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 "com/sun/star/bridge/XInstanceProvider.hpp"
26 : #include "cppuhelper/exc_hlp.hxx"
27 : #include "rtl/byteseq.hxx"
28 : #include "rtl/ref.hxx"
29 : #include "rtl/ustring.hxx"
30 : #include "sal/types.h"
31 : #include "typelib/typedescription.hxx"
32 : #include "uno/dispatcher.hxx"
33 :
34 : #include "binaryany.hxx"
35 : #include "bridge.hxx"
36 : #include "currentcontext.hxx"
37 : #include "incomingrequest.hxx"
38 : #include "specialfunctionids.hxx"
39 :
40 : namespace binaryurp {
41 :
42 259607 : IncomingRequest::IncomingRequest(
43 : rtl::Reference< Bridge > const & bridge, rtl::ByteSequence const & tid,
44 : OUString const & oid, css::uno::UnoInterfaceReference const & object,
45 : css::uno::TypeDescription const & type, sal_uInt16 functionId,
46 : bool synchronous, css::uno::TypeDescription const & member, bool setter,
47 : std::vector< BinaryAny > const & inArguments, bool currentContextMode,
48 : css::uno::UnoInterfaceReference const & currentContext):
49 : bridge_(bridge), tid_(tid), oid_(oid), object_(object), type_(type),
50 : functionId_(functionId), synchronous_(synchronous), member_(member),
51 : setter_(setter), inArguments_(inArguments),
52 259607 : currentContextMode_(currentContextMode), currentContext_(currentContext)
53 : {
54 : OSL_ASSERT(bridge.is() && member.is() && member.get()->bComplete);
55 259607 : }
56 :
57 259605 : IncomingRequest::~IncomingRequest() {}
58 :
59 259563 : void IncomingRequest::execute() const {
60 259563 : BinaryAny ret;
61 311872 : std::vector< BinaryAny > outArgs;
62 : bool isExc;
63 : try {
64 259560 : bool resetCc = false;
65 259560 : css::uno::UnoInterfaceReference oldCc;
66 259568 : if (currentContextMode_) {
67 207338 : oldCc = current_context::get();
68 207341 : current_context::set(currentContext_);
69 207341 : resetCc = true;
70 : }
71 : try {
72 : try {
73 259571 : isExc = !execute_throw(&ret, &outArgs);
74 0 : } catch (const std::exception & e) {
75 : throw css::uno::RuntimeException(
76 0 : "caught C++ exception: " +
77 : OStringToOUString(
78 0 : OString(e.what()), RTL_TEXTENCODING_ASCII_US));
79 : // best-effort string conversion
80 : }
81 30 : } catch (const css::uno::RuntimeException &) {
82 30 : css::uno::Any exc(cppu::getCaughtException());
83 30 : ret = bridge_->mapCppToBinaryAny(exc);
84 30 : isExc = true;
85 : }
86 259606 : if (resetCc) {
87 207341 : current_context::set(oldCc);
88 259606 : }
89 0 : } catch (const css::uno::RuntimeException &) {
90 0 : css::uno::Any exc(cppu::getCaughtException());
91 0 : ret = bridge_->mapCppToBinaryAny(exc);
92 0 : isExc = true;
93 : }
94 259607 : if (synchronous_) {
95 207341 : bridge_->decrementActiveCalls();
96 : try {
97 : bridge_->getWriter()->queueReply(
98 207341 : tid_, member_, setter_, isExc, ret, outArgs, false);
99 466946 : return;
100 2 : } catch (const css::uno::RuntimeException & e) {
101 : OSL_TRACE(
102 : "caught UNO runtime exception '%s'",
103 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
104 : getStr()));
105 0 : } catch (const std::exception & e) {
106 : OSL_TRACE("caught C++ exception '%s'", e.what());
107 : }
108 2 : bridge_->terminate(false);
109 : } else {
110 : if (isExc) {
111 : OSL_TRACE("oneway method raised exception");
112 : }
113 52266 : bridge_->decrementCalls();
114 52268 : }
115 : }
116 :
117 207112 : static size_t size_t_round(size_t val)
118 : {
119 207112 : return (val + (sizeof(size_t)-1)) & ~(sizeof(size_t)-1);
120 : }
121 :
122 259603 : bool IncomingRequest::execute_throw(
123 : BinaryAny * returnValue, std::vector< BinaryAny > * outArguments) const
124 : {
125 : OSL_ASSERT(
126 : returnValue != 0 &&
127 : returnValue->getType().equals(
128 : css::uno::TypeDescription(cppu::UnoType<void>::get())) &&
129 : outArguments != 0 && outArguments->empty());
130 259603 : bool isExc = false;
131 259603 : switch (functionId_) {
132 : case SPECIAL_FUNCTION_ID_RESERVED:
133 : OSL_ASSERT(false); // this cannot happen
134 0 : break;
135 : case SPECIAL_FUNCTION_ID_RELEASE:
136 52266 : bridge_->releaseStub(oid_, type_);
137 52236 : break;
138 : case SPECIAL_FUNCTION_ID_QUERY_INTERFACE:
139 21832 : if (!object_.is()) {
140 96 : css::uno::Reference< css::uno::XInterface > ifc;
141 : css::uno::Reference< css::bridge::XInstanceProvider > prov(
142 192 : bridge_->getProvider());
143 96 : if (prov.is()) {
144 : try {
145 96 : ifc = prov->getInstance(oid_);
146 0 : } catch (const css::container::NoSuchElementException & e) {
147 : OSL_TRACE(
148 : "initial element '%s': NoSuchElementException '%s'",
149 : OUStringToOString(oid_, RTL_TEXTENCODING_UTF8).getStr(),
150 : (OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8).
