rpc: add helper API for getting UNIX path from socket object

Reviewed-by: NJán Tomko <jtomko@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/libvirt_remote.syms

@@ -219,6 +219,7 @@ virNetSocketCheckProtocols;
 virNetSocketClose;
 virNetSocketDupFD;
 virNetSocketGetFD;
+virNetSocketGetPath;
 virNetSocketGetPort;
 virNetSocketGetSELinuxContext;
 virNetSocketGetUNIXIdentity;

src/rpc/virnetsocket.c

@@ -1408,6 +1408,14 @@ bool virNetSocketHasPassFD(virNetSocketPtr sock)
     return hasPassFD;
 }
 
+char *virNetSocketGetPath(virNetSocketPtr sock)
+{
+    char *path = NULL;
+    virObjectLock(sock);
+    path = virSocketAddrGetPath(&sock->localAddr);
+    virObjectUnlock(sock);
+    return path;
+}
 
 int virNetSocketGetPort(virNetSocketPtr sock)
 {

src/rpc/virnetsocket.h

@@ -127,6 +127,7 @@ bool virNetSocketIsLocal(virNetSocketPtr sock);
 
 bool virNetSocketHasPassFD(virNetSocketPtr sock);
 
+char *virNetSocketGetPath(virNetSocketPtr sock);
 int virNetSocketGetPort(virNetSocketPtr sock);
 
 int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,