public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
if (messageData == null) throw new ArgumentNullException("messageData");
if (endPoint == null) throw new ArgumentNullException("endPoint");
ThrowIfDisposed();
var signal = new System.Threading.ManualResetEvent(false);
try
{
_UdpClient.BeginSendToGroup(messageData, 0, messageData.Length,
(asyncResult) =>
{
_UdpClient.EndSendToGroup(asyncResult);
signal.Set();
}
, null
);
signal.WaitOne();
}
finally
{
signal.Dispose();
}
}
public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
ThrowIfDisposed();
if (messageData == null) throw new ArgumentNullException("messageData");
if (endPoint == null) throw new ArgumentNullException("endPoint");
_Socket.SendTo(messageData, new System.Net.IPEndPoint(IPAddress.Parse(endPoint.IPAddress), endPoint.Port));
}
public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
if (messageData == null) throw new ArgumentNullException("messageData");
if (endPoint == null) throw new ArgumentNullException("endPoint");
ThrowIfDisposed();
var args = new SocketAsyncEventArgs();
try
{
args.SetBuffer(messageData, 0, messageData.Length);
args.RemoteEndPoint = new System.Net.IPEndPoint(IPAddress.Parse(endPoint.IPAddress), endPoint.Port);
var signal = new ManualResetEvent(false);
try
{
args.Completed += (sender, e) =>
{
signal.Set();
};
_Socket.SendToAsync(args);
signal.WaitOne();
}
finally
{
signal.Dispose();
}
}
catch
{
if (args != null)
args.Dispose();
throw;
}
}
private void ProcessMessage(string data, UdpEndPoint endPoint)
{
//Responses start with the HTTP version, prefixed with HTTP/ while
//requests start with a method which can vary and might be one we haven't
//seen/don't know. We'll check if this message is a request or a response
//by checking for the static HTTP/ prefix on the start of the message.
if (data.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
HttpResponseMessage responseMessage = null;
try
{
responseMessage = _ResponseParser.Parse(data);
}
catch (ArgumentException) { } // Ignore invalid packets.
catch (FormatException) { } // Ignore invalid packets.
if (responseMessage != null)
{
OnResponseReceived(responseMessage, endPoint);
}
}
else
{
HttpRequestMessage requestMessage = null;
try
{
requestMessage = _RequestParser.Parse(data);
}
catch (ArgumentException) { } // Ignore invalid packets.
catch (FormatException) { } // Ignore invalid packets.
if (requestMessage != null)
{
OnRequestReceived(requestMessage, endPoint);
}
}
}
private void ProcessMessage(string data, UdpEndPoint endPoint)
{
//Responses start with the HTTP version, prefixed with HTTP/ while
//requests start with a method which can vary and might be one we haven't
//seen/don't know. We'll check if this message is a request or a response
//by checking for the static HTTP/ prefix on the start of the message.
if (data.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
HttpResponseMessage responseMessage = null;
try
{
responseMessage = _ResponseParser.Parse(data);
}
catch (ArgumentException) { } // Ignore invalid packets.
if (responseMessage != null)
OnResponseReceived(responseMessage, endPoint);
}
else
{
HttpRequestMessage requestMessage = null;
try
{
requestMessage = _RequestParser.Parse(data);
}
catch (ArgumentException) { } // Ignore invalid packets.
