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office-gobmx/binaryurp/source/incomingrequest.cxx
Noel Grandin 953d8429c9 loplugin:moveparam in binaryurp 
Change-Id: Ia69e2307872813ede3339c0e9fbe1f2ae6a3508a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123246
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-10-08 17:10:07 +02:00

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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 .
*/
#include <sal/config.h>
#include <cassert>
#include <vector>
#include <com/sun/star/bridge/XInstanceProvider.hpp>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <cppuhelper/exc_hlp.hxx>
#include <o3tl/runtimetooustring.hxx>
#include <rtl/byteseq.hxx>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
#include <sal/types.h>
#include <typelib/typedescription.hxx>
#include <uno/dispatcher.hxx>
#include "binaryany.hxx"
#include "bridge.hxx"
#include "currentcontext.hxx"
#include "incomingrequest.hxx"
#include "specialfunctionids.hxx"
namespace binaryurp {
IncomingRequest::IncomingRequest(
rtl::Reference< Bridge > const & bridge, rtl::ByteSequence const & tid,
OUString const & oid, css::uno::UnoInterfaceReference const & object,
css::uno::TypeDescription const & type, sal_uInt16 functionId,
bool synchronous, css::uno::TypeDescription const & member, bool setter,
std::vector< BinaryAny >&& inArguments, bool currentContextMode,
css::uno::UnoInterfaceReference const & currentContext):
bridge_(bridge), tid_(tid), oid_(oid), object_(object), type_(type),
member_(member), currentContext_(currentContext),
inArguments_(std::move(inArguments)), functionId_(functionId),
synchronous_(synchronous), setter_(setter), currentContextMode_(currentContextMode)
{
assert(bridge.is());
assert(member.is());
assert(member.get()->bComplete);
}
IncomingRequest::~IncomingRequest() {}
void IncomingRequest::execute() const {
BinaryAny ret;
std::vector< BinaryAny > outArgs;
bool isExc;
try {
bool resetCc = false;
css::uno::UnoInterfaceReference oldCc;
if (currentContextMode_) {
oldCc = current_context::get();
current_context::set(currentContext_);
resetCc = true;
}
try {
try {
isExc = !execute_throw(&ret, &outArgs);
} catch (const std::exception & e) {
throw css::uno::RuntimeException(
"caught C++ exception: "
+ o3tl::runtimeToOUString(e.what()));
}
} catch (const css::uno::RuntimeException &) {
css::uno::Any exc(cppu::getCaughtException());
ret = bridge_->mapCppToBinaryAny(exc);
isExc = true;
}
if (resetCc) {
current_context::set(oldCc);
}
} catch (const css::uno::RuntimeException &) {
css::uno::Any exc(cppu::getCaughtException());
ret = bridge_->mapCppToBinaryAny(exc);
isExc = true;
}
if (synchronous_) {
bridge_->decrementActiveCalls();
try {
bridge_->getWriter()->queueReply(
tid_, member_, setter_, isExc, ret, std::move(outArgs), false);
return;
} catch (const css::uno::RuntimeException & e) {
SAL_INFO("binaryurp", "caught " << e);
} catch (const std::exception & e) {
SAL_INFO("binaryurp", "caught C++ exception " << e.what());
}
bridge_->terminate(false);
} else {
if (isExc) {
SAL_INFO("binaryurp", "oneway method raised exception");
}
bridge_->decrementCalls();
}
}
static size_t size_t_round(size_t val)
{
return (val + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1);
}
bool IncomingRequest::execute_throw(
BinaryAny * returnValue, std::vector< BinaryAny > * outArguments) const
{
assert(returnValue != nullptr);
assert(
returnValue->getType().equals(
css::uno::TypeDescription(cppu::UnoType<void>::get())));
assert(outArguments != nullptr);
assert(outArguments->empty());
bool isExc = false;
switch (functionId_) {
case SPECIAL_FUNCTION_ID_RESERVED:
assert(false); // this cannot happen
break;
case SPECIAL_FUNCTION_ID_RELEASE:
bridge_->releaseStub(oid_, type_);
break;
case SPECIAL_FUNCTION_ID_QUERY_INTERFACE:
if (!object_.is()) {
css::uno::Reference< css::uno::XInterface > ifc;
css::uno::Reference< css::bridge::XInstanceProvider > prov(
bridge_->getProvider());
if (prov.is()) {
try {
ifc = prov->getInstance(oid_);
} catch (const css::container::NoSuchElementException & e) {
SAL_INFO("binaryurp", "initial element " << oid_ << ": " << e);
}
}
if (ifc.is()) {
css::uno::UnoInterfaceReference unoIfc(
static_cast< uno_Interface * >(
bridge_->getCppToBinaryMapping().mapInterface(
ifc.get(),
(css::uno::TypeDescription(
cppu::UnoType<
css::uno::Reference<
css::uno::XInterface > >::get()).
