I'm reading the Body of an HTTP request. In my handler I want to chunk the
response body up into fixed size blocks. I doing this using the following
code:
b := make([]byte, config.Blocksize)
for {
cnt, err := r.Body.Read(b)
if err == io.EOF {
break
}
if err != nil {
log.Error("Reading reading request stream", "name", name)
utils.WriteError(w, http.StatusInternalServerError, "Error reading request
stream")
return
}
log.Info("Length read", "len", cnt)
}
What I'm seeing is various block sizes being read from the Body reader. I
assume that is because the bytes coming over the http stream are not coming
fast enough to keep up with my executing code, and so when r.Body.Read is
executed I get how ever many bytes are currently available on the stream
and not more.
Is there easy way to read fixed size blocks from the request body reader
using a built in library function? Say bytes, or bufio. I looked but could
not see a function.
I can imagine doing this myself, with multiple reads inside the for loop.
Thanks
Michael-
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