host/c%2B%2B/Config.cpp

#include "Config.h"

Config::Config( string serverName, int serverPort, int printDebug ){
        // the constructor for the class
        
        
        configConnectionRetryTime = 1; // one second
        debug = printDebug;
        MAX_CONNECTION_ATTEMPTS = 10; // 
        
        configName = serverName;
        configPort = serverPort;
        
        if ( debug == 1 ){
                std::cout << "Config Constructor\n";
        }
        
        
        // make a reference to smallnet
        if ( debug == 1 ){
                std::cout << "Config::Constructor::Constructing SmallNet\n";
        }
        net = new SmallNet(debug);
        // net->setDebug(1);
        
        // read the values which we want to retrieve from the
        // config manager from the "config.values.txt" file
        //propertyNames = new string[20];
        //propertyValues = new string[20];
        
        // FIX ME
        // sod that we are using defined values now..
        propertyNames[0] = "UDPUpdateTime";
        propertyNames[1] = "TCPUpdateTime";
        propertyNames[2] = "FilterRetryTime";
        propertyNames[3] = "ConfigRetryTime";
        numProperties = 4;
        
        // read the Chat dialog we 'expect' to have with the config
        // manager from disk. This is a new idea so that the client
        // won't have to be hard coded with the dialog (incase it changes)
        
        // FIX ME
        
        if ( loadConfig() == 0 ){ 
                // successful just continue
                if ( debug == 1 ){
                        std::cout << "Config::Constructor::loadConfig() Successful\n";
                }
        }
        else {
                if ( debug == 1 ){
                        std::cout << "Config::Constructor::loadConfig() failed-retrying\n";
                }
                // woops something went wrong. we'll just keep retrying
                // and increasing the time between trys
                int loadConfigResult = -1;
                                
                // the following could cause problems if it is fed the 
                // incorrect filter name and/or port it'll never stop trying    
                int retrys = 1; // # of times we have tried to connect but failed..
                while ( loadConfigResult != 0 ){
                        if ( retrys > MAX_CONNECTION_ATTEMPTS ){
                                std::cout << "Maxium number of retries reached, Quitting";
                                // exit("Failed to connect");
                        }
                        // make the connection retry time greater
                        configConnectionRetryTime = configConnectionRetryTime * 2;
                        std::cout << "Waiting " << configConnectionRetryTime << " seconds before retrying\n";
                        sleep(configConnectionRetryTime); // seconds
                        // increment the number of times we have tried to connect
                        retrys++;
                        loadConfigResult = loadConfig();
                } // while
                
        
        } // if
        
        if ( debug == 1 ){
                std::cout << "Config::Constructor - Finished!\n";
        }
        
} // Config

int Config::loadConfig(){
        // establishes a connection to the config manager (filter manager?) and
        // tries to load all the info which it needs, if it fails returns !0
        
        if ( debug == 1 ){
                std::cout << "Config::loadConfig()\n";
        }
        
        // make a connection
        
        if ( debug == 1 ){
                std::cout << "Config::loadConfig::establishing config connection\n";
        }
        int established = establishConfig();
        if ( established != 0 ){
                return established;
        }
        
        // do the talk ;)
        
        if ( debug == 1 ){
                std::cout << "Config::loadConfig::Processing chat script\n";
        }
        int chat = chatConfig();
        if ( chat != 0 ){
                // and close the connection
                destroyConfig();
                // return chat;
        }
        
        // and close the connection
        
        if ( debug == 1 ){
                std::cout << "Config::loadConfig::closing config connection\n";
        }
        destroyConfig();
        
        // return everything ok
        return 0;
        
} // loadConfig

int Config::establishHeartbeat(){
        // just an interface onto smallnet
        if ( debug == 1 ){
                std::cout << "Config::establishHeartbeat()\n";
        }
        
        int establish = net->connectHeartBeat(configName, configPort);
        
        if ( debug == 1 ){
                std::cout << "->" << establish << "\n";
        }
        
        return establish;
                
} // establishHeartBeat


int Config::destroyHeartbeat(){
        // just hooks into the smallnet interface
        if ( debug == 1 ){
                std::cout << "Config::destroyHeartbeat()\n";
        }
        
        net->closeHeartBeatConnection();
        
} // destroyHeartBeat


int Config::establishConfig(){
        // ask smallnet to make a connection to the filtermanager so we can get some config
        // details
        if ( debug == 1 ){
                std::cout << "Config::establishConfig()\n";
        }
        
