How to ping a site

lock255 · Mar 7, 2013

Hi I am creating a program that does ping a website, so what I need is:
1) Know whether the site is online
2) the IP address of the server
If someone helps me I'd be really grateful. I just started programming with B4A, so I ask you spieghermi things in a simple and step by step.

NJDude · Mar 14, 2013

Ping might require ROOT privileges, that's why only works in debug mode.

lock255 · Mar 14, 2013

NJDude said:
Ping might require ROOT privileges, that's why only works in debug mode.

There is no way to insert the privileges in the Manifest?

NJDude · Mar 14, 2013

lock255 said:
There is no way to insert the privileges in the Manifest?

Unfortunately, no.

lock255 · Mar 14, 2013

Thank you all for the help, the only step is how to establish by ping if a website is up or down. Anyone is capable of it?

fanfalveto · Mar 14, 2013

i have 2 phones one rooted the other not,and ping runs in both.i do ping for see devices in wifi network and runs ok

Erel · Mar 16, 2013

Ping might require ROOT privileges, that's why only works in debug mode.

Debug mode doesn't add ROOT privileges. It does however add the INTERNET permission. You should manually add it with the manifest editor:

B4X:

AddPermission(android.permission.INTERNET)

NJDude · Mar 16, 2013

Erel said:
Debug mode doesn't add ROOT privileges. It does however add the INTERNET permission. You should manually add it with the manifest editor:

B4X:

AddPermission(android.permission.INTERNET)

Indeed, I forgot about that permission.

marcick · Mar 16, 2013

yes, editing the manifest now it works in release also. Thanks Erel (and everybody).
Marco

lock255 · Mar 17, 2013

The Ping now works fine, but I want to understand how to determine whether a website is up or down?

Erel · Mar 19, 2013

You should use HttpUtils2 to "download" the Url. If it is successful then the website is up.

lock255 · Mar 22, 2013

Erel said:
You should use HttpUtils2 to "download" the Url. If it is successful then the website is up.

Erel, could you please email me the code to do the download?

NJDude · Mar 22, 2013

You can search for it, type httputils2 up in the SEARCH box and you'll find it.

lock255 · Mar 22, 2013

NJDude said:
You can search for it, type httputils2 up in the SEARCH box and you'll find it.

I managed to do just that:

B4X:

Sub Check_Click
MainUrl= "http://www." & LinkSito.Text
   PreviewWeb.LoadUrl(MainUrl)
   Dim job As HttpJob
   job.Initialize("Main page", Me)
   job.Download(MainUrl)
End Sub

I do not know how to let him know if the download page has been done (so the site is up) or it is not possible to download (when the site is down).

lock255 · Mar 26, 2013

Erel the PreviewWeb does not give me problems, I can not write the statement that allows you to check if the page download is successful or not.

Erel · Mar 27, 2013

Check HttpUtils2 tutorial. You should handle JobDone event and check Job.Success.

lock255 · Mar 29, 2013

We came out crazy, but in the end I made it!

johnstonf · Apr 6, 2013

Post Results?

Any chance you could post your completed program? THANKS! :sign0060:

lock255 said:
We came out crazy, but in the end I made it!

lock255 · Apr 6, 2013

johnstonf said:
Any chance you could post your completed program? THANKS! :sign0060:

Unfortunately I can not publish the full code, but you can safely write it if you follow the previous comments. If you have any difficulty sonoa your disposal!

GaNdAlF89 · May 7, 2013

How can I do to set a timeout in ping request?

NJDude · May 7, 2013

Try the attached sample, you can adapt the PING to your needs.

How to ping a site

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