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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <sal/config.h>
#include <cstddef>
#include <map>
#include <mutex>
#include <vector>
#include <com/sun/star/bridge/XBridge.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <cppuhelper/implbase.hxx>
#include <osl/conditn.hxx>
#include <osl/mutex.hxx>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <uno/environment.hxx>
#include <uno/mapping.hxx>
#include <uno/threadpool.h>
#include "outgoingrequest.hxx"
#include "outgoingrequests.hxx"
#include "writer.hxx"
namespace binaryurp {
class BinaryAny;
class BridgeFactory;
class Proxy;
class Reader;
}
namespace com::sun::star {
namespace bridge { class XInstanceProvider; }
namespace connection { class XConnection; }
namespace lang { class XEventListener; }
namespace uno {
class Any;
class TypeDescription;
class UnoInterfaceReference;
class XInterface;
}
}
namespace rtl { class ByteSequence; }
namespace binaryurp {
class Bridge:
public cppu::WeakImplHelper<
com::sun::star::bridge::XBridge, com::sun::star::lang::XComponent >
{
public:
Bridge(
rtl::Reference< BridgeFactory > const & factory,
OUString name,
com::sun::star::uno::Reference<
com::sun::star::connection::XConnection > const & connection,
com::sun::star::uno::Reference<
com::sun::star::bridge::XInstanceProvider > provider);
void start();
// Internally waits for all incoming and outgoing remote calls to terminate,
// so must not be called from within such a call; when final is true, also
// joins all remaining threads (reader, writer, and worker threads from the
// thread pool), so must not be called with final set to true from such a
// thread:
void terminate(bool final);
const com::sun::star::uno::Reference< com::sun::star::connection::XConnection >&
getConnection() const { return connection_;}
const com::sun::star::uno::Reference< com::sun::star::bridge::XInstanceProvider >&
getProvider() const { return provider_;}
com::sun::star::uno::Mapping & getCppToBinaryMapping() { return cppToBinaryMapping_;}
BinaryAny mapCppToBinaryAny(com::sun::star::uno::Any const & cppAny);
uno_ThreadPool getThreadPool();
rtl::Reference< Writer > getWriter();
com::sun::star::uno::UnoInterfaceReference registerIncomingInterface(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
OUString registerOutgoingInterface(
com::sun::star::uno::UnoInterfaceReference const & object,
com::sun::star::uno::TypeDescription const & type);
com::sun::star::uno::UnoInterfaceReference findStub(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void releaseStub(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void resurrectProxy(Proxy & proxy);
void revokeProxy(Proxy & proxy);
void freeProxy(Proxy & proxy);
void incrementCalls(bool normalCall) noexcept;
void decrementCalls();
void incrementActiveCalls() noexcept;
void decrementActiveCalls() noexcept;
bool makeCall(
OUString const & oid,
com::sun::star::uno::TypeDescription const & member, bool setter,
std::vector< BinaryAny >&& inArguments, BinaryAny * returnValue,
std::vector< BinaryAny > * outArguments);
// Only called from reader_ thread:
void sendRequestChangeRequest();
// Only called from reader_ thread:
void handleRequestChangeReply(
bool exception, BinaryAny const & returnValue);
// Only called from reader_ thread:
void handleCommitChangeReply(bool exception, BinaryAny const & returnValue);
// Only called from reader_ thread:
void handleRequestChangeRequest(
rtl::ByteSequence const & tid,
std::vector< BinaryAny > const & inArguments);
// Only called from reader_ thread:
void handleCommitChangeRequest(
rtl::ByteSequence const & tid,
std::vector< BinaryAny > const & inArguments);
OutgoingRequest lastOutgoingRequest(rtl::ByteSequence const & tid);
bool isProtocolPropertiesRequest(
std::u16string_view oid,
com::sun::star::uno::TypeDescription const & type) const;
void setCurrentContextMode();
bool isCurrentContextMode();
private:
Bridge(const Bridge&) = delete;
Bridge& operator=(const Bridge&) = delete;
virtual ~Bridge() override;
virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface >
SAL_CALL getInstance(OUString const & sInstanceName) override;
virtual OUString SAL_CALL getName() override;
virtual OUString SAL_CALL getDescription() override;
virtual void SAL_CALL dispose() override;
virtual void SAL_CALL addEventListener(
com::sun::star::uno::Reference< com::sun::star::lang::XEventListener >
const & xListener) override;
virtual void SAL_CALL removeEventListener(
com::sun::star::uno::Reference< com::sun::star::lang::XEventListener >
const & aListener) override;
// Only called from reader_ thread:
void sendCommitChangeRequest();
// Only called from reader_ thread:
void sendProtPropRequest(
OutgoingRequest::Kind kind,
std::vector< BinaryAny > const & inArguments);
void makeReleaseCall(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void sendRequest(
rtl::ByteSequence const & tid, OUString const & oid,
com::sun::star::uno::TypeDescription const & type,
com::sun::star::uno::TypeDescription const & member,
std::vector< BinaryAny >&& inArguments);
void throwException(bool exception, BinaryAny const & value);
com::sun::star::uno::Any mapBinaryToCppAny(BinaryAny const & binaryAny);
bool becameUnused() const;
void terminateWhenUnused(bool unused);
// Must only be called with mutex_ locked:
void checkDisposed();
typedef
std::vector<
com::sun::star::uno::Reference<
com::sun::star::lang::XEventListener > >
Listeners;
struct SubStub;
typedef std::map< com::sun::star::uno::TypeDescription, SubStub > Stub;
typedef std::map< OUString, Stub > Stubs;
enum State { STATE_INITIAL, STATE_STARTED, STATE_TERMINATED, STATE_FINAL };
enum Mode {
MODE_REQUESTED, MODE_REPLY_MINUS1, MODE_REPLY_0, MODE_REPLY_1,
MODE_WAIT, MODE_NORMAL, MODE_NORMAL_WAIT };
rtl::Reference< BridgeFactory > factory_;
OUString name_;
com::sun::star::uno::Reference< com::sun::star::connection::XConnection >
connection_;
com::sun::star::uno::Reference< com::sun::star::bridge::XInstanceProvider >
provider_;
com::sun::star::uno::Environment binaryUno_;
com::sun::star::uno::Mapping cppToBinaryMapping_;
com::sun::star::uno::Mapping binaryToCppMapping_;
rtl::ByteSequence protPropTid_;
OUString protPropOid_;
com::sun::star::uno::TypeDescription protPropType_;
com::sun::star::uno::TypeDescription protPropRequest_;
com::sun::star::uno::TypeDescription protPropCommit_;
OutgoingRequests outgoingRequests_;
osl::Condition passive_;
// to guarantee that passive_ is eventually set (to avoid deadlock, see
// dispose), activeCalls_ only counts those calls for which it can be
// guaranteed that incrementActiveCalls is indeed followed by
// decrementActiveCalls, without an intervening exception
osl::Condition terminated_;
std::mutex mutex_;
State state_;
Listeners listeners_;
uno_ThreadPool threadPool_;
rtl::Reference< Writer > writer_;
rtl::Reference< Reader > reader_;
bool currentContextMode_;
Stubs stubs_;
std::size_t proxies_;
std::size_t calls_;
bool normalCall_;
std::size_t activeCalls_;
// Only accessed from reader_ thread:
Mode mode_;
sal_Int32 random_;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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