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-rw-r--r--binaryurp/source/incomingrequest.cxx286
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diff --git a/binaryurp/source/incomingrequest.cxx b/binaryurp/source/incomingrequest.cxx
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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 <utility>
+#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 tid,
+ OUString oid, css::uno::UnoInterfaceReference object,
+ css::uno::TypeDescription type, sal_uInt16 functionId,
+ bool synchronous, css::uno::TypeDescription const & member, bool setter,
+ std::vector< BinaryAny >&& inArguments, bool currentContextMode,
+ css::uno::UnoInterfaceReference currentContext):
+ bridge_(bridge), tid_(std::move(tid)), oid_(std::move(oid)), object_(std::move(object)), type_(std::move(type)),
+ member_(member), currentContext_(std::move(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: */