svn commit: r570152 - in /incubator/qpid/trunk/qpid/cpp/src/qpid/broker: BrokerChannel.cpp BrokerChannel.h

[cctrieloff]

Author: cctrieloff
Date: Mon Aug 27 08:25:17 2007
New Revision: 570152

URL: http://svn.apache.org/viewvc?rev=570152&view=rev
Log:

- cache the exchange on a given Channel


Modified:
    incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.cpp
    incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.h

Modified: incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.cpp
URL: 
http://svn.apache.org/viewvc/incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.cpp?rev=570152&r1=570151&r2=570152&view=diff
==============================================================================
--- incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.cpp (original)
+++ incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.cpp Mon Aug 27 
08:25:17 2007
@@ -335,15 +335,25 @@
     }
 }
 
+
+
 void Channel::route(Message::shared_ptr msg, Deliverable& strategy) {
-    Exchange::shared_ptr exchange = 
connection.broker.getExchanges().get(msg->getExchange());
-    assert(exchange.get());
-    exchange->route(strategy, msg->getRoutingKey(), 
&(msg->getApplicationHeaders()));
+
+    std::string routeToExchangeName = msg->getExchange();
+    // cache the exchange lookup
+    if (!cacheExchange.get() || cacheExchangeName != routeToExchangeName){
+       cacheExchangeName = routeToExchangeName;
+       cacheExchange = 
connection.broker.getExchanges().get(routeToExchangeName);
+    }
+
+    assert(cacheExchange.get());
+    cacheExchange->route(strategy, msg->getRoutingKey(), 
&(msg->getApplicationHeaders()));
+
     if (!strategy.delivered) {
         //TODO:if reject-unroutable, then reject
         //else route to alternate exchange
-        if (exchange->getAlternate()) {
-            exchange->getAlternate()->route(strategy, msg->getRoutingKey(), 
&(msg->getApplicationHeaders()));
+        if (cacheExchange->getAlternate()) {
+            cacheExchange->getAlternate()->route(strategy, 
msg->getRoutingKey(), &(msg->getApplicationHeaders()));
         }
     }
 

Modified: incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.h
URL: 
http://svn.apache.org/viewvc/incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.h?rev=570152&r1=570151&r2=570152&view=diff
==============================================================================
--- incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.h (original)
+++ incubator/qpid/trunk/qpid/cpp/src/qpid/broker/BrokerChannel.h Mon Aug 27 
08:25:17 2007
@@ -74,6 +74,7 @@
         bool blocked;
         bool windowing;
         uint32_t msgCredit;
+       
         uint32_t byteCredit;
 
       public:
@@ -116,6 +117,10 @@
     MessageBuilder messageBuilder;//builder for in-progress message
     bool opened;
     bool flowActive;
+    
+    std::string cacheExchangeName;       // pair holds last exchange used for 
routing
+    Exchange::shared_ptr cacheExchange;
+    
     void route(Message::shared_ptr msg, Deliverable& strategy);
     void complete(Message::shared_ptr msg);// completion handler for 
MessageBuilder
     void record(const DeliveryRecord& delivery);