chrome/renderer/net_benchmarking_extension.cc

   1 // Copyright (c) 2013 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 "chrome/renderer/net_benchmarking_extension.h"
   6
   7 #include "chrome/common/benchmarking_messages.h"
   8 #include "content/public/renderer/render_thread.h"
   9 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
  10 #include "v8/include/v8.h"
  11
  12 using WebKit::WebCache;
  13
  14 const char kNetBenchmarkingExtensionName[] = "v8/NetBenchmarking";
  15
  16 namespace extensions_v8 {
  17
  18 class NetBenchmarkingWrapper : public v8::Extension {
  19  public:
  20   NetBenchmarkingWrapper() :
  21       v8::Extension(kNetBenchmarkingExtensionName,
  22         "if (typeof(chrome) == 'undefined') {"
  23         "  chrome = {};"
  24         "};"
  25         "if (typeof(chrome.benchmarking) == 'undefined') {"
  26         "  chrome.benchmarking = {};"
  27         "};"
  28         "chrome.benchmarking.clearCache = function() {"
  29         "  native function ClearCache();"
  30         "  ClearCache();"
  31         "};"
  32         "chrome.benchmarking.clearHostResolverCache = function() {"
  33         "  native function ClearHostResolverCache();"
  34         "  ClearHostResolverCache();"
  35         "};"
  36         "chrome.benchmarking.clearPredictorCache = function() {"
  37         "  native function ClearPredictorCache();"
  38         "  ClearPredictorCache();"
  39         "};"
  40         "chrome.benchmarking.closeConnections = function() {"
  41         "  native function CloseConnections();"
  42         "  CloseConnections();"
  43         "};"
  44         "chrome.benchmarking.enableSpdy = function(name) {"
  45         "  native function EnableSpdy();"
  46         "  EnableSpdy(name);"
  47         "};"
  48         ) {}
  49
  50   virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
  51       v8::Handle<v8::String> name) OVERRIDE {
  52     if (name->Equals(v8::String::New("ClearCache"))) {
  53       return v8::FunctionTemplate::New(ClearCache);
  54     } else if (name->Equals(v8::String::New("ClearHostResolverCache"))) {
  55       return v8::FunctionTemplate::New(ClearHostResolverCache);
  56     } else if (name->Equals(v8::String::New("ClearPredictorCache"))) {
  57       return v8::FunctionTemplate::New(ClearPredictorCache);
  58     } else if (name->Equals(v8::String::New("EnableSpdy"))) {
  59       return v8::FunctionTemplate::New(EnableSpdy);
  60     } else if (name->Equals(v8::String::New("CloseConnections"))) {
  61       return v8::FunctionTemplate::New(CloseConnections);
  62     }
  63
  64     return v8::Handle<v8::FunctionTemplate>();
  65   }
  66
  67   static v8::Handle<v8::Value> ClearCache(const v8::Arguments& args) {
  68     int rv;
  69     content::RenderThread::Get()->Send(new ChromeViewHostMsg_ClearCache(&rv));
  70     WebCache::clear();
  71     return v8::Undefined();
  72   }
  73
  74   static v8::Handle<v8::Value> ClearHostResolverCache(
  75       const v8::Arguments& args) {
  76     int rv;
  77     content::RenderThread::Get()->Send(
  78         new ChromeViewHostMsg_ClearHostResolverCache(&rv));
  79     return v8::Undefined();
  80   }
  81
  82   static v8::Handle<v8::Value> ClearPredictorCache(
  83       const v8::Arguments& args) {
  84     int rv;
  85     content::RenderThread::Get()->Send(
  86         new ChromeViewHostMsg_ClearPredictorCache(&rv));
  87     return v8::Undefined();
  88   }
  89
  90   static v8::Handle<v8::Value> CloseConnections(const v8::Arguments& args) {
  91     content::RenderThread::Get()->Send(
  92         new ChromeViewHostMsg_CloseCurrentConnections());
  93     return v8::Undefined();
  94   }
  95
  96   static v8::Handle<v8::Value> EnableSpdy(const v8::Arguments& args) {
  97     if (!args.Length() || !args[0]->IsBoolean())
  98       return v8::Undefined();
  99
 100     content::RenderThread::Get()->Send(new ChromeViewHostMsg_EnableSpdy(
 101         args[0]->BooleanValue()));
 102     return v8::Undefined();
 103   }
 104 };
 105
 106 v8::Extension* NetBenchmarkingExtension::Get() {
 107   return new NetBenchmarkingWrapper();
 108 }
 109
 110 }  // namespace extensions_v8