/* open source routing machine Copyright (C) Dennis Luxen, 2010 This program is free software; you can redistribute it and/or modify it under the terms of the GNU AFFERO General Public License as published by the Free Software Foundation; either version 3 of the License, or any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or see http://www.gnu.org/licenses/agpl.txt. */ #ifndef HTTP_SERVER3_REPLY_HPP #define HTTP_SERVER3_REPLY_HPP #include #include #include #include #include "header.h" namespace http { /// A reply to be sent to a client. struct reply { reply() { content.reserve(1000000); } /// The status of the reply. enum status_type { ok = 200, bad_request = 400, internal_server_error = 500 } status; std::vector

headers; /// The content to be sent in the reply. std::string content; /// Convert the reply into a vector of buffers. The buffers do not own the /// underlying memory blocks, therefore the reply object must remain valid and /// not be changed until the write operation has completed. std::vector to_buffers(); /// Get a stock reply. static reply stock_reply(status_type status); }; namespace status_strings { const std::string ok = "HTTP/1.0 200 OK\r\n"; const std::string bad_request = "HTTP/1.0 400 Bad Request\r\n"; const std::string internal_server_error = "HTTP/1.0 500 Internal Server Error\r\n"; boost::asio::const_buffer to_buffer(reply::status_type status) { switch (status) { case reply::ok: return boost::asio::buffer(ok); case reply::bad_request: return boost::asio::buffer(bad_request); case reply::internal_server_error: return boost::asio::buffer(internal_server_error); default: return boost::asio::buffer(bad_request); } } } // namespace status_strings namespace misc_strings { const char name_value_separator[] = { ':', ' ' }; const char crlf[] = { '\r', '\n' }; } // namespace misc_strings std::vector reply::to_buffers() { std::vector 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 bad_request[] = "" "Bad Request" "

400 Bad Request

" ""; const char internal_server_error[] = "" "Internal Server Error" "

500 Internal Server Error

" ""; std::string to_string(reply::status_type status) { switch (status) { case reply::ok: return ok; case reply::bad_request: return bad_request; case reply::internal_server_error: return internal_server_error; 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(rep.content.size()); rep.headers[1].name = "Content-Type"; rep.headers[1].value = "text/html"; return rep; } } // namespace http #endif // HTTP_SERVER3_REPLY_HPP