From ea1a4462a8b7a2fb7404e4652e0806795ba96863 Mon Sep 17 00:00:00 2001
From: Marco Capitani <m.capitani@nextworks.it>
Date: Thu, 11 May 2017 10:51:26 +0200
Subject: Storyboard: added modifications to API to example.py

---
 examples/example.py |  4 ++--
 rumba/model.py      | 47 +++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 43 insertions(+), 8 deletions(-)

diff --git a/examples/example.py b/examples/example.py
index 383dbf1..7fe130d 100755
--- a/examples/example.py
+++ b/examples/example.py
@@ -44,8 +44,8 @@ print(exp)
 try:
     exp.swap_in()
     exp.bootstrap_prototype()
-    c1 = Client("rinaperf", options = "-t perf -s 1000 -c 10000")
-    s1 = Server("rinaperf", options = "-l", nodes = [a], clients = [c1])
+    c1 = ClientBinary("rinaperf", options = "-t perf -s 1000 -c 10000")
+    s1 = Server("rinaperf", arrival_rate=2, mean_duration=5, options = "-l", nodes = [a], clients = [c1])
     sb = StoryBoard(exp, 3600, servers = [s1])
     sb.start()
 finally:
diff --git a/rumba/model.py b/rumba/model.py
index 97af536..36ac5c3 100644
--- a/rumba/model.py
+++ b/rumba/model.py
@@ -22,6 +22,8 @@
 import abc
 import random
 
+import time
+
 import rumba.log as log
 
 
@@ -567,16 +569,50 @@ class Experiment:
         # Undo the testbed (testbed-specific)
         self.testbed.swap_out(self)
 
+
 # Base class for client programs
 #
 # @ap: Application Process binary
 # @options: Options to pass to the binary
 #
-class Client:
-    def __init__(self, ap, duration, options=None):
+class ClientBinary(object):
+    def __init__(self, ap, options=None):
         self.ap = ap
         self.options = options
-        self.duration = duration  # in seconds
+
+    def start_process(self, node, duration, start_time):
+        return ClientProcess(self.ap, node, duration, start_time, self.options)
+
+
+# Base class for client processes
+#
+# @ap: Application Process binary
+# @node: The node on which this process should run
+# @duration: The time (in seconds) this process should run
+# @start_time: The time at which this process is started.
+# @options: Options to pass to the binary
+#
+class ClientProcess(ClientBinary):
+    def __init__(self, ap, node, duration, start_time, options=None):
+        super(ClientProcess, self).__init__(ap, options=options)
+        self.node = node
+        self.duration = duration
+        self.start_time = start_time
+        self.run()
+        self.running = True
+
+    def run(self):
+        pass  # TODO to be implemented
+
+    def stop(self):
+        pass  # TODO to be implemented
+
+    def check(self, now):
+        if not self.running:
+            return
+        if now - self.start_time >= self.duration:
+            self.stop()
+
 
 # Base class for server programs
 #
@@ -623,12 +659,11 @@ class Server:
         """
         pass
 
-    def make_client(self):
+    def make_client_process(self):
         """Returns a client of this server"""
         if len(self.clients) == 0:
             raise Exception("Server %s has empty client list," % (self,))
-        placeholder = 10  # TODO: Should be a sample from Exp(mean_duration)
-        return Client(random.choice(self.clients), placeholder)
+        pass  # TODO should return a ClientProcess
 
 
 # Base class for ARCFIRE storyboards
-- 
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