1 | /* -*-c++-*- osgVisual - Copyright (C) 2009-2011 Torben Dannhauer |
---|
2 | * |
---|
3 | * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under |
---|
4 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
---|
5 | * (at your option) any later version. The full license is in LICENSE file |
---|
6 | * included with this distribution, and on the openscenegraph.org website. |
---|
7 | * |
---|
8 | * osgVisual requires for some proprietary modules a license from the correspondig manufacturer. |
---|
9 | * You have to aquire licenses for all used proprietary modules. |
---|
10 | * |
---|
11 | * This library is distributed in the hope that it will be useful, |
---|
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
14 | * OpenSceneGraph Public License for more details. |
---|
15 | */ |
---|
16 | |
---|
17 | #include "dataIO_clusterENet.h" |
---|
18 | |
---|
19 | using namespace osgVisual; |
---|
20 | |
---|
21 | dataIO_clusterENet::dataIO_clusterENet() |
---|
22 | { |
---|
23 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet constructed" << std::endl; |
---|
24 | |
---|
25 | serverToConnect = "unknown"; |
---|
26 | hardSync = false; // integrate into init() |
---|
27 | port = 12345; // integrate into init() |
---|
28 | } |
---|
29 | |
---|
30 | |
---|
31 | dataIO_clusterENet::~dataIO_clusterENet(void) |
---|
32 | { |
---|
33 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet destructed" << std::endl; |
---|
34 | } |
---|
35 | |
---|
36 | |
---|
37 | bool dataIO_clusterENet::init(xmlNode* configurationNode, osgViewer::Viewer* viewer_, clustermode clusterMode_, osgVisual::dataIO_transportContainer* sendContainer_, bool asAscii_) |
---|
38 | { |
---|
39 | if (!configurationNode || !processXMLConfiguration(configurationNode)) |
---|
40 | return false; |
---|
41 | |
---|
42 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet init();" << std::endl; |
---|
43 | |
---|
44 | // Store viewer |
---|
45 | viewer = viewer_; |
---|
46 | |
---|
47 | // Configure the clustermode |
---|
48 | clusterMode = clusterMode_; |
---|
49 | |
---|
50 | // store sendContainer |
---|
51 | sendContainer = sendContainer_; |
---|
52 | |
---|
53 | // Configure Compression and instantiate read/write-options |
---|
54 | std::string readOptionString = ""; |
---|
55 | std::string writeOptionString = ""; |
---|
56 | if(asAscii_) |
---|
57 | { |
---|
58 | readOptionString = "Ascii"; |
---|
59 | writeOptionString = "Ascii"; |
---|
60 | } |
---|
61 | if (compressionEnabled) |
---|
62 | writeOptionString+=" Compressor=zlib"; |
---|
63 | readOptions = new osgDB::Options( readOptionString.c_str() ); |
---|
64 | writeOptions = new osgDB::Options( writeOptionString.c_str() ); |
---|
65 | |
---|
66 | // Get ReaderWriter |
---|
67 | rw = osgDB::Registry::instance()->getReaderWriterForExtension("osgb"); |
---|
68 | |
---|
69 | // create ENet implementation object. |
---|
70 | enet_impl = new osgVisual::dataIO_clusterENet_implementation(receivedTransportContainer); |
---|
71 | |
---|
72 | // initialize ENet implementation |
---|
73 | if(clusterMode == MASTER) |
---|
74 | { |
---|
75 | std::cout << "Init dataIO_cluster_ENet as Server on port " << port << std::endl; |
---|
76 | enet_impl->init(dataIO_clusterENet_implementation::SERVER, port); |
---|
77 | |
---|
78 | initialized = true; |
---|
79 | } |
---|
80 | if(clusterMode == SLAVE) |
---|
81 | { |
---|
82 | // Init ENet |
---|
83 | enet_impl->init(dataIO_clusterENet_implementation::CLIENT, port); |
---|
84 | |
---|
85 | // Connect to server with 5 retries: |
---|
86 | bool connected = false; |
---|
87 | for(int i=0; i<5; i++) |
---|
88 | { |
---|
89 | std::cout << "Try to connect to server " << serverToConnect << std::endl; |
---|
90 | if( enet_impl->connectTo( serverToConnect.c_str(), 5000 ) ) |
---|
91 | { |
---|
92 | // Connect successful. |
---|
93 | initialized = true; |
---|
94 | connected = true; |
---|
