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// Copyright 2014 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/edk/embedder/embedder.h"
#include <stdint.h>
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/strings/string_number_conversions.h"
#include "base/task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "crypto/random.h"
#include "mojo/edk/embedder/embedder_internal.h"
#include "mojo/edk/embedder/platform_channel_pair.h"
#include "mojo/edk/embedder/process_delegate.h"
#include "mojo/edk/system/core.h"
namespace mojo {
namespace edk {
class Core;
class PlatformSupport;
namespace internal {
Core* g_core;
ProcessDelegate* g_process_delegate;
Core* GetCore() { return g_core; }
} // namespace internal
void SetMaxMessageSize(size_t bytes) {
}
ScopedPlatformHandle ChildProcessLaunched(base::ProcessHandle child_process) {
PlatformChannelPair channel;
ChildProcessLaunched(child_process, channel.PassServerHandle());
return channel.PassClientHandle();
}
void ChildProcessLaunched(base::ProcessHandle child_process,
ScopedPlatformHandle server_pipe) {
CHECK(internal::g_core);
internal::g_core->AddChild(child_process, std::move(server_pipe));
}
void SetParentPipeHandle(ScopedPlatformHandle pipe) {
CHECK(internal::g_core);
internal::g_core->InitChild(std::move(pipe));
}
void SetParentPipeHandleFromCommandLine() {
ScopedPlatformHandle platform_channel =
PlatformChannelPair::PassClientHandleFromParentProcess(
*base::CommandLine::ForCurrentProcess());
CHECK(platform_channel.is_valid());
SetParentPipeHandle(std::move(platform_channel));
}
void Init() {
internal::g_core = new Core();
}
MojoResult AsyncWait(MojoHandle handle,
MojoHandleSignals signals,
const base::Callback<void(MojoResult)>& callback) {
CHECK(internal::g_core);
return internal::g_core->AsyncWait(handle, signals, callback);
}
MojoResult CreatePlatformHandleWrapper(
ScopedPlatformHandle platform_handle,
MojoHandle* platform_handle_wrapper_handle) {
return internal::g_core->CreatePlatformHandleWrapper(
std::move(platform_handle), platform_handle_wrapper_handle);
}
MojoResult PassWrappedPlatformHandle(MojoHandle platform_handle_wrapper_handle,
ScopedPlatformHandle* platform_handle) {
return internal::g_core->PassWrappedPlatformHandle(
platform_handle_wrapper_handle, platform_handle);
}
MojoResult CreateSharedBufferWrapper(
base::SharedMemoryHandle shared_memory_handle,
size_t num_bytes,
bool read_only,
MojoHandle* mojo_wrapper_handle) {
return internal::g_core->CreateSharedBufferWrapper(
shared_memory_handle, num_bytes, read_only, mojo_wrapper_handle);
}
MojoResult PassSharedMemoryHandle(
MojoHandle mojo_handle,
base::SharedMemoryHandle* shared_memory_handle,
size_t* num_bytes,
bool* read_only) {
return internal::g_core->PassSharedMemoryHandle(
mojo_handle, shared_memory_handle, num_bytes, read_only);
}
void InitIPCSupport(ProcessDelegate* process_delegate,
scoped_refptr<base::TaskRunner> io_thread_task_runner) {
CHECK(internal::g_core);
internal::g_core->SetIOTaskRunner(io_thread_task_runner);
internal::g_process_delegate = process_delegate;
}
void ShutdownIPCSupport() {
CHECK(internal::g_process_delegate);
CHECK(internal::g_core);
internal::g_core->RequestShutdown(
base::Bind(&ProcessDelegate::OnShutdownComplete,
base::Unretained(internal::g_process_delegate)));
}
ScopedMessagePipeHandle CreateMessagePipe(
ScopedPlatformHandle platform_handle) {
CHECK(internal::g_process_delegate);
return internal::g_core->CreateMessagePipe(std::move(platform_handle));
}
ScopedMessagePipeHandle CreateParentMessagePipe(const std::string& token) {
CHECK(internal::g_process_delegate);
return internal::g_core->CreateParentMessagePipe(token);
}
ScopedMessagePipeHandle CreateChildMessagePipe(const std::string& token) {
CHECK(internal::g_process_delegate);
return internal::g_core->CreateChildMessagePipe(token);
}
std::string GenerateRandomToken() {
char random_bytes[16];
crypto::RandBytes(random_bytes, 16);
return base::HexEncode(random_bytes, 16);
}
} // namespace edk
} // namespace mojo
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