content/browser/appcache/appcache_dispatcher_host.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 "content/browser/appcache/appcache_dispatcher_host.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "content/browser/appcache/chrome_appcache_service.h"
  10 #include "content/browser/bad_message.h"
  11 #include "content/common/appcache_messages.h"
  12 #include "content/public/browser/user_metrics.h"
  13
  14 namespace content {
  15
  16 AppCacheDispatcherHost::AppCacheDispatcherHost(
  17     ChromeAppCacheService* appcache_service,
  18     int process_id)
  19     : BrowserMessageFilter(AppCacheMsgStart),
  20       appcache_service_(appcache_service),
  21       frontend_proxy_(this),
  22       process_id_(process_id) {
  23 }
  24
  25 void AppCacheDispatcherHost::OnChannelConnected(int32 peer_pid) {
  26   if (appcache_service_.get()) {
  27     backend_impl_.Initialize(
  28         appcache_service_.get(), &frontend_proxy_, process_id_);
  29     get_status_callback_ =
  30         base::Bind(&AppCacheDispatcherHost::GetStatusCallback,
  31                    base::Unretained(this));
  32     start_update_callback_ =
  33         base::Bind(&AppCacheDispatcherHost::StartUpdateCallback,
  34                    base::Unretained(this));
  35     swap_cache_callback_ =
  36         base::Bind(&AppCacheDispatcherHost::SwapCacheCallback,
  37                    base::Unretained(this));
  38   }
  39 }
  40
  41 bool AppCacheDispatcherHost::OnMessageReceived(const IPC::Message& message) {
  42   bool handled = true;
  43   IPC_BEGIN_MESSAGE_MAP(AppCacheDispatcherHost, message)
  44     IPC_MESSAGE_HANDLER(AppCacheHostMsg_RegisterHost, OnRegisterHost)
  45     IPC_MESSAGE_HANDLER(AppCacheHostMsg_UnregisterHost, OnUnregisterHost)
  46     IPC_MESSAGE_HANDLER(AppCacheHostMsg_SetSpawningHostId, OnSetSpawningHostId)
  47     IPC_MESSAGE_HANDLER(AppCacheHostMsg_GetResourceList, OnGetResourceList)
  48     IPC_MESSAGE_HANDLER(AppCacheHostMsg_SelectCache, OnSelectCache)
  49     IPC_MESSAGE_HANDLER(AppCacheHostMsg_SelectCacheForWorker,
  50                         OnSelectCacheForWorker)
  51     IPC_MESSAGE_HANDLER(AppCacheHostMsg_SelectCacheForSharedWorker,
  52                         OnSelectCacheForSharedWorker)
  53     IPC_MESSAGE_HANDLER(AppCacheHostMsg_MarkAsForeignEntry,
  54                         OnMarkAsForeignEntry)
  55     IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheHostMsg_GetStatus, OnGetStatus)
  56     IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheHostMsg_StartUpdate, OnStartUpdate)
  57     IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheHostMsg_SwapCache, OnSwapCache)
  58     IPC_MESSAGE_UNHANDLED(handled = false)
  59   IPC_END_MESSAGE_MAP()
  60
  61   return handled;
  62 }
  63
  64 AppCacheDispatcherHost::~AppCacheDispatcherHost() {}
  65
  66 void AppCacheDispatcherHost::OnRegisterHost(int host_id) {
  67   if (appcache_service_.get()) {
  68     if (!backend_impl_.RegisterHost(host_id)) {
  69       bad_message::ReceivedBadMessage(this, bad_message::ACDH_REGISTER);
  70     }
  71   }
  72 }
  73
  74 void AppCacheDispatcherHost::OnUnregisterHost(int host_id) {
  75   if (appcache_service_.get()) {
  76     if (!backend_impl_.UnregisterHost(host_id)) {
  77       bad_message::ReceivedBadMessage(this, bad_message::ACDH_UNREGISTER);
  78     }
  79   }
  80 }
  81
  82 void AppCacheDispatcherHost::OnSetSpawningHostId(
  83     int host_id, int spawning_host_id) {
  84   if (appcache_service_.get()) {
  85     if (!backend_impl_.SetSpawningHostId(host_id, spawning_host_id))
  86       bad_message::ReceivedBadMessage(this, bad_message::ACDH_SET_SPAWNING);
  87   }
  88 }
  89
  90 void AppCacheDispatcherHost::OnSelectCache(
  91     int host_id, const GURL& document_url,
  92     int64 cache_document_was_loaded_from,
  93     const GURL& opt_manifest_url) {
  94   if (appcache_service_.get()) {
  95     if (!backend_impl_.SelectCache(host_id,
  96                                    document_url,
  97                                    cache_document_was_loaded_from,
  98                                    opt_manifest_url)) {
  99       bad_message::ReceivedBadMessage(this, bad_message::ACDH_SELECT_CACHE);
 100     }
 101   } else {
 102     frontend_proxy_.OnCacheSelected(host_id, AppCacheInfo());
 103   }
 104 }
 105
 106 void AppCacheDispatcherHost::OnSelectCacheForWorker(
 107     int host_id, int parent_process_id, int parent_host_id) {
 108   if (appcache_service_.get()) {
