It is a personal project of mine that I started as a hobby on B4i and it has become an interesting project, so that I have modified it to be multiplatform.
It is an http server, which allows a browser to navigate on html pages stored on the device. In addition, dynamic pages can also be...
Hi all, i am working on a personal project where I have a B4J Non-UI app running on a google cloud Virtual Machine, the app receives requests with a TokenID and message parameters which then are sent to the firebase messaging API, this works just fine, but i am having a hard time understanding...
I'm developing an api to interact with mssql.
Now I'm trying to generate a PDF file with an external exe, to do so I call shell.run an powershell script and wait for it to close to write a response, but while the external exe is running the server not respond any other request.
I started developing a version of the HttpServer Library for iOs. It is still a beta version and not complete, but already functional. You can start using it to test it. Includes WebSocket and QueryElement implementation
Digest Auth will be added in the future. I have arrived at a first version...
On Windows 10, I'm running the server app from this thread. It's working fine.
How do I stop it? I'm not sure what process it is in Windows Task Manager, and I shut down B4J IDE, but the server is apparently still running, as the site continues to be served at the default URL.
Hi everyone, i'm trying to use FTP to upload multiple files to the server.
I do it one by one, i want to show a progress bar, so i did like so:
'This function uploads the files (stored in the list) to the server base'
Public Sub CaricaFoto
This is the full source code for B4XQuiz server.
For the B4J client app, please check: https://www.b4x.com/android/forum/threads/b4jquiz-desktop-app.124202/
SQL script to generate database in post #2
SSL Tutorial: [Server] Using Let's Encrypt on Ubuntu VPS
'Non-UI application (console / server...
#1 How to: Install Let's Encrypt on Ubuntu Linux VPS to Create SSL Certificates
Downloading and Installing Let's Encrypt
1. Update the server's packages
apt-get update & sudo apt-get upgrade
2. Install the GIT package
apt-get install git
3. Download a clone of Let's Encrypt from the GitHub...
As recommended by @Erel in this thread, I have commenced migrating the communications in my project from http to websocket, however it's not been as simple as I thought it would be.
In replacing the http based comms part of my project I hit some "roadblocks". So created a simple project to...
Pick a SINGLE File from Dialog box, Then upload it To a server on LAN Or Internet
I wrote this B4A To be very small, simple, & easy to understand on a beginners level
In Files Is the PHP script To handle single File upload And save As original filename
php creates And appends a...
Hi guys, I'm migrating an old system that I did some years in power builder.
I could not achieve a connection to the database, this is what I have:
In my user DSN (odbc) I have my database connected and it works like this for my old system.
I managed to find a jconn2.jar library in the sybase...
I am using this function to send commands to a server
private Sub SendCommand(workName As String, Command As String, Signature As Boolean, url as String)
Dim ToSing As String
If Signature Then
url = X_PrivateUrl
ToSing = "command=" & workName & "&" &...
This procedure starts from a freshly installed AWS EC2 Linux instance and installs a B4J server, named B4J.jar, configured as a daemon.
This tutorial assumes a basic knowledge of a Linux environment, expecially the vi editor.
SSH access with ec2-user
Device /dev/xvdh is available...
I have a B4J Server application implementing a REST API service with multiple Handler Class Modules.
In one of these class modules I need to use CallSubDelayed to raise a callback event which is used in a Wait For in a different class module.
Is this possible?
If so, how do I reference...
Hi all, have been combing through the boards, and I see bits and pieces of references for backend stuff, but nothing definitive (perhaps that's the answer) about which way to go as far as selecting the OS for the Virtual Private Server (VPS) and B4J/I/A.
For those that have experimented, any...
I create a ServerSocket and connect with two client to server
I can send messages from clients to server, but i can't find who is sending the message and can't answer to client!
is there any way that astreams_NewData event show sender socket object?
wanna use a local Proxy in B4J to avoid CORS Problems.
This is the Try:
Dim ho As String
Dim po As Int
Sub AppStart (Args() As String)
ho="192.168.043.075" 'local ip
Dim j As HttpJob
Here a small quick and dirty implementation of the modbus TCP protocol in B4J as a server / slave.
Please note that this is not a complete library!
The following limitations are:
-Only READING (not writing) of holding registers possible by modbus master(function code 03) from...
I understand how to use Wait For in a B4J Server Handler. However I have no idea how to pause a server handler class waiting for some data in a SQLite database to change.
Anyone so kind to help?