minor cleanup, adds support for formatted prints

Adds license
Adds autoscroll feature to browser
2025-01-18 04:53:14 -08:00 · 2021-07-03 08:45:19 -07:00 · 2021-04-09 11:09:18 -07:00 · 2021-04-09 10:39:23 -07:00 · 2021-04-09 10:05:59 -07:00 · 2021-04-09 09:47:49 -07:00
5 changed files with 345 additions and 212 deletions
--- a/12
+++ b/12
@@ -0,0 +1,12 @@
+Copyright (C) 2019-2021 by Tai Groot <tai@taigrr.com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--- a/browser/browser.go
+++ b/browser/browser.go
@@ -0,0 +1,212 @@
+package browser
+
+import (
+	"html/template"
+	"net/http"
+	"strings"
+)
+
+func LogSocketViewHandler(w http.ResponseWriter, r *http.Request) {
+	wsResource := "ws://" + r.Host + r.URL.Path
+	wsResource = strings.TrimSuffix(wsResource, "/") + "/ws"
+	homeTemplate.Execute(w, wsResource)
+}
+
+var homeTemplate = template.Must(template.New("").Parse(`
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+</head>
+<body>
+<center>
+<input type="text" id="search" onkeyup="filterTable()" placeholder="Filter...">
+<input type="checkbox" id="shouldScroll" checked>Enable Autoscroll<br>
+<table id="logHeaders" style="text-align:left; width:80%;" >
+<tbody>
+<tr class="header">
+<th style="width:20%;">TimeStamp</th>
+<th style="width:5%;">Level</th>
+<th style="width:65%;">Output</th>
+<th style="width:10%;">Source</th>
+</tr>
+</tbody>
+</table>
+
+<div id="tableWrapper">
+<table id="logs" style="text-align:left; width:100%;" >
+<tbody id="tbodylogs">
+<tr class="header">
+<th style="width:20%;"></th>
+<th style="width:5%;"></th>
+<th style="width:65%;"></th>
+<th style="width:10%;"></th>
+</tr>
+
+</tbody>
+</table>
+</div>
+<br>
+<input class="button" type="button" id="download" value="Download Logs" style="background-color:#3f51b5;"/>
+<input class="button" type="button" id="delete" value="Delete Logs" style="background-color:#f44336"/>
+</center>
+</body>
+<footer>
+<style>
+#tableWrapper{
+	overflow-y: scroll;
+	display: flow-root;
+	width: 80%;
+	height: 80vh;
+}
+td,tr{
+	height: min-content;
+}
+.button{
+	display: inline-block;
+	width: 5vw;
+	height: 5vh;
+}
+</style>
+<script>  
+var logTable = document.getElementById("logs");
+var logTableB = document.getElementById("tbodylogs");
+var ws = null;
+var application = "demo-commit"
+var logs = [];
+function sleep(ms) {
+	return new Promise(resolve => setTimeout(resolve, ms));
+}
+function download(filename, text) {
+	var element = document.createElement('a');
+	element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
+	element.setAttribute('download', filename);
+	element.style.display = 'none';
+	document.body.appendChild(element);
+	element.click();
+	document.body.removeChild(element);
+}
+function openSocket() {
+	if (ws) {
+		return false;
+	}
+	ws = new WebSocket("{{.}}");
+	ws.onclose = async function(evt) {
+		ws = null;
+		while(ws == null){
+			openSocket()
+			await sleep(5000);
+		}
+	}
+	ws.onmessage = function(evt) {
+		var entry = JSON.parse(evt.data)
+		logs.push(entry)
+		var row = document.createElement('tr');
+		var ts = document.createElement('td');
+		var tst = document.createTextNode(entry.timestamp);
+		ts.appendChild(tst);
+		row.appendChild(ts);
+		var ts = document.createElement('td');
+		var tst = document.createTextNode(entry.level);
+		ts.appendChild(tst);
+		row.appendChild(ts);
+		var ts = document.createElement('td');
+		var tst = document.createTextNode(entry.output);
+		ts.appendChild(tst);
+		row.appendChild(ts);
+		var ts = document.createElement('td');
+		var tst = document.createTextNode(entry.file);
+		ts.appendChild(tst);
+		row.appendChild(ts);
+		var bg="";
+		switch(entry.level){
+		case "INFO":
+			bg="white";
+			break;
+		case "ERROR":
+			bg="#f44336";
+			break;
+		case "WARN":
+			bg="#fb8c00"
+			break;
+		case "TRACE":
+			bg="#E1F5FE"
+			break;
+		case "DEBUG":
+			bg="#B3E5FC"
+			break;
+		default:
+			bg="white"
+			break;
+		}
+		row.style.backgroundColor=bg
+		logTableB.append(row)
+		filterTable()
+	}
+	ws.onerror = function(evt) {
+		if (evt != null && evt.data != null){
+			// handle error here
+		}
+	}
+}
+function clearTable(){
+	if(!window.confirm("Are you sure you want to delete all logs?")){
+		return
+	}
+	logs = []
+
+	while (logTableB.childNodes.length > 1) {
+		logTableB.removeChild(logTableB.childNodes[1]);
+	}
+}
+function filterTable() {
+	var cols, input, filter, table, tr, td, i, txtValue, w;
+	input = document.getElementById("search");
+	filter = input.value;
+	table = logTableB;
+	tr = table.getElementsByTagName("tr");
+	for (i = 1; i < tr.length; i++) {
+		cols = tr[i].getElementsByTagName("td");
+		var visible = false;
+		for (w = 0; w < cols.length; w++){
+			if (!visible && cols[w]) {
+				td = cols[w]
+				txtValue = td.textContent || td.innerText;
+				if (txtValue.indexOf(filter) > -1) {
+					visible = true
+				} 
+			}
+		}
+		if(visible){
+
+			tr[i].style.display = "";
+		} else {
+
+			tr[i].style.display = "none";
+		}
+
+	}
+}
+function pageScroll() {
+	if (document.getElementById('shouldScroll').checked) {
+		document.getElementById('tableWrapper').scrollBy(0,10);
+
+	}
+	setTimeout(pageScroll,10);
+}
+
+document.getElementById("delete").addEventListener("click", function(){
+
+	clearTable()
+}, false);
+document.getElementById("download").addEventListener("click", function(){
+
+	download(application+'.json',JSON.stringify(logs));
+}, false);
+openSocket();
+pageScroll();
+</script>
+
+</footer>
+</html>
+`))
--- a/logger/logger.go
+++ b/logger/logger.go
@@ -10,16 +10,6 @@ import (
 	"time"
 )

