try binding again, backoff if failed

ServerWrapper_v0.1.0.py

@@ -212,7 +212,22 @@ class MinecraftServerBridge(socket_util):
     def socket_reset(self):
         super().socket_reset()
         LOG.info("Server Binding to " + self.host + " " + str(self.port))
-        self.soc.bind((self.host, self.port))
+        while True:
+            backoff = 1
+            try:
+                self.soc.bind((self.host, self.port))
+                break
+            except OSError as e:
+                if e.errno == 98:
+                    LOG.warning(
+                        "Unable to bind to port {}, trying again in {} seconds".format(
+                            self.port, backoff
+                        )
+                    )
+                    time.sleep(backoff)
+                    backoff *= 2
+                else:
+                    raise e
         LOG.info("Server Bound")
         self.soc.listen(1)
         LOG.info("Server listen to host")
@@ -355,7 +370,7 @@ def make_config(configfile, server=True):
 
 
 def main():
-    logging.basicConfig()
+    logging.basicConfig(level=logging.DEBUG)
 
     parser = argparse.ArgumentParser()
     mode_group = parser.add_mutually_exclusive_group(required=True)