Newer
Older
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
/*
* This file is part of IPAACA, the
* "Incremental Processing Architecture
* for Artificial Conversational Agents".
*
* Copyright (c) 2009-2015 Social Cognitive Systems Group
* (formerly the Sociable Agents Group)
* CITEC, Bielefeld University
*
* http://opensource.cit-ec.de/projects/ipaaca/
* http://purl.org/net/ipaaca
*
* This file may be licensed under the terms of of the
* GNU Lesser General Public License Version 3 (the ``LGPL''),
* or (at your option) any later version.
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the LGPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the LGPL along with this
* program. If not, go to http://www.gnu.org/licenses/lgpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The development of this software was supported by the
* Excellence Cluster EXC 277 Cognitive Interaction Technology.
* The Excellence Cluster EXC 277 is a grant of the Deutsche
* Forschungsgemeinschaft (DFG) in the context of the German
* Excellence Initiative.
*/
#include <ipaaca/ipaaca.h>
#define VERBOSE_HANDLERS 0 // remove later
namespace ipaaca {
using namespace rsb;
using namespace rsb::filter;
using namespace rsb::converter;
using namespace rsb::patterns;
IPAACA_EXPORT std::ostream& operator<<(std::ostream& os, const SmartLinkMap& obj)//{{{
{
os << "{";
bool first = true;
for (LinkMap::const_iterator it=obj._links.begin(); it!=obj._links.end(); ++it) {
if (first) { first=false; } else { os << ", "; }
os << "'" << it->first << "': [";
bool firstinner = true;
for (LinkSet::const_iterator it2=it->second.begin(); it2!=it->second.end(); ++it2) {
if (firstinner) { firstinner=false; } else { os << ", "; }
os << "'" << *it2 << "'";
}
os << "]";
}
os << "}";
return os;
}
//}}}
IPAACA_EXPORT std::ostream& operator<<(std::ostream& os, const IUPayloadUpdate& obj)//{{{
{
os << "PayloadUpdate(uid=" << obj.uid << ", revision=" << obj.revision;
os << ", writer_name=" << obj.writer_name << ", is_delta=" << (obj.is_delta?"True":"False");
os << ", new_items = {";
bool first = true;
for (std::map<std::string, std::string>::const_iterator it=obj.new_items.begin(); it!=obj.new_items.end(); ++it) {
if (first) { first=false; } else { os << ", "; }
os << "'" << it->first << "':'" << it->second << "'";
}
os << "}, keys_to_remove = [";
first = true;
for (std::vector<std::string>::const_iterator it=obj.keys_to_remove.begin(); it!=obj.keys_to_remove.end(); ++it) {
if (first) { first=false; } else { os << ", "; }
os << "'" << *it << "'";
}
os << "])";
return os;
}
//}}}
IPAACA_EXPORT std::ostream& operator<<(std::ostream& os, const IULinkUpdate& obj)//{{{
{
os << "LinkUpdate(uid=" << obj.uid << ", revision=" << obj.revision;
os << ", writer_name=" << obj.writer_name << ", is_delta=" << (obj.is_delta?"True":"False");
os << ", new_links = {";
bool first = true;
for (std::map<std::string, std::set<std::string> >::const_iterator it=obj.new_links.begin(); it!=obj.new_links.end(); ++it) {
if (first) { first=false; } else { os << ", "; }
os << "'" << it->first << "': [";
bool ffirst = true;
for (std::set<std::string>::const_iterator it2=it->second.begin(); it2!=it->second.end(); ++it2) {
if (ffirst) { ffirst=false; } else { os << ", "; }
os << "'" << *it2 << "'";
}
os << "]";
}
os << "}, links_to_remove = {";
first = true;
for (std::map<std::string, std::set<std::string> >::const_iterator it=obj.links_to_remove.begin(); it!=obj.links_to_remove.end(); ++it) {
