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9072 :: net: recv/readLine: How receive more one line or not waiting for fill buffer size?

[2022-04-03T08:03:16+02:00]

thegrapevine (orginal) [2022-04-03T08:03:16+02:00] view original

If I use readLine I just receive one line from server, but if I use recv, I need wait server fill entire buffer for receive it. But I just want receive all disponible buffer.

shirleyquirk (orginal) [2022-04-03T09:55:10+02:00] view original

How many bytes are available is not a fixed number when dealing with byte streams, it can change at any time.

You can use the version of recv with a timeout and a suitably large number

Or mess about with ioctl and FIONREAD but it's almost never worth it

sls1005 (orginal) [2022-04-03T10:40:41+02:00] view original

Use newSocket(buffered=false) if you don't want it to be blocked.

thegrapevine (orginal) [2022-04-03T19:45:51+02:00] view original

Good! Using newSocket(buffered=false) works very well.

dom96 (orginal) [2022-04-04T15:01:59+02:00] view original

If you're relying on whatever is in the buffer then you're more than likely not doing things correctly. You want to read as much as the protocol asks for, usually it's a known size or up to a delimiter like \r\n.