) and I get an out
of range error.
On Jan 7, 2013, at 12:17 PM, Arno Garrels arno.garr...@gmx.de wrote:
Jack Moran wrote:
That's probably my problem. How do I install ICS? I'm just adding
files to the project.
I'm using Delphi XE2 and ICS Gold.
Quoted from ReadMe7.txt:
{code
Never mind! I see now I had to add the WSocket from the pallet.
On Jan 7, 2013, at 12:17 PM, Arno Garrels arno.garr...@gmx.de wrote:
Jack Moran wrote:
That's probably my problem. How do I install ICS? I'm just adding
files to the project.
I'm using Delphi XE2 and ICS Gold.
Quoted from
I am having a problem with OverbyteIcsUdpSend. On compilation I get a message
Field MainForm.Wsocket does not have a corresponding component. Remove the
declaration? I say No, but then get an access violation at 0x00544c24 when it
tries to set Wsocket. I've tried both the XE2 and XE3 versions.
That's probably my problem. How do I install ICS? I'm just adding files to the
project.
I'm using Delphi XE2 and ICS Gold.
On Jan 7, 2013, at 11:42 AM, Arno Garrels arno.garr...@gmx.de wrote:
Jack Moran wrote:
I am having a problem with OverbyteIcsUdpSend. On compilation I get a
message
Thanks, Arno. I completely missed the read me file. It's working fine now. I
appreciate the excellent support.
On Jan 7, 2013, at 12:17 PM, Arno Garrels arno.garr...@gmx.de wrote:
Jack Moran wrote:
That's probably my problem. How do I install ICS? I'm just adding
files to the project
) // with event handler implementation
...
end;
TSmtpServerTest = class(TServerTester) // with event handler implementation
...
end;
I'm not very clear about which is better for this job. I'm open
to other suggestions as well.
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of MySocketOptions, in ASyncReceive() function.
procedure TCustomWSocket.ASyncReceive(ErrCode: Word; bForceLoop : Boolean);
begin
...
if (not bForceLoop) and (wsoNoReceiveLoop in FComponentOptions) then
break;
...
end;
Does this make sense to you?
--
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Jack
Monday, March 19
Hello Wilfried and Francois,
Would you consider patching my changes into ICS?
--
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Jack
Sunday, March 18, 2007, 5:17:12 AM, you wrote:
Hello Jack,
This seems OK. Indeed if you set wsoNoreceivedLoop in the
OnDataAvailable handler it will hot have an effect when there is still
]);
...
end;
Please let me know if you see issues in this fix.
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,
Jack
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Hello Wilfried,
I'm not sure if I have understood you. I'm using one thread
to do everything, and I'm calling Pause in OnClientDataAvailabe()
on the client socket spawned by the server socket. Could you
please explain a bit more?
--
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Jack
Tuesday, January 16, 2007, 6:48:06 AM, you
doing wrong. Below are some excerpts from past emails. It could
be compiled in one of the wiki pages.
--
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Jack
[From Francios]
It (Pause) suppress async notification. So you don't receive events anymore
but I/O continue as much as winsock can, for example filling his receive buffer
Hi Francois,
As far as I know, TCP zero window is sent when the comiter is not able to
receive data anymore because the receive buffer is full. And still as far as
I know this is not an error if it doesn't persist for too long. It is simply
part of the control flow in TCP protocol.
Speaking
Just to add a bit to the description of the problem - the
problem only happens when wsoNoReceiveLoop is used.
- The connection is not closed but there's no data coming in.
This typically happens after a few MByte of data has been
transferred.
- I log Pause and Resume calls so that I see
I finally found the problem. In OnDataAvailable, in one of
the cases Receive() did not read all the available data.
===8==Original message text===
Just to add a bit to the description of the problem - the
problem only happens when wsoNoReceiveLoop is used.
--
To
Thanks Francois and Wilfried for the replies.
I still have no clue why it's causing TCP stack to send
TCP zero window to the server... basically when the zero
window packet shows up, the connection will break.
--
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Jack
Sunday, December 31, 2006, 12:59:40 AM, you wrote:
So, my
remained. I then took the above line out, and
left Pause and Resume in, I was able to complete the download.