if (first) { first=false; } else { os << ", "; }
os << "'" << it->first << "': [";
bool ffirst = true;
for (std::set<std::string>::const_iterator it2=it->second.begin(); it2!=it->second.end(); ++it2) {
if (ffirst) { ffirst=false; } else { os << ", "; }
os << "'" << *it2 << "'";
}
os << "]";
}
os << "})";
return os;
}
//}}}
// SmartLinkMap//{{{
IPAACA_EXPORT LinkSet SmartLinkMap::empty_link_set;
IPAACA_EXPORT void SmartLinkMap::_add_and_remove_links(const LinkMap& add, const LinkMap& remove)
{
// remove specified links
for (LinkMap::const_iterator it = remove.begin(); it != remove.end(); ++it ) {
// if link type exists
if (_links.count(it->first) > 0) {
// remove one by one
for (LinkSet::const_iterator it2=it->second.begin(); it2!=it->second.end(); ++it2) {
_links[it->first].erase(*it2);
}
// wipe the type key if no more links are left
if (_links[it->first].size() == 0) {
_links.erase(it->first);
}
}
}
// add specified links
for (LinkMap::const_iterator it = add.begin(); it != add.end(); ++it ) {
for (LinkSet::const_iterator it2=it->second.begin(); it2!=it->second.end(); ++it2) {
_links[it->first].insert(*it2);
}
}
}
IPAACA_EXPORT void SmartLinkMap::_replace_links(const LinkMap& links)
{
//_links.clear();
_links=links;
}
IPAACA_EXPORT const LinkSet& SmartLinkMap::get_links(const std::string& key)
{
LinkMap::const_iterator it = _links.find(key);
if (it==_links.end()) return empty_link_set;
return it->second;
}
IPAACA_EXPORT const LinkMap& SmartLinkMap::get_all_links()
{
return _links;
}
//}}}
// IUEventHandler//{{{
IPAACA_EXPORT IUEventHandler::IUEventHandler(IUEventHandlerFunction function, IUEventType event_mask, const std::string& category)
: _function(function), _event_mask(event_mask), _for_all_categories(false)
{
if (category=="") {
_for_all_categories = true;
} else {
_categories.insert(category);
}
}
IPAACA_EXPORT IUEventHandler::IUEventHandler(IUEventHandlerFunction function, IUEventType event_mask, const std::set<std::string>& categories)
: _function(function), _event_mask(event_mask), _for_all_categories(false)
{
if (categories.size()==0) {
_for_all_categories = true;
} else {
_categories = categories;
}
}
IPAACA_EXPORT void IUEventHandler::call(Buffer* buffer, boost::shared_ptr<IUInterface> iu, bool local, IUEventType event_type, const std::string& category)
{
if (_condition_met(event_type, category)) {
//IUInterface::ptr iu = buffer->get(uid);
//if (iu) {
#if VERBOSE_HANDLERS == 1
std::cout << "[" << pthread_self() << " handler ENTER]" << std::endl;
#endif
_function(iu, event_type, local);
#if VERBOSE_HANDLERS == 1
std::cout << "[" << pthread_self() << " handler EXIT]" << std::endl;
#endif
//}
}
}
//}}}
// Buffer//{{{
IPAACA_EXPORT void Buffer::_allocate_unique_name(const std::string& basename, const std::string& function) {
std::string uuid = ipaaca::generate_uuid_string();
_basename = basename;
_uuid = uuid.substr(0,8);
_unique_name = "/ipaaca/component/" + _basename + "ID" + _uuid + "/" + function;
}
IPAACA_EXPORT void Buffer::register_handler(IUEventHandlerFunction function, IUEventType event_mask, const std::set<std::string>& categories)
{
std::cout << "register_handler " << function << " " << event_mask << " " << categories << std::endl;
IUEventHandler::ptr handler = IUEventHandler::ptr(new IUEventHandler(function, event_mask, categories));
_event_handlers.push_back(handler);
}