-const (
-	LTrace Level = iota
-	LDebug
-	LInfo
-	LWarn
-	LError
-	LPanic
-	LFatal
-)
-
 var (
 	clients        []*Client
 	sliceTex       sync.Mutex
@@ -112,6 +102,10 @@ func createLog(e Entry) {
 	sliceTex.Unlock()
 }

+func SetLogLevel(level Level) {
+	stderrClient.LogLevel = level
+}
+
 // SetLogLevel set log level of logger
 func (c *Client) SetLogLevel(level Level) {
 	if !c.initialized {
@@ -138,9 +132,19 @@ func Trace(args ...interface{}) {
 		level:     LTrace,
 	}
 	createLog(e)
-	//	entry := logger.WithFields(logrus.Fields{})
-	//	entry.Data["file"] = fileInfo(2)
-	//	entry.Debug(args...)
+}
+
+// Formatted print for Trace
+func Tracef(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "TRACE",
+		level:     LTrace,
+	}
+	createLog(e)
 }

 // Debug prints out logs on debug level
@@ -154,7 +158,19 @@ func Debug(args ...interface{}) {
 		level:     LDebug,
 	}
 	createLog(e)
+}

+// Formatted print for Debug
+func Debugf(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "DEBUG",
+		level:     LDebug,
+	}
+	createLog(e)
 }

 // Info prints out logs on info level
@@ -170,6 +186,19 @@ func Info(args ...interface{}) {
 	createLog(e)
 }

+// Formatted print for Info
+func Infof(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "INFO",
+		level:     LInfo,
+	}
+	createLog(e)
+}
+
 // Warn prints out logs on warn level
 func Warn(args ...interface{}) {
 	output := fmt.Sprint(args...)
@@ -183,6 +212,19 @@ func Warn(args ...interface{}) {
 	createLog(e)
 }

+// Formatted print for Warn
+func Warnf(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "WARN",
+		level:     LWarn,
+	}
+	createLog(e)
+}
+
 // Error prints out logs on error level
 func Error(args ...interface{}) {
 	output := fmt.Sprint(args...)
@@ -196,6 +238,19 @@ func Error(args ...interface{}) {
 	createLog(e)
 }