So, my question is, what is wsoNoReceiveLoop for (and why does
it work in my case without setting it), and is it safe to not
set it?
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work :)
- Once HTTP header is received, I'm reading one byte a time to read
the rest of the reply, which is not the most efficient way. Since
it's mostly reading from a buffer in memory, it should not be a big
deal. This has no impact if HTTP proxy is not in use.
--
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Jack
}
TBaseParentWSocket = TCustomSocksWSocket;
{$ENDIF}
--
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Jack
Saturday, December 9, 2006, 9:59:17 AM, you wrote:
Hello Jack,
[..]
- socks and SSL support in existing ICS code is not done in the ideal
way. As it is now, a socket is either an SSL socket or a socks
socket
Hello Arno,
Got it. Now I declare that my earlier comment on SSL and
using a proxy is officially INVALID :)
Although I am a contributor to the SSL project but I have
to admit that I have never looked at the SSL code ;-p
--
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Jack
Saturday, December 9, 2006, 10:25:52 AM, you wrote
.
It sounds like a good idea to integrate Dan's throttler into ICS,
if Dan and Francois agree. What do others say? Or, is there any
easier ways to throttle the TWSocketClient class?
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Hello Wilfried,
Thanks for your reply. Do you mean I should check the ErrCode in the
event handlers, if none-zero, check LastError? When will BGException
be fired exactly? I suppose it could happen even when no event handler is
called?
Jack
I think you have to check your event handlers
cause this problem? Could it be
that the connection is closed before an ACK is sent back? It shouldn't
be though because w/o getting a proper ACK, the server shouldn't be
disconnecting.
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It is actually for data integrity as well (more than security, in my
opinion.) When it comes to large file download, there might be corrupted
bytes. Then this is more likely caused by HD errors then network errors.
Conclusion: I think data corruption might be a problem in some cases.
Notice
it down :)
--
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Jack
Thursday, November 9, 2006, 1:16:28 AM, you wrote:
Arno Garrels wrote:
Jack wrote:
Hello all,
I have a TCP socket client. In some cases, OnDataReceived()
There's no such event in ICS named OnDataReceived.
gets fired for multiple times with ErrCode = 0
. Any idea why this is happening?
In my particular case, the buffer is valid and has a size of
48 bytes. The application does this operation repeatedly.
The first time, or the first few times always work well.
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Jack
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In applications you can handle the WM_POWERBROADCAST message but
I'm not sure if it works with a service.
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Jack
Monday, October 30, 2006, 1:30:21 PM, you wrote:
Hello Fastream,
Could be XP bugs. I have done a few times a standby on XP and dont do it
again as some services
I know I know :) I was trying to ask if I can get that info
without calling Receive() and ReceiveStr() :)
--
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Jack
Tuesday, October 24, 2006, 12:37:37 AM, you wrote:
Receive() and ReceiveStr() that you would normally be calling in
OnDataAvailable returns the number of bytes
and concatenate the data.
If RcvdCount is not reliable, I can probably use PeekData() but
this is not very efficient because the data might be copied twice
each by PeedData() and Receive();
--
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Jack
Tuesday, October 24, 2006, 11:36:32 AM, you wrote:
Francois PIETTE wrote:
I know I know
Hi all,
Is there a way to know how many bytes of data is available
in the OnDataAvailable handler?
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If you think about it, the whole point of having the free version
is to get people interested and get beginners started. Now they have to
create the components by code ... wise decision :) [OT]
I'm really sad for Borland another chance stupidly wasted... who
was the genius that creates the
not access
remote data. This is reasonable restriction for a student version.
--
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Jack
Wednesday, August 9, 2006, 12:41:09 PM, you wrote:
Angus Robertson - Magenta Systems Ltd wrote:
Borland seems to be making some announcements today:
Looks like an answer to the Express versions of M
captured that with Ethereal.) Is there anything
I'm not doing right?
--
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Jack
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, WinSock, WSocket;
type
TForm1 = class(TForm)
WSocket1: TWSocket
,
Jack
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, WinSock, WSocket;
type
TForm1 = class(TForm)
WSocket1: TWSocket;
Memo1: TMemo;
Label1: TLabel;
Label2: TLabel;
btnSend: TButton;
edtDstIP
Please ignore this email. It turned out to be a messed up tcp stack.