IPAACA_EXPORT void Buffer::register_handler(IUEventHandlerFunction function, IUEventType event_mask, const std::string& category)
{
std::cout << "register_handler " << function << " " << event_mask << " " << category << std::endl;
IUEventHandler::ptr handler = IUEventHandler::ptr(new IUEventHandler(function, event_mask, category));
_event_handlers.push_back(handler);
}
IPAACA_EXPORT void Buffer::call_iu_event_handlers(boost::shared_ptr<IUInterface> iu, bool local, IUEventType event_type, const std::string& category)
{
Ramin Yaghoubzadeh Torky
committed
//IPAACA_INFO("handling an event " << ipaaca::iu_event_type_to_str(event_type) << " for IU " << iu->uid())
//std::cout << "handling an event " << ipaaca::iu_event_type_to_str(event_type) << " for IU " << iu->uid() << std::endl;
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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
for (std::vector<IUEventHandler::ptr>::iterator it = _event_handlers.begin(); it != _event_handlers.end(); ++it) {
(*it)->call(this, iu, local, event_type, category);
}
}
//}}}
// Callbacks for OutputBuffer//{{{
IPAACA_EXPORT CallbackIUPayloadUpdate::CallbackIUPayloadUpdate(Buffer* buffer): _buffer(buffer) { }
IPAACA_EXPORT CallbackIULinkUpdate::CallbackIULinkUpdate(Buffer* buffer): _buffer(buffer) { }
IPAACA_EXPORT CallbackIUCommission::CallbackIUCommission(Buffer* buffer): _buffer(buffer) { }
// dlw
IPAACA_EXPORT CallbackIUResendRequest::CallbackIUResendRequest(Buffer* buffer): _buffer(buffer) { }
IPAACA_EXPORT boost::shared_ptr<int> CallbackIUPayloadUpdate::call(const std::string& methodName, boost::shared_ptr<IUPayloadUpdate> update)
{
//std::cout << "-- Received a modify_payload with " << update->new_items.size() << " keys to merge." << std::endl;
IUInterface::ptr iui = _buffer->get(update->uid);
if (! iui) {
IPAACA_WARNING("Remote InBuffer tried to spuriously write non-existent IU " << update->uid)
return boost::shared_ptr<int>(new int(0));
}
IU::ptr iu = boost::static_pointer_cast<IU>(iui);
iu->_revision_lock.lock();
if ((update->revision != 0) && (update->revision != iu->_revision)) {
IPAACA_INFO("Remote write operation failed because request was out of date; IU " << update->uid)
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(0));
}
if (update->is_delta) {
// FIXME FIXME this is an unsolved problem atm: deletes in a delta update are
// sent individually. We should have something like _internal_merge_and_remove
for (std::vector<std::string>::const_iterator it=update->keys_to_remove.begin(); it!=update->keys_to_remove.end(); ++it) {
iu->payload()._internal_remove(*it, update->writer_name); //_buffer->unique_name());
}
// but it is solved for pure merges:
iu->payload()._internal_merge(update->new_items, update->writer_name);
} else {
iu->payload()._internal_replace_all(update->new_items, update->writer_name); //_buffer->unique_name());
}
//std::cout << "-- Calling update handler due to remote write." << std::endl;
_buffer->call_iu_event_handlers(iu, true, IU_UPDATED, iu->category());
revision_t revision = iu->revision();
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(revision));
}
IPAACA_EXPORT boost::shared_ptr<int> CallbackIULinkUpdate::call(const std::string& methodName, boost::shared_ptr<IULinkUpdate> update)
{
IUInterface::ptr iui = _buffer->get(update->uid);
if (! iui) {
IPAACA_WARNING("Remote InBuffer tried to spuriously write non-existent IU " << update->uid)
return boost::shared_ptr<int>(new int(0));
}
