ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/net/http/Request.cpp

   1 /*
   2  * Copyright (c) 2017-2018 Uber Technologies, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "jaegertracing/net/http/Request.h"
  18 #include "jaegertracing/net/http/SocketReader.h"
  19
  20 #include <regex>
  21
  22 namespace jaegertracing {
  23 namespace net {
  24 namespace http {
  25
  26 Request Request::read(Socket & socket)
  27 {
  28   std::string response = SocketReader::read(socket);
  29   std::istringstream responseStream(response);
  30   return Request::parse(responseStream);
  31 }
  32
  33 Request Request::parse(std::istream& in)
  34 {
  35     const std::regex requestLinePattern(
  36         "([A-Z]+) ([^ ]+) HTTP/([0-9]\\.[0-9])$");
  37     std::string line;
  38     std::smatch match;
  39     if (!readLineCRLF(in, line) ||
  40         !std::regex_match(line, match, requestLinePattern) ||
  41         match.size() < 4) {
  42         throw ParseError::make("request line", line);
  43     }
  44     Request request;
  45
  46     request._method = parseMethod(match[1]);
  47     request._target = match[2];
  48     request._version = match[3];
  49
  50     readHeaders(in, request._headers);
  51     request._body = std::string(std::istreambuf_iterator<char>(in),
  52                                 std::istreambuf_iterator<char>{});
  53
  54     return request;
  55 }
  56
  57 }  // namespace http
  58 }  // namespace net
  59 }  // namespace jaegertracing