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

#include "SysMon.h"

SysMon::SysMon( Config config, int printDebug){
        // debugging on?
        debug = printDebug;
        
        if ( debug == 1 ){
                std::cout << "SysMon::Constructor\n";
        }
        
        // setup some standard variables
        sequence = 0; // no packets sent yet
        
        // get our values from config
        
        
        // setup our arrays
        titlepointer = 0;
        for ( int i=0; i < 40; i++ ){
                titles[i] = "";
                values[i] = "";
        }
        
        checks = 0;
        
} // constructor

int SysMon::collect(){
        if ( debug == 1 ){
                std::cout << "SysMon::collect()\n";
        }
        
        // say we have checked again
        checks++;
        
        // collect the system data and place it in an array of strings.
        // presume that the data is all formtted correctly.
        char input[2048];
        if ( debug == 1 ){
                std::cout << "SysMon::collect::ipipestream\n";
        }
        // ipipestream p("statgrab.pl");
        p = new SubPipe("statgrab.pl");
        
        // get the output into input from statgrab
        string sinput;
        while ( p->getLine(&sinput) ){
                // find the first non-whitespace char in input
                
                // locate the first white space
                int found = sinput.find(" ",0);
                if ( found == string::npos ){
                        // error
                        if ( debug == 1 ){
                                std::cout << "SysMon::collect::Parse error from statgrab.pl\n";
                        }
                } else {
                        int gotTitle = 0;
                        // now use the array of titles and values 
                        for ( int i = 0; i < 60; i++ ){
                                // check against the array value
                                if ( titles[i] == sinput.substr(0,found) ){
                                        // is the one we are looking for.
                                        if ( debug == 2 ){
                                                std::cout << "SysMon::collect::Found Value\n";
                                                
                                        }
                                        gotTitle = 1;
                                        // now modify the data in the arrays if they are numbers
                                        char * end;
                                        char *buffer;
                                        // buffer = sinput.substr(found+1, sinput.length());
                                        double dbl = strtod( ((string) sinput.substr(found+1, sinput.length())).c_str(), &end);
                                        if ( dbl == 0 ){
                                                // error? we aren't so sure. check the position
                                                // of end.
                                                if ( *end == sinput.length()-1 ){
                                                        // was the end.. ok 
                                                        // must have worked!
                                                    double dbl2 = 0; //strtod(values[i], &end);
                                                    dbl2 += dbl;
                                                    char * buffer;
                                                    int precision = 5;
                                                    int decimal, sign;
                                                    buffer = ecvt (dbl2, precision, &decimal, &sign);
                                                } // if *end
                                        } else {
                                                // must have worked!
                                                double dbl2 = 0; //strtod(values[i], &end);
                                                dbl2 += dbl;
                                                char * buffer;
                                                int precision = 5;
                                                int decimal, sign;
                                                buffer = ecvt (dbl2, precision, &decimal, &sign);
                                        } // if
                                } // if
                        } // for
                        // did we find this title? if not add it
                        if ( gotTitle == 0 ){
                                // didnt
                                if ( debug == 1 ){
                                                std::cout << "SysMon::collect::Adding New Value\n";
                                                std::cout << "'" << sinput.substr(0,found) << "'\n";
                                                std::cout << "'" <<  sinput.substr(found+1, sinput.length()) << "'\n";
                                }
                                titles[titlepointer] = sinput.substr(0,found);
                                values[titlepointer] = sinput.substr(found+1, sinput.length());
                                titlepointer++;
                        } // if
                        
                } // if (not) found
                
        } // while
        
        delete p;
        
        if ( debug == 1 ){
                std::cout << "SysMon::collect::Parse from StatGrab finished\n";
        }
        
        // alert?
        // return 1;
        
        // return sucessful
        return 0;
        
} // collect

string SysMon::getData(){
        
        if ( debug == 1 ){
                std::cout << "SysMon::getData()\n";
        }
        
        // create an xml object
        XMLFormatter xml = XMLFormatter();

        int i=0;
        int count = 0;
        int finished = 0;
        string root = "packet.";
        string level = root;
        string attributes = "";
        string attr = "";
        while (  i < titlepointer ){
            finished = 0;
                count = 0;
                attr = "";
                while ( finished != 1 ){
                        count++;
                        if ( count > 10 ){
                                // don't do more than 10 times.. its probably not gonna work!
                                finished = 1;
                        }
                        
                        // do for each item
                        int where = titles[i].find(level,0);
                        
                        // where now contains the position of 'level'
                        if ( where != string::npos ){
                                // we found it, now check the size to see if this is the final level
                                // grab the end bit a look for .'s
                                string end = titles[i].substr(level.length(), titles[i].length()-level.length() );
                                
                                // now end should contain "something.something" etc
                                // look to find a . in there that means more to traverse
                                // but check for 'attributes' tags...
                                