IU::ptr iu = boost::static_pointer_cast<IU>(iui);
iu->_revision_lock.lock();
if ((update->revision != 0) && (update->revision != iu->_revision)) {
IPAACA_INFO("Remote write operation failed because request was out of date; IU " << update->uid)
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(0));
}
if (update->is_delta) {
iu->modify_links(update->new_links, update->links_to_remove, update->writer_name);
} else {
iu->set_links(update->new_links, update->writer_name);
}
_buffer->call_iu_event_handlers(iu, true, IU_LINKSUPDATED, iu->category());
revision_t revision = iu->revision();
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(revision));
}
IPAACA_EXPORT boost::shared_ptr<int> CallbackIUCommission::call(const std::string& methodName, boost::shared_ptr<protobuf::IUCommission> update)
{
IUInterface::ptr iui = _buffer->get(update->uid());
if (! iui) {
IPAACA_WARNING("Remote InBuffer tried to spuriously write non-existent IU " << update->uid())
return boost::shared_ptr<int>(new int(0));
}
IU::ptr iu = boost::static_pointer_cast<IU>(iui);
iu->_revision_lock.lock();
if ((update->revision() != 0) && (update->revision() != iu->_revision)) {
IPAACA_INFO("Remote write operation failed because request was out of date; IU " << update->uid())
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(0));
}
if (iu->committed()) {
return boost::shared_ptr<int>(new int(0));
} else {
}
iu->_internal_commit(update->writer_name());
_buffer->call_iu_event_handlers(iu, true, IU_LINKSUPDATED, iu->category());
revision_t revision = iu->revision();
iu->_revision_lock.unlock();
return boost::shared_ptr<int>(new int(revision));
}
/** dlw */
IPAACA_EXPORT boost::shared_ptr<int> CallbackIUResendRequest::call(const std::string& methodName, boost::shared_ptr<protobuf::IUResendRequest> update)
{
IUInterface::ptr iui = _buffer->get(update->uid());
if (! iui) {
IPAACA_WARNING("Remote InBuffer tried to spuriously write non-existent IU " << update->uid())
return boost::shared_ptr<int>(new int(0));
}
IU::ptr iu = boost::static_pointer_cast<IU>(iui);
if ((update->has_hidden_scope_name() == true)&&(update->hidden_scope_name().compare("") != 0)){
//_buffer->call_iu_event_handlers(iu, true, IU_UPDATED, update->hidden_scope_name());
revision_t revision = iu->revision();
iu->_publish_resend(iu, update->hidden_scope_name());
return boost::shared_ptr<int>(new int(revision));
} else {
revision_t revision = 0;
return boost::shared_ptr<int>(new int(revision));
}
}
//}}}
// OutputBuffer//{{{
IPAACA_EXPORT OutputBuffer::OutputBuffer(const std::string& basename, const std::string& channel)
:Buffer(basename, "OB")
{
//IPAACA_INFO("Entering ...")
_id_prefix = _basename + "-" + _uuid + "-IU-";
_channel = channel;
_initialize_server();
//IPAACA_INFO("... exiting.")
}
IPAACA_EXPORT void OutputBuffer::_initialize_server()
{
//IPAACA_INFO("Entering ...")
//IPAACA_INFO("Calling createServer(\"" << _unique_name << "\")")
_server = getFactory().createServer( Scope( _unique_name ) );
//IPAACA_INFO("Registering methods")
_server->registerMethod("updatePayload", Server::CallbackPtr(new CallbackIUPayloadUpdate(this)));
_server->registerMethod("updateLinks", Server::CallbackPtr(new CallbackIULinkUpdate(this)));
_server->registerMethod("commit", Server::CallbackPtr(new CallbackIUCommission(this)));
// dlw
_server->registerMethod("resendRequest", Server::CallbackPtr(new CallbackIUResendRequest(this)));
//IPAACA_INFO("... exiting.")
