[Lazarus] fpWeb and server-sent events

Luca Olivetti luca at wetron.es
Wed Jun 3 16:42:36 CEST 2020

El 3/6/20 a les 16:32, Luca Olivetti via lazarus ha escrit:
> El 3/6/20 a les 15:54, Michael Van Canneyt via lazarus ha escrit:
>> On Wed, 3 Jun 2020, Luca Olivetti via lazarus wrote:
>>> Hello,
>>> I need to embed a simple web server in my application that
>>> 1) should server a couple of static files
>>> 2) send server-sent events
>>> https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events 
>>> I can see that 1) is easy, but 2) I cannot see how (fpWeb model 
>>> doesn't seem to allow to take over the socket and keep sending data 
>>> on it).
>>> I saw an old message regarding websockets and bauglir-websocket but 
>>> it seems it implements a different server and I'd like to run 
>>> everything from the same socket.
>> Simply said: You can't in FPC.
>> The only way to do this with FPC is using websockets, indeed using
>> bauglir-websocket. I use it myself like that.
> I didn't look into it too much, but does it also serve "normal" http? If 
> so I could adapt it to manage events (after all it's much simpler than 
> websockets).

I see that I can connect the EventSource to a different socket, so I can 
use fpWeb to serve static content and a simple socket to send events.

Luca Olivetti
Wetron Automation Technology http://www.wetron.es/
Tel. +34 93 5883004 (Ext.3010)  Fax +34 93 5883007

More information about the lazarus mailing list