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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/public/bindings/js/core.h"
#include "gin/arguments.h"
#include "gin/array_buffer.h"
#include "gin/converter.h"
#include "gin/dictionary.h"
#include "gin/per_isolate_data.h"
#include "gin/public/wrapper_info.h"
#include "mojo/public/bindings/js/handle.h"
namespace mojo {
namespace js {
namespace {
void Close(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
mojo::Handle handle = mojo::kInvalidHandle;
if (!args.GetNext(&handle))
return args.ThrowError();
args.Return(mojo::Close(handle));
}
void Wait(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
mojo::Handle handle = mojo::kInvalidHandle;
MojoWaitFlags flags = MOJO_WAIT_FLAG_NONE;
MojoDeadline deadline = MOJO_DEADLINE_INDEFINITE;
if (!args.GetNext(&handle) ||
!args.GetNext(&flags) ||
!args.GetNext(&deadline)) {
return args.ThrowError();
}
args.Return(mojo::Wait(handle, flags, deadline));
}
void WaitMany(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
std::vector<mojo::Handle> handles;
std::vector<MojoWaitFlags> flags;
MojoDeadline deadline = MOJO_DEADLINE_INDEFINITE;
if (!args.GetNext(&handles) ||
!args.GetNext(&flags) ||
!args.GetNext(&deadline)) {
return args.ThrowError();
}
if (handles.size() != flags.size())
return args.ThrowTypeError("Arrays must have the same length.");
args.Return(mojo::WaitMany(handles.data(), flags.data(),
static_cast<uint32_t>(handles.size()), deadline));
}
void CreateMessagePipe(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
mojo::Handle handle_0 = mojo::kInvalidHandle;
mojo::Handle handle_1 = mojo::kInvalidHandle;
MojoResult result = mojo::CreateMessagePipe(&handle_0, &handle_1);
gin::Dictionary dictionary = gin::Dictionary::CreateEmpty(info.GetIsolate());
dictionary.Set("result", result);
dictionary.Set("handle0", handle_0);
dictionary.Set("handle1", handle_1);
args.Return(dictionary);
}
void WriteMessage(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
mojo::Handle handle = mojo::kInvalidHandle;
gin::ArrayBufferView buffer(args.isolate());
std::vector<mojo::Handle> handles;
MojoWriteMessageFlags flags = MOJO_WRITE_MESSAGE_FLAG_NONE;
if (!args.GetNext(&handle) ||
!args.GetNext(&buffer) ||
!args.GetNext(&handles) ||
!args.GetNext(&flags)) {
return args.ThrowError();
}
args.Return(mojo::WriteMessage(handle, buffer.bytes(),
static_cast<uint32_t>(buffer.num_bytes()),
handles.data(),
static_cast<uint32_t>(handles.size()),
flags));
}
void ReadMessage(const v8::FunctionCallbackInfo<v8::Value>& info) {
gin::Arguments args(info);
mojo::Handle handle = mojo::kInvalidHandle;
gin::ArrayBufferView buffer(args.isolate());
uint32_t num_handles = 0;
MojoReadMessageFlags flags = MOJO_READ_MESSAGE_FLAG_NONE;
if (!args.GetNext(&handle) ||
!args.GetNext(&buffer) ||
!args.GetNext(&num_handles) ||
!args.GetNext(&flags)) {
return args.ThrowError();
}
uint32_t num_bytes = static_cast<uint32_t>(buffer.num_bytes());
std::vector<mojo::Handle> handles(num_handles);
MojoResult result = mojo::ReadMessage(handle, buffer.bytes(), &num_bytes,
handles.data(), &num_handles, flags);
handles.resize(num_handles);
// TODO(abarth): We should benchmark this codepath to make sure it's ok to
// allocate all this memory on each read.
