Add utils.

utils.py

@@ -0,0 +1,19 @@
+import socket
+
+from datetime import datetime
+from time import sleep
+
+
+def unix_time(dt):
+    epoch = datetime.utcfromtimestamp(0)
+    delta = dt - epoch
+    return delta.total_seconds()
+
+
+def netcat(hostname, port, content):
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.connect((hostname, port))
+    s.sendall(content)
+    sleep(0.005)
+    s.shutdown(socket.SHUT_WR)
+    s.close()