}
IPAACA_EXPORT OutputBuffer::ptr OutputBuffer::create(const std::string& basename)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return OutputBuffer::ptr(new OutputBuffer(basename));
}
IPAACA_EXPORT IUInterface::ptr OutputBuffer::get(const std::string& iu_uid)
{
IUStore::iterator it = _iu_store.find(iu_uid);
if (it==_iu_store.end()) return IUInterface::ptr();
return it->second;
}
IPAACA_EXPORT std::set<IUInterface::ptr> OutputBuffer::get_ius()
{
std::set<IUInterface::ptr> set;
for (IUStore::iterator it=_iu_store.begin(); it!=_iu_store.end(); ++it) set.insert(it->second);
return set;
}
IPAACA_EXPORT void OutputBuffer::_send_iu_link_update(IUInterface* iu, bool is_delta, revision_t revision, const LinkMap& new_links, const LinkMap& links_to_remove, const std::string& writer_name)
{
IULinkUpdate* lup = new ipaaca::IULinkUpdate();
Informer<ipaaca::IULinkUpdate>::DataPtr ldata(lup);
lup->uid = iu->uid();
lup->is_delta = is_delta;
lup->revision = revision;
lup->is_delta = true;
lup->new_links = new_links;
if (is_delta) lup->links_to_remove = links_to_remove;
if (writer_name=="") lup->writer_name = _unique_name;
else lup->writer_name = writer_name;
Informer<AnyType>::Ptr informer = _get_informer(iu->category());
informer->publish(ldata);
}
IPAACA_EXPORT void OutputBuffer::_send_iu_payload_update(IUInterface* iu, bool is_delta, revision_t revision, const std::map<std::string, std::string>& new_items, const std::vector<std::string>& keys_to_remove, const std::string& writer_name)
{
IUPayloadUpdate* pup = new ipaaca::IUPayloadUpdate();
Informer<ipaaca::IUPayloadUpdate>::DataPtr pdata(pup);
pup->uid = iu->uid();
pup->is_delta = is_delta;
pup->revision = revision;
pup->new_items = new_items;
if (is_delta) pup->keys_to_remove = keys_to_remove;
if (writer_name=="") pup->writer_name = _unique_name;
else pup->writer_name = writer_name;
Informer<AnyType>::Ptr informer = _get_informer(iu->category());
informer->publish(pdata);
}
IPAACA_EXPORT void OutputBuffer::_send_iu_commission(IUInterface* iu, revision_t revision, const std::string& writer_name)
{
Informer<protobuf::IUCommission>::DataPtr data(new protobuf::IUCommission());
data->set_uid(iu->uid());
data->set_revision(revision);
if (writer_name=="") data->set_writer_name(_unique_name);
else data->set_writer_name(writer_name);
Informer<AnyType>::Ptr informer = _get_informer(iu->category());
informer->publish(data);
}
IPAACA_EXPORT void OutputBuffer::add(IU::ptr iu)
{
if (_iu_store.count(iu->uid()) > 0) {
throw IUPublishedError();
}
if (iu->is_published()) {
throw IUPublishedError();
}
if (iu->access_mode() != IU_ACCESS_MESSAGE) {
// (for Message-type IUs: do not actually store them)
_iu_store[iu->uid()] = iu;
}
iu->_associate_with_buffer(this); //shared_from_this());
_publish_iu(iu);
}
IPAACA_EXPORT void OutputBuffer::_publish_iu(IU::ptr iu)
{
Informer<AnyType>::Ptr informer = _get_informer(iu->_category);
Informer<ipaaca::IU>::DataPtr iu_data(iu);
informer->publish(iu_data);
}
IPAACA_EXPORT void OutputBuffer::_publish_iu_resend(IU::ptr iu, const std::string& hidden_scope_name)
{
Informer<AnyType>::Ptr informer = _get_informer(hidden_scope_name);
Informer<ipaaca::IU>::DataPtr iu_data(iu);
informer->publish(iu_data);
}
IPAACA_EXPORT Informer<AnyType>::Ptr OutputBuffer::_get_informer(const std::string& category)
{
if (_informer_store.count(category) > 0) {
return _informer_store[category];
} else {
//IPAACA_INFO("Making new informer for category " << category)
std::string scope_string = "/ipaaca/channel/" + _channel + "/category/" + category;
Informer<AnyType>::Ptr informer = getFactory().createInformer<AnyType> ( Scope(scope_string));
_informer_store[category] = informer;
return informer;
}
}
IPAACA_EXPORT boost::shared_ptr<IU> OutputBuffer::remove(const std::string& iu_uid)