gin::Dictionary dictionary = gin::Dictionary::CreateEmpty(info.GetIsolate());
dictionary.Set("result", result);
dictionary.Set("bytesRead", num_bytes);
dictionary.Set("handles", handles);
args.Return(dictionary);
}
gin::WrapperInfo g_core_wrapper_info = {};
} // namespace
const char Core::kModuleName[] = "mojo/public/bindings/js/core";
v8::Local<v8::ObjectTemplate> Core::GetTemplate(v8::Isolate* isolate) {
gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
&g_core_wrapper_info);
if (templ.IsEmpty()) {
templ = v8::ObjectTemplate::New();
templ->Set(gin::StringToSymbol(isolate, "close"),
v8::FunctionTemplate::New(Close));
templ->Set(gin::StringToSymbol(isolate, "wait"),
v8::FunctionTemplate::New(Wait));
templ->Set(gin::StringToSymbol(isolate, "waitMany"),
v8::FunctionTemplate::New(WaitMany));
templ->Set(gin::StringToSymbol(isolate, "createMessagePipe"),
v8::FunctionTemplate::New(CreateMessagePipe));
templ->Set(gin::StringToSymbol(isolate, "writeMessage"),
v8::FunctionTemplate::New(WriteMessage));
templ->Set(gin::StringToSymbol(isolate, "readMessage"),
v8::FunctionTemplate::New(ReadMessage));
templ->Set(gin::StringToSymbol(isolate, "kInvalidHandle"),
gin::ConvertToV8(isolate, mojo::kInvalidHandle));
templ->Set(gin::StringToSymbol(isolate, "RESULT_OK"),
gin::ConvertToV8(isolate, MOJO_RESULT_OK));
templ->Set(gin::StringToSymbol(isolate, "RESULT_CANCELLED"),
gin::ConvertToV8(isolate, MOJO_RESULT_CANCELLED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_UNKNOWN"),
gin::ConvertToV8(isolate, MOJO_RESULT_UNKNOWN));
templ->Set(gin::StringToSymbol(isolate, "RESULT_INVALID_ARGUMENT"),
gin::ConvertToV8(isolate, MOJO_RESULT_INVALID_ARGUMENT));
templ->Set(gin::StringToSymbol(isolate, "RESULT_DEADLINE_EXCEEDED"),
gin::ConvertToV8(isolate, MOJO_RESULT_DEADLINE_EXCEEDED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_NOT_FOUND"),
gin::ConvertToV8(isolate, MOJO_RESULT_NOT_FOUND));
templ->Set(gin::StringToSymbol(isolate, "RESULT_ALREADY_EXISTS"),
gin::ConvertToV8(isolate, MOJO_RESULT_ALREADY_EXISTS));
templ->Set(gin::StringToSymbol(isolate, "RESULT_PERMISSION_DENIED"),
gin::ConvertToV8(isolate, MOJO_RESULT_PERMISSION_DENIED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_RESOURCE_EXHAUSTED"),
gin::ConvertToV8(isolate, MOJO_RESULT_RESOURCE_EXHAUSTED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_FAILED_PRECONDITION"),
gin::ConvertToV8(isolate, MOJO_RESULT_FAILED_PRECONDITION));
templ->Set(gin::StringToSymbol(isolate, "RESULT_ABORTED"),
gin::ConvertToV8(isolate, MOJO_RESULT_ABORTED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_OUT_OF_RANGE"),
gin::ConvertToV8(isolate, MOJO_RESULT_OUT_OF_RANGE));
templ->Set(gin::StringToSymbol(isolate, "RESULT_UNIMPLEMENTED"),
gin::ConvertToV8(isolate, MOJO_RESULT_UNIMPLEMENTED));
templ->Set(gin::StringToSymbol(isolate, "RESULT_INTERNAL"),
gin::ConvertToV8(isolate, MOJO_RESULT_INTERNAL));
templ->Set(gin::StringToSymbol(isolate, "RESULT_UNAVAILABLE"),
gin::ConvertToV8(isolate, MOJO_RESULT_UNAVAILABLE));
templ->Set(gin::StringToSymbol(isolate, "RESULT_DATA_LOSS"),
gin::ConvertToV8(isolate, MOJO_RESULT_DATA_LOSS));
templ->Set(gin::StringToSymbol(isolate, "DEADLINE_INDEFINITE"),
gin::ConvertToV8(isolate, MOJO_DEADLINE_INDEFINITE));
templ->Set(gin::StringToSymbol(isolate, "WAIT_FLAG_NONE"),
gin::ConvertToV8(isolate, MOJO_WAIT_FLAG_NONE));
templ->Set(gin::StringToSymbol(isolate, "WAIT_FLAG_READABLE"),
gin::ConvertToV8(isolate, MOJO_WAIT_FLAG_READABLE));
templ->Set(gin::StringToSymbol(isolate, "WAIT_FLAG_READABLE"),
gin::ConvertToV8(isolate, MOJO_WAIT_FLAG_READABLE));
templ->Set(gin::StringToSymbol(isolate, "WAIT_FLAG_EVERYTHING"),
gin::ConvertToV8(isolate, MOJO_WAIT_FLAG_EVERYTHING));
templ->Set(gin::StringToSymbol(isolate, "WRITE_MESSAGE_FLAG_NONE"),
gin::ConvertToV8(isolate, MOJO_WRITE_MESSAGE_FLAG_NONE));
templ->Set(gin::StringToSymbol(isolate, "READ_MESSAGE_FLAG_NONE"),
gin::ConvertToV8(isolate, MOJO_READ_MESSAGE_FLAG_NONE));
templ->Set(gin::StringToSymbol(isolate, "READ_MESSAGE_FLAG_MAY_DISCARD"),
gin::ConvertToV8(isolate, MOJO_READ_MESSAGE_FLAG_MAY_DISCARD));
data->SetObjectTemplate(&g_core_wrapper_info, templ);
}
return templ;
}
} // namespace js
} // namespace mojo
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