> I do not agree that this is a relocation-specific
> issue, and if we want the component to mimic the
> expected behaviour of standard browsers, it needs to
> automatically encode all URLs when composing the
> request, at the latest point when the location
> address has been "commited" immutably.
Sent: Wednesday, April 18, 2007 7:17 PM
>>>>> Subject: Re: [twsocket] 501 Cannot RETR. Error - Socket
>>>>> withicsFtpServ(V6forDelphi7)
>>>>>
>>>>>
>>>>>> Patrick Schmidt - STEP Software GmbH wrote:
>>>
>> The server can't be sure the file has been sent properly before the
>> connection is properly closed.
> That's true, however he knows that he sent all, he cannot know
> whether it all received at the peer.
He knows data is correctly received by the peer because of the graceful
close sequence
> Francois,
> Then there are situations that your previous
> argument will fail: Consider an application using
> HttpCli that does not automatically encode URLs in
> the URL property. Users will complain that "If I
> enter in IE it works, but your
> software is broken!". If your response is "
Normally, cookies are managed by the application. It is not always that
simple because of path and expiration. You can have a lot of cookies grabbed
from one or even several URL while redirecting. So you should really write
some manager code to have cookies somewhat persistant. That's why the ev
>> Note that you can derive your own HTTP component from ICS component and
>> add
>> the storage or manager you like. In my opinion, it is better to write a
>> separate class for cookie management and link that class to your HTTP
>> component. A cookie manager component would be a nice addon to ICS
>>> How would you add to the current httpcli (v6) component a cookie-manager
>>> in a non code breaking manner as the current cookie is defined as a
>>> string?
>> Write a TCookieManager component.
>> Create a new property CookieManager in the HTTP component.
>> At design time, link the cookie ma
ect time.
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- Original Message -
From: "Arno Garrels" <[EMAIL PROTECTED]>
To: "ICS support mailing"
Sent: Saturday, April 21, 2007 1:35 PM
> Your funtions are based on the assumption that there is a manager per
> httpcli, but maybe beter to have a manager that can handle multiple
> httpcli?
Indeed.
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> Or we simply make property LastResponse writeable which
> won't even require a change of event OnHeaderData.
Much better since it would probably not break anything.
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- Or
Since some of ICS users are using C++Builder, I think this could be
interesting for them:
http://www.stevetrefethen.com/blog/CodeGearIsLookingForCBuilderFieldTesters.aspx
In the past, some /active/ field testers have received the full product for
free when field test is finished.
Please do not
however the server obviously didn't call Data.ShutDown(1)
for some reason?
One reason you could no see the shutdown packet is that the receiver
stopped to receive data and the TCP window is full.
How would that be logged? I've nothing noted like that.
See attached LanWatch screendump. It s
> if I remember correctly ICS has a hash algorithm (MD5?) built
> in somewhere. Am I right on this?
Yes. MD4, MD5 and SHA1.
> And if, which one and in what unit?
IcsMD4, IcsMD5 and IcsSHA1 all in vc32 folder.
> Is it already included in V5.2x?
In V5 and V6.
> I might want to use it and I'd
> I have an application that creates the data to send over a
> socket on the fly and would like to have a progress bar that
> tells me how much data is left to send.
Since it is your application that send the data and know how many data is
left to send, I think it is not a socket problem at all !
> Where from a structure standpoind shall I integrate it in the Wiki?
> Make a new section Hashes?
I think a section in
http://wiki.overbyte.be/wiki/index.php/ICS_Components_Reference page would
be OK. For example just between "Helper Components" and "List of demo
programs".
The section title
> Does ICS support secure FTP?
ICS-SSL support FTP over SSL (FTPS) and TLS.
ICS-SSL doesn't support FTP over SSH (SFTP).
SSL => Secure Socket Layer, a general purpose strong cryptography transport,
used by HTTPS and others.
SSH => Secure SHell, a cryptography system aimed at "telnet", mainly on U
I think JCL or JVCL has a function for call stack.
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- Original Message -
From: "Fastream Technologies" <[EMAIL PROTECTED]>
To: "ICS support mailing"
Sent: Saturday, Apr
This log doesn't tellthere is a bug in the component.
