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//
// EndpointDispatcher.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005-2006 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Reflection;
using System.ServiceModel.Description;
using System.ServiceModel.Channels;
using System.ServiceModel.Dispatcher;
using System.ServiceModel.Security.Tokens;
using System.Text;
namespace System.ServiceModel.Dispatcher
{
public class EndpointDispatcher
{
EndpointAddress address;
string contract_name, contract_ns;
ChannelDispatcher channel_dispatcher;
MessageFilter address_filter;
MessageFilter contract_filter;
int filter_priority;
DispatchRuntime dispatch_runtime;
// Umm, this API is ugly, since it or its members will
// anyways require ServiceEndpoint, those arguments are
// likely to be replaced by ServiceEndpoint (especially
// considering about possible EndpointAddress inconsistency).
public EndpointDispatcher (EndpointAddress address,
string contractName, string contractNamespace)
{
if (contractName == null)
throw new ArgumentNullException ("contractName");
if (contractNamespace == null)
throw new ArgumentNullException ("contractNamespace");
if (address == null)
throw new ArgumentNullException ("address");
this.address = address;
contract_name = contractName;
contract_ns = contractNamespace;
dispatch_runtime = new DispatchRuntime (this);
this.address_filter = new EndpointAddressMessageFilter (address);
}
public DispatchRuntime DispatchRuntime {
get { return dispatch_runtime; }
}
public string ContractName {
get { return contract_name; }
}
public string ContractNamespace {
get { return contract_ns; }
}
public ChannelDispatcher ChannelDispatcher {
get { return channel_dispatcher; }
internal set { channel_dispatcher = value; }
}
public MessageFilter AddressFilter {
get { return address_filter; }
set {
if (value == null)
throw new ArgumentNullException ("value");
address_filter = value;
}
}
public MessageFilter ContractFilter {
get { return contract_filter ?? (contract_filter = new MatchAllMessageFilter ()); }
set {
if (value == null)
throw new ArgumentNullException ("value");
contract_filter = value;
}
}
public EndpointAddress EndpointAddress {
get { return address; }
}
public int FilterPriority {
get { return filter_priority; }
set { filter_priority = value; }
}
internal void InitializeServiceEndpoint (bool isCallback, Type serviceType, ServiceEndpoint se)
{
this.ContractFilter = GetContractFilter (se.Contract);
this.DispatchRuntime.Type = serviceType;
//Build the dispatch operations
DispatchRuntime db = this.DispatchRuntime;
if (!isCallback && se.Contract.CallbackContractType != null) {
var ccd = ContractDescriptionGenerator.GetCallbackContract (db.Type, se.Contract.CallbackContractType);
db.CallbackClientRuntime = ccd.CreateClientRuntime ();
db.CallbackClientRuntime.CallbackClientType = ccd.ContractType;
}
foreach (OperationDescription od in se.Contract.Operations)
if (!db.Operations.Contains (od.Name))
PopulateDispatchOperation (db, od);
}
void PopulateDispatchOperation (DispatchRuntime db, OperationDescription od) {
string reqA = null, resA = null;
foreach (MessageDescription m in od.Messages) {
if (m.Direction == MessageDirection.Input)
reqA = m.Action;
else
resA = m.Action;
}
DispatchOperation o =
od.IsOneWay ?
new DispatchOperation (db, od.Name, reqA) :
new DispatchOperation (db, od.Name, reqA, resA);
bool no_serialized_reply = od.IsOneWay;
foreach (MessageDescription md in od.Messages) {
if (md.Direction == MessageDirection.Input &&
md.Body.Parts.Count == 1 &&
md.Body.Parts [0].Type == typeof (Message))
o.DeserializeRequest = false;
if (md.Direction == MessageDirection.Output &&
md.Body.ReturnValue != null) {
if (md.Body.ReturnValue.Type == typeof (Message))
o.SerializeReply = false;
else if (md.Body.ReturnValue.Type == typeof (void))
no_serialized_reply = true;
}
}
// Setup Invoker
o.Invoker = new DefaultOperationInvoker (od);
// Setup Formater
o.Formatter = BaseMessagesFormatter.Create (od);
if (o.Action == "*" && (o.IsOneWay || o.ReplyAction == "*")) {
//Signature : Message (Message)
// : void (Message)
//FIXME: void (IChannel)
if (!o.DeserializeRequest && (!o.SerializeReply || no_serialized_reply)) // what is this double-ish check for?
db.UnhandledDispatchOperation = o;
}
db.Operations.Add (o);
}
MessageFilter GetContractFilter (ContractDescription cd)
{
List<string> actions = new List<string> ();
foreach (var od in cd.Operations)
foreach (var md in od.Messages)
if (md.Direction == MessageDirection.Input)
if (md.Action == "*")
return new MatchAllMessageFilter ();
else
actions.Add (md.Action);
return new ActionMessageFilter (actions.ToArray ());
}
}
}
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