/// <summary>
/// Called when [online annoncement].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.ServiceModel.Discovery.AnnouncementEventArgs"/> instance containing the event data.</param>
private void OnOnlineAnnoncement(object sender, AnnouncementEventArgs e)
{
var address = e.EndpointDiscoveryMetadata.Address;
Uri uri = address.Uri;
if (uri.AbsoluteUri.EndsWith("mex"))
{
return;
}
if (uri.Scheme == CHANNEL_TYPE_NAMEPIPE)
{
AddProxies(() => new NetNamedPipeBinding(), address);
}
else if (uri.Scheme != CHANNEL_TYPE_NAMEPIPE)
{
AddProxies(() => new NetTcpBinding(), address);
}
try
{
Ping();
}
#region Exception Handling
catch (Exception ex)
{
TraceSourceMonitorHelper.Warn("MonitorWcfDiscoveryProxy: ping faild, {0}", ex);
}
#endregion Exception Handling
}
void OnOnlineEvent(object sender, AnnouncementEventArgs e)
{
ListViewItem item = new ListViewItem(e.EndpointDiscoveryMetadata.Address.ToString());
lvDevices.Items.Add(item);
Console.WriteLine("Received an online announcement from {0}", e.EndpointDiscoveryMetadata.Address);
}
void UnregisterEndpoint(object obj, AnnouncementEventArgs e)
{
if (!PushQueueItem(e.MessageSequence))
{
return;
}
endpoints.Remove(e.EndpointDiscoveryMetadata);
}
private async void OnOnlineEvent(object sender, AnnouncementEventArgs e)
{
var state = (_serverAppService as ICommunicationObject).State;
if (state != CommunicationState.Opened && state != CommunicationState.Opening)
{
await Connect(e.EndpointDiscoveryMetadata.Address.Uri.ToString()).ConfigureAwait(false);
}
}
static void OnOnlineAnnouncementReceived(object sender, AnnouncementEventArgs e)
{
foreach (var wContractType in e.EndpointDiscoveryMetadata.ContractTypeNames)
{
if (_discoverers.TryGetValue(wContractType.Name, out var resolver))
{
resolver.OnServiceOnlineAnnouncementReceived(e.EndpointDiscoveryMetadata);
}
}
}
void OnHello(object sender, AnnouncementEventArgs args)
{
foreach (XmlQualifiedName contract in args.EndpointDiscoveryMetadata.ContractTypeNames)
{
if (contract.Name == typeof(T).Name && contract.Namespace == Namespace)
{
PublishNotificationEvent(OnHelloEvent, args.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri);
Dictionary[args.EndpointDiscoveryMetadata.Address] = args.EndpointDiscoveryMetadata.Scopes;
}
}
}
void RegisterEndpoint(object obj, AnnouncementEventArgs e)
{
if (!PushQueueItem(e.MessageSequence))
{
return;
}
var edm = e.EndpointDiscoveryMetadata;
Console.WriteLine("New endpoint: {0} {1} {2}", edm.Address, edm.ContractTypeNames.Count, edm.Scopes.Count);
endpoints.Add(e.EndpointDiscoveryMetadata);
}
private static void OnOfflineAnnouncement(object sender, AnnouncementEventArgs e)
{
Console.WriteLine("Bye!");
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
if (metadata != null && metadata.ListenUris.Count > 0 && metadata.ListenUris[0].Equals(endpointAddress.Uri))
{
Console.WriteLine("Service said goodbye!!");
endpointAddress = null;
hostedEndPoint = null;
}
}
/// <summary>
/// Called when [offline annoncement].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.ServiceModel.Discovery.AnnouncementEventArgs"/> instance containing the event data.</param>
private void OnOfflineAnnoncement(object sender, AnnouncementEventArgs e)
{
var address = e.EndpointDiscoveryMetadata.Address;
Uri uri = address.Uri;
if (uri.AbsoluteUri.EndsWith("mex"))
{
return;
}
Cleanup(uri.AbsolutePath);
}
private static void OnOfflineAnnouncement(object sender, AnnouncementEventArgs e)
{
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
if (metadata.ListenUris.Count > 0 && metadata.ListenUris[0].Equals(endpointAddress.Uri))
