[DEV] add v1.66.0

libs/asio/example/cpp03/serialization/Jamfile.v2

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+#
+# 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)
+#
+
+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 ;
+}
+else if [ os.name ] = HAIKU
+{
+  lib network ;
+}
+
+project
+  : requirements
+    <library>/boost/serialization//boost_serialization
+    <library>/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
+    <os>HAIKU:<library>network
+  ;
+
+exe client : client.cpp ;
+exe server : server.cpp ;

libs/asio/example/cpp03/serialization/client.cpp

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+//
+// 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 <boost/asio.hpp>
+#include <boost/bind.hpp>
+#include <iostream>
+#include <vector>
+#include "connection.hpp" // Must come before boost/serialization headers.
+#include <boost/serialization/vector.hpp>
+#include "stock.hpp"
+
+namespace s11n_example {
+
+/// Downloads stock quote information from a server.
+class client
+{
+public:
+  /// Constructor starts the asynchronous connect operation.
+  client(boost::asio::io_context& io_context,
+      const std::string& host, const std::string& service)
+    : connection_(io_context)
+  {
+    // Resolve the host name into an IP address.
+    boost::asio::ip::tcp::resolver resolver(io_context);
+    boost::asio::ip::tcp::resolver::query query(host, service);
+    boost::asio::ip::tcp::resolver::iterator endpoint_iterator =
+      resolver.resolve(query);
+
+    // Start an asynchronous connect operation.
+    boost::asio::async_connect(connection_.socket(), endpoint_iterator,
+        boost::bind(&client::handle_connect, this,
+          boost::asio::placeholders::error));
+  }
+
+  /// Handle completion of a connect operation.
+  void handle_connect(const boost::system::error_code& e)
+  {
+    if (!e)
+    {
+      // Successfully established connection. Start operation to read the list
+      // of stocks. The connection::async_read() function will automatically
+      // decode the data that is read from the underlying socket.
+      connection_.async_read(stocks_,
+          boost::bind(&client::handle_read, this,
+            boost::asio::placeholders::error));
+    }
+    else
+    {
+      // An error occurred. Log it and return. Since we are not starting a new
+      // operation the io_context will run out of work to do and the client will
+      // exit.
+      std::cerr << e.message() << std::endl;
+    }
+  }
+
+  /// Handle completion of a read operation.
+  void handle_read(const boost::system::error_code& e)
+  {
+    if (!e)
+    {
+      // Print out the data that was received.
+      for (std::size_t i = 0; i < stocks_.size(); ++i)
+      {
+        std::cout << "Stock number " << i << "\n";
+        std::cout << "  code: " << stocks_[i].code << "\n";
+        std::cout << "  name: " << stocks_[i].name << "\n";
+        std::cout << "  open_price: " << stocks_[i].open_price << "\n";
+        std::cout << "  high_price: " << stocks_[i].high_price << "\n";
+        std::cout << "  low_price: " << stocks_[i].low_price << "\n";
+        std::cout << "  last_price: " << stocks_[i].last_price << "\n";
+        std::cout << "  buy_price: " << stocks_[i].buy_price << "\n";
+        std::cout << "  buy_quantity: " << stocks_[i].buy_quantity << "\n";
+        std::cout << "  sell_price: " << stocks_[i].sell_price << "\n";
+        std::cout << "  sell_quantity: " << stocks_[i].sell_quantity << "\n";
+      }
+    }
+    else
+    {
+      // An error occurred.
+      std::cerr << e.message() << std::endl;
+    }
+
+    // Since we are not starting a new operation the io_context will run out of
+    // work to do and the client will exit.
+  }
+
+private:
+  /// The connection to the server.
+  connection connection_;
+
+  /// The data received from the server.
+  std::vector<stock> stocks_;
+};
+
+} // namespace s11n_example
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    // Check command line arguments.
+    if (argc != 3)
+    {
+      std::cerr << "Usage: client <host> <port>" << std::endl;
+      return 1;
+    }
+
+    boost::asio::io_context io_context;
+    s11n_example::client client(io_context, argv[1], argv[2]);
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << e.what() << std::endl;
+  }
+
+  return 0;
+}

