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root/i-scream/projects/cms/source/host/c++/Config.cpp
Revision: 1.5
Committed: Mon Mar 5 12:41:06 2001 UTC (23 years, 8 months ago) by ab11
Branch: MAIN
Changes since 1.4: +57 -1 lines
Log Message:
Modified so that Heartbeats are automated. Added some more properties to the array

File Contents

# Content
1 #include "Config.h"
2
3 Config::Config( string serverName, int serverPort, int printDebug ){
4 // the constructor for the class
5
6
7 configConnectionRetryTime = 1; // one second
8 debug = printDebug;
9 MAX_CONNECTION_ATTEMPTS = 10; //
10
11 configName = serverName;
12 configPort = serverPort;
13
14 if ( debug == 1 ){
15 std::cout << "Config Constructor\n";
16 }
17
18
19 // make a reference to smallnet
20 if ( debug == 1 ){
21 std::cout << "Config::Constructor::Constructing SmallNet\n";
22 }
23 net = new SmallNet(debug);
24 // net->setDebug(1);
25
26 // read the values which we want to retrieve from the
27 // config manager from the "config.values.txt" file
28 //propertyNames = new string[20];
29 //propertyValues = new string[20];
30
31 // FIX ME
32 // sod that we are using defined values now..
33 propertyNames[0] = "UDPUpdateTime";
34 propertyNames[1] = "TCPUpdateTime";
35 propertyNames[2] = "FilterRetryTime";
36 propertyNames[3] = "ConfigRetryTime";
37 propertyNames[4] = "AVERAGERUpdateTime";
38 propertyNames[5] = "MAXTCPFilterRetries";
39 numProperties = 5;
40
41 // read the Chat dialog we 'expect' to have with the config
42 // manager from disk. This is a new idea so that the client
43 // won't have to be hard coded with the dialog (incase it changes)
44
45 // FIX ME
46
47 if ( loadConfig() == 0 ){
48 // successful just continue
49 if ( debug == 1 ){
50 std::cout << "Config::Constructor::loadConfig() Successful\n";
51 }
52 }
53 else {
54 if ( debug == 1 ){
55 std::cout << "Config::Constructor::loadConfig() failed-retrying\n";
56 }
57 // woops something went wrong. we'll just keep retrying
58 // and increasing the time between trys
59 int loadConfigResult = -1;
60
61 // the following could cause problems if it is fed the
62 // incorrect filter name and/or port it'll never stop trying
63 int retrys = 1; // # of times we have tried to connect but failed..
64 while ( loadConfigResult != 0 ){
65 if ( retrys > MAX_CONNECTION_ATTEMPTS ){
66 std::cout << "Maxium number of retries reached, Quitting";
67 // exit("Failed to connect");
68 }
69 // make the connection retry time greater
70 configConnectionRetryTime = configConnectionRetryTime * 2;
71 std::cout << "Waiting " << configConnectionRetryTime << " seconds before retrying\n";
72 sleep(configConnectionRetryTime); // seconds
73 // increment the number of times we have tried to connect
74 retrys++;
75 loadConfigResult = loadConfig();
76 } // while
77
78
79 } // if
80
81 if ( debug == 1 ){
82 std::cout << "Config::Constructor - Finished!\n";
83 }
84
85 } // Config
86
87 int Config::loadConfig(){
88 // establishes a connection to the config manager (filter manager?) and
89 // tries to load all the info which it needs, if it fails returns !0
90
91 if ( debug == 1 ){
92 std::cout << "Config::loadConfig()\n";
93 }
94
95 // make a connection
96
97 if ( debug == 1 ){
98 std::cout << "Config::loadConfig::establishing config connection\n";
99 }
100 int established = establishConfig();
101 if ( established != 0 ){
102 return established;
103 }
104
105 // do the talk ;)
106
107 if ( debug == 1 ){
108 std::cout << "Config::loadConfig::Processing chat script\n";
109 }
110 int chat = chatConfig();
111 if ( chat != 0 ){
112 // and close the connection
113 destroyConfig();
114 // return chat;
115 }
116
117 // and close the connection
118
119 if ( debug == 1 ){
120 std::cout << "Config::loadConfig::closing config connection\n";
121 }
122 destroyConfig();
123
124 // return everything ok
125 return 0;
126
127 } // loadConfig
128
129 int Config::establishHeartbeat(){
130 // just an interface onto smallnet
131 if ( debug == 1 ){
132 std::cout << "Config::establishHeartbeat()\n";
133 }
134
135 int establish = net->connectHeartBeat(configName, configPort);
136
137 if ( debug == 1 ){
138 std::cout << "->" << establish << "\n";
139 }
140
141 return establish;
142
143 } // establishHeartBeat
144
145
146 int Config::destroyHeartbeat(){
147 // just hooks into the smallnet interface
148 if ( debug == 1 ){
149 std::cout << "Config::destroyHeartbeat()\n";
150 }
151
152 net->closeHeartBeatConnection();
153
154 } // destroyHeartBeat
155
156 int Config::chatHeartBeat(){
157
158 string response;
159
160 response = net->heartBeatSend("HEARTBEAT");
161 if ( response != "OK" ){
