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computer_glamour
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tcgui-mirror
同期ミラー https://github.com/tum-lkn/tcgui
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Benedikt Heß 10 年 前
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374d5bd4b4
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fee2cd47ab
3 ファイル変更、163 行追加、0 行削除
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  1. 12 0
      README.md
  2. 96 0
      main.py
  3. 55 0
      templates/main.html

+ 12 - 0
README.md
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+# Requirements
 
+
 
+- tested with ubuntu 16.04 LTS
 
+- netem is required
 
+    - install with `sudo apt-get install iproute`
 
+- more information: https://calomel.org/network_loss_emulation.html
 
+
 
+
 
+# Usage
 
+
 
+- Execute the main.py file and go to http://localhost:5000
 
+- The tool will read your interfaces and the current setup every time the site is reloaded

+ 96 - 0
main.py
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+import subprocess, os
 
+from flask import Flask, render_template, redirect, request, url_for
 
+
 
+
 
+app = Flask(__name__)
 
+
 
+
 
+@app.route("/")
 
+def main():
 
+    rules = get_active_rules()
 
+    return render_template('main.html', rules=rules)
 
+
 
+
 
+@app.route('/new_rule/<interface>', methods=['POST'])
 
+def new_rule(interface):
 
+    delay = request.form['Delay']
 
+    loss = request.form['Loss']
 
+    duplicate = request.form['Duplicate']
 
+    reorder = request.form['Reorder']
 
+    corrupt = request.form['Corrupt']
 
+
 
+    # remove old setup
 
+    command = 'tc qdisc del dev %s root netem' % interface
 
+    command = command.split(' ')
 
+    proc = subprocess.Popen(command)
 
+    proc.wait()
 
+
 
+    # apply new setup
 
+    command = 'tc qdisc add dev %s root netem' % interface
 
+    if delay != '':
 
+        command += ' delay %sms' % delay
 
+    if loss != '':
 
+        command += ' loss %s%%' % loss
 
+    if duplicate != '':
 
+        command += ' duplicate %s%%' % duplicate
 
+    if reorder != '':
 
+        command += ' reorder %s%%' % reorder
 
+    if corrupt != '':
 
+        command += ' corrupt %s%%' % corrupt
 
+    print(command)
 
+    command = command.split(' ')
 
+    proc = subprocess.Popen(command)
 
+    proc.wait()
 
+    return redirect(url_for('main'))
 
+
 
+
 
+@app.route('/remove_rule/<interface>', methods=['POST'])
 
+def remove_rule(interface):
 
+    # remove old setup
 
+    command = 'tc qdisc del dev %s root netem' % interface
 
+    command = command.split(' ')
 
+    proc = subprocess.Popen(command)
 
+    proc.wait()
 
+    return redirect(url_for('main'))
 
+
 
+def get_active_rules():
 
+    proc = subprocess.Popen(['tc', 'qdisc'], stdout=subprocess.PIPE)
 
+    output = proc.communicate()[0].decode()
 
+    lines = output.split('\n')[:-1]
 
+    rules = []
 
+    for line in lines:
 
+        arguments = line.split(' ')
 
+        rules.append(parse_rule(arguments))
 
+    return rules
 
+
 
+
 
+def parse_rule(splitted_rule):
 
+    rule = {'name':      None,
 
+            'delay':     None,
 
+            'loss':      None,
 
+            'duplicate': None,
 
+            'reorder':   None,
 
+            'corrupt':   None}
 
+    i = 0
 
+    for argument in splitted_rule:
 
+        if argument == 'dev':
 
+            rule['name'] = splitted_rule[i+1]
 
+        elif argument == 'delay':
 
+            rule['delay'] = splitted_rule[i + 1]
 
+        elif argument == 'loss':
 
+            rule['loss'] = splitted_rule[i + 1]
 
+        elif argument == 'duplicate':
 
+            rule['duplicate'] = splitted_rule[i + 1]
 
+        elif argument == 'reorder':
 
+            rule['reorder'] = splitted_rule[i + 1]
 
+        elif argument == 'corrupt':
 
+            rule['corrupt'] = splitted_rule[i + 1]
 
+        i += 1
 
+    return rule
 
+
 
+
 
+if __name__ == "__main__":
 
+    #if os.geteuid() != 0:
 
+    #    exit("You need to have root privileges to run this script.\nPlease try again, this time using 'sudo'. Exiting.")
 
+    app.debug = True
 
+    app.run()

+ 55 - 0
templates/main.html
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@@ -0,0 +1,55 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <title>DemoSetup</title>
 
+</head>
 
+<body>
 
+<h4>Available Interfaces</h4>
 
+<ul>
 
+    {% for rule in rules %}
 
+        <li>
 
+            {{ rule['name'] }}
 
+            <form method="POST" action="{{ url_for('new_rule', interface=rule['name']) }}">
 
+                <table border="1">
 
+                    <tr>
 
+                        <th>Name</th>
 
+                        <th>Current Value</th>
 
+                        <th>New Value</th>
 
+                    </tr>
 
+                    <tr>
 
+                        <td>Delay:</td>
 
+                        <td>{{ rule['delay'] }}</td>
 
+                        <td><input type="text" name="Delay" size="5"> in ms</td>
 
+                    </tr>
 
+                    <tr>
 
+                        <td>Loss:</td>
 
+                        <td>{{ rule['loss'] }}</td>
 
+                        <td><input type="text" name="Loss" size="5"> in %</td>
 
+                    </tr>
 
+                    <tr>
 
+                        <td>Duplicate:</td>
 
+                        <td>{{ rule['duplicate'] }}</td>
 
+                        <td><input type="text" name="Duplicate" size="5"> in %</td>
 
+                    </tr>
 
+                    <tr>
 
+                        <td>Reorder:</td>
 
+                        <td>{{ rule['reorder'] }}</td>
 
+                        <td><input type="text" name="Reorder" size="5"> in %</td>
 
+                    </tr>
 
+                    <tr>
 
+                        <td>Corrupt</td>
 
+                        <td>{{ rule['corrupt'] }}</td>
 
+                        <td><input type="text" name="Corrupt" size="5"> in %</td>
 
+                    </tr>
 
+                </table>
 
+                <input type="submit" value="Apply Rules">
 
+            </form>
 
+            <form method="POST" action="{{ url_for('remove_rule', interface= rule['name']) }}">
 
+                <input type="submit" value="Remove Rules">
 
+            </form>
 
+        </li>
 
+    {% endfor %}
 
+</ul>
 
+</body>
 
+</html>