/// <summary>
/// 格式化追踪到的消息
/// </summary>
/// <param name="outputTarget">输出目标</param>
/// <param name="traceMessage">追踪的消息</param>
/// <returns></returns>
protected virtual string FormatTraceMessage(OutputTarget outputTarget, TraceMessage traceMessage)
{
if (outputTarget == OutputTarget.LoggerFactory)
{
return(traceMessage.ToExcludeException().ToString());
}
else
{
return(traceMessage.ToIndentedString(spaceCount: 4));
}
}
/// <summary>
/// 准备请求之前
/// </summary>
/// <param name="context">上下文</param>
/// <returns></returns>
public async override Task OnBeginRequestAsync(ApiActionContext context)
{
var message = new TraceMessage
{
RequestTime = DateTime.Now,
HasRequest = this.TraceRequest
};
if (this.TraceRequest == true)
{
var request = context.RequestMessage;
message.RequestHeaders = request.GetHeadersString();
if (request.Content != null)
{
message.RequestContent = await request.Content.ReadAsStringAsync().ConfigureAwait(false);
}
}
context.Tags.Set(tagKey, message);
}
/// <summary> /// 输出追踪到的消息 /// </summary> /// <param name="context">上下文</param> /// <param name="traceMessage">追踪的消息</param> /// <returns></returns> protected abstract Task LogTraceMessageAsync(ApiActionContext context, TraceMessage traceMessage);
/// <summary>
/// 写入LoggerFactory
/// </summary>
/// <param name="context">上下文</param>
/// <param name="categoryName">日志容器名称</param>
/// <param name="traceMessage">追踪的消息</param>
private void WriteLoggerFactory(ApiActionContext context, string categoryName, TraceMessage traceMessage)
{
var logging = context.HttpApiConfig.LoggerFactory;
if (logging == null)
{
return;
}
var logger = logging.CreateLogger(categoryName);
var message = this.FormatTraceMessage(OutputTarget.LoggerFactory, traceMessage);
if (traceMessage.Exception == null)
{
logger.LogInformation(this.EventId, message);
}
else
{
logger.LogError(this.EventId, traceMessage.Exception, message);
}
}
