private void GetChannelAsyncInternal <TContract>(ContractInfo contract, EventHandler <ChannelEstablishedEventArgs> callback) where TContract : class
{
IProxyChannelManager <TContract> proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
lock (_proxyChannelManagerContainerLocker)
{
proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
proxyChannelManager = ProxyChannelManagerFactory.Create <TContract>(contract);
RegisterProxyChannelManager(proxyChannelManager, contract.Key);
}
}
}
SaveAsyncChannelEstablishedCallback(contract.Key, callback);
proxyChannelManager.GetChannelAsync();
}
private TContract GetChannelInternal <TContract>(ContractInfo contract) where TContract : class
{
// get the proxy channel manager by the specified contract type and key
IProxyChannelManager <TContract> proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
lock (_proxyChannelManagerContainerLocker)
{
// double check the channel manager value
proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
proxyChannelManager = ProxyChannelManagerFactory.Create <TContract>(contract);
RegisterProxyChannelManager(proxyChannelManager, contract.Key);
}
}
}
return(proxyChannelManager.GetChannel());
}
/// <summary>
/// 获取指定服务契约类型的所有通道连接
/// </summary>
/// <typeparam name="TContract">服务契约类型</typeparam>
/// <returns>指定服务契约类型的所有通道连接</returns>
public IList <TContract> GetChannels <TContract>() where TContract : class
{
List <TContract> list = new List <TContract>();
IList <ServiceEndpoint> endpoints = EndpointProvider.GetEndpoints <TContract>();
List <IProxyChannelManager <TContract> > channelManagerList = new List <IProxyChannelManager <TContract> >();
List <ServiceEndpoint> channelExistEndpoints = new List <ServiceEndpoint>();
List <object> proxyChannelManagers = new List <object>(_proxyChannelManagerContainer.Values);
foreach (var item in proxyChannelManagers)
{
if (item is ProxyChannelManager <TContract> )
{
IProxyChannelManager <TContract> channelManager = item as IProxyChannelManager <TContract>;
if (channelManager != null)
{
channelManagerList.Add(channelManager);
foreach (ServiceEndpoint endpoint in endpoints)
{
if (endpoint.Address.Uri.Host == channelManager.ContractInfo.HostName)
{
channelExistEndpoints.Add(endpoint);
break;
}
}
}
}
}
foreach (ServiceEndpoint endpoint in channelExistEndpoints)
{
endpoints.Remove(endpoint);
}
if (endpoints.Count > 0)
{
// create proxy channel manager for those endpoints who have not been created
foreach (ServiceEndpoint endpoint in endpoints)
{
ContractInfo contract = new ContractInfo(typeof(TContract), endpoint.Address.Uri.Host);
IProxyChannelManager <TContract> proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
lock (_proxyChannelManagerContainerLocker)
{
proxyChannelManager = GetProxyChannelManager <TContract>(contract.Key);
if (proxyChannelManager == null)
{
proxyChannelManager = ProxyChannelManagerFactory.Create <TContract>(contract);
RegisterProxyChannelManager(proxyChannelManager, contract.Key);
}
}
}
if (proxyChannelManager != null)
{
channelManagerList.Add(proxyChannelManager);
}
}
}
foreach (ProxyChannelManager <TContract> channelManager in channelManagerList)
{
list.Add(channelManager.GetChannel());
}
return(list);
}