        
        /* MODIFY THIS */
        int response = net->connectConfig(configName, configPort);
        
        if ( debug == 1 ){
                std::cout << "->" << response << "\n";
        }
        
        return response;
        
} // establishConfig


int Config::chatConfig(){
        // do some funky jibble.. ;)
        if ( debug == 1 ){
                std::cout << "Config::chatConfig()\n";
        }
        
        string response;
        
        
        // hard coeded for the moment
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::STARTCONFIG\n";
        }
        response = net->heartBeatSend("STARTCONFIG");
        if ( response != "OK" ){
                // something went wrong
                return -1;
                if ( debug == 1 ){
                        std::cout << "Config::chatConfig::ERROR\n";
                }
        }
        
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::LASTMODIFIED\n";
        }
        lastModified = net->heartBeatSend("LASTMODIFIED");
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::FILELIST\n";
        }
        fileList = net->heartBeatSend("FILELIST");
        
        // now send the properties we want
        
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::requesting properties\n";
        }
        if ( numProperties > 0 ){
                // we actually need to look for some properties
                for ( int i=0; i < numProperties; i++ ){
                        // lets hope that this works! ;)
                        if ( debug == 1 ){
                                std::cout << "Config::chatConfig::" << propertyNames[i] << "\n";
                        }
                        propertyValues[i] = net->heartBeatSend(propertyNames[i]);
                } // for        
        } // if
        
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::ENDCONFIG\n";
        }
        response = net->heartBeatSend("ENDCONFIG");
        // doesn't matter what it returns
        
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::FILTER\n";
        }
        response = net->heartBeatSend("FILTER");
        // now we need to pull repsonse apart to get the filter information out
        int first = response.find(";",0);
        int second = response.find(";",first+1);
        UDPFilterName = response.substr(0,first);
        UDPFilterPort = atoi( response.substr( first+1 ,second ).c_str());
        TCPFilterPort = atoi(response.substr(second+1).c_str());
        
        if ( debug == 1 ){
                std::cout << "Config::chatConfig::END\n";
        }
        response = net->heartBeatSend("END");
        
        return 0;       

} // chatConfig

int Config::destroyConfig(){
        if ( debug == 1 ){
                std::cout << "Config::destroyConfig()\n";
        }
        
        net->closeConfigConnection();
        
} // destroyConfig

string Config::getStrProperty(string propertyName){
        
        
        if ( debug == 1 ){
                std::cout << "Config::getProperty()\n";
        }
        
        for ( int i=0; i<20; i++ ){
                if ( propertyName == propertyNames[i] ){
                        if ( propertyValues[i] != "" ){
                                return propertyValues[i];
                        } // if
                } // if
        } // for
                        
        // otherwise return ERROR
        return "ERROR";
        
} // getStrProperty

int Config::getIntProperty( string propertyName ){
        
        if ( debug == 1 ){
                std::cout << "Config::getProperty()\n";
        }
        
        string response = getStrProperty( propertyName );
        if ( response == "ERROR" ){
                return -1;
        } // if
        
        int i = atoi(response.c_str());
        
        if ( i > 0 ){
                return i;
        }
                                        
        // otherwise return ERROR
        return -1;
        
