Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 0 insertions, 228 deletions

diff --git a/cpp/src/qpid/sys/AsynchIOHandler.cpp b/cpp/src/qpid/sys/AsynchIOHandler.cpp
deleted file mode 100644
index 30a87d9d44..0000000000
--- a/cpp/src/qpid/sys/AsynchIOHandler.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- *
- * 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 "qpid/sys/AsynchIOHandler.h"
-#include "qpid/sys/AsynchIO.h"
-#include "qpid/sys/Socket.h"
-#include "qpid/sys/SecuritySettings.h"
-#include "qpid/framing/AMQP_HighestVersion.h"
-#include "qpid/framing/ProtocolInitiation.h"
-#include "qpid/log/Statement.h"
-
-#include <boost/bind.hpp>
-
-namespace qpid {
-namespace sys {
-
-// Buffer definition
-struct Buff : public AsynchIO::BufferBase {
-    Buff() :
-        AsynchIO::BufferBase(new char[65536], 65536)
-    {}
-    ~Buff()
-    { delete [] bytes;}
-};
-
-AsynchIOHandler::AsynchIOHandler(std::string id, ConnectionCodec::Factory* f) :
-    identifier(id),
-    aio(0),
-    factory(f),
-    codec(0),
-    readError(false),
-    isClient(false),
-    readCredit(InfiniteCredit)
-{}
-
-AsynchIOHandler::~AsynchIOHandler() {
-    if (codec)
-        codec->closed();
-    delete codec;
-}
-
-void AsynchIOHandler::init(AsynchIO* a, int numBuffs) {
-    aio = a;
-
-    // Give connection some buffers to use
-    for (int i = 0; i < numBuffs; i++) {
-        aio->queueReadBuffer(new Buff);
-    }
-}
-
-void AsynchIOHandler::write(const framing::ProtocolInitiation& data)
-{
-    QPID_LOG(debug, "SENT [" << identifier << "] INIT(" << data << ")");
-    AsynchIO::BufferBase* buff = aio->getQueuedBuffer();
-    if (!buff)
-        buff = new Buff;
-    framing::Buffer out(buff->bytes, buff->byteCount);
-    data.encode(out);
-    buff->dataCount = data.encodedSize();
-    aio->queueWrite(buff);
-}
-
-void AsynchIOHandler::abort() {
-    // Don't disconnect if we're already disconnecting
-    if (!readError) {
-        aio->requestCallback(boost::bind(&AsynchIOHandler::eof, this, _1));
-    }
-}
-
-void AsynchIOHandler::activateOutput() {
-    aio->notifyPendingWrite();
-}
-
-// Input side
-void AsynchIOHandler::giveReadCredit(int32_t credit) {
-    // Check whether we started in the don't about credit state
-    if (readCredit.boolCompareAndSwap(InfiniteCredit, credit))
-        return;
-    // TODO In theory should be able to use an atomic operation before taking the lock
-    // but in practice there seems to be an unexplained race in that case
-    ScopedLock<Mutex> l(creditLock);
-    if (readCredit.fetchAndAdd(credit) != 0)
-        return;
-    assert(readCredit.get() >= 0);
-    if (readCredit.get() != 0)
-        aio->startReading();
-}
-
-void AsynchIOHandler::readbuff(AsynchIO& , AsynchIO::BufferBase* buff) {
-    if (readError) {
-        return;
-    }
-
-    // Check here for read credit
-    if (readCredit.get() != InfiniteCredit) {
-        if (readCredit.get() == 0) {
-            // FIXME aconway 2009-10-01:  Workaround to avoid "false wakeups".
-            // readbuff is sometimes called with no credit.
-            // This should be fixed somewhere else to avoid such calls.
-            aio->unread(buff);
-            return;
-        }
-        // TODO In theory should be able to use an atomic operation before taking the lock
-        // but in practice there seems to be an unexplained race in that case
-        ScopedLock<Mutex> l(creditLock);
-        if (--readCredit == 0) {
-            assert(readCredit.get() >= 0);
-            if (readCredit.get() == 0) {
-                aio->stopReading();
-            }
-        }
-    }
-
-    size_t decoded = 0;
-    if (codec) {                // Already initiated
-        try {
-            decoded = codec->decode(buff->bytes+buff->dataStart, buff->dataCount);
-        }catch(const std::exception& e){
-            QPID_LOG(error, e.what());
-            readError = true;
-            aio->queueWriteClose();
-        }
-    }else{
-        framing::Buffer in(buff->bytes+buff->dataStart, buff->dataCount);
-        framing::ProtocolInitiation protocolInit;
-        if (protocolInit.decode(in)) {
-            decoded = in.getPosition();
-            QPID_LOG(debug, "RECV [" << identifier << "] INIT(" << protocolInit << ")");
-            try {
-                codec = factory->create(protocolInit.getVersion(), *this, identifier, SecuritySettings());
-                if (!codec) {
-                    //TODO: may still want to revise this...
-                    //send valid version header & close connection.
-                    write(framing::ProtocolInitiation(framing::highestProtocolVersion));
-                    readError = true;
-                    aio->queueWriteClose();
-                }
-            } catch (const std::exception& e) {
-                QPID_LOG(error, e.what());
-                readError = true;
-                aio->queueWriteClose();
-            }
-        }
-    }
-    // TODO: unreading needs to go away, and when we can cope
-    // with multiple sub-buffers in the general buffer scheme, it will
-    if (decoded != size_t(buff->dataCount)) {
-        // Adjust buffer for used bytes and then "unread them"
-        buff->dataStart += decoded;
-        buff->dataCount -= decoded;
-        aio->unread(buff);
-    } else {
-        // Give whole buffer back to aio subsystem
-        aio->queueReadBuffer(buff);
-    }
-}
-
-void AsynchIOHandler::eof(AsynchIO& a) {
-    disconnect(a);
-    readError = true;
-    aio->queueWriteClose();
-}
-
-void AsynchIOHandler::closedSocket(AsynchIO&, const Socket& s) {
-    // If we closed with data still to send log a warning
-    if (!aio->writeQueueEmpty()) {
-        QPID_LOG(warning, "CLOSING [" << identifier << "] unsent data (probably due to client disconnect)");
-    }
-    delete &s;
-    aio->queueForDeletion();
-    delete this;
-}
-
-void AsynchIOHandler::disconnect(AsynchIO&) {
-    QPID_LOG(debug, "DISCONNECTED [" << identifier << "]");
-    if (codec) codec->closed();
-}
-
-// Notifications
-void AsynchIOHandler::nobuffs(AsynchIO&) {
-}
-
-void AsynchIOHandler::idle(AsynchIO&){
-    if (isClient && codec == 0) {
-        codec = factory->create(*this, identifier, SecuritySettings());
-        write(framing::ProtocolInitiation(codec->getVersion()));
-        return;
-    }
-    if (codec == 0) return;
-    try {
-        if (codec->canEncode()) {
-            // Try and get a queued buffer if not then construct new one
-            AsynchIO::BufferBase* buff = aio->getQueuedBuffer();
-            if (!buff) buff = new Buff;
-            size_t encoded=codec->encode(buff->bytes, buff->byteCount);
-            buff->dataCount = encoded;
-            aio->queueWrite(buff);
-        }
-        if (codec->isClosed()) {
-            readError = true;
-            aio->queueWriteClose();
-        }
-    } catch (const std::exception& e) {
-        QPID_LOG(error, e.what());
-        readError = true;
-        aio->queueWriteClose();
-    }
-}
-
-}} // namespace qpid::sys