提交 5f4f9d87 编写于 作者: M Michal Privoznik

Add new flag to daemonCreateClientStream and virNetClientStreamNew

Add a new argument to daemonCreateClientStream in order to allow for
future expansion to mark that a specific stream can be used to skip
data, such as the case with sparsely populated files. The new flag will
be the eventual decision point between client/server to decide whether
both ends can support and want to use sparse streams.

A new bool 'allowSkip' is added to both _virNetClientStream and
daemonClientStream in order to perform the tracking.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
上级 8b6ffe40
......@@ -5323,7 +5323,7 @@ remoteDispatchDomainMigratePrepareTunnel3Params(virNetServerPtr server ATTRIBUTE
if (!(st = virStreamNew(priv->conn, VIR_STREAM_NONBLOCK)) ||
!(stream = daemonCreateClientStream(client, st, remoteProgram,
&msg->header)))
&msg->header, false)))
goto cleanup;
if (virDomainMigratePrepareTunnel3Params(priv->conn, st, params, nparams,
......
......@@ -52,6 +52,8 @@ struct daemonClientStream {
virNetMessagePtr rx;
bool tx;
bool allowSkip;
daemonClientStreamPtr next;
};
......@@ -321,7 +323,8 @@ daemonClientStream *
daemonCreateClientStream(virNetServerClientPtr client,
virStreamPtr st,
virNetServerProgramPtr prog,
virNetMessageHeaderPtr header)
virNetMessageHeaderPtr header,
bool allowSkip)
{
daemonClientStream *stream;
daemonClientPrivatePtr priv = virNetServerClientGetPrivateData(client);
......@@ -339,6 +342,7 @@ daemonCreateClientStream(virNetServerClientPtr client,
stream->serial = header->serial;
stream->filterID = -1;
stream->st = st;
stream->allowSkip = allowSkip;
return stream;
}
......
......@@ -30,7 +30,8 @@ daemonClientStream *
daemonCreateClientStream(virNetServerClientPtr client,
virStreamPtr st,
virNetServerProgramPtr prog,
virNetMessageHeaderPtr hdr);
virNetMessageHeaderPtr hdr,
bool allowSkip);
int daemonFreeClientStream(virNetServerClientPtr client,
daemonClientStream *stream);
......
......@@ -6173,7 +6173,8 @@ remoteDomainMigratePrepareTunnel3(virConnectPtr dconn,
if (!(netst = virNetClientStreamNew(st,
priv->remoteProgram,
REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3,
priv->counter)))
priv->counter,
false)))
goto done;
if (virNetClientAddStream(priv->client, netst) < 0) {
......@@ -7098,7 +7099,8 @@ remoteDomainMigratePrepareTunnel3Params(virConnectPtr dconn,
if (!(netst = virNetClientStreamNew(st,
priv->remoteProgram,
REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3_PARAMS,
priv->counter)))
priv->counter,
false)))
goto cleanup;
if (virNetClientAddStream(priv->client, netst) < 0) {
......
......@@ -1024,7 +1024,7 @@ elsif ($mode eq "server") {
print " if (!(st = virStreamNew(priv->conn, VIR_STREAM_NONBLOCK)))\n";
print " goto cleanup;\n";
print "\n";
print " if (!(stream = daemonCreateClientStream(client, st, remoteProgram, &msg->header)))\n";
print " if (!(stream = daemonCreateClientStream(client, st, remoteProgram, &msg->header, false)))\n";
print " goto cleanup;\n";
print "\n";
}
......@@ -1738,7 +1738,7 @@ elsif ($mode eq "client") {
if ($call->{streamflag} ne "none") {
print "\n";
print " if (!(netst = virNetClientStreamNew(st, priv->remoteProgram, $call->{constname}, priv->counter)))\n";
print " if (!(netst = virNetClientStreamNew(st, priv->remoteProgram, $call->{constname}, priv->counter, false)))\n";
print " goto done;\n";
print "\n";
print " if (virNetClientAddStream(priv->client, netst) < 0) {\n";
......
......@@ -54,6 +54,8 @@ struct _virNetClientStream {
virNetMessagePtr rx;
bool incomingEOF;
bool allowSkip;
virNetClientStreamEventCallback cb;
void *cbOpaque;
virFreeCallback cbFree;
......@@ -138,7 +140,8 @@ virNetClientStreamEventTimer(int timer ATTRIBUTE_UNUSED, void *opaque)
virNetClientStreamPtr virNetClientStreamNew(virStreamPtr stream,
virNetClientProgramPtr prog,
int proc,
unsigned serial)
unsigned serial,
bool allowSkip)
{
virNetClientStreamPtr st;
......@@ -152,6 +155,7 @@ virNetClientStreamPtr virNetClientStreamNew(virStreamPtr stream,
st->prog = virObjectRef(prog);
st->proc = proc;
st->serial = serial;
st->allowSkip = allowSkip;
return st;
}
......
......@@ -35,7 +35,8 @@ typedef void (*virNetClientStreamEventCallback)(virNetClientStreamPtr stream,
virNetClientStreamPtr virNetClientStreamNew(virStreamPtr stream,
virNetClientProgramPtr prog,
int proc,
unsigned serial);
unsigned serial,
bool allowSkip);
bool virNetClientStreamRaiseError(virNetClientStreamPtr st);
......
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