private LogMetadata BuildResponseMetadata(LogMetadata logMetadata, HttpResponseMessage response)
{
logMetadata.ResponseStatusCode = (int)response.StatusCode;
logMetadata.ResponseTimestamp = DateTime.UtcNow.ToLongTimeString();
logMetadata.ResponseContentType = response.Content.Headers.ContentType.MediaType;
return(logMetadata);
}
private static LogMetadata BuildResponseMetadata(LogMetadata logMetadata, HttpResponseMessage response)
{
logMetadata.ResponseStatusCode = response.StatusCode;
logMetadata.ResponseTimestamp = DateTime.Now;
logMetadata.ResponseContentType = response.Content.Headers.ContentType.MediaType;
return(logMetadata);
}
private async Task <bool> SendToLog(LogMetadata logMetadata)
{
_dbContext.LogMetadata.Add(logMetadata);
await _dbContext.SaveChangesAsync();
return(true);
}
private async Task <bool> SendToLog(LogMetadata logMetadata)
{
//preferably use NLogger or something but it's much simpler this way to integrate w/o existing db, and task says to save logs to DB, not to file
_unitOfWork.Logs.Add(logMetadata);
await _unitOfWork.SaveAsync();
return(true);
}
private async Task <LogMetadata> BuildResponseMetadata(LogMetadata logMetadata, HttpResponseMessage response)
{
logMetadata.ResponseStatusCode = response.StatusCode;
logMetadata.ResponseTimestamp = DateTime.Now;
logMetadata.ResponseContentType = response.Content == null ? string.Empty : response.Content.Headers.ContentType.MediaType;
logMetadata.Response = await response.Content.ReadAsStringAsync();
return(logMetadata);
}
private LogMetadata BuildRequestMetadata(HttpRequestMessage request)
{
LogMetadata log = new LogMetadata
{
RequestMethod = request.Method.Method,
RequestTimestamp = DateTime.UtcNow.ToLongTimeString(),
RequestUri = request.RequestUri.ToString()
};
return(log);
}
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
LogMetadata logMetadata = BuildRequestMetadata(request);
Logger.TraceFormat("Initiated request: \"{0}\" {1}", logMetadata.Method, logMetadata.RequestUri);
HttpResponseMessage response = await base.SendAsync(request, cancellationToken);
logMetadata = BuildResponseMetadata(logMetadata, response);
Logger.TraceFormat("Completed request: {0} with status {1} {2}", logMetadata.ResponseUri, logMetadata.Scheme, (int)logMetadata.StatusCode);
return(response);
}
private static LogMetadata BuildRequestMetadata(HttpRequestMessage request)
{
var log = new LogMetadata
{
RequestMethod = request.Method.Method,
RequestTimestamp = DateTime.Now,
RequestUri = request.RequestUri.ToString()
};
return(log);
}
private async Task <bool> SendToLog(LogMetadata logMetadata)
{
try
{
//write your code
}
catch
{
return(false);
}
return(true);
}
private async Task <LogMetadata> BuildRequestMetadata(HttpRequestMessage request)
{
LogMetadata log = new LogMetadata
{
RequestMethod = request.Method.Method,
RequestTimestamp = DateTime.Now,
RequestUri = request.RequestUri.ToString(),
RequestContent = await request.Content.ReadAsStringAsync(),
};
return(log);
}
private LogMetadata BuildRequestMetadata(HttpRequestMessage request)
{
LogMetadata log = new LogMetadata
{
ClientIP = GetClientIp(request),
RequestMethod = request.Method.Method,
RequestTimestamp = DateTime.Now,
RequestUri = request.RequestUri.ToString()
};
return(log);
}
private LogMetadata BuildRequestMetadata(HttpRequestMessage request, HttpActionContext actionContext)
{
LogMetadata log = new LogMetadata()
{
Message = "Executing",
