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sockets in MFC

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  • H hrishiS

    Hi to All, First of all thanks to all for replies to my previous post. I am going to do an simple chat application on a network(LAN).Using MFC.I wanted an advice whether to do it as dialog based, SDI or MDI? The application should be more or less the same as GTalk Please advice for both client and server. Thanks in Advance I am a beginner

    S Offline
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    SandipG
    wrote on last edited by
    #17

    This article Chat Client/Server[^] might help you to get started.

    Regards, Sandip.

    E 1 Reply Last reply
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    • E Eytukan

      Let me explain you that one, 1.Do not start with Dialog or Doc/View conversation. First think about implementing your chat/messaging mechanism. I guess you have been coming around MFC sockets. If you ask me, I'm not for it.I did not like to work with it. You can directly use winsock2. 2. Write a simple TCP client server application in console mode. Once you find the application running and you are clear with the idea, make a simple class that takes care of simple functionalities like connecting, sending & accepting messages. 3. First try for single client-server application. When you are comfortable with it you can move to Multi-client application that would involve threading in most cases. 4. Now you are clear with Sending & receiving messages using winsock. 5. For server part, you can ultimately go for windows services implementation, but to start with I do not recommend it. Because as you are a beginner, you will have to trouble shoot a lot of things at first. So just make it a console server. Where you'll be able to view the messages going across. 6. For client, you can have it as Dialog application, but again it's just based on the need. You can even go for SDI if you want to make use of Serialize-Archive functionality of the document. It could be useful when you save down your chat conversation. 7. Did I answer you?

      He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

      H Offline
      H Offline
      hrishiS
      wrote on last edited by
      #18

      A sincere thanks for your reply Got lots idea from you.Specially the steps i should follow. it sounds very professional.

      VuNic wrote:

      You can directly use winsock2.

      what is winsock2? is it for MFC? is there any advantage on normal socket functions like listen/bind/createsocket etc (which I have worked on little bit). I am a beginner

      modified on Monday, March 9, 2009 9:34 AM

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      • H hrishiS

        here is one more doubt of me. How can we broadcast a message actually using MFC socket programing. Is it a for loop and send to each one. Or any syntax is there to broadcast a message to all in a network or may be a set of IP address. I am a beginner

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        Nishad S
        wrote on last edited by
        #19

        That is something with Datagram Sockets...

        - ns ami -

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        • C Code o mat

          I think you can but i have never worked with access so i can't help you with it. Plan your chat-protocol carefully, remember that your clients will probably need to be notified of certain events like someone going offline or coming online...

          > The problem with computers is that they do what you tell them to do and not what you want them to do. < > Life: great graphics, but the gameplay sux. <

          H Offline
          H Offline
          hrishiS
          wrote on last edited by
          #20

          oh ya that could be also one more problem. I haven't thought about it only. But I guess we can broadcast a special message(going offline) to all. Instead of events notifications. Am I correct? I am a beginner

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          • H hrishiS

            A sincere thanks for your reply Got lots idea from you.Specially the steps i should follow. it sounds very professional.

            VuNic wrote:

            You can directly use winsock2.

            what is winsock2? is it for MFC? is there any advantage on normal socket functions like listen/bind/createsocket etc (which I have worked on little bit). I am a beginner

            modified on Monday, March 9, 2009 9:34 AM

            E Offline
            E Offline
            Eytukan
            wrote on last edited by
            #21

            himangshuS wrote:

            what is winsock2? is it for MFC? is there any advantage on normal socket functions like listen/bind/createsocket etc (which I have worked on little bit).

            lol. winsock is called - normal sockets. MFC just wraps around. You will get better understanding if you go for winsock API. I don't force you to leave MFC, but that's not my choice when it comes to sockets. Nishant Shivakumar has a neatly written TCP client server application. I'd recommend you to start with that. wait let me check it.

            He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

            1 Reply Last reply
            0
            • H hrishiS

              A sincere thanks for your reply Got lots idea from you.Specially the steps i should follow. it sounds very professional.