Anyway, it would be interesting to see what code correspond to the stack
trace (line numbers are not very usefull if we have not the exact same
source code as you).
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I cannot post the
> entire project...
>
> SZ
>
> On 4/30/07, Francois PIETTE <[EMAIL PROTECTED]> wrote:
>> This log doesn't tellthere is a bug in the component.
>> Anyway, it would be interesting to see what code correspond to the stack
>> trace (line nu
> On 4/30/07, Francois PIETTE <[EMAIL PROTECTED]> wrote:
>> You have to add ICS units to your project so that madExcept has line
>> numbers
>> for ICS units as well. This way you know where in
>> TCustomLineWSocket.Destroy
>> and THttpCli.Destroy it h
> Is there an example that demonstrates how to monitor a HTTPCli.Get()
> progress for displaying a progress bar?
In short, from OnHeaderEnd or OnDocBegin, use ContentLength property to know
the total file size. Then in OnDocData event you can count the bytes and
update your progress bar. Nte that
I suggest you post a new message (new thread, new message, do not use reply
button) with a proper subject because as I understood your problem is not to
have NTLM built into the FTP server component but to validate the
usercode/password given by the FTP client against Windows domain. As Arno
ex
> On a LAN even if there is no FTPServer active the
> FTPClient takes 20 secs to timeout. I changed Timeout
> from 15 to 2 to no avail. I use FTPClient1.OpenAsync.
Please use proper subject ! If you reply to "digest mode", always change the
subject.
Try with FtpTst sample program.
Try with Window
> Nevertheless, connection are lost and the server is not usable anymore.
Can you better define what doesn't work ?
It is a perfectly reproductible problem or just happend sometimes ?
> It's no problem to place the HttpServ.pas V3 file into the same project
> folder so that it uses this HttrpServ
> {$IFNDEF NO_KEEPALIVE_CLOSE_CHECK}
>if FKeepAlive = FALSE then {Bjornar}
> {$ENDIF}
>CloseDelayed;
There are a lot of places where " if FKeepAlive = FALSE then {Bjornar}"
code is. Do have changed all ?
Why not act where FKeepAlive is assigned instead instead of where it is
> The thread also has a Cancel method which sends a special message to the
> thread which also makes it leave his message loop and does a abort on
> the control socket of the smtpcli and on the smtpcli.
Instead of wm_mailcancel, you can use standard WM_QUIT which makes
GetMessage return false so
HttpServ fixed
> Changed them all
>> Why not act where FKeepAlive is assigned instead instead of where it is
>> used
> Wasn't sure that would work different in other places.
> I can't test the service locally and the downtime of those servers have to
> be an abolute
> > Try with FtpTst sample program.
> > Try with Windows command line.
> On one machine the results of
> Command line timeout = 20 secs
> FtpTst timeout = 20 secs.
As you can see, the timeout is the same for both ICS and Windows command
line utility. This means it is the default timeout impos
FYI: I haven't advertized it, but the latest V6 beta include a multipart
HTTP download component and a nice multipart progressbar. As the name
implies, the new component download a file using as many HTTP connections as
you like. I made a nice demo also. The code still has some little problem
with
> Can you include the fix in the official sources?
Will do.
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- Original Message -
From: "Primož Gabrijelčič" <[EMAIL PROTECTED]>
To: "'ICS support mailing'"
Sent: Wednesday, May 16, 2007 2:24 PM
Subject: Re: [twsocket] HttpSrv closing HTTP/1.1
> I am new to WSockets and am writing an client server app that sends
> an object across a network to the clients. I would need the server to
> broadcast this information to all client on the network.
Where do you have difficulties ?
1) Sending an object thru a TCP/IP connection ?
Hint: S
> > FYI: I haven't advertized it, but the latest V6 beta include a multipart
> > HTTP download component and a nice multipart progressbar. As the name
> > implies, the new component download a file using as many HTTP
> > connections as you like. I made a nice demo also. The code still has
some
> >
> I'm puzzled to find out what i'm doing wrong.