{
Console.WriteLine("Service said goodbye!!");
endpointAddress = null;
accelerationServiceEndPoint = null;
deviceInfoServiceEndPoint = null;
dataLoggingServiceEndPoint = null;
}
}
void OnBye(object sender, AnnouncementEventArgs args)
{
foreach (XmlQualifiedName contract in args.EndpointDiscoveryMetadata.ContractTypeNames)
{
if (contract.Name == typeof(T).Name && contract.Namespace == Namespace)
{
PublishNotificationEvent(OnByeEvent, args.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri);
Debug.Assert(Dictionary.ContainsKey(args.EndpointDiscoveryMetadata.Address));
Dictionary.Remove(args.EndpointDiscoveryMetadata.Address);
}
}
}
protected void OnHello(object sender, AnnouncementEventArgs args)
{
if (Dictionary.ContainsKey(args.EndpointDiscoveryMetadata.Address))
{
return;
}
foreach (XmlQualifiedName contract in args.EndpointDiscoveryMetadata.ContractTypeNames)
{
if (contract.Name == typeof(T).Name && contract.Namespace == Namespace)
{
Dictionary[args.EndpointDiscoveryMetadata.Address] = args.EndpointDiscoveryMetadata.Scopes.ToArray();
PublishAvailabilityEvent(OnlineAnnouncementReceived, args.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri, args.EndpointDiscoveryMetadata.Scopes.ToArray());
}
}
}
private void OnOfflineAnnouncement(object sender, AnnouncementEventArgs e)
{
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
FindCriteria criteria = new FindCriteria(typeof(T));
if (criteria.IsMatch(metadata))
{
// 指定类型的服务下线
if (cache.Contains(metadata.Address.Uri))
{
cache.Remove(metadata);
Console.WriteLine(string.Format(CultureInfo.InvariantCulture, "Announcement endpoint offline : {0} - {1}", metadata.GetSpecifiedName(), metadata.Address.Uri));
}
}
}
private static void OnOfflineAnnouncement(object sender, AnnouncementEventArgs e)
{
Console.WriteLine("Bye!");
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
if (metadata != null && metadata.ListenUris.Count > 0)
{
foreach (edu.teco.DPWS.Device device in knownDevices)
{
if (device.EndpointAddress.Uri.Equals(metadata.ListenUris[0]))
{
knownDevices.Remove(device);
Console.WriteLine("Device removed {0}:{1} at {2}", device.GetDeviceType().Namespace, device.GetDeviceType().Name, metadata.ListenUris[0]);
break;
}
}
}
}
private static void OnOnlineAnnouncement(object sender, AnnouncementEventArgs e)
{
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
// Check if service is SSimpDeviceType which is the Host service used
foreach (System.Xml.XmlQualifiedName type in metadata.ContractTypeNames)
{
if (type.Equals(new System.Xml.XmlQualifiedName("AccelerationDeviceType", "http://www.teco.edu/AccelerationService")))
{
Console.WriteLine("New service found: !!");
AnnouncementFound = true;
endpointAddress = new EndpointAddress(metadata.ListenUris[0]);
GetServiceEndPoints(endpointAddress);
Console.WriteLine("Service can now be invoked");
}
}
}
protected void OnBye(object sender, AnnouncementEventArgs args)
{
if (Dictionary.ContainsKey(args.EndpointDiscoveryMetadata.Address))
{
Dictionary.Remove(args.EndpointDiscoveryMetadata.Address);
}
foreach (XmlQualifiedName contract in args.EndpointDiscoveryMetadata.ContractTypeNames)
{
if (contract.Name == typeof(T).Name && contract.Namespace == Namespace)
{
PublishAvailabilityEvent(OfflineAnnouncementReceived, args.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri, args.EndpointDiscoveryMetadata.Scopes.ToArray());
if (Dictionary.ContainsKey(args.EndpointDiscoveryMetadata.Address) == false)
{
Trace.WriteLine("Received 'bye' announcement that did not have matching 'hello' first from address " + args.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri);