                                where = end.find("attributes.",0);
                                if ( where != string::npos ){
                                        // is an attribute
                                        // need to check that there are no more levels above this one
                                        
                                                                
                                        
                                        /*                                      
                                        
                                        // where points to the start of attributes
                                        int start = 0;
                                        if ( level.find(".",start) < where-1 ){
                                                start = level.find(".", start);
                                        } // if
                                        
                                        // start points to the thing to apply the attributes to.
                                        // need to take the level upto before this point
                                        string needLevel = end.substr(0,start-2);
                                        std::cout << "needlevel " << needLevel << endl;                                 
                                        
                                        // now we need to find the level we are at
                                        while (( needLevel.length() > 0 ) && (needLevel.find(".",0) != string::npos ) ){
                                                int got = needLevel.find(".",0);
                                                if ( got != string::npos ){
                                                        // we need to grab up until the .
                                                        xml.addNest(needLevel.substr(0,got));
                                                        level += needLevel.substr(0,got);
                                                        level += ".";
                                                        std::cout << "Adding Nest " << needLevel.substr(0,got) << endl;
                                                        needLevel = needLevel.substr(got+1, needLevel.length()-(got+1));
                                                } // if 
                                                std::cout << "needlevel " << needLevel << endl; 
                                        } // while
                                        
                                        // add the final nest
                                        xml.addNest(needLevel);
                                        level += needLevel;
                                        level += ".";
                                        std::cout << "Adding Nest " << needLevel << endl;
                                        
                                        */
                                        
                                        // now write out the variable
                                        xml.addElement(end, values[i]); 
                                        finished = 1;                   
                                        
                                } else {
                                        if ( where == 0 ){
                                                // this is something we care about.
                                                // it has an attribute tab, and thus we want to add it
                                                // to the tag one lower than this (hopefully level!)
                                                
                                                // attributes = attributes + mount
                                                attributes += end.substr(where+11, end.length()-(where+11));
                                                // attributes = attributes + mount="
                                                attributes += "=\"";
                                                // attributes = attributes + mount="/dev
                                                attributes += values[i];
                                                // attributes = attributes + mount="/dev" 
                                                attributes += "\" ";
                                        } else {
                                                // need to check if we are the last element before
                                                // an attribute tag, so we want to get up to this tag first
                                                while ( end.find(".",0) != string::npos ){
                                                
                                                        where = end.find(".",0);
                                                        string newNest = end.substr(0,where);
                                                        xml.addNest(newNest);
                                                        level += newNest;
                                                        level += ".";
                                                        // redefine end
                                                        end = end.substr(where+1, end.length()-(where+1));
                                                } // while      
                                                
                                                
                                                xml.addElement(end, values[i]);
                                                finished = 1;
                                        } // if where == 0
                                 } // if attribute tags
        
                                
        
                                        
                        } else { // if doesn't contains level
                        
                                // we need to move one back and try again, until we are all the way
                                // back to "packet."
                                // go about it by closing nests
                                
                                while ( level.length() > root.length() ){
                                        // need to close one nest and locate the next . from the end (hassle)
                                        int start = 0;
                                        if ( level.find(".",start) != string::npos ){
                                                start = level.find(".", start);
                                        } // if
                                        // should now have the last .
                                        xml.closeNest();
                                        level = level.substr(0, start+1);
                                }               
                        
                        } // if contains level
                        
                } // while
                i++;
        } // while
        
        
        
        
        
        
                        
        // return the string
        return xml.returnXML();
        
