Issue 5180 - introduce asynchronous web request

src/DefaultWebRequestWinInet.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 29 matching lines @@
 
 };
 
 
 long WindowsErrorToGeckoError(DWORD err)
 {
   // TODO: Add some more error code translations for easier debugging
   switch (err)
   {
   case ERROR_INVALID_HANDLE:
-    return AdblockPlus::WebRequest::NS_ERROR_NOT_INITIALIZED;
+    return AdblockPlus::IWebRequest::NS_ERROR_NOT_INITIALIZED;
   case ERROR_OUTOFMEMORY:
-    return AdblockPlus::WebRequest::NS_ERROR_OUT_OF_MEMORY;
+    return AdblockPlus::IWebRequest::NS_ERROR_OUT_OF_MEMORY;
   case ERROR_WINHTTP_UNRECOGNIZED_SCHEME:
-    return AdblockPlus::WebRequest::NS_ERROR_UNKNOWN_PROTOCOL;
+    return AdblockPlus::IWebRequest::NS_ERROR_UNKNOWN_PROTOCOL;
   case ERROR_WINHTTP_CONNECTION_ERROR:
-    return AdblockPlus::WebRequest::NS_ERROR_NET_INTERRUPT;
+    return AdblockPlus::IWebRequest::NS_ERROR_NET_INTERRUPT;
   case ERROR_WINHTTP_INVALID_URL:
-    return AdblockPlus::WebRequest::NS_ERROR_MALFORMED_URI;
+    return AdblockPlus::IWebRequest::NS_ERROR_MALFORMED_URI;
   case ERROR_WINHTTP_TIMEOUT:
-    return AdblockPlus::WebRequest::NS_ERROR_NET_TIMEOUT;
+    return AdblockPlus::IWebRequest::NS_ERROR_NET_TIMEOUT;
   case ERROR_WINHTTP_NAME_NOT_RESOLVED:
-    return AdblockPlus::WebRequest::NS_ERROR_UNKNOWN_HOST;
+    return AdblockPlus::IWebRequest::NS_ERROR_UNKNOWN_HOST;
 
   default:
-    return AdblockPlus::WebRequest::NS_CUSTOM_ERROR_BASE + err;
+    return AdblockPlus::IWebRequest::NS_CUSTOM_ERROR_BASE + err;
   }
 }
 
 BOOL GetProxySettings(std::wstring& proxyName, std::wstring& proxyBypass)
 {
   BOOL bResult = TRUE;
 
   // Get Proxy config info.
   WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxyConfig;
 
@@ skipping 101 matching lines @@
   {
     throw std::exception("Can't parse the status code");
   }
   statusStr.resize(statusLen / sizeof(std::wstring::value_type) + 1);
   res = WinHttpQueryHeaders(hRequest, WINHTTP_QUERY_STATUS_CODE, WINHTTP_HEADER_NAME_BY_INDEX, &statusStr[0], &statusLen, WINHTTP_NO_HEADER_INDEX);
   if ((statusLen == 0) || (!res))
   {
     throw std::exception("Can't parse the status code");
   }
   std::wistringstream(statusStr) >> result->responseStatus;
-  result->status = AdblockPlus::DefaultWebRequest::NS_OK;
+  result->status = AdblockPlus::IWebRequest::NS_OK;
 
 }
 
-AdblockPlus::ServerResponse AdblockPlus::DefaultWebRequest::GET(
+AdblockPlus::ServerResponse AdblockPlus::DefaultWebRequestSync::GET(
   const std::string& url, const HeaderList& requestHeaders) const
 {
   AdblockPlus::ServerResponse result;
-  result.status = NS_ERROR_FAILURE;
+  result.status = IWebRequest::NS_ERROR_FAILURE;
   result.responseStatus = 0;
 
   HRESULT hr;
   BOOL res;
 
   std::wstring canonizedUrl = Utils::CanonizeUrl(Utils::ToUtf16String(url));
 
   std::string headersString = "";
   for (int i = 0; i < requestHeaders.size(); i++)
   {
@@ skipping 115 matching lines @@
     if (!WinHttpQueryDataAvailable(hRequest, &downloadSize))
     {
       result.responseStatus = WindowsErrorToGeckoError(GetLastError());
       break;
     }
     // Allocate space for the buffer.
     outBuffer.reset(new char[downloadSize+1]);
     if (!outBuffer.get())
     {
       //Out of memory?
-      result.status = NS_ERROR_OUT_OF_MEMORY;
+      result.status = IWebRequest::NS_ERROR_OUT_OF_MEMORY;
       break;
     }
     else
     {
       // Read the data.
       ZeroMemory(outBuffer.get(), downloadSize+1);
 
       if (WinHttpReadData(hRequest, outBuffer.get(), downloadSize, &downloaded))
       {
         result.responseText.append(outBuffer.get(), downloaded);
       }
     }
   } while (downloadSize > 0);
   return result;
 }