office-gobmx/binaryurp/source/bridge.cxx
2011-11-30 11:27:42 +09:00

988 lines
31 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2011 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "sal/config.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <limits>
#include <memory>
#include <vector>
#include "boost/noncopyable.hpp"
#include "com/sun/star/bridge/InvalidProtocolChangeException.hpp"
#include "com/sun/star/bridge/XBridge.hpp"
#include "com/sun/star/bridge/XInstanceProvider.hpp"
#include "com/sun/star/bridge/XProtocolProperties.hpp"
#include "com/sun/star/connection/XConnection.hpp"
#include "com/sun/star/io/IOException.hpp"
#include "com/sun/star/lang/DisposedException.hpp"
#include "com/sun/star/lang/EventObject.hpp"
#include "com/sun/star/lang/XEventListener.hpp"
#include "com/sun/star/uno/Reference.hxx"
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "com/sun/star/uno/XInterface.hpp"
#include "cppuhelper/exc_hlp.hxx"
#include "cppuhelper/weak.hxx"
#include "osl/mutex.hxx"
#include "osl/thread.hxx"
#include "rtl/byteseq.hxx"
#include "rtl/oustringostreaminserter.hxx"
#include "rtl/random.h"
#include "rtl/ref.hxx"
#include "rtl/ustrbuf.hxx"
#include "rtl/ustring.h"
#include "rtl/ustring.hxx"
#include "sal/log.hxx"
#include "sal/types.h"
#include "typelib/typeclass.h"
#include "typelib/typedescription.h"
#include "typelib/typedescription.hxx"
#include "uno/dispatcher.hxx"
#include "uno/environment.hxx"
#include "uno/lbnames.h"
#include "binaryany.hxx"
#include "bridge.hxx"
#include "bridgefactory.hxx"
#include "incomingreply.hxx"
#include "lessoperators.hxx"
#include "outgoingrequest.hxx"
#include "outgoingrequests.hxx"
#include "proxy.hxx"
#include "reader.hxx"
namespace binaryurp {
namespace {
namespace css = com::sun::star;
sal_Int32 random() {
sal_Int32 n;
rtlRandomPool pool = rtl_random_createPool();
rtl_random_getBytes(pool, &n, sizeof n);
rtl_random_destroyPool(pool);
return n;
}
rtl::OUString toString(css::uno::TypeDescription const & type) {
typelib_TypeDescription * d = type.get();
assert(d != 0 && d->pTypeName != 0);
return rtl::OUString(d->pTypeName);
}
extern "C" void SAL_CALL freeProxyCallback(uno_ExtEnvironment *, void * pProxy)
{
assert(pProxy != 0);
static_cast< Proxy * >(pProxy)->do_free();
}
void joinThread(osl::Thread * thread) {
assert(thread != 0);
if (thread->getIdentifier() != osl::Thread::getCurrentIdentifier()) {
thread->join();
}
}
class AttachThread: private boost::noncopyable {
public:
explicit AttachThread(uno_ThreadPool threadPool);
~AttachThread();
rtl::ByteSequence getTid() throw ();
private:
uno_ThreadPool threadPool_;
rtl::ByteSequence tid_;
};
AttachThread::AttachThread(uno_ThreadPool threadPool): threadPool_(threadPool) {
sal_Sequence * s = 0;
uno_getIdOfCurrentThread(&s);
tid_ = rtl::ByteSequence(s, rtl::BYTESEQ_NOACQUIRE);
uno_threadpool_attach(threadPool_);
}
AttachThread::~AttachThread() {
uno_threadpool_detach(threadPool_);
uno_releaseIdFromCurrentThread();
}
rtl::ByteSequence AttachThread::getTid() throw () {
return tid_;
}
class PopOutgoingRequest: private boost::noncopyable {
public:
PopOutgoingRequest(
OutgoingRequests & requests, rtl::ByteSequence const & tid,
OutgoingRequest const & request);
~PopOutgoingRequest();
void clear();
private:
OutgoingRequests & requests_;
rtl::ByteSequence tid_;
bool cleared_;
};
PopOutgoingRequest::PopOutgoingRequest(
OutgoingRequests & requests, rtl::ByteSequence const & tid,
OutgoingRequest const & request):
