From db718d3190ed2971d5bbca6b2b787a3bedd5cda7 Mon Sep 17 00:00:00 2001
From: James Turk <james.p.turk@gmail.com>
Date: Fri, 29 Jul 2011 13:04:44 -0400
Subject: [PATCH] oysterd

---
 oyster/bin/daemon.py               |  59 -----------------
 oyster/bin/oysterd.py              | 103 +++++++++++++++++++++++++++++
 oyster/bin/{oyster.py => shell.py} |   0
 3 files changed, 103 insertions(+), 59 deletions(-)
 delete mode 100644 oyster/bin/daemon.py
 create mode 100644 oyster/bin/oysterd.py
 rename oyster/bin/{oyster.py => shell.py} (100%)

diff --git a/oyster/bin/daemon.py b/oyster/bin/daemon.py
deleted file mode 100644
index 05728af..0000000
--- a/oyster/bin/daemon.py
+++ /dev/null
@@ -1,59 +0,0 @@
-import multiprocessing
-import time
-import urllib
-
-from ..client import Client
-
-class UpdateProcess(multiprocessing.Process):
-
-    def __init__(self, task_q):
-        super(UpdateProcess, self).__init__()
-        self.task_q = task_q
-        self.client = Client()
-
-
-    def run(self):
-        while True:
-            task = self.task_q.get()
-
-            # break on 'None' poison pill
-            if task is None:
-                self.task_q.task_done()
-                break
-
-            # update tracked document
-            self.client.update(task)
-
-            # decrement count for semaphore
-            self.task_q.task_done()
-
-
-def main():
-    num_processes = 4
-    sleep_upon_exhaustion = 60
-
-    c = Client()
-    work_queue = multiprocessing.JoinableQueue()
-    workers = [UpdateProcess(work_queue) for i in xrange(num_processes)]
-    for w in workers:
-        w.start()
-
-    # go forever
-    while True:
-
-        # get everything overdue and put it into the queue
-        next_set = c.get_update_queue()
-        if next_set:
-            for item in next_set:
-                work_queue.put(item)
-
-            # do all queued work
-            work_queue.join()
-
-        else:
-            # allow for a quiet period if queue is exhausted
-            time.sleep(sleep_upon_exhaustion)
-
-
-if __name__ == '__main__':
-    main()
diff --git a/oyster/bin/oysterd.py b/oyster/bin/oysterd.py
new file mode 100644
index 0000000..02e3505
--- /dev/null
+++ b/oyster/bin/oysterd.py
@@ -0,0 +1,103 @@
+import multiprocessing
+import signal
+import threading
+import time
+import urllib
+
+from oyster.client import Client
+from oyster.web import app
+
+
+class UpdateProcess(multiprocessing.Process):
+
+    def __init__(self, task_q):
+        super(UpdateProcess, self).__init__()
+        self.task_q = task_q
+        self.client = Client()
+
+
+    def run(self):
+        while True:
+            task = self.task_q.get()
+
+            # break on 'None' poison pill
+            if task is None:
+                self.task_q.task_done()
+                break
+
+            # update tracked document
+            self.client.update(task)
+
+            # decrement count for semaphore
+            self.task_q.task_done()
+
+
+class Producer(threading.Thread):
+    def __init__(self, queue, sleep_length):
+        super(Producer, self).__init__()
+        self.queue = queue
+        self.sleep_length = sleep_length
+        self.client = Client()
+        self._stop = threading.Event()
+
+    def run(self):
+        # go forever
+        while not self.stopped():
+
+            # get everything overdue and put it into the queue
+            next_set = self.client.get_update_queue()
+            if next_set:
+                for item in next_set:
+                    self.queue.put(item)
+
+                # do all queued work
+                self.queue.join()
+
+            else:
+                # allow for a quiet period if queue is exhausted
+                time.sleep(self.sleep_length)
+
+    def stop(self):
+        self._stop.set()
+
+    def stopped(self):
+        return self._stop.is_set()
+
+
+def main_process():
+    num_processes = 4
+
+    work_queue = multiprocessing.JoinableQueue()
+    producer = Producer(work_queue, 60)
+    workers = [UpdateProcess(work_queue) for i in xrange(num_processes)]
+    for w in workers:
+        w.start()
+    producer.start()
+
+
+def flask_process():
+    app.run(debug=True)
+
+
+def main():
+    num_processes = 4
+    debug = True
+
+    work_queue = multiprocessing.JoinableQueue()
+    producer = Producer(work_queue, 60)
+    workers = [UpdateProcess(work_queue) for i in xrange(num_processes)]
+    server = multiprocessing.Process(target=flask_process)
+
+    def cleanup(signal, frame):
+        for worker in workers:
+            worker.terminate()
+        producer.stop()
+        server.terminate()
+
+    for worker in workers:
+        worker.start()
+    producer.start()
+    server.start()
+
+if __name__ == '__main__':
+    main()
diff --git a/oyster/bin/oyster.py b/oyster/bin/shell.py
similarity index 100%
rename from oyster/bin/oyster.py
rename to oyster/bin/shell.py