> I made a component with both the TWsocketserver
> and A TWsocket as client to be used in a app.
>
> Server is running.
>
> Can i connect and send a string in the same event ?
No. ICS is asynchronous. Calling Connect is just a reauest to connect. Yo
> But then for a response
> Is this correct ?
>
> 1) In server.DataAvailable event : server : ClientServer.sendstring
> response;
> 2) In Server : ClientServer.Datasent event :
> server.clientserver.closedelayed
It depends on the protocol you are designing.
Most protocols in use (FTP, SMTP, POP3 a
>> Is Connection: close illegal with chunked encoding?
>> I have never thought so!
> Any answer to this pls? At least a comment?
No idea. Ask Google :-)
[EMAIL PROTECTED]
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The author of the freeware Internet Component Suite (ICS)
http://www
Out of my mind without checking the source code: You may override the
function which read the data frm file.
Contribute to the SSL Effort. Visit http://www.overbyte.be/eng/ssl.html
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You can think about how ICS-V6 components are implemented. They all derive
(inherit) from the same base class (TIcsWndControl). This class is a generic
class. Then every component use (by delegation) one or more TWSocket to
implement the specific protocol with properties, methods and events spec
> My vote is pro, depends on Francois, he's the (busy) boss ;-)
OK.
Also update the comment in french:
// Les exceptions doivent etre gérées, sinon l'application sera
// liquidée des qu'une exception se produit !
// All exceptions must be handled otherwise the application
// will
understand it with a little help from the Babelfish, but its
> translation was less than satisfactory.
>
> Best regards,
> Primoz
>
>> -----Original Message-
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
>> On Behalf Of Francois PIETTE
>> Sen
Hi All !
ICS-V5 has a lot of sample programs, most of them have not yet been ported
to ICS-V6.
I'm seeking for some volunteers to do the porting. Basically it is very
simple and mostly involve changing the unit names in the uses clause and
updating the sample name, prefixing it with OverbyteIcs
> i'm new and i would have some question :
You're welcome.
> - I need to establish a connexion socket between a client and a server
> (with
> Delphi).
> but i need the socket connection connect over a network blocked by a
> firewall/proxy which accept only HTTP request on port 80.
>
> is it poss
>> But reading your question, I'm not sure you want to issue a request to a
>> webserver or just traverse a HTTP proxy ?
>> If it is the former, then THttpCli component is OK.
>> If the later, then you can use TWSocket directly, sending the HTTP
>> "CONNECT" command to the HTTP proxy.
> In fact, i
>> You have to send a line like this:
>> CONNECT hostname:portnumber HTTP/1.0
>> and then wait for the proxy reply. Then you are connected to the remote
>> server.
>> This is what ICS-SSL use for SSL connections thru a proxy.
>
> Thanks !
> but does standard Delphi components (like TClientSocket TS
Note: ICS support mailing list /not/ the place to compare ICS with other
components. Please use a general purpose mailing list such a
[EMAIL PROTECTED] (you see: same list server).
I will answer your technical questions:
> - recursive upload to FTP server (ie. just point to a source directory,
As you subscribed to ICS support mailing list, you probably use ICS. Good !
But have you taken time to register your ICS copy ?
ICS is freeware but to use it, you must register it.
Registration is very simple: just mail a [real, paper] picture postcard to
the author (me). You can find instruction
Please take time to register your ICS. See readme.txt for details (In short:
you must mail a picture postcard to me).
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Probably you should make available somewhere a small test (the smallest
possible actually) which reproduce the problem so that the one willing to
investigate can do it in a snap.
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> I am using ICS THttpserver Component.i created a webserver .so i
> want to know that does this component support ISAPI application.
Someone wrote ISAPI/CGI support. See "usermade" page at my website. This
code probably need a little refresh.
btw: basically ISAPI/CGI is completely against
I have uploaded new versions for ICS-V6 and ICS-SSL-V6 to my website.
I have to give special thanks to Arno Garrels for his work, and also to
Angus Robertson.
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ht
> Where can we get the compiled latest OpenSSL DLLs?