requests_(requests), tid_(tid), cleared_(false)
{
requests_.push(tid_, request);
}
PopOutgoingRequest::~PopOutgoingRequest() {
if (!cleared_) {
requests_.pop(tid_);
}
}
void PopOutgoingRequest::clear() {
cleared_ = true;
}
}
struct Bridge::SubStub {
com::sun::star::uno::UnoInterfaceReference object;
sal_uInt32 references;
};
Bridge::Bridge(
rtl::Reference< BridgeFactory > const & factory, rtl::OUString const & name,
css::uno::Reference< css::connection::XConnection > const & connection,
css::uno::Reference< css::bridge::XInstanceProvider > const & provider):
factory_(factory), name_(name), connection_(connection),
provider_(provider),
binaryUno_(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(UNO_LB_UNO))),
cppToBinaryMapping_(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME)),
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(UNO_LB_UNO))),
binaryToCppMapping_(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(UNO_LB_UNO)),
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME))),
protPropTid_(
reinterpret_cast< sal_Int8 const * >(".UrpProtocolPropertiesTid"),
RTL_CONSTASCII_LENGTH(".UrpProtocolPropertiesTid")),
protPropOid_(RTL_CONSTASCII_USTRINGPARAM("UrpProtocolProperties")),
protPropType_(
cppu::UnoType<
css::uno::Reference< css::bridge::XProtocolProperties > >::get()),
protPropRequest_(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.bridge.XProtocolProperties::requestChange"))),
protPropCommit_(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.bridge.XProtocolProperties::commitChange"))),
threadPool_(0), currentContextMode_(false), proxies_(0), calls_(0),
normalCall_(false), activeCalls_(0), terminated_(false),
mode_(MODE_REQUESTED)
{
assert(factory.is() && connection.is());
if (!binaryUno_.is()) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("URP: no binary UNO environment")),
css::uno::Reference< css::uno::XInterface >());
}
if (!(cppToBinaryMapping_.is() && binaryToCppMapping_.is())) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("URP: no C++ UNO mapping")),
css::uno::Reference< css::uno::XInterface >());
}
passive_.set();
}
void Bridge::start() {
assert(threadPool_ == 0 && !writer_.is() && !reader_.is());
threadPool_ = uno_threadpool_create();
assert(threadPool_ != 0);
writer_.set(new Writer(this));
writer_->create();
reader_.set(new Reader(this));
reader_->create();
}
void Bridge::terminate() {
rtl::Reference< Reader > r;
rtl::Reference< Writer > w;
Listeners ls;
{
osl::MutexGuard g(mutex_);
if (terminated_) {
return;
}
std::swap(reader_, r);
std::swap(writer_, w);
ls.swap(listeners_);
terminated_ = true;
}
try {
connection_->close();
} catch (const css::io::IOException & e) {
SAL_INFO("binaryurp", "caught IO exception '" << e.Message << '\'');
}
assert(w.is());
w->stop();
joinThread(r.get());
joinThread(w.get());
assert(threadPool_ != 0);
uno_threadpool_dispose(threadPool_);
Stubs s;
{
osl::MutexGuard g(mutex_);
s.swap(stubs_);
}
for (Stubs::iterator i(s.begin()); i != s.end(); ++i) {
for (Stub::iterator j(i->second.begin()); j != i->second.end(); ++j) {
SAL_INFO(
"binaryurp",
"stub '" << i->first << "', '" << toString(j->first)
<< "' still mapped at Bridge::terminate");
binaryUno_.get()->pExtEnv->revokeInterface(
binaryUno_.get()->pExtEnv, j->second.object.get());
}
}
factory_->removeBridge(this);
for (Listeners::iterator i(ls.begin()); i != ls.end(); ++i) {
try {
(*i)->disposing(
css::lang::EventObject(
static_cast< cppu::OWeakObject * >(this)));
