Strange or not the next html form code generate a empty,only header,
POST request.
The cause is the onsubmit event.
If in the httpserver onPosteDocument I accept the request the connection
will hangup because no OnPostedData will trigger.
So I ask, what is the best way to treat this situatio
You have to nil the stream object
if Assigned(ClientCnx.DocStream) then
begin
ClientCnx.DocStream.Free;
ClientCnx.DocStream:=nil;
end;
of just
Uses SysUtils;
if Assigned(ClientCnx.DocStream) then
freeandnil(ClientCnx.DocStream)
> I tried:
>
> ClientCnx := TMyHttpConnection(Client)
This is a very simple parse solution, but works.
HeaderList := TStringList.Create;
HeaderList.NameValueSeparator := ':';
HeaderList.Text := YourHeaderString; //must be a string with
header items delimited by carriage return and line feed, as it came in
the raw
I was trying a Windows application with ICS in Linux, using WineHQ, and
it refused to even start.
I tracked the problem to the initialization of the OverbyteIcsNtlmSsp
unit, LoadSecPackage procedure.
pInit := GetProcAddress(SecPackageHandle, SECURITY_ENTRYPOINT);
if not Assigned(pIni
>> That's IMO not worth the effort, I was searching for a very simple
>> solution that took not more than a few minutes to change everything.
>>
>
> What about writing a new TIcsIniFile doing the job ?
> Would be enough to search&replace TIniFile by TIcsIniFile.
>
> TIcsIniFile or TUnicodeIn
>> XML can ease the process.
>>
>
> I don't think so. XML is an heavy beast, taking a lot of code and power. I
> don't like it for that purpose.
Just one idea to implement the ini sections handling, without the need
to write parsing code.
It's heavy, but to deal with these little ini files
> If the problem with current demos ini files is just related to Unicode
> strings handling, probably an TCustomIniFile descendant with string utf8
> encode/decode is enough.
Obvious from TCustomIniFile will not work, must be descendant from TIniFile.
TMyUnicodeIniFile=Class(TIniFile)
public
> It is not that easy!
> The code above might work if String maps to an AnsiString,
> however fails if String maps to a UnicodeString ( Delpi 2009 ).
>
This little modification does the job in D2009
uses rtlconsts;
...
procedure TMyUnicodeIniFile.WriteString(const Section, Ident, Value:
st
> Yes, that should work and is the bare minimum required for use
> in the demos. Though it cannot handle a possible BOM.
>
With a little trick and we just need to rewrite the create constructor.
unit UnicodeIniFile;
interface
type
TMyUnicodeIniFile = class(TIniFile)
public
constructor
>> The D2009 TInitFile already uses the WritePrivateProfileStringW and
>> GetPrivateProfileStringW versions of the functions, but only work if
>> the ini file already exists and is Unicode.
>>
>
> Surprise! That works indeed with UTF-16, however if there is a UTF-8
> BOM and data I cannot r
> As I wrote in my previous message, this does not work for me.
> Whenever Windows finds an UTF-8 BOM it does not return a single byte.
>
Sorry, I have not understood.
For me, the previous code works fine in Vista and XP.
I change the encode of the ini file using Notepad from UTF16 to UTF8,
an
>
> My fault, now it works. But it won't be the same level of backwards
> compatibility that can be achieved with a class derived from TCustomIniFile.
>
Can you, please, point one possible problem?
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>> It appears the OS API code is not reading the 3 UTF8 BOM bytes
>> correctly if there are only 3 byte before the section name.
>>
>
> That's what I mean, don't rely on the API in this case since all
> this stuff is undocumented. Better use a class that handles
> file access natively.
>
>> Old Delphi saved ini files will open correctly in D2009 compiled demo too.
>>
>
> It is also important that the INI file generated by D2009 compiled
> application remains compatible with the same application compiled with older
> Delphi as long as it is possible (This is not possible if
Arno Garrels wrote:
> Back again, it does not work reliable for me, please try the attached INI.
>
>
This elist support attachments?! Or my email client made something wrong
or the elist software trashed the attachment.
Please send it directly to my email address
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Arno Garrels wrote:
> Here's the INI file that does not work with your code for me.
>
>
It appears the OS API code is not reading the 3 UTF8 BOM bytes correctly
if there are only 3 byte before the section name. Probably a bug in the
API, or a text files requirement, BOM always terminated by EOL?
