mempool subscribe works with outputs of transactions.

[electrum-server.git] / processor.py

diff --git a/processor.py b/processor.py
index 28df39e..446c37f 100644 (file)
--- a/processor.py
+++ b/processor.py
@@ -2,8 +2,17 @@ import json
 import socket
 import threading
 import time
+import traceback, sys
 import Queue as queue
 
+def random_string(N):
+    import random, string
+    return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
+
+def timestr():
+    return time.strftime("[%d/%m/%Y-%H:%M:%S]")
+
+
 class Shared:
 
     def __init__(self):
@@ -23,7 +32,40 @@ class Shared:
 class Processor(threading.Thread):
 
     def __init__(self):
-        self.shared = None
+        threading.Thread.__init__(self)
+        self.daemon = True
+        self.dispatcher = None
+
+    def process(self, request):
+        pass
+
+    def push_response(self, response):
+        print "response", response
+        #self.dispatcher.request_dispatcher.push_response(response)
+
+
+
+class Dispatcher:
+
+    def __init__(self):
+        self.shared = Shared()
+        self.request_dispatcher = RequestDispatcher(self.shared)
+        self.request_dispatcher.start()
+        self.response_dispatcher = ResponseDispatcher(self.shared, self.request_dispatcher)
+        self.response_dispatcher.start()
+
+    def register(self, prefix, processor):
+        processor.dispatcher = self
+        processor.shared = self.shared
+        processor.start()
+        self.request_dispatcher.processors[prefix] = processor
+
+
+
+class RequestDispatcher(threading.Thread):
+
+    def __init__(self, shared):
+        self.shared = shared
         threading.Thread.__init__(self)
         self.daemon = True
         self.request_queue = queue.Queue()
@@ -32,6 +74,7 @@ class Processor(threading.Thread):
         self.internal_id = 1
         self.lock = threading.Lock()
         self.sessions = []
+        self.processors = {}
 
     def push_response(self, item):
         self.response_queue.put(item)
@@ -61,28 +104,39 @@ class Processor(threading.Thread):
             raise TypeError("self.shared not set in Processor")
         while not self.shared.stopped():
             session, request = self.pop_request()
-
-            method = request['method']
-            params = request.get('params',[])
-
-            if method in [ 'numblocks.subscribe', 'address.subscribe', 'server.peers']:
-                session.subscribe_to_service(method, params)
-
-            # store session and id locally
-            request['id'] = self.store_session_id(session, request['id'])
-            self.process(request)
+            self.process(session, request)
 
         self.stop()
 
     def stop(self):
         pass
 
-    def process(self, request):
-        print "New request", request
-        # Do stuff...
-        # response = request
-        # When ready, you call
-        # self.push_response(response)
+    def process(self, session, request):
+        method = request['method']
+        params = request.get('params',[])
+
+        suffix = method.split('.')[-1]
+        if suffix == 'subscribe':
+            session.subscribe_to_service(method, params)
+
+        # store session and id locally
+        request['id'] = self.store_session_id(session, request['id'])
+
+        # dispatch request to the relevant module..
+        prefix = request['method'].split('.')[0]
+        try:
+            p = self.processors[prefix]
+        except:
+            print "error: no processor for", prefix
+            return
+        try:
+            p.process(request)
+        except:
+            traceback.print_exc(file=sys.stdout)
+
+        if method in ['server.version']:
+            session.version = params[0]
+
 
     def add_session(self, session):
         with self.lock:
@@ -107,6 +161,19 @@ class Session:
         self._stopped = False
         self.lock = threading.Lock()
         self.subscriptions = []
+        self.address = ''
+        self.name = ''
+        threading.Timer(2, self.info).start()
+
+    def info(self):
+        for s in self.subscriptions:
+            m, p = s
+            if m == 'blockchain.address.subscribe':
+                addr = p[0]
+                break
+        else:
+            addr = None
+        print timestr(), self.name, self.address, addr, len(self.subscriptions), self.version
 
     def stopped(self):
         with self.lock:
@@ -117,7 +184,7 @@ class Session:
             self.subscriptions.append((method, params))
     
 
-class Dispatcher(threading.Thread):
+class ResponseDispatcher(threading.Thread):
 
     def __init__(self, shared, processor):
         self.shared = shared
@@ -130,21 +197,22 @@ class Dispatcher(threading.Thread):
             response = self.processor.pop_response()
             #print "pop response", response
             internal_id = response.get('id')
-            params = response.get('params',[])
-            try:
-                method = response['method']
-            except:
-                print "no method", response
-                continue
-
-            if internal_id:
-                session, message_id = self.processor.get_session_id(internal_id)
-                response['id'] = message_id
-                session.send_response(response)
-
-            else:
+            params = response.get('params', [])
+
+            # This is wrong. "params" and "method" should never
+            # be in a response.
+            if internal_id is None:
+                method = response.get('method')
+                if method is None:
+                    print "no method", response
+                    continue
                 for session in self.processor.sessions:
                     if not session.stopped():
                         if (method,params) in session.subscriptions:
                             session.send_response(response)
+                continue
+
+            session, message_id = self.processor.get_session_id(internal_id)
+            response['id'] = message_id
+            session.send_response(response)