pinger | text file of IPs/hostnames to ping as an argument | Networking library
kandi X-RAY | pinger Summary
kandi X-RAY | pinger Summary
Takes a text file of IPs/hostnames to ping as an argument, and runs ping against all of them. Alternatively, uses cURL in the case of URLs. Runs timers for anything that is 'down'.
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QUESTION
I am using the paho.mqtt.golang library to connect to a broker and publish message.
It's working fine except that I don't have errors when the publish failed.
The test I'm doing is as follow:
- I start the broker
- I run my code to connect to the broker. After connection the code waits for an input to proceed to publish
- I kill the broker
- I press enter to proceed to publish the message
I would expect an error with the token returned by the publish function if token.Error() != nil {...} but I got none.
Here is the code of the publish function:
...ANSWER
Answered 2021-May-27 at 20:17From the docs:
QUESTION
I've configured a small cluster with just one primary/backup group. So far, failover and failback work as expected.
But as this configuration is susceptible to network-isolation problems and I don't think, the pinger approach heals this sufficiently, I would prefer the backup to just be there and receive updates, but not automatically do a failover when the primary is unreachable. Instead I want an intelligent human with better situational awareness to make the failover decision.
The decreased availability introduced by such a procedure is acceptable for us.
I've tried to get the backup to act this way (arbitrarily delaying failover) by using the following ha-policy > replication > slave parameters:
quorum-sizequorum-vote-waitvote-retriesvote-retry-wait
but had no success so far.
Is it possible to somehow delay the automatic failover arbitrarily, and trigger the actual failover by changing the broker.xml?
...ANSWER
Answered 2021-Apr-27 at 15:48ActiveMQ Artemis doesn't implement the functionality you're looking for - at least not in any automated way. I expect you could arbitrarily delay failover by setting quorum-size to something larger than the actual size of the cluster. However, there is no management operation to tell the backup broker to activate and become live. The only way you could do that would be to stop the broker, change the ha-policy to be a master and then restart the broker.
QUESTION
I have Pinger Application written in C# and I want to ping all servers from this .txt file
Here is my code:
...ANSWER
Answered 2021-Apr-18 at 09:20You can use File.ReadAllLines to read all the text inside a file and loop through the lines.
So, this should solve your problem:
QUESTION
I am trying to call function sleep from my Utils as the below code:
...ANSWER
Answered 2021-Apr-13 at 12:34The problem here is that Kotlin doesn't have static methods at all. So calling Utils.sleep(...) isn't a valid approach.
Instead Kotlin has objects, which are treated and instantiated as singletons. Therefore when calling from Java you need the extra step of retrieving the singleton instance which Kotlin exposes as INSTANCE. So something like this:
QUESTION
I am creating a small batch file to automate some networking troubleshooting commands we use on a daily basis.
I have created a simple menu, but when I try to run a loop command it errors out and won't complete the loop. Option 1 (SURVEY) runs fine, but the PINGER section just kills the command prompt without doing anything.
...ANSWER
Answered 2021-Apr-12 at 11:56There are two main issues with your script.
You are using the wrong command
SET /Pfor user input of a known list of menu entries. You should be using theCHOICEutility. Open a Command Prompt window typechoice /?and press the ENTER key to see its usage information.You have not read the help information for the
FORcommand,for /?, which specifically statesTo use the FOR command in a batch program, specify %%variable instead of %variable.
Here therefore is an improved rewrite of everything you included in your submitted batch-file:
QUESTION
Some days ago, I programmed a Discord bot with a count game. Someone has to send 1, then someone else had to say 2 and so on. When someone said a number twice, or said the wrong number, the game started all over again. When someone says the wrong number, the bot returns what the number had to be.
However, I noticed something was wrong. Some people said the following number, but it appeared the array was resetted. The bot returned the following number to be 1. It already happened a lot of times.
