1. Alexis Colon Lugo
  2. as SQLite DB Server
  3. Mittwoch, Mai 01 2019, 11:57 AM
  4.  Abonnieren via E-Mail
Hi
i need to made one app for iPad but i need to sync with my local mini server with valentina sqlite server.

can this works or no

thanks
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Sergey Pashkov Akzeptierte Antwort
Hello Alexis,

No automatic way to do such synchronisation.
Also, iV4CC (Objective-C/Swift iOS client) doesn't have SQLite support yet, we'll add it, of course, but currently only the REST API can be used.
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Alexis Colon Lugo Akzeptierte Antwort
ok
can you send me example link for how this can works using rest api

thanks
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Sergey Pashkov Akzeptierte Antwort
There are no examples for Swift.
A lot of generic examples of HTTP requests, the easiest I think is to use NSURLConnection.sendSynchronousRequest:
https://stackoverflow.com/questions/24016142/how-to-make-an-http-request-in-swift

Generic examples in Python:
http://valentina-db.com/docs/dokuwiki/v9/doku.php?id=valentina:articles:vserver_rest

Also, there are Xojo examples, they are all asynchronous.
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Alexis Colon Lugo Akzeptierte Antwort
hi
if i use XOJO for ios can do rest api with valentina db
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Sergey Pashkov Akzeptierte Antwort
Hi Alexis,

Yes, you can use iOS_vSQLite_Fast example, just replace "SQLite" with "Valentina" in Vendor parameter.

In example, this parameter is passed to DoSQLSocket Start method (on screenshot):
Start( inHost As Text, inSessionID As Text, inSQLURL As Text, inSQLVendor As Text, inSQLDatabase As Text, inQuery As Text)
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Alexis Colon Lugo Akzeptierte Antwort
Hi
how i install the rest server in my Raspberry PI to connect from XOJO iOS App
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Sergey Pashkov Akzeptierte Antwort
Hi Alexis,

What system do you use?
For Debian-like distribution it is:

wget http://valentina-db.com/download/release/lin_arm_32/vserver_armhf_32_9_lin.deb
sudo dpkg -i vserver_armhf_32_9_lin.deb
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Alexis Colon Lugo Akzeptierte Antwort
yes Debian

now is install

How i set user a password for the server and if i can use VStudio from mac to connect to raspberry pi and edit the DB.

thanks
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Sergey Pashkov Akzeptierte Antwort
The login/password by default is sa/sa, you can change it using the Server Admin in Valentina Studio (make sure to put a Linux license in the licenses folder of VServer - Server Admin uses a separate connection).

Yes, you can connect from macOS and edit DB like on the usual Linux server.
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Alexis Colon Lugo Akzeptierte Antwort
ok
where is locate the folder for lic in the linux
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Sergey Pashkov Akzeptierte Antwort
Here:
/opt/VServer/licenses
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Alexis Colon Lugo Akzeptierte Antwort
thanks Sergey

how i now lic is working after copy file lic

thanks
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Alexis Colon Lugo Akzeptierte Antwort
next question

RequestHeader( "Accept" ) = "application/json"
RequestHeader( "Content-Type" ) = "application/json"
RequestHeader( "Cookie" ) = inSessionID

Dim url As Text = inHost + inSQLURL

// Prepare data
Dim dict As New Dictionary
dict.Value( "vendor" ) = inSQLVendor <<<<<<<< for use sqlite VServer in raspberry pi how i config it. Like ip of pi server, user, password
dict.Value( "database" ) = inSQLDatabase
dict.Value( "query" ) = inQuery

Dim json As Text = Xojo.Data.GenerateJSON(dict)
Dim data As MemoryBlock = Xojo.Core.TextEncoding.UTF8.ConvertTextToData(json)

SetRequestContent(data, "application/json";)

// Send the POST request
Send( "POST", url )
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Alexis Colon Lugo Akzeptierte Antwort
Not yet i understand change dict.Value( "vendor" ) = inSQLVendor for valentina. what do you meen.
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Sergey Pashkov Akzeptierte Antwort
Hello,

Pass "Valentina" as a value for inSQLVendor parameter.

It's a switch between two types of databases.
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Alexis Colon Lugo Akzeptierte Antwort
Hi
I try and i have msg see error who i now what error number or problem when try to connect to the server

thanks
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Sergey Pashkov Akzeptierte Antwort
Hello Alexis,

Please add more details.
Did you implement Error method in your connection socket, like on screenshot?
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Alexis Colon Lugo Akzeptierte Antwort
yes
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Alexis Colon Lugo Akzeptierte Antwort
i have error num -1004
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Sergey Pashkov Akzeptierte Antwort
In which method do you receive this error number? No Reason or Message texts in exception?
You can also check /opt/VServer/log - does the log have entries about connection?
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