2 files changed, 312 insertions, 0 deletions
diff --git a/doc/html/boost_asio/example/cpp03/http/client/async_client.cpp b/doc/html/boost_asio/example/cpp03/http/client/async_client.cpp
new file mode 100644
index 0000000000..c240ad6642
--- /dev/null
+++ b/doc/html/boost_asio/example/cpp03/http/client/async_client.cpp
@@ -0,0 +1,205 @@
+//
+// async_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 <iostream>
+#include <istream>
+#include <ostream>
+#include <string>
+#include <boost/asio.hpp>
+#include <boost/bind.hpp>
+
+using boost::asio::ip::tcp;
+
+class client
+{
+public:
+  client(boost::asio::io_service& io_service,
+      const std::string& server, const std::string& path)
+    : resolver_(io_service),
+      socket_(io_service)
+  {
+    // Form the request. We specify the "Connection: close" header so that the
+    // server will close the socket after transmitting the response. This will
+    // allow us to treat all data up until the EOF as the content.
+    std::ostream request_stream(&request_);
+    request_stream << "GET " << path << " HTTP/1.0\r\n";
+    request_stream << "Host: " << server << "\r\n";
+    request_stream << "Accept: */*\r\n";
+    request_stream << "Connection: close\r\n\r\n";
+
+    // Start an asynchronous resolve to translate the server and service names
+    // into a list of endpoints.
+    tcp::resolver::query query(server, "http");
+    resolver_.async_resolve(query,
+        boost::bind(&client::handle_resolve, this,
+          boost::asio::placeholders::error,
+          boost::asio::placeholders::iterator));
+  }
+
+private:
+  void handle_resolve(const boost::system::error_code& err,
+      tcp::resolver::iterator endpoint_iterator)
+  {
+    if (!err)
+    {
+      // Attempt a connection to each endpoint in the list until we
+      // successfully establish a connection.
+      boost::asio::async_connect(socket_, endpoint_iterator,
+          boost::bind(&client::handle_connect, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      std::cout << "Error: " << err.message() << "\n";
+    }
+  }
+
+  void handle_connect(const boost::system::error_code& err)
+  {
+    if (!err)
+    {
+      // The connection was successful. Send the request.
+      boost::asio::async_write(socket_, request_,
+          boost::bind(&client::handle_write_request, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      std::cout << "Error: " << err.message() << "\n";
+    }
+  }
+
+  void handle_write_request(const boost::system::error_code& err)
+  {
+    if (!err)
+    {
+      // Read the response status line. The response_ streambuf will
+      // automatically grow to accommodate the entire line. The growth may be
+      // limited by passing a maximum size to the streambuf constructor.
+      boost::asio::async_read_until(socket_, response_, "\r\n",
+          boost::bind(&client::handle_read_status_line, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      std::cout << "Error: " << err.message() << "\n";
+    }
+  }
+
+  void handle_read_status_line(const boost::system::error_code& err)
+  {
+    if (!err)
+    {
+      // Check that response is OK.
+      std::istream response_stream(&response_);
+      std::string http_version;
+      response_stream >> http_version;
+      unsigned int status_code;
+      response_stream >> status_code;
+      std::string status_message;
+      std::getline(response_stream, status_message);
+      if (!response_stream || http_version.substr(0, 5) != "HTTP/")
+      {
+        std::cout << "Invalid response\n";
+        return;
+      }
+      if (status_code != 200)
+      {
+        std::cout << "Response returned with status code ";
+        std::cout << status_code << "\n";
+        return;
+      }
+
+      // Read the response headers, which are terminated by a blank line.
+      boost::asio::async_read_until(socket_, response_, "\r\n\r\n",
+          boost::bind(&client::handle_read_headers, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      std::cout << "Error: " << err << "\n";
+    }
+  }
+
+  void handle_read_headers(const boost::system::error_code& err)
+  {
+    if (!err)
+    {
+      // Process the response headers.
+      std::istream response_stream(&response_);
+      std::string header;
+      while (std::getline(response_stream, header) && header != "\r")
+        std::cout << header << "\n";
+      std::cout << "\n";
+
+      // Write whatever content we already have to output.
+      if (response_.size() > 0)
+        std::cout << &response_;
+
+      // Start reading remaining data until EOF.
