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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ppapi/proxy/resource_message_params.h" | 5 #include "ppapi/proxy/resource_message_params.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "ppapi/c/pp_errors.h" | 8 #include "ppapi/c/pp_errors.h" |
| 9 #include "ppapi/proxy/ppapi_messages.h" | 9 #include "ppapi/proxy/ppapi_messages.h" |
| 10 | 10 |
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| 39 | 39 |
| 40 ResourceMessageParams::~ResourceMessageParams() { | 40 ResourceMessageParams::~ResourceMessageParams() { |
| 41 } | 41 } |
| 42 | 42 |
| 43 void ResourceMessageParams::Serialize(IPC::Message* msg) const { | 43 void ResourceMessageParams::Serialize(IPC::Message* msg) const { |
| 44 WriteHeader(msg); | 44 WriteHeader(msg); |
| 45 WriteHandles(msg); | 45 WriteHandles(msg); |
| 46 } | 46 } |
| 47 | 47 |
| 48 bool ResourceMessageParams::Deserialize(const IPC::Message* msg, | 48 bool ResourceMessageParams::Deserialize(const IPC::Message* msg, |
| 49 PickleIterator* iter) { | 49 base::PickleIterator* iter) { |
| 50 return ReadHeader(msg, iter) && ReadHandles(msg, iter); | 50 return ReadHeader(msg, iter) && ReadHandles(msg, iter); |
| 51 } | 51 } |
| 52 | 52 |
| 53 void ResourceMessageParams::WriteHeader(IPC::Message* msg) const { | 53 void ResourceMessageParams::WriteHeader(IPC::Message* msg) const { |
| 54 IPC::ParamTraits<PP_Resource>::Write(msg, pp_resource_); | 54 IPC::ParamTraits<PP_Resource>::Write(msg, pp_resource_); |
| 55 IPC::ParamTraits<int32_t>::Write(msg, sequence_); | 55 IPC::ParamTraits<int32_t>::Write(msg, sequence_); |
| 56 } | 56 } |
| 57 | 57 |
| 58 void ResourceMessageParams::WriteHandles(IPC::Message* msg) const { | 58 void ResourceMessageParams::WriteHandles(IPC::Message* msg) const { |
| 59 IPC::ParamTraits<std::vector<SerializedHandle> >::Write(msg, | 59 IPC::ParamTraits<std::vector<SerializedHandle> >::Write(msg, |
| 60 handles_->data()); | 60 handles_->data()); |
| 61 } | 61 } |
| 62 | 62 |
| 63 bool ResourceMessageParams::ReadHeader(const IPC::Message* msg, | 63 bool ResourceMessageParams::ReadHeader(const IPC::Message* msg, |
| 64 PickleIterator* iter) { | 64 base::PickleIterator* iter) { |
| 65 DCHECK(handles_->data().empty()); | 65 DCHECK(handles_->data().empty()); |
| 66 handles_->set_should_close(true); | 66 handles_->set_should_close(true); |
| 67 return IPC::ParamTraits<PP_Resource>::Read(msg, iter, &pp_resource_) && | 67 return IPC::ParamTraits<PP_Resource>::Read(msg, iter, &pp_resource_) && |
| 68 IPC::ParamTraits<int32_t>::Read(msg, iter, &sequence_); | 68 IPC::ParamTraits<int32_t>::Read(msg, iter, &sequence_); |
| 69 } | 69 } |
| 70 | 70 |
| 71 bool ResourceMessageParams::ReadHandles(const IPC::Message* msg, | 71 bool ResourceMessageParams::ReadHandles(const IPC::Message* msg, |
| 72 PickleIterator* iter) { | 72 base::PickleIterator* iter) { |
| 73 return IPC::ParamTraits<std::vector<SerializedHandle> >::Read( | 73 return IPC::ParamTraits<std::vector<SerializedHandle> >::Read( |
| 74 msg, iter, &handles_->data()); | 74 msg, iter, &handles_->data()); |
| 75 } | 75 } |
| 76 | 76 |
| 77 void ResourceMessageParams::ConsumeHandles() const { | 77 void ResourceMessageParams::ConsumeHandles() const { |
| 78 // Note: we must not invalidate the handles. This is used for converting | 78 // Note: we must not invalidate the handles. This is used for converting |
| 79 // handles from the host OS to NaCl, and that conversion will not work if we | 79 // handles from the host OS to NaCl, and that conversion will not work if we |
| 80 // invalidate the handles (see HandleConverter). | 80 // invalidate the handles (see HandleConverter). |
| 81 handles_->set_should_close(false); | 81 handles_->set_should_close(false); |
| 82 } | 82 } |
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| 152 | 152 |
