Added basiic TCP Cmdlets and handling

lib/core/tools/Close-IcingaTcpConnection.psm1

@@ -1,14 +0,0 @@
-function Close-IcingaTcpConnection()
-{
-    param(
-        $TcpClient
-    );
-
-    if ($null -eq $TcpClient) {
-        return;
-    }
-
-    $TcpClient.Close();
-    $TcpClient.Dispose();
-    $TcpClient = $null;
-}

lib/web/Close-IcingaTCPConnection.psm1

@@ -0,0 +1,14 @@
+function Close-IcingaTCPConnection()
+{
+    param(
+        [System.Net.Sockets.TcpClient]$Client = $null
+    );
+
+    if ($null -eq $Client) {
+        return;
+    }
+
+    $Client.Close();
+    $Client.Dispose();
+    $Client = $null;
+}

lib/web/Close-IcingaTCPSocket.psm1

@@ -0,0 +1,12 @@
+function Close-IcingaTCPSocket()
+{
+    param(
+        [System.Net.Sockets.TcpListener]$Socket = $null
+    );
+
+    if ($null -eq $Socket) {
+        return;
+    }
+
+    $Socket.Stop();
+}

lib/web/New-IcingaSSLStream.psm1

@@ -0,0 +1,12 @@
+function New-IcingaSSLStream()
+{
+    param(
+        [System.Net.Sockets.TcpClient]$Client                                 = @{},
+        [Security.Cryptography.X509Certificates.X509Certificate2]$Certificate = $null
+    );
+
+    $SSLStream = New-Object System.Net.Security.SslStream($Client.GetStream(), $false)
+    $SSLStream.AuthenticateAsServer($Certificate, $false, [System.Security.Authentication.SslProtocols]::Tls12, $true) | Out-Null;
+
+    return $SSLStream;
+}

lib/web/New-IcingaTCPClient.psm1

@@ -0,0 +1,14 @@
+function New-IcingaTCPClient()
+{
+    param(
+        [System.Net.Sockets.TcpListener]$Socket = $null
+    );
+
+    if ($null -eq $Socket) {
+        return $null;
+    }
+
+    [System.Net.Sockets.TcpClient]$Client = $Socket.AcceptTcpClient();
+
+    return $Client;
+}

lib/web/New-IcingaTCPSocket.psm1

@@ -0,0 +1,19 @@
+function New-IcingaTCPSocket()
+{
+    param(
+        [int]$Port     = 0,
+        [switch]$Start = $FALSE
+    );
+
+    if ($Port -eq 0) {
+        throw 'Please specify a valid port to open a TCP socket for';
+    }
+
+    $TCPSocket = [System.Net.Sockets.TcpListener]$Port;
+
+    if ($Start) {
+        $TCPSocket.Start();
+    }
+
+    return $TCPSocket;
+}

lib/web/Read-IcingaTCPStream.psm1

@@ -0,0 +1,29 @@
+function Read-IcingaTCPStream()
+{
+    param(
+        [System.Net.Sockets.TcpClient]$Client  = @{},
+        [System.Net.Security.SslStream]$Stream = $null
+    );
+
+    # Get the maxium size of our buffer
+    [byte[]]$bytes = New-Object byte[] $Client.ReceiveBufferSize;
+    # Read the content of our SSL stream
+    $Stream.Read($bytes, 0, $Client.ReceiveBufferSize);
+
+    # Now ready the actual content size of the received message
+    [int]$count = 0;
+    for ($i=0; $i -le $Client.ReceiveBufferSize; $i++) {
+        if ($bytes[$i] -ne 0) {
+            $count = $count + 1;
+        } else {
+            break;
+        }
+    }
+
+    # Resize our array to the correct size
+    [byte[]]$resized = New-Object byte[] $count;
+    [array]::Copy($bytes, 0, $resized, 0, $count);
+
+    # Return our message content
+    return [System.Text.Encoding]::UTF8.GetString($resized);
+}