RE: [twsocket] VOIP

2005-04-27 Thread Fredrik Larsson
Have you looked into what kind of effort it take to accomplish this?
I might be interesting of helping out a bit. I have done a lot of TAPI
programming and know a bit about that.
I have played little with VOIP but I it might be interesting to take a
closer look again.

Regards, Fredrik. 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Arno Garrels
Sent: Tuesday, April 26, 2005 11:18 AM
To: ICS support mailing
Subject: Re: [twsocket] VOIP

I've just found something interisting here:

http://www.ictrnid.org.uk/downloads/SIP/SIP-0.3.zip

The stack uses Indy 9.0.14 :( why not ICS?


RNID SIP STACK
==

This library of code consists of three main parts:
* a SIP stack (RFC 3261),
* an RTP stack (RFC 3550), and
* SDP (RFC 2327) parsing and utilities.

The code currently implements most of SIP, RTP. The stack can make and
receive calls from/to X-Lite, linphonec. It also connects correctly with
ser, the Sip Express Router.

Arno Garrels 

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Re: [twsocket] VOIP

2005-04-27 Thread Arno Garrels
Fredrik Larsson wrote:
 Have you looked into what kind of effort it take to accomplish this?

From the first view, and having read just 30% of RFC3261 it's
nothing you could do just on the fly. However SIP appears to be an easy to
learn protocol. I'm not sure if implementing VOIP with ICS makes sense due
to missing SSL support, which isn't required but a feature.
I've also read somewhere about SMIME. Looking at the huge units of the
RNID SIP STACK I'm actually a bit frustrated :( but that may change,
I need to read and understand more RFC's, I'm just playing with the idea.

 I might be interesting of helping out a bit. I have done a lot of TAPI
 programming and know a bit about that.
 I have played little with VOIP but I it might be interesting to take a
 closer look again.
 Regards, Fredrik.
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
 Behalf Of Arno Garrels
 Sent: Tuesday, April 26, 2005 11:18 AM
 To: ICS support mailing
 Subject: Re: [twsocket] VOIP
 
 I've just found something interisting here:
 
 http://www.ictrnid.org.uk/downloads/SIP/SIP-0.3.zip
 
 The stack uses Indy 9.0.14 :( why not ICS?
 
 
 RNID SIP STACK
 ==
 
 This library of code consists of three main parts:
 * a SIP stack (RFC 3261),
 * an RTP stack (RFC 3550), and
 * SDP (RFC 2327) parsing and utilities.
 
 The code currently implements most of SIP, RTP. The stack can make and
 receive calls from/to X-Lite, linphonec. It also connects correctly with
 ser, the Sip Express Router.
 
 Arno Garrels
 
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Re: [twsocket] [HELP] FtpServer : Long Process HOWTO

2005-04-27 Thread Guillaume MAISON
Thanks for your answer François.

yep... that's what i was supposing.

meaning that if the making of such a file
in the event handler take some time (10 s let's say),
and i have 10 clients asking almost simultaneously for images,
the last one will have to wait for 100 secs
before receiving anything.

Better then to send files one by one... even if there're 1200+ images...

else someone has another idea ? knowing that all the images are stored in a db
and retrieved on demand.

best regards,


 FTP server component will send the files simultaneously to all client at
 their own speed. It is serialized only when in the event handler, not for
 sending files.

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 - Original Message -
 From: Guillaume MAISON [EMAIL PROTECTED]
 To: iCS support mailing twsocket@elists.org
 Sent: Tuesday, April 26, 2005 5:10 PM
 Subject: [twsocket] [HELP] FtpServer : Long Process HOWTO


  Hi everyone,
 
  here's my problem :
 
  still in my video server, i'm using the FtpServer component
  to download a set of images, taken from a camera, through one
  simple RETR call.
 
  On the OnGetProcessing event, i retrieve from a DB (the connection
  has already been made) all the images needed
  (range of images provided in the filename which is formatted)
  and push them into the Client.Datastream.
 
  for the algorithm, i have no problem.
 
  but what happens if several ftp client asks at the same time
  for a big amount of images (average : 1 image = 21Ko) let's say 1200
 images ?
 
