Import of qpid from etp:

  URL: https://etp.108.redhat.com/svn/etp/trunk/blaze
  Repository Root: https://etp.108.redhat.com/svn/etp
  Repository UUID: 06e15bec-b515-0410-bef0-cc27a458cf48
  Revision: 608



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@447994 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 100 insertions, 0 deletions

diff --git a/cpp/common/io/src/APRIOProcessor.cpp b/cpp/common/io/src/APRIOProcessor.cpp
new file mode 100644
index 0000000000..d630f2f315
--- /dev/null
+++ b/cpp/common/io/src/APRIOProcessor.cpp
@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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 "APRIOProcessor.h"
+#include "APRBase.h"
+#include "QpidError.h"
+
+using namespace qpid::io;
+using namespace qpid::concurrent;
+
+APRIOProcessor::APRIOProcessor(apr_pool_t* pool, int _size, int _timeout) : size(_size), 
+                                                                            timeout(_timeout), 
+                                                                            count(0), 
+                                                                            thread(pool, this), 
+                                                                            stopped(false){
+
+    CHECK_APR_SUCCESS(apr_pollset_create(&pollset, size, pool, APR_POLLSET_THREADSAFE));
+    thread.start();
+}
+
+void APRIOProcessor::add(apr_pollfd_t* const fd){
+    CHECK_APR_SUCCESS(apr_pollset_add(pollset, fd));
+    lock.acquire();
+    if(!count++) lock.notify();
+    lock.release();
+}
+
+void APRIOProcessor::remove(apr_pollfd_t* const fd){
+    CHECK_APR_SUCCESS(apr_pollset_remove(pollset, fd));
+    lock.acquire();
+    count--;
+    lock.release();
+}
+
+bool APRIOProcessor::full(){
+    lock.acquire();
+    bool full = count == size; 
+    lock.release();
+    return full;
+}
+
+bool APRIOProcessor::empty(){
+    lock.acquire();
+    bool empty = count == 0; 
+    lock.release();
+    return empty;
+}
+
+void APRIOProcessor::poll(){
+    try{
+        int signalledCount;
+        const apr_pollfd_t* signalledFDs;
+        apr_status_t status = apr_pollset_poll(pollset, timeout, &signalledCount, &signalledFDs);
+        if(status == APR_SUCCESS){
+            for(int i = 0; i < signalledCount; i++){
+                IOSessionHolder* session = reinterpret_cast<IOSessionHolder*>(signalledFDs[i].client_data);
+                if(signalledFDs[i].rtnevents & APR_POLLIN) session->read();
+                if(signalledFDs[i].rtnevents & APR_POLLOUT) session->write();
+            }
+        }
+    }catch(qpid::QpidError error){
+	std::cout << "Error [" << error.code << "] " << error.msg << " (" << error.file << ":" << error.line << ")" << std::endl;
+    }
+
+}
+
+void APRIOProcessor::run(){
+    while(!stopped){
+        lock.acquire();
+        while(count == 0) lock.wait();
+        lock.release();
+        poll();
+    }
+}
+
+void APRIOProcessor::stop(){
+    lock.acquire();
+    stopped = true;
+    lock.notify();
+    lock.release();
+}
+
+APRIOProcessor::~APRIOProcessor(){
+    CHECK_APR_SUCCESS(apr_pollset_destroy(pollset));
+}
+