You can download from ICS-SSL website in the download section.
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To unsubscribe or change your settings for TWSocket mailing list
please goto http://www.elists.org/mailman/listinfo/twsocket
Visit o
>I know I asked this before but since the answer was in French I cannot
> recall it--and I do not want to go back to my backup. Can you tell me the
> pwd of the ICS-SSL zip?
Sent privately...
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To unsubscribe or change your settings for TWSocket mai
GINE\REVERSEPROXYCLIENTCLASSUNIT.OBJ
>
> Any idea? I remember seeing this before, here and myself but it insists!
> There must be something wrong in the package itself
>
> Best Regards,
>
> SZ
>
> - Original Message -
> From: "Francois PIETTE" <[
ssage -
From: "Fastream Technologies" <[EMAIL PROTECTED]>
To: "'SSL implementation for ICS'" <[EMAIL PROTECTED]>; "ICS support
mailing"
Cc: "Francois PIETTE" <[EMAIL PROTECTED]>
Sent: Tuesday, June 26, 2007 11:10 AM
Subject: Re
Currently there is an online conference about C++ Builder 2007.
http://borland.interwise.com/borland/iClass/LB4974/default.asp
Next session start within a few minutes (9am in the US, 8pm in Paris).
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> > I think you must create one instance of TWSocketServer per port.
> >> Is a TWSocketServer can manage several port ?
>
> Arno did start work on a new socket server that supported multiple ports,
> useful for FTP with SSL where you may want to listen on two or more ports.
A work around is to us
There is a sample ISAPI DLL included with ICS-V5.
Have a look !
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- Original Message -
From: "A Drent" <[EMAIL PROTECTED]>
To:
Sen
> My program works with the main form and 3 threads (A, B & C).
> Two of this threads (A & B) are created by main form and the third (C) is
> created by thread A.
>
> Each thread create, run and destruct a server (TWSocketServer) in
> Execute()
> method.
>
> For thread A and B, my client applicati
> Do I need to define NOFORMS in a thread when a blocking call (Http-Get) is
used ?
>
> I'm using it without in a thread and it works fine (using it 2 years)
>
> I need to exchange a lot of database connections to webservice connections
and the main thread doesn't need the NOFORMS define.
> I would
TypeBinary must be done after logon and before transfert.
Display FTP messages to see what happend.
Add error checking.
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I'm still looking for a volunteer to convert some of the ICS-V5 samples to
ICS-V6 version.
Most samples are easily converted since it is merely a simple change in the
uses clause to add "OverbyteIcs" in front of each ICS "used" unit.
Also C++ sample are completely outdated. They need to be updated
> How to do with FTPClient a CHMOD command?
Use TFtpCli.Quote method to send any non standard command to the server.
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> Ok then how do we move the sockets out of CLOSE_WAIT state when the
closing
> sequence is incomplete because of missing client packets?? Do not assume
we
> are using LAN and no-packet-loss networks.
Winsock will timeout and give an error.
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To unsu
> So how to overcome it? Francois says the Winsock would timeout at some
time
> and raise an error but that does not seem to be the case!
Well you are telling me you get the error 10053...
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- Original Message -
From: "Fastream Technologies" <[E
> Could you please apply my change to your source?
This require careful look at the implication. I have no time right now to do
it.
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ling"
Sent: Friday, July 27, 2007 3:20 PM
Subject: Re: [twsocket] What determines the number of concurrent
connections?
> Francois,
> Francois Piette wrote:
> >> It's both machines that limit the connections with my server,
> >> but the source server example works just
> I am testing on an XP machine, and I have also tried testing on a Server
2003
> machine, and combinations of both with the same results.
It is the XP machine which limit the number of connections.
With Win2K3, you should be able to have thousands of connections, provided
you have anough RAM.
Sea
> It's both machines that limit the connections with my server,
> but the source server example works just fine.
Not sure I understand...
Do you mean the sample program delivered with ICS works OK but the code you
wrote yourself is limited in the number of connections ?
Contribute to the SSL Effo
> How can I change the data port?
> This seems to be always chosen by the client incoming.
