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| 1 /* | |
| 2 * Copyright 2008 The Native Client Authors. All rights reserved. | |
| 3 * Use of this source code is governed by a BSD-style license that can | |
| 4 * be found in the LICENSE file. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <setjmp.h> | |
| 9 #include <stdio.h> | |
| 10 #include <string.h> | |
| 11 | |
| 12 #include <map> | |
| 13 | |
| 14 #include "native_client/src/trusted/plugin/srpc/browser_interface.h" | |
| 15 #include "native_client/src/trusted/plugin/srpc/desc_based_handle.h" | |
| 16 #include "native_client/src/trusted/plugin/srpc/portable_handle.h" | |
| 17 #include "native_client/src/trusted/plugin/srpc/shared_memory.h" | |
| 18 #include "native_client/src/trusted/plugin/srpc/plugin.h" | |
| 19 | |
| 20 #include "native_client/src/trusted/plugin/srpc/scriptable_handle.h" | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 bool Map(void* obj, plugin::SrpcParams* params) { | |
| 25 plugin::DescBasedHandle *ptr = | |
| 26 reinterpret_cast<plugin::DescBasedHandle*>(obj); | |
| 27 // Create a copy of the wrapper to go on the SharedMemory object. | |
| 28 nacl::DescWrapper* shm_wrapper = | |
| 29 ptr->plugin()->wrapper_factory()->MakeGeneric(ptr->wrapper()->desc()); | |
| 30 // Increment the ref count of the contained object. | |
| 31 NaClDescRef(shm_wrapper->desc()); | |
| 32 | |
| 33 plugin::SharedMemory* portable_shared_memory = | |
| 34 plugin::SharedMemory::New(ptr->plugin(), shm_wrapper); | |
| 35 plugin::ScriptableHandle* shared_memory = | |
| 36 ptr->browser_interface()->NewScriptableHandle(portable_shared_memory); | |
| 37 if (NULL == shared_memory) { | |
| 38 return false; | |
| 39 } | |
| 40 PLUGIN_PRINTF(("ScriptableHandle::Invoke: new returned %p\n", | |
| 41 static_cast<void*>(shared_memory))); | |
| 42 params->outs()[0]->tag = NACL_SRPC_ARG_TYPE_OBJECT; | |
| 43 params->outs()[0]->u.oval = shared_memory; | |
| 44 return true; | |
| 45 } | |
| 46 | |
| 47 } // namespace | |
| 48 | |
| 49 namespace plugin { | |
| 50 | |
| 51 DescBasedHandle::DescBasedHandle(): plugin_(NULL), | |
| 52 wrapper_(NULL) { | |
| 53 PLUGIN_PRINTF(("DescBasedHandle::DescBasedHandle(%p)\n", | |
| 54 static_cast<void*>(this))); | |
| 55 } | |
| 56 | |
| 57 DescBasedHandle::~DescBasedHandle() { | |
| 58 PLUGIN_PRINTF(("DescBasedHandle::~DescBasedHandle(%p)\n", | |
| 59 static_cast<void*>(this))); | |
| 60 if (NULL != wrapper_) { | |
| 61 wrapper_->Delete(); | |
| 62 wrapper_ = NULL; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 DescBasedHandle* DescBasedHandle::New(Plugin* plugin, | |
| 67 nacl::DescWrapper* wrapper) { | |
| 68 PLUGIN_PRINTF(("DescBasedHandle::New()\n")); | |
| 69 | |
| 70 DescBasedHandle* desc_based_handle = new(std::nothrow) DescBasedHandle(); | |
| 71 | |
| 72 if (desc_based_handle == NULL || !desc_based_handle->Init(plugin, wrapper)) { | |
| 73 return NULL; | |
| 74 } | |
| 75 | |
| 76 return desc_based_handle; | |
| 77 } | |
| 78 | |
| 79 bool DescBasedHandle::Init(Plugin* plugin, nacl::DescWrapper* wrapper) { | |
| 80 plugin_ = plugin; | |
| 81 wrapper_ = wrapper; | |
| 82 LoadMethods(); | |
| 83 return true; | |
| 84 } | |
| 85 | |
| 86 BrowserInterface* DescBasedHandle::browser_interface() const { | |
| 87 return plugin_->browser_interface(); | |
| 88 } | |
| 89 | |
| 90 void DescBasedHandle::LoadMethods() { | |
| 91 // Methods supported by DescBasedHandle. | |
| 92 AddMethodCall(Map, "map", "", "h"); | |
| 93 } | |
| 94 | |
| 95 } // namespace plugin | |
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