From 42ec7df723ece5c2c4400d8db24e3a2ac6b826d0 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Wed, 25 Apr 2018 09:03:31 +0200
Subject: wip

---
 host/udp-client.py | 31 +++++++++++++++++++++++++++++++
 host/udp-server.py | 18 ++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100755 host/udp-client.py
 create mode 100755 host/udp-server.py

(limited to 'host')

diff --git a/host/udp-client.py b/host/udp-client.py
new file mode 100755
index 0000000..5e2b132
--- /dev/null
+++ b/host/udp-client.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import socket, asyncoro
+
+ip = "127.0.0.1"
+ip = "192.168.10.151"
+port = 5005
+msg = "Hello, World!"
+
+print("UDP target IP:   {}".format(ip))
+print("UDP target port: {}".format(port))
+print("message:         {}".format(msg))
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+start = None
+
+def client(coro=None):
+    buffer_size = 64 * 1024
+    print("Waiting for packet")
+    msg, (ip, port) = yield sock.recvfrom(buffer_size)
+    end = time.process_time()
+    print("Received '{}' from {}:{}".format(msg, ip, port))
+    print("RTT: {:.3f} ms".format((end - start) * 1000))
+
+asyncoro.Coro(client)
+import time
+time.sleep(0.1)
+print("Sending")
+start = time.process_time()
+sock.sendto(msg.encode("utf-8"), (ip, port))
diff --git a/host/udp-server.py b/host/udp-server.py
new file mode 100755
index 0000000..79bbe73
--- /dev/null
+++ b/host/udp-server.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import socket
+
+UDP_IP = "0.0.0.0"
+UDP_PORT = 5005
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.bind((UDP_IP, UDP_PORT))
+
+buffser_size = 64 * 1024
+
+while True:
+    data, (remote_ip, remote_port) = sock.recvfrom(buffser_size)
+    s = data.decode("utf-8", "ignore")
+    print("=> {}:{}: size={}, packet={}".format(remote_ip, remote_port, len(data), s))
+    sock.sendto(data, (remote_ip, remote_port))
+
-- 
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