The standard read will early return as soon as some of read is satisfied and a
subsequent block would occur (or timeout) - so you have to decide when you want
to stop reading...
>> On Dec 27, 2019, at 9:48 PM, Robert Engels <reng...@ix.netcom.com> wrote:
>
> You need a termination point. In the case of ReadString it is the line
> terminator. For an arbitrary read it is either a length or EOF - or you can
> read until the underlying socket has no more data but this is generally
> useless unless you are doing higher level buffering and protocol parsing.
> This latter mode is almost never needed in Go due to synchronous nature.
>
>>> On Dec 27, 2019, at 9:36 PM, Ron Wahler <ron.wah...@gmail.com> wrote:
>>
>> I did look at ReadAll, but it won't return until it sees EOF. I am trying
>> to find something that would return when the standard read would return. I
>> get the memory part and would manage that. Any other ideas ?
>>
>> thanks,
>> Ron
>>
>>> On Friday, December 27, 2019 at 5:11:42 PM UTC-7, Ron Wahler wrote:
>>> I am looking for a net.conn standard read that would return a data buffer
>>> the exact size of the read. I am trying to read an unknown amount of byte
>>> data from the connection. With the read i am using I am required to
>>> pre-allocate a buffer and pass that buffer to the read. I am looking for a
>>> read that works more like the ReadString , but is for a byte slice.
>>>
>>> // I want something similar to this read that returns the read string into
>>> the message string.
>>> message, err := bufio.NewReader(ServerConn).ReadString('\n')
>>>
>>> if ( err != nil ){
>>>
>>> fmt.Println("RELAY: ERROR: Reg Message read err:",
>>> err)
>>>
>>> return
>>>
>>> }
>>>
>>>
>>>
>>>
>>>
>>> // had to preallocate a buffer, but I want a read to return me a buffer so
>>> I don't have to guess how big to make it.
>>>
>>> buf := make([]byte, 1024*32)
>>>
>>> // READ FROM CLIENT
>>>
>>> nBytes, err := Csrc.Read(buf)
>>>
>>>
>>>
>>>
>>>
>>> Is this not possible, I have not seen any examples that would indicate that
>>> there is a standard library that would do something like what I am looking
>>> for.
>>>
>>>
>>>
>>> thanks,
>>>
>>> Ron
>>>
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "golang-nuts" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to golang-nuts+unsubscr...@googlegroups.com.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msgid/golang-nuts/8ca83343-399d-47ef-aee0-0e173946c980%40googlegroups.com.
> --
> You received this message because you are subscribed to the Google Groups
> "golang-nuts" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to golang-nuts+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/golang-nuts/8F20C49C-7240-4E58-A25D-583BD0482115%40ix.netcom.com.
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/golang-nuts/26594CE8-822F-44A7-A9FC-D894EE6C8D16%40ix.netcom.com.