} catch (const css::uno::RuntimeException & e) {
SAL_WARN(
"binaryurp", "caught runtime exception '" << e.Message << '\'');
}
}
}
css::uno::Reference< css::connection::XConnection > Bridge::getConnection()
const
{
return connection_;
}
css::uno::Reference< css::bridge::XInstanceProvider > Bridge::getProvider()
const
{
return provider_;
}
css::uno::Mapping & Bridge::getCppToBinaryMapping() {
return cppToBinaryMapping_;
}
BinaryAny Bridge::mapCppToBinaryAny(css::uno::Any const & cppAny) {
css::uno::Any in(cppAny);
BinaryAny out;
out.~BinaryAny();
uno_copyAndConvertData(
out.get(), &in,
css::uno::TypeDescription(cppu::UnoType< css::uno::Any >::get()).get(),
cppToBinaryMapping_.get());
return out;
}
uno_ThreadPool Bridge::getThreadPool() const {
assert(threadPool_ != 0);
return threadPool_;
}
rtl::Reference< Writer > Bridge::getWriter() {
osl::MutexGuard g(mutex_);
if (terminated_) {
throw css::lang::DisposedException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"Binary URP bridge already disposed")),
static_cast< cppu::OWeakObject * >(this));
}
assert(writer_.is());
return writer_;
}
css::uno::UnoInterfaceReference Bridge::registerIncomingInterface(
rtl::OUString const & oid, css::uno::TypeDescription const & type)
{
assert(type.is());
if (oid.getLength() == 0) {
return css::uno::UnoInterfaceReference();
}
css::uno::UnoInterfaceReference obj(findStub(oid, type));
if (!obj.is()) {
binaryUno_.get()->pExtEnv->getRegisteredInterface(
binaryUno_.get()->pExtEnv,
reinterpret_cast< void ** >(&obj.m_pUnoI), oid.pData,
reinterpret_cast< typelib_InterfaceTypeDescription * >(type.get()));
if (obj.is()) {
makeReleaseCall(oid, type);
} else {
obj.set(new Proxy(this, oid, type), SAL_NO_ACQUIRE);
{
osl::MutexGuard g(mutex_);
assert(proxies_ < std::numeric_limits< std::size_t >::max());
++proxies_;
}
binaryUno_.get()->pExtEnv->registerProxyInterface(
binaryUno_.get()->pExtEnv,
reinterpret_cast< void ** >(&obj.m_pUnoI), &freeProxyCallback,
oid.pData,
reinterpret_cast< typelib_InterfaceTypeDescription * >(
type.get()));
}
}
return obj;
}
rtl::OUString Bridge::registerOutgoingInterface(
css::uno::UnoInterfaceReference const & object,
css::uno::TypeDescription const & type)
{
assert(type.is());
if (!object.is()) {
return rtl::OUString();
}
rtl::OUString oid;
if (!Proxy::isProxy(this, object, &oid)) {
binaryUno_.get()->pExtEnv->getObjectIdentifier(
binaryUno_.get()->pExtEnv, &oid.pData, object.get());
osl::MutexGuard g(mutex_);
Stubs::iterator i(stubs_.find(oid));
Stub newStub;
Stub * stub = i == stubs_.end() ? &newStub : &i->second;
Stub::iterator j(stub->find(type));
//TODO: Release sub-stub if it is not successfully sent to remote side
// (otherwise, stub will leak until terminate()):
if (j == stub->end()) {
j = stub->insert(Stub::value_type(type, SubStub())).first;
if (stub == &newStub) {
i = stubs_.insert(Stubs::value_type(oid, Stub())).first;
std::swap(i->second, newStub);
j = i->second.find(type);
assert(j != i->second.end());
}
j->second.object = object;
j->second.references = 1;
binaryUno_.get()->pExtEnv->registerInterface(
binaryUno_.get()->pExtEnv,
reinterpret_cast< void ** >(&j->second.object.m_pUnoI),
oid.pData,
reinterpret_cast< typelib_InterfaceTypeDescription * >(
type.get()));
} else {
assert(stub != &newStub);
if (j->second.references == SAL_MAX_UINT32) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"URP: stub reference count overflow")),
css::uno::Reference< css::uno::XInterface >());
}
++j->second.references;
}
}
return oid;