ActionMethod = actionContext.ActionDescriptor.ActionName,
RequestUri = request.RequestUri.AbsolutePath,
RequestMethod = request.Method.Method,
RequestTimestamp = DateTime.Now
};
return(log);
}
private LogMetadata BuildResponseMetadata(LogMetadata logMetadata, HttpResponseMessage response)
{
logMetadata.StatusCode = response.StatusCode;
logMetadata.ResponseTimestamp = DateTime.Now;
logMetadata.ResponseUri = response.RequestMessage.RequestUri.ToString();
logMetadata.Scheme = response.RequestMessage.RequestUri.Scheme.ToUpper();
MediaTypeHeaderValue contentType = response.Content.Headers.ContentType;
if (contentType != null)
{
logMetadata.ResponseContentType = contentType.MediaType;
}
return(logMetadata);
}
private LogMetadata BuildRequestMetadata(HttpRequestMessage request)
{
IEnumerable <String> referrerFullUri;
var data = new LogMetadata
{
RequestMethod = request.Method.Method,
RequestUri = request.RequestUri.ToString(),
RequestBody = MaskAttributes(request)
};
if (request.Headers.TryGetValues("ReferrerFullUri", out referrerFullUri))
{
data.ReferrerFullUri = referrerFullUri.FirstOrDefault();
}
return(data);
}
private async Task <bool> SendToLog(HttpRequestMessage request, HttpResponseMessage response,
DateTime requestTimestamp, DateTime responseTimestamp, CancellationToken cancellationToken)
{
var logEntry = new LogMetadata
{
RequestMethod = request.Method.Method,
RequestTimestamp = requestTimestamp,
RequestUri = request.RequestUri.ToString(),
ResponseStatusCode = response.StatusCode,
ResponseTimestamp = responseTimestamp,
ResponseContentType = response.Content?.Headers.ContentType.MediaType,
DurationMilliseconds = (responseTimestamp - requestTimestamp).TotalMilliseconds
};
await Task.Run(() => logger.Debug(logEntry.ToString()), cancellationToken);
return(true);
}
private LogMetadata BuildRequestMetadata(HttpRequestMessage request)
{
LogMetadata logMetadata = new LogMetadata
{
Method = request.Method.Method,
RequestTimestamp = DateTime.Now,
RequestUri = request.RequestUri.ToString(),
};
MediaTypeHeaderValue contentType = request.Content.Headers.ContentType;
if (contentType != null)
{
logMetadata.RequestContentType = contentType.MediaType;
}
return(logMetadata);
}
private LogMetadata BuildResponseMetadata(LogMetadata logMetadata, HttpResponseMessage response)
{
if (logMetadata.HasException)
{
logMetadata.Message = "Exception found!!!";
logMetadata.ResponseTimestamp = DateTime.Now;
}
else
{
logMetadata.Message = "Executed";
logMetadata.ResponseContentType = response.Content.Headers.ContentType.ToString();
logMetadata.ResponseStatusCode = response.StatusCode;
logMetadata.ResponseTimestamp = DateTime.Now;
}
return(logMetadata);
}
public Task <bool> SendLogData(LogMetadata logMetadata)
{
bool isDataPosted = false;
string command = string.Empty;
using (sqlConnection = new SqlConnection(connection))
{
command = "LogMetaDataProc";
sqlCommand = new SqlCommand(command, sqlConnection);
sqlCommand.CommandType = CommandType.StoredProcedure;
sqlCommand.Parameters.Add("@LogDetails", SqlDbType.Structured).Value = CreateDataTable(logMetadata);
sqlConnection.Open();
if (sqlCommand.ExecuteNonQuery() > 0)
{
isDataPosted = true;
}
}
return(Task.FromResult(isDataPosted));
}
public static async Task LogData(DataContext context, HttpRequest req, DateTime reqTimestamp, dynamic res)
{
DateTime responseTimestamp;
TimeSpan requestProcessingTime;
responseTimestamp = DateTime.UtcNow;
