content/common/resource_messages.h

   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 // IPC messages for resource loading.
   6 //
   7 // NOTE: All messages must send an |int request_id| as their first parameter.
   8
   9 // Multiply-included message file, hence no include guard.
  10 #include "base/memory/shared_memory.h"
  11 #include "base/process/process.h"
  12 #include "content/common/content_param_traits_macros.h"
  13 #include "content/public/common/common_param_traits.h"
  14 #include "content/public/common/resource_response.h"
  15 #include "ipc/ipc_message_macros.h"
  16 #include "net/base/request_priority.h"
  17 #include "net/http/http_response_info.h"
  18 #include "webkit/common/resource_request_body.h"
  19
  20 #ifndef CONTENT_COMMON_RESOURCE_MESSAGES_H_
  21 #define CONTENT_COMMON_RESOURCE_MESSAGES_H_
  22
  23 namespace net {
  24 struct LoadTimingInfo;
  25 }
  26
  27 namespace webkit_glue {
  28 struct ResourceDevToolsInfo;
  29 }
  30
  31 namespace IPC {
  32
  33 template <>
  34 struct ParamTraits<scoped_refptr<net::HttpResponseHeaders> > {
  35   typedef scoped_refptr<net::HttpResponseHeaders> param_type;
  36   static void Write(Message* m, const param_type& p);
  37   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
  38   static void Log(const param_type& p, std::string* l);
  39 };
  40
  41 template <>
  42 struct CONTENT_EXPORT ParamTraits<webkit_common::DataElement> {
  43   typedef webkit_common::DataElement param_type;
  44   static void Write(Message* m, const param_type& p);
  45   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
  46   static void Log(const param_type& p, std::string* l);
  47 };
  48
  49 template <>
  50 struct ParamTraits<scoped_refptr<webkit_glue::ResourceDevToolsInfo> > {
  51   typedef scoped_refptr<webkit_glue::ResourceDevToolsInfo> param_type;
  52   static void Write(Message* m, const param_type& p);
  53   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
  54   static void Log(const param_type& p, std::string* l);
  55 };
  56
  57 template <>
  58 struct ParamTraits<net::LoadTimingInfo> {
  59   typedef net::LoadTimingInfo param_type;
  60   static void Write(Message* m, const param_type& p);
  61   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
  62   static void Log(const param_type& p, std::string* l);
  63 };
  64
  65 template <>
  66 struct ParamTraits<scoped_refptr<webkit_glue::ResourceRequestBody> > {
  67   typedef scoped_refptr<webkit_glue::ResourceRequestBody> param_type;
  68   static void Write(Message* m, const param_type& p);
  69   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
  70   static void Log(const param_type& p, std::string* l);
  71 };
  72
  73 }  // namespace IPC
  74
  75 #endif  // CONTENT_COMMON_RESOURCE_MESSAGES_H_
  76
  77
  78 #define IPC_MESSAGE_START ResourceMsgStart
  79 #undef IPC_MESSAGE_EXPORT
  80 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  81
  82 IPC_ENUM_TRAITS_MAX_VALUE( \
  83     net::HttpResponseInfo::ConnectionInfo, \
  84     net::HttpResponseInfo::NUM_OF_CONNECTION_INFOS - 1)
  85
  86 IPC_STRUCT_TRAITS_BEGIN(content::ResourceResponseHead)
  87   IPC_STRUCT_TRAITS_PARENT(webkit_glue::ResourceResponseInfo)
  88   IPC_STRUCT_TRAITS_MEMBER(error_code)
  89   IPC_STRUCT_TRAITS_MEMBER(request_start)
  90   IPC_STRUCT_TRAITS_MEMBER(response_start)
  91 IPC_STRUCT_TRAITS_END()
  92
  93 IPC_STRUCT_TRAITS_BEGIN(content::SyncLoadResult)
  94   IPC_STRUCT_TRAITS_PARENT(content::ResourceResponseHead)
  95   IPC_STRUCT_TRAITS_MEMBER(final_url)
  96   IPC_STRUCT_TRAITS_MEMBER(data)
  97 IPC_STRUCT_TRAITS_END()
  98
  99 IPC_STRUCT_TRAITS_BEGIN(webkit_glue::ResourceResponseInfo)
 100   IPC_STRUCT_TRAITS_MEMBER(request_time)
 101   IPC_STRUCT_TRAITS_MEMBER(response_time)
 102   IPC_STRUCT_TRAITS_MEMBER(headers)
 103   IPC_STRUCT_TRAITS_MEMBER(mime_type)
 104   IPC_STRUCT_TRAITS_MEMBER(charset)
 105   IPC_STRUCT_TRAITS_MEMBER(security_info)
 106   IPC_STRUCT_TRAITS_MEMBER(content_length)
 107   IPC_STRUCT_TRAITS_MEMBER(encoded_data_length)
 108   IPC_STRUCT_TRAITS_MEMBER(appcache_id)
 109   IPC_STRUCT_TRAITS_MEMBER(appcache_manifest_url)
 110   IPC_STRUCT_TRAITS_MEMBER(load_timing)
 111   IPC_STRUCT_TRAITS_MEMBER(devtools_info)
 112   IPC_STRUCT_TRAITS_MEMBER(download_file_path)
 113   IPC_STRUCT_TRAITS_MEMBER(was_fetched_via_spdy)
 114   IPC_STRUCT_TRAITS_MEMBER(was_npn_negotiated)
 115   IPC_STRUCT_TRAITS_MEMBER(was_alternate_protocol_available)
 116   IPC_STRUCT_TRAITS_MEMBER(connection_info)
 117   IPC_STRUCT_TRAITS_MEMBER(was_fetched_via_proxy)
 118   IPC_STRUCT_TRAITS_MEMBER(npn_negotiated_protocol)
 119   IPC_STRUCT_TRAITS_MEMBER(socket_address)
 120 IPC_STRUCT_TRAITS_END()
 121
 122 // Parameters for a resource request.