}
css::uno::UnoInterfaceReference Bridge::findStub(
rtl::OUString const & oid, css::uno::TypeDescription const & type)
{
assert(oid.getLength() != 0 && type.is());
osl::MutexGuard g(mutex_);
Stubs::iterator i(stubs_.find(oid));
if (i != stubs_.end()) {
Stub::iterator j(i->second.find(type));
if (j != i->second.end()) {
return j->second.object;
}
for (j = i->second.begin(); j != i->second.end(); ++j) {
if (typelib_typedescription_isAssignableFrom(
type.get(), j->first.get()))
{
return j->second.object;
}
}
}
return css::uno::UnoInterfaceReference();
}
void Bridge::releaseStub(
rtl::OUString const & oid, css::uno::TypeDescription const & type)
{
assert(oid.getLength() != 0 && type.is());
css::uno::UnoInterfaceReference obj;
bool unused;
{
osl::MutexGuard g(mutex_);
Stubs::iterator i(stubs_.find(oid));
if (i == stubs_.end()) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("URP: release unknown stub")),
css::uno::Reference< css::uno::XInterface >());
}
Stub::iterator j(i->second.find(type));
if (j == i->second.end()) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("URP: release unknown stub")),
css::uno::Reference< css::uno::XInterface >());
}
assert(j->second.references > 0);
--j->second.references;
if (j->second.references == 0) {
obj = j->second.object;
i->second.erase(j);
if (i->second.empty()) {
stubs_.erase(i);
}
}
unused = becameUnused();
}
if (obj.is()) {
binaryUno_.get()->pExtEnv->revokeInterface(
binaryUno_.get()->pExtEnv, obj.get());
}
terminateWhenUnused(unused);
}
void Bridge::resurrectProxy(Proxy & proxy) {
uno_Interface * p = &proxy;
binaryUno_.get()->pExtEnv->registerProxyInterface(
binaryUno_.get()->pExtEnv,
reinterpret_cast< void ** >(&p), &freeProxyCallback,
proxy.getOid().pData,
reinterpret_cast< typelib_InterfaceTypeDescription * >(
proxy.getType().get()));
assert(p == &proxy);
}
void Bridge::revokeProxy(Proxy & proxy) {
binaryUno_.get()->pExtEnv->revokeInterface(
binaryUno_.get()->pExtEnv, &proxy);
}
void Bridge::freeProxy(Proxy & proxy) {
try {
makeReleaseCall(proxy.getOid(), proxy.getType());
} catch (const css::uno::RuntimeException & e) {
SAL_INFO(
"binaryurp", "caught runtime exception '" << e.Message << '\'');
} catch (const std::exception & e) {
SAL_WARN("binaryurp", "caught C++ exception '" << e.what() << '\'');
}
bool unused;
{
osl::MutexGuard g(mutex_);
assert(proxies_ > 0);
--proxies_;
unused = becameUnused();
}
terminateWhenUnused(unused);
}
void Bridge::incrementCalls(bool normalCall) throw () {
osl::MutexGuard g(mutex_);
assert(calls_ < std::numeric_limits< std::size_t >::max());
++calls_;
normalCall_ |= normalCall;
}
void Bridge::decrementCalls() {
bool unused;
{
osl::MutexGuard g(mutex_);
assert(calls_ > 0);
--calls_;
unused = becameUnused();
}
terminateWhenUnused(unused);
}
void Bridge::incrementActiveCalls() throw () {
osl::MutexGuard g(mutex_);
assert(
activeCalls_ <= calls_ &&
activeCalls_ < std::numeric_limits< std::size_t >::max());
++activeCalls_;
passive_.reset();
}
void Bridge::decrementActiveCalls() throw () {
osl::MutexGuard g(mutex_);
assert(activeCalls_ <= calls_ && activeCalls_ > 0);
--activeCalls_;
if (activeCalls_ == 0) {
passive_.set();
}
}
bool Bridge::makeCall(
rtl::OUString const & oid, css::uno::TypeDescription const & member,
bool setter, std::vector< BinaryAny > const & inArguments,
BinaryAny * returnValue, std::vector< BinaryAny > * outArguments)
{
std::auto_ptr< IncomingReply > resp;
{
AttachThread att(threadPool_);
PopOutgoingRequest pop(