The code works fine on other PC.
--
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Jack
This is a forwarded message
From: Jack [EMAIL PROTECTED]
To: twsocket@elists.org
Date: Thursday, April 27, 2006, 4:48:45 PM
Subject: SO_REUSEADDR doesn't work
===8
wonder why I'm getting error 10048? I'm manually
calling Connect from a button for testing, not in any of the
twsocket message handlers.
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) with any
web site. HttpTst sample works fine on highspeed on the same PC.
Any idea why this is happening?
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Hmm. But windows firewall does not really block any outbound
requests. It only blocks servers ... correct me if I'm wrong.
Thursday, April 13, 2006, 10:14:59 AM, you wrote:
Is there any chance that THttpCli doesn't work on dialup connections?
In one of our (remote) environment, the user has a
, etc.) just run fine.
This has been puzzling me for a while ...
--
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Jack
Wednesday, April 5, 2006, 11:12:43 AM, you wrote:
Hello Jack,
10053 is WSAECONNABORTED or in words: 'Software caused connection abort'
witch means that the OS has decided to abort the connection due
take much
work porting it to Linux. Please correct me if I'm wrong.
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I find that the server side script may require different format.
When I did upload to a PHP page, I had to hand craft the MIME
content. It may not work with a non-PHP server side.
Jack
Thursday, March 16, 2006, 4:47:21 AM, you wrote:
Is it possible to send a file from a windows machine from
.Listen;
--
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Jack
===8===End of original message text===
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Hello Arno,
I know about the components. They use ICS raw sockets. Because
ICS raw sockets does not capture broadcast packets, they don't
either :(
--
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Jack
Tuesday, March 7, 2006, 9:58:59 AM, you wrote:
Jack wrote:
Resending ... anyone has any idea why this is happening
of the code that creates the
socket line by line and didn't notice any issues/major differences
between the C code and TWSocket...
Jack
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';
WSocket1.Port := '0';
WSocket1.ComponentOptions := [wsoSIO_RCVALL];
WSocket1.Addr := '192.168.1.102';
WSocket1.Listen;
--
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Jack
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ret
Anything I'm doing wrong?
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Jack
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Hello Wilfried,
Thanks for the quick reply. No, I don't have a OnSessionClose or
OnChangeState handler. Destroying the server object will abort the
socket? Anyway, I also removed Abort() but the problem is still
happening from time to time as before.
--
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Jack
Saturday, March 4
Hello Wilfried,
It looks like it. But it could be SendMessageA called by
WSACleanup, which waits until SendMessageA message is processed.
Maybe this is because the target window and winproc has
been destroyed by TCustomWSocket.Destroy?
--
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Jack
Saturday, March 4, 2006, 10:24:04 AM
Hello Wilfried,
It's a little difficult to make a simple project out of it
because the project is kind of complicated already. Maybe I'll
do that when I'm not so busy.
I wonder if you can think of anything that I can hack around
just to see if it'll fix the problem?
--
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Jack
Hello Francois,
I find that calling pause in OnSessionConnected() is effective.
But calling pause in OnClientDataAvailable() does not work.
OnClientDataAvailable() keeps getting fired. Any ideas?
--
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Jack
Sunday, January 22, 2006, 10:33:21 AM, you wrote:
Maybe use Pause/Resume
socket without checking,
am I right?
Thanks,
Jack
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and send the data via remote socket.
Or is it a bad idea to do so?
An alternative way is to call Receive() and allocate memory
and cache the data into memory before remote socket is available.
But is this necessary?
--
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Jack
Sunday, January 22, 2006, 4:24:57 AM, you wrote:
Instead
?
There is a flag FPaused but it is not exposed as a property.
Oh, will you be able to expose it? I can modify the source
code for now but I think it's useful when Pause and Resume
is exposed.
And sorry for the typo again. I meant flag, not flat. You
got that right, too :)
Jack
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OnDataAvailable is called.
But if I call ReceiveStr(), I got data length 0.
Is this a bug - because there's actually no data received?
