Add system for displaying device warnings

rootfs/standard/var/www/mynode/device_info.py

@@ -12,6 +12,7 @@ import string
 # Globals
 local_ip = "unknown"
 cached_data = {}
+warning_data = {}
 
 #==================================
 # Utilities

rootfs/standard/var/www/mynode/device_warnings.py

@@ -0,0 +1,93 @@
+from device_info import *
+import os
+
+# Globals
+warning_data = {}
+
+#==================================
+# Warning Functions
+#==================================
+def init_warning_data():
+    global warning_data
+    if len(warning_data) != 0:
+        return
+
+    # Add undervoltage warning
+    undervoltage_warning = {}
+    undervoltage_warning["name"] = "undervoltage"
+    undervoltage_warning["header"] = "Device Undervoltage"
+    undervoltage_warning["description"] = "Your device has had an undervoltage warning. This typically means \
+                                           your power supply is going bad or is not powerful enough. This can \
+                                           lead to data corruption and loss of data."
+    warning_data[undervoltage_warning["name"]] = undervoltage_warning
+
+    # Add throttled warning
+    undervoltage_warning = {}
+    undervoltage_warning["name"] = "throttled"
+    undervoltage_warning["header"] = "Device CPU Throttled"
+    undervoltage_warning["description"] = "Your device has had a throttling warning. This typically means there is \
+                                           not enough power being supplied to run your device at full speed. Your \
+                                           device may run slowly. A new power supply may help."
+    warning_data[undervoltage_warning["name"]] = undervoltage_warning
+
+    # Add capped warning
+    undervoltage_warning = {}
+    undervoltage_warning["name"] = "capped"
+    undervoltage_warning["header"] = "Device CPU Capped"
+    undervoltage_warning["description"] = "Your device has had a capped warning. This typically means your device has \
+                                           gotten quite hot and slowed the CPU down to try and lower the temperature. \
+                                           This can make your device run slowly and reduce the device's lifetime."
+    warning_data[undervoltage_warning["name"]] = undervoltage_warning
+
+def is_warning_skipped(warning):
+    if os.path.isfile("/tmp/warning_skipped_{}".format(warning)):
+        return True
+    return False
+
+def skip_warning(warning):
+    global warning_data
+    init_warning_data()
+    os.system("touch /tmp/warning_skipped_{}".format(warning))
+
+def is_warning_present():
+    global warning_data
+    init_warning_data()
+
+    warning = get_current_warning()
+    if warning != "NONE":
+        return True
+    return False
+
+def get_current_warning():
+    global warning_data
+    init_warning_data()
+
+    # Gather data
+    throttled_data = get_throttled_data()
+
+    # Check for undervoltage warning
+    if not is_warning_skipped("undervoltage"):
+        if throttled_data["RAW_DATA"] != "MISSING" and throttled_data["HAS_UNDERVOLTED"]:
+            return "undervoltage"
+
+    # Check for throttled warning
+    if not is_warning_skipped("throttled"):
+        if throttled_data["RAW_DATA"] != "MISSING" and throttled_data["HAS_THROTTLED"]:
+            return "throttled"
+
+    # Check for capped warning
+    if not is_warning_skipped("capped"):
+        if throttled_data["RAW_DATA"] != "MISSING" and throttled_data["HAS_CAPPED"]:
+            return "capped"
+
+    # No warnings!
+    return "NONE"
+
+def get_warning_header(warning):
+    global warning_data
+    init_warning_data()
+    return warning_data[warning]["header"]
+def get_warning_description(warning):
+    global warning_data
+    init_warning_data()
+    return warning_data[warning]["description"]

rootfs/standard/var/www/mynode/mynode.py

@@ -22,6 +22,7 @@ from messages import get_message
 from thread_functions import *
 from datetime import timedelta
 from device_info import *
+from device_warnings import *
 import pam
 import json
 import random
@@ -193,6 +194,17 @@ def index():
             "ui_settings": read_ui_settings()
         }
         return render_template('state.html', **templateData)
+    elif is_warning_present():
+        warning = get_current_warning()
+        templateData = {
+            "title": "myNode Warning",
+            "header_text": "Warning",
+            "subheader_text": get_warning_header(warning),
+            "description_text": get_warning_description(warning),
+            "warning_name": warning,
+            "ui_settings": read_ui_settings()
+        }
+        return render_template('warning.html', **templateData)
     elif status == STATE_DRIVE_MISSING:
         # Drive may be getting repaired
         if is_drive_being_repaired():
@@ -670,6 +682,14 @@ def page_product_key():
 
         return "Error"
 
+@app.route("/ignore-warning")
+def page_ignore_warning():
+    check_logged_in()
+    if request.method == 'GET':
+        warning = request.args.get('warning')
+        skip_warning(warning)
+    return redirect("/")
+
 @app.route("/toggle-lndhub")
 def page_toggle_lndhub():
     check_logged_in()

rootfs/standard/var/www/mynode/static/css/mynode.css

@@ -68,6 +68,13 @@ a:active {
     font-family: Arial, Helvetica, sans-serif;
 }
 
+.state_warning {
+    color: #555555;
+    text-align: center;
+    font-size: 14px;
+    font-family: Arial, Helvetica, sans-serif;
+}
+
 .shutoff_warning {
     font-size: 12px;
 }
@@ -563,6 +570,29 @@ a:active {
     margin-top: 5px;
 }
 
+.warning_div {
+    width: 800px;
+    color: #444444;
+    margin: auto;
+    text-align: center;
+    font-size: 18px;
+    font-family: Arial, Helvetica, sans-serif;
+    margin-top: 10px;
+    margin-bottom: 40px;
+}
+.warning_button {
+    width: 500px;
+    margin-top: 5px;
+}
+.warning_divider {
+    width: 100%;
+    margin-top: 12px;
+    margin-bottom: 12px;
+    border-bottom: 3px dashed yellow;
+    margin-left: auto;
+    margin-right: auto;
+}
+
 #download-handle {
     width: 6em;
     height: 1.6em;

rootfs/standard/var/www/mynode/static/css/mynode_dark.css

@@ -21,6 +21,8 @@ a:active {
 .shutoff_warning,
 .main_header,
 .main_header_sub_text,
+.warning_div,
+.format_div,
 .app_title,
 .app_status,
 .app_contents,

rootfs/standard/var/www/mynode/templates/warning.html

@@ -0,0 +1,40 @@
+<!DOCTYPE html lang="en">
+    <head>
+        <title>{{ title }}</title>
+        {% include 'includes/head.html' %}
+        <meta http-equiv="refresh" content="30">
+
+        <script>
+            $(document).ready(function() {
+
+                $("#warning-continue").on("click", function() {
+                    window.location.href="/ignore-warning?warning={{warning_name}}"
+                });
+            });
+        </script>
+
+     </head>
+
+    <body>
+        {% include 'includes/logo_header.html' %}
+        
+        <div class="state_header">{{header_text}}</div>
+
+        <div class="warning_div">
+            <div class="warning_divider"></div>
+
+            <div class="state_subheader">{{ subheader_text }}</div>
+
+            <p>{{description_text}}</p>
+            <br/>
+            <div class="warning_divider"></div>
+            <br/>
+            <button id="warning-continue" value="Login" class="ui-button ui-widget ui-corner-all format_button">Continue</button>
+            
+            <br/><br/>
+        </div>
+
+        <div style="height: 40px;">&nbsp;</div>
+        {% include 'includes/footer.html' %}
+     </body>
+</html>