1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
/* -*- 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 .
*/
#pragma once
#include <sal/config.h>
#include <cstddef>
#include <map>
#include <vector>
#include <com/sun/star/bridge/XBridge.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <cppuhelper/implbase.hxx>
#include <osl/conditn.hxx>
#include <osl/mutex.hxx>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <uno/environment.hxx>
#include <uno/mapping.hxx>
#include <uno/threadpool.h>
#include "outgoingrequest.hxx"
#include "outgoingrequests.hxx"
#include "writer.hxx"
namespace binaryurp {
class BinaryAny;
class BridgeFactory;
class Proxy;
class Reader;
}
namespace com::sun::star {
namespace bridge { class XInstanceProvider; }
namespace connection { class XConnection; }
namespace lang { class XEventListener; }
namespace uno {
class Any;
class TypeDescription;
class UnoInterfaceReference;
class XInterface;
}
}
namespace rtl { class ByteSequence; }
namespace binaryurp {
class Bridge:
public cppu::WeakImplHelper<
com::sun::star::bridge::XBridge, com::sun::star::lang::XComponent >
{
public:
Bridge(
rtl::Reference< BridgeFactory > const & factory,
OUString const & name,
com::sun::star::uno::Reference<
com::sun::star::connection::XConnection > const & connection,
com::sun::star::uno::Reference<
com::sun::star::bridge::XInstanceProvider > const & provider);
void start();
// Internally waits for all incoming and outgoing remote calls to terminate,
// so must not be called from within such a call; when final is true, also
// joins all remaining threads (reader, writer, and worker threads from the
// thread pool), so must not be called with final set to true from such a
// thread:
void terminate(bool final);
const com::sun::star::uno::Reference< com::sun::star::connection::XConnection >&
getConnection() const { return connection_;}
const com::sun::star::uno::Reference< com::sun::star::bridge::XInstanceProvider >&
getProvider() const { return provider_;}
com::sun::star::uno::Mapping & getCppToBinaryMapping() { return cppToBinaryMapping_;}
BinaryAny mapCppToBinaryAny(com::sun::star::uno::Any const & cppAny);
uno_ThreadPool getThreadPool();
rtl::Reference< Writer > getWriter();
com::sun::star::uno::UnoInterfaceReference registerIncomingInterface(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
OUString registerOutgoingInterface(
com::sun::star::uno::UnoInterfaceReference const & object,
com::sun::star::uno::TypeDescription const & type);
com::sun::star::uno::UnoInterfaceReference findStub(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void releaseStub(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void resurrectProxy(Proxy & proxy);
void revokeProxy(Proxy & proxy);
void freeProxy(Proxy & proxy);
void incrementCalls(bool normalCall) throw ();
void decrementCalls();
void incrementActiveCalls() throw ();
void decrementActiveCalls() throw ();
bool makeCall(
OUString const & oid,
com::sun::star::uno::TypeDescription const & member, bool setter,
std::vector< BinaryAny > const & inArguments, BinaryAny * returnValue,
std::vector< BinaryAny > * outArguments);
// Only called from reader_ thread:
void sendRequestChangeRequest();
// Only called from reader_ thread:
void handleRequestChangeReply(
bool exception, BinaryAny const & returnValue);
// Only called from reader_ thread:
void handleCommitChangeReply(bool exception, BinaryAny const & returnValue);
// Only called from reader_ thread:
void handleRequestChangeRequest(
rtl::ByteSequence const & tid,
std::vector< BinaryAny > const & inArguments);
// Only called from reader_ thread:
void handleCommitChangeRequest(
rtl::ByteSequence const & tid,
std::vector< BinaryAny > const & inArguments);
OutgoingRequest lastOutgoingRequest(rtl::ByteSequence const & tid);
bool isProtocolPropertiesRequest(
std::u16string_view oid,
com::sun::star::uno::TypeDescription const & type) const;
void setCurrentContextMode();
bool isCurrentContextMode();
private:
Bridge(const Bridge&) = delete;
Bridge& operator=(const Bridge&) = delete;
virtual ~Bridge() override;
virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface >
SAL_CALL getInstance(OUString const & sInstanceName) override;
virtual OUString SAL_CALL getName() override;
virtual OUString SAL_CALL getDescription() override;
virtual void SAL_CALL dispose() override;
virtual void SAL_CALL addEventListener(
com::sun::star::uno::Reference< com::sun::star::lang::XEventListener >
const & xListener) override;
virtual void SAL_CALL removeEventListener(
com::sun::star::uno::Reference< com::sun::star::lang::XEventListener >
const & aListener) override;
// Only called from reader_ thread:
void sendCommitChangeRequest();
// Only called from reader_ thread:
void sendProtPropRequest(
OutgoingRequest::Kind kind,
std::vector< BinaryAny > const & inArguments);
void makeReleaseCall(
OUString const & oid,
com::sun::star::uno::TypeDescription const & type);
void sendRequest(
rtl::ByteSequence const & tid, OUString const & oid,
com::sun::star::uno::TypeDescription const & type,
com::sun::star::uno::TypeDescription const & member,
std::vector< BinaryAny > const & inArguments);
void throwException(bool exception, BinaryAny const & value);
com::sun::star::uno::Any mapBinaryToCppAny(BinaryAny const & binaryAny);
bool becameUnused() const;
void terminateWhenUnused(bool unused);
// Must only be called with mutex_ locked:
void checkDisposed();
typedef
std::vector<
com::sun::star::uno::Reference<
com::sun::star::lang::XEventListener > >
Listeners;
struct SubStub;
typedef std::map< com::sun::star::uno::TypeDescription, SubStub > Stub;
typedef std::map< OUString, Stub > Stubs;
enum State { STATE_INITIAL, STATE_STARTED, STATE_TERMINATED, STATE_FINAL };
enum Mode {
MODE_REQUESTED, MODE_REPLY_MINUS1, MODE_REPLY_0, MODE_REPLY_1,
MODE_WAIT, MODE_NORMAL, MODE_NORMAL_WAIT };
rtl::Reference< BridgeFactory > factory_;
OUString name_;
com::sun::star::uno::Reference< com::sun::star::connection::XConnection >
connection_;
com::sun::star::uno::Reference< com::sun::star::bridge::XInstanceProvider >
provider_;
com::sun::star::uno::Environment binaryUno_;
com::sun::star::uno::Mapping cppToBinaryMapping_;
com::sun::star::uno::Mapping binaryToCppMapping_;
rtl::ByteSequence protPropTid_;
OUString protPropOid_;
com::sun::star::uno::TypeDescription protPropType_;
com::sun::star::uno::TypeDescription protPropRequest_;
com::sun::star::uno::TypeDescription protPropCommit_;
OutgoingRequests outgoingRequests_;
osl::Condition passive_;
// to guarantee that passive_ is eventually set (to avoid deadlock, see
// dispose), activeCalls_ only counts those calls for which it can be
// guaranteed that incrementActiveCalls is indeed followed by
// decrementActiveCalls, without an intervening exception
osl::Condition terminated_;
osl::Mutex mutex_;
State state_;
Listeners listeners_;
uno_ThreadPool threadPool_;
rtl::Reference< Writer > writer_;
rtl::Reference< Reader > reader_;
bool currentContextMode_;
Stubs stubs_;
std::size_t proxies_;
std::size_t calls_;
bool normalCall_;
std::size_t activeCalls_;
// Only accessed from reader_ thread:
Mode mode_;
sal_Int32 random_;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