} // getIntProperty
Revision:	1.3
Committed:	Mon Feb 26 14:59:54 2001 UTC (23 years, 9 months ago) by ab11
Branch:	MAIN
Changes since 1.2:	+154 -22 lines
Log Message:	Working config class. No Known bugs at this stage.
#	User	Rev	Content
1	ab11	1.1	#include "Config.h"
2
3	ab11	1.3	Config::Config( string serverName, int serverPort, int printDebug ){
4	ab11	1.1	// the constructor for the class
5
6	ab11	1.3
7	ab11	1.1	configConnectionRetryTime = 1; // one second
8	ab11	1.3	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	ab11	1.1
19			// make a reference to smallnet
20	ab11	1.3	if ( debug == 1 ){
21			std::cout << "Config::Constructor::Constructing SmallNet\n";
22			}
23			net = new SmallNet(debug);
24			// net->setDebug(1);
25	ab11	1.1
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	ab11	1.3	numProperties = 4;
38	ab11	1.1
39			// read the Chat dialog we 'expect' to have with the config
40			// manager from disk. This is a new idea so that the client
41			// won't have to be hard coded with the dialog (incase it changes)
42
43			// FIX ME
44
45			if ( loadConfig() == 0 ){
46			// successful just continue
47	ab11	1.3	if ( debug == 1 ){
48			std::cout << "Config::Constructor::loadConfig() Successful\n";
49			}
50	ab11	1.1	}
51			else {
52	ab11	1.3	if ( debug == 1 ){
53			std::cout << "Config::Constructor::loadConfig() failed-retrying\n";
54			}
55	ab11	1.1	// woops something went wrong. we'll just keep retrying
56			// and increasing the time between trys
57			int loadConfigResult = -1;
58
59			// the following could cause problems if it is fed the
60			// incorrect filter name and/or port it'll never stop trying
61	ab11	1.3	int retrys = 1; // # of times we have tried to connect but failed..
62	ab11	1.1	while ( loadConfigResult != 0 ){
63	ab11	1.3	if ( retrys > MAX_CONNECTION_ATTEMPTS ){
64			std::cout << "Maxium number of retries reached, Quitting";
65			// exit("Failed to connect");
66			}
67	ab11	1.1	// make the connection retry time greater
68			configConnectionRetryTime = configConnectionRetryTime * 2;
69	ab11	1.3	std::cout << "Waiting " << configConnectionRetryTime << " seconds before retrying\n";
70	ab11	1.1	sleep(configConnectionRetryTime); // seconds
71	ab11	1.3	// increment the number of times we have tried to connect
72			retrys++;
73	ab11	1.1	loadConfigResult = loadConfig();
74			} // while
75
76
77			} // if
78
79	ab11	1.3	if ( debug == 1 ){
80			std::cout << "Config::Constructor - Finished!\n";
81			}
82
83	ab11	1.1	} // Config
84
85			int Config::loadConfig(){
86			// establishes a connection to the config manager (filter manager?) and
87			// tries to load all the info which it needs, if it fails returns !0
88
89	ab11	1.3	if ( debug == 1 ){
90			std::cout << "Config::loadConfig()\n";
91			}
92
93	ab11	1.1	// make a connection
94	ab11	1.3
95			if ( debug == 1 ){
96			std::cout << "Config::loadConfig::establishing config connection\n";
97			}
98	ab11	1.1	int established = establishConfig();
99			if ( established != 0 ){
100			return established;
101			}
102
103			// do the talk ;)
104	ab11	1.3
105			if ( debug == 1 ){
106			std::cout << "Config::loadConfig::Processing chat script\n";
107			}
108	ab11	1.1	int chat = chatConfig();
109			if ( chat != 0 ){
110			// and close the connection
111			destroyConfig();
112	ab11	1.3	// return chat;
113	ab11	1.1	}
114
115			// and close the connection
116	ab11	1.3
117			if ( debug == 1 ){
118			std::cout << "Config::loadConfig::closing config connection\n";
119			}
120	ab11	1.1	destroyConfig();
121
122			// return everything ok
123			return 0;
124
125			} // loadConfig
126
127			int Config::establishHeartbeat(){
128			// just an interface onto smallnet
129	ab11	1.3	if ( debug == 1 ){
130			std::cout << "Config::establishHeartbeat()\n";
131			}
132
133			int establish = net->connectHeartBeat(configName, configPort);
134	ab11	1.1
135	ab11	1.3	if ( debug == 1 ){
136			std::cout << "->" << establish << "\n";
137			}
138	ab11	1.1
139			return establish;
140
141			} // establishHeartBeat
142
143
144			int Config::destroyHeartbeat(){
145			// just hooks into the smallnet interface
146	ab11	1.3	if ( debug == 1 ){