The code:
...ANSWER
Answered 2021-Mar-13 at 19:40I found my solution. Something other files in my server caused a restart, so the array reset itself. After solving those files, my server did not cause any crash so the counting continues.
Also, I found that a better approach would be to use a .json file instead. So when the server has to restart, the progress will stay saved.
QUESTION
For around 8 hours now already I am trying to find a way so that I can receive all devices which are in the same network as I am. I've already found a few ways to do this, but all of them boil down to ping all IPs in the network. That wouldn't be a big problem if Unity allowed multithreading. Due to the fact that it does not / basically only allows IEnumerator I have the problem that I have to execute each ping after another which needs alot of time in which you cant even use the GUI.
My Current Code looks like this:
...ANSWER
Answered 2021-Feb-19 at 08:26I have found a way with threads. I actually thought one should not use threads in Unity but it seems to just not use Unity Operations outside of the main Thread, mean others are allowed. Anyways here is my Code:
QUESTION
I need help with a discord counting bot. Whatever server it is in, it has the same counter number. what I mean is that they are all paired and do the same count instead of it being server by server.
Here is the main part (not all of it), I just need to learn to have the servers separate from one another:
...ANSWER
Answered 2021-Feb-13 at 22:33I'm not sure what this counting bot is or how you store your data. However, you can get the server id from the message by accessing message.guild.id. It means that you can check this id before you do anything to the server's "count".
You can use an object with the server ids as its keys like this:
QUESTION
Console.Write(currentDirectory + ">");
string commandinput = Console.ReadLine();
string userinput = commandinput.ToLower();
char[] delim = new char[] { ' ' };
string[] splitted = userinput.Split(delim);
string userinput1 = splitted[0];
string userinput2 = splitted[1];
ANSWER
Answered 2021-Feb-10 at 20:16You do something more like:
QUESTION
import tkinter as tk
import threading
import urllib.request
import pyperclip
import datetime
import time
import winsound
window = tk.Tk()
window.title("Pinger")
window.protocol("WM_DELETE_WINDOW", window.destroy)
mainvar = tk.StringVar(window) #creation of a variable
mainvar.set('realm') #set variable
window.iconbitmap('icon1.ico')
menu = tk.OptionMenu(window, mainvar, "1", "2", "3", "4", "5") #drop down
menu.pack()
global current_event_id
current_event_id = '-1'
def change_dropdown(*args):
#print(mainvar.get()) #no need for flush
if (mainvar.get() == "1"):
window.iconbitmap('icon1.ico')
current_event_id = '-1'
elif (mainvar.get() == "2"):
window.iconbitmap('icon2.ico')
current_event_id = '-2'
elif (mainvar.get() == "3"):
window.iconbitmap('icon3.ico')
current_event_id = '-3'
elif (mainvar.get() == "4"):
window.iconbitmap('icon4.ico')
current_event_id = '-4'
elif (mainvar.get() == "5"):
window.iconbitmap('icon5.ico')
current_event_id = '-5'
mainvar.trace('w', change_dropdown) #add an event listener to the main variable and link it to the change_dropdown function
def run():
link = "https://website"
m2 = ''
while True:
m1 = str(datetime.datetime.now().minute)
s1 = datetime.datetime.now().second
if (s1 == 59 and m1 != m2):
m2 = m1
f = urllib.request.urlopen(link)
myfile = f.read()
text = myfile.decode('utf-8')
events = text.split('\n')
i = 0
while True:
keys = events[i].split('|')
time = keys[5].split(':')[1]
key = keys[6]
if (time != m1):
break
if (event_id == current_event_id):
winsound.Beep(440,500)
pyperclip.copy(key)
print(key)
i += 1
control_thread = threading.Thread(target=run)
control_thread.start()
window.mainloop()
ANSWER
Answered 2021-Jan-01 at 10:32A classic pitfall with global variables in Python:
In your change_dropdown function, you need to declare global curent_event_id before setting it, otherwise you are actually setting a local variable which is forgotten as soon as the function exits.
A simple demonstration:
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