Test UDP connection on sink block

Can be tested locally with: netcat -l4kuv localhost 31415

2 files changed, 14 insertions, 3 deletions

diff --git a/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml b/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml
index 3712be4..dbe6198 100644
--- a/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml
+++ b/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml
@@ -4,7 +4,7 @@ category: '[fadingui]'
 
 templates:
   imports: import fadingui
-  make: fadingui.dearpygui_sink()
+  make: fadingui.dearpygui_sink(sock_addr=${sock_addr}, ui_element_id=${ui_element_id})
 
 #  Make one 'parameters' list entry for every parameter you want settable from the GUI.
 #     Keys include:
diff --git a/src/gr-fadingui/python/dearpygui_sink.py b/src/gr-fadingui/python/dearpygui_sink.py
index 2b8e9fb..353f2d9 100644
--- a/src/gr-fadingui/python/dearpygui_sink.py
+++ b/src/gr-fadingui/python/dearpygui_sink.py
@@ -19,6 +19,8 @@
 # Boston, MA 02110-1301, USA.
 #
 
+import socket
+from urllib.parse import urlparse
 
 import numpy as np
 from gnuradio import gr
@@ -27,15 +29,24 @@ class dearpygui_sink(gr.sync_block):
     """
     docstring for block dearpygui_sink
     """
-    def __init__(self):
+    def __init__(self, sock_addr, ui_element_id):
         gr.sync_block.__init__(self,
             name="dearpygui_sink",
             in_sig=[np.complex64],
             out_sig=None)
 
+        # sockets
+        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self.srv = urlparse(sock_addr)
+
+    def send(self, value):
+        data = bytes(repr(value), "ascii")
+        sent = self.socket.sendto(data, (self.srv.hostname, self.srv.port))
+
+        return len(data) == sent
 
     def work(self, input_items, output_items):
         in0 = input_items[0]
-        # <+signal processing here+>
+        self.send(in0)
         return len(input_items[0])