} // getData
Revision:	1.3
Committed:	Tue Mar 6 00:38:32 2001 UTC (23 years, 8 months ago) by ab11
Branch:	MAIN
Changes since 1.2:	+19 -13 lines
Log Message:	modifed so it calls SubPipe instead of a direct call to the Socket++ library. Now doesn't run out of resources (file handles)
#	User	Rev	Content
1	ab11	1.1	#include "SysMon.h"
2
3			SysMon::SysMon( Config config, int printDebug){
4			// debugging on?
5			debug = printDebug;
6
7			if ( debug == 1 ){
8			std::cout << "SysMon::Constructor\n";
9			}
10
11			// setup some standard variables
12			sequence = 0; // no packets sent yet
13
14			// get our values from config
15
16
17			// setup our arrays
18			titlepointer = 0;
19			for ( int i=0; i < 40; i++ ){
20			titles[i] = "";
21			values[i] = "";
22			}
23
24			checks = 0;
25
26			} // constructor
27
28			int SysMon::collect(){
29			if ( debug == 1 ){
30			std::cout << "SysMon::collect()\n";
31			}
32
33			// say we have checked again
34			checks++;
35
36			// collect the system data and place it in an array of strings.
37			// presume that the data is all formtted correctly.
38			char input[2048];
39			if ( debug == 1 ){
40			std::cout << "SysMon::collect::ipipestream\n";
41			}
42	ab11	1.3	// ipipestream p("statgrab.pl");
43			p = new SubPipe("statgrab.pl");
44	ab11	1.1
45			// get the output into input from statgrab
46	ab11	1.3	string sinput;
47			while ( p->getLine(&sinput) ){
48	ab11	1.1	// find the first non-whitespace char in input
49	ab11	1.3
50	ab11	1.1	// locate the first white space
51			int found = sinput.find(" ",0);
52			if ( found == string::npos ){
53			// error
54			if ( debug == 1 ){
55			std::cout << "SysMon::collect::Parse error from statgrab.pl\n";
56			}
57			} else {
58			int gotTitle = 0;
59			// now use the array of titles and values
60			for ( int i = 0; i < 60; i++ ){
61			// check against the array value
62			if ( titles[i] == sinput.substr(0,found) ){
63			// is the one we are looking for.
64	ab11	1.2	if ( debug == 2 ){
65	ab11	1.1	std::cout << "SysMon::collect::Found Value\n";
66	ab11	1.2
67	ab11	1.1	}
68	ab11	1.2	gotTitle = 1;
69	ab11	1.1	// now modify the data in the arrays if they are numbers
70	ab11	1.3	char * end;
71	ab11	1.1	char *buffer;
72			// buffer = sinput.substr(found+1, sinput.length());
73	ab11	1.3	double dbl = strtod( ((string) sinput.substr(found+1, sinput.length())).c_str(), &end);
74	ab11	1.1	if ( dbl == 0 ){
75			// error? we aren't so sure. check the position
76			// of end.
77			if ( *end == sinput.length()-1 ){
78			// was the end.. ok
79	ab11	1.3	// must have worked!
80			double dbl2 = 0; //strtod(values[i], &end);
81			dbl2 += dbl;
82			char * buffer;
83			int precision = 5;
84			int decimal, sign;
85			buffer = ecvt (dbl2, precision, &decimal, &sign);
86			} // if *end
87	ab11	1.1	} else {
88			// must have worked!
89			double dbl2 = 0; //strtod(values[i], &end);
90			dbl2 += dbl;
91	ab11	1.3	char * buffer;
92	ab11	1.2	int precision = 5;
93	ab11	1.1	int decimal, sign;
94			buffer = ecvt (dbl2, precision, &decimal, &sign);
95			} // if
96			} // if
97			} // for
98			// did we find this title? if not add it
99			if ( gotTitle == 0 ){
100			// didnt
101			if ( debug == 1 ){
102			std::cout << "SysMon::collect::Adding New Value\n";
103			std::cout << "'" << sinput.substr(0,found) << "'\n";
104			std::cout << "'" << sinput.substr(found+1, sinput.length()) << "'\n";
105			}
106			titles[titlepointer] = sinput.substr(0,found);
107			values[titlepointer] = sinput.substr(found+1, sinput.length());
108			titlepointer++;
109			} // if
110
111			} // if (not) found
112
113			} // while
114
115	ab11	1.3	delete p;
116	ab11	1.2
117	ab11	1.1	if ( debug == 1 ){
118			std::cout << "SysMon::collect::Parse from StatGrab finished\n";
119			}
120
121			// alert?
122			// return 1;
123
124			// return sucessful
125			return 0;
126
127			} // collect
128
129			string SysMon::getData(){
130
131			if ( debug == 1 ){
132			std::cout << "SysMon::getData()\n";
133			}
134
135			// create an xml object
136			XMLFormatter xml = XMLFormatter();
137	ab11	1.2
138			int i=0;
139			int count = 0;
140			int finished = 0;
141			string root = "packet.";
142			string level = root;