if (requestMessage != null)
OnRequestReceived(requestMessage, endPoint);
}
_MessageProcessedSignal.Set();
}
private void SendServiceSearchResponses(SsdpDevice device, string searchTarget, UdpEndPoint endPoint)
{
//uuid:device-UUID::urn:domain-name:service:serviceType:ver
SendSearchResponse(searchTarget, device, device.Udn + "::" + searchTarget, endPoint);
}
public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
using (var stream = (_Socket.GetOutputStreamAsync(new Windows.Networking.HostName(endPoint.IPAddress), endPoint.Port.ToString()).AsTask().Result))
{
using (var outStream = stream.AsStreamForWrite())
{
outStream.Write(messageData, 0, messageData.Length);
outStream.Flush();
}
}
}
private void SendSearchResponse(string searchTarget, SsdpDevice device, string uniqueServiceName, UdpEndPoint endPoint)
{
var rootDevice = device.ToRootDevice();
var message = String.Format(DeviceSearchResponseMessageFormat,
CacheControlHeaderFromTimeSpan(rootDevice),
searchTarget,
uniqueServiceName,
rootDevice.Location,
_OSName,
_OSVersion,
ServerVersion,
DateTime.UtcNow.ToString("r")
);
_CommsServer.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), endPoint);
WriteTrace(String.Format("Sent search response to " + endPoint.ToString()), device);
}
public void CommsServer_SendMessageSendsOnUnicastSocket()
{
var socketFactory = new MockSocketFactory();
var server = new SsdpCommunicationsServer(socketFactory);
string message = "Hello!";
UdpEndPoint destination = new UdpEndPoint() { IPAddress = "192.168.1.100", Port = 1701 };
server.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), destination);
Assert.IsNotNull(socketFactory.UnicastSocket);
var mockSocket = socketFactory.UnicastSocket as MockSocket;
Assert.AreEqual(message, System.Text.UTF8Encoding.UTF8.GetString(mockSocket.LastMessage));
Assert.AreEqual(destination.IPAddress, mockSocket.LastSentTo.IPAddress);
Assert.AreEqual(destination.Port, mockSocket.LastSentTo.Port);
}
/// <summary>
/// Full constructor.
/// </summary>
/// <param name="message">The <see cref="HttpResponseMessage"/> that was received.</param>
/// <param name="receivedFrom">A <see cref="UdpEndPoint"/> representing the sender's address (sometimes used for replies).</param>
public ResponseReceivedEventArgs(HttpResponseMessage message, UdpEndPoint receivedFrom)
{
_Message = message;
_ReceivedFrom = receivedFrom;
}
private void ProcessSearchRequest(string mx, string searchTarget, UdpEndPoint endPoint)
{
if (String.IsNullOrEmpty(searchTarget))
{
WriteTrace(String.Format("Invalid search request received From {0}, Target is null/empty.", endPoint.ToString()));
return;
}
WriteTrace(String.Format("Search Request Received From {0}, Target = {1}", endPoint.ToString(), searchTarget));
if (IsDuplicateSearchRequest(searchTarget, endPoint))
{
WriteTrace("Search Request is Duplicate, ignoring.");
return;
}
//Wait on random interval up to MX, as per SSDP spec.
//Also, as per UPnP 1.1/SSDP spec ignore missing/bank MX header. If over 120, assume random value between 0 and 120.
//Using 16 as minimum as that's often the minimum system clock frequency anyway.
int maxWaitInterval = 0;
if (String.IsNullOrEmpty(mx))
{
//Windows Explorer is poorly behaved and doesn't supply an MX header value.
if (this.SupportPnpRootDevice)
mx = "1";
else
return;
}
if (!Int32.TryParse(mx, out maxWaitInterval) || maxWaitInterval <= 0) return;
if (maxWaitInterval > 120)
maxWaitInterval = _Random.Next(0, 120);
//Do not block synchronously as that may tie up a threadpool thread for several seconds.
TaskEx.Delay(_Random.Next(16, (maxWaitInterval * 1000))).ContinueWith((parentTask) =>
{
//Copying devices to local array here to avoid threading issues/enumerator exceptions.
