1 files changed, 142 insertions, 0 deletions
diff --git a/libs/asio/example/cpp03/local/connect_pair.cpp b/libs/asio/example/cpp03/local/connect_pair.cpp
new file mode 100644
index 000000000..4b7025aca
--- /dev/null
+++ b/libs/asio/example/cpp03/local/connect_pair.cpp
@@ -0,0 +1,142 @@
+//
+// connect_pair.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+#include <cctype>
+#include <boost/asio.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/array.hpp>
+#include <boost/bind.hpp>
+
+#if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
+
+using boost::asio::local::stream_protocol;
+
+class uppercase_filter
+{
+public:
+  uppercase_filter(boost::asio::io_service& io_service)
+    : socket_(io_service)
+  {
+  }
+
+  stream_protocol::socket& socket()
+  {
+    return socket_;
+  }
+
+  void start()
+  {
+    // Wait for request.
+    socket_.async_read_some(boost::asio::buffer(data_),
+        boost::bind(&uppercase_filter::handle_read,
+          this, boost::asio::placeholders::error,
+          boost::asio::placeholders::bytes_transferred));
+  }
+
+private:
+  void handle_read(const boost::system::error_code& ec, std::size_t size)
+  {
+    if (!ec)
+    {
+      // Compute result.
+      for (std::size_t i = 0; i < size; ++i)
+        data_[i] = std::toupper(data_[i]);
+
+      // Send result.
+      boost::asio::async_write(socket_, boost::asio::buffer(data_, size),
+          boost::bind(&uppercase_filter::handle_write,
+            this, boost::asio::placeholders::error));
+    }
+    else
+    {
+      throw boost::system::system_error(ec);
+    }
+  }
+
+  void handle_write(const boost::system::error_code& ec)
+  {
+    if (!ec)
+    {
+      // Wait for request.
+      socket_.async_read_some(boost::asio::buffer(data_),
+          boost::bind(&uppercase_filter::handle_read,
+            this, boost::asio::placeholders::error,
+            boost::asio::placeholders::bytes_transferred));
+    }
+    else
+    {
+      throw boost::system::system_error(ec);
+    }
+  }
+
+  stream_protocol::socket socket_;
+  boost::array<char, 512> data_;
+};
+
+void run(boost::asio::io_service* io_service)
+{
+  try
+  {
+    io_service->run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception in thread: " << e.what() << "\n";
+    std::exit(1);
+  }
+}
+
+int main()
+{
+  try
+  {
+    boost::asio::io_service io_service;
+
+    // Create filter and establish a connection to it.
+    uppercase_filter filter(io_service);
+    stream_protocol::socket socket(io_service);
+    boost::asio::local::connect_pair(socket, filter.socket());
+    filter.start();
+
+    // The io_service runs in a background thread to perform filtering.
+    boost::thread thread(boost::bind(run, &io_service));
+
+    for (;;)
+    {
+      // Collect request from user.
+      std::cout << "Enter a string: ";
+      std::string request;
+      std::getline(std::cin, request);
+
+      // Send request to filter.
+      boost::asio::write(socket, boost::asio::buffer(request));
+
+      // Wait for reply from filter.
+      std::vector<char> reply(request.size());
+      boost::asio::read(socket, boost::asio::buffer(reply));
+
+      // Show reply to user.
+      std::cout << "Result: ";
+      std::cout.write(&reply[0], request.size());
+      std::cout << std::endl;
+    }
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+    std::exit(1);
+  }
+}
+
+#else // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)