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Example # 1. Dan Rasch - because if the human species concentrated on the really important things in life, there would be a shortage of fishing poles! On the Server (AS400 production machine), we have an ILE RPG program, using C prototypes, acting as the server module. On the Client (AS400 development machine), we have an ILE RPG program, using C prototypes, acting as the client module. They both are using TCP/IP Sockets for the communications between the machines. We are sending and receiving a buffer of data that is 2048 in length. The problem that we are having seems to be on the Server (AS400 production machine). When we receive the buffer on the Server, it does / does not get the entire buffer in one receive process. We have added code to perform an additional receive when it does not get the entire buffer in the first receive. The following is what is printed from the server module during the execution of this process on the AS400 production machine. The client module is on the AS400 development machine. Opened Tcp/Ip Port#: 0000010001 Listening on Port#: 0000010001 Reading, client Received Request: 1 ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: One Rtncd = 0000002048 Reading, client Received Request: 2 ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: Two Rtncd = 0000002048 Reading, client Received Request: 3 ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: Three Rtncd = 0000002048 Reading, client Received Request: 1 ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: One Rtncd = 0000002048 Reading, client Received Request: 2 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: Two Rtncd = 0000002048 Reading, client Received Request: e ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: Bad...Rtncd = 0000002048 Reading, client Received Request: eoj ACTION = LEN = 0000002048 Rtncd = 0000001404 first receive Received Request: ACTION = LEN = 0000002048 Rtncd = 0000000644 second receive Sent back: ok Rtncd = 0000002048 Closing Client Closing Server As you can see it does / does not receive the entire buffer on one receive process. Example # 2. In this example we are running the Server module on the AS400 development machine and the Client module on the AS400 production machine. We are sending and receiving the same buffer of data that is 2048 in lenth. As you can see, the server module receives each send as one 2048 buffer. The following is what is printed from the server module during the execution of this process on the AS400 development machine. The client module is on the AS400 production machine. Opened Tcp/Ip Port#: 0000011001 Listening on Port#: 0000011001 Reading, client Received Request: 1 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: One Rtncd = 0000002048 Reading, client Received Request: 2 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: Two Rtncd = 0000002048 Reading, client Received Request: 3 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: Three Rtncd = 0000002048 Reading, client Received Request: 1 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: One Rtncd = 0000002048 Reading, client Received Request: 2 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: Two Rtncd = 0000002048 Reading, client Received Request: 3 ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: Three Rtncd = 0000002048 Reading, client Received Request: eoj ACTION = LEN = 0000002048 Rtncd = 0000002048 received ok Sent back: ok Rtncd = 0000002048 Closing Client Closing Server As you can see it does / does not receive the entire buffer on one receive process. We have executed both the server and client modules on each of the machines and they perform correctly every time. We have reviewed both the ILE RPG and C modules to insure that all buffers are set to 2048. The problem is that we should not have to do multiple receives to get the entire buffer of information that is being sent. At this point we are in need of assistance in the resolution of this problem. Sorry for the tag line appearing out of order..... +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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