diff options
Diffstat (limited to 'src/gr-fadingui/python')
| -rw-r--r-- | src/gr-fadingui/python/netsink.py | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/src/gr-fadingui/python/netsink.py b/src/gr-fadingui/python/netsink.py index 06e376c..8851fe9 100644 --- a/src/gr-fadingui/python/netsink.py +++ b/src/gr-fadingui/python/netsink.py @@ -3,12 +3,16 @@ # # Copyright 2021 Sara Cinzia Halter, Naoki Pross. +import os import socket from urllib.parse import urlparse import numpy as np from gnuradio import gr +from fadingui.logger import get_logger +log = get_logger("netsink") + class netsink(gr.sync_block): """ Sink that sends the data over the network using UDP. @@ -26,7 +30,6 @@ class netsink(gr.sync_block): dt = to_numpy[dtype] if vlen > 1: dt = np.dtype(dt, (vlen,)) - print(dt) gr.sync_block.__init__(self, name="Network Sink", @@ -34,9 +37,28 @@ class netsink(gr.sync_block): out_sig=None) # Create a socket and parse remote machine url - self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.url = urlparse(address) - self.srv = (self.url.hostname, self.url.port) + self.srv = None + + if self.url.scheme == "udp": + log.debug(f"Creating UDP socket to {self.srv}") + self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) + self.srv = (self.url.hostname, self.url.port) + self.socket.connect(self.srv) + + elif self.url.scheme == "file": + log.debug(f"Creating UNIX file socket to {self.url.path}") + self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM) + self.srv = self.url.path + try: + self.socket.connect(self.srv) + except FileNotFoundError: + log.error("Cannot find socket file, is the server (GUI) running?") + raise + + else: + raise NotImplemented + def send(self, data): """ @@ -46,7 +68,11 @@ class netsink(gr.sync_block): @return Number of bytes that were actually sent """ assert type(data) == bytes - return self.socket.sendto(data, self.srv) + try: + return self.socket.sendto(data, self.srv) + except socket.error as err: + log.warn(f"No data was sent: {err}") + return 0 def encode(self, data): """ @@ -62,7 +88,7 @@ class netsink(gr.sync_block): def work(self, input_items, output_items): # send only every k-th sample - inp = input_items[0][::3] + inp = input_items[0][::2] inp_len = len(inp) blocksize = 1024 |