If it's not a bug, is there a way to tell if there is any
data before calling ReceiveStr() or Receive()?
--
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Jack
--
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Guess this is OT, but check out FastCGI interface.
Hello,
Is this possible? I want to keep the PHP-cgi.exe process loaded in memory
for fast execution. Or is this what ISAPI can only do?
Regards,
SubZero
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Hello Francois,
I use Delphi 5 and Delphi 2005, neither is on your supported list :(
Will V6 be completely replacing V5, or will it be a branch like SSL?
--
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Jack
Wednesday, December 28, 2005, 9:22:59 AM, you wrote:
I plan to support Delphi 7, Delphi 2006 (Win32 and .NET) and C
Hello Francois,
Delphi 5 is really too old.
I know. But it's just as good, or better (smaller executable
size and smaller memory footprint) than Delphi 7. I really
like Delphi 5. And ICS works equally well on D5 as on any other
versions of Delphi. It's a pity to drop it.
Delphi 2005 is too
--
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Jack
Friday, November 11, 2005, 12:19:00 PM, you wrote:
I remember seeing an example using WinXP raw socket to
sniff network traffic. Raw socket support has been added
to ICS (but I have no experience with it yet.) I wonder if
ICS raw socket can be used to sniff traffic sent
of the default
gateway. If not raw socket, any other ways to know that?
I can probably use winpcap to sniff the traffic but I would
not use it if I don't have to.
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It actually takes more than one THttpCli.Get().
My understanding is that once you get the initial html, you have
to parse it, get all the links, and request them, until you exhaust
the links.
Jack
Do you have any examples of how to use THttpCli for tasks like this?
/Perry
Arno Garrels wrote
Hello,
Real quick question.
It is my understanding that THttpCli does not timeout.
Say, it has connected to the web server and sent the request.
But if the server doesn't send anything back, THttpCli will
not timeout. Am I correct?
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Jack
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.
It is my understanding that THttpCli does not timeout.
Say, it has connected to the web server and sent the request.
But if the server doesn't send anything back, THttpCli will
not timeout. Am I correct?
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Jack
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Hello Wilfried,
I wonder why would winsock even time out in this case?
Isn't it legitimate to have a socket connected and doing nothing?
--
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Jack
Wednesday, October 26, 2005, 1:35:36 PM, you wrote:
Hello Jack,
real quick answer :)
correct !
Winsock will timeout after
CloseAsync() in OnRequestDone?
What exactly is CloseAsync() for?
--
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Jack
Thursday, October 20, 2005, 2:39:26 AM, you wrote:
I'm using httpcli in async mode.
Should I use httpcli.Close() or httpcli.CloseAsync()?
CloseAsync
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regards,
Jack
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to hear about it :)
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Tuesday, October 18, 2005, 3:10:23 AM, you wrote:
Hello Jack,
I was just editing this faq whitch could answer one of your questions:
[Author]
Marco van de Voort
[Email]
[EMAIL PROTECTED]
[Answer] Since there seem to be quite some confusion about
involves socket, I'm hoping that I can use ICS...
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I used sheerdns before. Very easy to set up. Works with cygwin dll.
Wilfried Mestdagh wrote:
Hello Arno,
Forget it, it is shareware.
Could not find a freeware one also.
I really thought this would be a sooo simple to solve problem :(
Probably overkill for your customers?
Hello Francois,
I'll try that.
Any idea why it doesn't happen when it's run from Windows Explorer?
--
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Jack
Wednesday, September 28, 2005, 2:36:34 PM, you wrote:
BgException: EConvertError: Invalid argument to date encode
You pass an invalid argument to some date encode
Hello Francois,
I installed madExcept, and verified it working with a divided by 0
exception I created on purpose. It was caught by madExcept. However, the
problem I
had in BgException didn't raise any exception that madExcept was
able to catch...
--
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Jack
Wednesday, September 28
a lot!
--
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Jack
Wednesday, September 28, 2005, 2:36:34 PM, you wrote:
BgException: EConvertError: Invalid argument to date encode
You pass an invalid argument to some date encode function. This happend in
one of your socket event hanlder since it is trapped by BgException.
I
A simple question: how to add custom http headers with httpcli?