libs/asio/example/cpp03/serialization/connection.hpp

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+//
+// connection.hpp
+// ~~~~~~~~~~~~~~
+//
+// 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)
+//
+
+#ifndef SERIALIZATION_CONNECTION_HPP
+#define SERIALIZATION_CONNECTION_HPP
+
+#include <boost/asio.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/bind.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <iomanip>
+#include <string>
+#include <sstream>
+#include <vector>
+
+namespace s11n_example {
+
+/// The connection class provides serialization primitives on top of a socket.
+/**
+ * Each message sent using this class consists of:
+ * @li An 8-byte header containing the length of the serialized data in
+ * hexadecimal.
+ * @li The serialized data.
+ */
+class connection
+{
+public:
+  /// Constructor.
+  connection(boost::asio::io_context& io_context)
+    : socket_(io_context)
+  {
+  }
+
+  /// Get the underlying socket. Used for making a connection or for accepting
+  /// an incoming connection.
+  boost::asio::ip::tcp::socket& socket()
+  {
+    return socket_;
+  }
+
+  /// Asynchronously write a data structure to the socket.
+  template <typename T, typename Handler>
+  void async_write(const T& t, Handler handler)
+  {
+    // Serialize the data first so we know how large it is.
+    std::ostringstream archive_stream;
+    boost::archive::text_oarchive archive(archive_stream);
+    archive << t;
+    outbound_data_ = archive_stream.str();
+
+    // Format the header.
+    std::ostringstream header_stream;
+    header_stream << std::setw(header_length)
+      << std::hex << outbound_data_.size();
+    if (!header_stream || header_stream.str().size() != header_length)
+    {
+      // Something went wrong, inform the caller.
+      boost::system::error_code error(boost::asio::error::invalid_argument);
+      boost::asio::post(socket_.get_executor(), boost::bind(handler, error));
+      return;
+    }
+    outbound_header_ = header_stream.str();
+
+    // Write the serialized data to the socket. We use "gather-write" to send
+    // both the header and the data in a single write operation.
+    std::vector<boost::asio::const_buffer> buffers;
+    buffers.push_back(boost::asio::buffer(outbound_header_));
+    buffers.push_back(boost::asio::buffer(outbound_data_));
+    boost::asio::async_write(socket_, buffers, handler);
+  }
+
+  /// Asynchronously read a data structure from the socket.
+  template <typename T, typename Handler>
+  void async_read(T& t, Handler handler)
+  {
+    // Issue a read operation to read exactly the number of bytes in a header.
+    void (connection::*f)(
+        const boost::system::error_code&,
+        T&, boost::tuple<Handler>)
+      = &connection::handle_read_header<T, Handler>;
+    boost::asio::async_read(socket_, boost::asio::buffer(inbound_header_),
+        boost::bind(f,
+          this, boost::asio::placeholders::error, boost::ref(t),
+          boost::make_tuple(handler)));
+  }
+
+  /// Handle a completed read of a message header. The handler is passed using
+  /// a tuple since boost::bind seems to have trouble binding a function object
+  /// created using boost::bind as a parameter.
+  template <typename T, typename Handler>
+  void handle_read_header(const boost::system::error_code& e,
+      T& t, boost::tuple<Handler> handler)
+  {
+    if (e)
+    {
+      boost::get<0>(handler)(e);
+    }
+    else
+    {
+      // Determine the length of the serialized data.
+      std::istringstream is(std::string(inbound_header_, header_length));
+      std::size_t inbound_data_size = 0;
+      if (!(is >> std::hex >> inbound_data_size))
+      {
+        // Header doesn't seem to be valid. Inform the caller.
+        boost::system::error_code error(boost::asio::error::invalid_argument);
+        boost::get<0>(handler)(error);
+        return;
+      }
+
+      // Start an asynchronous call to receive the data.
+      inbound_data_.resize(inbound_data_size);
+      void (connection::*f)(
+          const boost::system::error_code&,
+          T&, boost::tuple<Handler>)
+        = &connection::handle_read_data<T, Handler>;
+      boost::asio::async_read(socket_, boost::asio::buffer(inbound_data_),
+        boost::bind(f, this,
+          boost::asio::placeholders::error, boost::ref(t), handler));
+    }
+  }
+
+  /// Handle a completed read of message data.
+  template <typename T, typename Handler>
+  void handle_read_data(const boost::system::error_code& e,
+      T& t, boost::tuple<Handler> handler)
+  {
+    if (e)
+    {
+      boost::get<0>(handler)(e);
+    }
+    else
+    {
+      // Extract the data structure from the data just received.
+      try
+      {
+        std::string archive_data(&inbound_data_[0], inbound_data_.size());
+        std::istringstream archive_stream(archive_data);
+        boost::archive::text_iarchive archive(archive_stream);
+        archive >> t;
+      }
+      catch (std::exception& e)
+      {
+        // Unable to decode data.
+        boost::system::error_code error(boost::asio::error::invalid_argument);
+        boost::get<0>(handler)(error);
+        return;
+      }
+
+      // Inform caller that data has been received ok.
+      boost::get<0>(handler)(e);
+    }
+  }
+
+private:
+  /// The underlying socket.
+  boost::asio::ip::tcp::socket socket_;
+
+  /// The size of a fixed length header.
+  enum { header_length = 8 };
+
+  /// Holds an outbound header.
+  std::string outbound_header_;
+
+  /// Holds the outbound data.
+  std::string outbound_data_;
+
+  /// Holds an inbound header.
+  char inbound_header_[header_length];
+
+  /// Holds the inbound data.
+  std::vector<char> inbound_data_;
+};
+
+typedef boost::shared_ptr<connection> connection_ptr;
+
+} // namespace s11n_example
+
+#endif // SERIALIZATION_CONNECTION_HPP

