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Questions tagged [logging]

Computer data logging is the process of recording events in a computer program, usually with a certain scope, in order to provide an audit trail that can be used to understand the activity of the system and to diagnose problems.

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5
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2answers
93 views

Logger class (C++)

I wrote a simple logger class for my project. Some key points: The interface is heavily inspired by Java's logging libraries (you can tell from the getters/setters that I'm a Java programmer). In ...
3
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1answer
44 views

Compile SASS files in a directory via Gulp.js tasks, one of which produces logging output

If the default task is executed here, the file name to be compiled is passed to the argument of the CompileSass function. When ...
5
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3answers
217 views

C++ logging class

I've created a simple C++ logging class. It outputs various loglevels, and adjusts output color accordingly. I'm interested in any tips to improve my coding style. I am especially concerned with my ...
8
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1answer
550 views

Minimal Python logging

I tend to include something like the following in small and medium-sized Python projects, either at the top of the executable or as logger.py: ...
4
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2answers
45 views

Simple timestamping filter in C

I wrote a simple timestamping filter that prepends each line with the UNIX timestamp in nanosecond precision as returned by clock_gettime, as well as the difference to the previous timestamp. ...
8
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1answer
385 views

Operation logger

GitHub, NuGet This component traces execution in a logical order instead of chronological as everybody else :) For example, the following code: ...
4
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3answers
359 views

Process queued data in the background

Currently I'm writing something like a messaging or logging framework (I'm not really sure how you name something like that). There are different servers which have to be notified if something happens....
4
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1answer
42 views

Optimizing away log function calls depending on global log level

I am a member of a university team designing a nanosatellite. We decided to implement our own (more lite) logging library to use, instead of, say, Google's glog, <...
2
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1answer
57 views

Asp.net web API Nlog implementation with UnhandledExceptionHandler

I have an asp.net web api. I would like to log errors into a file. So I decided to use NLog. I already have UnhandledExceptionHandler so I added NLog as follows. I removed all the try/catch in order ...
2
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0answers
29 views

Pattern for classes that provide logger objects

I need to log the activities of instances of a class. Code that uses the class should be able to disable the default class logger (which, by default, is initialized with a ...
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2answers
59 views

Filter for logging http request parameters

I have written a filter that intercepts http calls and logs request parameters. ...
2
votes
2answers
77 views

Logger adapter with a configurable chain of responsibility of middlewares

I use my own logger adapter that collects data into a dictionary: public class Log : Dictionary<string, object> { } This is really all I have. I then pass ...
3
votes
1answer
76 views

Deleting millions of logs in batches

I have a fast growing table with logs that I frequently have to delete (the server doesn't have much resources). It grows by at least two million entries every day. The database is a SQL Server 2012. ...
6
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2answers
75 views

Would log4j be more efficient to utilize than the logger I implemented (Code Below)?

I recently made a logger program implementation in my game engine. Which logs any thing that I send it in either a file or the System.out printstream. I use it like this: ...
3
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1answer
73 views

Powershell - Simplified Logging

Today I have dealt with logging in PowerShell as well as with the different streams and the pipeline. Unfortunately, none of these solutions really met my needs. My requirements are: I need to ...
4
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0answers
78 views

Type & Thread-safe Logger Implementation

So I had previously posted this question and asked for some feedback regarding my (now) header-only logging system and figured it would be a good time to go back to the changes I made it and see if it ...
3
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1answer
76 views

An asynchronous logger

I've written a simple asynchronous logger (playground): ...
11
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1answer
293 views

Simple log rotation script

I created a simple script that implements log rotation. It checks the log file size (say, out.log) if it exceeds 5MB limit. If it does then the script copies it to <...
4
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2answers
64 views

Python logging-module that writes to both the console and a file

I've created a small module with a function plog() that allows to easily print to both a log file and the console. It also creates a directory "log" at the location ...
28
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5answers
4k views

C++ logging library

I am creating a logging library in C++, and I wanted your opinion on code quality and performance within some methods. You may ask why yet another logger - the answer is simple. This logging library ...
5
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1answer
39 views

Analyzing a web access log to obtaining totals for requests

This program takes the filename as the input and outputs to a file the number of requests that were more than 1000 bytes and the total bytes. Log file example: ...
4
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1answer
63 views

Python log entry search utility

I wrote a small utility for searching our web app log files for certain strings. The idea is that if the search string is found somewhere in the entry, the entire entry should be printed. The ...
2
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1answer
2k views

ASP.NET Core Request / Response logging middleware

I am looking for feedbacks about my ASP.NET Core Request / Response logging middleware, in particular in ways to lower the memory footprint and string allocations: ...
4
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1answer
257 views

Logging with decorators (passing log file name as argument)

This is for some quantum mechanics software so there will be references to molecules/atoms etc but the core issue is a python logging one, unrelated to all that. I have a couple of logging decorators,...
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0answers
24 views

Refactor log4j2 properties file

I have the following log4j2.properties file: ...
2
votes
1answer
472 views

Include Serilog sink requiring dependency before dependency injection in .NET Core