IEnumerable<SsdpDevice> devices = null;
lock (_Devices)
{
if (String.Compare(SsdpConstants.SsdpDiscoverAllSTHeader, searchTarget, StringComparison.OrdinalIgnoreCase) == 0)
devices = GetAllDevicesAsFlatEnumerable().ToArray();
else if (String.Compare(SsdpConstants.UpnpDeviceTypeRootDevice, searchTarget, StringComparison.OrdinalIgnoreCase) == 0 || (this.SupportPnpRootDevice && String.Compare(SsdpConstants.PnpDeviceTypeRootDevice, searchTarget, StringComparison.OrdinalIgnoreCase) == 0))
devices = _Devices.ToArray();
else if (searchTarget.Trim().StartsWith("uuid:", StringComparison.OrdinalIgnoreCase))
devices = (from device in GetAllDevicesAsFlatEnumerable() where String.Compare(device.Uuid, searchTarget.Substring(5), StringComparison.OrdinalIgnoreCase) == 0 select device).ToArray();
else if (searchTarget.StartsWith("urn:", StringComparison.OrdinalIgnoreCase))
devices = (from device in GetAllDevicesAsFlatEnumerable() where String.Compare(device.FullDeviceType, searchTarget, StringComparison.OrdinalIgnoreCase) == 0 select device).ToArray();
}
if (devices != null)
{
WriteTrace(String.Format("Sending {0} search responses", devices.Count()));
foreach (var device in devices)
{
SendDeviceSearchResponses(device, endPoint);
}
}
else
WriteTrace(String.Format("Sending 0 search responses."));
});
}
public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
_LastSentTo = endPoint;
_LastMessage = messageData;
}
private void SendSearchResponse(string searchTarget, SsdpDevice device, string uniqueServiceName, UdpEndPoint endPoint)
{
var rootDevice = device.ToRootDevice();
var additionalheaders = FormatCustomHeadersForResponse(device);
string message;
if (device.Weemo)
{
message = String.Format(WeemoSearchResponseMessageFormat,
String.Format("CACHE-CONTROL: max-age={0}", rootDevice.CacheLifetime.TotalSeconds),
DateTime.UtcNow.ToString("r"),
rootDevice.Location,
rootDevice.SerialNumber,
searchTarget,
uniqueServiceName);
}
else
{
message = String.Format(DeviceSearchResponseMessageFormat,
CacheControlHeaderFromTimeSpan(rootDevice),
searchTarget,
uniqueServiceName,
rootDevice.Location,
_OSName,
_OSVersion,
ServerVersion,
DateTime.UtcNow.ToString("r"),
additionalheaders);
}
_CommsServer.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), endPoint);
WriteTrace(String.Format("Sent search response to " + endPoint.ToString()), device);
}
public void MockReceive(byte[] data, UdpEndPoint fromEndPoint)
{
_ReceiveQueue.Enqueue(new ReceivedUdpData() { Buffer = data, ReceivedFrom = fromEndPoint, ReceivedBytes = data.Length });
_DataAvailableSignal.Set();
}
public void CommsServer_StopListeningForResponsesDisposesUnicastSocket()
{
var socketFactory = new MockSocketFactory();
var server = new SsdpCommunicationsServer(socketFactory);
string message = "Hello!";
UdpEndPoint destination = new UdpEndPoint() { IPAddress = "192.168.1.100", Port = 1701 };
server.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), destination);
var mockSocket = socketFactory.UnicastSocket as MockSocket;
Assert.IsFalse(mockSocket.IsDisposed);
server.StopListeningForResponses();
Assert.IsTrue(mockSocket.IsDisposed);
}
public void CommsServer_SendNullMulticastMessageThrowsException()
{
var socketFactory = new MockSocketFactory();
var server = new SsdpCommunicationsServer(socketFactory);
UdpEndPoint destination = new UdpEndPoint() { IPAddress = "192.168.1.100", Port = 1701 };
server.SendMulticastMessage(null);
}
public void SendMessage(byte[] messageData, UdpEndPoint destination)
{
SentMessages.Enqueue(new ReceivedUdpData() { Buffer = messageData, ReceivedBytes = messageData.Length, ReceivedFrom = destination });
_SentMessageSignal.Set();
}
/// <summary>
/// Full constructor.
