ceph/src/boost/libs/asio/example/cpp11/http/server/reply.cpp

   1 //
   2 // reply.cpp
   3 // ~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #include "reply.hpp"
  12 #include <string>
  13
  14 namespace http {
  15 namespace server {
  16
  17 namespace status_strings {
  18
  19 const std::string ok =
  20   "HTTP/1.0 200 OK\r\n";
  21 const std::string created =
  22   "HTTP/1.0 201 Created\r\n";
  23 const std::string accepted =
  24   "HTTP/1.0 202 Accepted\r\n";
  25 const std::string no_content =
  26   "HTTP/1.0 204 No Content\r\n";
  27 const std::string multiple_choices =
  28   "HTTP/1.0 300 Multiple Choices\r\n";
  29 const std::string moved_permanently =
  30   "HTTP/1.0 301 Moved Permanently\r\n";
  31 const std::string moved_temporarily =
  32   "HTTP/1.0 302 Moved Temporarily\r\n";
  33 const std::string not_modified =
  34   "HTTP/1.0 304 Not Modified\r\n";
  35 const std::string bad_request =
  36   "HTTP/1.0 400 Bad Request\r\n";
  37 const std::string unauthorized =
  38   "HTTP/1.0 401 Unauthorized\r\n";
  39 const std::string forbidden =
  40   "HTTP/1.0 403 Forbidden\r\n";
  41 const std::string not_found =
  42   "HTTP/1.0 404 Not Found\r\n";
  43 const std::string internal_server_error =
  44   "HTTP/1.0 500 Internal Server Error\r\n";
  45 const std::string not_implemented =
  46   "HTTP/1.0 501 Not Implemented\r\n";
  47 const std::string bad_gateway =
  48   "HTTP/1.0 502 Bad Gateway\r\n";
  49 const std::string service_unavailable =
  50   "HTTP/1.0 503 Service Unavailable\r\n";
  51
  52 boost::asio::const_buffer to_buffer(reply::status_type status)
  53 {
  54   switch (status)
  55   {
  56   case reply::ok:
  57     return boost::asio::buffer(ok);
  58   case reply::created:
  59     return boost::asio::buffer(created);
  60   case reply::accepted:
  61     return boost::asio::buffer(accepted);
  62   case reply::no_content:
  63     return boost::asio::buffer(no_content);
  64   case reply::multiple_choices:
  65     return boost::asio::buffer(multiple_choices);
  66   case reply::moved_permanently:
  67     return boost::asio::buffer(moved_permanently);
  68   case reply::moved_temporarily:
  69     return boost::asio::buffer(moved_temporarily);
  70   case reply::not_modified:
  71     return boost::asio::buffer(not_modified);
  72   case reply::bad_request:
  73     return boost::asio::buffer(bad_request);
  74   case reply::unauthorized:
  75     return boost::asio::buffer(unauthorized);
  76   case reply::forbidden:
  77     return boost::asio::buffer(forbidden);
  78   case reply::not_found:
  79     return boost::asio::buffer(not_found);
  80   case reply::internal_server_error:
  81     return boost::asio::buffer(internal_server_error);
  82   case reply::not_implemented:
  83     return boost::asio::buffer(not_implemented);
  84   case reply::bad_gateway:
  85     return boost::asio::buffer(bad_gateway);
  86   case reply::service_unavailable:
  87     return boost::asio::buffer(service_unavailable);
  88   default:
  89     return boost::asio::buffer(internal_server_error);
  90   }
  91 }
  92
  93 } // namespace status_strings
  94
  95 namespace misc_strings {
  96
  97 const char name_value_separator[] = { ':', ' ' };
  98 const char crlf[] = { '\r', '\n' };
  99
 100 } // namespace misc_strings
 101
 102 std::vector<boost::asio::const_buffer> reply::to_buffers()
 103 {
 104   std::vector<boost::asio::const_buffer> buffers;
 105   buffers.push_back(status_strings::to_buffer(status));
 106   for (std::size_t i = 0; i < headers.size(); ++i)
 107   {
 108     header& h = headers[i];
 109     buffers.push_back(boost::asio::buffer(h.name));
 110     buffers.push_back(boost::asio::buffer(misc_strings::name_value_separator));
 111     buffers.push_back(boost::asio::buffer(h.value));
 112     buffers.push_back(boost::asio::buffer(misc_strings::crlf));
 113   }
 114   buffers.push_back(boost::asio::buffer(misc_strings::crlf));
 115   buffers.push_back(boost::asio::buffer(content));
 116   return buffers;
 117 }
 118
 119 namespace stock_replies {
 120
 121 const char ok[] = "";
 122 const char created[] =
 123   "<html>"
