/// <summary>
/// 获取相应计数器
/// </summary>
/// <param name="traceInfo">跟踪信息</param>
/// <returns></returns>
public RequestCounter GetCounter(UrlTraceInfo traceInfo)
{
if (traceInfo == null)
throw new ArgumentNullException("traceInfo");
Range requestCostRange = Range.Empty;
Range responseSizeRange = Range.Empty;
if (traceInfo.TraceItems.RequestCost)
requestCostRange = RequestTagProvider.RequestCostRanges.First(r => traceInfo.RequestCost >= r.Lower && traceInfo.RequestCost < r.Upper);
if (traceInfo.TraceItems.ResponseSize)
responseSizeRange = RequestTagProvider.ResponseSizeRanges.First(r => traceInfo.ResponseSize >= r.Lower && traceInfo.ResponseSize < r.Upper);
string key = string.Concat(requestCostRange.Id, "|", responseSizeRange.Id);
RequestCounter counter;
countersLock.EnterReadLock();
counters.TryGetValue(key, out counter);
countersLock.ExitReadLock();
if (counter == null)
{
countersLock.EnterWriteLock();
counters.TryGetValue(key, out counter);
if (counter == null)
{
try
{
RequestTagInfo tagInfo = new RequestTagInfo();
tagInfo.RequestCostRange = requestCostRange;
tagInfo.ResponseSizeRange = responseSizeRange;
tagInfo.FullTags = new Dictionary<string, string>();
tagInfo.FullTags.Add("HostAddress", hostAddress);
tagInfo.FullTags.Add("FilePath", filePath);
if (tagInfo.RequestCostRange.Id != 0) tagInfo.FullTags.Add("Latency", tagInfo.RequestCostRange.Name);
if (tagInfo.ResponseSizeRange.Id != 0) tagInfo.FullTags.Add("ResponseSize", tagInfo.ResponseSizeRange.Name);
counter = new RequestCounter(tagInfo, this);
counters.Add(key, counter);
}
catch
{ }
finally
{
countersLock.ExitWriteLock();
}
}
else
{
countersLock.ExitWriteLock();
}
}
return counter;
}
/// <summary>
/// 创建 <see cref="UrlItem"/> 实例
/// </summary>
/// <param name="traceInfo">跟踪信息</param>
public UrlItem(UrlTraceInfo traceInfo)
{
if (traceInfo == null)
throw new ArgumentNullException("traceInfo");
hostAddress = traceInfo.HostAddress;
filePath = traceInfo.FilePath;
tags.Add(TagNames.HostAddress, hostAddress);
tags.Add(TagNames.FilePath, filePath);
}
/// <summary>
/// 注册
/// </summary>
/// <param name="traceInfo">跟踪信息</param>
public RequestCounter Register(UrlTraceInfo traceInfo)
{
if (traceInfo == null)
throw new ArgumentNullException("traceInfo");
string key = string.Concat(traceInfo.HostAddress, "|", traceInfo.FilePath);
UrlItem item;
cacheLock.EnterReadLock();
cache.TryGetValue(key, out item);
cacheLock.ExitReadLock();
if (item == null)
{
cacheLock.EnterWriteLock();
cache.TryGetValue(key, out item);
if (item == null)
{
try
{
item = new UrlItem(traceInfo);
cache.Add(key, item);
}
catch
{ }
finally
{
cacheLock.ExitWriteLock();
}
}
else
{
cacheLock.ExitWriteLock();
}
}
return item.GetCounter(traceInfo);
}
private static void WriteMetricInfo(UrlTraceInfo traceInfo)
{
if (traceInfo.TraceItems.Enabled)
{
try
{
var tags = new Dictionary<string, string>();
tags.Add("HostAddress", traceInfo.HostAddress);
tags.Add("FilePath", traceInfo.FilePath);
if (traceInfo.TraceItems.RequestCost)
requestCostMetric.Set(tags, traceInfo.RequestCost);
if (traceInfo.TraceItems.RequestSize)
requestSizeMetric.Set(tags, traceInfo.RequestSize);
tags.Add("Latency", traceInfo.TraceItems.RequestCost ? requestCountMetric.GetRequestCostRange(traceInfo.RequestCost) : null);
tags.Add("ResponseSize", traceInfo.TraceItems.ResponseSize ? requestCountMetric.GetResponseSizeRange(traceInfo.ResponseSize) : null);
requestCountMetric.Set(tags, 1);
}
catch
{ }
}
}
private static void WriteTraceInfo(UrlTraceInfo traceInfo)
{
var addInfo = new Dictionary<string, string>();
addInfo.Add("HostAddress", traceInfo.HostAddress);
addInfo.Add("AbsolutePath", traceInfo.FilePath);
addInfo.Add("cooperation_id", AppConst.CFX_CooperationID);
if (traceInfo.TraceItems.WSRequestInfo)
{
