doc/html/boost_asio/example/cpp03/http/server4/reply.cpp
//
// reply.cpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2023 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 "reply.hpp"
#include <string>
#include <boost/lexical_cast.hpp>
namespace http {
namespace server4 {
namespace status_strings {
const std::string ok =
"HTTP/1.0 200 OK\r\n";
const std::string created =
"HTTP/1.0 201 Created\r\n";
const std::string accepted =
"HTTP/1.0 202 Accepted\r\n";
const std::string no_content =
"HTTP/1.0 204 No Content\r\n";
const std::string multiple_choices =
"HTTP/1.0 300 Multiple Choices\r\n";
const std::string moved_permanently =
"HTTP/1.0 301 Moved Permanently\r\n";
const std::string moved_temporarily =
"HTTP/1.0 302 Moved Temporarily\r\n";
const std::string not_modified =
"HTTP/1.0 304 Not Modified\r\n";
const std::string bad_request =
"HTTP/1.0 400 Bad Request\r\n";
const std::string unauthorized =
"HTTP/1.0 401 Unauthorized\r\n";
const std::string forbidden =
"HTTP/1.0 403 Forbidden\r\n";
const std::string not_found =
"HTTP/1.0 404 Not Found\r\n";
const std::string internal_server_error =
"HTTP/1.0 500 Internal Server Error\r\n";
const std::string not_implemented =
"HTTP/1.0 501 Not Implemented\r\n";
const std::string bad_gateway =
"HTTP/1.0 502 Bad Gateway\r\n";
const std::string service_unavailable =
"HTTP/1.0 503 Service Unavailable\r\n";
boost::asio::const_buffer to_buffer(reply::status_type status)
{
switch (status)
{
case reply::ok:
return boost::asio::buffer(ok);
case reply::created:
return boost::asio::buffer(created);
case reply::accepted:
return boost::asio::buffer(accepted);
case reply::no_content:
return boost::asio::buffer(no_content);
case reply::multiple_choices:
return boost::asio::buffer(multiple_choices);
case reply::moved_permanently:
return boost::asio::buffer(moved_permanently);
case reply::moved_temporarily:
return boost::asio::buffer(moved_temporarily);
case reply::not_modified:
return boost::asio::buffer(not_modified);
case reply::bad_request:
return boost::asio::buffer(bad_request);
case reply::unauthorized:
return boost::asio::buffer(unauthorized);
case reply::forbidden:
return boost::asio::buffer(forbidden);
case reply::not_found:
return boost::asio::buffer(not_found);
case reply::internal_server_error:
return boost::asio::buffer(internal_server_error);
case reply::not_implemented:
return boost::asio::buffer(not_implemented);
case reply::bad_gateway:
return boost::asio::buffer(bad_gateway);
case reply::service_unavailable:
return boost::asio::buffer(service_unavailable);
default:
return boost::asio::buffer(internal_server_error);
}
}
} // namespace status_strings
namespace misc_strings {
const char name_value_separator[] = { ':', ' ' };
const char crlf[] = { '\r', '\n' };
} // namespace misc_strings
std::vector<boost::asio::const_buffer> reply::to_buffers()
{
std::vector<boost::asio::const_buffer> buffers;
buffers.push_back(status_strings::to_buffer(status));
for (std::size_t i = 0; i < headers.size(); ++i)
{
header& h = headers[i];
buffers.push_back(boost::asio::buffer(h.name));
buffers.push_back(boost::asio::buffer(misc_strings::name_value_separator));
buffers.push_back(boost::asio::buffer(h.value));
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
}
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
buffers.push_back(boost::asio::buffer(content));
return buffers;
}
namespace stock_replies {
const char ok[] = "";
const char created[] =
"<html>"
"<head><title>Created</title></head>"
"<body><h1>201 Created</h1></body>"
"</html>";
const char accepted[] =
"<html>"
"<head><title>Accepted</title></head>"
"<body><h1>202 Accepted</h1></body>"
"</html>";
const char no_content[] =
"<html>"
"<head><title>No Content</title></head>"
"<body><h1>204 Content</h1></body>"
"</html>";
const char multiple_choices[] =
"<html>"
"<head><title>Multiple Choices</title></head>"
"<body><h1>300 Multiple Choices</h1></body>"
"</html>";
const char moved_permanently[] =
"<html>"
"<head><title>Moved Permanently</title></head>"
"<body><h1>301 Moved Permanently</h1></body>"
"</html>";
const char moved_temporarily[] =
"<html>"
"<head><title>Moved Temporarily</title></head>"
"<body><h1>302 Moved Temporarily</h1></body>"
"</html>";
const char not_modified[] =
"<html>"
"<head><title>Not Modified</title></head>"
"<body><h1>304 Not Modified</h1></body>"
"</html>";
const char bad_request[] =
"<html>"
"<head><title>Bad Request</title></head>"
"<body><h1>400 Bad Request</h1></body>"
"</html>";
const char unauthorized[] =
"<html>"
"<head><title>Unauthorized</title></head>"
"<body><h1>401 Unauthorized</h1></body>"
"</html>";
const char forbidden[] =
"<html>"
"<head><title>Forbidden</title></head>"
"<body><h1>403 Forbidden</h1></body>"
"</html>";
const char not_found[] =
"<html>"
"<head><title>Not Found</title></head>"
"<body><h1>404 Not Found</h1></body>"
"</html>";
const char internal_server_error[] =
"<html>"
"<head><title>Internal Server Error</title></head>"
"<body><h1>500 Internal Server Error</h1></body>"
"</html>";
const char not_implemented[] =
"<html>"
"<head><title>Not Implemented</title></head>"
"<body><h1>501 Not Implemented</h1></body>"
"</html>";
const char bad_gateway[] =
"<html>"
"<head><title>Bad Gateway</title></head>"
"<body><h1>502 Bad Gateway</h1></body>"
"</html>";
const char service_unavailable[] =
"<html>"
"<head><title>Service Unavailable</title></head>"
"<body><h1>503 Service Unavailable</h1></body>"
"</html>";
std::string to_string(reply::status_type status)
{
switch (status)
{
case reply::ok:
return ok;
case reply::created:
return created;
case reply::accepted:
return accepted;
case reply::no_content:
return no_content;
case reply::multiple_choices:
return multiple_choices;
case reply::moved_permanently:
return moved_permanently;
case reply::moved_temporarily:
return moved_temporarily;
case reply::not_modified:
return not_modified;
case reply::bad_request:
return bad_request;
case reply::unauthorized:
return unauthorized;
case reply::forbidden:
return forbidden;
case reply::not_found:
return not_found;
case reply::internal_server_error:
return internal_server_error;
case reply::not_implemented:
return not_implemented;
case reply::bad_gateway:
return bad_gateway;
case reply::service_unavailable:
return service_unavailable;
default:
return internal_server_error;
}
}
} // namespace stock_replies
reply reply::stock_reply(reply::status_type status)
{
reply rep;
rep.status = status;
rep.content = stock_replies::to_string(status);
rep.headers.resize(2);
rep.headers[0].name = "Content-Length";
rep.headers[0].value = boost::lexical_cast<std::string>(rep.content.size());
rep.headers[1].name = "Content-Type";
rep.headers[1].value = "text/html";
return rep;
}
} // namespace server4
} // namespace http