requestProcessingTime = responseTimestamp.Subtract(reqTimestamp);
LogMetadata log = new LogMetadata(
req.ContentType,
req.Path,
req.Method,
reqTimestamp,
res.StatusCode,
responseTimestamp,
$"{req.Path} was requested at {reqTimestamp} with {req.Method} method, request was processed in {requestProcessingTime.TotalMilliseconds} milliseconds, response status code {res.StatusCode}",
requestProcessingTime.TotalMilliseconds
);
context.Logs.Add(log);
await context.SaveChangesAsync();
}
public async Task InvokeAsync(HttpContext httpContext)
{
string severity = "INFO";
string message = "My Demo Message";
log = new LogMetadata();
var responseBodyStream = new MemoryStream();
var bodyStream = httpContext.Response.Body;
try
{
ReadRequestBody(httpContext);
httpContext.Response.Body = responseBodyStream;
await _next(httpContext);
}
catch (Exception ex)
{
severity = "Exception";
_logger.LogError($"Something went wrong (from Custom Middleware): {ex}");
await HandleExceptionAsync(httpContext, ex);
}
finally
{
responseBodyStream.Seek(0, SeekOrigin.Begin);
log.ResponseBody = new StreamReader(responseBodyStream).ReadToEnd();
log.ResponseTimestamp = DateTime.Now;
log.ResponseContentType = httpContext.Response.ContentType;
log.ResponseStatusCode = (HttpStatusCode)httpContext.Response.StatusCode;
responseBodyStream.Seek(0, SeekOrigin.Begin);
await responseBodyStream.CopyToAsync(bodyStream);
await SplunkManager.LogDataToSplunk(severity, message, log);
}
}
private async Task <bool> SendToLog(LogMetadata logMetadata)
{
// TODO: Write code here to store the logMetadata instance to a pre-configured log store...
return(true);
}
private async Task SendToLog(bool onExecuting, LogMetadata logMetadata)
{
Task task = null;
if (onExecuting)
{
task = Task.Factory.StartNew(() =>
{
logger.Debug("{0} {1} method" + Environment.NewLine + "Uri: {2}, Verb: {3}, Date: {4}",
logMetadata.Message, logMetadata.ActionMethod, logMetadata.RequestUri, logMetadata.RequestMethod, logMetadata.RequestTimestamp);
}
);
await task;
}
else
{
if (logMetadata.HasException)
{
task = Task.Factory.StartNew(() =>
{
/*logger.Error(string.Format(Environment.NewLine +
* "Exception: {0}" + Environment.NewLine +
* "Content Type: {1}" + Environment.NewLine +
* "Verb: {2}" + Environment.NewLine +
* "Status Code: {3}" + Environment.NewLine +
* "Date: {4}", logMetadata.Exception, logMetadata.RequestContentType,
* logMetadata.RequestMethod, logMetadata.ResponseStatusCode, logMetadata.ResponseTimestamp));*/
/*logger.Error(string.Format(Environment.NewLine + "{0}" +
* Environment.NewLine + "Exception: {1}" +
* Environment.NewLine + "Verb: {2}" +
* Environment.NewLine + "Status Code: {3}" +
* Environment.NewLine + "Date: {4}" + logMetadata.Message, logMetadata.Exception, logMetadata.RequestMethod, logMetadata.ResponseStatusCode));*/
logger.Error($@": {Environment.NewLine} {logMetadata.Message}
Exception: {logMetadata.Exception} {Environment.NewLine}
Verb: {logMetadata.RequestMethod} {Environment.NewLine}");
}
);
await task;
}
else
{
task = Task.Factory.StartNew(() =>
{
logger.Debug(string.Format(Environment.NewLine +
"Message: {0} {1}",
"Content Type: {2}" + Environment.NewLine +
"Verb: {3}" + Environment.NewLine +
"Status Code: {4}" + Environment.NewLine +
"Date: {5}", logMetadata.Message, logMetadata.ActionMethod,
logMetadata.RequestContentType, logMetadata.RequestMethod,
logMetadata.ResponseStatusCode, logMetadata.ResponseTimestamp));
}
);
await task;
}
}
}