147			std::cout << "Config::destroyHeartbeat()\n";
148			}
149	ab11	1.1
150	ab11	1.3	net->closeHeartBeatConnection();
151	ab11	1.1
152			} // destroyHeartBeat
153
154
155			int Config::establishConfig(){
156			// ask smallnet to make a connection to the filtermanager so we can get some config
157			// details
158	ab11	1.3	if ( debug == 1 ){
159			std::cout << "Config::establishConfig()\n";
160			}
161
162	ab11	1.1
163	ab11	1.3	/* MODIFY THIS */
164			int response = net->connectConfig(configName, configPort);
165	ab11	1.1
166	ab11	1.3	if ( debug == 1 ){
167			std::cout << "->" << response << "\n";
168			}
169	ab11	1.1
170	ab11	1.3	return response;
171	ab11	1.1
172			} // establishConfig
173
174
175			int Config::chatConfig(){
176			// do some funky jibble.. ;)
177	ab11	1.3	if ( debug == 1 ){
178			std::cout << "Config::chatConfig()\n";
179			}
180	ab11	1.1
181			string response;
182
183	ab11	1.3
184	ab11	1.1	// hard coeded for the moment
185	ab11	1.3	if ( debug == 1 ){
186			std::cout << "Config::chatConfig::STARTCONFIG\n";
187			}
188			response = net->heartBeatSend("STARTCONFIG");
189	ab11	1.1	if ( response != "OK" ){
190			// something went wrong
191			return -1;
192	ab11	1.3	if ( debug == 1 ){
193			std::cout << "Config::chatConfig::ERROR\n";
194			}
195	ab11	1.1	}
196
197	ab11	1.3	if ( debug == 1 ){
198			std::cout << "Config::chatConfig::LASTMODIFIED\n";
199			}
200			lastModified = net->heartBeatSend("LASTMODIFIED");
201			if ( debug == 1 ){
202			std::cout << "Config::chatConfig::FILELIST\n";
203			}
204			fileList = net->heartBeatSend("FILELIST");
205	ab11	1.1
206			// now send the properties we want
207
208	ab11	1.3	if ( debug == 1 ){
209			std::cout << "Config::chatConfig::requesting properties\n";
210			}
211	ab11	1.1	if ( numProperties > 0 ){
212			// we actually need to look for some properties
213			for ( int i=0; i < numProperties; i++ ){
214			// lets hope that this works! ;)
215	ab11	1.3	if ( debug == 1 ){
216			std::cout << "Config::chatConfig::" << propertyNames[i] << "\n";
217			}
218			propertyValues[i] = net->heartBeatSend(propertyNames[i]);
219	ab11	1.1	} // for
220			} // if
221
222	ab11	1.3	if ( debug == 1 ){
223			std::cout << "Config::chatConfig::ENDCONFIG\n";
224			}
225			response = net->heartBeatSend("ENDCONFIG");
226	ab11	1.1	// doesn't matter what it returns
227
228	ab11	1.3	if ( debug == 1 ){
229			std::cout << "Config::chatConfig::FILTER\n";
230			}
231			response = net->heartBeatSend("FILTER");
232	ab11	1.1	// now we need to pull repsonse apart to get the filter information out
233	ab11	1.3	int first = response.find(";",0);
234			int second = response.find(";",first+1);
235			UDPFilterName = response.substr(0,first);
236			UDPFilterPort = atoi( response.substr( first+1 ,second ).c_str());
237			TCPFilterPort = atoi(response.substr(second+1).c_str());
238	ab11	1.1
239	ab11	1.3	if ( debug == 1 ){
240			std::cout << "Config::chatConfig::END\n";
241			}
242			response = net->heartBeatSend("END");
243	ab11	1.1
244			return 0;
245
246			} // chatConfig
247
248			int Config::destroyConfig(){
249	ab11	1.3	if ( debug == 1 ){
250			std::cout << "Config::destroyConfig()\n";
251			}
252	ab11	1.1
253	ab11	1.3	net->closeConfigConnection();
254	ab11	1.1
255			} // destroyConfig
256
257	ab11	1.3	string Config::getStrProperty(string propertyName){
258
259
260			if ( debug == 1 ){
261			std::cout << "Config::getProperty()\n";
262			}
263	ab11	1.1
264			for ( int i=0; i<20; i++ ){
265			if ( propertyName == propertyNames[i] ){
266	ab11	1.3	if ( propertyValues[i] != "" ){
267			return propertyValues[i];
268			} // if
269	ab11	1.1	} // if
270			} // for
271
272			// otherwise return ERROR
273			return "ERROR";
274
275	ab11	1.3	} // getStrProperty
276
277			int Config::getIntProperty( string propertyName ){
278
279			if ( debug == 1 ){
280			std::cout << "Config::getProperty()\n";
281			}
282
283			string response = getStrProperty( propertyName );
284			if ( response == "ERROR" ){
285			return -1;
286			} // if
287
288			int i = atoi(response.c_str());
289
290			if ( i > 0 ){
291			return i;
292			}
293
294			// otherwise return ERROR
295			return -1;
296
297			} // getIntProperty