get()))),
SAL_NO_ACQUIRE);
*returnValue = BinaryAny(
css::uno::TypeDescription(
cppu::UnoType<
css::uno::Reference<
css::uno::XInterface > >::get()),
&unoIfc.m_pUnoI);
}
break;
}
[[fallthrough]];
default:
{
assert(object_.is());
css::uno::TypeDescription retType;
std::vector< std::vector< char > > outBufs;
std::vector< void * > args;
switch (member_.get()->eTypeClass) {
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
{
css::uno::TypeDescription t(
reinterpret_cast<
typelib_InterfaceAttributeTypeDescription * >(
member_.get())->
pAttributeTypeRef);
if (setter_) {
assert(inArguments_.size() == 1);
args.push_back(inArguments_[0].getValue(t));
} else {
assert(inArguments_.empty());
retType = t;
}
break;
}
case typelib_TypeClass_INTERFACE_METHOD:
{
typelib_InterfaceMethodTypeDescription * mtd =
reinterpret_cast<
typelib_InterfaceMethodTypeDescription * >(
member_.get());
retType = css::uno::TypeDescription(mtd->pReturnTypeRef);
std::vector< BinaryAny >::const_iterator i(
inArguments_.begin());
for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
void * p;
if (mtd->pParams[j].bIn) {
p = i++->getValue(
css::uno::TypeDescription(
mtd->pParams[j].pTypeRef));
} else {
outBufs.emplace_back(size_t_round(
css::uno::TypeDescription(
mtd->pParams[j].pTypeRef).
get()->nSize));
p = outBufs.back().data();
}
args.push_back(p);
if (mtd->pParams[j].bOut) {
outArguments->push_back(BinaryAny());
}
}
assert(i == inArguments_.end());
break;
}
default:
assert(false); // this cannot happen
break;
}
size_t nSize = 0;
if (retType.is())
nSize = size_t_round(retType.get()->nSize);
std::vector< char > retBuf(nSize);
uno_Any exc;
uno_Any * pexc = &exc;
(*object_.get()->pDispatcher)(
object_.get(), member_.get(), retBuf.empty() ? nullptr : retBuf.data(),
args.empty() ? nullptr : args.data(), &pexc);
isExc = pexc != nullptr;
if (isExc) {
*returnValue = BinaryAny(
css::uno::TypeDescription(
cppu::UnoType< css::uno::Any >::get()),
&exc);
uno_any_destruct(&exc, nullptr);
} else {
if (!retBuf.empty()) {
*returnValue = BinaryAny(retType, retBuf.data());
uno_destructData(retBuf.data(), retType.get(), nullptr);
}
if (!outArguments->empty()) {
assert(
member_.get()->eTypeClass ==
typelib_TypeClass_INTERFACE_METHOD);
typelib_InterfaceMethodTypeDescription * mtd =
reinterpret_cast<
typelib_InterfaceMethodTypeDescription * >(
member_.get());
std::vector< BinaryAny >::iterator i(outArguments->begin());
std::vector< std::vector< char > >::iterator j(
outBufs.begin());
for (sal_Int32 k = 0; k != mtd->nParams; ++k) {
if (mtd->pParams[k].bOut) {
*i++ = BinaryAny(
css::uno::TypeDescription(
mtd->pParams[k].pTypeRef),
args[k]);
}
if (!mtd->pParams[k].bIn) {
uno_type_destructData(
(j++)->data(), mtd->pParams[k].pTypeRef, nullptr);
}
}
assert(i == outArguments->end());
assert(j == outBufs.end());
}
}
break;
}
}
return !isExc;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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