Add homework 01 guarantees assignment

homework/01-guarantees/solution/guarantees.py

@@ -0,0 +1,177 @@
+from anysystem import Context, Message, Process
+
+
+# AT MOST ONCE ---------------------------------------------------------------------------------------------------------
+
+class AtMostOnceSender(Process):
+    def __init__(self, proc_id: str, receiver_id: str):
+        self._id = proc_id
+        self._receiver = receiver_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # receive message for delivery from local user
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver here
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+class AtMostOnceReceiver(Process):
+    def __init__(self, proc_id: str):
+        self._id = proc_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # not used in this task
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver
+        # deliver message to local user with ctx.send_local()
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+# AT LEAST ONCE --------------------------------------------------------------------------------------------------------
+
+class AtLeastOnceSender(Process):
+    def __init__(self, proc_id: str, receiver_id: str):
+        self._id = proc_id
+        self._receiver = receiver_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # receive message for delivery from local user
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver here
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+class AtLeastOnceReceiver(Process):
+    def __init__(self, proc_id: str):
+        self._id = proc_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # not used in this task
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver
+        # deliver message to local user with ctx.send_local()
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+# EXACTLY ONCE ---------------------------------------------------------------------------------------------------------
+
+class ExactlyOnceSender(Process):
+    def __init__(self, proc_id: str, receiver_id: str):
+        self._id = proc_id
+        self._receiver = receiver_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # receive message for delivery from local user
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver here
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+class ExactlyOnceReceiver(Process):
+    def __init__(self, proc_id: str):
+        self._id = proc_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # not used in this task
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver
+        # deliver message to local user with ctx.send_local()
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+# EXACTLY ONCE + ORDERED -----------------------------------------------------------------------------------------------
+
+class ExactlyOnceOrderedSender(Process):
+    def __init__(self, proc_id: str, receiver_id: str):
+        self._id = proc_id
+        self._receiver = receiver_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # receive message for delivery from local user
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver here
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass
+
+
+class ExactlyOnceOrderedReceiver(Process):
+    def __init__(self, proc_id: str):
+        self._id = proc_id
+
+    def on_local_message(self, msg: Message, ctx: Context):
+        # not used in this task
+        pass
+
+    def on_start(self, ctx: Context):
+        pass
+
+    def on_message(self, msg: Message, sender: str, ctx: Context):
+        # process messages from receiver
+        # deliver message to local user with ctx.send_local()
+        pass
+
+    def on_timer(self, timer_name: str, ctx: Context):
+        # process fired timers here
+        pass