add basic http server (using boost.asio example)
Change-Id: I02bbc161ec7f89ade999b92ed99ef71fec83af32
diff --git a/server/request_parser.hpp b/server/request_parser.hpp
new file mode 100644
index 0000000..506fda1
--- /dev/null
+++ b/server/request_parser.hpp
@@ -0,0 +1,95 @@
+//
+// request_parser.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2012 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 HTTP_REQUEST_PARSER_HPP
+#define HTTP_REQUEST_PARSER_HPP
+
+#include <boost/logic/tribool.hpp>
+#include <boost/tuple/tuple.hpp>
+
+namespace http {
+namespace server {
+
+struct request;
+
+/// Parser for incoming requests.
+class request_parser
+{
+public:
+ /// Construct ready to parse the request method.
+ request_parser();
+
+ /// Reset to initial parser state.
+ void reset();
+
+ /// Parse some data. The tribool return value is true when a complete request
+ /// has been parsed, false if the data is invalid, indeterminate when more
+ /// data is required. The InputIterator return value indicates how much of the
+ /// input has been consumed.
+ template <typename InputIterator>
+ boost::tuple<boost::tribool, InputIterator> parse(request& req,
+ InputIterator begin, InputIterator end)
+ {
+ while (begin != end)
+ {
+ boost::tribool result = consume(req, *begin++);
+ if (result || !result)
+ return boost::make_tuple(result, begin);
+ }
+ boost::tribool result = boost::indeterminate;
+ return boost::make_tuple(result, begin);
+ }
+
+private:
+ /// Handle the next character of input.
+ boost::tribool consume(request& req, char input);
+
+ /// Check if a byte is an HTTP character.
+ static bool is_char(int c);
+
+ /// Check if a byte is an HTTP control character.
+ static bool is_ctl(int c);
+
+ /// Check if a byte is defined as an HTTP tspecial character.
+ static bool is_tspecial(int c);
+
+ /// Check if a byte is a digit.
+ static bool is_digit(int c);
+
+ /// The current state of the parser.
+ enum state
+ {
+ method_start,
+ method,
+ uri,
+ http_version_h,
+ http_version_t_1,
+ http_version_t_2,
+ http_version_p,
+ http_version_slash,
+ http_version_major_start,
+ http_version_major,
+ http_version_minor_start,
+ http_version_minor,
+ expecting_newline_1,
+ header_line_start,
+ header_lws,
+ header_name,
+ space_before_header_value,
+ header_value,
+ expecting_newline_2,
+ expecting_newline_3
+ } state_;
+};
+
+} // namespace server
+} // namespace http
+
+#endif // HTTP_REQUEST_PARSER_HPP