 123 IPC_STRUCT_BEGIN(ResourceHostMsg_Request)
 124   // The request method: GET, POST, etc.
 125   IPC_STRUCT_MEMBER(std::string, method)
 126
 127   // The requested URL.
 128   IPC_STRUCT_MEMBER(GURL, url)
 129
 130   // Usually the URL of the document in the top-level window, which may be
 131   // checked by the third-party cookie blocking policy. Leaving it empty may
 132   // lead to undesired cookie blocking. Third-party cookie blocking can be
 133   // bypassed by setting first_party_for_cookies = url, but this should ideally
 134   // only be done if there really is no way to determine the correct value.
 135   IPC_STRUCT_MEMBER(GURL, first_party_for_cookies)
 136
 137   // The referrer to use (may be empty).
 138   IPC_STRUCT_MEMBER(GURL, referrer)
 139
 140   // The referrer policy to use.
 141   IPC_STRUCT_MEMBER(WebKit::WebReferrerPolicy, referrer_policy)
 142
 143   // Additional HTTP request headers.
 144   IPC_STRUCT_MEMBER(std::string, headers)
 145
 146   // net::URLRequest load flags (0 by default).
 147   IPC_STRUCT_MEMBER(int, load_flags)
 148
 149   // Process ID from which this request originated, or zero if it originated
 150   // in the renderer itself.
 151   // If kDirectNPAPIRequests isn't specified, then plugin requests get routed
 152   // through the renderer and and this holds the pid of the plugin process.
 153   // Otherwise this holds the render_process_id of the view that has the plugin.
 154   IPC_STRUCT_MEMBER(int, origin_pid)
 155
 156   // What this resource load is for (main frame, sub-frame, sub-resource,
 157   // object).
 158   IPC_STRUCT_MEMBER(ResourceType::Type, resource_type)
 159
 160   // The priority of this request.
 161   IPC_STRUCT_MEMBER(net::RequestPriority, priority)
 162
 163   // Used by plugin->browser requests to get the correct net::URLRequestContext.
 164   IPC_STRUCT_MEMBER(uint32, request_context)
 165
 166   // Indicates which frame (or worker context) the request is being loaded into,
 167   // or kNoHostId.
 168   IPC_STRUCT_MEMBER(int, appcache_host_id)
 169
 170   // Optional resource request body (may be null).
 171   IPC_STRUCT_MEMBER(scoped_refptr<webkit_glue::ResourceRequestBody>,
 172                     request_body)
 173
 174   IPC_STRUCT_MEMBER(bool, download_to_file)
 175
 176   // True if the request was user initiated.
 177   IPC_STRUCT_MEMBER(bool, has_user_gesture)
 178
 179   // True if |frame_id| is the main frame of a RenderView.
 180   IPC_STRUCT_MEMBER(bool, is_main_frame)
 181
 182   // Identifies the frame within the RenderView that sent the request.
 183   // -1 if unknown / invalid.
 184   IPC_STRUCT_MEMBER(int64, frame_id)
 185
 186   // True if |parent_frame_id| is the main frame of a RenderView.
 187   IPC_STRUCT_MEMBER(bool, parent_is_main_frame)
 188
 189   // Identifies the parent frame of the frame that sent the request.
 190   // -1 if unknown / invalid.
 191   IPC_STRUCT_MEMBER(int64, parent_frame_id)
 192
 193   IPC_STRUCT_MEMBER(content::PageTransition, transition_type)
 194
 195   // The following two members identify a previous request that has been
 196   // created before this navigation has been transferred to a new render view.
 197   // This serves the purpose of recycling the old request.
 198   // Unless this refers to a transferred navigation, these values are -1 and -1.
 199   IPC_STRUCT_MEMBER(int, transferred_request_child_id)
 200   IPC_STRUCT_MEMBER(int, transferred_request_request_id)
 201
 202   // Whether or not we should allow the URL to download.
 203   IPC_STRUCT_MEMBER(bool, allow_download)
 204 IPC_STRUCT_END()
 205
 206 // Resource messages sent from the browser to the renderer.
 207
 208 // Sent when the headers are available for a resource request.
 209 IPC_MESSAGE_CONTROL2(ResourceMsg_ReceivedResponse,
 210                      int /* request_id */,
 211                      content::ResourceResponseHead)
 212
 213 // Sent when cached metadata from a resource request is ready.
