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-rw-r--r--cpp/src/qpid/broker/SessionAdapter.cpp115
1 files changed, 108 insertions, 7 deletions
diff --git a/cpp/src/qpid/broker/SessionAdapter.cpp b/cpp/src/qpid/broker/SessionAdapter.cpp
index 44245f9689..f9d352aa6a 100644
--- a/cpp/src/qpid/broker/SessionAdapter.cpp
+++ b/cpp/src/qpid/broker/SessionAdapter.cpp
@@ -19,27 +19,128 @@
*/
#include "SessionAdapter.h"
+#include "Session.h"
+#include "Connection.h"
+#include "qpid/framing/reply_exceptions.h"
+#include "qpid/framing/constants.h"
+#include "qpid/log/Statement.h"
namespace qpid {
namespace broker {
using namespace framing;
+// FIXME aconway 2007-08-31: the SessionAdapter should create its
+// private proxy directly on the connections out handler.
+// Session/channel methods should not go thru the other layers.
+// Need to get rid of ChannelAdapter and allow proxies to be created
+// directly on output handlers.
+//
+framing::AMQP_ClientProxy& SessionAdapter::getProxy() {
+ return session->getProxy();
+}
+
SessionAdapter::SessionAdapter(Connection& c, ChannelId ch)
- : connection(c), channel(ch)
+ : connection(c), channel(ch), ignoring(false)
{
- // FIXME aconway 2007-08-29: When we handle session commands,
- // do this on open.
- session.reset(new Session(*this, 0));
+ in = this;
+ out = &c.getOutput();
}
SessionAdapter::~SessionAdapter() {}
+namespace {
+ClassId classId(AMQMethodBody* m) { return m ? m->amqpMethodId() : 0; }
+MethodId methodId(AMQMethodBody* m) { return m ? m->amqpClassId() : 0; }
+} // namespace
void SessionAdapter::handle(AMQFrame& f) {
- // FIXME aconway 2007-08-29: handle session commands here, forward
- // other frames.
- session->in(f);
+ // Note on channel states: a channel is open if session != 0. A
+ // channel that is closed (session == 0) can be in the "ignoring"
+ // state. This is a temporary state after we have sent a channel
+ // exception, where extra frames might arrive that should be
+ // ignored.
+ //
+ AMQMethodBody* m=f.getMethod();
+ try {
+ if (m && m->invoke(static_cast<Invocable*>(this)))
+ return;
+ else if (session)
+ session->in(f);
+ else if (!ignoring)
+ throw ChannelErrorException(
+ QPID_MSG("Channel " << channel << " is not open"));
+ } catch(const ChannelException& e){
+ getProxy().getChannel().close(
+ e.code, e.toString(), classId(m), methodId(m));
+ session.reset();
+ ignoring=true; // Ignore trailing frames sent by client.
+ }catch(const ConnectionException& e){
+ connection.close(e.code, e.what(), classId(m), methodId(m));
+ }catch(const std::exception& e){
+ connection.close(
+ framing::INTERNAL_ERROR, e.what(), classId(m), methodId(m));
+ }
+}
+
+void SessionAdapter::assertOpen(const char* method) {
+ if (!session)
+ throw ChannelErrorException(
+ QPID_MSG(""<<method<<" failed: No session for channel "
+ << getChannel()));
+}
+
+void SessionAdapter::assertClosed(const char* method) {
+ // FIXME aconway 2007-08-31: Should raise channel-busy, need
+ // to update spec.
+ if (session)
+ throw PreconditionFailedException(
+ QPID_MSG(""<<method<<" failed: "
+ << channel << " already open on channel "
+ << getChannel()));
+}
+
+void SessionAdapter::open(const string& /*outOfBand*/){
+ assertClosed("open");
+ session.reset(new Session(*this, 0));
+ getProxy().getChannel().openOk();
+}
+
+// FIXME aconway 2007-08-31: flow is no longer in the spec.
+void SessionAdapter::flow(bool active){
+ session->flow(active);
+ getProxy().getChannel().flowOk(active);
+}
+
+void SessionAdapter::flowOk(bool /*active*/){}
+
+void SessionAdapter::close(uint16_t replyCode,
+ const string& replyText,
+ uint16_t classId, uint16_t methodId)
+{
+ // FIXME aconway 2007-08-31: Extend constants.h to map codes & ids
+ // to text names.
+ QPID_LOG(warning, "Received session.close("<<replyCode<<","
+ <<replyText << ","
+ << "classid=" <<classId<< ","
+ << "methodid=" <<methodId);
+ ignoring=false;
+ getProxy().getChannel().closeOk();
+ // FIXME aconway 2007-08-31: sould reset session BEFORE
+ // sending closeOK to avoid races. SessionAdapter
+ // needs its own private proxy, see getProxy() above.
+ session.reset();
+ // No need to remove from connection map, will be re-used
+ // if channel is re-opened.
+}
+
+void SessionAdapter::closeOk(){
+ ignoring=false;
}
+void SessionAdapter::ok()
+{
+ //no specific action required, generic response handling should be
+ //sufficient
+}
}} // namespace qpid::broker