}
}
}
}
void OnOfflineEvent(object sender, AnnouncementEventArgs e)
{
string addr = e.EndpointDiscoveryMetadata.Address.ToString();
List <ListViewItem> items = new List <ListViewItem>();
foreach (ListViewItem item in lvDevices.Items)
{
if (item.Text == addr)
{
items.Add(item);
}
}
foreach (ListViewItem item in items)
{
lvDevices.Items.Remove(item);
}
Console.WriteLine("Received an offline announcement from {0}", e.EndpointDiscoveryMetadata.Address);
}
private static void OnOnlineAnnouncement(object sender, AnnouncementEventArgs e)
{
Console.WriteLine("Hello!");
EndpointDiscoveryMetadata metadata = e.EndpointDiscoveryMetadata;
// Check if service is SSimpDeviceType which is the Host service used
foreach (System.Xml.XmlQualifiedName type in metadata.ContractTypeNames)
{
foreach (System.Xml.XmlQualifiedName name in deviceTypes.Keys)
{
if (type.Equals(name))
{
Console.WriteLine("New device found: {0}:{1} at {2}", name.Namespace, name.Name, metadata.ListenUris[0]);
edu.teco.DPWS.Device device = (edu.teco.DPWS.Device)Activator.CreateInstance(deviceTypes[name]);
device.EndpointAddress = new EndpointAddress(metadata.ListenUris[0]);
GetMetaData(device);
device.Init();
knownDevices.Add(device);
Console.WriteLine("Service can now be invoked");
break;
}
}
}
}
static void OnOfflineEvent(object sender, AnnouncementEventArgs e)
{
Console.WriteLine();
Console.WriteLine("Received an offline announcement from {0}:", e.EndpointDiscoveryMetadata.Address);
PrintEndpointDiscoveryMetadata(e.EndpointDiscoveryMetadata);
}
static void OnlineAnnouncementReceived(object sender, AnnouncementEventArgs e)
{
CarRentalEndpoint = e.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri;
}
private void OnOnlineEvent(object sender, AnnouncementEventArgs e)
{
_availableEndpoints.Add(e.EndpointDiscoveryMetadata.Address);
AvailableEndpointsChanged?.Invoke(this, new EventArgs());
}
private static void AnnouncementSrvOfflineAnnouncementReceived(object sender, AnnouncementEventArgs args)
{
var uris = args?.EndpointDiscoveryMetadata?.ListenUris;
if (uris == null)
{
return;
}
foreach (var uri in uris)
{
if (uri != null)
{
RemoveDevice(uri.ToString());
}
}
}
private static void Announcement_srv_OnlineAnnouncementReceived(object sender, AnnouncementEventArgs args)
{
CheckDevice(args.EndpointDiscoveryMetadata);
}
void IServiceBusAnnouncements.OnHello(Uri address, string contractName, string contractNamespace, Uri[] scopes)
{
AnnouncementEventArgs args = DiscoveryHelper.CreateAnnouncementArgs(address, contractName, contractNamespace, scopes);
OnHello(this, args);
}
private async void OnOfflineEvent(object sender, AnnouncementEventArgs e)
{
SetState(ClientState.Initializing);
await Connect(e.EndpointDiscoveryMetadata.Address.Uri.ToString()).ConfigureAwait(false);
}
private static void AnnouncementService_OnlineAnnouncementReceived(object sender, AnnouncementEventArgs e)
{
Console.WriteLine("online");
Console.WriteLine(e.EndpointDiscoveryMetadata.Address.Uri);
Console.WriteLine(e.EndpointDiscoveryMetadata.ContractTypeNames[0].Name);
}
static void OfflineAnnouncementReceived(object sender, AnnouncementEventArgs e)
{
CarRentalEndpoint = "";
}
void m_DiscoveryClient_ProxyAvailable(object sender, AnnouncementEventArgs e)
{
DiscoveryManaged(e.EndpointDiscoveryMetadata.Address.Uri.AbsoluteUri);
}
static void announcementService_OnlineAnnouncementReceived(object sender, AnnouncementEventArgs e)
{
Console.WriteLine("Received Online Announcement from {0}", e.EndpointDiscoveryMetadata.Address);
}
