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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 0 : 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 0 : currentContextMode_(currentContextMode), currentContext_(currentContext)
54 : {
55 : OSL_ASSERT(bridge.is() && member.is() && member.get()->bComplete);
56 0 : }
57 :
58 0 : IncomingRequest::~IncomingRequest() {}
59 :
60 0 : void IncomingRequest::execute() const {
61 0 : BinaryAny ret;
62 0 : std::vector< BinaryAny > outArgs;
63 : bool isExc;
64 : try {
65 0 : bool resetCc = false;
66 0 : css::uno::UnoInterfaceReference oldCc;
67 0 : if (currentContextMode_) {
68 0 : oldCc = current_context::get();
69 0 : current_context::set(currentContext_);
70 0 : resetCc = true;
71 : }
72 : try {
73 : try {
74 0 : isExc = !execute_throw(&ret, &outArgs);
75 0 : } catch (const std::exception & e) {
76 : throw css::uno::RuntimeException(
77 : ("caught C++ exception: " +
78 : OStringToOUString(
79 0 : OString(e.what()), RTL_TEXTENCODING_ASCII_US)),
80 0 : css::uno::Reference< css::uno::XInterface >());
81 : // best-effort string conversion
82 : }
83 0 : } catch (const css::uno::RuntimeException &) {
84 0 : css::uno::Any exc(cppu::getCaughtException());
85 0 : ret = bridge_->mapCppToBinaryAny(exc);
86 0 : isExc = true;
87 : }
88 0 : if (resetCc) {
89 0 : current_context::set(oldCc);
90 0 : }
91 0 : } catch (const css::uno::RuntimeException &) {
92 0 : css::uno::Any exc(cppu::getCaughtException());
93 0 : ret = bridge_->mapCppToBinaryAny(exc);
94 0 : isExc = true;
95 : }
96 0 : if (synchronous_) {
97 0 : bridge_->decrementActiveCalls();
98 : try {
99 : bridge_->getWriter()->queueReply(
100 0 : tid_, member_, setter_, isExc, ret, outArgs, false);
101 0 : return;
102 0 : } catch (const css::uno::RuntimeException & e) {
103 : OSL_TRACE(
104 : OSL_LOG_PREFIX "caught UNO runtime exception '%s'",
105 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
106 : getStr()));
107 0 : } catch (const std::exception & e) {
108 : OSL_TRACE(OSL_LOG_PREFIX "caught C++ exception '%s'", e.what());
109 : }
110 0 : bridge_->terminate(false);
111 : } else {
112 : if (isExc) {
113 : OSL_TRACE(OSL_LOG_PREFIX "oneway method raised exception");
114 : }
115 0 : bridge_->decrementCalls();
116 0 : }
117 : }
118 :
119 0 : static size_t size_t_round(size_t val)
120 : {
121 0 : return (val + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1);
122 : }
123 :
124 0 : bool IncomingRequest::execute_throw(
125 : BinaryAny * returnValue, std::vector< BinaryAny > * outArguments) const
126 : {
127 : OSL_ASSERT(
128 : returnValue != 0 &&
129 : returnValue->getType().equals(
130 : css::uno::TypeDescription(
131 : cppu::UnoType< cppu::UnoVoidType >::get())) &&
132 : outArguments != 0 && outArguments->empty());
133 0 : bool isExc = false;
134 0 : switch (functionId_) {
135 : case SPECIAL_FUNCTION_ID_RESERVED:
136 : OSL_ASSERT(false); // this cannot happen
137 0 : break;
138 : case SPECIAL_FUNCTION_ID_RELEASE:
139 0 : bridge_->releaseStub(oid_, type_);
140 0 : break;
141 : case SPECIAL_FUNCTION_ID_QUERY_INTERFACE:
142 0 : if (!object_.is()) {
143 0 : css::uno::Reference< css::uno::XInterface > ifc;
144 : css::uno::Reference< css::bridge::XInstanceProvider > prov(
145 0 : bridge_->getProvider());
146 0 : if (prov.is()) {
147 : try {
148 0 : ifc = prov->getInstance(oid_);
149 0 : } catch (const css::container::NoSuchElementException & e) {
150 : OSL_TRACE(
151 : (OSL_LOG_PREFIX "initial element '%s':"
152 : " NoSuchElementException '%s'"),
153 : OUStringToOString(oid_, RTL_TEXTENCODING_UTF8).getStr(),
154 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
155 : getStr()));
156 : }
157 : }
158 0 : if (ifc.is()) {
159 : css::uno::UnoInterfaceReference unoIfc(
160 : static_cast< uno_Interface * >(
161 0 : bridge_->getCppToBinaryMapping().mapInterface(
162 0 : ifc.get(),
163 : (css::uno::TypeDescription(
164 : cppu::UnoType<
165 : css::uno::Reference<
166 0 : css::uno::XInterface > >::get()).
