What is the best way to write the following application:
The Main GUI thread will try to send packet to other side in the
network, it could be very slow network or very fast network. How can i
ensure that the sending packet will not miss and the program is
effective?
I tried to use Socket::Send to send data, but if it is in a very slow
network, then it will block the main GUI for responding, right? Then
How can i acheive this purpose?
The packet the program needs to send is about 256kbyte per one and
send in 25 time per seconds.
Thanks 2 1347
A GUI is a user interface. Its purpose is to provide interaction between the
user and the application. It is not intended to *do* any work, but should
provide an interface to the objects that do the work. So, first of all, your
GUI should not be trying to open a Socket or send anything. It should only
instruct the business object(s) to do so. It is also single-threaded.
Once you've separated the User Interface from the business classes, it's a
relatively simple matter for your business classes to run the Socket process
in a separate thread.
--
HTH,
Kevin Spencer
Microsoft MVP
Printing Components, Email Components,
FTP Client Classes, Enhanced Data Controls, much more.
DSI PrintManager, Miradyne Component Libraries: http://www.miradyne.net
<li*********@ya hoo.com.hkwrote in message
news:11******** *************@z 28g2000prd.goog legroups.com...
What is the best way to write the following application:
The Main GUI thread will try to send packet to other side in the
network, it could be very slow network or very fast network. How can i
ensure that the sending packet will not miss and the program is
effective?
I tried to use Socket::Send to send data, but if it is in a very slow
network, then it will block the main GUI for responding, right? Then
How can i acheive this purpose?
The packet the program needs to send is about 256kbyte per one and
send in 25 time per seconds.
Thanks li*********@yah oo.com.hk schreef:
What is the best way to write the following application:
The Main GUI thread will try to send packet to other side in the
network, it could be very slow network or very fast network. How can i
ensure that the sending packet will not miss and the program is
effective?
I tried to use Socket::Send to send data, but if it is in a very slow
network, then it will block the main GUI for responding, right? Then
How can i acheive this purpose?
The packet the program needs to send is about 256kbyte per one and
send in 25 time per seconds.
Thanks
As a side note, are you aware you're talking about 6.4megabytes per
second? While this is not a problem over a LAN, if you're intention is
to do this over the internet then you'll probably run out of bandwidth.
To make sure the package has arrived, you'll have make the receiver send
and acknowledgment package. If that doesn't arrive within the specified
time out, you'll know something is wrong.
--
Rinze van Huizen
C-Services Holland b.v This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
by: pyguy2 |
last post by:
Issues of socket programming can be wierd, so I'm looking for some
comments.
In my python books I find exclusive use of socket.close(). From my
other readings, I know about a "partial close operation". So, I figured
it would be useful to post some code about how socket.close() has an
implicit send in it and you can actually gain some clarity by being
more explicit with the partial close which means splitting
socket.close() up into...
|
by: John Sheppard |
last post by:
Hi all,
I am not sure that I am posting this in the right group but here it goes anyway. I am new to socket programming and I have been searching on the internet to the questions I am about to pose but have been unsuccessful in finding the answers so far. Either because my understanding of sockets isn't where it needs to be or my questions are too basic.
My programming environment is Windows XP, Visual Studio .NET 2003 and C#.
So here it...
|
by: John Sheppard |
last post by:
Thanks to everyone that responded to my previous Socket Programming question. Now I have run into some behavior that I don't quite understand.
Programming environment. VS.NET 2003, C#, Windows XP.
About the architecture:
I have a socket server dll that contains a class that handles connections for a given local ipaddress and port. This class(server) can be started or stopped by calls to the appropriate functions. The server class has...
|
by: mscirri |
last post by:
The code below is what I am using to asynchronously get data from a
PocketPC device. The data comes in fine in blocks of 1024 bytes but
even when I send no data from the PocketPC constant blocks of 1024 with
all values set to Null arrive. Other than examine a block of 1024 to
see if the entire block is null, is there any other way to determine if
, say a chat message "Hi Charlie" has been received completely?
|
by: djc |
last post by:
I read a network programming book (based on framework 1.1) which indicated
that you should 'never' use the RecieveTimeout or the SendTimeout 'socket
options' on TCP sockets or you may loose data. I now see the
socket.RecieveTimeout 'property' in the visual studio 2005 help
documentation (framework 2.0) and it has example of it being used with TCP
socket. This propery is also listed as 'new in .net 2.0'.
1) is the socket.RecieveTimeout...
| |
by: Uma - Chellasoft |
last post by:
Hai,
I am new to VB.Net programming, directly doing socket programming. In C, I
will be able to map the message arrived in a socket directly to a structure.
Is this possible in VB.Net. Can anyone please help me with some sample
codings and guidance?
Can you also suggest some other news group available for socket programming
in VB.Net?
|
by: atlaste |
last post by:
Hi,
In an attempt to create a full-blown webcrawler I've found myself
writing a wrapper around the Socket class in an attempt to make it
completely async, supporting timeouts and some scheduling mechanisms.
I use a non-blocking approach for this, using the call to 'poll' to
support the async mechanism - rather than the 'begin' and 'end'
functions. I already found that connecting doesn't set the
"isconnected" variable correctly...
|
by: shonen |
last post by:
I'm currently attempting to connect to a shoutcast server
pull down the information from here and then I'll parse it.
I got this working with the httplib, which was great, the problem is I want to use the select statement to do only do this periodically. (I'm trying to be a client, accepting data, that might be my first problem)
Basically this is the code that im working on to TEST to mimic what the httplib does, only return a socket...
|
by: =?Utf-8?B?Sm9obg==?= |
last post by:
Hi all,
I am new to .net technologies.
ASP.NET supports socket programming like send/receive in c or c++?
I am developing web-site application in asp.net and code behind is Visual
C#. In page_load event, I am using atl com component. Here one for loop is
there. In this for loop, number of iterations are 1000, I can receive some
data using com component. It is just set of some characters like
|
by: Stuart |
last post by:
I am in the process of teaching myself socket programming. I am
"playing around" with
some simple echo server-client programs for m the book TCP/IP Sockets
in C.
The Server program is:
#include "TCPEchoServer.h" /* TCP echo server includes */
#include <pthread.h /* for POSIX threads */
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
| |
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
|
by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
| |
by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
|
by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
| |