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rpc: simplify calling convention of virNetServerClientDispatchFunc

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Currently virNetServerClientDispatchFunc implementations are only
responsible for free'ing the "msg" parameter upon success. Simplify the
calling convention by making it their unconditional responsibility to
free the "msg", and close the client if desired.

Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-03-06 16:44:34 +00:00
parent 464889fff8
commit c6f1d5190b
3 changed files with 22 additions and 17 deletions
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24
src/rpc/virnetserver.c
View File

@ -182,15 +182,14 @@ static void virNetServerHandleJob(void *jobOpaque, void *opaque)
VIR_FREE(job);
}
static int virNetServerDispatchNewMessage(virNetServerClientPtr client,
virNetMessagePtr msg,
void *opaque)
static void virNetServerDispatchNewMessage(virNetServerClientPtr client,
virNetMessagePtr msg,
void *opaque)
{
virNetServerPtr srv = opaque;
virNetServerProgramPtr prog = NULL;
unsigned int priority = 0;
size_t i;
int ret = -1;
VIR_DEBUG("server=%p client=%p message=%p",
srv, client, msg);
@ -207,7 +206,7 @@ static int virNetServerDispatchNewMessage(virNetServerClientPtr client,
virNetServerJobPtr job;
if (VIR_ALLOC(job) < 0)
goto cleanup;
goto error;
job->client = client;
job->msg = msg;
@ -218,21 +217,24 @@ static int virNetServerDispatchNewMessage(virNetServerClientPtr client,
}
virObjectRef(client);
ret = virThreadPoolSendJob(srv->workers, priority, job);
if (ret < 0) {
if (virThreadPoolSendJob(srv->workers, priority, job) < 0) {
virObjectUnref(client);
VIR_FREE(job);
virObjectUnref(prog);
goto error;
}
} else {
ret = virNetServerProcessMsg(srv, client, prog, msg);
if (virNetServerProcessMsg(srv, client, prog, msg) < 0)
goto error;
}
cleanup:
virObjectUnlock(srv);
return;
return ret;
error:
virNetMessageFree(msg);
virNetServerClientClose(client);
virObjectUnlock(srv);
}
/**

6
src/rpc/virnetserverclient.c
View File

@ -1315,11 +1315,11 @@ static void virNetServerClientDispatchRead(virNetServerClientPtr client)
/* Send off to for normal dispatch to workers */
if (msg) {
if (!client->dispatchFunc ||
client->dispatchFunc(client, msg, client->dispatchOpaque) < 0) {
if (!client->dispatchFunc) {
virNetMessageFree(msg);
client->wantClose = true;
return;
} else {
client->dispatchFunc(client, msg, client->dispatchOpaque);
}
}

9
src/rpc/virnetserverclient.h
View File

@ -36,9 +36,12 @@ typedef virNetServer *virNetServerPtr;
typedef struct _virNetServerClient virNetServerClient;
typedef virNetServerClient *virNetServerClientPtr;
typedef int (*virNetServerClientDispatchFunc)(virNetServerClientPtr client,
virNetMessagePtr msg,
void *opaque);
/* This function owns the "msg" pointer it is passed and
* must arrange for virNetMessageFree to be called on it
*/
typedef void (*virNetServerClientDispatchFunc)(virNetServerClientPtr client,
virNetMessagePtr msg,
void *opaque);
typedef int (*virNetServerClientFilterFunc)(virNetServerClientPtr client,
virNetMessagePtr msg,