{
IUStore::iterator it = _iu_store.find(iu_uid);
if (it == _iu_store.end()) {
IPAACA_WARNING("Removal of IU " << iu_uid << " requested, but not present in our OutputBuffer")
//throw IUNotFoundError();
}
IU::ptr iu = it->second;
_retract_iu(iu);
_iu_store.erase(iu_uid);
return iu;
}
IPAACA_EXPORT boost::shared_ptr<IU> OutputBuffer::remove(IU::ptr iu)
{
return remove(iu->uid()); // to make sure it is in the store
}
IPAACA_EXPORT void OutputBuffer::_retract_iu(IU::ptr iu)
{
Informer<protobuf::IURetraction>::DataPtr data(new protobuf::IURetraction());
data->set_uid(iu->uid());
data->set_revision(iu->revision());
Informer<AnyType>::Ptr informer = _get_informer(iu->category());
informer->publish(data);
}
//}}}
// InputBuffer//{{{
IPAACA_EXPORT InputBuffer::InputBuffer(const BufferConfiguration& bufferconfiguration)
:Buffer(bufferconfiguration.get_basename(), "IB")
{
_channel = bufferconfiguration.get_channel();
for (std::vector<std::string>::const_iterator it=bufferconfiguration.get_category_interests().begin(); it!=bufferconfiguration.get_category_interests().end(); ++it) {
_create_category_listener_if_needed(*it);
}
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::set<std::string>& category_interests)
:Buffer(basename, "IB")
{
_channel = "default";
for (std::set<std::string>::const_iterator it=category_interests.begin(); it!=category_interests.end(); ++it) {
_create_category_listener_if_needed(*it);
}
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::vector<std::string>& category_interests)
:Buffer(basename, "IB")
{
_channel = "default";
for (std::vector<std::string>::const_iterator it=category_interests.begin(); it!=category_interests.end(); ++it) {
_create_category_listener_if_needed(*it);
}
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::string& category_interest1)
:Buffer(basename, "IB")
{
_channel = "default";
_create_category_listener_if_needed(category_interest1);
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2)
:Buffer(basename, "IB")
{
_channel = "default";
_create_category_listener_if_needed(category_interest1);
_create_category_listener_if_needed(category_interest2);
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2, const std::string& category_interest3)
:Buffer(basename, "IB")
{
_channel = "default";
_create_category_listener_if_needed(category_interest1);
_create_category_listener_if_needed(category_interest2);
_create_category_listener_if_needed(category_interest3);
_create_category_listener_if_needed(_uuid);
triggerResend = false;
}
IPAACA_EXPORT InputBuffer::InputBuffer(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2, const std::string& category_interest3, const std::string& category_interest4)
:Buffer(basename, "IB")
{
_channel = "default";
_create_category_listener_if_needed(category_interest1);
_create_category_listener_if_needed(category_interest2);
_create_category_listener_if_needed(category_interest3);
_create_category_listener_if_needed(category_interest4);
_create_category_listener_if_needed(_uuid);
triggerResend = false;
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const BufferConfiguration& bufferconfiguration)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(bufferconfiguration));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::set<std::string>& category_interests)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interests));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::vector<std::string>& category_interests)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interests));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::string& category_interest1)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interest1));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interest1, category_interest2));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2, const std::string& category_interest3)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interest1, category_interest2, category_interest3));