95 | break; |
---|
96 | } |
---|
97 | } // For END |
---|
98 | if(!connected) |
---|
99 | { |
---|
100 | initialized = false; |
---|
101 | std::cout << "Finally failed to establish connection to server " << serverToConnect << std::endl; |
---|
102 | return false; |
---|
103 | } |
---|
104 | } // IF SLAVE END |
---|
105 | |
---|
106 | return true; |
---|
107 | } |
---|
108 | |
---|
109 | bool dataIO_clusterENet::processXMLConfiguration(xmlNode* clusterConfig_) |
---|
110 | { |
---|
111 | // Extract cluster role |
---|
112 | xmlAttr *attr = clusterConfig_->properties; |
---|
113 | while ( attr ) |
---|
114 | { |
---|
115 | std::string attr_name=reinterpret_cast<const char*>(attr->name); |
---|
116 | std::string attr_value=reinterpret_cast<const char*>(attr->children->content); |
---|
117 | if( attr_name == "implementation" ) |
---|
118 | { |
---|
119 | if(attr_value != "enet") |
---|
120 | { |
---|
121 | OSG_NOTIFY( osg::ALWAYS ) << "WARNING: Cluster configuration does not match the currently used 'enet' implementation, falling back to clusterDummy" << std::endl; |
---|
122 | return false; |
---|
123 | } |
---|
124 | } |
---|
125 | if( attr_name == "hardsync" ) |
---|
126 | { |
---|
127 | if(attr_value == "yes") |
---|
128 | hardSync = true; |
---|
129 | else |
---|
130 | hardSync = false; |
---|
131 | } |
---|
132 | if( attr_name == "master_ip" ) |
---|
133 | { |
---|
134 | serverToConnect = attr_value; |
---|
135 | } |
---|
136 | if( attr_name == "port" ) |
---|
137 | { |
---|
138 | std::istringstream i(attr_value); |
---|
139 | if (!(i >> port)) |
---|
140 | { |
---|
141 | OSG_NOTIFY( osg::ALWAYS ) << "WARNING: Cluster configuration : Invalid port number '" << attr_value << "', falling back to clusterDummy" << std::endl; |
---|
142 | return false; |
---|
143 | } |
---|
144 | } |
---|
145 | if( attr_name == "use_zlib_compressor" ) |
---|
146 | { |
---|
147 | if(attr_value == "yes") |
---|
148 | compressionEnabled = true; |
---|
149 | else |
---|
150 | compressionEnabled = false; |
---|
151 | } |
---|
152 | attr = attr->next; |
---|
153 | } // WHILE attrib END |
---|
154 | |
---|
155 | return true; |
---|
156 | } |
---|
157 | |
---|
158 | |
---|
159 | void dataIO_clusterENet::shutdown() |
---|
160 | { |
---|
161 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet shutdown();" << std::endl; |
---|
162 | } |
---|
163 | |
---|
164 | |
---|
165 | bool dataIO_clusterENet::sendTO_OBJvaluesToSlaves(osg::Matrixd viewMatrix_) |
---|
166 | { |
---|
167 | //OSG_NOTIFY( osg::ALWAYS ) << "clusterENet sendTO_OBJvaluesToSlaves()" << std::endl; |
---|
168 | |
---|
169 | if(sendContainer.valid()) |
---|
170 | { |
---|
171 | // Pack FrameID & Viewmatrix |
---|
172 | sendContainer->setFrameID(viewer->getFrameStamp()->getFrameNumber()); |
---|
173 | sendContainer->setViewMatrix(viewMatrix_); |
---|
174 | |
---|
175 | // Writing node to stream |
---|
176 | std::stringstream myOstream; |
---|
177 | if ( rw ) |
---|
178 | { |
---|
179 | osgDB::ReaderWriter::WriteResult wr = rw->writeObject( *sendContainer.get(), myOstream, writeOptions ); |
---|
180 | if (wr.success() ) |
---|
181 | { |
---|
182 | // Send Data via ENet: |
---|
183 | //OSG_NOTIFY( osg::ALWAYS ) << "dataIO_clusterUDP::sendTO_OBJvaluesToSlaves() - Bytes to send: " << myOstream.str().length() << std::endl; |
---|
184 | //OSG_NOTIFY( osg::ALWAYS ) << "Send: " << myOstream.str() << std::endl; |
---|
185 | //OSG_NOTIFY( osg::ALWAYS ) << "Sent Framenumber: " << viewer->getFrameStamp()->getFrameNumber() << std::endl; |
---|
186 | ENetPacket * packet = enet_packet_create (myOstream.str().c_str(), |
---|
187 | myOstream.str().size(), |
---|
188 | ENET_PACKET_FLAG_RELIABLE); |
---|
189 | |
---|
190 | // Send data |
---|
191 | enet_impl->sendPacket( packet, 0, 0, true); |
---|
192 | } |
---|
193 | else OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::sendTO_OBJvaluesToSlaves() :: Save failed: " << wr.message() << std::endl; |