143			string attributes = "";
144			string attr = "";
145	ab11	1.3	while ( i < titlepointer ){
146			finished = 0;
147	ab11	1.2	count = 0;
148			attr = "";
149			while ( finished != 1 ){
150			count++;
151			if ( count > 10 ){
152			// don't do more than 10 times.. its probably not gonna work!
153			finished = 1;
154			}
155
156			// do for each item
157			int where = titles[i].find(level,0);
158
159			// where now contains the position of 'level'
160			if ( where != string::npos ){
161			// we found it, now check the size to see if this is the final level
162			// grab the end bit a look for .'s
163			string end = titles[i].substr(level.length(), titles[i].length()-level.length() );
164
165			// now end should contain "something.something" etc
166			// look to find a . in there that means more to traverse
167			// but check for 'attributes' tags...
168
169			where = end.find("attributes.",0);
170			if ( where != string::npos ){
171			// is an attribute
172			// need to check that there are no more levels above this one
173
174
175
176			/*
177
178			// where points to the start of attributes
179			int start = 0;
180			if ( level.find(".",start) < where-1 ){
181			start = level.find(".", start);
182			} // if
183
184			// start points to the thing to apply the attributes to.
185			// need to take the level upto before this point
186			string needLevel = end.substr(0,start-2);
187			std::cout << "needlevel " << needLevel << endl;
188
189			// now we need to find the level we are at
190			while (( needLevel.length() > 0 ) && (needLevel.find(".",0) != string::npos ) ){
191			int got = needLevel.find(".",0);
192			if ( got != string::npos ){
193			// we need to grab up until the .
194			xml.addNest(needLevel.substr(0,got));
195			level += needLevel.substr(0,got);
196			level += ".";
197			std::cout << "Adding Nest " << needLevel.substr(0,got) << endl;
198			needLevel = needLevel.substr(got+1, needLevel.length()-(got+1));
199			} // if
200			std::cout << "needlevel " << needLevel << endl;
201			} // while
202
203			// add the final nest
204			xml.addNest(needLevel);
205			level += needLevel;
206			level += ".";
207			std::cout << "Adding Nest " << needLevel << endl;
208
209			*/
210
211			// now write out the variable
212			xml.addElement(end, values[i]);
213			finished = 1;
214
215			} else {
216			if ( where == 0 ){
217			// this is something we care about.
218			// it has an attribute tab, and thus we want to add it
219			// to the tag one lower than this (hopefully level!)
220
221			// attributes = attributes + mount
222			attributes += end.substr(where+11, end.length()-(where+11));
223			// attributes = attributes + mount="
224			attributes += "=\"";
225			// attributes = attributes + mount="/dev
226			attributes += values[i];
227			// attributes = attributes + mount="/dev"
228			attributes += "\" ";
229			} else {
230			// need to check if we are the last element before
231			// an attribute tag, so we want to get up to this tag first
232			while ( end.find(".",0) != string::npos ){
233
234			where = end.find(".",0);
235			string newNest = end.substr(0,where);
236			xml.addNest(newNest);
237			level += newNest;
238			level += ".";
239			// redefine end
240			end = end.substr(where+1, end.length()-(where+1));
241			} // while
242
243
244			xml.addElement(end, values[i]);
245			finished = 1;
246			} // if where == 0
247			} // if attribute tags
248
249
250
251
252			} else { // if doesn't contains level
253
254			// we need to move one back and try again, until we are all the way
255			// back to "packet."
256			// go about it by closing nests
257
258			while ( level.length() > root.length() ){
259			// need to close one nest and locate the next . from the end (hassle)
260			int start = 0;
261			if ( level.find(".",start) != string::npos ){
262			start = level.find(".", start);
263			} // if
264			// should now have the last .
265			xml.closeNest();
266			level = level.substr(0, start+1);
267			}
268
269			} // if contains level
270
271			} // while
272			i++;
273			} // while
274
275	ab11	1.1
276
277
278
279
280	ab11	1.2
281	ab11	1.1	// return the string
282			return xml.returnXML();
283
284			} // getData