}
IPAACA_EXPORT InputBuffer::ptr InputBuffer::create(const std::string& basename, const std::string& category_interest1, const std::string& category_interest2, const std::string& category_interest3, const std::string& category_interest4)
{
Initializer::initialize_ipaaca_rsb_if_needed();
return InputBuffer::ptr(new InputBuffer(basename, category_interest1, category_interest2, category_interest3, category_interest4));
}
IPAACA_EXPORT void InputBuffer::set_resend(bool resendActive)
{
triggerResend = resendActive;
}
IPAACA_EXPORT bool InputBuffer::get_resend()
{
return triggerResend;
}
IPAACA_EXPORT IUInterface::ptr InputBuffer::get(const std::string& iu_uid)
{
RemotePushIUStore::iterator it = _iu_store.find(iu_uid); // TODO genericize
if (it==_iu_store.end()) return IUInterface::ptr();
return it->second;
}
IPAACA_EXPORT std::set<IUInterface::ptr> InputBuffer::get_ius()
{
std::set<IUInterface::ptr> set;
for (RemotePushIUStore::iterator it=_iu_store.begin(); it!=_iu_store.end(); ++it) set.insert(it->second); // TODO genericize
return set;
}
IPAACA_EXPORT RemoteServerPtr InputBuffer::_get_remote_server(const std::string& unique_server_name)
{
std::map<std::string, RemoteServerPtr>::iterator it = _remote_server_store.find(unique_server_name);
if (it!=_remote_server_store.end()) return it->second;
RemoteServerPtr remote_server = getFactory().createRemoteServer(Scope(unique_server_name));
_remote_server_store[unique_server_name] = remote_server;
return remote_server;
}
IPAACA_EXPORT ListenerPtr InputBuffer::_create_category_listener_if_needed(const std::string& category)
{
IPAACA_INFO("Entering ...")
std::map<std::string, ListenerPtr>::iterator it = _listener_store.find(category);
if (it!=_listener_store.end()) {
IPAACA_INFO("... exiting.")
return it->second;
}
//IPAACA_INFO("Creating a new listener for category " << category)
std::string scope_string = "/ipaaca/channel/" + _channel + "/category/" + category;
ListenerPtr listener = getFactory().createListener( Scope(scope_string) );
IPAACA_INFO("Adding handler")
HandlerPtr event_handler = HandlerPtr(
new EventFunctionHandler(
boost::bind(&InputBuffer::_handle_iu_events, this, _1)
)
);
listener->addHandler(event_handler);
_listener_store[category] = listener;
IPAACA_INFO("... exiting.")
return listener;
}
IPAACA_EXPORT void InputBuffer::_trigger_resend_request(EventPtr event) {
if (!triggerResend)
return;
std::string type = event->getType();
std::string uid = "";
std::string writerName = "";
if (type == "ipaaca::IUPayloadUpdate") {
boost::shared_ptr<IUPayloadUpdate> update = boost::static_pointer_cast<IUPayloadUpdate>(event->getData());
uid = update->uid;
writerName = update->writer_name;
} else if (type == "ipaaca::IULinkUpdate") {
boost::shared_ptr<IULinkUpdate> update = boost::static_pointer_cast<IULinkUpdate>(event->getData());
uid = update->uid;
writerName = update->writer_name;
} else if (type == "ipaaca::protobuf::IUCommission") {
boost::shared_ptr<protobuf::IUCommission> update = boost::static_pointer_cast<protobuf::IUCommission>(event->getData());
uid = update->uid();
writerName = update->writer_name();
} else {
std::cout << "trigger ??? else" << std::endl;
}
if (!writerName.empty()) {
RemoteServerPtr server = _get_remote_server(writerName);
if (!uid.empty()) {
boost::shared_ptr<protobuf::IUResendRequest> update = boost::shared_ptr<protobuf::IUResendRequest>(new protobuf::IUResendRequest());
update->set_uid(uid);
update->set_hidden_scope_name(_uuid);
boost::shared_ptr<int> result = server->call<int>("resendRequest", update, IPAACA_REMOTE_SERVER_TIMEOUT);