+// Formatted print for error
+func Errorf(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "ERROR",
+		level:     LError,
+	}
+	createLog(e)
+}
+
 // Panic prints out logs on panic level
 func Panic(args ...interface{}) {
 	output := fmt.Sprint(args...)
@@ -219,6 +274,29 @@ func Panic(args ...interface{}) {
 	panic(errors.New(output))
 }

+// Formatted print for panic
+func Panicf(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "PANIC",
+		level:     LPanic,
+	}
+	createLog(e)
+	if len(args) >= 0 {
+		switch args[0].(type) {
+		case error:
+			panic(args[0])
+		default:
+			// falls through to default below
+		}
+	}
+	Flush()
+	panic(errors.New(output))
+}
+
 // Fatal prints out logs on fatal level
 func Fatal(args ...interface{}) {
 	output := fmt.Sprint(args...)
@@ -234,6 +312,21 @@ func Fatal(args ...interface{}) {
 	os.Exit(1)
 }

+// Formatted print for fatal
+func Fatalf(format string, args ...interface{}) {
+	output := fmt.Sprintf(format, args...)
+	e := Entry{
+		Timestamp: time.Now(),
+		Output:    output,
+		File:      fileInfo(2),
+		Level:     "FATAL",
+		level:     LFatal,
+	}
+	createLog(e)
+	Flush()
+	os.Exit(1)
+}
+
 // fileInfo for getting which line in which file
 func fileInfo(skip int) string {
 	_, file, line, ok := runtime.Caller(skip)
--- a/logger/structs.go
+++ b/logger/structs.go
@@ -5,6 +5,16 @@ import "time"
 type LogWriter chan Entry
 type Level int

+const (
+	LTrace Level = iota
+	LDebug
+	LInfo
+	LWarn
+	LError
+	LPanic
+	LFatal
+)
+
 type Client struct {
 	LogLevel    Level `json:"level"`
 	writer      LogWriter
--- a/main.go
+++ b/main.go
@@ -2,21 +2,16 @@ package main

 import (
 	"flag"
-	"html/template"
-	"log"
 	"net/http"
 	"time"

+	"github.com/taigrr/log-socket/browser"
 	"github.com/taigrr/log-socket/logger"
 	"github.com/taigrr/log-socket/ws"
 )

 var addr = flag.String("addr", "0.0.0.0:8080", "http service address")

-func home(w http.ResponseWriter, r *http.Request) {
-	homeTemplate.Execute(w, "ws://"+r.Host+"/logs")
-}
-
 func generateLogs() {
 	for {
 		logger.Info("This is an info log!")
@@ -24,204 +19,15 @@ func generateLogs() {
 		logger.Debug("This is a debug log!")
 		logger.Warn("This is a warn log!")
 		logger.Error("This is an error log!")
-		time.Sleep(10 * time.Second)
+		time.Sleep(2 * time.Second)
 	}
 }