  Is Each OnGetProcessingEvent fired one after anoher ?
  which would then result in a queueing of each request...
 
  thanks for your help !
 
  Best regards,
 
  Guillaume MAISON
  -
  Guillaume MAISON - [EMAIL PROTECTED]
  83, Cours Victor Hugo
  47000 AGEN
  Tél : 05 53 87 91 48 - Fax : 05 53 68 73 50
  e-mail : [EMAIL PROTECTED] - Web : http://nauteus.com
 
 
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Guillaume MAISON
-
Guillaume MAISON - [EMAIL PROTECTED]
83, Cours Victor Hugo
47000 AGEN
Tél : 05 53 87 91 48 - Fax : 05 53 68 73 50
e-mail : [EMAIL PROTECTED] - Web : http://nauteus.com


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Re: [twsocket] [HELP] FtpServer : Long Process HOWTO

2005-04-27 Thread Francois Piette
 meaning that if the making of such a file
 in the event handler take some time (10 s let's say),
 and i have 10 clients asking almost simultaneously for images, 
 the last one will have to wait for 100 secs 
 before receiving anything.

You you have to hang into the event handler for 10 seconds, then you have a 
problem.
You should redesign your code as an asynchronous operation, probably using 
threads.

 else someone has another idea ? knowing that all the images are stored in a db
 and retrieved on demand.

You don't need to have to wait 10 seconds to get the image from the DB ! 
Or if really you have, then use another DBMS.
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[twsocket] Overwriting of HttpCli properties

2005-04-27 Thread Maurizio Lotauro
Hello,

while I'm working on the fix for the authentication I would like to remove one 
think that I don't like. The component will overwrite the Username and 
Password properties when an user and a password is specified in the url.

The problem is that when the user set another url without user and password 
then the properties mantains the values specified in the previous url. This 
will mean that it is possible that these values could be sent to the wrong 
server, and if a basic authentication is used, it could be a security issue.

I would like to change this behaviour in the following way. The user will be 
get from url if present, otherwise from the Username property. The same for 
the password. The properties will be not changed anymore.

Before doing this I want to hear the opinion of all developers that are in 
this mailing list, in particular if there are good reasons to do not apply 
these changes.

The same logic will apply to Connection and ProxyConnection, but it's 
overwriting appeared very recently, so I don't think that it will break any 
existing code. More probably is true the opposite.


Bye, Maurizio.


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RE: [twsocket] Overwriting of HttpCli properties

2005-04-27 Thread Tibor Csonka
Hello,

In my oppinion username and(or) passwords in the url are really useless to
implement. Think about Internet Explorer which inhibed this also. Also, how
can you specify proxy credentials in the url?

regards

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Maurizio Lotauro
Sent: Wednesday, April 27, 2005 7:11 PM
To: ICS support mailing
Subject: [twsocket] Overwriting of HttpCli properties

Hello,

while I'm working on the fix for the authentication I would like to remove
one 
think that I don't like. The component will overwrite the Username and 
Password properties when an user and a password is specified in the url.

The problem is that when the user set another url without user and password 
then the properties mantains the values specified in the previous url. This 
will mean that it is possible that these values could be sent to the wrong 
server, and if a basic authentication is used, it could be a security issue.

I would like to change this behaviour in the following way. The user will be

get from url if present, otherwise from the Username property. The same for 
the password. The properties will be not changed anymore.

Before doing this I want to hear the opinion of all developers that are in 
this mailing list, in particular if there are good reasons to do not apply 
these changes.

The same logic will apply to Connection and ProxyConnection, but it's 
overwriting appeared very recently, so I don't think that it will break any 
existing code. More probably is true the opposite.


Bye, Maurizio.


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http://www.alpikom.it


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RE: [twsocket] Overwriting of HttpCli properties

2005-04-27 Thread Maurizio Lotauro
Scrive Tibor Csonka [EMAIL PROTECTED]:

 Hello,
 
 In my oppinion username and(or) passwords in the url are really useless to
 implement. Think about Internet Explorer which inhibed this also. 

It is already implemented so since long time, and I think this is not limited 
to the http url. Removing it is a different question from my. Any discussion 
about that is wellcome.

 Also, how can you specify proxy credentials in the url?

Actually you can't.


Bye, Maurizio.


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