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// Copyright 2022 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/core/ipcz_api.h"
#include "base/check_op.h"
#include "mojo/core/ipcz_driver/driver.h"
#include "third_party/ipcz/include/ipcz/ipcz.h"
#include "third_party/ipcz/src/api.h"
namespace mojo::core {
namespace {
class IpczAPIInitializer {
public:
explicit IpczAPIInitializer(IpczAPI& api) {
IpczResult result = IpczGetAPI(&api);
CHECK_EQ(result, IPCZ_RESULT_OK);
}
};
IpczHandle g_node = IPCZ_INVALID_HANDLE;
IpczNodeOptions g_options = {/*.is_broker =*/ false,
/*.use_local_shared_memory_allocation =*/ false};
} // namespace
const IpczAPI& GetIpczAPI() {
static IpczAPI api = {sizeof(api)};
static IpczAPIInitializer initializer(api);
return api;
}
IpczHandle GetIpczNode() {
return g_node;
}
bool InitializeIpczNodeForProcess(const IpczNodeOptions& options) {
g_options = options;
IpczCreateNodeFlags flags =
options.is_broker ? IPCZ_CREATE_NODE_AS_BROKER : IPCZ_NO_FLAGS;
IpczResult result =
GetIpczAPI().CreateNode(&ipcz_driver::kDriver, IPCZ_INVALID_DRIVER_HANDLE,
flags, nullptr, &g_node);
return result == IPCZ_RESULT_OK;
}
void DestroyIpczNodeForProcess() {
CHECK(g_node);
GetIpczAPI().Close(g_node, IPCZ_NO_FLAGS, nullptr);
g_node = IPCZ_INVALID_HANDLE;
}
const IpczNodeOptions& GetIpczNodeOptions() {
return g_options;
}
} // namespace mojo::core
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