 109     if (!backend_impl_.SelectCacheForWorker(
 110             host_id, parent_process_id, parent_host_id)) {
 111       bad_message::ReceivedBadMessage(
 112           this, bad_message::ACDH_SELECT_CACHE_FOR_WORKER);
 113     }
 114   } else {
 115     frontend_proxy_.OnCacheSelected(host_id, AppCacheInfo());
 116   }
 117 }
 118
 119 void AppCacheDispatcherHost::OnSelectCacheForSharedWorker(
 120     int host_id, int64 appcache_id) {
 121   if (appcache_service_.get()) {
 122     if (!backend_impl_.SelectCacheForSharedWorker(host_id, appcache_id))
 123       bad_message::ReceivedBadMessage(
 124           this, bad_message::ACDH_SELECT_CACHE_FOR_SHARED_WORKER);
 125   } else {
 126     frontend_proxy_.OnCacheSelected(host_id, AppCacheInfo());
 127   }
 128 }
 129
 130 void AppCacheDispatcherHost::OnMarkAsForeignEntry(
 131     int host_id, const GURL& document_url,
 132     int64 cache_document_was_loaded_from) {
 133   if (appcache_service_.get()) {
 134     if (!backend_impl_.MarkAsForeignEntry(
 135             host_id, document_url, cache_document_was_loaded_from)) {
 136       bad_message::ReceivedBadMessage(this,
 137                                       bad_message::ACDH_MARK_AS_FOREIGN_ENTRY);
 138     }
 139   }
 140 }
 141
 142 void AppCacheDispatcherHost::OnGetResourceList(
 143     int host_id, std::vector<AppCacheResourceInfo>* params) {
 144   if (appcache_service_.get())
 145     backend_impl_.GetResourceList(host_id, params);
 146 }
 147
 148 void AppCacheDispatcherHost::OnGetStatus(int host_id, IPC::Message* reply_msg) {
 149   if (pending_reply_msg_) {
 150     bad_message::ReceivedBadMessage(
 151         this, bad_message::ACDH_PENDING_REPLY_IN_GET_STATUS);
 152     delete reply_msg;
 153     return;
 154   }
 155
 156   pending_reply_msg_.reset(reply_msg);
 157   if (appcache_service_.get()) {
 158     if (!backend_impl_.GetStatusWithCallback(
 159             host_id, get_status_callback_, reply_msg)) {
 160       bad_message::ReceivedBadMessage(this, bad_message::ACDH_GET_STATUS);
 161     }
 162     return;
 163   }
 164
 165   GetStatusCallback(APPCACHE_STATUS_UNCACHED, reply_msg);
 166 }
 167
 168 void AppCacheDispatcherHost::OnStartUpdate(int host_id,
 169                                            IPC::Message* reply_msg) {
 170   if (pending_reply_msg_) {
 171     bad_message::ReceivedBadMessage(
 172         this, bad_message::ACDH_PENDING_REPLY_IN_START_UPDATE);
 173     delete reply_msg;
 174     return;
 175   }
 176
 177   pending_reply_msg_.reset(reply_msg);
 178   if (appcache_service_.get()) {
 179     if (!backend_impl_.StartUpdateWithCallback(
 180             host_id, start_update_callback_, reply_msg)) {
 181       bad_message::ReceivedBadMessage(this, bad_message::ACDH_START_UPDATE);
 182     }
 183     return;
 184   }
 185
 186   StartUpdateCallback(false, reply_msg);
 187 }
 188
 189 void AppCacheDispatcherHost::OnSwapCache(int host_id, IPC::Message* reply_msg) {
 190   if (pending_reply_msg_) {
 191     bad_message::ReceivedBadMessage(
 192         this, bad_message::ACDH_PENDING_REPLY_IN_SWAP_CACHE);
 193     delete reply_msg;
 194     return;
 195   }
 196
 197   pending_reply_msg_.reset(reply_msg);
 198   if (appcache_service_.get()) {
 199     if (!backend_impl_.SwapCacheWithCallback(
 200             host_id, swap_cache_callback_, reply_msg)) {
 201       bad_message::ReceivedBadMessage(this, bad_message::ACDH_SWAP_CACHE);
 202     }
 203     return;
 204   }
 205
 206   SwapCacheCallback(false, reply_msg);
 207 }
 208
 209 void AppCacheDispatcherHost::GetStatusCallback(
 210     AppCacheStatus status, void* param) {
 211   IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
 212   DCHECK_EQ(pending_reply_msg_.get(), reply_msg);
 213   AppCacheHostMsg_GetStatus::WriteReplyParams(reply_msg, status);
 214   Send(pending_reply_msg_.release());
 215 }
 216
 217 void AppCacheDispatcherHost::StartUpdateCallback(bool result, void* param) {
 218   IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
 219   DCHECK_EQ(pending_reply_msg_.get(), reply_msg);
 220   AppCacheHostMsg_StartUpdate::WriteReplyParams(reply_msg, result);
 221   Send(pending_reply_msg_.release());
 222 }
 223
 224 void AppCacheDispatcherHost::SwapCacheCallback(bool result, void* param) {
 225   IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
 226   DCHECK_EQ(pending_reply_msg_.get(), reply_msg);
 227   AppCacheHostMsg_SwapCache::WriteReplyParams(reply_msg, result);
 228   Send(pending_reply_msg_.release());
 229 }
 230
 231 }  // namespace content