outgoingRequests_, att.getTid(),
OutgoingRequest(OutgoingRequest::KIND_NORMAL, member, setter));
sendRequest(
att.getTid(), oid, css::uno::TypeDescription(), member,
inArguments);
pop.clear();
incrementCalls(true);
incrementActiveCalls();
void * job;
uno_threadpool_enter(threadPool_, &job);
resp.reset(static_cast< IncomingReply * >(job));
decrementActiveCalls();
decrementCalls();
}
if (resp.get() == 0) {
throw css::lang::DisposedException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"Binary URP bridge disposed during call")),
static_cast< cppu::OWeakObject * >(this));
}
*returnValue = resp->returnValue;
if (!resp->exception) {
*outArguments = resp->outArguments;
}
return resp->exception;
}
void Bridge::sendRequestChangeRequest() {
assert(mode_ == MODE_REQUESTED);
random_ = random();
std::vector< BinaryAny > a;
a.push_back(
BinaryAny(
css::uno::TypeDescription(cppu::UnoType< sal_Int32 >::get()),
&random_));
sendProtPropRequest(OutgoingRequest::KIND_REQUEST_CHANGE, a);
}
void Bridge::handleRequestChangeReply(
bool exception, BinaryAny const & returnValue)
{
throwException(exception, returnValue);
sal_Int32 n = *static_cast< sal_Int32 * >(
returnValue.getValue(
css::uno::TypeDescription(cppu::UnoType< sal_Int32 >::get())));
sal_Int32 exp = 0;
switch (mode_) {
case MODE_REQUESTED:
case MODE_REPLY_1:
exp = 1;
break;
case MODE_REPLY_MINUS1:
exp = -1;
mode_ = MODE_REQUESTED;
break;
case MODE_REPLY_0:
exp = 0;
mode_ = MODE_WAIT;
break;
default:
assert(false); // this cannot happen
break;
}
if (n != exp) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"URP: requestChange reply with unexpected return value"
" received")),
static_cast< cppu::OWeakObject * >(this));
}
decrementCalls();
switch (exp) {
case -1:
sendRequestChangeRequest();
break;
case 0:
break;
case 1:
sendCommitChangeRequest();
break;
default:
assert(false); // this cannot happen
break;
}
}
void Bridge::handleCommitChangeReply(
bool exception, BinaryAny const & returnValue)
{
bool ccMode = true;
try {
throwException(exception, returnValue);
} catch (const css::bridge::InvalidProtocolChangeException &) {
ccMode = false;
}
if (ccMode) {
setCurrentContextMode();
}
assert(mode_ == MODE_REQUESTED || mode_ == MODE_REPLY_1);
mode_ = MODE_NORMAL;
getWriter()->unblock();
decrementCalls();
}
void Bridge::handleRequestChangeRequest(
rtl::ByteSequence const & tid, std::vector< BinaryAny > const & inArguments)
{
assert(inArguments.size() == 1);
switch (mode_) {
case MODE_REQUESTED:
{
sal_Int32 n2 = *static_cast< sal_Int32 * >(
inArguments[0].getValue(
css::uno::TypeDescription(
cppu::UnoType< sal_Int32 >::get())));
sal_Int32 ret;
if (n2 > random_) {
ret = 1;
mode_ = MODE_REPLY_0;
} else if (n2 == random_) {
ret = -1;
mode_ = MODE_REPLY_MINUS1;
} else {
ret = 0;
mode_ = MODE_REPLY_1;
}
getWriter()->sendDirectReply(
tid, protPropRequest_, false,
BinaryAny(
css::uno::TypeDescription(
cppu::UnoType< sal_Int32 >::get()),
&ret),
std::vector< BinaryAny >());
break;
}
case MODE_NORMAL:
{
mode_ = MODE_NORMAL_WAIT;
sal_Int32 ret = 1;
getWriter()->queueReply(
tid, protPropRequest_, false, false,
BinaryAny(
css::uno::TypeDescription(
cppu::UnoType< sal_Int32 >::get()),
&ret),
std::vector< BinaryAny >(), false);
break;
}
default:
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"URP: unexpected requestChange request received")),
static_cast< cppu::OWeakObject * >(this));
}
}
void Bridge::handleCommitChangeRequest(
rtl::ByteSequence const & tid, std::vector< BinaryAny > const & inArguments)
