diff options
Diffstat (limited to 'grc/src/grc_gnuradio/blks2/tcp.py')
-rw-r--r-- | grc/src/grc_gnuradio/blks2/tcp.py | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/grc/src/grc_gnuradio/blks2/tcp.py b/grc/src/grc_gnuradio/blks2/tcp.py deleted file mode 100644 index c6739b711..000000000 --- a/grc/src/grc_gnuradio/blks2/tcp.py +++ /dev/null @@ -1,66 +0,0 @@ -# -# Copyright 2009 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -from gnuradio import gr -import socket -import os - -def _get_sock_fd(addr, port, server): - """ - Get the file descriptor for the socket. - As a client, block on connect, dup the socket descriptor. - As a server, block on accept, dup the client descriptor. - @param addr the ip address string - @param port the tcp port number - @param server true for server mode, false for client mode - @return the file descriptor number - """ - sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - if server: - sock.bind((addr, port)) - sock.listen(1) - clientsock, address = sock.accept() - return os.dup(clientsock.fileno()) - else: - sock.connect((addr, port)) - return os.dup(sock.fileno()) - -class tcp_source(gr.hier_block2): - def __init__(self, itemsize, addr, port, server=True): - #init hier block - gr.hier_block2.__init__( - self, 'tcp_source', - gr.io_signature(0, 0, 0), - gr.io_signature(1, 1, itemsize), - ) - fd = _get_sock_fd(addr, port, server) - self.connect(gr.file_descriptor_source(itemsize, fd), self) - -class tcp_sink(gr.hier_block2): - def __init__(self, itemsize, addr, port, server=False): - #init hier block - gr.hier_block2.__init__( - self, 'tcp_sink', - gr.io_signature(1, 1, itemsize), - gr.io_signature(0, 0, 0), - ) - fd = _get_sock_fd(addr, port, server) - self.connect(self, gr.file_descriptor_sink(itemsize, fd)) |