diff options
Diffstat (limited to 'RSSDP/SsdpDeviceLocator.cs')
| -rw-r--r-- | RSSDP/SsdpDeviceLocator.cs | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/RSSDP/SsdpDeviceLocator.cs b/RSSDP/SsdpDeviceLocator.cs index bfad6de97..188e298e2 100644 --- a/RSSDP/SsdpDeviceLocator.cs +++ b/RSSDP/SsdpDeviceLocator.cs @@ -97,6 +97,11 @@ namespace Rssdp.Infrastructure private async void OnBroadcastTimerCallback(object state) { + if (IsDisposed) + { + return; + } + StartListeningForNotifications(); RemoveExpiredDevicesFromCache(); @@ -180,8 +185,6 @@ namespace Rssdp.Infrastructure /// <exception cref="ObjectDisposedException">Throw if the <see cref="DisposableManagedObjectBase.IsDisposed"/> ty is true.</exception> public void StartListeningForNotifications() { - ThrowIfDisposed(); - _CommunicationsServer.RequestReceived -= CommsServer_RequestReceived; _CommunicationsServer.RequestReceived += CommsServer_RequestReceived; _CommunicationsServer.BeginListeningForBroadcasts(); @@ -208,7 +211,7 @@ namespace Rssdp.Infrastructure /// Raises the <see cref="DeviceAvailable"/> event. /// </summary> /// <seealso cref="DeviceAvailable"/> - protected virtual void OnDeviceAvailable(DiscoveredSsdpDevice device, bool isNewDevice, IPAddress localIpAddress) + protected virtual void OnDeviceAvailable(DiscoveredSsdpDevice device, bool isNewDevice, IPAddress IpAddress) { if (this.IsDisposed) { @@ -220,7 +223,7 @@ namespace Rssdp.Infrastructure { handlers(this, new DeviceAvailableEventArgs(device, isNewDevice) { - LocalIpAddress = localIpAddress + RemoteIpAddress = IpAddress }); } } @@ -286,7 +289,7 @@ namespace Rssdp.Infrastructure } } - private void AddOrUpdateDiscoveredDevice(DiscoveredSsdpDevice device, IPAddress localIpAddress) + private void AddOrUpdateDiscoveredDevice(DiscoveredSsdpDevice device, IPAddress IpAddress) { bool isNewDevice = false; lock (_Devices) @@ -304,17 +307,17 @@ namespace Rssdp.Infrastructure } } - DeviceFound(device, isNewDevice, localIpAddress); + DeviceFound(device, isNewDevice, IpAddress); } - private void DeviceFound(DiscoveredSsdpDevice device, bool isNewDevice, IPAddress localIpAddress) + private void DeviceFound(DiscoveredSsdpDevice device, bool isNewDevice, IPAddress IpAddress) { if (!NotificationTypeMatchesFilter(device)) { return; } - OnDeviceAvailable(device, isNewDevice, localIpAddress); + OnDeviceAvailable(device, isNewDevice, IpAddress); } private bool NotificationTypeMatchesFilter(DiscoveredSsdpDevice device) @@ -347,13 +350,13 @@ namespace Rssdp.Infrastructure return _CommunicationsServer.SendMulticastMessage(message, null, cancellationToken); } - private void ProcessSearchResponseMessage(HttpResponseMessage message, IPAddress localIpAddress) + private void ProcessSearchResponseMessage(HttpResponseMessage message, IPAddress IpAddress) { if (!message.IsSuccessStatusCode) { return; } - + var location = GetFirstHeaderUriValue("Location", message); if (location != null) { @@ -367,11 +370,11 @@ namespace Rssdp.Infrastructure ResponseHeaders = message.Headers }; - AddOrUpdateDiscoveredDevice(device, localIpAddress); + AddOrUpdateDiscoveredDevice(device, IpAddress); } } - private void ProcessNotificationMessage(HttpRequestMessage message, IPAddress localIpAddress) + private void ProcessNotificationMessage(HttpRequestMessage message, IPAddress IpAddress) { if (String.Compare(message.Method.Method, "Notify", StringComparison.OrdinalIgnoreCase) != 0) { @@ -381,7 +384,7 @@ namespace Rssdp.Infrastructure var notificationType = GetFirstHeaderStringValue("NTS", message); if (String.Compare(notificationType, SsdpConstants.SsdpKeepAliveNotification, StringComparison.OrdinalIgnoreCase) == 0) { - ProcessAliveNotification(message, localIpAddress); + ProcessAliveNotification(message, IpAddress); } else if (String.Compare(notificationType, SsdpConstants.SsdpByeByeNotification, StringComparison.OrdinalIgnoreCase) == 0) { @@ -389,7 +392,7 @@ namespace Rssdp.Infrastructure } } - private void ProcessAliveNotification(HttpRequestMessage message, IPAddress localIpAddress) + private void ProcessAliveNotification(HttpRequestMessage message, IPAddress IpAddress) { var location = GetFirstHeaderUriValue("Location", message); if (location != null) @@ -404,7 +407,7 @@ namespace Rssdp.Infrastructure ResponseHeaders = message.Headers }; - AddOrUpdateDiscoveredDevice(device, localIpAddress); + AddOrUpdateDiscoveredDevice(device, IpAddress); } } @@ -515,11 +518,6 @@ namespace Rssdp.Infrastructure private void RemoveExpiredDevicesFromCache() { - if (this.IsDisposed) - { - return; - } - DiscoveredSsdpDevice[] expiredDevices = null; lock (_Devices) { @@ -630,7 +628,7 @@ namespace Rssdp.Infrastructure private void CommsServer_RequestReceived(object sender, RequestReceivedEventArgs e) { - ProcessNotificationMessage(e.Message, e.LocalIpAddress); + ProcessNotificationMessage(e.Message, e.ReceivedFrom.Address); } } } |