I looked at the properties but did not find a string list property
that seemingly fit this purpose...
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tunneling would probably take the same amount of effort,
which is a little intimidating to me (time availability and the
possibility of messing up the well tested code) So I'm asking to
see if someone has actually implemented it, but did not put in
Francois's distribution.
--
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Jack
simple now.
I will email it to you. Please take a look when you have time.
BTW, are attachments allowed here, or should I send you a private mail?
--
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Jack
Thursday, June 2, 2005, 6:43:30 AM, you wrote:
To avoid difficulties, you should first correctly write your
#246), Date: Thu, 02 Jun 2005 10:40:24
GMT/font
If you comment out the StrToInt() line in the source code,
it'll appear only once.
--
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Jack
Thursday, June 2, 2005, 9:13:44 AM, you wrote:
No attachement here. But you can provide and URL on some server so that
anyone willing
if i 0 then
begin
s := Copy(s, 1, i - 1);
Result := StrToInt(s);
end;
end;
end;
--
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Jack
I celebrated a little too early. I am getting this problem again
in further testing after I changed Close() to CloseDelayed();
The difference is, I'm not getting result
Hi Francois,
I didn't receive any reply so I went ahead and added
tcp support in the DNSQuery component. If you are interested
I can email you the updated file so that you can review
the code and add to your distribution if you like.
Thanks,
Jack
===8==Original message text
Hello all,
I didn't see the option of choosing TCP in ICS's DNS client
component. I suppose it's UDP only. I wonder if there is a
component that resolves DNS with TCP? I didn't see one on
the user made page.
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Thanks Francois.
I double-checked and didn't see any calls to ProcessMessages
or ShowMessage, etc.
I'll make a simplified version and send the code in private email.
Jack
Friday, May 20, 2005, 3:50:18 AM, you wrote:
FP I still persist saying the you probably call the message pump
FP directly
was duplicated.
--
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Jack
Thursday, May 19, 2005, 10:53:49 AM, you wrote:
J Francois, thanks! This fixed the problem! It's actually in the FAQ:
J - CloseDelayed
J Is in most cases the preferred way. It will post a message to
J itself to close the TWSocket. This means that the socket
established
Proxy-agent: Proxy+ 3.00
It seems that, somehow the first ReceiveStr() didn't remove the data
from the buffer. Or am I missing anything?
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() in the
OnDataAvailable handler. Any other reasons that you can think
of that could cause this problem?
My component verifies if a HTTP proxies supports CONNECT
on port 443. I don't think HTTPCli component does what I
want to do ...
--
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Jack
Wednesday, May 18, 2005, 3:59:06 PM, you wrote:
FP
ReceiveStr. But the second string includes
the first string in both cases. So it shouldn't be the server
sending the string twice.
BTW, I'm using the latest ICS.
--
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Jack
Wednesday, May 18, 2005, 3:31:32 PM, you wrote:
WM Hello Jack,
WM Can you show your OnDataAvailable handler ?
WM
in the main form unit. Is there any other way to defer the call to
the Connect function so that it will happen after the code exits
the OnSessionClosed event handler? I know I can create a hidden
window in the owner object but I would avoid doing that if there
is an easier way.
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to continue.
Were there any changes introduced in recent versions of httpcli
component? Or, any ideas what this exception is about?
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It seems that now THttpCli.URL now requires prefix of
http:// or https://. I used to use url without those
and it seems to have worked with previous versions of
httpcli.
===8==Original message text===
Hi Francois and all,
I recompiled an old project of mine with the
Hello Francois,
In one case, I'm using a proxy. In another case,
I'm not. The moment I added http://; before the URL,
it worked again.
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Jack
Sunday, May 1, 2005, 6:10:36 AM, you wrote:
FP Are you using a proxy or not ?
FP Are you using authentication ?
FP --
FP [EMAIL
, Messages, WSocket, WsocketS;
I still can not make the file smaller than 300+KB :(
BTW Wilfried, it seems that TWSocket does support more
than 1 client. The ConSrv sample is a telnet server and I
tried with 2 telnet clients, both worked fine :)
--
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Jack
Sunday, April 10, 2005, 1:54:18 PM
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