I have this code below for a client module, to allow the client to connect to multiple servers, though a IP list. The problem is that it is connecting ok to the servers, and it is sending messages to servers, but is not receiving messages FROM servers.
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connect with same type 2 servers on different destination from single client
View 8 RepliesI have to connect same type of remote objects on different destination using .net remoting. For example, I have a database access middle layer on a remote server and local server. But both are same type object. but the remote destination addresses are different. So how to connect it using .NET Remoting?
View 1 RepliesI don't really know how to code but am pretty good at tweaking. I'm trying to set up a script that I can run to delete a single file, multiple files, a folder or multiple folders on a list of servers.I was thinking that the script could read the files to be deleted from a .txt file and apply the deletion to a list of servers in another .txt file.Example:
FilesToBeDeleted.txt:
\(insert_server_name_from_list)c$Program FilesBINexample_file.rpt
or
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I am trying to remotely connect to servers on a network. However, an exception occurs and I can never connect. The code I am using to connect to the servers does work because I have had someone else test it. The exception is shown below. Is this a setting with VB or with my computer?
System.Runtime.InteropServices.COMException was caught
ErrorCode=-2147220308
HelpLink="C:Program FilesPIPCPISDK..Helppisdk.chm"
Message="The specified time is invalid "
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My system is connected Trhough LAN..
totally four systems connected. and all systems having MS SQl server installed in it.
now i need to retreive that - which all server's i can connect to..?
I'm working on a little script to automate tasks across 12 servers, that are all on the same domain and have a similar setup. The tasks are to create a new folder, to then copy contents off the network into it, and to create a virtual directory in IIS 6 pointing to it. Ideally I'd like to log errors but that's a later concern. My approach was to write a VB Script to connect to WMI on each server in an array, then use it to run off a batch file. While the VBS works if I tell it to create a folder directly, it does not run (any part of) the batch file, nor give me any errors.[code]...
View 2 Repliesi have a form where i wanted to open multiple socket connects to multiple servers. i defined "clientsocket" as a socket array
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The problem I have is: When I click on cmdListen in the server form and cmdConnect in the client form,both programs won't respond and they crash for some reason I don't know.
Client source code:
Code:
Imports System.Net.Sockets
Imports System.Text
Public Class Form1
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Code:
Imports System.Net.Sockets
Imports System.Text
Public Class Form1
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I didn't make this code but can someone explain to me how to add more than one client to communicate to add to this code?e.g 3 people to talk or is it not possible?
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I'm setting up a basic TCP client/server system and I'm wondering how the back-and-forth communication should ideally work. In my specific situation, the client will have to submit login credentials, and make specific requests from the server (the server interacts with a remote database).Here is what I would THINK to do.. and I'm just looking from input from other devs.
SERVER: Wait for new connections
CLIENT: Connects to server
CLIENT: Once connected, send login credentials with an instruction code.
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And another scenario.. let's say the client wants to request a log of what's happened on the server recently (the text of a console application window).
CLIENT: Send request message to server for recent log
i.e. $REQ$,105
SERVER: If instruction = $REQ$ and request id = 105, get window text and send to client
i.e. $DATA$,105,<data here>
CLIENT: If instruction = $DATA$ and data id = 105, parse data and display to user
The data being requested could be plain text, or a .net datatable translated into XML, etc. It could be a variety of things.
I have been searching far and wide for knowledge regarding how to make a server program with a client program.Think like Msn ( Messenger ) You have the client and you send a message which is then send through the client to the server, and then to some other client (a friend might be ).I want to make a semilar program where ill make the server and the client myself, i just need a hint or two to get started.
View 1 RepliesI have started to learn how to use the TcpListener class to create a server/client chat facility, But im having some issues as to how to perform this at the moment i have the following code for the server.
Dim counter As Integer
serverSocket.Start()
ListBox1.Items.Add("Server Started!")
counter = 0
While (True)
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Client Accepted (I understand would most likely need a new thread for each client who is accepted, Once accepted , Return to the main loop to check for more clients.) No Client Connecting I understand that this may have to be done in a thread but ive not looked into using a seperate thread for this to infinitely run.
Im trying to check multiple services on different servers. The idea is that every time a client clicks on a checkbox for the specific server and press the "check service" button it will check the status on the service and if it's not running it will restart the service and so on for the rest of the servers.[code]
View 2 RepliesI am trying to reset IIS on a set of servers all at one time instead of looping through and resetting each one individually, but I can't seem to figure out how to do it.[code]...
View 4 RepliesDeveloping an application that will serve as an application server (Similar to 'Run Advertised Program' that is present in Windows Server). The downside to using Microsofts current system is that it a) requires Windows Server and b) Works only with systems setup in a proper Domain. I have a number of systems in my house and I'm fed up of downloading from the net or setting up network drives etc etc. I've tried using the code in a similar topic posted a few threads down, but it obviously doesn't support multiple client connections.