if (*result == 0) {
throw IUResendRequestFailedError();
} else {
std::cout << "revision " << *result << std::endl;
}
}
}
}
IPAACA_EXPORT void InputBuffer::_handle_iu_events(EventPtr event)
{
std::cout << "handle iu events" << std::endl;
std::string type = event->getType();
if (type == "ipaaca::RemotePushIU") {
boost::shared_ptr<RemotePushIU> iu = boost::static_pointer_cast<RemotePushIU>(event->getData());
if (_iu_store.count(iu->category()) > 0) {
// already got the IU... ignore
} else {
_iu_store[iu->uid()] = iu;
iu->_set_buffer(this);
call_iu_event_handlers(iu, false, IU_ADDED, iu->category() );
}
//IPAACA_INFO( "New RemotePushIU state: " << (*iu) )
} else if (type == "ipaaca::RemoteMessage") {
boost::shared_ptr<RemoteMessage> iu = boost::static_pointer_cast<RemoteMessage>(event->getData());
//_iu_store[iu->uid()] = iu;
//iu->_set_buffer(this);
//std::cout << "REFCNT after cast, before calling handlers: " << iu.use_count() << std::endl;
call_iu_event_handlers(iu, false, IU_MESSAGE, iu->category() );
//_iu_store.erase(iu->uid());
} else {
RemotePushIUStore::iterator it;
if (type == "ipaaca::IUPayloadUpdate") {
boost::shared_ptr<IUPayloadUpdate> update = boost::static_pointer_cast<IUPayloadUpdate>(event->getData());
//IPAACA_INFO("** writer name: " << update->writer_name)
std::cout << "writer name " << update->writer_name << std::endl;
if (update->writer_name == _unique_name) {
return;
}
it = _iu_store.find(update->uid);
if (it == _iu_store.end()) {
_trigger_resend_request(event);
IPAACA_INFO("Using UPDATED message for an IU that we did not fully receive before")
return;
}
it->second->_apply_update(update);
call_iu_event_handlers(it->second, false, IU_UPDATED, it->second->category() );
} else if (type == "ipaaca::IULinkUpdate") {
boost::shared_ptr<IULinkUpdate> update = boost::static_pointer_cast<IULinkUpdate>(event->getData());
if (update->writer_name == _unique_name) {
return;
}
it = _iu_store.find(update->uid);
if (it == _iu_store.end()) {
_trigger_resend_request(event);
IPAACA_INFO("Ignoring LINKSUPDATED message for an IU that we did not fully receive before")
return;
}
it->second->_apply_link_update(update);
call_iu_event_handlers(it->second, false, IU_LINKSUPDATED, it->second->category() );
} else if (type == "ipaaca::protobuf::IUCommission") {
boost::shared_ptr<protobuf::IUCommission> update = boost::static_pointer_cast<protobuf::IUCommission>(event->getData());
if (update->writer_name() == _unique_name) {
return;
}
it = _iu_store.find(update->uid());
if (it == _iu_store.end()) {
_trigger_resend_request(event);
IPAACA_INFO("Ignoring COMMITTED message for an IU that we did not fully receive before")
return;
}
//
it->second->_apply_commission();
it->second->_revision = update->revision();
call_iu_event_handlers(it->second, false, IU_COMMITTED, it->second->category() );
//
//
} else if (type == "ipaaca::protobuf::IURetraction") {
boost::shared_ptr<protobuf::IURetraction> update = boost::static_pointer_cast<protobuf::IURetraction>(event->getData());
it = _iu_store.find(update->uid());
if (it == _iu_store.end()) {
_trigger_resend_request(event);
IPAACA_INFO("Ignoring RETRACTED message for an IU that we did not fully receive before")
return;
}
//
it->second->_revision = update->revision();
it->second->_apply_retraction();
// remove from InputBuffer FIXME: this is a crossover between retracted and deleted behavior
_iu_store.erase(it->first);
// and call the handler. IU reference is still valid for this call, although removed from buffer.
call_iu_event_handlers(it->second, false, IU_COMMITTED, it->second->category() );
//
} else {
std::cout << "(Unhandled Event type " << type << " !)" << std::endl;
return;
}
//IPAACA_INFO( "New RemotePushIU state: " << *(it->second) )
}
}
//}}}
} // of namespace ipaaca