added first sql implemention

LedD/daemon.py

@@ -17,33 +17,64 @@
 import asyncore
 import socket
 import configparser
+import json
+import sqlite3
 
 
 class Daemon:
-
     daemonSection = 'daemon'
+    databaseSection = 'db'
 
     def __init__(self):
         config = configparser.ConfigParser()
         try:
             with open('ledd.config', 'w+') as f:
                 config.read_file(f)
-        except FileExistsError:
+        except FileNotFoundError:
             print("no config file found!")
 
+        sqldb = sqlite3.connect(config.get(self.databaseSection, 'name', fallback='ledd.sqlite'))
+
+        c = sqldb.cursor()
+        c.execute("SELECT db_version FROM meta")
+        db_version = c.fetchone()
+
+        if db_version:
+            print("DB connection established; version={}".format(db_version))
+        else:
+            with open("sql/ledd.sql", "r") as sqlfile:
+                c.executescript(sqlfile.read())
+                sqldb.commit()
+        c.close()
+
         server = self.SocketServer(config.get(self.daemonSection, 'host', fallback='0.0.0.0'),
                                    config.get(self.daemonSection, 'port', fallback=1425))
         asyncore.loop()
 
     class ConnectionHandler(asyncore.dispatcher_with_send):
-
         def handle_read(self):
-            data = self.recv(8192)
+            data = self.recv(5120)
             if data:
-                print(data)
+                try:
+                    json.dumps(data, sort_keys=True, indent=4, separators=(',', ': '))
+                    json_decoded = json.loads(data)
+
+                    if "action" in json_decoded:
+                        if json_decoded['action'] == "set_color":
+                            # TODO: add adapter setting stripe with color here
+                            print("recieved action: {}".format(json_decoded['action']))
+                        elif json_decoded['action'] == "add_controller":
+                            # TODO: add controller adding logic here
+                            print("recieved action: {}".format(json_decoded['action']))
+                        elif json_decoded['action'] == "get_color":
+                            # TODO: add stripe color get logic
+                            print("recieved action: {}".format(json_decoded['action']))
+                except TypeError:
+                    print("No JSON found!")
+                else:
+                    print("no action found, ignoring")
 
     class SocketServer(asyncore.dispatcher):
-
         def __init__(self, host, port):
             asyncore.dispatcher.__init__(self)
             self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -58,5 +89,6 @@ class Daemon:
                 print('Incoming connection from %s' % repr(addr))
                 handler = Daemon.ConnectionHandler(sock)
 
+
 if __name__ == "__main__":
     daemon = Daemon()

LedD/sql/ledd.sql

@@ -0,0 +1,22 @@
+CREATE TABLE `stripes` (
+	`id`	INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE,
+	`name`	TEXT,
+	`rgb`	INTEGER,
+	`controller_id`	INTEGER,
+	`channel_r`	INTEGER,
+	`channel_g`	INTEGER,
+	`channel_b`	INTEGER
+);
+CREATE TABLE "meta" (
+	`option`	TEXT,
+	`value`	TEXT
+);
+INSERT INTO `meta` VALUES ('db_version','1');
+CREATE TABLE "controller" (
+	`id`	INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE,
+	`address`	TEXT,
+	`i2c_device`	TEXT,
+	`channels`	INTEGER,
+	`pwm_freq`	INTEGER
+);
+COMMIT;