Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "sal/config.h"
21 :
22 : #include <list>
23 : #include <vector>
24 :
25 : #include "boost/noncopyable.hpp"
26 : #include "com/sun/star/bridge/XInstanceProvider.hpp"
27 : #include "cppuhelper/exc_hlp.hxx"
28 : #include "rtl/byteseq.hxx"
29 : #include "rtl/ref.hxx"
30 : #include "rtl/ustring.hxx"
31 : #include "sal/types.h"
32 : #include "typelib/typedescription.hxx"
33 : #include "uno/dispatcher.hxx"
34 :
35 : #include "binaryany.hxx"
36 : #include "bridge.hxx"
37 : #include "currentcontext.hxx"
38 : #include "incomingrequest.hxx"
39 : #include "specialfunctionids.hxx"
40 :
41 : namespace binaryurp {
42 :
43 509676 : IncomingRequest::IncomingRequest(
44 : rtl::Reference< Bridge > const & bridge, rtl::ByteSequence const & tid,
45 : OUString const & oid, css::uno::UnoInterfaceReference const & object,
46 : css::uno::TypeDescription const & type, sal_uInt16 functionId,
47 : bool synchronous, css::uno::TypeDescription const & member, bool setter,
48 : std::vector< BinaryAny > const & inArguments, bool currentContextMode,
49 : css::uno::UnoInterfaceReference const & currentContext):
50 : bridge_(bridge), tid_(tid), oid_(oid), object_(object), type_(type),
51 : functionId_(functionId), synchronous_(synchronous), member_(member),
52 : setter_(setter), inArguments_(inArguments),
53 509676 : currentContextMode_(currentContextMode), currentContext_(currentContext)
54 : {
55 : OSL_ASSERT(bridge.is() && member.is() && member.get()->bComplete);
56 509676 : }
57 :
58 509660 : IncomingRequest::~IncomingRequest() {}
59 :
60 509641 : void IncomingRequest::execute() const {
61 509641 : BinaryAny ret;
62 627401 : std::vector< BinaryAny > outArgs;
63 : bool isExc;
64 : try {
65 509602 : bool resetCc = false;
66 509602 : css::uno::UnoInterfaceReference oldCc;
67 509597 : if (currentContextMode_) {
68 391927 : oldCc = current_context::get();
69 391927 : current_context::set(currentContext_);
70 391927 : resetCc = true;
71 : }
72 : try {
73 : try {
74 509597 : isExc = !execute_throw(&ret, &outArgs);
75 0 : } catch (const std::exception & e) {
76 : throw css::uno::RuntimeException(
77 0 : "caught C++ exception: " +
78 : OStringToOUString(
79 0 : OString(e.what()), RTL_TEXTENCODING_ASCII_US));
80 : // best-effort string conversion
81 : }
82 0 : } catch (const css::uno::RuntimeException &) {
83 0 : css::uno::Any exc(cppu::getCaughtException());
84 0 : ret = bridge_->mapCppToBinaryAny(exc);
85 0 : isExc = true;
86 : }
87 509672 : if (resetCc) {
88 391927 : current_context::set(oldCc);
89 509672 : }
90 0 : } catch (const css::uno::RuntimeException &) {
91 0 : css::uno::Any exc(cppu::getCaughtException());
92 0 : ret = bridge_->mapCppToBinaryAny(exc);
93 0 : isExc = true;
94 : }
95 509676 : if (synchronous_) {
96 391927 : bridge_->decrementActiveCalls();
97 : try {
98 : bridge_->getWriter()->queueReply(
99 391927 : tid_, member_, setter_, isExc, ret, outArgs, false);
100 901602 : return;
101 1 : } catch (const css::uno::RuntimeException & e) {
102 : OSL_TRACE(
103 : "caught UNO runtime exception '%s'",
104 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
105 : getStr()));
106 0 : } catch (const std::exception & e) {
107 : OSL_TRACE("caught C++ exception '%s'", e.what());
108 : }
109 1 : bridge_->terminate(false);
110 : } else {
111 : if (isExc) {
112 : OSL_TRACE("oneway method raised exception");
113 : }
114 117749 : bridge_->decrementCalls();
115 117750 : }
116 : }
117 :
118 391479 : static size_t size_t_round(size_t val)
119 : {
120 391479 : return (val + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1);
121 : }
122 :
123 509655 : bool IncomingRequest::execute_throw(
124 : BinaryAny * returnValue, std::vector< BinaryAny > * outArguments) const
125 : {
126 : OSL_ASSERT(
127 : returnValue != 0 &&
128 : returnValue->getType().equals(
129 : css::uno::TypeDescription(
130 : cppu::UnoType< cppu::UnoVoidType >::get())) &&
131 : outArguments != 0 && outArguments->empty());
132 509655 : bool isExc = false;
133 509655 : switch (functionId_) {
134 : case SPECIAL_FUNCTION_ID_RESERVED:
135 : OSL_ASSERT(false); // this cannot happen
136 0 : break;
137 : case SPECIAL_FUNCTION_ID_RELEASE:
138 117748 : bridge_->releaseStub(oid_, type_);
139 117749 : break;
140 : case SPECIAL_FUNCTION_ID_QUERY_INTERFACE:
141 43611 : if (!object_.is()) {
142 134 : css::uno::Reference< css::uno::XInterface > ifc;
143 : css::uno::Reference< css::bridge::XInstanceProvider > prov(
144 268 : bridge_->getProvider());
145 134 : if (prov.is()) {
146 : try {
147 134 : ifc = prov->getInstance(oid_);
148 0 : } catch (const css::container::NoSuchElementException & e) {
149 : OSL_TRACE(
150 : "initial element '%s': NoSuchElementException '%s'",
151 : OUStringToOString(oid_, RTL_TEXTENCODING_UTF8).getStr(),
152 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
153 : getStr()));
154 : }
155 : }
156 134 : if (ifc.is()) {
157 : css::uno::UnoInterfaceReference unoIfc(
158 : static_cast< uno_Interface * >(
159 134 : bridge_->getCppToBinaryMapping().mapInterface(
160 134 : ifc.get(),
161 : (css::uno::TypeDescription(
162 : cppu::UnoType<
163 : css::uno::Reference<
164 134 : css::uno::XInterface > >::get()).
