2 files changed, 162 insertions, 0 deletions
diff --git a/libs/asio/example/cpp03/spawn/Jamfile.v2 b/libs/asio/example/cpp03/spawn/Jamfile.v2
new file mode 100644
index 000000000..cea0fc107
--- /dev/null
+++ b/libs/asio/example/cpp03/spawn/Jamfile.v2
@@ -0,0 +1,40 @@
+#
+# 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)
+#
+
+import os ;
+
+if [ os.name ] = SOLARIS
+{
+  lib socket ;
+  lib nsl ;
+}
+else if [ os.name ] = NT
+{
+  lib ws2_32 ;
+  lib mswsock ;
+}
+else if [ os.name ] = HPUX
+{
+  lib ipv6 ;
+}
+
+exe server
+  : echo_server.cpp
+    /boost/context//boost_context
+    /boost/coroutine//boost_coroutine
+    /boost/system//boost_system
+  : <define>BOOST_ALL_NO_LIB=1
+    <threading>multi
+    <os>SOLARIS:<library>socket
+    <os>SOLARIS:<library>nsl
+    <os>NT:<define>_WIN32_WINNT=0x0501
+    <os>NT,<toolset>gcc:<library>ws2_32
+    <os>NT,<toolset>gcc:<library>mswsock
+    <os>NT,<toolset>gcc-cygwin:<define>__USE_W32_SOCKETS
+    <os>HPUX,<toolset>gcc:<define>_XOPEN_SOURCE_EXTENDED
+    <os>HPUX:<library>ipv6
+  ;
diff --git a/libs/asio/example/cpp03/spawn/echo_server.cpp b/libs/asio/example/cpp03/spawn/echo_server.cpp
new file mode 100644
index 000000000..b5e870f59
--- /dev/null
+++ b/libs/asio/example/cpp03/spawn/echo_server.cpp
@@ -0,0 +1,122 @@
+//
+// echo_server.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 <boost/asio/deadline_timer.hpp>
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/asio/spawn.hpp>
+#include <boost/asio/write.hpp>
+#include <boost/bind.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <iostream>
+
+using boost::asio::ip::tcp;
+
+class session : public boost::enable_shared_from_this<session>
+{
+public:
+  explicit session(boost::asio::io_service& io_service)
+    : strand_(io_service),
+      socket_(io_service),
+      timer_(io_service)
+  {
+  }
+
+  tcp::socket& socket()
+  {
+    return socket_;
+  }
+
+  void go()
+  {
+    boost::asio::spawn(strand_,
+        boost::bind(&session::echo,
+          shared_from_this(), _1));
+    boost::asio::spawn(strand_,
+        boost::bind(&session::timeout,
+          shared_from_this(), _1));
+  }
+
+private:
+  void echo(boost::asio::yield_context yield)
+  {
+    try
+    {
+      char data[128];
+      for (;;)
+      {
+        timer_.expires_from_now(boost::posix_time::seconds(10));
+        std::size_t n = socket_.async_read_some(boost::asio::buffer(data), yield);
+        boost::asio::async_write(socket_, boost::asio::buffer(data, n), yield);
+      }
+    }
+    catch (std::exception& e)
+    {
+      socket_.close();
+      timer_.cancel();
+    }
+  }
+
+  void timeout(boost::asio::yield_context yield)
+  {
+    while (socket_.is_open())
+    {
+      boost::system::error_code ignored_ec;
+      timer_.async_wait(yield[ignored_ec]);
+      if (timer_.expires_from_now() <= boost::posix_time::seconds(0))
+        socket_.close();
+    }
+  }
+
+  boost::asio::io_service::strand strand_;
+  tcp::socket socket_;
+  boost::asio::deadline_timer timer_;
+};
+
+void do_accept(boost::asio::io_service& io_service,
+    unsigned short port, boost::asio::yield_context yield)
+{
+  tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), port));
+
+  for (;;)
+  {
+    boost::system::error_code ec;
+    boost::shared_ptr<session> new_session(new session(io_service));
+    acceptor.async_accept(new_session->socket(), yield[ec]);
+    if (!ec) new_session->go();
+  }
+}
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 2)
+    {
+      std::cerr << "Usage: echo_server <port>\n";
+      return 1;
+    }
+
+    boost::asio::io_service io_service;
+
+    boost::asio::spawn(io_service,
+        boost::bind(do_accept,
+          boost::ref(io_service), atoi(argv[1]), _1));
+
+    io_service.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}