+      boost::asio::async_read(socket_, response_,
+          boost::asio::transfer_at_least(1),
+          boost::bind(&client::handle_read_content, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      std::cout << "Error: " << err << "\n";
+    }
+  }
+
+  void handle_read_content(const boost::system::error_code& err)
+  {
+    if (!err)
+    {
+      // Write all of the data that has been read so far.
+      std::cout << &response_;
+
+      // Continue reading remaining data until EOF.
+      boost::asio::async_read(socket_, response_,
+          boost::asio::transfer_at_least(1),
+          boost::bind(&client::handle_read_content, this,
+            boost::asio::placeholders::error));
+    }
+    else if (err != boost::asio::error::eof)
+    {
+      std::cout << "Error: " << err << "\n";
+    }
+  }
+
+  tcp::resolver resolver_;
+  tcp::socket socket_;
+  boost::asio::streambuf request_;
+  boost::asio::streambuf response_;
+};
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 3)
+    {
+      std::cout << "Usage: async_client <server> <path>\n";
+      std::cout << "Example:\n";
+      std::cout << "  async_client www.boost.org /LICENSE_1_0.txt\n";
+      return 1;
+    }
+
+    boost::asio::io_service io_service;
+    client c(io_service, argv[1], argv[2]);
+    io_service.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/doc/html/boost_asio/example/cpp03/http/client/sync_client.cpp b/doc/html/boost_asio/example/cpp03/http/client/sync_client.cpp
new file mode 100644
index 0000000000..2eea356ca5
--- /dev/null
+++ b/doc/html/boost_asio/example/cpp03/http/client/sync_client.cpp
@@ -0,0 +1,107 @@
+//
+// sync_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 <iostream>
+#include <istream>
+#include <ostream>
+#include <string>
+#include <boost/asio.hpp>
+
+using boost::asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 3)
+    {
+      std::cout << "Usage: sync_client <server> <path>\n";
+      std::cout << "Example:\n";
+      std::cout << "  sync_client www.boost.org /LICENSE_1_0.txt\n";
+      return 1;
+    }
+
+    boost::asio::io_service io_service;
+
+    // Get a list of endpoints corresponding to the server name.
+    tcp::resolver resolver(io_service);
+    tcp::resolver::query query(argv[1], "http");
+    tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
+
+    // Try each endpoint until we successfully establish a connection.
+    tcp::socket socket(io_service);
+    boost::asio::connect(socket, endpoint_iterator);
+
+    // Form the request. We specify the "Connection: close" header so that the
+    // server will close the socket after transmitting the response. This will
+    // allow us to treat all data up until the EOF as the content.
+    boost::asio::streambuf request;
+    std::ostream request_stream(&request);
+    request_stream << "GET " << argv[2] << " HTTP/1.0\r\n";
+    request_stream << "Host: " << argv[1] << "\r\n";
+    request_stream << "Accept: */*\r\n";
+    request_stream << "Connection: close\r\n\r\n";
+
+    // Send the request.
+    boost::asio::write(socket, request);
+
+    // Read the response status line. The response streambuf will automatically
+    // grow to accommodate the entire line. The growth may be limited by passing
+    // a maximum size to the streambuf constructor.
+    boost::asio::streambuf response;
+    boost::asio::read_until(socket, response, "\r\n");
+
+    // Check that response is OK.
+    std::istream response_stream(&response);
+    std::string http_version;
+    response_stream >> http_version;
+    unsigned int status_code;
+    response_stream >> status_code;
+    std::string status_message;
+    std::getline(response_stream, status_message);
+    if (!response_stream || http_version.substr(0, 5) != "HTTP/")
+    {
+      std::cout << "Invalid response\n";
+      return 1;
+    }
+    if (status_code != 200)
+    {
+      std::cout << "Response returned with status code " << status_code << "\n";
+      return 1;
+    }
+
+    // Read the response headers, which are terminated by a blank line.
+    boost::asio::read_until(socket, response, "\r\n\r\n");
+
+    // Process the response headers.
+    std::string header;
+    while (std::getline(response_stream, header) && header != "\r")
+      std::cout << header << "\n";
+    std::cout << "\n";
+
+    // Write whatever content we already have to output.
+    if (response.size() > 0)
+      std::cout << &response;
+
+    // Read until EOF, writing data to output as we go.
+    boost::system::error_code error;
+    while (boost::asio::read(socket, response,
+          boost::asio::transfer_at_least(1), error))
+      std::cout << &response;
+    if (error != boost::asio::error::eof)
+      throw boost::system::system_error(error);
+  }
+  catch (std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}