> If you derive something like the TMemInFile that writes all data in
> one call to a method UpdateFile it's possible to add a BOM or not
> depending on the data itself. You can read a BOM-marked UTF-8 INI +
> file, change it and write it back as Ansi or plain Ascii without BOM
> if encoding is n
just 3.5 MB!
I'm not an expert but I think you don't see the memory usage because
data is not cached in the client. Piotr clearly say that if the RCV
client is not accepting data, Winsocks cache it until its internal
buffer is full and only then report can't accept more because c
ytes!' message show, so something is
different at your system.
RTT
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> Hi RTT,
>
> which Operationgsystem and Pachlevel are you using? Do you
> use ICS Version 6 RC1 ? I am using Windows XP with
> Service Pack3, tested my Client now on 3 Clients with this config.
> I am using ICS Versoin 6 at RC1. I added my client.exe and
> server.
Is just with me or something is not working?
Some of my messages/replies simple don't hit the list, and some others
don't show up in the archive.
I also noted other members messages I received today are not show in the
archive too!
RTT
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> Correct, beside the maximum limit of 65,353 in detail: With TCP Window
> Scaling (RFC 1323) you can use values up to two Gigabytes.
I read 1GB
From RFC1323:
"Since the max window is 2**S (where S is the scaling shift count) times
at most 2**16 - 1 (the maximum unscaled window), the maximum w
Markus Mueller wrote:
> This also don't work. I never see my (extended) destructor beeing called,
> if it is called "Free" nor "Destroy". Also my memory usage is increasing
> if I just do "release". If I do Free I get memory errors but the memory
> usage is not increasing.
>
>
I suppose you hav
RFC1738 - Uniform Resource Locators (URL)
http://www.faqs.org/rfcs/rfc1738.html
RFC1808 - Relative Uniform Resource Locators
http://www.faqs.org/rfcs/rfc1808.html
> Hi, I'm using httpcli to save a webpage html doc and I extract all of
> it's image locations to a text file by saving the ' be a di
Just read sections 3 and 4
http://www.faqs.org/rfcs/rfc1808.html
Section 3 explain how you define, to the page you are parsing, its base
URL. The base URL is needed to resolve later relative URLs.
Relative URLs resolving method is explained at section 4.
> I thought that the root dir could be so
Some time ago I made some tests using next icshttpserver changes to
provide gzip compression.
Because I use the free ZLibEx unit in my projects
uses
...
{$IFDEF USE_ZLIB}
//dZLib, zDeflate, ZLibh,
ZLibEx,
{$ENDIF}
Commented all the other code inside {$IFDEF USE_ZLIB} {$ENDIF} blocks
and
ICS has OverbyteIcsZlibHigh with versions of many of the Zlib functions,
although only ZlibCompressStreamEx, not ZcompressStream2, but they are
probably similar.
Do you have the time to update the V7 server component (from the nightly
SVN zip) to use the existing ICS Zlib units? They are us
Hi Angus,
With one bug fix to reset the stream to the start, your code worked fine
thanks.
Don't know if this is really a bug, or if the need to reset it
correspond to a not standard way to deal with streams by the HTTPServer
component.
In order to enhance the AnswerStream functionality
Just to post some enhancements to my early proposed changes.
if not Assigned(FDocStream) then
PutStringInSendBuffer('Content-Length: 0' + #13#10)
else begin
if hoContentEncoding in FServer.Options then be
There is nothing to stop you using alternative compression libraries, I
have applications using different components each with their own versions
of zlib.
Yes, of course, but why increase final application size, and resources
used, if we can simple add the possibility to not duplicate it,
If we are not going to use compression, or we are handling it in
our own code, why link the zlib library?
You said you are not using the v7 component, so none of this currently
effects your applications. It is not realistic to make the code more
complicated just to satisfy compatibility
(same as
load it from a file)
RTT
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Rcvd buffer.
And why you don't use only one record, with variant part?
TEmployee = record
FirstName, LastName: string[40];
BirthDate: TDate;
case Salaried: Boolean of
True: (AnnualSalary: Currency);
False: (HourlyWage: Currency);
end;
RTT
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I was thinking of Windows being unicode... Isn't it possible to enter
Chinese characters with Arial on all Windows'?