---|
194 | } |
---|
195 | else OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::sendTO_OBJvaluesToSlaves() :: Unable to get readerWriter for osgb" << std::endl; |
---|
196 | } |
---|
197 | else OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::sendTO_OBJvaluesToSlaves() :: Invalid transportContainer" << std::endl; |
---|
198 | |
---|
199 | |
---|
200 | enet_impl->processEvents(); // As Master: process events AFTER doing anything to have up to have the "sent" commands in queue. |
---|
201 | return true; |
---|
202 | } |
---|
203 | |
---|
204 | |
---|
205 | bool dataIO_clusterENet::readTO_OBJvaluesFromMaster() |
---|
206 | { |
---|
207 | //OSG_NOTIFY( osg::ALWAYS ) << "clusterENet readTO_OBJvaluesFromMaster()" << std::endl; |
---|
208 | enet_impl->processEvents(); // As Slave: process events BEFORE doing anything to have up to date values. |
---|
209 | |
---|
210 | int bytes_received = receivedTransportContainer.size(); |
---|
211 | if (bytes_received > 0 ) |
---|
212 | { |
---|
213 | //OSG_NOTIFY( osg::ALWAYS ) << "dataIO_clusterENet::readTO_OBJvaluesFromMaster() - Bytes received: " << bytes_received << std::endl; |
---|
214 | //OSG_NOTIFY( osg::ALWAYS ) << "Received: " << std::endl << receivedTransportContainer << std::endl; |
---|
215 | |
---|
216 | |
---|
217 | // Unserialize data |
---|
218 | if ( rw ) |
---|
219 | { |
---|
220 | std::stringstream tmp; |
---|
221 | tmp << receivedTransportContainer; |
---|
222 | osgDB::ReaderWriter::ReadResult rr = rw->readObject( tmp, readOptions ); |
---|
223 | if (rr.success()) |
---|
224 | { |
---|
225 | sendContainer = dynamic_cast<osgVisual::dataIO_transportContainer*>(rr.takeObject()); |
---|
226 | if (sendContainer) |
---|
227 | { |
---|
228 | OSG_NOTIFY( osg::ALWAYS ) << "Received:: Settings Viewmatrix...FrameID is: " << sendContainer->getFrameID() << std::endl; |
---|
229 | // Restore Viewmatrix |
---|
230 | viewer->getCamera()->setViewMatrix(sendContainer->getViewMatrix()); |
---|
231 | } |
---|
232 | else |
---|
233 | OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::readTO_OBJvaluesFromMaster() - Unable to cast converted node to transportContainer" << std::endl; |
---|
234 | } |
---|
235 | else |
---|
236 | OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::readTO_OBJvaluesFromMaster() - Unable to convert stream to node" << std::endl; |
---|
237 | } |
---|
238 | else |
---|
239 | OSG_NOTIFY( osg::WARN ) << "ERROR: dataIO_clusterENet::readTO_OBJvaluesFromMaster() - Unable to get readerWriter for osgb" << std::endl; |
---|
240 | } // IF bytes recv > 0 END |
---|
241 | |
---|
242 | |
---|
243 | |
---|
244 | return true; |
---|
245 | } |
---|
246 | |
---|
247 | |
---|
248 | void dataIO_clusterENet::reportAsReadyToSwap() |
---|
249 | { |
---|
250 | if(!hardSync) |
---|
251 | return; |
---|
252 | |
---|
253 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet reportAsReadyToSwap()" << std::endl; |
---|
254 | } |
---|
255 | |
---|
256 | bool dataIO_clusterENet::waitForSwap() |
---|
257 | { |
---|
258 | if(!hardSync) |
---|
259 | return true; |
---|
260 | |
---|
261 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet waitForSwap()" << std::endl; |
---|
262 | |
---|
263 | return true; |
---|
264 | } |
---|
265 | |
---|
266 | |
---|
267 | bool dataIO_clusterENet::waitForAllReadyToSwap() |
---|
268 | { |
---|
269 | if(!hardSync) |
---|
270 | return true; |
---|
271 | |
---|
272 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet waitForAllReadyToSwap()" << std::endl; |
---|
273 | |
---|
274 | return true; |
---|
275 | } |
---|
276 | |
---|
277 | |
---|
278 | bool dataIO_clusterENet::sendSwapCommand() |
---|
279 | { |
---|
280 | if(!hardSync) |
---|
281 | return true; |
---|
282 | |
---|
283 | OSG_NOTIFY( osg::ALWAYS ) << "clusterENet sendSwapCommand()" << std::endl; |
---|
284 | |
---|
285 | return true; |
---|
286 | } |
---|