167 0 : get()))),
168 0 : SAL_NO_ACQUIRE);
169 : *returnValue = BinaryAny(
170 : css::uno::TypeDescription(
171 : cppu::UnoType<
172 : css::uno::Reference<
173 0 : css::uno::XInterface > >::get()),
174 0 : &unoIfc.m_pUnoI);
175 : }
176 0 : break;
177 : }
178 : // fall through
179 : default:
180 : {
181 : OSL_ASSERT(object_.is());
182 0 : css::uno::TypeDescription retType;
183 0 : std::list< std::vector< char > > outBufs;
184 0 : std::vector< void * > args;
185 0 : switch (member_.get()->eTypeClass) {
186 : case typelib_TypeClass_INTERFACE_ATTRIBUTE:
187 : {
188 : css::uno::TypeDescription t(
189 : reinterpret_cast<
190 : typelib_InterfaceAttributeTypeDescription * >(
191 0 : member_.get())->
192 0 : pAttributeTypeRef);
193 0 : if (setter_) {
194 : OSL_ASSERT(inArguments_.size() == 1);
195 0 : args.push_back(inArguments_[0].getValue(t));
196 : } else {
197 : OSL_ASSERT(inArguments_.empty());
198 0 : retType = t;
199 : }
200 0 : break;
201 : }
202 : case typelib_TypeClass_INTERFACE_METHOD:
203 : {
204 : typelib_InterfaceMethodTypeDescription * mtd =
205 : reinterpret_cast<
206 : typelib_InterfaceMethodTypeDescription * >(
207 0 : member_.get());
208 0 : retType = css::uno::TypeDescription(mtd->pReturnTypeRef);
209 : std::vector< BinaryAny >::const_iterator i(
210 0 : inArguments_.begin());
211 0 : for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
212 : void * p;
213 0 : if (mtd->pParams[j].bIn) {
214 : p = i++->getValue(
215 : css::uno::TypeDescription(
216 0 : mtd->pParams[j].pTypeRef));
217 : } else {
218 : outBufs.push_back(
219 : std::vector< char >(size_t_round(
220 : css::uno::TypeDescription(
221 0 : mtd->pParams[j].pTypeRef).
222 0 : get()->nSize)));
223 0 : p = &outBufs.back()[0];
224 : }
225 0 : args.push_back(p);
226 0 : if (mtd->pParams[j].bOut) {
227 0 : outArguments->push_back(BinaryAny());
228 : }
229 : }
230 : OSL_ASSERT(i == inArguments_.end());
231 : break;
232 : }
233 : default:
234 : OSL_ASSERT(false); // this cannot happen
235 0 : break;
236 : }
237 0 : size_t nSize = 0;
238 0 : if (retType.is())
239 0 : nSize = size_t_round(retType.get()->nSize);
240 0 : std::vector< char > retBuf(nSize);
241 : uno_Any exc;
242 0 : uno_Any * pexc = &exc;
243 0 : (*object_.get()->pDispatcher)(
244 0 : object_.get(), member_.get(), retBuf.empty() ? 0 : &retBuf[0],
245 0 : args.empty() ? 0 : &args[0], &pexc);
246 0 : isExc = pexc != 0;
247 0 : if (isExc) {
248 : *returnValue = BinaryAny(
249 : css::uno::TypeDescription(
250 0 : cppu::UnoType< css::uno::Any >::get()),
251 0 : &exc);
252 0 : uno_any_destruct(&exc, 0);
253 : } else {
254 0 : if (!retBuf.empty()) {
255 0 : *returnValue = BinaryAny(retType, &retBuf[0]);
256 0 : uno_destructData(&retBuf[0], retType.get(), 0);
257 : }
258 0 : if (!outArguments->empty()) {
259 : OSL_ASSERT(
260 : member_.get()->eTypeClass ==
261 : typelib_TypeClass_INTERFACE_METHOD);
262 : typelib_InterfaceMethodTypeDescription * mtd =
263 : reinterpret_cast<
264 : typelib_InterfaceMethodTypeDescription * >(
265 0 : member_.get());
266 0 : std::vector< BinaryAny >::iterator i(outArguments->begin());
267 : std::list< std::vector< char > >::iterator j(
268 0 : outBufs.begin());
269 0 : for (sal_Int32 k = 0; k != mtd->nParams; ++k) {
270 0 : if (mtd->pParams[k].bOut) {
271 0 : *i++ = BinaryAny(
272 : css::uno::TypeDescription(
273 0 : mtd->pParams[k].pTypeRef),
274 0 : args[k]);
275 : }
276 0 : if (!mtd->pParams[k].bIn) {
277 : uno_type_destructData(
278 0 : &(*j++)[0], mtd->pParams[k].pTypeRef, 0);
279 : }
280 : }
281 : OSL_ASSERT(i == outArguments->end());
282 : OSL_ASSERT(j == outBufs.end());
283 : }
284 : }
285 0 : break;
286 : }
287 : }
288 0 : return !isExc;
289 : }
290 :
291 : }
292 :
293 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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