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);
}
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 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 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).");
}
});
}
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 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 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 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);
}