When using multi-threading implementation the client file transfer, the final number of program seems to transfer files at run time, but after the transfer to go to the transmission of the file, find the file format is correct, the file size is correct, but is ask file cannot be preview, tried many types of files, is like this, looks like the file damaged, can you tell me where the problem is?
File md5 code found completely changed,

CodePudding user response:

Sure transmission error or block logic problems

CodePudding user response:

Like this should transmit binary file?

CodePudding user response:

First to send a small file, easy to find the problem in where

CodePudding user response:

How can you determine the file format is correct, you are using a serial port, USB port or network, I think I may be lost when you transmit data packets,