private static void CreateHttpGetChannelDispatcher(ServiceHostBase host, Uri listenUri, MetadataSet metadata)
{
//创建Binding
TextMessageEncodingBindingElement messageEncodingElement = new TextMessageEncodingBindingElement() { MessageVersion = MessageVersion.None };
HttpTransportBindingElement transportElement = new HttpTransportBindingElement();
Utility.SetPropertyValue(transportElement, "Method", "GET");
Binding binding = new CustomBinding(messageEncodingElement, transportElement);
//创建ChannelListener
IChannelListener listener = binding.BuildChannelListener<IReplyChannel>(listenUri, string.Empty, ListenUriMode.Explicit, new BindingParameterCollection());
ChannelDispatcher dispatcher = new ChannelDispatcher(listener, "ServiceMetadataBehaviorHttpGetBinding", binding) { MessageVersion = binding.MessageVersion };
//创建EndpointDispatcher
EndpointDispatcher endpoint = new EndpointDispatcher(new EndpointAddress(listenUri), "IHttpGetMetadata", "http://www.artech.com/");
//创建DispatchOperation，并设置DispatchMessageFormatter和OperationInvoker
DispatchOperation operation = new DispatchOperation(endpoint.DispatchRuntime, "Get", "*", "*");
operation.Formatter = Utility.CreateInstance<IDispatchMessageFormatter>(MessageOperationFormatterType, Type.EmptyTypes, new object[0]);
MethodInfo method = typeof(IHttpGetMetadata).GetMethod("Get");
operation.Invoker = Utility.CreateInstance<IOperationInvoker>(SyncMethodInvokerType, new Type[] { typeof(MethodInfo) }, new object[] { method });
endpoint.DispatchRuntime.Operations.Add(operation);
//设置SingletonInstanceContext和InstanceContextProvider
MetadataProvisionService serviceInstance = new MetadataProvisionService(metadata);
endpoint.DispatchRuntime.SingletonInstanceContext = new InstanceContext(host, serviceInstance);
endpoint.DispatchRuntime.InstanceContextProvider = Utility.CreateInstance<IInstanceContextProvider>(SingletonInstanceContextProviderType, new Type[] { typeof(DispatchRuntime) }, new object[] { endpoint.DispatchRuntime });
dispatcher.Endpoints.Add(endpoint);
//设置ContractFilter和AddressFilter
endpoint.ContractFilter = new MatchAllMessageFilter();
endpoint.AddressFilter = new MatchAllMessageFilter();
host.ChannelDispatchers.Add(dispatcher);
}
private static void CustomizeMexEndpoints(ServiceDescription description, ServiceHostBase host, MetadataSet metadata)
{
foreach (ChannelDispatcher channelDispatcher in host.ChannelDispatchers)
{
foreach (EndpointDispatcher endpoint in channelDispatcher.Endpoints)
{
if (endpoint.ContractName == MexContractName && endpoint.ContractNamespace == MexContractNamespace)
{
DispatchRuntime dispatchRuntime = endpoint.DispatchRuntime;
dispatchRuntime.InstanceContextProvider = Utility.CreateInstance<IInstanceContextProvider>(SingletonInstanceContextProviderType, new Type[] { typeof(DispatchRuntime) }, new object[] { dispatchRuntime });
MetadataProvisionService serviceInstance = new MetadataProvisionService(metadata);
dispatchRuntime.SingletonInstanceContext = new InstanceContext(host, serviceInstance);
}
}
}
}
private static void CustomizeMexEndpoints(ServiceDescription description, ServiceHostBase host, MetadataSet metadata)
{
foreach (ChannelDispatcher channelDispatcher in host.ChannelDispatchers)
{
foreach (EndpointDispatcher endpoint in channelDispatcher.Endpoints)
{
if (endpoint.ContractName == MexContractName && endpoint.ContractNamespace == MexContractNamespace)
{
DispatchRuntime dispatchRuntime = endpoint.DispatchRuntime;
dispatchRuntime.InstanceContextProvider = Utility.CreateInstance <IInstanceContextProvider>(SingletonInstanceContextProviderType, new Type[] { typeof(DispatchRuntime) }, new object[] { dispatchRuntime });
MetadataProvisionService serviceInstance = new MetadataProvisionService(metadata);
dispatchRuntime.SingletonInstanceContext = new InstanceContext(host, serviceInstance);
}
}
}
}
private static void CreateHttpGetChannelDispatcher(ServiceHostBase host, Uri listenUri, MetadataSet metadata)
{
//创建Binding
TextMessageEncodingBindingElement messageEncodingElement = new TextMessageEncodingBindingElement()
{
MessageVersion = MessageVersion.None
};
HttpTransportBindingElement transportElement = new HttpTransportBindingElement();
Utility.SetPropertyValue(transportElement, "Method", "GET");
Binding binding = new CustomBinding(messageEncodingElement, transportElement);
//创建ChannelListener
IChannelListener listener = binding.BuildChannelListener <IReplyChannel>(listenUri, string.Empty, ListenUriMode.Explicit, new BindingParameterCollection());
ChannelDispatcher dispatcher = new ChannelDispatcher(listener, "ServiceMetadataBehaviorHttpGetBinding", binding)
{
MessageVersion = binding.MessageVersion
};
//创建EndpointDispatcher
EndpointDispatcher endpoint = new EndpointDispatcher(new EndpointAddress(listenUri), "IHttpGetMetadata", "http://www.artech.com/");
//创建DispatchOperation，并设置DispatchMessageFormatter和OperationInvoker
DispatchOperation operation = new DispatchOperation(endpoint.DispatchRuntime, "Get", "*", "*");
operation.Formatter = Utility.CreateInstance <IDispatchMessageFormatter>(MessageOperationFormatterType, Type.EmptyTypes, new object[0]);
MethodInfo method = typeof(IHttpGetMetadata).GetMethod("Get");
operation.Invoker = Utility.CreateInstance <IOperationInvoker>(SyncMethodInvokerType, new Type[] { typeof(MethodInfo) }, new object[] { method });
endpoint.DispatchRuntime.Operations.Add(operation);
//设置SingletonInstanceContext和InstanceContextProvider
MetadataProvisionService serviceInstance = new MetadataProvisionService(metadata);
endpoint.DispatchRuntime.SingletonInstanceContext = new InstanceContext(host, serviceInstance);
endpoint.DispatchRuntime.InstanceContextProvider = Utility.CreateInstance <IInstanceContextProvider>(SingletonInstanceContextProviderType, new Type[] { typeof(DispatchRuntime) }, new object[] { endpoint.DispatchRuntime });
dispatcher.Endpoints.Add(endpoint);
//设置ContractFilter和AddressFilter
endpoint.ContractFilter = new MatchAllMessageFilter();
endpoint.AddressFilter = new MatchAllMessageFilter();
host.ChannelDispatchers.Add(dispatcher);
}
