rpc: Add virNetServerGetNClients

This function accesses the number of connected clients while properly
locking the server it returns the data about.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

src/libvirt_remote.syms

@@ -99,6 +99,7 @@ virNetServerAddClient;
 virNetServerAddProgram;
 virNetServerAddService;
 virNetServerClose;
+virNetServerGetNClients;
 virNetServerHasClients;
 virNetServerKeepAliveRequired;
 virNetServerNew;

src/rpc/virnetserver.c

@@ -884,3 +884,13 @@ virNetServerStart(virNetServerPtr srv)
 
     return virNetServerMDNSStart(srv->mdns);
 }
+
+size_t
+virNetServerGetNClients(virNetServerPtr srv)
+{
+    size_t ret = 0;
+    virObjectLock(srv);
+    ret = srv->nclients;
+    virObjectUnlock(srv);
+    return ret;
+}

src/rpc/virnetserver.h

@@ -90,4 +90,6 @@ void virNetServerUpdateServices(virNetServerPtr srv, bool enabled);
 
 int virNetServerStart(virNetServerPtr srv);
 
+size_t virNetServerGetNClients(virNetServerPtr srv);
+
 #endif /* __VIR_NET_SERVER_H__ */