From 034e72bbc2aa3924bb5aac3a0d1238e3781b25b9 Mon Sep 17 00:00:00 2001
From: zerodefect <gavin.smith@coralbay.tv>
Date: Mon, 23 Oct 2017 11:40:49 +0100
Subject: [PATCH] Added example/test application to demonstrate boost asio
 io_service  handler.

---
 include/libboostasio.h | 21 ++++++++-------
 tests/libboostasio.cpp | 59 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+), 9 deletions(-)
 create mode 100644 tests/libboostasio.cpp

diff --git a/include/libboostasio.h b/include/libboostasio.h
index 0a76c76..2df986c 100644
--- a/include/libboostasio.h
+++ b/include/libboostasio.h
@@ -3,9 +3,11 @@
  *
  *  Implementation for the AMQP::TcpHandler that is optimized for boost::asio. You can
  *  use this class instead of a AMQP::TcpHandler class, just pass the boost asio service
- *  to the constructor and you're all set
+ *  to the constructor and you're all set.  See tests/libboostasio.cpp for example.
  *
  *  @author Gavin Smith <gavin.smith@coralbay.tv>
+ *
+ *
  */
 
 /**
@@ -19,9 +21,10 @@
 #include <memory>
 
 #include <boost/asio/io_service.hpp>
+#include <boost/asio/strand.hpp>
+#include <boost/asio/deadline_timer.hpp>
 #include <boost/asio/posix/stream_descriptor.hpp>
 #include <boost/bind.hpp>
-#include <boost/function.hpp>
 
 
 ///////////////////////////////////////////////////////////////////
@@ -78,7 +81,7 @@ private:
          *  @var class boost::asio::io_service&
          */
         boost::asio::io_service & _ioservice;
-        
+
         /**
          *  The boost asio io_service::strand managed pointer.
          *  @var class std::shared_ptr<boost::asio::io_service>
@@ -127,7 +130,7 @@ private:
          *  @note   The handler will get called if a read is cancelled.
          */
         void read_handler(const boost::system::error_code &ec,
-						  const std::size_t bytes_transferred,
+                          const std::size_t bytes_transferred,
                           const std::weak_ptr<Watcher> awpWatcher,
                           TcpConnection *const connection,
                           const int fd)
@@ -144,8 +147,8 @@ private:
                 connection->process(fd, AMQP::readable);
 
                 _read_pending = true;
-                
-                _socket.async_read_some(boost::asio::null_buffers(), 
+
+                _socket.async_read_some(boost::asio::null_buffers(),
                                         STRAND_SOCKET_HANDLER(
                                             boost::bind(&Watcher::read_handler,
                                             this,
@@ -313,13 +316,13 @@ private:
          *  @var class boost::asio::io_service&
          */
         boost::asio::io_service & _ioservice;
-        
+
         /**
          *  The boost asio io_service::strand managed pointer.
          *  @var class std::shared_ptr<boost::asio::io_service>
          */
         std::weak_ptr<boost::asio::io_service::strand> _strand;
-        
+
         /**
          *  The boost asynchronous deadline timer.
          *  @var class boost::asio::deadline_timer
@@ -483,7 +486,7 @@ private:
 				std::make_shared<Watcher>(_ioservice, _strand, fd);
 
             _watchers[fd] = apWatcher;
-            
+
             // explicitly set the events to monitor
             apWatcher->events(connection, fd, flags);
         }
diff --git a/tests/libboostasio.cpp b/tests/libboostasio.cpp
new file mode 100644
index 0000000..ee9555c
--- /dev/null
+++ b/tests/libboostasio.cpp
@@ -0,0 +1,59 @@
+/**
+ *  LibBoostAsio.cpp
+ * 
+ *  Test program to check AMQP functionality based on Boost's asio io_service.
+ * 
+ *  @author Gavin Smith <gavin.smith@coralbay.tv>
+ *
+ *  Compile with g++ libboostasio.cpp -o boost_test -lpthread -lboost_system -lamqpcpp
+ */
+
+/**
+ *  Dependencies
+ */
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/strand.hpp>
+#include <boost/asio/deadline_timer.hpp>
+
+
+#include <amqpcpp.h>
+#include <amqpcpp/libboostasio.h>
+
+/**
+ *  Main program
+ *  @return int
+ */
+int main()
+{
+
+    // access to the boost asio handler
+    // note: we suggest use of 2 threads - normally one is fin (we are simply demonstrating thread safety).
+    boost::asio::io_service service(4);
+
+    // create a work object to process our events.
+    boost::asio::io_service::work work(service);
+    
+    // handler for libev
+    AMQP::LibBoostAsioHandler handler(service);
+    
+    // make a connection
+    AMQP::TcpConnection connection(&handler, AMQP::Address("amqp://guest:guest@localhost/"));
+    
+    // we need a channel too
+    AMQP::TcpChannel channel(&connection);
+    
+    // create a temporary queue
+    channel.declareQueue(AMQP::exclusive).onSuccess([&connection](const std::string &name, uint32_t messagecount, uint32_t consumercount) {
+        
+        // report the name of the temporary queue
+        std::cout << "declared queue " << name << std::endl;
+        
+        // now we can close the connection
+        connection.close();
+    });
+    
+    // run the handler
+    // a t the moment, one will need SIGINT to stop.  In time, should add signal handling through boost API.
+    return service.run();
+}
+