net/websockets/websocket_net_log_params.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/websockets/websocket_net_log_params.h"
   6
   7 #include "base/stringprintf.h"
   8 #include "base/values.h"
   9
  10 namespace net {
  11
  12 Value* NetLogWebSocketHandshakeCallback(const std::string* headers,
  13                                         NetLog::LogLevel /* log_level */) {
  14   DictionaryValue* dict = new DictionaryValue();
  15   ListValue* header_list = new ListValue();
  16
  17   size_t last = 0;
  18   size_t headers_size = headers->size();
  19   size_t pos = 0;
  20   while (pos <= headers_size) {
  21     if (pos == headers_size ||
  22         ((*headers)[pos] == '\r' &&
  23          pos + 1 < headers_size && (*headers)[pos + 1] == '\n')) {
  24       std::string entry = headers->substr(last, pos - last);
  25       pos += 2;
  26       last = pos;
  27
  28       header_list->Append(new StringValue(entry));
  29
  30       if (entry.empty()) {
  31         // Dump WebSocket key3.
  32         std::string key;
  33         for (; pos < headers_size; ++pos) {
  34           key += base::StringPrintf("\\x%02x", (*headers)[pos] & 0xff);
  35         }
  36         header_list->Append(new StringValue(key));
  37         break;
  38       }
  39     } else {
  40       ++pos;
  41     }
  42   }
  43
  44   dict->Set("headers", header_list);
  45   return dict;
  46 }
  47
  48 }  // namespace net