Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 286 insertions, 0 deletions

diff --git a/binaryurp/source/incomingrequest.cxx b/binaryurp/source/incomingrequest.cxx
new file mode 100644
index 000000000..6f4107693
--- /dev/null
+++ b/binaryurp/source/incomingrequest.cxx
@@ -0,0 +1,286 @@
+/* -*- 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: */