In no passive mode, yes it is always the same port.
> PASV makes no difference.
Sure it make a difference. In PASV mode, the server select the port and
accept connections on that port.
Have a look at the
> I searched the archive but C# seem to return every single mail ever sent
to
> the list so I am not sure if this has been discussed earlier.
>
> Anyway, I am doing some Visual Studio 2005 projects and I want to have a
> good async-component. Basically TWSocket but that it can be used in C# and
> .
> I figure that it's v 6.0 that is compatible with Delphi.net?
There was also a V5 compatible, but it has not been maintened. You can find
on Delphi companion CD or at http://cc.codegear.com.
V6 is totally different regarding .NET: V6 is single source for both Win32
and .NET. I have updated it rec
> However, as far as I know, it is not trivial to compile a complex
> component like TWSocket into managed code. You can try, but I'm not
> sure it will work without modifications.
The work has been done. See my previous message to Fredrik.
Contribute to the SSL Effort. Visit http://www.overby
ted(lSocket_OnSessionConnected);
lSocket.OnDataAvailable += new
TDataAvailable(lSocket_OnDataAvailable);
lSocket.Connect();
I was thinking of adding it to the Wiki. Would the FAQ be the proper place
to have it?
Regards, Fredrik.
-Ursprungligt meddelande-
Från: [
> Added http://wiki.overbyte.be/wiki/index.php/FAQ._Microsoft_.NET_framework
> as well as a link in the FAQ.
Thanks.
> Unfortunately I added another one as well since I got some weirdness with
> the wiki-naming style and what was shown as a title. Can the old one be
> deleted?
I don't see it. I
> I'm ising THttpCli component to download a file.
> Before I call the Get method, is there a solution to know the file size ?
Use Head method and check ContentLength property. If -1, then the server
doesn't send document size and you have no way to know the size without
downloading it.
--
[EMA
> I saw it a couple of hours back,
Me too !
> now the above link doesn't work for
> me (There is currently no text in this page).
I haven't removed it ! Maybe Fredrick is playing with it ?
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- Original Message -
From: "Arno Garrels" <[EMAI
> I am trying to work with the Server demo of the ICS components. How do I
> obtain the body of the message sent in the GET request? I only saw the
> Client->RequestHeader but no related function for obtaining the body.
Not sure I fully understand the question.
You are talking about HTTP server
>> How do I obtain the body of the message sent in the GET request?
> The sample WebServer demo application handles the request sent to the
> webserver and displays the header sections but not the body (through the
> Client->RequestHeader->Count call).
Usually a GET request has no body. POST has a
You have to change the options to have "writable const".
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- Original Message -
From: "TK Boyd" <[EMAIL PROTECTED]>
To:
Sent: Sund
> Assignable Typed Constants
This is the correct option.
> ... but I could only get into that when I had a project open.
I don't remember very well D2, but the options for the library are for sure
stored somewhere. If not, you can add in the offending source a compile time
directive {$J+}. Nor
> In triggersessionclosed, I postthreadmessage to a message handler in the
> same worker thread which then thread-detaches and posts the object to
> listener thread. However, in every 1-2 hours, under heavy load, the worker
> thread gives an AV which I suspect is due to a recv/send callback event
>
> What kind of an AV would yeield no exception message?
Use madExcept (www.madshi.net). It is an incredibly useful tool.
Also use FastMM (included in BDS2006 but probably a good idea to download
latest version from SourceForge) and turn all checks on.
Contribute to the SSL Effort. Visit http://w
> I'm using components HTTPCli and FTPCli. I have no troubles with
> the second one. But i have a question about HTTPCli. How could i send
> some values to a specified parameters using POST method?
Basically, you build a TStream with the data formatted as your server expect
it (urlencoded, mime,..
> 2. Even though I use local messages to start and stop the connections, the
> Client application will not process any other messages unless I call
> Application.Processmessages, which I call in the OnSessionConnected event.