libs/asio/example/cpp03/serialization/server.cpp

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+//
+// server.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 <boost/asio.hpp>
+#include <boost/bind.hpp>
+#include <boost/lexical_cast.hpp>
+#include <iostream>
+#include <vector>
+#include "connection.hpp" // Must come before boost/serialization headers.
+#include <boost/serialization/vector.hpp>
+#include "stock.hpp"
+
+namespace s11n_example {
+
+/// Serves stock quote information to any client that connects to it.
+class server
+{
+public:
+  /// Constructor opens the acceptor and starts waiting for the first incoming
+  /// connection.
+  server(boost::asio::io_context& io_context, unsigned short port)
+    : acceptor_(io_context,
+        boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port))
+  {
+    // Create the data to be sent to each client.
+    stock s;
+    s.code = "ABC";
+    s.name = "A Big Company";
+    s.open_price = 4.56;
+    s.high_price = 5.12;
+    s.low_price = 4.33;
+    s.last_price = 4.98;
+    s.buy_price = 4.96;
+    s.buy_quantity = 1000;
+    s.sell_price = 4.99;
+    s.sell_quantity = 2000;
+    stocks_.push_back(s);
+    s.code = "DEF";
+    s.name = "Developer Entertainment Firm";
+    s.open_price = 20.24;
+    s.high_price = 22.88;
+    s.low_price = 19.50;
+    s.last_price = 19.76;
+    s.buy_price = 19.72;
+    s.buy_quantity = 34000;
+    s.sell_price = 19.85;
+    s.sell_quantity = 45000;
+    stocks_.push_back(s);
+
+    // Start an accept operation for a new connection.
+    connection_ptr new_conn(new connection(acceptor_.get_io_context()));
+    acceptor_.async_accept(new_conn->socket(),
+        boost::bind(&server::handle_accept, this,
+          boost::asio::placeholders::error, new_conn));
+  }
+
+  /// Handle completion of a accept operation.
+  void handle_accept(const boost::system::error_code& e, connection_ptr conn)
+  {
+    if (!e)
+    {
+      // Successfully accepted a new connection. Send the list of stocks to the
+      // client. The connection::async_write() function will automatically
+      // serialize the data structure for us.
+      conn->async_write(stocks_,
+          boost::bind(&server::handle_write, this,
+            boost::asio::placeholders::error, conn));
+    }
+
+    // Start an accept operation for a new connection.
+    connection_ptr new_conn(new connection(acceptor_.get_io_context()));
+    acceptor_.async_accept(new_conn->socket(),
+        boost::bind(&server::handle_accept, this,
+          boost::asio::placeholders::error, new_conn));
+  }
+
+  /// Handle completion of a write operation.
+  void handle_write(const boost::system::error_code& e, connection_ptr conn)
+  {
+    // Nothing to do. The socket will be closed automatically when the last
+    // reference to the connection object goes away.
+  }
+
+private:
+  /// The acceptor object used to accept incoming socket connections.
+  boost::asio::ip::tcp::acceptor acceptor_;
+
+  /// The data to be sent to each client.
+  std::vector<stock> stocks_;
+};
+
+} // namespace s11n_example
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    // Check command line arguments.
+    if (argc != 2)
+    {
+      std::cerr << "Usage: server <port>" << std::endl;
+      return 1;
+    }
+    unsigned short port = boost::lexical_cast<unsigned short>(argv[1]);
+
+    boost::asio::io_context io_context;
+    s11n_example::server server(io_context, port);
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << e.what() << std::endl;
+  }
+
+  return 0;
+}

libs/asio/example/cpp03/serialization/stock.hpp

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+//
+// stock.hpp
+// ~~~~~~~~~
+//
+// 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)
+//
+
+#ifndef SERIALIZATION_STOCK_HPP
+#define SERIALIZATION_STOCK_HPP
+
+#include <string>
+
+namespace s11n_example {
+
+/// Structure to hold information about a single stock.
+struct stock
+{
+  std::string code;
+  std::string name;
+  double open_price;
+  double high_price;
+  double low_price;
+  double last_price;
+  double buy_price;
+  int buy_quantity;
+  double sell_price;
+  int sell_quantity;
+
+  template <typename Archive>
+  void serialize(Archive& ar, const unsigned int version)
+  {
+    ar & code;
+    ar & name;
+    ar & open_price;
+    ar & high_price;
+    ar & low_price;
+    ar & last_price;
+    ar & buy_price;
+    ar & buy_quantity;
+    ar & sell_price;
+    ar & sell_quantity;
+  }
+};
+
+} // namespace s11n_example
+
+#endif // SERIALIZATION_STOCK_HPP