Fix max stream packet size for old clients

The libvirtd server pushes data out to clients. It does not
know what protocol version the client might have, so must be
conservative and use the old payload limits. ie send no more
than 256kb of data per packet.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2013-09-30 17:27:51 +01:00
parent bd773e74f0
commit 27e81517a8
2 changed files with 8 additions and 1 deletions

View File

@ -708,7 +708,7 @@ daemonStreamHandleRead(virNetServerClientPtr client,
daemonClientStream *stream)
{
char *buffer;
size_t bufferLen = VIR_NET_MESSAGE_PAYLOAD_MAX;
size_t bufferLen = VIR_NET_MESSAGE_LEGACY_PAYLOAD_MAX;
int ret;
VIR_DEBUG("client=%p, stream=%p tx=%d closed=%d",

View File

@ -50,6 +50,13 @@
*/
const VIR_NET_MESSAGE_INITIAL = 65536;
/*
* Until we enlarged the message buffers, this was the max
* payload size. We need to remember this for compat with
* old clients.
*/
const VIR_NET_MESSAGE_LEGACY_PAYLOAD_MAX = 262144;
/* Maximum total message size (serialised). */
const VIR_NET_MESSAGE_MAX = 16777216;