Here is a rundown of the situation This is a .Net Core (2.1) application with a console and web front ends. For simplicity this question focuses only on the console end although the web end has the ...
3
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1answer
58 views

Downloading attachments from web app

Preface This is my first work script; normally I'm just mucking around in console or writing snippets. This script has a lot of firsts for me (configs, logging instead of print, try/except). ...
17
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4answers
1k views

Sensor logger for Raspberry Pi in a stratospheric probe

I'm writing a Python Script for a Raspberry Pi to measure different sensors. We are planning to send the Pi with that Script running to the stratosphere, so the power usage for the Pi is limited. I ...
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0answers
18 views

QTP/UFT Prints the time in takes to complete every task in a Log using VBScript

This script is meant to log the time it takes to complete functions in order to find the locations where performance could be improved in QTP. If a duplicate log is attempted, the script changes the ...
2
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0answers
75 views

Python logging setup for a package

I'm running a package that downloads data from the internet. This package makes logging calls from different modules. Suppose I have a package 'demopackage'. Here is how my logging is currently set ...
6
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3answers
4k views

Implementing a logging system in C++17

I've been programming for what is a probably a little bit and made a very simple logging system for my personal projects. While it works out fairly well so far, I would like advice on how to make it ...
2
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0answers
392 views

Typescript logger class

Looking for a critique of this simple logger class I'm working on in my transition to TypeScript. The purpose of the logging class is to just print to a console either info, warn or error messages. ...
4
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2answers
316 views

Reading SQL query from a resource, with error logging

I've created a utility class that expects a logger to be passed at a method level, since I prefer legitimate errors to be written out for troubleshooting later on. Another developer hates passing the ...
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1answer
72 views

Two approaches to Logging when Unit Testing with Python

Python allows logging to be used in several ways. Can you review the relative merits of these two approaches to Logging when Unit Testing with Python? Is one approach appropriate to specific ...
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1answer
87 views

Fluent interface for Logger

I was trying to wrap a Logback logger in order to provide some handy methods and already defined default keys of the logged json output and I came up with something like this. Do you spot any ...
4
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1answer
1k views

Error-Handling Class and Logging for VBA

I've been reusing an error class in Excel VBA projects for a few years now and I'd like to see if there are ways to improve it. Any suggestions for style, code, etc. are all welcome. The 2 ...
1
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1answer
272 views

Error-Handling Class and Logging

I am relatively new to C# and would like to see if what I have been using for my exception handling, message and logging is along industry standards. I have created a simple class for the Error ...
3
votes
0answers
34 views

Eassily create a logger in python for many modules with loglevel set according to command line arguments

I'm trying to learn writing python programs in a modular way as much as possible. One of the issues I've had difficulty to solve is parsing command line arguments (with ...
0
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1answer
46 views

Logging util with static lambda function

So again, I am a bit confused about some notes that i'am getting from my reviewer. I have some kind of utils, to print/prepare log messages. Yea, maybe I am a bit fanatic java 8 lambda guy but I think ...
5
votes
2answers
94 views

Encoding and decoding log entries in a Lossy Binary Format

One of the projects I'm working on requires logging a huge amount of information (basically, every function call). The problem is obviously that logging a lot of information has a few side-effects, ...
1
vote
1answer
1k views

Static wrapper class for log4net Logging - thread safety

I'm using log4net in my application and have a static Log class which creates an instance of ...
2
votes
2answers
100 views

Processing lines in an event log to trace the status of a job

We have an event file which I'm processing to get the status of a job (process), whereas a single job contains multiple fields which I want to segregate based on what I required, for example, "...
5
votes
1answer
173 views

F# Idiomatic Log4Net Wrapper

I put together a log4net wrapper that more closely resembles F#-idiomatic logging functions. The basic idea is that there's a Log module that defines a set of 8 ...
1
vote
0answers
165 views

Stored procedure that adds row-level auditing to a table

I'm looking for any suggestions on how to improve my T-SQL for this procedure. It works okay, but I'd like to get advice to improve it from more experienced SQL developers. This procedure adds 4 ...
4
votes
1answer
69 views

Simple server log backup script utilising AWS

I have server side log files written to various directories throughout the course of a week. I have the need to optionally compress, and archive these files to AWS. The script I have come up with ...
5
votes
2answers
982 views

Format log with a small macro logger

The goal of this code is to format any log to STDOUT and STDERR with the file and the line of where the call is made. I took ...
2
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1answer
2k views

Dynamically Change Logging Level of a Python Process

The intention of following code is to dynamically change the logging level of a running python process that has imported this module. ...
4
votes
1answer
275 views

Simple logger class in C# - Follow up

I've asked a question about this particular code before, although it was a little different back then. I took the suggestions from people who replied to my question and decided to post a follow up to ...
0
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1answer
619 views

Simple logger class in C#

I've been using logging libraries recently and somebody told me to try and write my own. I've kept it minimal but the only drawback is I can't log in static classes, due to TClass. Follow-up I'm ...
1
vote
0answers
57 views

Testable filesystem Writer for logging, with log rotation

I want to implement a custom Writer that allows the native go logger to do log rotation, and I also wanted to be able to write tests for it. The general idea was ...