{
bool ccMode = false;
bool exc = false;
BinaryAny ret;
assert(inArguments.size() == 1);
css::uno::Sequence< css::bridge::ProtocolProperty > s;
bool ok = (mapBinaryToCppAny(inArguments[0]) >>= s);
assert(ok);
(void) ok; // avoid warnings
for (sal_Int32 i = 0; i != s.getLength(); ++i) {
if (s[i].Name.equalsAsciiL(
RTL_CONSTASCII_STRINGPARAM("CurrentContext")))
{
ccMode = true;
} else {
ccMode = false;
exc = true;
ret = mapCppToBinaryAny(
css::uno::makeAny(
css::bridge::InvalidProtocolChangeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"InvalidProtocolChangeException")),
css::uno::Reference< css::uno::XInterface >(), s[i],
1)));
break;
}
}
switch (mode_) {
case MODE_WAIT:
getWriter()->sendDirectReply(
tid, protPropCommit_, exc, ret, std::vector< BinaryAny >());
if (ccMode) {
setCurrentContextMode();
mode_ = MODE_NORMAL;
getWriter()->unblock();
} else {
mode_ = MODE_REQUESTED;
sendRequestChangeRequest();
}
break;
case MODE_NORMAL_WAIT:
getWriter()->queueReply(
tid, protPropCommit_, false, false, ret, std::vector< BinaryAny >(),
ccMode);
mode_ = MODE_NORMAL;
break;
default:
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"URP: unexpected commitChange request received")),
static_cast< cppu::OWeakObject * >(this));
}
}
OutgoingRequest Bridge::lastOutgoingRequest(rtl::ByteSequence const & tid) {
OutgoingRequest req(outgoingRequests_.top(tid));
outgoingRequests_.pop(tid);
return req;
}
bool Bridge::isProtocolPropertiesRequest(
rtl::OUString const & oid, css::uno::TypeDescription const & type) const
{
return oid == protPropOid_ && type.equals(protPropType_);
}
void Bridge::setCurrentContextMode() {
osl::MutexGuard g(mutex_);
currentContextMode_ = true;
}
bool Bridge::isCurrentContextMode() {
osl::MutexGuard g(mutex_);
return currentContextMode_;
}
Bridge::~Bridge() {
if (threadPool_ != 0) {
uno_threadpool_destroy(threadPool_);
}
}
css::uno::Reference< css::uno::XInterface > Bridge::getInstance(
rtl::OUString const & sInstanceName) throw (css::uno::RuntimeException)
{
if (sInstanceName.getLength() == 0) {
throw css::uno::RuntimeException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"XBridge::getInstance sInstanceName must be non-empty")),
static_cast< cppu::OWeakObject * >(this));
}
for (sal_Int32 i = 0; i != sInstanceName.getLength(); ++i) {
if (sInstanceName[i] > 0x7F) {
throw css::io::IOException(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"XBridge::getInstance sInstanceName contains non-ASCII"
" character")),
css::uno::Reference< css::uno::XInterface >());
}
}
css::uno::TypeDescription ifc(
cppu::UnoType< css::uno::Reference< css::uno::XInterface > >::get());
typelib_TypeDescription * p = ifc.get();
std::vector< BinaryAny > inArgs;
inArgs.push_back(
BinaryAny(
css::uno::TypeDescription(cppu::UnoType< css::uno::Type >::get()),
&p));
BinaryAny ret;
std::vector< BinaryAny> outArgs;
bool exc = makeCall(
sInstanceName,
css::uno::TypeDescription(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.uno.XInterface::queryInterface"))),
false, inArgs, &ret, &outArgs);
throwException(exc, ret);
return css::uno::Reference< css::uno::XInterface >(
static_cast< css::uno::XInterface * >(
binaryToCppMapping_.mapInterface(
*static_cast< uno_Interface ** >(ret.getValue(ifc)),
ifc.get())),
css::uno::UNO_REF_NO_ACQUIRE);
}
rtl::OUString Bridge::getName() throw (css::uno::RuntimeException) {
return name_;
}
rtl::OUString Bridge::getDescription() throw (css::uno::RuntimeException) {
rtl::OUStringBuffer b(name_);
