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-rw-r--r--3rdparty/asio/src/examples/cpp03/porthopper/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp03/porthopper/client.cpp192
-rw-r--r--3rdparty/asio/src/examples/cpp03/porthopper/protocol.hpp156
-rw-r--r--3rdparty/asio/src/examples/cpp03/porthopper/server.cpp189
4 files changed, 0 insertions, 548 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/porthopper/.gitignore b/3rdparty/asio/src/examples/cpp03/porthopper/.gitignore
deleted file mode 100644
index 692ea7e7e65..00000000000
--- a/3rdparty/asio/src/examples/cpp03/porthopper/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-client
-server
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp03/porthopper/client.cpp b/3rdparty/asio/src/examples/cpp03/porthopper/client.cpp
deleted file mode 100644
index 15d8e4803c1..00000000000
--- a/3rdparty/asio/src/examples/cpp03/porthopper/client.cpp
+++ /dev/null
@@ -1,192 +0,0 @@
-//
-// client.cpp
-// ~~~~~~~~~~
-//
-// Copyright (c) 2003-2016 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 <asio.hpp>
-#include <boost/lambda/lambda.hpp>
-#include <boost/lambda/bind.hpp>
-#include <boost/lambda/if.hpp>
-#include <boost/shared_ptr.hpp>
-#include <algorithm>
-#include <cstdlib>
-#include <exception>
-#include <iostream>
-#include <string>
-#include "protocol.hpp"
-
-using namespace boost;
-using asio::ip::tcp;
-using asio::ip::udp;
-
-int main(int argc, char* argv[])
-{
- try
- {
- if (argc != 3)
- {
- std::cerr << "Usage: client <host> <port>\n";
- return 1;
- }
- using namespace std; // For atoi.
- std::string host_name = argv[1];
- std::string port = argv[2];
-
- asio::io_context io_context;
-
- // Determine the location of the server.
- tcp::resolver resolver(io_context);
- tcp::endpoint remote_endpoint = *resolver.resolve(host_name, port).begin();
-
- // Establish the control connection to the server.
- tcp::socket control_socket(io_context);
- control_socket.connect(remote_endpoint);
-
- // Create a datagram socket to receive data from the server.
- boost::shared_ptr<udp::socket> data_socket(
- new udp::socket(io_context, udp::endpoint(udp::v4(), 0)));
-
- // Determine what port we will receive data on.
- udp::endpoint data_endpoint = data_socket->local_endpoint();
-
- // Ask the server to start sending us data.
- control_request start = control_request::start(data_endpoint.port());
- asio::write(control_socket, start.to_buffers());
-
- unsigned long last_frame_number = 0;
- for (;;)
- {
- // Receive 50 messages on the current data socket.
- for (int i = 0; i < 50; ++i)
- {
- // Receive a frame from the server.
- frame f;
- data_socket->receive(f.to_buffers(), 0);
- if (f.number() > last_frame_number)
- {
- last_frame_number = f.number();
- std::cout << "\n" << f.payload();
- }
- }
-
- // Time to switch to a new socket. To ensure seamless handover we will
- // continue to receive packets using the old socket until data arrives on
- // the new one.
- std::cout << " Starting renegotiation";
-
- // Create the new data socket.
- boost::shared_ptr<udp::socket> new_data_socket(
- new udp::socket(io_context, udp::endpoint(udp::v4(), 0)));
-
- // Determine the new port we will use to receive data.
- udp::endpoint new_data_endpoint = new_data_socket->local_endpoint();
-
- // Ask the server to switch over to the new port.
- control_request change = control_request::change(
- data_endpoint.port(), new_data_endpoint.port());
- asio::error_code control_result;
- asio::async_write(control_socket, change.to_buffers(),
- (
- lambda::var(control_result) = lambda::_1
- ));
-
- // Try to receive a frame from the server on the new data socket. If we
- // successfully receive a frame on this new data socket we can consider
- // the renegotation complete. In that case we will close the old data
- // socket, which will cause any outstanding receive operation on it to be
- // cancelled.
- frame f1;
- asio::error_code new_data_socket_result;
- new_data_socket->async_receive(f1.to_buffers(),
- (
- // Note: lambda::_1 is the first argument to the callback handler,
- // which in this case is the error code for the operation.
- lambda::var(new_data_socket_result) = lambda::_1,
- lambda::if_(!lambda::_1)
- [
- // We have successfully received a frame on the new data socket,
- // so we can close the old data socket. This will cancel any
- // outstanding receive operation on the old data socket.
- lambda::var(data_socket) = boost::shared_ptr<udp::socket>()
- ]
- ));
-
- // This loop will continue until we have successfully completed the
- // renegotiation (i.e. received a frame on the new data socket), or some
- // unrecoverable error occurs.
- bool done = false;
- while (!done)
- {
- // Even though we're performing a renegotation, we want to continue
- // receiving data as smoothly as possible. Therefore we will continue to
- // try to receive a frame from the server on the old data socket. If we
- // receive a frame on this socket we will interrupt the io_context,
- // print the frame, and resume waiting for the other operations to
- // complete.
- frame f2;
- done = true; // Let's be optimistic.
- if (data_socket) // Might have been closed by new_data_socket's handler.
- {
- data_socket->async_receive(f2.to_buffers(), 0,
- (
- lambda::if_(!lambda::_1)
- [
- // We have successfully received a frame on the old data
- // socket. Stop the io_context so that we can print it.
- lambda::bind(&asio::io_context::stop, &io_context),
- lambda::var(done) = false
- ]
- ));
- }
-
- // Run the operations in parallel. This will block until all operations
- // have finished, or until the io_context is interrupted. (No threads!)
- io_context.restart();
- io_context.run();
-
- // If the io_context.run() was interrupted then we have received a frame
- // on the old data socket. We need to keep waiting for the renegotation
- // operations to complete.
- if (!done)
- {
- if (f2.number() > last_frame_number)
- {
- last_frame_number = f2.number();
- std::cout << "\n" << f2.payload();
- }
- }
- }
-
- // Since the loop has finished, we have either successfully completed
- // the renegotation, or an error has occurred. First we'll check for
- // errors.
- if (control_result)
- throw asio::system_error(control_result);
- if (new_data_socket_result)
- throw asio::system_error(new_data_socket_result);
-
- // If we get here it means we have successfully started receiving data on
- // the new data socket. This new data socket will be used from now on
- // (until the next time we renegotiate).
- std::cout << " Renegotiation complete";
- data_socket = new_data_socket;
- data_endpoint = new_data_endpoint;
- if (f1.number() > last_frame_number)
- {
- last_frame_number = f1.number();
- std::cout << "\n" << f1.payload();
- }
- }
- }
- catch (std::exception& e)
- {
- std::cerr << "Exception: " << e.what() << std::endl;
- }
-
- return 0;
-}
diff --git a/3rdparty/asio/src/examples/cpp03/porthopper/protocol.hpp b/3rdparty/asio/src/examples/cpp03/porthopper/protocol.hpp
deleted file mode 100644
index c79bc6b49f4..00000000000
--- a/3rdparty/asio/src/examples/cpp03/porthopper/protocol.hpp
+++ /dev/null
@@ -1,156 +0,0 @@
-//
-// protocol.hpp
-// ~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2016 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 PORTHOPPER_PROTOCOL_HPP
-#define PORTHOPPER_PROTOCOL_HPP
-
-#include <boost/array.hpp>
-#include <asio.hpp>
-#include <cstring>
-#include <iomanip>
-#include <string>
-#include <strstream>
-
-// This request is sent by the client to the server over a TCP connection.
-// The client uses it to perform three functions:
-// - To request that data start being sent to a given port.
-// - To request that data is no longer sent to a given port.
-// - To change the target port to another.
-class control_request
-{
-public:
- // Construct an empty request. Used when receiving.
- control_request()
- {
- }
-
- // Create a request to start sending data to a given port.
- static const control_request start(unsigned short port)
- {
- return control_request(0, port);
- }
-
- // Create a request to stop sending data to a given port.
- static const control_request stop(unsigned short port)
- {
- return control_request(port, 0);
- }
-
- // Create a request to change the port that data is sent to.
- static const control_request change(
- unsigned short old_port, unsigned short new_port)
- {
- return control_request(old_port, new_port);
- }
-
- // Get the old port. Returns 0 for start requests.
- unsigned short old_port() const
- {
- std::istrstream is(data_, encoded_port_size);
- unsigned short port = 0;
- is >> std::setw(encoded_port_size) >> std::hex >> port;
- return port;
- }
-
- // Get the new port. Returns 0 for stop requests.
- unsigned short new_port() const
- {
- std::istrstream is(data_ + encoded_port_size, encoded_port_size);
- unsigned short port = 0;
- is >> std::setw(encoded_port_size) >> std::hex >> port;
- return port;
- }
-
- // Obtain buffers for reading from or writing to a socket.
- boost::array<asio::mutable_buffer, 1> to_buffers()
- {
- boost::array<asio::mutable_buffer, 1> buffers
- = { { asio::buffer(data_) } };
- return buffers;
- }
-
-private:
- // Construct with specified old and new ports.
- control_request(unsigned short old_port_number,
- unsigned short new_port_number)
- {
- std::ostrstream os(data_, control_request_size);
- os << std::setw(encoded_port_size) << std::hex << old_port_number;
- os << std::setw(encoded_port_size) << std::hex << new_port_number;
- }
-
- // The length in bytes of a control_request and its components.
- enum
- {
- encoded_port_size = 4, // 16-bit port in hex.
- control_request_size = encoded_port_size * 2
- };
-
- // The encoded request data.
- char data_[control_request_size];
-};
-
-// This frame is sent from the server to subscribed clients over UDP.
-class frame
-{
-public:
- // The maximum allowable length of the payload.
- enum { payload_size = 32 };
-
- // Construct an empty frame. Used when receiving.
- frame()
- {
- }
-
- // Construct a frame with specified frame number and payload.
- frame(unsigned long frame_number, const std::string& payload_data)
- {
- std::ostrstream os(data_, frame_size);
- os << std::setw(encoded_number_size) << std::hex << frame_number;
- os << std::setw(payload_size)
- << std::setfill(' ') << payload_data.substr(0, payload_size);
- }
-
- // Get the frame number.
- unsigned long number() const
- {
- std::istrstream is(data_, encoded_number_size);
- unsigned long frame_number = 0;
- is >> std::setw(encoded_number_size) >> std::hex >> frame_number;
- return frame_number;
- }
-
- // Get the payload data.
- const std::string payload() const
- {
- return std::string(data_ + encoded_number_size, payload_size);
- }
-
- // Obtain buffers for reading from or writing to a socket.
- boost::array<asio::mutable_buffer, 1> to_buffers()
- {
- boost::array<asio::mutable_buffer, 1> buffers
- = { { asio::buffer(data_) } };
- return buffers;
- }
-
-private:
- // The length in bytes of a frame and its components.
- enum
- {
- encoded_number_size = 8, // Frame number in hex.
- frame_size = encoded_number_size + payload_size
- };
-
- // The encoded frame data.
- char data_[frame_size];
-};
-
-#endif // PORTHOPPER_PROTOCOL_HPP
diff --git a/3rdparty/asio/src/examples/cpp03/porthopper/server.cpp b/3rdparty/asio/src/examples/cpp03/porthopper/server.cpp
deleted file mode 100644
index b98a7d4b24d..00000000000
--- a/3rdparty/asio/src/examples/cpp03/porthopper/server.cpp
+++ /dev/null
@@ -1,189 +0,0 @@
-//
-// server.cpp
-// ~~~~~~~~~~
-//
-// Copyright (c) 2003-2016 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 <asio.hpp>
-#include <boost/bind.hpp>
-#include <boost/shared_ptr.hpp>
-#include <cmath>
-#include <cstdlib>
-#include <exception>
-#include <iostream>
-#include <set>
-#include "protocol.hpp"
-
-using asio::ip::tcp;
-using asio::ip::udp;
-
-typedef boost::shared_ptr<tcp::socket> tcp_socket_ptr;
-typedef boost::shared_ptr<asio::deadline_timer> timer_ptr;
-typedef boost::shared_ptr<control_request> control_request_ptr;
-
-class server
-{
-public:
- // Construct the server to wait for incoming control connections.
- server(asio::io_context& io_context, unsigned short port)
- : acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
- timer_(io_context),
- udp_socket_(io_context, udp::endpoint(udp::v4(), 0)),
- next_frame_number_(1)
- {
- // Start waiting for a new control connection.
- tcp_socket_ptr new_socket(
- new tcp::socket(acceptor_.get_executor().context()));
- acceptor_.async_accept(*new_socket,
- boost::bind(&server::handle_accept, this,
- asio::placeholders::error, new_socket));
-
- // Start the timer used to generate outgoing frames.
- timer_.expires_from_now(boost::posix_time::milliseconds(100));
- timer_.async_wait(boost::bind(&server::handle_timer, this));
- }
-
- // Handle a new control connection.
