From 7b26e27c9dd244a47db2f867467ff23250b5eba5 Mon Sep 17 00:00:00 2001
From: Sven Czarnian <devel@svcz.de>
Date: Sun, 15 Aug 2021 08:59:32 +0200
Subject: [PATCH] introduce a configuration module

---
 aman/config/Configuration.py | 23 ++++++++++++++++++++
 aman/config/Server.py        | 41 ++++++++++++++++++++++++++++++++++++
 aman/config/__init__.py      |  0
 setup.py                     |  2 ++
 4 files changed, 66 insertions(+)
 create mode 100644 aman/config/Configuration.py
 create mode 100644 aman/config/Server.py
 create mode 100644 aman/config/__init__.py

diff --git a/aman/config/Configuration.py b/aman/config/Configuration.py
new file mode 100644
index 0000000..6ec85db
--- /dev/null
+++ b/aman/config/Configuration.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+import configparser
+import sys
+
+from aman.config.Server import Server
+
+class Configuration:
+    def __init__(self, filepath : str):
+        config = configparser.ConfigParser()
+        config.read(filepath)
+
+        # search the required sections
+        serverSectionAvailable = False
+        for key in config:
+            if 'SERVER' == key:
+                serverSectionAvailable = True
+
+        if not serverSectionAvailable:
+            sys.stderr.write('No server-configuration section found!')
+            sys.exit(-1)
+
+        self.Server = Server(config['SERVER'])
diff --git a/aman/config/Server.py b/aman/config/Server.py
new file mode 100644
index 0000000..b3216d0
--- /dev/null
+++ b/aman/config/Server.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+
+import configparser;
+import sys
+
+class Server():
+    def __init__(self, config : configparser.ConfigParser):
+        self.Address = None
+        self.PortReceiver = None
+        self.PortNotification = None
+        self.ServerKeyPath = None
+        self.ClientKeyPath = None
+
+        # search the required sections
+        for key in config:
+            if 'address' == key:
+                self.Address = config['address']
+            elif 'portreceiver' == key:
+                self.PortReceiver = int(config['portreceiver'])
+            elif 'portnotification' == key:
+                self.PortNotification = int(config['portnotification'])
+            elif 'serverkeypath' == key:
+                self.ServerKeyPath = config['serverkeypath']
+            elif 'clientkeypath' == key:
+                self.ClientKeyPath = config['clientkeypath']
+
+        if self.Address is None:
+            sys.stderr.write('No server-address configuration found!')
+            sys.exit(-1)
+        if self.PortReceiver is None:
+            sys.stderr.write('No server-port-receiver configuration found!')
+            sys.exit(-1)
+        if self.PortNotification is None:
+            sys.stderr.write('No server-port-notification configuration found!')
+            sys.exit(-1)
+        if self.ServerKeyPath is None:
+            sys.stderr.write('No server-key-path configuration found!')
+            sys.exit(-1)
+        if self.ClientKeyPath is None:
+            sys.stderr.write('No client-key-path configuration found!')
+            sys.exit(-1)
diff --git a/aman/config/__init__.py b/aman/config/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/setup.py b/setup.py
index 4d11cbb..9bc8328 100644
--- a/setup.py
+++ b/setup.py
@@ -61,6 +61,7 @@ setup(
     packages = [
         'aman',
         'aman.com',
+        'aman.config',
         'aman.tools'
     ],
     namespace_packages = [ 'aman' ],
@@ -73,6 +74,7 @@ setup(
     install_requires=[
         'argparse',
         'setuptools',
+        'configparser',
         'pyzmq',
         'protobuf'
     ]