7 files changed, 108 insertions, 53 deletions
diff --git a/src/gr-fadingui/grc/CMakeLists.txt b/src/gr-fadingui/grc/CMakeLists.txt
index 297ae8d..79c1a31 100644
--- a/src/gr-fadingui/grc/CMakeLists.txt
+++ b/src/gr-fadingui/grc/CMakeLists.txt
@@ -19,9 +19,9 @@
 # Boston, MA 02110-1301, USA.
 install(FILES
     fadingui_datasource.block.yml
-    fadingui_dearpygui_sink.block.yml
     fadingui_deframer.block.yml
     fadingui_frame_obj.block.yml
     fadingui_multipath_fading.block.yml
-    fadingui_ber.block.yml DESTINATION share/gnuradio/grc/blocks
+    fadingui_ber.block.yml
+    fadingui_netsink.block.yml DESTINATION share/gnuradio/grc/blocks
 )
diff --git a/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml b/src/gr-fadingui/grc/fadingui_netsink.block.yml
index dbe6198..4e5b01b 100644
--- a/src/gr-fadingui/grc/fadingui_dearpygui_sink.block.yml
+++ b/src/gr-fadingui/grc/fadingui_netsink.block.yml
@@ -1,10 +1,11 @@
-id: fadingui_dearpygui_sink
-label: UI Sink
+id: fadingui_netsink
+label: Network Sink
 category: '[fadingui]'
+flags: [ python ]
 
 templates:
   imports: import fadingui
-  make: fadingui.dearpygui_sink(sock_addr=${sock_addr}, ui_element_id=${ui_element_id})
+  make: fadingui.netsink(${address}, ${dtype}, ${vlen})
 
 #  Make one 'parameters' list entry for every parameter you want settable from the GUI.
 #     Keys include:
@@ -12,15 +13,22 @@ templates:
 #     * label (label shown in the GUI)
 #     * dtype (e.g. int, float, complex, byte, short, xxx_vector, ...)
 parameters:
-- id: sock_addr
-  label: Socket address
+- id: dtype
+  label: Type
+  dtype: enum
+  options: [complex, float, int, short, byte]
+  option_attributes:
+      size: [gr.sizeof_gr_complex, gr.sizeof_floar, gr.sizeof_int, gr.sizeof_short, gr.sizeof_char ]
+  hide: part
+- id: vlen
+  label: Vec Length
+  dtype: int
+  default: 1
+  hide: ${ 'part' if vlen == 1 else 'none' }
+- id: address
+  label: Address
   dtype: string
-  default: udp://
-
-- id: ui_element_id
-  label: UI element ID
-  dtype: raw
-
+  default: "udp://localhost:31415"
 
 #  Make one 'inputs' list entry per input and one 'outputs' list entry per output.
 #  Keys include:
@@ -31,7 +39,9 @@ parameters:
 #      * optional (optional - set to 1 for optional inputs. Default is 0)
 inputs:
 - label: in
-  dtype: complex
+  domain: stream
+  dtype: ${dtype}
+  vlen: ${vlen}
 
 #  'file_format' specifies the version of the GRC yml format used in the file
 #  and should usually not be changed.
diff --git a/src/gr-fadingui/python/CMakeLists.txt b/src/gr-fadingui/python/CMakeLists.txt
index e04eb5b..bf484cc 100644
--- a/src/gr-fadingui/python/CMakeLists.txt
+++ b/src/gr-fadingui/python/CMakeLists.txt
@@ -34,11 +34,11 @@ GR_PYTHON_INSTALL(
     __init__.py
     logger.py
     datasource.py
-    dearpygui_sink.py
     deframer.py
     frame_obj.py
     multipath_fading.py
-    ber.py DESTINATION ${GR_PYTHON_DIR}/fadingui
+    ber.py
+    netsink.py DESTINATION ${GR_PYTHON_DIR}/fadingui
 )
 
 ########################################################################
diff --git a/src/gr-fadingui/python/__init__.py b/src/gr-fadingui/python/__init__.py
index 9fe45d5..56dbdd3 100644
--- a/src/gr-fadingui/python/__init__.py
+++ b/src/gr-fadingui/python/__init__.py
@@ -33,11 +33,12 @@ except ImportError:
 
 # import any pure python here
 from .datasource import datasource
-from .dearpygui_sink import dearpygui_sink
+
 
 from .deframer import deframer
 from .frame_obj import frame_obj
 from .multipath_fading import multipath_fading
 from .ber import ber
+from .netsink import netsink
 
 #
diff --git a/src/gr-fadingui/python/dearpygui_sink.py b/src/gr-fadingui/python/dearpygui_sink.py
deleted file mode 100644
index 6153611..0000000
--- a/src/gr-fadingui/python/dearpygui_sink.py
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-#
-# Copyright 2021 Naoki Pross.
-
-import socket
-from urllib.parse import urlparse
-
-import numpy as np
-from gnuradio import gr
-
-class dearpygui_sink(gr.sync_block):
-    """
-    DearPyGUI Sink
-    """
-    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 = value.tobytes()
-        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]
-        self.send(in0)
-        return len(input_items[0])
-
diff --git a/src/gr-fadingui/python/netsink.py b/src/gr-fadingui/python/netsink.py
new file mode 100644
index 0000000..9df81f5
--- /dev/null
+++ b/src/gr-fadingui/python/netsink.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2021 Sara Cinzia Halter, Naoki Pross.
+
+import socket
+from urllib.parse import urlparse
+
+import numpy as np
+from gnuradio import gr
+
+class netsink(gr.sync_block):
+    """
+    Sink that sends the data over the network using UDP.
+    Keep in mind that is quite slow.
+    """
+    def __init__(self, address, dtype, vlen):
+        gr.sync_block.__init__(self,
+            name="Network Sink",
+            in_sig=[],
+            out_sig=None)
+
+        # Create a socket and parse remote machine url
+        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self.url = urlparse(sock_addr)
+        self.srv = (self.srv.hostname, self.srv.port)
+
+    def send(self, data):
+        """
+        Send the data to self.srv
+
+        @param data Data as python bytes
+        @return Number of bytes that were actually sent
+        """
+        assert type(data) == bytes
+        return self.socket.sendto(data, self.srv)
+
+    def encode(self, data):
+        """
+        Encode the data into a dead simple format
+
+        @param data Array like type
+        @return Bytes of ASCII encoded comma separated string of numbers
+        """
+        # no data (what are you doing?)
+        if not data:
+            return bytes()
+
+        values = "[" + ",".join(map(str, data)) + "]"
+        return bytes(values, "ascii")
+
+    def work(self, input_items, output_items):
+        inp = input_items[0]
+
+        # TODO: Check that inp has a reasonable size
+        self.send(self.encode(inp))
+
+        return len(input_items[0])
+
diff --git a/tests/sockets/send.py b/tests/sockets/send.py
new file mode 100644
index 0000000..87faf5d
--- /dev/null
+++ b/tests/sockets/send.py
@@ -0,0 +1,21 @@
+import socket
+from urllib.parse import urlparse
+
+import numpy as np
+
+remote = "upd://localhost:31415"
+url = urlparse(remote)
+
+print(url.hostname)
+print(url.port)
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.connect((url.hostname, url.port))
+
+# sent some text
+sock.send(bytes("hello", "ascii"))
+
+arr = np.arange(0, 10)
+print(arr)
+
+sock.send(arr.tobytes())