From c5de6f188dac491f114861648aafb30737da131f Mon Sep 17 00:00:00 2001
From: "Kali Kaneko (leap communications)" <kali@leap.se>
Date: Sun, 10 Apr 2016 18:42:27 -0400
Subject: move PoCs to its own subdir

---
 toys/Makefile   | 20 ++++++++++++++++++++
 toys/server.py  | 17 +++++++++++++++++
 toys/server2.py | 20 ++++++++++++++++++++
 toys/server3.py | 42 ++++++++++++++++++++++++++++++++++++++++++
 toys/tasks.py   | 29 +++++++++++++++++++++++++++++
 5 files changed, 128 insertions(+)
 create mode 100644 toys/Makefile
 create mode 100644 toys/server.py
 create mode 100644 toys/server2.py
 create mode 100644 toys/server3.py
 create mode 100644 toys/tasks.py

(limited to 'toys')

diff --git a/toys/Makefile b/toys/Makefile
new file mode 100644
index 0000000..33761a1
--- /dev/null
+++ b/toys/Makefile
@@ -0,0 +1,20 @@
+# Simple PoC toys
+
+perf:
+	httperf --server localhost --port 8080 --num-calls 200 --num-conns 20 --uri /
+
+perf-little:
+	httperf --server localhost --port 8080 --num-calls 5 --num-conns 20 --uri /
+
+perf-easy:
+	httperf --server localhost --port 8080 --num-calls 5 --num-conns 20 --uri /hi
+
+inline-server:
+	python server.py
+
+thread-server:
+	python server2.py
+
+ampoule-server:
+	python server3.py
+
diff --git a/toys/server.py b/toys/server.py
new file mode 100644
index 0000000..4afa31b
--- /dev/null
+++ b/toys/server.py
@@ -0,0 +1,17 @@
+import os
+from klein import run, route
+import tasks
+
+FIB = os.environ.get('FIB', tasks.FIB_DEFAULT)
+
+
+@route('/')
+def home(request):
+    return 'answer is >>> %s\n' % tasks.fib(FIB)
+
+@route('/hi')
+def ping(request):
+    return 'easy!'
+
+if __name__ == "__main__":
+    run("localhost", 8080)
diff --git a/toys/server2.py b/toys/server2.py
new file mode 100644
index 0000000..268c7c5
--- /dev/null
+++ b/toys/server2.py
@@ -0,0 +1,20 @@
+import os
+from klein import run, route
+from twisted.internet.threads import deferToThread
+import tasks
+
+FIB = os.environ.get('FIB', tasks.FIB_DEFAULT)
+
+
+@route('/')
+def home(request):
+    d = deferToThread(tasks.fib, FIB)
+    d.addCallback(lambda result: 'answer is >>> %s\n' % result)
+    return d
+
+@route('/hi')
+def ping(request):
+    return 'easy!'
+
+if __name__ == "__main__":
+    run("localhost", 8080)
diff --git a/toys/server3.py b/toys/server3.py
new file mode 100644
index 0000000..d737d4b
--- /dev/null
+++ b/toys/server3.py
@@ -0,0 +1,42 @@
+import os
+import sys
+from klein import run, route
+
+from twisted.internet import defer
+from twisted.internet import reactor
+from twisted.python import log
+
+from ampoule import pool
+
+import tasks
+
+log.startLogging(sys.stdout)
+
+FIB = os.environ.get('FIB', tasks.FIB_DEFAULT)
+
+
+@route('/')
+def home(request):
+    d = pp.doWork(tasks.Fib, n=int(FIB)) 
+    d.addCallback(lambda res: 'answer is >>> {r}\n'.format(r=res['fib']))
+    return d
+
+@route('/hi')
+def ping(request):
+    return 'easy!'
+
+
+pp = None
+
+
+@defer.inlineCallbacks
+def start_pool():
+    global pp
+    # TODO get max number of processors
+    pp = pool.ProcessPool(tasks.FibCalculator, min=1, max=4)
+    print 'starting pool'
+    yield pp.start()
+
+if __name__ == "__main__":
+    reactor.callWhenRunning(start_pool)
+    run("localhost", 8080)
diff --git a/toys/tasks.py b/toys/tasks.py
new file mode 100644
index 0000000..3f8b85d
--- /dev/null
+++ b/toys/tasks.py
@@ -0,0 +1,29 @@
+import os
+from twisted.protocols import amp
+from ampoule import child
+
+FIB_DEFAULT = 30
+
+
+def fib(n):
+    '''very silly fibonacci function.
+    do not try to optimize this, the idea is to make your cpu suffer for a
+    while'''
+    n = int(n)
+    if n <= 2:
+        return 1
+    else:
+        return fib(n-1) + fib(n-2)
+
+# ampoule stuff
+
+class Fib(amp.Command):
+    arguments = [('n', amp.Integer())]
+    response = [('fib', amp.Integer())]
+
+
+class FibCalculator(child.AMPChild):
+    @Fib.responder
+    def fib(self, n):
+        #print "FIB FUNCTION CALLED WITH", n
+        return {"fib": fib(n)}
-- 
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