151 : getStr()));
152 : }
153 : }
154 96 : if (ifc.is()) {
155 : css::uno::UnoInterfaceReference unoIfc(
156 : static_cast< uno_Interface * >(
157 96 : bridge_->getCppToBinaryMapping().mapInterface(
158 96 : ifc.get(),
159 : (css::uno::TypeDescription(
160 : cppu::UnoType<
161 : css::uno::Reference<
162 96 : css::uno::XInterface > >::get()).
163 288 : get()))),
164 96 : SAL_NO_ACQUIRE);
165 192 : *returnValue = BinaryAny(
166 : css::uno::TypeDescription(
167 : cppu::UnoType<
168 : css::uno::Reference<
169 96 : css::uno::XInterface > >::get()),
170 192 : &unoIfc.m_pUnoI);
171 : }
172 192 : break;
173 : }
174 : // fall through
175 : default:
176 : {
177 : OSL_ASSERT(object_.is());
178 207242 : css::uno::TypeDescription retType;
179 414490 : std::list< std::vector< char > > outBufs;
180 414489 : std::vector< void * > args;
181 207244 : switch (member_.get()->eTypeClass) {
182 : case typelib_TypeClass_INTERFACE_ATTRIBUTE:
183 : {
184 : css::uno::TypeDescription t(
185 : reinterpret_cast<
186 : typelib_InterfaceAttributeTypeDescription * >(
187 3966 : member_.get())->
188 3966 : pAttributeTypeRef);
189 3966 : if (setter_) {
190 : OSL_ASSERT(inArguments_.size() == 1);
191 186 : args.push_back(inArguments_[0].getValue(t));
192 : } else {
193 : OSL_ASSERT(inArguments_.empty());
194 3780 : retType = t;
195 : }
196 3966 : break;
197 : }
198 : case typelib_TypeClass_INTERFACE_METHOD:
199 : {
200 : typelib_InterfaceMethodTypeDescription * mtd =
201 : reinterpret_cast<
202 : typelib_InterfaceMethodTypeDescription * >(
203 203277 : member_.get());
204 203276 : retType = css::uno::TypeDescription(mtd->pReturnTypeRef);
205 : std::vector< BinaryAny >::const_iterator i(
206 203279 : inArguments_.begin());
207 365069 : for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
208 : void * p;
209 161792 : if (mtd->pParams[j].bIn) {
210 : p = i++->getValue(
211 : css::uno::TypeDescription(
212 161738 : mtd->pParams[j].pTypeRef));
213 : } else {
214 : outBufs.push_back(
215 : std::vector< char >(size_t_round(
216 : css::uno::TypeDescription(
217 54 : mtd->pParams[j].pTypeRef).
218 108 : get()->nSize)));
219 54 : p = &outBufs.back()[0];
220 : }
221 161792 : args.push_back(p);
222 161792 : if (mtd->pParams[j].bOut) {
223 101 : outArguments->push_back(BinaryAny());
224 : }
225 : }
226 : OSL_ASSERT(i == inArguments_.end());
227 203277 : break;
228 : }
229 : default:
230 : OSL_ASSERT(false); // this cannot happen
231 0 : break;
232 : }
233 207243 : size_t nSize = 0;
234 207243 : if (retType.is())
235 207058 : nSize = size_t_round(retType.get()->nSize);
236 207244 : std::vector< char > retBuf(nSize);
237 : uno_Any exc;
238 207245 : uno_Any * pexc = &exc;
239 207245 : (*object_.get()->pDispatcher)(
240 414488 : object_.get(), member_.get(), retBuf.empty() ? 0 : &retBuf[0],
241 621734 : args.empty() ? 0 : &args[0], &pexc);
242 207245 : isExc = pexc != 0;
243 207245 : if (isExc) {
244 1874 : *returnValue = BinaryAny(
245 : css::uno::TypeDescription(
246 937 : cppu::UnoType< css::uno::Any >::get()),
247 937 : &exc);
248 937 : uno_any_destruct(&exc, 0);
249 : } else {
250 206308 : if (!retBuf.empty()) {
251 174125 : *returnValue = BinaryAny(retType, &retBuf[0]);
252 174125 : uno_destructData(&retBuf[0], retType.get(), 0);
253 : }
254 206308 : if (!outArguments->empty()) {
255 : OSL_ASSERT(
256 : member_.get()->eTypeClass ==
257 : typelib_TypeClass_INTERFACE_METHOD);
258 : typelib_InterfaceMethodTypeDescription * mtd =
259 : reinterpret_cast<
260 : typelib_InterfaceMethodTypeDescription * >(
261 82 : member_.get());
262 82 : std::vector< BinaryAny >::iterator i(outArguments->begin());
263 : std::list< std::vector< char > >::iterator j(
264 82 : outBufs.begin());
265 199 : for (sal_Int32 k = 0; k != mtd->nParams; ++k) {
266 117 : if (mtd->pParams[k].bOut) {
267 303 : *i++ = BinaryAny(
268 : css::uno::TypeDescription(
269 101 : mtd->pParams[k].pTypeRef),
270 202 : args[k]);
271 : }
272 117 : if (!mtd->pParams[k].bIn) {
273 : uno_type_destructData(
274 54 : &(*j++)[0], mtd->pParams[k].pTypeRef, 0);
275 : }
276 : }
277 : OSL_ASSERT(i == outArguments->end());
278 : OSL_ASSERT(j == outBufs.end());
279 : }
280 : }
281 414490 : break;
282 : }
283 : }
284 259576 : return !isExc;
285 : }
286 :
287 : }
288 :
289 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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