line;
+			lock (Lines) {
+				if (Lines.Count == 0) {
+					waitRequired = true;
+					QueueEmptyLock.Reset ();
+				}
+			}
+			if (waitRequired) {
+				QueueEmptyLock.WaitOne ();
+			}
+			lock (Lines) {
+				line = Lines.Dequeue();
+				QueueFullLock.Set ();
+			}
+			return line;
+		}
+	}
+}