if (traceInfo.RequestType != null) addInfo.Add("RequestType", traceInfo.RequestType);
if (traceInfo.ClientAppId != null) addInfo.Add("ClientAppId", traceInfo.ClientAppId);
}
if (traceInfo.TraceItems.RequestSize) addInfo.Add("RequestSize", traceInfo.RequestSize.ToString());
if (traceInfo.TraceItems.ResponseStatus) addInfo.Add("ResponseStatus", traceInfo.ResponseStatus.ToString());
if (traceInfo.TraceItems.RequestCost) addInfo.Add("RequestCost", traceInfo.RequestCost.ToString());
if (traceInfo.TraceItems.ClientIP) addInfo.Add("ClientIP", traceInfo.ClientIP);
try
{
if (traceInfo.TraceItems.RawUrl)
tracer.Log(LogType.URL, LogLevel.INFO,traceInfo.HttpMethod, traceInfo.RawUrl, addInfo);
else
tracer.Log(LogType.URL, LogLevel.INFO, "", addInfo);
}
catch
{ }
}
public ResponseFilter(Stream sink, UrlTraceInfo context)
{
this.sink = sink;
this.context = context;
}
public static void AddUrlTrace(UrlTraceInfo info)
{
if (info == null) return;
if (info.FilePath.IndexOf("/.ashx") != -1) return;
try
{
Task.Factory.StartNew(() =>
{
lock (Obj)
{
try
{
AddInt(info.FilePath, ref Total);
if (info.ResponseStatus != 200)
{
AddInt(info.FilePath, ref Failures);
}
AddDouble(info.FilePath, info.RequestCost, ref Cost);
ConvertMax(info.FilePath, info.RequestCost, ref Max);
ConvertMin(info.FilePath, info.RequestCost, ref Min);
AddLong(info.FilePath, info.RequestSize, ref ReqSize);
}
catch { }
}
});
}
catch { }
}
public void ResponseFilter_Test()
{
StringBuilder s = new StringBuilder();
Stream stres = new MemoryStream();
UrlTraceInfo context = new UrlTraceInfo();
ResponseFilter filter = new ResponseFilter(stres, context);
string content = "this is a test";
byte[] buff = System.Text.Encoding.UTF8.GetBytes(content);
filter.Write(buff, 0, buff.Length);
byte[] buff1 = new byte[buff.Length];
filter.SetLength(buff.Length);
filter.Seek(0, SeekOrigin.Begin);
filter.Read(buff1, 0, buff.Length);
string content1 = System.Text.Encoding.UTF8.GetString(buff1);
Assert.IsTrue(filter.CanRead);
Assert.IsTrue(filter.CanSeek);
Assert.IsTrue(filter.CanWrite);
Assert.AreEqual(filter.Length, 0);
filter.Position = 0;
Assert.AreEqual(filter.Position, 0);
Assert.AreEqual(content, content1);
filter.Flush();
}
/// <summary>
/// 开始收集
/// </summary>
/// <param name="traceContext">跟踪上下文</param>
public static void StartCollect(UrlTraceContext traceContext)
{
if (traceContext.TraceSpan == null)
return;
var request = HttpContext.Current.Request;
var response = HttpContext.Current.Response;
UrlTraceInfo traceInfo = new UrlTraceInfo();
try
{
traceInfo.TraceItems = (UrlTraceItems)ConfigHelper.UrlTraceItems.Clone();
traceInfo.HostAddress = request.ServerVariables["Server_Name"].ToLower(); //主机域名或IP
//请求的目标服务方法
if (traceContext.TraceSpan.SpanType == SpanType.WEB_SERVICE && traceInfo.TraceItems.WSRequestInfo)
{
string requestType = request.Headers["Tracing-RequestType"];
if (requestType != null)
{
traceInfo.RequestType = requestType;
}
else
{
requestType = request.Headers["SOAPAction"];
if (requestType != null)
{
Match match = Regex.Match(requestType, "/?([^\"/]*)\"$", RegexOptions.Compiled);
if (match.Success && match.Groups.Count > 1)
traceInfo.RequestType = match.Groups[1].Value;
}
}
traceInfo.ClientAppId = request.Headers["ClientAppId"];
}
//请求内容大小
if (traceInfo.TraceItems.RequestSize)
{
long value;
if (long.TryParse(request.Headers["Content-Length"], out value))
traceInfo.RequestSize = value;
}
if (traceInfo.TraceItems.RawUrl)
{
traceInfo.RawUrl = request.RawUrl;
traceInfo.HttpMethod = request.HttpMethod;
}
if (traceInfo.TraceItems.ResponseSize)
response.Filter = new ResponseFilter(response.Filter, traceInfo); //响应内容大小
if (traceInfo.TraceItems.ClientIP)
traceInfo.ClientIP = IPHelper.GetClientIP(); //客户端IP
traceContext.TraceInfo = traceInfo;
}
catch
{ }
}