Interested in people's opinion. You have an application server running 3/4 services that do lots of TCP based communication to/from the server. There is also a fairly heafty amount of MSSQL work going on too. Do you run something like Symantec Anti-Virus with proactive/real time/heuristic/foo protection on the server? Or do you per...
I have this strange problem all day now. I dunno if you handled something similar. I used two different serializers and now i know its not this problem. Im sending some data over TCP Sockets. Serialize -> Send -> Deserialize, everything works ok, i can get my objects search through them, use they're properties! But, if e.g receive a Bus...
Hello, My team is using the microblaze and we're having some trouble with the ip stack. I am usually not an embedded programmer but I would like to learn how to help. Are there any tutorials about IP stacks? What are they? How are they programmed? How can I troubleshoot problems in the IP stack? Basically any info would help me. Thank...
Is there a managed class/method that would provide the TCP port number(s) used by a particular Windows processes? I'm really looking for a .NET equivalent of the following CMD line: netstat -ano |find /i "listening" ...
Hi, First time in Stackoverflow and I'm hoping someone can help me. I'm looking at a proof of concept to pass RDP traffic through a TCP Proxy/tunnel which will pass through firewalls using HTTPS. The problem has to do with deploying images to machines and so it can't be assumed that the .NET framework will be present, so C++ is being...
We're seeing ConnectException with message "Connection refused" sporadically appearing at times when connecting to our Tomcat server. Could these be caused by long GC cycles? (We're activating up the relevant JVM flags to get more log messages on GC cycles, but I thought to ask this here anyways) ...
I have written a TCP server implementation using which I created an application which works as TCP echo service. Now I want to test this echo server in terms of How many connections it can handle What is the response time How much memory and CPU it uses Please can you suggest any standard method/tools to test this echo server. I und...
I have a WCF server that exposed an interface that has a call-back interface it uses to send events to the clients. I rather not mark all the methods on the call-back interface as “OneWay”, as it make error tracking and logging harder. The client is written in WinForms, so the call-backs will not be processes until after the call to t...
Can I expose more than one WCF service (interface) over the same port and have a single client connect to both services with different TCP connections? I need the two services to be independent of each other, so that the response to an outstanding message on the channel to one service does not get blocked by a call-back from the other s...
I've setup a simple TCP file transfer. Everything appears to work OK, except for the received file size is sporadically a smaller size than the file that was sent. There doesn't appear to be any pattern to the size of the received file. (in the code below, note that the typical client/server rolls are reversed) My client code is like...
I need a C++ STL (iostream, string, etc.) based tcp socket client / server. Does anybody know such library? ...
Is there a simple way to send objects between applications using C#? The objects will not always be the same, there would be (for example) a "Request" and "Response" class and each side of the connection would have a sort of switch statement which decides which object has been received. Is there a simple way to achieve something like th...
Hi, what is the size of an empty UDP datagram? And that of an empty TCP packet? I can only find infos about the MTU, but I want to know what is the "base" size of these, in order to estimate bandwidth consumption for protocols on top of them. Thanks in advance for infos. ...
I have a Java Client which sends UTF-8 strings to a C# TCP-Server, I'm using a DataOutputStream to send the strings. The code looks like this: public void sendUTF8String(String ar) { if (socket.isConnected()) { try { dataOutputStream.write(ar.getBytes(Charset.forName("UTF-8"))); dataOutputStream.flush(); } catch (IOException ...
I need to upload images to a webserver and each image will have additional information that I'm thinking of encapsulating in an xml file. I am thinking of using FtpWebRequest and FtpWebResponse. Bue to bandwidth issues I will probably queue each image (with its associated xml file) and transfer them 1 at a time To get the best perform...
I have an existing C program which prints a number of messages to standard error using: fprintf(stderr, ... I would like to modify this program so that these messages are also sent out over a TCP connection across the Internet. (Which I have already created as a SOCK_STREAM socket.) What's the best way format the messages like they wo...
I have a java process on machine A communicating with a Tomcat on machine B via TCP. The TCP connect (just the syn-syn/ack exchange) takes on the order of 100 ms consistently, while a ping request takes 1 ms (the serves are on the same LAN). What could cause the increased delay in establishing a TCP connection? How do I optimize it? ...
Hi Is there a possibility to read out the TCP "MSS" option header of a Connections SYN packet or is this buried too deep in layers of layers of layers ? Thanks ...
I am using the TcpClient class in C#. Each time there is a new tcp connection request, the usual practice is to create a new thread to handle it. And it should be possible for the main thread to terminate these handler threads anytime. My solution for each of these handler thread is as follows: 1 Check NetworkStream's DataAvailable ...
Hi! I currently participate in a project where we/the applicaition need to be able to discover other instances of the application with the same application name running on a LAN (henceforth called Node). Prerequisites: All Nodes know their own IP address and TCP port number All Nodes have a name All Nodes have access to the LAN What I...