              VuNic wrote:

              You can directly use winsock2.

              what is winsock2? is it for MFC? is there any advantage on normal socket functions like listen/bind/createsocket etc (which I have worked on little bit). I am a beginner

              modified on Monday, March 9, 2009 9:34 AM

              E Offline
              E Offline
              Eytukan
              wrote on last edited by
              #22

              Clikt[^]

              He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

              H 1 Reply Last reply
              0
              • S SandipG

                This article Chat Client/Server[^] might help you to get started.

                Regards, Sandip.

                E Offline
                E Offline
                Eytukan
                wrote on last edited by
                #23

                lol the author of that article has taken screen shots of those widows with his junk desktop on the background!

                He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

                1 Reply Last reply
                0
                • H hrishiS

                  oh ya that could be also one more problem. I haven't thought about it only. But I guess we can broadcast a special message(going offline) to all. Instead of events notifications. Am I correct? I am a beginner

                  C Offline
                  C Offline
                  Code o mat
                  wrote on last edited by
                  #24

                  How would you broadcast that?

                  > The problem with computers is that they do what you tell them to do and not what you want them to do. < > Life: great graphics, but the gameplay sux. <

                  1 Reply Last reply
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                  • E Eytukan

                    Clikt[^]

                    He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

                    H Offline
                    H Offline
                    hrishiS
                    wrote on last edited by
                    #25

                    thnaks could you please tell me if my design is correct. server ->Maintains a list of Ip_Address-user. Always in listen mode, so that if someone ask for the list it sends it. -> If the admin adds a new user, he will re-send the list to all (but I am not sure, how to do it,when if the clients are busy sending message. should i restart all or do something) client -> on boot/application start, it request server and get the list(His IP-username should be present in the list). And sends a message that he is online to all. ->if he goes offline- he will notify everyone and the go offline. so basically only those people who are listed in the server by admin can only chat

                    E 1 Reply Last reply
                    0
                    • H hrishiS

                      thnaks could you please tell me if my design is correct. server ->Maintains a list of Ip_Address-user. Always in listen mode, so that if someone ask for the list it sends it. -> If the admin adds a new user, he will re-send the list to all (but I am not sure, how to do it,when if the clients are busy sending message. should i restart all or do something) client -> on boot/application start, it request server and get the list(His IP-username should be present in the list). And sends a message that he is online to all. ->if he goes offline- he will notify everyone and the go offline. so basically only those people who are listed in the server by admin can only chat

                      E Offline
                      E Offline
                      Eytukan
                      wrote on last edited by
                      #26

                      Your questions are at times too open & wide. :sigh: Try with simple implementation, once you get the picture you can design your complete application.

                      He never answers anyone who replies to him. I've taken to calling him a retard, which is not fair to retards everywhere.-Christian Graus

                      1 Reply Last reply
                      0
                      • H hrishiS

                        Hi to All, First of all thanks to all for replies to my previous post. I am going to do an simple chat application on a network(LAN).Using MFC.I wanted an advice whether to do it as dialog based, SDI or MDI? The application should be more or less the same as GTalk Please advice for both client and server. Thanks in Advance I am a beginner

                        S Offline
                        S Offline
                        ShiXiangYang
                        wrote on last edited by
                        #27

                        I have just write some code for your question. I hope it will give you any help.But I cannt submit one article. Can you tell me your E-mail? I will send to you.

                        modified on Tuesday, March 10, 2009 3:30 AM

                        H 1 Reply Last reply
                        0
                        • S ShiXiangYang

                          I have just write some code for your question. I hope it will give you any help.But I cannt submit one article. Can you tell me your E-mail? I will send to you.

                          modified on Tuesday, March 10, 2009 3:30 AM

                          H Offline
                          H Offline
                          hrishiS
                          wrote on last edited by
                          #28

                          oh thanks a lot.... himangshu_802@yahoo.co.in I am a beginner

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