No, you can't.
You have to change your Windows character set to an unicode character
set like #Arial Unicode MS
Yes, you can. If application is Unicode, there is only the need
Hi,
What do you think about this verify result?
D:\>openssl verify -CAfile TrustedCA.pem -untrusted MyServerCert.pem
MyServerCert.pem
MyServerCert.pem: OK
TrustedCA.pem contains the issuer certs of MyServerCert.pem.
If the TrustedCA.pem file contains the root CA, what happen if you add
Arno Garrels wrote:
RTT wrote:
Hi,
What do you think about this verify result?
D:\>openssl verify -CAfile TrustedCA.pem -untrusted MyServerCert.pem
MyServerCert.pem MyServerCert.pem: OK
TrustedCA.pem contains the issuer certs of MyServerCert.pem.
If the TrustedCA.pem file conta
These pop-ups are probably coming from the Motigo Webstats Counter
http://web.me.com/thierry.cornelis/Site/Blog/Entries/2009/1/23_Motigo_Webstats_Counters_Generate_Pop-ups.html
Better change to statcounter, completely free of any advertise technique.
Hi,
I just visited www.overbyte.be
At this
These pop-ups are probably coming from the Motigo Webstats Counter
http://web.me.com/thierry.cornelis/Site/Blog/Entries/2009/1/23_Motigo_Webstats_Counters_Generate_Pop-ups.html
I have removed Motigo counter. Could you check if you still see the
popup (Strangely, I don't see it from here).
Now,
Why the ping test cannot ping but CMD can when the ESET smart security
is on?
Am I missing something?
Because it's not the ping functionality that's blocked but the
application that executes the ping? The system ping.exe is not being
blocked by ESET, but your application ping test appl
well, i created the string with a linux-tool on the radius-server
(freeradius). It is used as:
cryptpasswd --md5 .
Free pascal has a unit that does exactly what your posted perlscript
code does
http://florianklaempfl.de:8000/fpctrunk/file/70e283550952/packages/hash/src/unixcrypt.pas#l1
But
Are you using chunked transfer encoding, or something else?
Found it, I forgot to set linemode properly :-(
Paul
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Are you using chunked transfer encoding, or something else?
That's what I'm doing, at least I'm trying to, but it's still not
working.
Do you have an example sending it with a THttpCli ?
No, just with httpserver. Are you able to properly set up the encoding,
or it just don't work as you want,
the problem I have is that the messages contain binary data.
I'm sending binary data with that code without problem. Every chunk
header inform of the data length the chunk message body has, so, the
type of data in the message body is errelevant.
Never tested with an THttpCli, but you just ne
I can't get the client working with it.
httpCli.TransferEncoding is a readonly property.
How can I set the transfer encoding to chunked and send seperate chunks ?
From what I see there is no easy way to do it with the HttpCli, without
overriding some methods or/and add your own PostChunked me
This seems to work fine
UTF8Decode(URLDecode('Sin título1_html_m5b7e3440.jpg'));
Curiosity struck, so I googled it...
Apparently you aren't the only one with this issue.
If you have the string before it gets encoded in the 1st place you can
convert to UTF8 first, then encode it to URL so you ca
Obviously what works fine is the sequence of decode transformations on
your encoded filename, not in the already decoded string as I posted. Sorry.
This is the correct example:
UTF8Decode(URLDEcode('Sin%20t%C3%ADtulo%201_html_m5b7e3440.jpg'));
This seems to work fine
UTF8Decode(URLDecode('Sin
, default set to true, parameter, DetectUtf8, to define if
the auto-detection, and decoding, of UTF8 encoded strings must be made
automatically by the function after the URLDecode conversion
Hi RTT
Thanks for your tips. Finally I get it work but I should write code a
bit different
String usStr
Is happening here too, but only if I continue with the step over
debugging (F8) after the 4 thread are created. Never happened while they
are created. No idea if that's what you want to say with "repeat
pressing F8 until the AV is raised."
The debugger will keep stepping the WmTest function, un
Hi everyone!
Is there any simple way to handle other than the GET, POST and HEADER
request methods,... as OPTIONS,...?
The way it is now, the THttpConnection.ProcessRequest procedure always
respond with a Answer501, not giving any chance to handle other methods.
