set optional tag on tuntap and socket msg ports

guruofquality · Oct 3, 2012 · bec0ec5 · bec0ec5
1 parent 0ead95c
commit bec0ec5
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Showing 4 changed files with 8 additions and 1 deletion.
diff --git a/grc/extras_socket_msg.xml b/grc/extras_socket_msg.xml
@@ -38,9 +38,11 @@
     <sink>
         <name>in</name>
         <type></type>
+        <optional>1</optional>
     </sink>
     <source>
         <name>out</name>
         <type></type>
+        <optional>1</optional>
     </source>
 </block>
diff --git a/grc/extras_tuntap.xml b/grc/extras_tuntap.xml
@@ -20,9 +20,11 @@
     <sink>
         <name>in</name>
         <type></type>
+        <optional>1</optional>
     </sink>
     <source>
         <name>out</name>
         <type></type>
+        <optional>1</optional>
     </source>
 </block>
diff --git a/include/gnuradio/extras/tuntap.h b/include/gnuradio/extras/tuntap.h
@@ -37,6 +37,9 @@ class GR_EXTRAS_API tuntap : virtual public gr_hier_block2{
      * Use the Universal TUN/TAP device driver to move packets to/from kernel
      * See /usr/src/linux/Documentation/networking/tuntap.txt
      *
+     * Tuntap should not be used to create a MAC layer!
+     * https://en.wikipedia.org/wiki/Transmission_Control_Protocol#TCP_over_wireless_networks
+     *
      * \param dev the device name (depends on os, blank for automatic)
      * \return a new TUN/TAP interface block
      */

diff --git a/python/pmt_rpc.py b/python/pmt_rpc.py
@@ -58,7 +58,7 @@ def __init__(self, obj, result_msg = True):
             name = "pmt rpc",
             in_sig = None,
             out_sig = None,
-            has_msg_input=True,
+            num_msg_inputs=1,
             num_msg_outputs = 1 if result_msg else 0,
         )