/// </summary>
/// <param name="message">The <see cref="HttpResponseMessage"/> that was received.</param>
/// <param name="receivedFrom">A <see cref="UdpEndPoint"/> representing the sender's address (sometimes used for replies).</param>
public ResponseReceivedEventArgs(HttpResponseMessage message, UdpEndPoint receivedFrom)
{
_Message = message;
_ReceivedFrom = receivedFrom;
}
private bool IsDuplicateSearchRequest(string searchTarget, UdpEndPoint endPoint)
{
var isDuplicateRequest = false;
var newRequest = new SearchRequest() { EndPoint = endPoint, SearchTarget = searchTarget, Received = DateTime.UtcNow };
lock (_RecentSearchRequests)
{
if (_RecentSearchRequests.ContainsKey(newRequest.Key))
{
var lastRequest = _RecentSearchRequests[newRequest.Key];
if (lastRequest.IsOld())
_RecentSearchRequests[newRequest.Key] = newRequest;
else
isDuplicateRequest = true;
}
else
{
_RecentSearchRequests.Add(newRequest.Key, newRequest);
if (_RecentSearchRequests.Count > 10)
CleanUpRecentSearchRequestsAsync();
}
}
return isDuplicateRequest;
}
private void ProcessSearchRequest(string mx, string searchTarget, UdpEndPoint endPoint)
{
if (String.IsNullOrEmpty(searchTarget))
{
WriteTrace(String.Format("Invalid search request received From {0}, Target is null/empty.", endPoint.ToString()));
return;
}
WriteTrace(String.Format("Search Request Received From {0}, Target = {1}", endPoint.ToString(), searchTarget));
if (IsDuplicateSearchRequest(searchTarget, endPoint))
{
WriteTrace("Search Request is Duplicate, ignoring.");
return;
}
//Wait on random interval up to MX, as per SSDP spec.
//Also, as per UPnP 1.1/SSDP spec ignore missing/bank MX header. If over 120, assume random value between 0 and 120.
//Using 16 as minimum as that's often the minimum system clock frequency anyway.
int maxWaitInterval = 0;
if (String.IsNullOrEmpty(mx))
{
//Windows Explorer is poorly behaved and doesn't supply an MX header value.
if (this.SupportPnpRootDevice)
{
mx = "1";
}
else
{
return;
}
}
if (!Int32.TryParse(mx, out maxWaitInterval) || maxWaitInterval <= 0)
{
return;
}
if (maxWaitInterval > 120)
{
maxWaitInterval = _Random.Next(0, 120);
}
//Do not block synchronously as that may tie up a threadpool thread for several seconds.
TaskEx.Delay(_Random.Next(16, (maxWaitInterval * 1000))).ContinueWith((parentTask) =>
{
//Copying devices to local array here to avoid threading issues/enumerator exceptions.
IEnumerable <SsdpDevice> devices = null;
lock (_Devices)
{
if (String.Compare(SsdpConstants.SsdpDiscoverAllSTHeader, searchTarget, StringComparison.OrdinalIgnoreCase) == 0)
{
devices = GetAllDevicesAsFlatEnumerable().ToArray();
}
else if (String.Compare(SsdpConstants.UpnpDeviceTypeRootDevice, searchTarget, StringComparison.OrdinalIgnoreCase) == 0 || (this.SupportPnpRootDevice && String.Compare(SsdpConstants.PnpDeviceTypeRootDevice, searchTarget, StringComparison.OrdinalIgnoreCase) == 0))
{
devices = _Devices.ToArray();
}
else if (searchTarget.Trim().StartsWith("uuid:", StringComparison.OrdinalIgnoreCase))
{
devices = (from device in GetAllDevicesAsFlatEnumerable() where String.Compare(device.Uuid, searchTarget.Substring(5), StringComparison.OrdinalIgnoreCase) == 0 select device).ToArray();
}
else if (searchTarget.StartsWith("urn:", StringComparison.OrdinalIgnoreCase))
{
devices = (from device in GetAllDevicesAsFlatEnumerable() where String.Compare(device.FullDeviceType, searchTarget, StringComparison.OrdinalIgnoreCase) == 0 select device).ToArray();
}
}
if (devices != null)
{
WriteTrace(String.Format("Sending {0} search responses", devices.Count()));