I think a TriggerOnUnknownMeth
On 10-09-2010 16:43, Arno Garrels wrote:
Another thing that would be useful, if added to the code base of the
> THttpConnection, is the possibility to send additional headers from
> the THttpConnection.SendDocument, to define cache control, etc..
> procedure THttpConnection.SendDocument(SendT
Thank you for the explanation Angus.
But, why don't keep the naming schema? TriggerAfterProcessRequest ( and
respective OnAfterProcessRequest) would be less confuse.
Rui
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Done. I've now sent you a PM with the .diff file.
Feel free to apply your changes to the latest SVN revision and send me
the patch file by PM. Changes MUST not break existing code and a change
log in unit's comment section was helpful too.
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On 11-09-2010 09:22, Angus Robertson - Magenta Systems Ltd wrote:
What is the purpose of the OPTIONS method?
From http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
"The OPTIONS method represents a request for information about the
communication options available on the request/response ch
Is it possible to encrypt the connection between the client and server?
The connection, or your custom data?
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Any kind of demos for the person who has never done such things before?
But what kind of data are you sending/receiving. Plain text, binary?
You just need to encrypt it before send, and decrypt at receive.
Here is a good cryptography library
http://www.cityinthesky.co.uk/cryptography.html
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Here is a sample that work.
Get the 'multipart/form-data' encode tstream class code from this unit:
http://read.pudn.com/downloads116/sourcecode/internet/495621/Gz235_200671623235689/cn700_del549790557/IndyMultipartFormData/MsMultiPartFormData.pas__.htm
Start a new Delphi application, and in th
Are the headers as you guys would expect?
The "Vary: *" header prevents the response from being cached, so IE
"gets confused" when processing the save attachment request.
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Now,
The project "OverbyteIcsSrvTcp" has absolutely nothing in inside to
help me. I can't find anything about sending or receiving in this
project.
The OverbyteIcsSrvTcp uses the OverbyteIcsTcpCmd.pas, where you will
find the code of the server.
The project "OverbyteIcsClient7" gives m
It gives error when clicking the connect button
What's the connect error?
however,
I will be able to fix the errors but,
this still doesn't help me much because,
I need to be able to send the commands from the server to the client
as well.
I can find nothing about how to send anything from
On 18-01-2011 11:25, daniel cc wrote:
So you build your combobox, wait 10 seconds, one client disconnects, all
the clients numbers reduce by one and your combobox is out of date. When
you try to send a command to one of them it may be the wrong client or
you'll get an exception because there ar
On 18-01-2011 13:50, daniel cc wrote:
Clients are not having static IP and the place where clients are gonna
be doesn't allow top open any ports for incoming trafic etc.
Connecting from the server to the server placed in clients isn't going
to work in my case or perhaps I am mistaking?
If t
(I am using SSL sockets in both sites)
Why you insist in use SSL if the client and server applications are
coded by you?!! Why use a standard that only exist because of the need
to connect many different implementations of clients to many different
implementations of servers?
You will be mu
SSL/TLS aktually uses common, powerful and strong encryption algorithms.
However secure peer to peer communication is much more than just that.
SSL security includes, for instance, peer verification and protects
against "Man in the Middle" attacks.
"Man in the Middle" attacks don't work if the
On 26-01-2011 20:15, daniel cc wrote:
I Insist because I have no other options because I don't have
knowledge of doing it in the other way.
So, you just need to learn how to use a common web search engine and how
to make the right questions at the right places.
Reading old replies to your que
"Man in the Middle" attacks don't work if the "man in the middle"
don't know how to handle the encrypted data/protocol he is
intercepting.
True, and how do you manage that is not happening?
Can't be happening because the man in the middle can't generate valid
data, or alter intercepted data
It's easy to implement encryption but you'll have to add key exchange also and
exclude possibility of key sniffing what is quite harder.
Just start with a fixed strong password, and add to it a variable salt
that can be a hash of some of the client/server header fields. One of
this fields c
It is a very simple monitoring system.
SSL is okay for this as far as I am concerned.
As others have say to you already, just concentrate your efforts in the
development of the client and server code. Leave the data encryption to
the last stage of the project.
Starting with the SSL componen
With a stolen key that's easy.
Sure, and this is exactly what SSL try to circumvent.
