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ui: extend VNC trottling tracing to SASL codepaths 

In previous commit:

  commit 6aa22a2918
  Author: Daniel P. Berrange <berrange@redhat.com>
  Date:   Mon Dec 18 19:12:27 2017 +0000

    ui: add trace events related to VNC client throttling

trace points related to unthrottling client I/O were missed from the
SASL codepaths.

Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 20180205114938.15784-5-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-02-05 11:49:38 +00:00 committed by Gerd Hoffmann
parent cf0706581b
commit d50f09ff23
1 changed files with 11 additions and 0 deletions
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11
ui/vnc-auth-sasl.c
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@ -79,12 +79,23 @@ size_t vnc_client_write_sasl(VncState *vs)
vs->sasl.encodedOffset += ret;
if (vs->sasl.encodedOffset == vs->sasl.encodedLength) {
bool throttled = vs->force_update_offset != 0;
size_t offset;
if (vs->sasl.encodedRawLength >= vs->force_update_offset) {
vs->force_update_offset = 0;
} else {
vs->force_update_offset -= vs->sasl.encodedRawLength;
}
if (throttled && vs->force_update_offset == 0) {
trace_vnc_client_unthrottle_forced(vs, vs->ioc);
}
offset = vs->output.offset;
buffer_advance(&vs->output, vs->sasl.encodedRawLength);
if (offset >= vs->throttle_output_offset &&
vs->output.offset < vs->throttle_output_offset) {
trace_vnc_client_unthrottle_incremental(vs, vs->ioc,
vs->output.offset);
}
vs->sasl.encoded = NULL;
vs->sasl.encodedOffset = vs->sasl.encodedLength = 0;
}