- void handle_accept(const asio::error_code& ec, tcp_socket_ptr socket)
- {
- if (!ec)
- {
- // Start receiving control requests on the connection.
- control_request_ptr request(new control_request);
- asio::async_read(*socket, request->to_buffers(),
- boost::bind(&server::handle_control_request, this,
- asio::placeholders::error, socket, request));
- }
-
- // Start waiting for a new control connection.
- tcp_socket_ptr new_socket(
- new tcp::socket(acceptor_.get_executor().context()));
- acceptor_.async_accept(*new_socket,
- boost::bind(&server::handle_accept, this,
- asio::placeholders::error, new_socket));
- }
-
- // Handle a new control request.
- void handle_control_request(const asio::error_code& ec,
- tcp_socket_ptr socket, control_request_ptr request)
- {
- if (!ec)
- {
- // Delay handling of the control request to simulate network latency.
- timer_ptr delay_timer(
- new asio::deadline_timer(acceptor_.get_executor().context()));
- delay_timer->expires_from_now(boost::posix_time::seconds(2));
- delay_timer->async_wait(
- boost::bind(&server::handle_control_request_timer, this,
- socket, request, delay_timer));
- }
- }
-
- void handle_control_request_timer(tcp_socket_ptr socket,
- control_request_ptr request, timer_ptr /*delay_timer*/)
- {
- // Determine what address this client is connected from, since
- // subscriptions must be stored on the server as a complete endpoint, not
- // just a port. We use the non-throwing overload of remote_endpoint() since
- // it may fail if the socket is no longer connected.
- asio::error_code ec;
- tcp::endpoint remote_endpoint = socket->remote_endpoint(ec);
- if (!ec)
- {
- // Remove old port subscription, if any.
- if (unsigned short old_port = request->old_port())
- {
- udp::endpoint old_endpoint(remote_endpoint.address(), old_port);
- subscribers_.erase(old_endpoint);
- std::cout << "Removing subscription " << old_endpoint << std::endl;
- }
-
- // Add new port subscription, if any.
- if (unsigned short new_port = request->new_port())
- {
- udp::endpoint new_endpoint(remote_endpoint.address(), new_port);
- subscribers_.insert(new_endpoint);
- std::cout << "Adding subscription " << new_endpoint << std::endl;
- }
- }
-
- // Wait for next control request on this connection.
- asio::async_read(*socket, request->to_buffers(),
- boost::bind(&server::handle_control_request, this,
- asio::placeholders::error, socket, request));
- }
-
- // Every time the timer fires we will generate a new frame and send it to all
- // subscribers.
- void handle_timer()
- {
- // Generate payload.
- double x = next_frame_number_ * 0.2;
- double y = std::sin(x);
- int char_index = static_cast<int>((y + 1.0) * (frame::payload_size / 2));
- std::string payload;
- for (int i = 0; i < frame::payload_size; ++i)
- payload += (i == char_index ? '*' : '.');
-
- // Create the frame to be sent to all subscribers.
- frame f(next_frame_number_++, payload);
-
- // Send frame to all subscribers. We can use synchronous calls here since
- // UDP send operations typically do not block.
- std::set<udp::endpoint>::iterator j;
- for (j = subscribers_.begin(); j != subscribers_.end(); ++j)
- {
- asio::error_code ec;
- udp_socket_.send_to(f.to_buffers(), *j, 0, ec);
- }
-
- // Wait for next timeout.
- timer_.expires_from_now(boost::posix_time::milliseconds(100));
- timer_.async_wait(boost::bind(&server::handle_timer, this));
- }
-
-private:
- // The acceptor used to accept incoming control connections.
- tcp::acceptor acceptor_;
-
- // The timer used for generating data.
- asio::deadline_timer timer_;
-
- // The socket used to send data to subscribers.
- udp::socket udp_socket_;
-
- // The next frame number.
- unsigned long next_frame_number_;
-
- // The set of endpoints that are subscribed.
- std::set<udp::endpoint> subscribers_;
-};
-
-int main(int argc, char* argv[])
-{
- try
- {
- if (argc != 2)
- {
- std::cerr << "Usage: server <port>\n";
- return 1;
- }
-
- asio::io_context io_context;
-
- using namespace std; // For atoi.
- server s(io_context, atoi(argv[1]));
-
- io_context.run();
- }
- catch (std::exception& e)
- {
- std::cerr << "Exception: " << e.what() << std::endl;
- }
-
- return 0;
-}