foreach (var device in devices)
{
SendDeviceSearchResponses(device, endPoint);
}
}
else
{
WriteTrace(String.Format("Sending 0 search responses."));
}
});
}
private void SendDeviceSearchResponses(SsdpDevice device, UdpEndPoint endPoint)
{
bool isRootDevice = (device as SsdpRootDevice) != null;
if (isRootDevice)
{
SendSearchResponse(SsdpConstants.UpnpDeviceTypeRootDevice, device, GetUsn(device.Udn, SsdpConstants.UpnpDeviceTypeRootDevice), endPoint);
if (this.SupportPnpRootDevice)
SendSearchResponse(SsdpConstants.PnpDeviceTypeRootDevice, device, GetUsn(device.Udn, SsdpConstants.PnpDeviceTypeRootDevice), endPoint);
}
SendSearchResponse(device.Udn, device, device.Udn, endPoint);
SendSearchResponse(device.FullDeviceType, device, GetUsn(device.Udn, device.FullDeviceType), endPoint);
}
private void ProcessSearchRequest(string mx, string searchTarget, UdpEndPoint endPoint)
{
if (String.IsNullOrEmpty(searchTarget))
{
_Log.LogWarning(String.Format("Invalid search request received From {0}, Target is null/empty.", endPoint.ToString()));
return;
}
_Log.LogInfo(String.Format("Search Request Received From {0}, Target = {1}", endPoint.ToString(), searchTarget));
if (IsDuplicateSearchRequest(searchTarget, endPoint))
{
Log.LogWarning("Search Request is Duplicate, ignoring.");
return;
}
//Wait on random interval up to MX, as per SSDP spec.
//Also, as per UPnP 1.1/SSDP spec ignore missing/bank MX header (strict mode only). If over 120, assume random value between 0 and 120.
//Using 16 as minimum as that's often the minimum system clock frequency anyway.
int maxWaitInterval = 0;
if (String.IsNullOrEmpty(mx))
{
//Windows Explorer is poorly behaved and doesn't supply an MX header value.
if (IsWindowsExplorerSupportEnabled)
{
mx = "1";
}
else
{
_Log.LogWarning("Search Request ignored due to missing MX header. Set StandardsMode to relaxed to respond to these requests.");
return;
}
}
if (!Int32.TryParse(mx, out maxWaitInterval) || maxWaitInterval <= 0)
{
return;
}
if (maxWaitInterval > 120)
{
maxWaitInterval = _Random.Next(0, 120);
}
//Do not block synchronously as that may tie up a threadpool thread for several seconds.
TaskEx.Delay(_Random.Next(16, (maxWaitInterval * 1000))).ContinueWith((parentTask) =>
{
//Copying devices to local array here to avoid threading issues/enumerator exceptions.
IEnumerable <SsdpDevice> devices = null;
devices = GetDevicesMatchingSearchTarget(searchTarget, devices);
if (devices != null)
{
SendSearchResponses(searchTarget, endPoint, devices);
}
else
{
_Log.LogWarning("Sending search responses for 0 devices (no matching targets).");
}
});
}
/// <summary>
/// Sends a message to a particular address (uni or multicast) and port.
/// </summary>
/// <param name="messageData">A byte array containing the data to send.</param>
/// <param name="destination">A <see cref="UdpEndPoint"/> representing the destination address for the data. Can be either a multicast or unicast destination.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="messageData"/> argument is null.</exception>
/// <exception cref="System.ObjectDisposedException">Thrown if the <see cref="DisposableManagedObjectBase.IsDisposed"/> property is true (because <seealso cref="DisposableManagedObjectBase.Dispose()" /> has been called previously).</exception>
public void SendMessage(byte[] messageData, UdpEndPoint destination)
{
if (messageData == null) throw new ArgumentNullException("messageData");
ThrowIfDisposed();
EnsureSendSocketCreated();
// SSDP spec recommends sending messages multiple times (not more than 3) to account for possible packet loss over UDP.
