From 45b526ce09daee869ec1313808583f7e05bff7bb Mon Sep 17 00:00:00 2001
From: Andrew Stitcher <astitcher@apache.org>
Date: Mon, 18 Jun 2007 12:11:32 +0000
Subject: Intermediate checkin with preliminary work on epoll based net IO

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@548337 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/tests/DispatcherTest.cpp | 128 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 cpp/src/tests/DispatcherTest.cpp

(limited to 'cpp/src/tests/DispatcherTest.cpp')

diff --git a/cpp/src/tests/DispatcherTest.cpp b/cpp/src/tests/DispatcherTest.cpp
new file mode 100644
index 0000000000..7631956acc
--- /dev/null
+++ b/cpp/src/tests/DispatcherTest.cpp
@@ -0,0 +1,128 @@
+/*
+ *
+ * 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/Poller.h"
+#include "qpid/sys/Dispatcher.h"
+#include "qpid/sys/Thread.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <iostream>
+#include <boost/bind.hpp>
+
+using namespace std;
+using namespace qpid::sys;
+
+int writeALot(int fd, const string& s) {
+    int bytesWritten = 0;
+    do {
+        errno = 0;
+        int lastWrite = ::write(fd, s.c_str(), s.size());
+        if ( lastWrite >= 0) {
+            bytesWritten += lastWrite;
+        } 
+    } while (errno != EAGAIN);
+    return bytesWritten;
+}
+
+int readALot(int fd) {
+    int bytesRead = 0;
+    char buf[10240];
+    
+    do {
+        errno = 0;
+        int lastRead = ::read(fd, buf, sizeof(buf));
+        if ( lastRead >= 0) {
+            bytesRead += lastRead;
+        } 
+    } while (errno != EAGAIN);
+    return bytesRead;
+}
+
+int64_t writtenBytes = 0;
+int64_t readBytes = 0;
+
+void writer(DispatchHandle& h, int fd, const string& s) {
+    writtenBytes += writeALot(fd, s);
+    h.rewatch();
+}
+
+void reader(DispatchHandle& h, int fd) {
+    readBytes += readALot(fd);
+    h.rewatch();
+}
+
+int main(int argc, char** argv)
+{
+    // Create poller
+    Poller::shared_ptr poller(new Poller);
+    
+    // Create dispatcher thread
+    Dispatcher d(poller);
+    Dispatcher d1(poller);
+    //Dispatcher d2(poller);
+    //Dispatcher d3(poller);
+    Thread dt(d);
+    Thread dt1(d1);
+    //Thread dt2(d2);
+    //Thread dt3(d3);
+
+    // Setup sender and receiver
+    int sv[2];
+    int rc = ::socketpair(AF_LOCAL, SOCK_STREAM, 0, sv);
+    assert(rc >= 0);
+    
+    // Set non-blocking
+    rc = ::fcntl(sv[0], F_SETFL, O_NONBLOCK);
+    assert(rc >= 0);
+
+    rc = ::fcntl(sv[1], F_SETFL, O_NONBLOCK);
+    assert(rc >= 0);
+    
+    // Make up a large string
+    string testString = "This is only a test ... 1,2,3,4,5,6,7,8,9,10;";
+    for (int i = 0; i < 8; i++)
+        testString += testString;
+
+    DispatchHandle rh(sv[0], boost::bind(reader, _1, sv[0]), 0);
+    DispatchHandle wh(sv[1], 0, boost::bind(writer, _1, sv[1], testString));    
+
+    rh.watch(poller);
+    wh.watch(poller);
+
+    // wait 2 minutes then shutdown
+    sleep(60);
+    
+    poller->shutdown();
+    dt.join();
+    dt1.join();
+    //dt2.join();
+    //dt3.join();
+
+    cout << "Wrote: " << writtenBytes << "\n";
+    cout << "Read: " << readBytes << "\n";
+    
+    return 0;
+}
-- 
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