But not so easy if the encrypt key is not a fixed value, but a variable
one. The attacker will need to stole the client or server code and
reverse engineering it too.
This is also valid for SSL.
No, the
On 27-01-2011 18:27, Arno Garrels wrote:
Without the certificate(s) and private key(s) he may intercept transparently
as long as he likes. When he wants to decrypt the session on the fly he
has to go thru the handshake process on behave of the victim by presenting
the stolen certificate(s), actin
On 12-02-2011 22:31, brian - wrote:
there's no option in httpcli to manually modify the headers
before a request
You can do it from the OnBeforeHeaderSend event.
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On 12-02-2011 22:31, brian - wrote:
Authorization: OAuth oauth_callback="oob", realm="",
oauth_nonce="5B2407849960FC2B4EC23007EA63E8ED",
oauth_timestamp="1297549627", oauth_consumer_key="5BZYtiAzGvQTL0ZEhAn45w",
oauth_signature_method="HMAC-SHA1", oauth_version="1.0",
oauth_signature="RjpaedDdvs6
On 17-02-2011 15:17, Francois PIETTE wrote:
Depending on the number of interested peoples, we will either send
individual emails or use another mailing list.
How about an RSS feed and a Twitter ICSSVN account? :-)
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During a relocation an intermediary RequestDone events is fired. Is this
really needed, and for what propose?
If yes, then I think it should be fired with the correct response status
code, not zero as now, so it can be clearly detected as not the final
request done even. Also, an "httpRelocating
During a relocation an intermediary RequestDone events is fired. Is
this really needed, and for what propose?
Relocation is considered as a another automatic request. You may
cancel it on the fly or simply disable the feature with
FollowRelocation property.
Yes, but if I want to follow it,
On 17-02-2011 17:18, Arno Garrels wrote:
Since we already have an internal e-mail notification sent to TeamICS
members (based on TSmtpCli) it would be easy to send another copy to
some mailing list.
How about upgrade that program to add a new entry to a RSS feed, and
post a new Twitter message?
Because ICS does not have Twitter or RSS components!
Or are you offering to contribute them?
Nothing mine, but a rapid Google search reveals this two
http://www.lakraven.com/delphi-stuff/ttwitter/
http://sourceforge.net/projects/simplerss/
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On 17-02-2011 17:38, Angus Robertson - Magenta Systems Ltd wrote:
Or are you offering to contribute them?
The Twitter component could be provided by brian - , that the other day
asked in this list about passing OAuth parameters in the request header.
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On 17-02-2011 18:50, Angus Robertson - Magenta Systems Ltd wrote:
Nothing mine, but a rapid Google search reveals this two
http://www.lakraven.com/delphi-stuff/ttwitter/
which use the Indy HTTP component, not ICS.
It's a complex component, not trivial to convert to ICS.
http://sourceforge.net/
On 17-02-2011 18:50, Angus Robertson - Magenta Systems Ltd wrote:
> http://sourceforge.net/projects/simplerss/
also use Indy HTTP, a complex XML project.
In this case the Indy stuff is used only to format datetime values, very
easy to replace.
There is also an TIdHTTP component, used only in t
On 17-02-2011 22:35, brian - wrote:
I got this working, httpcli is just working as expect, was nothing wrong
with it. I will keep that extra variable for the headers anyway, it's a lot
more convenient than the notify event.
Great, thanks for the followup.
Are you using the Indy components, for
On 17-02-2011 18:50, Angus Robertson - Magenta Systems Ltd wrote:
Nothing mine, but a rapid Google search reveals this two
> http://www.lakraven.com/delphi-stuff/ttwitter/
which use the Indy HTTP component, not ICS.
It's a complex component, not trivial to convert to ICS.
I'm already tweeting f
On 18-02-2011 13:52, Francois PIETTE wrote:
It starts to become interesting :-)
What other dependency is there ?
None
What is the license for that component ? Could it be added to ICS
distribution or ICS usermade web page ?
From what I can see, MIT License for all the code from the author
it's time for a rewrite from
scratch IMO.
And give it a different name, to bypass the "no brake early code" rule,
or some of the annoyances will have to remain. Or start a new branch of
renewed components.
And, IMHO, if technically possible, the THttpCli should mix HTTP and
HTTPS, and handle in
On 27-02-2011 16:01, brian - wrote:
Simply added deflate to the result. Without that, I don't get any data back.
