Initial commit of Ccnet server.

python/ccnet/async/processor.py

@@ -0,0 +1,57 @@
+import logging
+
+from ccnet.packet import SLAVE_BIT_MASK, to_print_id
+from ccnet.status_code import SC_PROC_DONE, SS_PROC_DONE, PROC_DONE
+
+class Processor(object):
+    """Base processor class"""
+
+    name = "Processor"
+    def __init__(self, name, id, peer_id, client):
+        self.name = name
+        self.id = id
+        self.peer_id = peer_id
+        self.client = client
+
+    def start(self, *args, **kwargs):
+        raise NotImplementedError
+
+    def handle_request(self, *args, **kwargs):
+        raise NotImplementedError
+        
+    def handle_update(self, *args, **kwargs):
+        raise NotImplementedError
+        
+    def handle_response(self, *args, **kwargs):
+        raise NotImplementedError
+
+    def __str__(self):
+        return "<proc %s(%d)>" % (self.name, to_print_id(self.id))
+
+    def is_master(self):
+        return not (self.id & SLAVE_BIT_MASK)
+
+    def send_request(self, buf):
+        assert self.is_master()
+        
+        return self.client.send_request(self.id, buf)
+
+    def send_response(self, code, code_msg, content=''):
+        assert not self.is_master()
+        
+        return self.client.send_response(self.id, code, code_msg, content)
+
+    def send_update(self, code, code_msg, content=''):
+        assert self.is_master()
+        
+        return self.client.send_update(self.id, code, code_msg, content)
+
+    def done(self, success):
+        if self.is_master() and success:
+            self.send_update(SC_PROC_DONE, SS_PROC_DONE, '')
+        self.client.remove_processor(self)
+
+    def shutdown(self, reason):
+        if reason > PROC_DONE:
+            logging.debug('shut down %s: %s', self, reason)
+        self.client.remove_processor(self)