 214 IPC_MESSAGE_CONTROL2(ResourceMsg_ReceivedCachedMetadata,
 215                      int /* request_id */,
 216                      std::vector<char> /* data */)
 217
 218 // Sent as upload progress is being made.
 219 IPC_MESSAGE_CONTROL3(ResourceMsg_UploadProgress,
 220                      int /* request_id */,
 221                      int64 /* position */,
 222                      int64 /* size */)
 223
 224 // Sent when the request has been redirected.  The receiver is expected to
 225 // respond with either a FollowRedirect message (if the redirect is to be
 226 // followed) or a CancelRequest message (if it should not be followed).
 227 IPC_MESSAGE_CONTROL3(ResourceMsg_ReceivedRedirect,
 228                      int /* request_id */,
 229                      GURL /* new_url */,
 230                      content::ResourceResponseHead)
 231
 232 // Sent to set the shared memory buffer to be used to transmit response data to
 233 // the renderer.  Subsequent DataReceived messages refer to byte ranges in the
 234 // shared memory buffer.  The shared memory buffer should be retained by the
 235 // renderer until the resource request completes.
 236 //
 237 // NOTE: The shared memory handle should already be mapped into the process
 238 // that receives this message.
 239 //
 240 // TODO(darin): The |renderer_pid| parameter is just a temporary parameter,
 241 // added to help in debugging crbug/160401.
 242 //
 243 IPC_MESSAGE_CONTROL4(ResourceMsg_SetDataBuffer,
 244                      int /* request_id */,
 245                      base::SharedMemoryHandle /* shm_handle */,
 246                      int /* shm_size */,
 247                      base::ProcessId /* renderer_pid */)
 248
 249 // Sent when some data from a resource request is ready.  The data offset and
 250 // length specify a byte range into the shared memory buffer provided by the
 251 // SetDataBuffer message.
 252 IPC_MESSAGE_CONTROL4(ResourceMsg_DataReceived,
 253                      int /* request_id */,
 254                      int /* data_offset */,
 255                      int /* data_length */,
 256                      int /* encoded_data_length */)
 257
 258 // Sent when some data from a resource request has been downloaded to
 259 // file. This is only called in the 'download_to_file' case and replaces
 260 // ResourceMsg_DataReceived in the call sequence in that case.
 261 IPC_MESSAGE_CONTROL3(ResourceMsg_DataDownloaded,
 262                      int /* request_id */,
 263                      int /* data_len */,
 264                      int /* encoded_data_length */)
 265
 266 // Sent when the request has been completed.
 267 IPC_MESSAGE_CONTROL5(ResourceMsg_RequestComplete,
 268                      int /* request_id */,
 269                      int /* error_code */,
 270                      bool /* was_ignored_by_handler */,
 271                      std::string /* security info */,
 272                      base::TimeTicks /* completion_time */)
 273
 274 // Resource messages sent from the renderer to the browser.
 275
 276 // Makes a resource request via the browser.
 277 IPC_MESSAGE_ROUTED2(ResourceHostMsg_RequestResource,
 278                     int /* request_id */,
 279                     ResourceHostMsg_Request)
 280
 281 // Cancels a resource request with the ID given as the parameter.
 282 IPC_MESSAGE_CONTROL1(ResourceHostMsg_CancelRequest,
 283                      int /* request_id */)
 284
 285 // Follows a redirect that occured for the resource request with the ID given
 286 // as the parameter.
 287 IPC_MESSAGE_CONTROL3(ResourceHostMsg_FollowRedirect,
 288                      int /* request_id */,
 289                      bool /* has_new_first_party_for_cookies */,
 290                      GURL /* new_first_party_for_cookies */)
 291
 292 // Makes a synchronous resource request via the browser.
 293 IPC_SYNC_MESSAGE_ROUTED2_1(ResourceHostMsg_SyncLoad,
 294                            int /* request_id */,
 295                            ResourceHostMsg_Request,
 296                            content::SyncLoadResult)
 297
 298 // Sent when the renderer process is done processing a DataReceived
 299 // message.
 300 IPC_MESSAGE_CONTROL1(ResourceHostMsg_DataReceived_ACK,
 301                      int /* request_id */)
 302
 303 // Sent when the renderer has processed a DataDownloaded message.
 304 IPC_MESSAGE_CONTROL1(ResourceHostMsg_DataDownloaded_ACK,
 305                      int /* request_id */)
 306
 307 // Sent by the renderer process to acknowledge receipt of a
 308 // UploadProgress message.
 309 IPC_MESSAGE_CONTROL1(ResourceHostMsg_UploadProgress_ACK,
 310                      int /* request_id */)
 311
 312 // Sent when the renderer process deletes a resource loader.
 313 IPC_MESSAGE_CONTROL1(ResourceHostMsg_ReleaseDownloadedFile,
 314                      int /* request_id */)
 315
 316 // Sent by the renderer when a resource request changes priority.
 317 IPC_MESSAGE_CONTROL2(ResourceHostMsg_DidChangePriority,
 318                      int /* request_id */,
 319                      net::RequestPriority)