| 153 ResourceMessageCallParams::~ResourceMessageCallParams() { | 153 ResourceMessageCallParams::~ResourceMessageCallParams() { |
| 154 } | 154 } |
| 155 | 155 |
| 156 void ResourceMessageCallParams::Serialize(IPC::Message* msg) const { | 156 void ResourceMessageCallParams::Serialize(IPC::Message* msg) const { |
| 157 ResourceMessageParams::Serialize(msg); | 157 ResourceMessageParams::Serialize(msg); |
| 158 IPC::ParamTraits<bool>::Write(msg, has_callback_); | 158 IPC::ParamTraits<bool>::Write(msg, has_callback_); |
| 159 } | 159 } |
| 160 | 160 |
| 161 bool ResourceMessageCallParams::Deserialize(const IPC::Message* msg, | 161 bool ResourceMessageCallParams::Deserialize(const IPC::Message* msg, |
| 162 PickleIterator* iter) { | 162 base::PickleIterator* iter) { |
| 163 if (!ResourceMessageParams::Deserialize(msg, iter)) | 163 if (!ResourceMessageParams::Deserialize(msg, iter)) |
| 164 return false; | 164 return false; |
| 165 return IPC::ParamTraits<bool>::Read(msg, iter, &has_callback_); | 165 return IPC::ParamTraits<bool>::Read(msg, iter, &has_callback_); |
| 166 } | 166 } |
| 167 | 167 |
| 168 ResourceMessageReplyParams::ResourceMessageReplyParams() | 168 ResourceMessageReplyParams::ResourceMessageReplyParams() |
| 169 : ResourceMessageParams(), | 169 : ResourceMessageParams(), |
| 170 result_(PP_OK) { | 170 result_(PP_OK) { |
| 171 } | 171 } |
| 172 | 172 |
| 173 ResourceMessageReplyParams::ResourceMessageReplyParams(PP_Resource resource, | 173 ResourceMessageReplyParams::ResourceMessageReplyParams(PP_Resource resource, |
| 174 int32_t sequence) | 174 int32_t sequence) |
| 175 : ResourceMessageParams(resource, sequence), | 175 : ResourceMessageParams(resource, sequence), |
| 176 result_(PP_OK) { | 176 result_(PP_OK) { |
| 177 } | 177 } |
| 178 | 178 |
| 179 ResourceMessageReplyParams::~ResourceMessageReplyParams() { | 179 ResourceMessageReplyParams::~ResourceMessageReplyParams() { |
| 180 } | 180 } |
| 181 | 181 |
| 182 void ResourceMessageReplyParams::Serialize(IPC::Message* msg) const { | 182 void ResourceMessageReplyParams::Serialize(IPC::Message* msg) const { |
| 183 // Rather than serialize all of ResourceMessageParams first, we serialize all | 183 // Rather than serialize all of ResourceMessageParams first, we serialize all |
| 184 // non-handle data first, then the handles. When transferring to NaCl on | 184 // non-handle data first, then the handles. When transferring to NaCl on |
| 185 // Windows, we need to be able to translate Windows-style handles to POSIX- | 185 // Windows, we need to be able to translate Windows-style handles to POSIX- |
| 186 // style handles, and it's easier to put all the regular stuff at the front. | 186 // style handles, and it's easier to put all the regular stuff at the front. |
| 187 WriteReplyHeader(msg); | 187 WriteReplyHeader(msg); |
| 188 WriteHandles(msg); | 188 WriteHandles(msg); |
| 189 } | 189 } |
| 190 | 190 |
| 191 bool ResourceMessageReplyParams::Deserialize(const IPC::Message* msg, | 191 bool ResourceMessageReplyParams::Deserialize(const IPC::Message* msg, |
| 192 PickleIterator* iter) { | 192 base::PickleIterator* iter) { |
| 193 return (ReadHeader(msg, iter) && | 193 return (ReadHeader(msg, iter) && |
| 194 IPC::ParamTraits<int32_t>::Read(msg, iter, &result_) && | 194 IPC::ParamTraits<int32_t>::Read(msg, iter, &result_) && |
| 195 ReadHandles(msg, iter)); | 195 ReadHandles(msg, iter)); |
| 196 } | 196 } |
| 197 | 197 |
| 198 void ResourceMessageReplyParams::WriteReplyHeader(IPC::Message* msg) const { | 198 void ResourceMessageReplyParams::WriteReplyHeader(IPC::Message* msg) const { |
| 199 WriteHeader(msg); | 199 WriteHeader(msg); |
| 200 IPC::ParamTraits<int32_t>::Write(msg, result_); | 200 IPC::ParamTraits<int32_t>::Write(msg, result_); |
| 201 } | 201 } |
| 202 | 202 |
| 203 } // namespace proxy | 203 } // namespace proxy |
| 204 } // namespace ppapi | 204 } // namespace ppapi |
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