/// <summary>
/// 调用方法
/// </summary>
/// <param name="args"></param>
public void Call(CallEventArgs args)
{
//计数按方法
var thisKey = string.Format("{0}${1}${2}${3}", args.Caller.AppName, args.Caller.ServiceName, args.Caller.MethodName, args.Caller.Parameters);
var callKey = IoCHelper.GetMD5String(thisKey);
lock (hashtable.SyncRoot)
{
if (!hashtable.ContainsKey(callKey))
{
var counterInfo = new CounterInfo
{
AppName = args.Caller.AppName,
ServiceName = args.Caller.ServiceName,
MethodName = args.Caller.MethodName,
Parameters = args.Caller.Parameters,
NeedReset = false,
Count = 1
};
hashtable[callKey] = counterInfo;
return;
}
}
var counter = hashtable[callKey] as CounterInfo;
if (counter.NeedReset)
{
//重置计数器
hashtable.Remove(callKey);
//如果调用次数超过最大允许数，则提示警告
if (counter.Count >= maxCount)
{
var warning = new WarningException(string.Format("【{0}】 One minute call service ({1}, {2}) {3} times more than {4} times.\r\nParameters => {5}",
counter.AppName, counter.ServiceName, counter.MethodName, counter.Count, maxCount, counter.Parameters));
//内部异常
var error = new IoCException(string.Format("【{0}】 One minute call service ({1}) {2} times.",
counter.AppName, counter.ServiceName, counter.Count), warning);
//抛出异常
args.Error = error;
}
}
else
{
//计数器加1
counter.Count++;
}
}
/// <summary>
/// 调用服务，并返回字符串
/// </summary>
/// <param name="name"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public string CallMethod(string name, string parameters)
{
if (callers.ContainsKey(name))
{
var caller = callers[name];
var message = new InvokeMessage
{
ServiceName = caller.Service.FullName,
MethodName = caller.Method.ToString(),
Parameters = parameters
};
string thisKey = string.Format("{0}${1}${2}", message.ServiceName, message.MethodName, message.Parameters);
var cacheKey = string.Format("HttpServiceCaller_{0}", IoCHelper.GetMD5String(thisKey));
var invokeData = CacheHelper.Get <InvokeData>(cacheKey);
if (invokeData == null)
{
//获取当前调用者信息
var appCaller = new AppCaller
{
AppPath = AppDomain.CurrentDomain.BaseDirectory,
AppName = "HttpServer",
HostName = DnsHelper.GetHostName(),
IPAddress = DnsHelper.GetIPAddress(),
ServiceName = message.ServiceName,
MethodName = message.MethodName,
Parameters = message.Parameters,
CallTime = DateTime.Now
};
//创建服务
var service = CreateService(appCaller);
//初始化上下文
SetOperationContext(appCaller);
try
{
//使用Invoke方式调用
var invoke = new InvokeCaller(appCaller.AppName, service);
invokeData = invoke.CallMethod(message);
//插入缓存
if (invokeData != null && caller.CacheTime > 0)
{
CacheHelper.Insert(cacheKey, invokeData, caller.CacheTime);
}
}
finally
{
//初始化上下文
OperationContext.Current = null;
}
}
//如果缓存不为null，则返回缓存数据
if (invokeData != null)
{
return(invokeData.Value);
}
}
return("null");
}
