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authorAlan Conway <aconway@apache.org>2007-04-13 20:58:27 +0000
committerAlan Conway <aconway@apache.org>2007-04-13 20:58:27 +0000
commitca3a7cd64822e874076bd23e9981af077eb47b03 (patch)
tree677b7d1a4940d10bbb7874a5138c9c2dd45429a7 /cpp/src/qpid/sys/apr/LFSessionContext.cpp
parentee865f87027fb559d8884cca3f672a8cbdd44ae0 (diff)
downloadqpid-python-ca3a7cd64822e874076bd23e9981af077eb47b03.tar.gz
Moved src/ source code to src/qpid directory:
- allows rhm package to build consistently against checked-out or installed qpid. - consistent correspondence between source paths and C++ namespaces. - consistent use of #include <qpid/foo> in source and by users. - allows header files to split over multiple directories, e.g. separating generated code, separating public API from private files. git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@528668 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src/qpid/sys/apr/LFSessionContext.cpp')
-rw-r--r--cpp/src/qpid/sys/apr/LFSessionContext.cpp179
1 files changed, 179 insertions, 0 deletions
diff --git a/cpp/src/qpid/sys/apr/LFSessionContext.cpp b/cpp/src/qpid/sys/apr/LFSessionContext.cpp
new file mode 100644
index 0000000000..4f5fcb269e
--- /dev/null
+++ b/cpp/src/qpid/sys/apr/LFSessionContext.cpp
@@ -0,0 +1,179 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "LFSessionContext.h"
+#include "APRBase.h"
+#include "qpid/QpidError.h"
+#include <assert.h>
+
+using namespace qpid::sys;
+using namespace qpid::sys;
+using namespace qpid::framing;
+
+LFSessionContext::LFSessionContext(apr_pool_t* _pool, apr_socket_t* _socket,
+ LFProcessor* const _processor,
+ bool _debug) :
+ debug(_debug),
+ socket(_socket),
+ initiated(false),
+ in(65536),
+ out(65536),
+ processor(_processor),
+ processing(false),
+ closing(false)
+{
+
+ fd.p = _pool;
+ fd.desc_type = APR_POLL_SOCKET;
+ fd.reqevents = APR_POLLIN;
+ fd.client_data = this;
+ fd.desc.s = _socket;
+
+ out.flip();
+}
+
+LFSessionContext::~LFSessionContext(){
+
+}
+
+void LFSessionContext::read(){
+ socket.read(in);
+ in.flip();
+ if(initiated){
+ AMQFrame frame;
+ try{
+ while(frame.decode(in)){
+ if(debug) log("RECV", &frame);
+ handler->received(&frame);
+ }
+ }catch(QpidError error){
+ std::cout << "Error [" << error.code << "] " << error.msg
+ << " (" << error.loc.file << ":" << error.loc.line
+ << ")" << std::endl;
+ }
+ }else{
+ ProtocolInitiation protocolInit;
+ if(protocolInit.decode(in)){
+ handler->initiated(protocolInit);
+ initiated = true;
+ if(debug) std::cout << "INIT [" << &socket << "]" << std::endl;
+ }
+ }
+ in.compact();
+}
+
+void LFSessionContext::write(){
+ bool done = isClosed();
+ while(!done){
+ if(out.available() > 0){
+ socket.write(out);
+ if(out.available() > 0){
+
+ //incomplete write, leave flags to receive notification of readiness to write
+ done = true;//finished processing for now, but write is still in progress
+ }
+ }else{
+ //do we have any frames to write?
+ Mutex::ScopedLock l(writeLock);
+ if(!framesToWrite.empty()){
+ out.clear();
+ bool encoded(false);
+ AMQFrame* frame = framesToWrite.front();
+ while(frame && out.available() >= frame->size()){
+ encoded = true;
+ frame->encode(out);
+ if(debug) log("SENT", frame);
+ delete frame;
+ framesToWrite.pop();
+ frame = framesToWrite.empty() ? 0 : framesToWrite.front();
+ }
+ if(!encoded) THROW_QPID_ERROR(FRAMING_ERROR, "Could not write frame, too large for buffer.");
+ out.flip();
+ }else{
+ //reset flags, don't care about writability anymore
+ fd.reqevents = APR_POLLIN;
+ done = true;
+
+ if(closing){
+ socket.close();
+ }
+ }
+ }
+ }
+}
+
+void LFSessionContext::send(AMQFrame* frame){
+ Mutex::ScopedLock l(writeLock);
+ if(!closing){
+ framesToWrite.push(frame);
+ if(!(fd.reqevents & APR_POLLOUT)){
+ fd.reqevents |= APR_POLLOUT;
+ if(!processing){
+ processor->update(&fd);
+ }
+ }
+ }
+}
+
+void LFSessionContext::startProcessing(){
+ Mutex::ScopedLock l(writeLock);
+ processing = true;
+ processor->deactivate(&fd);
+}
+
+void LFSessionContext::stopProcessing(){
+ Mutex::ScopedLock l(writeLock);
+ processor->reactivate(&fd);
+ processing = false;
+}
+
+void LFSessionContext::close(){
+ Mutex::ScopedLock l(writeLock);
+ closing = true;
+ if(!processing){
+ //allow pending frames to be written to socket
+ fd.reqevents = APR_POLLOUT;
+ processor->update(&fd);
+ }
+}
+
+void LFSessionContext::handleClose(){
+ handler->closed();
+ std::cout << "Session closed [" << &socket << "]" << std::endl;
+ delete handler;
+ delete this;
+}
+
+void LFSessionContext::shutdown(){
+ socket.close();
+ handleClose();
+}
+
+void LFSessionContext::init(ConnectionInputHandler* _handler){
+ handler = _handler;
+ processor->add(&fd);
+}
+
+void LFSessionContext::log(const std::string& desc, AMQFrame* const frame){
+ Mutex::ScopedLock l(logLock);
+ std::cout << desc << " [" << &socket << "]: " << *frame << std::endl;
+}
+
+Mutex LFSessionContext::logLock;