162 // something went wrong
163 return -1;
164 if ( debug == 1 ){
165 std::cout << "Config::chatHeartBeat::ERROR in HEARTBEAT\n";
166 }
167 }
168
169 response = net->heartBeatSend("CONFIG");
170 if ( response != "OK" ){
171 // something went wrong
172 return -1;
173 if ( debug == 1 ){
174 std::cout << "Config::chatHeartBeat::ERROR in CONFIG\n";
175 }
176 }
177
178 response = net->heartBeatSend(fileList);
179 if ( response != "OK" ){
180 // something went wrong
181 return -1;
182 if ( debug == 1 ){
183 std::cout << "Config::chatHeartBeat::ERROR in fileList\n";
184 }
185 }
186
187 response = net->heartBeatSend(lastModified);
188 if ( response != "OK" ){
189 // something went wrong
190 return -1;
191 if ( debug == 1 ){
192 std::cout << "Config::chatHeartBeat::ERROR in lastModified\n";
193 }
194 }
195
196 response = net->heartBeatSend("ENDHEARTBEAT");
197 if ( response != "OK" ){
198 // something went wrong
199 return -1;
200 if ( debug == 1 ){
201 std::cout << "Config::chatHeartBeat::ERROR in ENDHEARTBEAT\n";
202 }
203 }
204
205 // seems ok to me
206 return 0;
207
208 } // chat Heart Beat
209
210
211 int Config::establishConfig(){
212 // ask smallnet to make a connection to the filtermanager so we can get some config
213 // details
214 if ( debug == 1 ){
215 std::cout << "Config::establishConfig()\n";
216 }
217
218
219 /* MODIFY THIS */
220 int response = net->connectConfig(configName, configPort);
221
222 if ( debug == 1 ){
223 std::cout << "->" << response << "\n";
224 }
225
226 return response;
227
228 } // establishConfig
229
230
231 int Config::chatConfig(){
232 // do some funky jibble.. ;)
233 if ( debug == 1 ){
234 std::cout << "Config::chatConfig()\n";
235 }
236
237 string response;
238
239
240 // hard coeded for the moment
241 if ( debug == 1 ){
242 std::cout << "Config::chatConfig::STARTCONFIG\n";
243 }
244 response = net->heartBeatSend("STARTCONFIG");
245 if ( response != "OK" ){
246 // something went wrong
247 return -1;
248 if ( debug == 1 ){
249 std::cout << "Config::chatConfig::ERROR\n";
250 }
251 }
252
253 if ( debug == 1 ){
254 std::cout << "Config::chatConfig::LASTMODIFIED\n";
255 }
256 lastModified = net->heartBeatSend("LASTMODIFIED");
257 if ( debug == 1 ){
258 std::cout << "Config::chatConfig::FILELIST\n";
259 }
260 fileList = net->heartBeatSend("FILELIST");
261
262 fQDN = net->heartBeatSend("FQDN");
263
264 // now send the properties we want
265
266 if ( debug == 1 ){
267 std::cout << "Config::chatConfig::requesting properties\n";
268 }
269 if ( numProperties > 0 ){
270 // we actually need to look for some properties
271 for ( int i=0; i < numProperties; i++ ){
272 // lets hope that this works! ;)
273 if ( debug == 1 ){
274 std::cout << "Config::chatConfig::" << propertyNames[i] << "\n";
275 }
276 propertyValues[i] = net->heartBeatSend(propertyNames[i]);
277 } // for
278 } // if
279
280 if ( debug == 1 ){
281 std::cout << "Config::chatConfig::ENDCONFIG\n";
282 }
283 response = net->heartBeatSend("ENDCONFIG");
284 // doesn't matter what it returns
285
286 if ( debug == 1 ){
287 std::cout << "Config::chatConfig::FILTER\n";
288 }
289 response = net->heartBeatSend("FILTER");
290 // now we need to pull repsonse apart to get the filter information out
291 int first = response.find(";",0);
292 int second = response.find(";",first+1);
293 UDPFilterName = response.substr(0,first);
294 UDPFilterPort = atoi( response.substr( first+1 ,second ).c_str());
295 TCPFilterPort = atoi(response.substr(second+1).c_str());
296
297 if ( debug == 1 ){
298 std::cout << "Config::chatConfig::END\n";
299 }
300 response = net->heartBeatSend("END");
301
302 return 0;
303
304 } // chatConfig
305
306 int Config::destroyConfig(){
307 if ( debug == 1 ){
308 std::cout << "Config::destroyConfig()\n";
309 }
310
311 net->closeConfigConnection();
312
313 } // destroyConfig
314
315 string Config::getStrProperty(string propertyName){
316
317
318 if ( debug == 1 ){
319 std::cout << "Config::getProperty()\n";
320 }
321
322 for ( int i=0; i<20; i++ ){
323 if ( propertyName == propertyNames[i] ){
324 if ( propertyValues[i] != "" ){
325 return propertyValues[i];
326 } // if
327 } // if
328 } // for
329
330 // otherwise return ERROR
331 return "ERROR";
332
333 } // getStrProperty
334
335 int Config::getIntProperty( string propertyName ){
336
337 if ( debug == 1 ){
338 std::cout << "Config::getProperty()\n";
339 }
340
341 string response = getStrProperty( propertyName );
342 if ( response == "ERROR" ){
343 return -1;
344 } // if
345
346 int i = atoi(response.c_str());
347
348 if ( i > 0 ){
349 return i;
350 }
351
352 // otherwise return ERROR
353 return -1;
354
355 } // getIntProperty