1 files changed, 177 insertions, 0 deletions
diff --git a/doc/html/boost_asio/example/cpp03/chat/chat_client.cpp b/doc/html/boost_asio/example/cpp03/chat/chat_client.cpp
new file mode 100644
index 0000000000..71bd50d6d2
--- /dev/null
+++ b/doc/html/boost_asio/example/cpp03/chat/chat_client.cpp
@@ -0,0 +1,177 @@
+//
+// chat_client.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2017 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 <cstdlib>
+#include <deque>
+#include <iostream>
+#include <boost/bind.hpp>
+#include <boost/asio.hpp>
+#include <boost/thread/thread.hpp>
+#include "chat_message.hpp"
+
+using boost::asio::ip::tcp;
+
+typedef std::deque<chat_message> chat_message_queue;
+
+class chat_client
+{
+public:
+  chat_client(boost::asio::io_service& io_service,
+      tcp::resolver::iterator endpoint_iterator)
+    : io_service_(io_service),
+      socket_(io_service)
+  {
+    boost::asio::async_connect(socket_, endpoint_iterator,
+        boost::bind(&chat_client::handle_connect, this,
+          boost::asio::placeholders::error));
+  }
+
+  void write(const chat_message& msg)
+  {
+    io_service_.post(boost::bind(&chat_client::do_write, this, msg));
+  }
+
+  void close()
+  {
+    io_service_.post(boost::bind(&chat_client::do_close, this));
+  }
+
+private:
+
+  void handle_connect(const boost::system::error_code& error)
+  {
+    if (!error)
+    {
+      boost::asio::async_read(socket_,
+          boost::asio::buffer(read_msg_.data(), chat_message::header_length),
+          boost::bind(&chat_client::handle_read_header, this,
+            boost::asio::placeholders::error));
+    }
+  }
+
+  void handle_read_header(const boost::system::error_code& error)
+  {
+    if (!error && read_msg_.decode_header())
+    {
+      boost::asio::async_read(socket_,
+          boost::asio::buffer(read_msg_.body(), read_msg_.body_length()),
+          boost::bind(&chat_client::handle_read_body, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      do_close();
+    }
+  }
+
+  void handle_read_body(const boost::system::error_code& error)
+  {
+    if (!error)
+    {
+      std::cout.write(read_msg_.body(), read_msg_.body_length());
+      std::cout << "\n";
+      boost::asio::async_read(socket_,
+          boost::asio::buffer(read_msg_.data(), chat_message::header_length),
+          boost::bind(&chat_client::handle_read_header, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      do_close();
+    }
+  }
+
+  void do_write(chat_message msg)
+  {
+    bool write_in_progress = !write_msgs_.empty();
+    write_msgs_.push_back(msg);
+    if (!write_in_progress)
+    {
+      boost::asio::async_write(socket_,
+          boost::asio::buffer(write_msgs_.front().data(),
+            write_msgs_.front().length()),
+          boost::bind(&chat_client::handle_write, this,
+            boost::asio::placeholders::error));
+    }
+  }
+
+  void handle_write(const boost::system::error_code& error)
+  {
+    if (!error)
+    {
+      write_msgs_.pop_front();
+      if (!write_msgs_.empty())
+      {
+        boost::asio::async_write(socket_,
+            boost::asio::buffer(write_msgs_.front().data(),
+              write_msgs_.front().length()),
+            boost::bind(&chat_client::handle_write, this,
+              boost::asio::placeholders::error));
+      }
+    }
+    else
+    {
+      do_close();
+    }
+  }
+
+  void do_close()
+  {
+    socket_.close();
+  }
+
+private:
+  boost::asio::io_service& io_service_;
+  tcp::socket socket_;
+  chat_message read_msg_;
+  chat_message_queue write_msgs_;
+};
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 3)
+    {
+      std::cerr << "Usage: chat_client <host> <port>\n";
+      return 1;
+    }
+
+    boost::asio::io_service io_service;
+
+    tcp::resolver resolver(io_service);
+    tcp::resolver::query query(argv[1], argv[2]);
+    tcp::resolver::iterator iterator = resolver.resolve(query);
+
+    chat_client c(io_service, iterator);
+
+    boost::thread t(boost::bind(&boost::asio::io_service::run, &io_service));
+
+    char line[chat_message::max_body_length + 1];
+    while (std::cin.getline(line, chat_message::max_body_length + 1))
+    {
+      using namespace std; // For strlen and memcpy.
+      chat_message msg;
+      msg.body_length(strlen(line));
+      memcpy(msg.body(), line, msg.body_length());
+      msg.encode_header();
+      c.write(msg);
+    }
+
+    c.close();
+    t.join();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}