public object GetInstance(ServiceChannel channel, InvokeMethodDelegate invokeMethod, ServiceUser user)
{
if (channel.Provider.Mode == ServiceMode.Single)
{
return(GetInstance(channel, invokeMethod));
}
if (UserInstances[user].ContainsKey(channel.Provider))
{
return(UserInstances[user][channel.Provider]);
}
Type type;
try
{
type = Builder.GetInstanceType(channel.Provider.Instance, channel.Provider.Contract);
}
catch
{
return(null);
}
object instance = CreateInstance(channel, invokeMethod, type);
if (channel.Provider.Mode == ServiceMode.PreClient)
{
UserInstances[user].Add(channel.Provider, instance);
}
return(instance);
}
public object GetInstance(ServiceChannel channel, InvokeMethodDelegate invokeMethod)
{
if (GlobaInstances.ContainsKey(channel.Provider))
{
return(GlobaInstances[channel.Provider]);
}
Type type;
try
{
type = Builder.GetInstanceType(channel.Provider.Instance, channel.Provider.Contract);
}
catch
{
return(null);
}
object instance = CreateInstance(channel, invokeMethod, type);
if (instance == null)
{
return(null);
}
GlobaInstances.Add(channel.Provider, instance);
return(instance);
}
public ServiceContext GetContext(ServiceChannel channel)
{
if (!Contexts.ContainsKey(channel))
{
Contexts.Add(channel, new ServiceContext(this, channel));
}
return(Contexts[channel]);
}
public bool RegisterChannel(ServiceChannel channel)
{
if (Channels.ContainsKey(channel.Name.ToLower()))
{
return(false);
}
Channels.Add(channel.Name.ToLower(), channel);
return(true);
}
internal object CreateInstance(ServiceChannel channel)
{
Type type;
//try
//{
type = Builder.GetInstanceType(channel.Provider.Instance, channel.Provider.Contract);
//}
//catch
//{
// return null;
//}
InstanceProxy proxy = new InstanceProxy(channel, channel.Provider.ServerOperations.ToList(), InvokeMethod);
if (Unity.IsRegistered(type))
{
return(Unity.GetInstance(type));
}
foreach (var constructor in type.GetConstructors())
{
var parameters = constructor.GetParameters();
object[] parameterArray = new object[parameters.Length];
bool parameterSuccess = true;
parameterArray[0] = proxy;
for (int i = 1; i < parameters.Length; i++)
{
object obj = Unity.GetInstance(parameters[i].ParameterType);
if (obj == null)
{
parameterSuccess = false;
break;
}
parameterArray[i] = obj;
}
if (!parameterSuccess)
{
continue;
}
try
{
return(Activator.CreateInstance(type, parameterArray));
}
catch
{
}
}
return(null);
}
public void RegisterChannel(ServiceChannel channel)
{
if (Opened)
{
throw new InvalidOperationException("服务打开时不能注册服务频道。");
}
if (channel.Provider.Mode == ServiceMode.Client)
{
throw new NotSupportedException("服务器类型为客户端类型。");
}
if (!ChannelManager.RegisterChannel(channel))
{
throw new InvalidOperationException("服务频道名称重复。");
}
}
public ChannelFactory <T> GetChannelFactory <T>(ServiceChannel channel)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
if (channel.Provider.Mode != ServiceMode.Client)
{
throw new NotSupportedException("服务类型不是客户端类型。");
}
if (typeof(T) != channel.Provider.Contract)
{
throw new ArgumentException("T类型与服务契约类型不一样。");
}
if (!ChannelBuffer.ContainsKey(channel))
{
ChannelBuffer.Add(channel, new ChannelFactory <T>(this, channel));
}
return((ChannelFactory <T>)ChannelBuffer[channel]);
}
public ChannelFactory(ServiceClient client, ServiceChannel channel)
{
if (client == null)
{
throw new ArgumentNullException("client");
}
if (channel == null)
{
throw new ArgumentNullException("channel");
}
if (channel.Provider.Mode != ServiceMode.Client)
{
throw new NotSupportedException("服务类型不是客户端类型。");
}
Contract = typeof(T);
if (Contract != channel.Provider.Contract)
{
throw new ArgumentException("T类型与服务契约类型不一样。");
}
Client = client;
Channel = channel;
}
private object CreateInstance(ServiceChannel channel, InvokeMethodDelegate invokeMethod, Type type)
{
InstanceProxy proxy = new InstanceProxy(channel, channel.Provider.ClientOperations.ToList(), invokeMethod);
if (Unity.IsRegistered(type))
{
return(Unity.GetInstance(type));
}
foreach (var constructor in type.GetConstructors())
{
var parameters = constructor.GetParameters();
object[] parameterArray = new object[parameters.Length];
bool parameterSuccess = true;
parameterArray[0] = proxy;
for (int i = 1; i < parameters.Length; i++)
{
object obj = Unity.GetInstance(parameters[i].ParameterType);
if (obj == null)
{
parameterSuccess = false;
break;
}
parameterArray[i] = obj;
}
if (!parameterSuccess)
{
continue;
}
try
{
return(Activator.CreateInstance(type, parameterArray));
}
catch
{
}
}
return(null);
}
internal InstanceProxy(ServiceChannel channel, List <MethodInfo> methods, InvokeMethodDelegate invokeMethod)
{
Channel = channel;
Methods = methods;
InvokeMethod = invokeMethod;
}
public ServiceContext(ServiceUser user, ServiceChannel channel)
{
User = user;
Channel = channel;
Session = new ServiceSessionState();
}
public void ToChannelMethodInvoke(byte[] data, ServiceChannelManager channelManager, out ServiceChannel channel, out int methodIndex, out object[] args)
{
BinaryDataReader reader = new BinaryDataReader(data);
channel = channelManager[reader.ReadString()];
if (channel == null)
{
methodIndex = -1;
args = null;
return;
}
methodIndex = reader.ReadInt32();
if (methodIndex < 0 || methodIndex >= channel.Provider.ServerOperations.Count)
{
methodIndex = -1;
args = null;
return;
}
var method = channel.Provider.ServerOperations[methodIndex];
var parameter = method.GetParameters();
args = new object[reader.ReadByte()];
for (int i = 0; i < args.Length; i++)
{
args[i] = Formatter.Deserialize(parameter[i].ParameterType, reader.ReadBytes());
}
}
internal object InvokeMethod(ServiceChannel channel, MethodInfo method, object[] args)
{
return(InvokeMethod(channel.Name, method.Name, channel.Provider.ClientOperations.IndexOf(method), args, method.ReturnType));
}