 124   "<head><title>Created</title></head>"
 125   "<body><h1>201 Created</h1></body>"
 126   "</html>";
 127 const char accepted[] =
 128   "<html>"
 129   "<head><title>Accepted</title></head>"
 130   "<body><h1>202 Accepted</h1></body>"
 131   "</html>";
 132 const char no_content[] =
 133   "<html>"
 134   "<head><title>No Content</title></head>"
 135   "<body><h1>204 Content</h1></body>"
 136   "</html>";
 137 const char multiple_choices[] =
 138   "<html>"
 139   "<head><title>Multiple Choices</title></head>"
 140   "<body><h1>300 Multiple Choices</h1></body>"
 141   "</html>";
 142 const char moved_permanently[] =
 143   "<html>"
 144   "<head><title>Moved Permanently</title></head>"
 145   "<body><h1>301 Moved Permanently</h1></body>"
 146   "</html>";
 147 const char moved_temporarily[] =
 148   "<html>"
 149   "<head><title>Moved Temporarily</title></head>"
 150   "<body><h1>302 Moved Temporarily</h1></body>"
 151   "</html>";
 152 const char not_modified[] =
 153   "<html>"
 154   "<head><title>Not Modified</title></head>"
 155   "<body><h1>304 Not Modified</h1></body>"
 156   "</html>";
 157 const char bad_request[] =
 158   "<html>"
 159   "<head><title>Bad Request</title></head>"
 160   "<body><h1>400 Bad Request</h1></body>"
 161   "</html>";
 162 const char unauthorized[] =
 163   "<html>"
 164   "<head><title>Unauthorized</title></head>"
 165   "<body><h1>401 Unauthorized</h1></body>"
 166   "</html>";
 167 const char forbidden[] =
 168   "<html>"
 169   "<head><title>Forbidden</title></head>"
 170   "<body><h1>403 Forbidden</h1></body>"
 171   "</html>";
 172 const char not_found[] =
 173   "<html>"
 174   "<head><title>Not Found</title></head>"
 175   "<body><h1>404 Not Found</h1></body>"
 176   "</html>";
 177 const char internal_server_error[] =
 178   "<html>"
 179   "<head><title>Internal Server Error</title></head>"
 180   "<body><h1>500 Internal Server Error</h1></body>"
 181   "</html>";
 182 const char not_implemented[] =
 183   "<html>"
 184   "<head><title>Not Implemented</title></head>"
 185   "<body><h1>501 Not Implemented</h1></body>"
 186   "</html>";
 187 const char bad_gateway[] =
 188   "<html>"
 189   "<head><title>Bad Gateway</title></head>"
 190   "<body><h1>502 Bad Gateway</h1></body>"
 191   "</html>";
 192 const char service_unavailable[] =
 193   "<html>"
 194   "<head><title>Service Unavailable</title></head>"
 195   "<body><h1>503 Service Unavailable</h1></body>"
 196   "</html>";
 197
 198 std::string to_string(reply::status_type status)
 199 {
 200   switch (status)
 201   {
 202   case reply::ok:
 203     return ok;
 204   case reply::created:
 205     return created;
 206   case reply::accepted:
 207     return accepted;
 208   case reply::no_content:
 209     return no_content;
 210   case reply::multiple_choices:
 211     return multiple_choices;
 212   case reply::moved_permanently:
 213     return moved_permanently;
 214   case reply::moved_temporarily:
 215     return moved_temporarily;
 216   case reply::not_modified:
 217     return not_modified;
 218   case reply::bad_request:
 219     return bad_request;
 220   case reply::unauthorized:
 221     return unauthorized;
 222   case reply::forbidden:
 223     return forbidden;
 224   case reply::not_found:
 225     return not_found;
 226   case reply::internal_server_error:
 227     return internal_server_error;
 228   case reply::not_implemented:
 229     return not_implemented;
 230   case reply::bad_gateway:
 231     return bad_gateway;
 232   case reply::service_unavailable:
 233     return service_unavailable;
 234   default:
 235     return internal_server_error;
 236   }
 237 }
 238
 239 } // namespace stock_replies
 240
 241 reply reply::stock_reply(reply::status_type status)
 242 {
 243   reply rep;
 244   rep.status = status;
 245   rep.content = stock_replies::to_string(status);
 246   rep.headers.resize(2);
 247   rep.headers[0].name = "Content-Length";
 248   rep.headers[0].value = std::to_string(rep.content.size());
 249   rep.headers[1].name = "Content-Type";
 250   rep.headers[1].value = "text/html";
 251   return rep;
 252 }
 253
 254 } // namespace server
 255 } // namespace http