That is probably your problem. NEVER call ProcessMessages or any other fo
> However, TWSocketServer does not have what I need for these tests. I am
> not
> wanting to know concurrent or contiguous client connections. If I was,
> then
> yes, ClientCount would be sufficient. Rather, I am trying to determine
> how
> many connection lifecycles can occur over a period o
>I'm working with a TCP Server using component Socket Server, When i
>disconnect a client, by removing it's cable for example, the port on the
>server stays opened. How can I detect that the client has disconnected.
The best way to do that is to handle it at the application level. Have your
client
Have a look at http://www.magsys.co.uk/delphi/magmonsock.asp
btw: Is you capslock key broken ?
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> I thought the fragmented packets didn't happen with UDP though? that
> boundaries were respected?
At the application level, there is no fragmented packet, datagram boundaries
are respected.
> Why is the event triggered with empty data?
Are you calling the message pump from one of your event h
> sorry, actually it's this
>
> procedure TForm1.WSocket2DataAvailable(Sender: TObject; ErrCode: Word);
> Var a: string;
> begin
> a:= WSocket2.ReceiveStr;
> // if length(a) = 0 then Exit;
> Inc(rec,1);
> caption:= 'Received packets = '+inttostr(rec);
> memo1.lines.add('Data: '+a);
> end;
You ha
> I use the HttpCli to get web page, but my intranet use ths ISA proxy,
> it use the NTLM authentication, What shall I do?
Simply enable NTML authentication at the HttpCli component (update to the
latest ICS if your version doesn't support NTML). And provide the require
credentials. Select your IS
Have you tried with one of the server demos included with ICS ?
Just to see if it is related to your code or elsewhere.
It is also possible that windows run out of other kind of resource. Have you
"instrumented" your program with - for example - FastMM which could tell you
about memory leaks ?
An
Use TWSocket component to connect to the server using same parameters
(127.0.0.1/TCP/1099). Then send the data in the same format, then grab the
response (using OnDataAvailable event and Receive method) then gracefully
close the socket (Shutdown).
Contribute to the SSL Effort. Visit http://www.ove
> Our client has 3 IPs. They want to run a different server on port 80 of
> each. IIS6-7 does not cooperate. I am unable to find any resources using
> google. Any known issues/workarounds?
This is a how Windows (or any other OS I know) works.
There is only one program which can listen on a given t
> Again, they want to run one server on different IPs same port. However,
> IIS
> does not like to share ports--grabs all IPs.
IIS has setting to select IP addresses or to use all available IP.
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The author of the freeware multi-tier middleware MidWare
The author of the freew
> How to check if a file is either uploaded correctly or not, I know that
> ftpCli
> supports MD5 command, but at the outside world there were no
> commercial ftp hosting services that support MD5 command,
> I only found one ftp hosting which supports XCRC and this is command as
> far
> as I know
> Any ideas what's causing this?
No idea.
> I'm unable to trace into the Pascal source for some reason.
Add the component source code to your application project. You'll be able to
débug.
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The author of the freeware multi-tier middleware MidWare
The author of the freeware I
> But am I corret in thinking it is only defined when I
> recompile the ICS components and not in my app itself?
Wrong. Define NOFORMS in /your/ application project.
>> Correct, that won't work of course. In your ThreadProc create the
component
>> and call GetMessage(), TranslateMessage() and Dis
;> in the service thread of TThread since there is one already pumping
> >> messages (ProcessRequests).
> >>
> >>>
> >>> 2. Are the events; OnValid called from the context of the main
> >>> process or a background thread?
> >>
> >
If you want ot get directory listing to get the file size, you are on the
wrong track. FTP has a sie command to get the size of a file. Use it.
Now if you really want to dir list for a file only, most FTP server use the
host file name as filter.
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The author of the freeware m
http://www.google.be/search?q=C0d1
> Sometimes it gives "privileged instruction" and then crashes.
This usually happend when executing data as instructions. This mostly result
of bad pointer or using an object or memory block after it has been freed.
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Author of ICS (Inter
> I need to write a TService application that will
> receive (potentially) multiple client TCP connections
> concurrently, and perform some simple stateful
> transactions with them. For example:
>
> 1. Client-A connects to the server
> 2. Server responds with banner
> 3. Client-A sends data
>
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