Repeat(SsdpConstants.UdpResendCount, TimeSpan.FromMilliseconds(100), () =>
{
SendMessageIfSocketNotDisposed(messageData, destination);
});
}
/// <summary>
/// Full constructor.
/// </summary>
/// <param name="message">The <see cref="HttpRequestMessage"/> that was received.</param>
/// <param name="receivedFrom">A <see cref="UdpEndPoint"/> representing the sender's address (sometimes used for replies).</param>
public RequestReceivedEventArgs(HttpRequestMessage message, UdpEndPoint receivedFrom)
{
_Message = message;
_ReceivedFrom = receivedFrom;
}
private void SendSearchResponse(string searchTarget, SsdpDevice device, string uniqueServiceName, UdpEndPoint endPoint)
{
var rootDevice = device.ToRootDevice();
var message = String.Format(DeviceSearchResponseMessageFormat,
CacheControlHeaderFromTimeSpan(rootDevice),
searchTarget,
uniqueServiceName,
rootDevice.Location,
_OSName,
_OSVersion,
ServerVersion,
DateTime.UtcNow.ToString("r")
);
_CommsServer.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), endPoint);
WriteTrace(String.Format("Sent search response to " + endPoint.ToString()), device);
}
private void SendMessageIfSocketNotDisposed(byte[] messageData, UdpEndPoint destination)
{
var socket = _SendSocket;
if (socket != null)
{
_SendSocket.SendTo(messageData, destination);
}
else
{
ThrowIfDisposed();
}
}
private void SendDeviceSearchResponses(SsdpDevice device, string searchTarget, UdpEndPoint endPoint)
{
//http://www.upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.0-20080424.pdf - page 21
//For ssdp:all - Respond 3+2d+k times for a root device with d embedded devices and s embedded services but only k distinct service types
//Root devices - Respond once (special handling when in related/Win Explorer support mode)
//Udn (uuid) - Response once
//Device type - response once
//Service type - respond once per service type
bool isRootDevice = (device as SsdpRootDevice) != null;
bool sendAll = searchTarget == SsdpConstants.SsdpDiscoverAllSTHeader;
bool sendRootDevices = searchTarget == SsdpConstants.UpnpDeviceTypeRootDevice || searchTarget == SsdpConstants.PnpDeviceTypeRootDevice;
if (isRootDevice && (sendAll || sendRootDevices))
{
SendSearchResponse(SsdpConstants.UpnpDeviceTypeRootDevice, device, GetUsn(device.Udn, SsdpConstants.UpnpDeviceTypeRootDevice), endPoint);
if (IsWindowsExplorerSupportEnabled)
{
SendSearchResponse(SsdpConstants.PnpDeviceTypeRootDevice, device, GetUsn(device.Udn, SsdpConstants.PnpDeviceTypeRootDevice), endPoint);
}
}
if (sendAll || searchTarget.StartsWith("uuid:", StringComparison.Ordinal))
{
SendSearchResponse(device.Udn, device, device.Udn, endPoint);
}
if (sendAll || searchTarget.Contains(":device:"))
{
SendSearchResponse(device.FullDeviceType, device, GetUsn(device.Udn, device.FullDeviceType), endPoint);
}
if (searchTarget == SsdpConstants.SsdpDiscoverAllSTHeader)
{
//Send 1 search response for each unique service type for all devices found
var serviceTypes =
(
from s
in device.Services
select s.FullServiceType
).Distinct().ToArray();
foreach (var st in serviceTypes)
{
SendServiceSearchResponses(device, st, endPoint);
}
}
}
/// <summary>
/// Full constructor.
