/// <summary>
/// 加载插件信息
/// </summary>
private void LoadExtendConfig()
{
if (!File.Exists("Services.config"))
{
return;
}
try
{
XDocument doc = XDocument.Load("Services.config");
XElement element = doc.Root.Element("ExtendAssemblys");
if (element != null)
{
foreach (var ae in element.Elements("Assembly"))
{
ExtendAssembly assembly = new ExtendAssembly();
ExtendAssemblys.Add(assembly);
assembly.Name = ae.Attribute("Name").Value;
assembly.FileName = ae.Attribute("FileName").Value;
assembly.IsEnabled = bool.Parse(ae.Attribute("IsEnabled").Value);
int type = int.Parse(ae.Attribute("Type").Value);
assembly.Type = (AssemblyType)type;
}
}
}
catch (Exception e)
{
logger.Fatal("读取外部程序集异常!", e);
}
}
/// <summary>
/// 停止插件运行
/// </summary>
/// <param name="assembly">要移除插件</param>
private void StopAssembly(ExtendAssembly assembly)
{
try
{
//关闭服务
foreach (ThreadServiceHost host in assembly.ServiceHosts)
{
host.Stop();
}
}
catch (Exception ex)
{
logger.Fatal(ex);
}
}
/// <summary>
/// 运行插件
/// </summary>
/// <param name="assembly">插件</param>
private void StartAssembly(ExtendAssembly assembly)
{
try
{
if (assembly.Type == AssemblyType.ServiceAssembly)
{
//将外部程序集载入
assembly.Assembly = System.Reflection.Assembly.LoadFrom(assembly.FileName);
//服务库初始化
foreach (Type type in assembly.Assembly.GetTypes())
{
System.Reflection.MethodInfo isCallbackServiceMethod = null;
System.Reflection.MethodInfo getName = null;
Object obj = null;
try
{
getName = type.GetMethod("GetName");
isCallbackServiceMethod = type.GetMethod("IsCallbackService");
if (getName != null)
{
obj = Activator.CreateInstance(type);
}
else
{
continue;
}
}
catch (Exception ex)
{
logger.Fatal("加载服务插件", ex);
continue;
}
string httpUri = "http://" + _ServerIP + ":" + _basicHttpPort.ToString() + "/" + type.Name;
string netTcpUri = "net.tcp://" + _ServerIP + ":" + _netTcpPort.ToString() + "/" + type.Name;
ServiceHost host = GetHost(type, new Uri[] { new Uri(httpUri), new Uri(netTcpUri) });
XmlDictionaryReaderQuotas quotas = new XmlDictionaryReaderQuotas()
{
MaxDepth = int.MaxValue,
MaxStringContentLength = int.MaxValue,
MaxArrayLength = int.MaxValue,
MaxBytesPerRead = int.MaxValue,
MaxNameTableCharCount = int.MaxValue
};
BasicHttpBinding basicHttpBinding = new BasicHttpBinding()
{
ReaderQuotas = quotas,
MaxReceivedMessageSize = int.MaxValue
};
NetTcpBinding netTcpBinding = new NetTcpBinding()
{
ReaderQuotas = quotas,
MaxBufferSize = int.MaxValue,
MaxBufferPoolSize = int.MaxValue,
MaxReceivedMessageSize = int.MaxValue,
PortSharingEnabled = true,
Security = new NetTcpSecurity {
Mode = SecurityMode.None
}
};
string name = getName.Invoke(obj, null) as string;
bool isCallbackService = (bool)isCallbackServiceMethod.Invoke(obj, null);
if (type.GetCustomAttributes(typeof(ServiceContractAttribute), true).Length > 0)
{
if (!isCallbackService)
{
host.AddServiceEndpoint(type, basicHttpBinding, "");
}
if (!_isBasicHttpOnly)
{
host.AddServiceEndpoint(type, netTcpBinding, "");
}
}
if (!assembly.ServiceHosts.Any(a => a.ServiceName == name))
{
assembly.ServiceHosts.Add(new ThreadServiceHost(name));
}
var threadServiceHost = assembly.ServiceHosts.Single(a => a.ServiceName == name);
if (!threadServiceHost.IsRunning)
{
threadServiceHost.Start(host);
}
if (isCallbackService)
{
type.GetMethod("StartListenClients").Invoke(null, null);
}
}
}
}
catch (Exception ex)
{
logger.Fatal(assembly.Name + " 启动异常\r\n", ex);
System.Windows.MessageBox.Show(assembly.Name + " 启动异常," + ex.Message, "提示");
}
}
