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by: coder_1024 |
last post by:
I'm trying to send a packet of binary data to a UDP server. If I send
a text string, it works fine. If I attempt to send binary data, it
sends a UDP packet with 0 bytes of data (just the headers). I can see
this because I'm running Ethereal and watching the packets.
I'm defining the packets as shown below:
$text_msg = "Hello, world\r\n";
$binary_msg = chr(0x01).chr(0x02).chr(0x03).chr(0x00).chr(0xA0);
$binary_msg_size = 5;
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by: David |
last post by:
I'm wondering if python is capable of fairly precise timing and also sending
data out the parallel port.
For example ; making a 7.5 KHz square wave come out of one of the data pins
on the printer port.
I've tried to help myself with this one but searching in the "Python Library
Reference" that installed with my version, yielded
nothing on the subject of either timing or parallel port.
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by: Robert A. van Ginkel |
last post by:
Hello Fellow Developer,
I use the System.Net.Sockets to send/receive data (no
tcpclient/tcplistener), I made a receivethread in my wrapper, the
receivethread loops/sleeps while waiting for data and then fires a
datareceived event.
Within the waitingloop there is a timeout function, but I want the the
'last-time-socket-used' variable set when the socket is finished sending.
When I send by System.Net.Sockets.Socket.Send(buffer()) (<--this...
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by: yaron |
last post by:
Hi,
I have a problem when sending data over TCP socket from c# client to java
server.
the connection established ok, but i can't send data from c# client to java
server.
it's work ok with TcpClient, NetworkStream and StreamWriter classes.
but with low level socket it doesn't work (When using the Socket class Send
method).
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by: Sells, Fred |
last post by:
I'm using MSW XP Pro with Python 2.4 to develop but production will be Linux
with Python 2.3. (could upgrade to 2.4 if absolutely necessary) I can also
switch to Linux for development if necessary.
I am writing some python to replace proprietary software that talks to a
timeclock via UDP.
The timeclock extracts the sending port from the UDP header and uses that
for all response messages.
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by: D. Patrick |
last post by:
I need to duplicate the functionality of a java applet, and how it connects
to a remote server. But, I don't have the protocol information or the java
source code which was written years ago. So, I used a packet sniffer and
saw the protocol (TCP), the port, IP address, etc. All is good. I tried 2
different versions of .NET code to duplicate the requests to the remote
server. Again, I used the packet sniffer and my packets seemed...
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by: Miro |
last post by:
VB 2003
at the end of the code, this works great.
bytCommand = Encoding.ASCII.GetBytes("testing hello send text")
udpClient.Send(bytCommand, bytCommand.Length)
and this recieves it
Dim strReturnData As String = _
System.Text.Encoding.ASCII.GetString(receiveBytes)
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by: =?Utf-8?B?Q2hhcmxpZQ==?= |
last post by:
Hi,
This apparently is a common problem and I've yet to read a solution that
actually works for my specific situation.
I have a Zebra RW220 printer that I connect to via Bluetooth connection
mapped to a serial port. The application I'm writing runs on a Windows Mobile
5 device, so there's no built in printer support and I have to use a serial
port.
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by: =?Utf-8?B?R3JlZ0lJ?= |
last post by:
Hi All,
I have some problems with sending UDP packets using Winsock. I tried to send
some to a closed port, and according to the documentation on Microsoft MSDN
site (http://msdn.microsoft.com/en-us/library/ms740148(VS.85).aspx)
subsequent calls of sendto function should result in returning WSAECONNRESET
error code caused by returning ICMP destination unreachable message.
My problem is that I do not see such effect, the sendto always...
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by: happyse27 |
last post by:
Hi All,
I am trying for weeks how to send email from windows pc, which from my gmail account to my hotmail account. Using net::smtp module sending email failed,Kindly assist. (for the item d it is working for normal email servers, but NOT with gmail server, I am very puzzled still!!)
Codes(item c below) It keeps complaining and logs and codes are below.
a) apache access logs
---------------------------------
127.0.0.1 - - "GET...
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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...
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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,...
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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...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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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();...
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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...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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