progress bar for start session

coretk/coretk/coreclient.py

@@ -3,6 +3,7 @@ Incorporate grpc into python tkinter GUI
 """
 import logging
 import os
+import time
 
 from core.api.grpc import client, core_pb2
 from coretk.dialogs.sessions import SessionsDialog
@@ -280,6 +281,8 @@ class CoreClient:
             emane_config = {x: self.emane_config[x].value for x in self.emane_config}
         else:
             emane_config = None
+
+        start = time.time()
         response = self.client.start_session(
             self.session_id,
             nodes,
@@ -293,7 +296,9 @@ class CoreClient:
             service_configs,
             file_configs,
         )
+        process_time = time.time() - start
         logging.debug("start session(%s), result: %s", self.session_id, response.result)
+        self.app.statusbar.start_session_callback(process_time)
 
     def stop_session(self, session_id=None):
         if not session_id:

coretk/coretk/dialogs/nodeconfig.py

@@ -197,8 +197,9 @@ class NodeConfigDialog(Dialog):
         self.node.name = self.name.get()
         if NodeUtils.is_image_node(self.node.type):
             self.node.image = self.container_image.get()
-        if NodeUtils.is_container_node(self.node.type):
-            self.node.server = self.server.get()
+        server = self.server.get()
+        if NodeUtils.is_container_node(self.node.type) and server != "localhost":
+            self.node.server = server
 
         # update canvas node
         self.canvas_node.image = self.image

coretk/coretk/status.py

@@ -1,5 +1,4 @@
 "status bar"
-import time
 import tkinter as tk
 from tkinter import ttk
 
@@ -11,6 +10,7 @@ class StatusBar(ttk.Frame):
 
         self.status = None
         self.statusvar = tk.StringVar()
+        self.progress_bar = None
         self.zoom = None
         self.cpu_usage = None
         self.memory = None
@@ -19,26 +19,31 @@ class StatusBar(ttk.Frame):
         self.draw()
 
     def draw(self):
-        self.columnconfigure(0, weight=8)
-        self.columnconfigure(1, weight=1)
+        self.columnconfigure(0, weight=1)
+        self.columnconfigure(1, weight=7)
         self.columnconfigure(2, weight=1)
         self.columnconfigure(3, weight=1)
+        self.columnconfigure(4, weight=1)
+
+        self.progress_bar = ttk.Progressbar(
+            self, orient="horizontal", mode="indeterminate"
+        )
+        self.progress_bar.grid(row=0, column=0, sticky="nsew")
         self.status = ttk.Label(self, textvariable=self.statusvar)
         self.statusvar.set("status")
-        self.status.grid(row=0, column=0)
+        self.status.grid(row=0, column=1, sticky="nsew")
         self.zoom = ttk.Label(self, text="zoom")
-        self.zoom.grid(row=0, column=1)
+        self.zoom.grid(row=0, column=2)
         self.cpu_usage = ttk.Label(self, text="cpu usage")
-        self.cpu_usage.grid(row=0, column=2)
+        self.cpu_usage.grid(row=0, column=3)
         self.emulation_light = ttk.Label(self, text="emulation light")
-        self.emulation_light.grid(row=0, column=3)
+        self.emulation_light.grid(row=0, column=4)
 
-    def processing(self):
-        texts = ["Processing.", "Processing..", "Processing...", "Processing...."]
-        i = 0
-        while self.running:
-            self.statusvar.set(texts[i % 4])
-            self.master.update()
-            i = i + 1
-            time.sleep(0.002)
-        print("thread finish")
+    def start_session_callback(self, process_time):
+        num_nodes = len(self.app.core.canvas_nodes)
+        num_links = len(self.app.core.links)
+        self.progress_bar.stop()
+        self.statusvar.set(
+            "Network topology instantiated in %s seconds (%s node(s) and %s link(s))"
+            % ("%.3f" % process_time, num_nodes, num_links)
+        )

coretk/coretk/toolbar.py

@@ -1,4 +1,5 @@
 import logging
+import threading
 import time
 import tkinter as tk
 from functools import partial
@@ -196,25 +197,11 @@ class Toolbar(ttk.Frame):
 
         :return: nothing
         """
-        self.app.statusbar.running = True
-        # thread = threading.Thread(target=self.app.statusbar.processing)
-        # thread.start()
-        self.master.config(cursor="watch")
-        self.master.update()
+        self.app.statusbar.progress_bar.start(5)
         self.app.canvas.mode = GraphMode.SELECT
-        start = time.time()
-        self.app.core.start_session()
-        dur = time.time() - start
+        thread = threading.Thread(target=self.app.core.start_session)
+        thread.start()
         self.runtime_frame.tkraise()
-        self.master.config(cursor="")
-        nodes_num = len(self.app.core.canvas_nodes)
-        links_num = len(self.app.core.links)
-        self.app.statusbar.statusvar.set(
-            "Network topology instantiated in %s seconds (%s node(s) and %s link(s))"
-            % ("%.3f" % dur, nodes_num, links_num)
-        )
-        # self.app.statusbar.running = False
-        # print("done")
 
     def click_link(self):
         logging.debug("Click LINK button")
@@ -367,8 +354,6 @@ class Toolbar(ttk.Frame):
 
         :return: nothing
         """
-        logging.debug("Click on STOP button ")
-        # self.status_thread.join()
         start = time.time()
         self.app.core.stop_session()
         dur = time.time() - start