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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_APPLE_MACH_PORT_RENDEZVOUS_IOS_H_
#define BASE_APPLE_MACH_PORT_RENDEZVOUS_IOS_H_
#include <dispatch/dispatch.h>
#include <mach/mach.h>
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/apple/dispatch_source.h"
#include "base/apple/mach_port_rendezvous.h"
#include "base/apple/scoped_mach_port.h"
#include "base/base_export.h"
#include "base/containers/buffer_iterator.h"
namespace base {
// An implementation class that works for a single process. It is intended
// that each process spawned will create a corresponding instance and the
// mach send right of this server will be sent using XPC to the process.
class BASE_EXPORT MachPortRendezvousServerIOS final
: public MachPortRendezvousServerBase {
public:
MachPortRendezvousServerIOS(const MachPortsForRendezvous& ports);
~MachPortRendezvousServerIOS() override;
MachPortRendezvousServerIOS(const MachPortRendezvousServerIOS&) = delete;
MachPortRendezvousServerIOS& operator=(const MachPortRendezvousServerIOS&) =
delete;
// Retrieve the send right to be sent to the process.
apple::ScopedMachSendRight GetMachSendRight();
protected:
std::optional<MachPortsForRendezvous> PortsForClient(audit_token_t) override;
bool IsValidAdditionalMessageId(mach_msg_id_t) const override;
std::vector<uint8_t> AdditionalDataForReply(mach_msg_id_t) const override;
private:
apple::ScopedMachSendRight send_right_;
MachPortsForRendezvous ports_;
};
class BASE_EXPORT MachPortRendezvousClientIOS final
: public MachPortRendezvousClient {
public:
// Initialize the MacPortRendezvousClient using `server_port`.
static bool Initialize(apple::ScopedMachSendRight server_port);
protected:
bool ValidateMessage(mach_msg_base_t* message,
BufferIterator<uint8_t> body) override;
private:
MachPortRendezvousClientIOS();
~MachPortRendezvousClientIOS() override;
// Helper method to look up the server in the bootstrap namespace and send
// the acquisition request message.
bool AcquirePorts(apple::ScopedMachSendRight server_port);
};
} // namespace base
#endif // BASE_APPLE_MACH_PORT_RENDEZVOUS_IOS_H_
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