From 80406d0fb680239a0141b81fb0b9f20d20c9b1e1 Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Fri, 27 Jul 2007 15:44:52 +0000
Subject: Use execution layer to acknowledge messages. Turn off 0-9 framing of
 requests and responses. Some refactoring around message delivery.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@560285 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/broker/SemanticHandler.cpp | 52 +++++++++++++++++++++++++++++----
 1 file changed, 46 insertions(+), 6 deletions(-)

(limited to 'cpp/src/qpid/broker/SemanticHandler.cpp')

diff --git a/cpp/src/qpid/broker/SemanticHandler.cpp b/cpp/src/qpid/broker/SemanticHandler.cpp
index 2b1de1bbc0..e9ec698400 100644
--- a/cpp/src/qpid/broker/SemanticHandler.cpp
+++ b/cpp/src/qpid/broker/SemanticHandler.cpp
@@ -25,10 +25,11 @@
 
 using namespace qpid::broker;
 using namespace qpid::framing;
+using namespace qpid::sys;
 
 SemanticHandler::SemanticHandler(ChannelId id, Connection& c) : 
     connection(c),
-    channel(c, id, &c.broker.getStore())
+    channel(c, *this, id, &c.broker.getStore())
 {
     init(id, connection.getOutput(), connection.getVersion());
     adapter = std::auto_ptr<BrokerAdapter>(new BrokerAdapter(channel, connection, connection.broker, *this));
@@ -75,10 +76,24 @@ void SemanticHandler::handleMethodInContext(boost::shared_ptr<qpid::framing::AMQ
     }
 }
 
-void SemanticHandler::complete(uint32_t mark, uint16_t /*range- not decoded correctly yet*/) 
+void SemanticHandler::complete(uint32_t cumulative, SequenceNumberSet range) 
 {
-    //just record it for now (will eventually need to use it to ack messages):
-    outgoing.lwm = SequenceNumber(mark);
+    //record: 
+    SequenceNumber mark(cumulative);
+    if (outgoing.lwm < mark) {
+        outgoing.lwm = mark;
+        //ack messages:
+        channel.ack(mark.getValue(), true);
+        //std::cout << "[" << this << "] acknowledged: " << mark << std::endl;
+    }
+    if (range.size() % 2) { //must be even number        
+        throw ConnectionException(530, "Received odd number of elements in ranged mark");
+    } else {
+        //TODO: need to keep a record of the full range previously acked
+        for (SequenceNumberSet::iterator i = range.begin(); i != range.end(); i++) {
+            channel.ack((uint64_t) i->getValue(), (uint64_t) (++i)->getValue());
+        }
+    }
 }
 
 void SemanticHandler::flush()
@@ -86,8 +101,8 @@ void SemanticHandler::flush()
     //flush doubles as a sync to begin with - send an execution.complete
     incoming.lwm = incoming.hwm;
     if (isOpen()) {
-        /*use dummy value for range which is not yet encoded correctly*/
-        send(make_shared_ptr(new ExecutionCompleteBody(getVersion(), incoming.hwm.getValue(), 0)));
+        Mutex::ScopedLock l(outLock);
+        ChannelAdapter::send(make_shared_ptr(new ExecutionCompleteBody(getVersion(), incoming.hwm.getValue(), SequenceNumberSet())));
     }
 }
 
@@ -140,3 +155,28 @@ void SemanticHandler::handleHeartbeat(boost::shared_ptr<qpid::framing::AMQHeartb
     channel.handleHeartbeat(body);
 }
 
+DeliveryId SemanticHandler::deliver(Message::shared_ptr& msg, DeliveryToken::shared_ptr token)
+{
+    Mutex::ScopedLock l(outLock);
+    SequenceNumber copy(outgoing.hwm);
+    ++copy;
+    msg->deliver(*this, copy.getValue(), token, connection.getFrameMax());
+    //std::cout << "[" << this << "] delivered: " << outgoing.hwm.getValue() << std::endl;
+    return outgoing.hwm.getValue();
+}
+
+void SemanticHandler::redeliver(Message::shared_ptr& msg, DeliveryToken::shared_ptr token, DeliveryId tag)
+{
+    msg->deliver(*this, tag, token, connection.getFrameMax());
+}
+
+RequestId SemanticHandler::send(shared_ptr<AMQBody> body, Correlator::Action action)
+{
+    Mutex::ScopedLock l(outLock);
+    uint8_t type(body->type());
+    if (type == REQUEST_BODY || type == RESPONSE_BODY || type == METHOD_BODY) {
+        ++outgoing.hwm;
+        //std::cout << "[" << this << "] allocated: " << outgoing.hwm.getValue() << " to " << *body  << std::endl;
+    }
+    return ChannelAdapter::send(body, action);
+}
-- 
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