X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvpp-api%2Fpython%2Fvpp_papi%2Fvpp_transport_shmem.py;h=2563a6e89a83b735e6ff6fed292004177fe554ef;hb=e2ccdf0316243a1486109743e3de532cae5f3254;hp=4e40f2352e4f4f37c882a35ec1ddca00f80a4f56;hpb=5d440d9cb6a51c6658f4be855008b91f05d294c6;p=vpp.git

diff --git a/src/vpp-api/python/vpp_papi/vpp_transport_shmem.py b/src/vpp-api/python/vpp_papi/vpp_transport_shmem.py
index 4e40f2352e4..2563a6e89a8 100644
--- a/src/vpp-api/python/vpp_papi/vpp_transport_shmem.py
+++ b/src/vpp-api/python/vpp_papi/vpp_transport_shmem.py
@@ -116,12 +116,14 @@ class VppTransport(object):
             raise VppTransportShmemIOError(1, 'Not connected')
         return vpp_api.vac_write(bytes(buf), len(buf))
 
-    def read(self):
+    def read(self, timeout=None):
         if not self.connected:
             raise VppTransportShmemIOError(1, 'Not connected')
+        if timeout is None:
+            timeout = self.read_timeout
         mem = ffi.new("char **")
         size = ffi.new("int *")
-        rv = vpp_api.vac_read(mem, size, self.read_timeout)
+        rv = vpp_api.vac_read(mem, size, timeout)
         if rv:
             strerror = 'vac_read failed.  It is likely that VPP died.'
             raise VppTransportShmemIOError(rv, strerror)