From 5974215c9864ca72945b553f5374dbc8ba9a191d Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sat, 16 May 2020 17:22:09 +0200 Subject: Initial commit: Basic Ouroboros API Signed-off-by: Dimitri Staessens --- examples/oecho.py | 62 ++++++++++++++++++++++++++++++++++++++++++++ examples/oecho_set.py | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 133 insertions(+) create mode 100755 examples/oecho.py create mode 100755 examples/oecho_set.py (limited to 'examples') diff --git a/examples/oecho.py b/examples/oecho.py new file mode 100755 index 0000000..395930c --- /dev/null +++ b/examples/oecho.py @@ -0,0 +1,62 @@ +#!/bin/python + +# Ouroboros - Copyright (C) 2016 - 2020 +# +# A simple echo application +# +# Dimitri Staessens +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# +# 3. Neither the name of the copyright holder nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +# OF THE POSSIBILITY OF SUCH DAMAGE. + +from ouroboros.dev import * +import argparse + + +def client(): + with flow_alloc("oecho") as f: + f.writeline("Hello, PyOuroboros!") + print(f.readline()) + + +def server(): + print("Starting the server.") + while True: + with flow_accept() as f: + print("New flow.") + line = f.readline() + print("Message from client is " + line) + f.writeline(line) + + +if __name__ == "__main__": + parser = argparse.ArgumentParser(description='A simple echo client/server') + parser.add_argument('-l', '--listen', help='run as a server', action='store_true') + args = parser.parse_args() + server() if args.listen is True else client() diff --git a/examples/oecho_set.py b/examples/oecho_set.py new file mode 100755 index 0000000..4d9d1f7 --- /dev/null +++ b/examples/oecho_set.py @@ -0,0 +1,71 @@ +#!/bin/python + +# Ouroboros - Copyright (C) 2016 - 2020 +# +# A simple echo application +# +# Dimitri Staessens +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# +# 3. Neither the name of the copyright holder nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +# OF THE POSSIBILITY OF SUCH DAMAGE. + +from ouroboros.event import * +import argparse + + +def client(): + with flow_alloc("oecho") as f: + f.writeline("Hello, PyOuroboros!") + print(f.readline()) + + +def server(): + print("Starting the server.") + while True: + with flow_accept() as f: + print("New flow.") + fq = FEventQueue() + with FlowSet([f]) as fs: + fs.wait(fq) + f2, t = fq.next() + if t != FEventType.FlowPkt: + continue + line = f2.readline() + print("Message from client is " + line) + f2.writeline(line) + + +if __name__ == "__main__": + parser = argparse.ArgumentParser(description='A simple echo client/server') + parser.add_argument('-l', '--listen', help='run as a server', action='store_true') + args = parser.parse_args() + if args.listen is True: + server() + else: + client() -- cgit v1.2.3