Juts tested your component here, without that modification, and works
just fine. What exactly happen in your case. What data you don't get?
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You can remove the b64ASM.pas dependency using the ICS equivalent
//b64asm.Base64Encode(HMAC_SHA1_EX(SignBase,signkey));
OverbyteIcsMimeUtils.Base64Encode(HMAC_SHA1_EX(SignBase,signkey));
Probably not so fast, but not really important in this case of small
length strings.
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On 27-02-2011 17:18, brian - wrote:
use an alternate method to wont require the user to visit the twitter site
to get the PIN code, the app will simulate a browser login, catch the
cookies and proceed to auth on its own to retrieve the PIN.
This will work until twitter decide to change these htm
On 27-02-2011 18:39, brian - wrote:
I like it tbh, even with the
annoyance of havign to login and retrieve the pass for the user, it's only
required once.
As I said, Twitter don't require the PIN, so you can ignore that step.
User only need to authorize the application, and forget about the PI
On 27-02-2011 19:29, brian - wrote:
I don't really like the idea of embedding the TWebBrowser object, bulky and
buggy activex stuff.
The WebBrowser control works very well for this simple "navigate to a
page" task.
If you want to test, just replace your RequestPIN code with the next one.
On 27-02-2011 23:31, brian - wrote:
I added the ShellExecute import to avoid adding another unit; I rather
not include entire units for things where I need only a couple procs and
such, it adds up to the exe unnecesarily.
The smart linking feature should work ok for the shellapi unit.
As for
On 01-03-2011 10:06, A Drent wrote:
I've looked into the usermade page, but which sample do you refer to?
HTTPCLIEXAMPLE.ZIP ?
ICS_WebInterface.zip
This one may help too
http://users.telenet.be/ws36637/
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Isn't the CtrlSocket.State reliable to know if a connection is still on?
I'm trying to reuse an THttpCli, but I'm getting 10053 errors if a
persistent connection is idle for some time, I suppose the server
keepalive timeout.
The ICS THttpCli code check this CtrlSocket.State property, to try to
On 07-03-2011 06:31, Arno Garrels wrote:
That's sounds like a bug. I would expect that THttpCli is reset to
default values after that error?
I don't see any reference to "10053" in any of the ICS code, so I
suppose this situation is not being handled internally by the THttpCli.
Because the THttp
On 07-03-2011 06:31, Arno Garrels wrote:
TWSocket property KeepAliveOnOff may be used to setup winsock to send
keep-alive packets in the background in order to detect such brocken
connections, however that's not reliable since both peers must support
it and routers have to route the keep-alive pa
On 17-03-2011 17:12, FrancoGG wrote:
the application's memory usage keeps increasing every time a user connects
If you are using a custom THttpConnection, check if you are missing to
free any of its owned objects in its destructor method.
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On 18-03-2011 17:03, zayin wrote:
It all shows up fine but when the user hits the accept button I get back the
'Tagname' with the added '+
' symbols " Stop+Pump+CRT". Why not just " Stop Pump CRT"?
http://www.cs.cf.ac.uk/Dave/PERL/node201.html
Use ICS ExtractURLEncodedValue function to decode t
On 11-04-2011 16:49, Francois PIETTE wrote:
I don't know if there's a better way
That is fine.
So the HttpCli built-in timeout is not enough?!
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Delphi HTTPApp unit, function HTMLDecode
Hi all,
I need to convert text that uses special HTML encoding such as "&" or
" " to their corresponding charachter.
Do any of you know if such function exists?
'Cause at the moment I'm thinking of writing it myself but it's gonna take
quite a while...
If this is HTML related, why you use "XML" in the names?!
Why not use the faster, and memory efficient, HTTPApp.pas code methods?
Ok, I took your example and created a (I suppose) complete encode-decode
unit.
Daniele
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Anyway I never though names would be a problem in a non official unit...
Official or not, function names should reflect the propose, or readers
will fail to find it, of find wrong code for what they are looking for.
Anyway, I was just digging to see if something else was behind this
incorrec
You just need to put your Server application accessible from the
Internet, opening the used TCP port in the firewall, and routing it
(port forwarding) in the router that that PC use to connect to the
Internet.
Your Clients should then connect to the public IP of that router.
It's exactly the sa
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