165 402 : get()))),
166 134 : SAL_NO_ACQUIRE);
167 268 : *returnValue = BinaryAny(
168 : css::uno::TypeDescription(
169 : cppu::UnoType<
170 : css::uno::Reference<
171 134 : css::uno::XInterface > >::get()),
172 268 : &unoIfc.m_pUnoI);
173 : }
174 268 : break;
175 : }
176 : // fall through
177 : default:
178 : {
179 : OSL_ASSERT(object_.is());
180 391776 : css::uno::TypeDescription retType;
181 783586 : std::list< std::vector< char > > outBufs;
182 783586 : std::vector< void * > args;
183 391793 : switch (member_.get()->eTypeClass) {
184 : case typelib_TypeClass_INTERFACE_ATTRIBUTE:
185 : {
186 : css::uno::TypeDescription t(
187 : reinterpret_cast<
188 : typelib_InterfaceAttributeTypeDescription * >(
189 8002 : member_.get())->
190 8002 : pAttributeTypeRef);
191 8002 : if (setter_) {
192 : OSL_ASSERT(inArguments_.size() == 1);
193 422 : args.push_back(inArguments_[0].getValue(t));
194 : } else {
195 : OSL_ASSERT(inArguments_.empty());
196 7580 : retType = t;
197 : }
198 8002 : break;
199 : }
200 : case typelib_TypeClass_INTERFACE_METHOD:
201 : {
202 : typelib_InterfaceMethodTypeDescription * mtd =
203 : reinterpret_cast<
204 : typelib_InterfaceMethodTypeDescription * >(
205 383791 : member_.get());
206 383791 : retType = css::uno::TypeDescription(mtd->pReturnTypeRef);
207 : std::vector< BinaryAny >::const_iterator i(
208 383791 : inArguments_.begin());
209 703038 : for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
210 : void * p;
211 319247 : if (mtd->pParams[j].bIn) {
212 : p = i++->getValue(
213 : css::uno::TypeDescription(
214 319139 : mtd->pParams[j].pTypeRef));
215 : } else {
216 : outBufs.push_back(
217 : std::vector< char >(size_t_round(
218 : css::uno::TypeDescription(
219 108 : mtd->pParams[j].pTypeRef).
220 216 : get()->nSize)));
221 108 : p = &outBufs.back()[0];
222 : }
223 319247 : args.push_back(p);
224 319247 : if (mtd->pParams[j].bOut) {
225 202 : outArguments->push_back(BinaryAny());
226 : }
227 : }
228 : OSL_ASSERT(i == inArguments_.end());
229 383791 : break;
230 : }
231 : default:
232 : OSL_ASSERT(false); // this cannot happen
233 0 : break;
234 : }
235 391793 : size_t nSize = 0;
236 391793 : if (retType.is())
237 391371 : nSize = size_t_round(retType.get()->nSize);
238 391793 : std::vector< char > retBuf(nSize);
239 : uno_Any exc;
240 391793 : uno_Any * pexc = &exc;
241 391793 : (*object_.get()->pDispatcher)(
242 783586 : object_.get(), member_.get(), retBuf.empty() ? 0 : &retBuf[0],
243 1175379 : args.empty() ? 0 : &args[0], &pexc);
244 391793 : isExc = pexc != 0;
245 391793 : if (isExc) {
246 3932 : *returnValue = BinaryAny(
247 : css::uno::TypeDescription(
248 1966 : cppu::UnoType< css::uno::Any >::get()),
249 1966 : &exc);
250 1966 : uno_any_destruct(&exc, 0);
251 : } else {
252 389827 : if (!retBuf.empty()) {
253 325483 : *returnValue = BinaryAny(retType, &retBuf[0]);
254 325483 : uno_destructData(&retBuf[0], retType.get(), 0);
255 : }
256 389827 : if (!outArguments->empty()) {
257 : OSL_ASSERT(
258 : member_.get()->eTypeClass ==
259 : typelib_TypeClass_INTERFACE_METHOD);
260 : typelib_InterfaceMethodTypeDescription * mtd =
261 : reinterpret_cast<
262 : typelib_InterfaceMethodTypeDescription * >(
263 164 : member_.get());
264 164 : std::vector< BinaryAny >::iterator i(outArguments->begin());
265 : std::list< std::vector< char > >::iterator j(
266 164 : outBufs.begin());
267 398 : for (sal_Int32 k = 0; k != mtd->nParams; ++k) {
268 234 : if (mtd->pParams[k].bOut) {
269 606 : *i++ = BinaryAny(
270 : css::uno::TypeDescription(
271 202 : mtd->pParams[k].pTypeRef),
272 404 : args[k]);
273 : }
274 234 : if (!mtd->pParams[k].bIn) {
275 : uno_type_destructData(
276 108 : &(*j++)[0], mtd->pParams[k].pTypeRef, 0);
277 : }
278 : }
279 : OSL_ASSERT(i == outArguments->end());
280 : OSL_ASSERT(j == outBufs.end());
281 : }
282 : }
283 783586 : break;
284 : }
285 : }
286 509673 : return !isExc;
287 : }
288 :
289 : }
290 :
291 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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