View 9 RepliesWell first off let me say I am not sure if this should be in network or game programing but I think network programing is more relevant.
Anyway
I am creating my first game that runs over a network and so far everything is working. I have a server program, the clients can connect and see each other flying around. (weeeee)
However I have hit a wall when trying to make them shoot. The most easy way I can think to do this, is to have the client tell the server �hay i need a bullet pointing at x angle moving at y speed� the server then spawns a bullet entity then sends a spawn entity packet to all the clients. The main problem I see with this, is that the clients gun will have a delay based on latency.(funValue -= 1000)
The only other way I can think to do this, is to have some fake bullets spawn on the client but when the client gets the spawn bullet packet from the server, I am not sure how to keep track of what fake bullets to delete.
after my last post i dove into remoting to try to solve my performance problem in a client-server fashion.
This works very well, but i come across a big problem which i don't seem to get solved.
I made a well known singleton servicetype on the server that retrieve all customers. Whith 1 db connection this works fine. But very often customers and i use in 1 sql instance multiple databases (for each administration a separate db). so the whole purpose of a singleton object is hereby destroys as soon i connect in my class to a different db. Is there some way to overcome this for example threading or running multiple servers (for each db it's own server-application)?
my code to read from serial port and store it in a variable?
Public Class Form1
'SerialPort object creation
WithEvents mySerialPort As New IO.Ports.SerialPort
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After three days research, I'm having trouble finding a simple sample app that will work as a server and wait for an ethernet connection request. When it gets one, it should complete the connection, then wait for another connection request.
View 1 Repliesi have made tcp connection to this webpage using tcpclienti can send commands like GET /Pagename.aspx to get the htmlnow is it possible that from webpage.aspx i can get the connected client stream and write to it and tcpclient gets that data ?
View 1 RepliesI have 2 servers that produce xml files and store them locally on their hard drives.Im not to sure what would be the best way to make these details viewable from any machine on the same network?I have created a asp.net web page which reads and displays the xml files. It does it fine locally, but would i have to host it on a dedicated web facing server so that it could display information from the 2 different servers on the network?
View 1 RepliesI want to make a simultaneous connection to multiple servers with threads, only to create a single connection.
Imports System.IO
Imports System.Net.Sockets
Imports System.Text
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can i in some way change the power that the usb sends to a usb device?i want to connect a computer fan to the usb and control the speed is this posible??
View 1 RepliesI am working on a client/server based application and I have run into quite a few snags stumbling my way through I have resolved quite a few issues, and need help with something new. I am using a TCPIP client/server and I find that at the end of each loop when I am reading the data from the network stream it appends a character to the end. I have tried removing the last character but I am not sure if it is getting the whole character successfully because I still get lots of different errors both in binary and xml deserialization whcih I think is related to this. Does anyone know the ascii code for the termination character for TCPServer/Client communications?
View 15 Repliesim trying to make a program that connects to several websites and parses some information out and then add the information to a listview list.The listview have 2 columns: Site and Nuts. So i load a bunch with urls in the site columns (that isnt a problem) but the problem is to take 5 websites at the same time and connect to them and then write "OK" in the Nuts columns.
In VB6 i could easily make 5 sockets, and then move down five items in the listview, save each of the listview text to a variable and connect to each variable with different socket, but how i add the information to the column "Nuts" is also a challenge in vb6. In the other hand, in vb.net i haven't yet got the skills to do so.
Anyone know anymore .DLL Files that are like this?
HTTP client component for communicating with HTTP servers. [URL]
Im looking for something that acts like Web Browser Control But it is not. It should be like HttpWebRequest Class But handle the stuff properly like a Web Browser Control Does.
So i found Chilkat HTTP .NET
I have created a Client that can send and receive data via TCP sockets. The objects stored on the serverside are the *exact* same object used for the client. They use the same send and receive protocols.
Now, when i send a string from the server to the client , it does precisely what it should do. However when I send a string to the server.... I do receive the string as an equal length of NULL characters. I run the server and client locally.
Basicly what can influence the behaviour between two completely identical objects performing the exact same task? I wonder if there is some socketflag issue if the TCPlistener.accept function returns a completely different setup then the one I R used to.
(if it is of any interest, the send protocol is asynchronious)
I have been struggling to find a solution for this problem. What I need to do is build a server application that accepts tcp client requests from different clients running on same port say:1003. I experimented by using asynchronous mode call backs etc. but it disconnects once connection is established and does not respond for further requests from the same client.
View 1 RepliesWhich should be selected?
Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;
or
Data Source=190.190.200.100;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;