 func main() {
 	defer logger.Flush()
 	flag.Parse()
-	http.HandleFunc("/logs", ws.LogSocketHandler)
-	http.HandleFunc("/", home)
+	http.HandleFunc("/ws", ws.LogSocketHandler)
+	http.HandleFunc("/", browser.LogSocketViewHandler)
 	go generateLogs()
-	log.Fatal(http.ListenAndServe(*addr, nil))
+	logger.Fatal(http.ListenAndServe(*addr, nil))
 }
-
-var homeTemplate = template.Must(template.New("").Parse(`
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-</head>
-<body>
-<center>
-<input type="text" id="search" onkeyup="filterTable()" placeholder="Filter...">
-<table id="logHeaders" style="text-align:left; width:80%;" >
-<tbody>
-<tr class="header">
-<th style="width:20%;">TimeStamp</th>
-<th style="width:5%;">Level</th>
-<th style="width:65%;">Output</th>
-<th style="width:10%;">Source</th>
-</tr>
-</tbody>
-</table>
-
-<div id="tableWrapper">
-<table id="logs" style="text-align:left; width:100%;" >
-<tbody id="tbodylogs">
-<tr class="header">
-<th style="width:20%;"></th>
-<th style="width:5%;"></th>
-<th style="width:65%;"></th>
-<th style="width:10%;"></th>
-</tr>
-
-</tbody>
-</table>
-</div>
-<br>
-<input class="button" type="button" id="download" value="Download Logs" style="background-color:#3f51b5;"/>
-<input class="button" type="button" id="delete" value="Delete Logs" style="background-color:#f44336"/>
-</center>
-</body>
-<footer>
-<style>
-#tableWrapper{
-	overflow-y: scroll;
-	display: flow-root;
-	width: 80%;
-	height: 80vh;
-}
-td,tr{
-	height: min-content;
-}
-.button{
-	display: inline-block;
-	width: 5vw;
-	height: 5vh;
-}
-</style>
-<script>  
-var logTable = document.getElementById("logs");
-var logTableB = document.getElementById("tbodylogs");
-var ws = null;
-var application = "demo-commit"
-var logs = [];
-function sleep(ms) {
-	return new Promise(resolve => setTimeout(resolve, ms));
-}
-function download(filename, text) {
-	var element = document.createElement('a');
-	element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
-	element.setAttribute('download', filename);
-	element.style.display = 'none';
-	document.body.appendChild(element);
-	element.click();
-	document.body.removeChild(element);
-}
-function openSocket() {
-	if (ws) {
-		return false;
-	}
-	ws = new WebSocket("{{.}}");
-	ws.onclose = async function(evt) {
-		ws = null;
-		while(ws == null){
-			openSocket()
-			await sleep(5000);
-		}
-	}
-	ws.onmessage = function(evt) {
-		var entry = JSON.parse(evt.data)
-		logs.push(entry)
-		var row = document.createElement('tr');
-		var ts = document.createElement('td');
-		var tst = document.createTextNode(entry.timestamp);
-		ts.appendChild(tst);
-		row.appendChild(ts);
-		var ts = document.createElement('td');
-		var tst = document.createTextNode(entry.level);
-		ts.appendChild(tst);
-		row.appendChild(ts);
-		var ts = document.createElement('td');
-		var tst = document.createTextNode(entry.output);
-		ts.appendChild(tst);
-		row.appendChild(ts);
-		var ts = document.createElement('td');
-		var tst = document.createTextNode(entry.file);
-		ts.appendChild(tst);
-		row.appendChild(ts);
-		var bg="";
-		switch(entry.level){
-		case "INFO":
-			bg="white";
-			break;
-		case "ERROR":
-			bg="#f44336";
-			break;
-		case "WARN":
-			bg="#fb8c00"
-			break;
-		case "TRACE":
-			bg="#E1F5FE"
-			break;
-		case "DEBUG":
-			bg="#B3E5FC"
-			break;
-		default:
-			bg="white"
-			break;
-		}
-		row.style.backgroundColor=bg
-		logTableB.append(row)
-		filterTable()
-	}
-	ws.onerror = function(evt) {
-		if (evt != null && evt.data != null){
-			// handle error here
-		}
-	}
-}
-function clearTable(){
-	if(!window.confirm("Are you sure you want to delete all logs?")){
-		return
-	}
-	logs = []
-
-	while (logTableB.childNodes.length > 1) {
-		logTableB.removeChild(logTableB.childNodes[1]);
-	}
-}
-function filterTable() {
-	var cols, input, filter, table, tr, td, i, txtValue, w;
-	input = document.getElementById("search");
-	filter = input.value;
-	table = logTableB;
-	tr = table.getElementsByTagName("tr");
-	for (i = 1; i < tr.length; i++) {
-		cols = tr[i].getElementsByTagName("td");
-		var visible = false;
-		for (w = 0; w < cols.length; w++){
-			if (!visible && cols[w]) {
-				td = cols[w]
-				txtValue = td.textContent || td.innerText;
-				if (txtValue.indexOf(filter) > -1) {
-					visible = true
-				} 
-			}
-		}
-		if(visible){
-
-			tr[i].style.display = "";
-		} else {
-
-			tr[i].style.display = "none";
-		}
-
-	}
-}
-document.getElementById("delete").addEventListener("click", function(){
-
-	clearTable()
-}, false);
-document.getElementById("download").addEventListener("click", function(){
-
-	download(application+'.json',JSON.stringify(logs));
-}, false);
-openSocket();
-</script>
-
-</footer>
-</html>
-`))
Author	SHA1	Message	Date
Tai Groot	a07d3a11df	minor cleanup, adds support for formatted prints	2021-07-03 08:45:19 -07:00
Tai Groot	5f18def7fa	Adds license	2021-04-09 11:09:18 -07:00
Tai Groot	2c7cf0494e	Adds autoscroll feature to browser	2021-04-09 10:39:23 -07:00
Tai Groot	b744f083dc	general refactoring	2021-04-09 10:05:59 -07:00
Tai Groot	1ea76f4ab1	breaks browser out into package	2021-04-09 09:47:49 -07:00
Tai Groot	2e01f23b30	Allow setting of stderr level	2021-04-09 09:40:25 -07:00