b.append(sal_Unicode(':'));
b.append(connection_->getDescription());
return b.makeStringAndClear();
}
void Bridge::dispose() throw (css::uno::RuntimeException) {
terminate();
// OOo expects dispose to not return while there are still remote calls in
// progress; an external protocol must ensure that dispose is not called
// from within an incoming or outgoing remote call, as passive_.wait() would
// otherwise deadlock:
passive_.wait();
}
void Bridge::addEventListener(
css::uno::Reference< css::lang::XEventListener > const & xListener)
throw (css::uno::RuntimeException)
{
assert(xListener.is());
{
osl::MutexGuard g(mutex_);
if (!terminated_) {
listeners_.push_back(xListener);
return;
}
}
xListener->disposing(
css::lang::EventObject(static_cast< cppu::OWeakObject * >(this)));
}
void Bridge::removeEventListener(
css::uno::Reference< css::lang::XEventListener > const & aListener)
throw (css::uno::RuntimeException)
{
osl::MutexGuard g(mutex_);
Listeners::iterator i(
std::find(listeners_.begin(), listeners_.end(), aListener));
if (i != listeners_.end()) {
listeners_.erase(i);
}
}
void Bridge::sendCommitChangeRequest() {
assert(mode_ == MODE_REQUESTED || mode_ == MODE_REPLY_1);
css::uno::Sequence< css::bridge::ProtocolProperty > s(1);
s[0].Name = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("CurrentContext"));
std::vector< BinaryAny > a;
a.push_back(mapCppToBinaryAny(css::uno::makeAny(s)));
sendProtPropRequest(OutgoingRequest::KIND_COMMIT_CHANGE, a);
}
void Bridge::sendProtPropRequest(
OutgoingRequest::Kind kind, std::vector< BinaryAny > const & inArguments)
{
assert(
kind == OutgoingRequest::KIND_REQUEST_CHANGE ||
kind == OutgoingRequest::KIND_COMMIT_CHANGE);
incrementCalls(false);
css::uno::TypeDescription member(
kind == OutgoingRequest::KIND_REQUEST_CHANGE
? protPropRequest_ : protPropCommit_);
PopOutgoingRequest pop(
outgoingRequests_, protPropTid_, OutgoingRequest(kind, member, false));
getWriter()->sendDirectRequest(
protPropTid_, protPropOid_, protPropType_, member, inArguments);
pop.clear();
}
void Bridge::makeReleaseCall(
rtl::OUString const & oid, css::uno::TypeDescription const & type)
{
AttachThread att(threadPool_);
sendRequest(
att.getTid(), oid, type,
css::uno::TypeDescription(
rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.uno.XInterface::release"))),
std::vector< BinaryAny >());
}
void Bridge::sendRequest(
rtl::ByteSequence const & tid, rtl::OUString const & oid,
css::uno::TypeDescription const & type,
css::uno::TypeDescription const & member,
std::vector< BinaryAny > const & inArguments)
{
getWriter()->queueRequest(tid, oid, type, member, inArguments);
}
void Bridge::throwException(bool exception, BinaryAny const & value) {
if (exception) {
cppu::throwException(mapBinaryToCppAny(value));
}
}
css::uno::Any Bridge::mapBinaryToCppAny(BinaryAny const & binaryAny) {
BinaryAny in(binaryAny);
css::uno::Any out;
out.~Any();
uno_copyAndConvertData(
&out, in.get(),
css::uno::TypeDescription(cppu::UnoType< css::uno::Any >::get()).get(),
binaryToCppMapping_.get());
return out;
}
bool Bridge::becameUnused() const {
return stubs_.empty() && proxies_ == 0 && calls_ == 0 && normalCall_;
}
void Bridge::terminateWhenUnused(bool unused) {
if (unused) {
// That the current thread considers the bridge unused implies that it
// is not within an incoming or outgoing remote call (so calling
// terminate cannot lead to deadlock):
terminate();
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */