private string ValidateTrace(Downstream target, TraceResponse resp, string service, int level, string traceID, bool sampled, string baggage)
{
if (!EqualTraceIDs(traceID, resp.Span.TraceId))
{
return($"Trace ID mismatch in S{level}({service}): expected {traceID}, received {resp.Span.TraceId}");
}
if (baggage != resp.Span.Baggage)
{
return($"Baggage mismatch in S{level}({service}): expected {baggage}, received {resp.Span.Baggage}");
}
if (sampled != resp.Span.Sampled)
{
return($"Sampled mismatch in S{level}({service}): expected {sampled}, received {resp.Span.Sampled}");
}
if (target != null)
{
if (resp.Downstream == null)
{
return($"Missing downstream in S{level}({service})");
}
return(ValidateTrace(target.Downstream_, resp.Downstream, target.Host, level + 1, traceID, sampled, baggage));
}
if (resp.Downstream != null)
{
return($"Unexpected downstream in S{level}({service})");
}
return(null);
}
public async Task <TraceResponse> PrepareResponseAsync(Downstream downstream)
{
var response = new TraceResponse(ObserveSpan());
if (downstream != null)
{
var downstreamResponse = await CallDownstreamAsync(downstream);
response.Downstream = downstreamResponse;
}
return(response);
}
public TraceResponse Report([FromBody] TraceModel model, String token)
{
var builders = model?.Builders.Cast <ISpanBuilder>().ToArray();
//var builders = new ISpanBuilder[0];
if (model == null || model.AppId.IsNullOrEmpty() || builders == null || builders.Length == 0)
{
return(null);
}
var ip = HttpContext.GetUserHost();
if (ip.IsNullOrEmpty())
{
ip = ManageProvider.UserHost;
}
var set = Setting.Current;
// 新版验证方式，访问令牌
Data.App ap = null;
if (!token.IsNullOrEmpty() && token.Split(".").Length == 3)
{
ap = _service.DecodeToken(token, set);
if (ap == null || ap.Name != model.AppId)
{
throw new InvalidOperationException($"授权不匹配[{model.AppId}]!=[{ap.Name}]！");
}
}
Data.App.UpdateInfo(model, ip);
// 该应用的跟踪配置信息
var app = AppTracer.FindByName(model.AppId);
if (app == null)
{
app = new AppTracer
{
Name = model.AppId,
DisplayName = model.AppName,
Enable = set.AutoRegister,
};
app.Save();
}
// 校验应用
if (app == null || !app.Enable)
{
throw new Exception($"无效应用[{model.AppId}/{model.AppName}]");
}
// 插入数据
Task.Run(() => ProcessData(app, model, ip, builders));
// 构造响应
var rs = new TraceResponse
{
Period = app.Period,
MaxSamples = app.MaxSamples,
MaxErrors = app.MaxErrors,
Timeout = app.Timeout,
//Excludes = app.Excludes?.Split(",", ";"),
};
// 新版本才返回Excludes，老版本客户端在处理Excludes时有BUG，错误处理/
if (!model.Version.IsNullOrEmpty())
{
rs.Excludes = app.Excludes?.Split(",", ";");
}
return(rs);
}
public TraceResponse Report([FromBody] TraceModel model, String token)
{
var builders = model?.Builders;
if (model == null || model.AppId.IsNullOrEmpty())
{
return(null);
}
var ip = HttpContext.GetUserHost();
if (ip.IsNullOrEmpty())
{
ip = ManageProvider.UserHost;
}
var set = Setting.Current;
// 新版验证方式，访问令牌
App ap = null;
if (!token.IsNullOrEmpty() && token.Split(".").Length == 3)
{
ap = _service.DecodeToken(token, set);
//if (ap == null || ap.Name != model.AppId) throw new InvalidOperationException($"授权不匹配[{model.AppId}]!=[{ap?.Name}]！");
if (ap == null)
{
throw new InvalidOperationException($"授权不匹配[{model.AppId}]!=[{ap?.Name}]！");
}
}
App.UpdateInfo(model, ip);
var clientId = model.ClientId;
if (clientId.IsNullOrEmpty())
{
var(jwt, ex) = _service.DecodeToken(token, set.TokenSecret);
clientId = jwt?.Id;
}
AppOnline.UpdateOnline(ap, clientId, ip, token, model.Info);
// 该应用的追踪配置信息
var app = AppTracer.FindByName(model.AppId);
if (app == null)
{
app = new AppTracer
{
Name = model.AppId,
DisplayName = model.AppName,
Enable = set.AutoRegister,
};
app.Save();
}
// 校验应用
if (app == null || !app.Enable)
{
throw new Exception($"无效应用[{model.AppId}/{model.AppName}]");
}
// 插入数据
if (builders != null && builders.Length > 0)
{
Task.Run(() => ProcessData(app, model, ip, builders));
}
// 构造响应
var rs = new TraceResponse
{
Period = app.Period,
MaxSamples = app.MaxSamples,
MaxErrors = app.MaxErrors,
Timeout = app.Timeout,
//Excludes = app.Excludes?.Split(",", ";"),
};
// Vip客户端。高频次大样本采样，10秒100次，逗号分割，支持*模糊匹配
if (app.IsVip(model.ClientId))
{
rs.Period = 10;
rs.MaxSamples = 100;
}
// 新版本才返回Excludes，老版本客户端在处理Excludes时有BUG，错误处理/
if (!model.Version.IsNullOrEmpty())
{
rs.Excludes = app.Excludes?.Split(",", ";");
}
return(rs);
}