/// </summary>
/// <param name="message">The <see cref="HttpRequestMessage"/> that was received.</param>
/// <param name="receivedFrom">A <see cref="UdpEndPoint"/> representing the sender's address (sometimes used for replies).</param>
public RequestReceivedEventArgs(HttpRequestMessage message, UdpEndPoint receivedFrom)
{
_Message = message;
_ReceivedFrom = receivedFrom;
}
private void SendSearchResponse(string searchTarget, SsdpDevice device, string uniqueServiceName, UdpEndPoint endPoint)
{
var rootDevice = device.ToRootDevice();
var additionalheaders = FormatCustomHeadersForResponse(device);
var message = String.Format(DeviceSearchResponseMessageFormat,
CacheControlHeaderFromTimeSpan(rootDevice),
searchTarget,
uniqueServiceName,
rootDevice.Location,
_OSName,
_OSVersion,
ServerVersion,
DateTime.UtcNow.ToString("r"),
additionalheaders
);
_CommsServer.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), endPoint);
LogDeviceEventVerbose(String.Format("Sent search response ({0}) to {1}", uniqueServiceName, endPoint.ToString()), device);
}
private void OnRequestReceived(HttpRequestMessage data, UdpEndPoint endPoint)
{
//SSDP specification says only * is currently used but other uri's might
//be implemented in the future and should be ignored unless understood.
//Section 4.2 - http://tools.ietf.org/html/draft-cai-ssdp-v1-03#page-11
if (data.RequestUri.ToString() != "*") return;
var handlers = this.RequestReceived;
if (handlers != null)
handlers(this, new RequestReceivedEventArgs(data, endPoint));
}
private void OnResponseReceived(HttpResponseMessage data, UdpEndPoint endPoint)
{
var handlers = this.ResponseReceived;
if (handlers != null)
handlers(this, new ResponseReceivedEventArgs(data, endPoint));
}
private void SendSearchResponse(string searchTarget, SsdpDevice device, string uniqueServiceName, UdpEndPoint endPoint)
{
if (device is SsdpHueBridgeDevice)
{
var hueDevice = device as SsdpHueBridgeDevice;
var messageHeader = String.Format(SsdpHueBridgeDevice.HUE_RESPONSE,
hueDevice.HttpServerIpAddress,
hueDevice.HttpServerPort,
hueDevice.HttpServerOptionalSubFolder,
hueDevice.HueBridgeId
);
var message1 = messageHeader + String.Format(SsdpHueBridgeDevice.HUE_ST1, hueDevice.HueUuid);
Debug.WriteLine("Sending packet 1: " + message1);
var message2 = messageHeader + String.Format(SsdpHueBridgeDevice.HUE_ST2, hueDevice.HueUuid);
Debug.WriteLine("Sending packet 2:" + message2);
var message3 = messageHeader + String.Format(SsdpHueBridgeDevice.HUE_ST3, hueDevice.HueUuid);
Debug.WriteLine("Sending packet 3: " + message3);
_CommsServer.SendMessage(Encoding.UTF8.GetBytes(message1), endPoint);
_CommsServer.SendMessage(Encoding.UTF8.GetBytes(message2), endPoint);
_CommsServer.SendMessage(Encoding.UTF8.GetBytes(message3), endPoint);
}
else
{
var rootDevice = device.ToRootDevice();
var additionalheaders = FormatCustomHeadersForResponse(device);
var message = String.Format(DeviceSearchResponseMessageFormat,
CacheControlHeaderFromTimeSpan(rootDevice),
searchTarget,
uniqueServiceName,
rootDevice.Location,
_OSName,
_OSVersion,
ServerVersion,
DateTime.UtcNow.ToString("r"),
additionalheaders
);
_CommsServer.SendMessage(System.Text.UTF8Encoding.UTF8.GetBytes(message), endPoint);
}
LogDeviceEventVerbose(String.Format("Sent search response ({0}) to {1}", uniqueServiceName, endPoint.ToString()), device);
}
