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root/i-scream/projects/cms/source/host/c++/SysMon.cpp
Revision: 1.9
Committed: Sat May 18 18:15:56 2002 UTC (22 years, 4 months ago) by tdb
Branch: MAIN
Changes since 1.8: +19 -0 lines
Log Message:
i-scream is now licensed under the GPL. I've added the GPL headers to every
source file, and put a full copy of the license in the appropriate places.
I think I've covered everything. This is going to be a mad commit ;)

File Contents

# User Rev Content
1 tdb 1.9 /*
2     * i-scream central monitoring system
3     * Copyright (C) 2000-2002 i-scream
4     *
5     * This program is free software; you can redistribute it and/or
6     * modify it under the terms of the GNU General Public License
7     * as published by the Free Software Foundation; either version 2
8     * of the License, or (at your option) any later version.
9     *
10     * This program is distributed in the hope that it will be useful,
11     * but WITHOUT ANY WARRANTY; without even the implied warranty of
12     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13     * GNU General Public License for more details.
14     *
15     * You should have received a copy of the GNU General Public License
16     * along with this program; if not, write to the Free Software
17     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18     */
19    
20 ab11 1.1 #include "SysMon.h"
21    
22     SysMon::SysMon( Config config, int printDebug){
23     // debugging on?
24     debug = printDebug;
25    
26     if ( debug == 1 ){
27     std::cout << "SysMon::Constructor\n";
28     }
29    
30     // setup some standard variables
31     sequence = 0; // no packets sent yet
32    
33     // setup our arrays
34     titlepointer = 0;
35 ab11 1.8 for ( int i=0; i < max_titles; i++ ){
36 ab11 1.1 titles[i] = "";
37     values[i] = "";
38     }
39    
40     checks = 0;
41    
42     } // constructor
43    
44     int SysMon::collect(){
45     if ( debug == 1 ){
46     std::cout << "SysMon::collect()\n";
47 ab11 1.8 } // if
48 ab11 1.1
49     // say we have checked again
50     checks++;
51    
52     // collect the system data and place it in an array of strings.
53     // presume that the data is all formtted correctly.
54 ab11 1.8
55 ab11 1.1 if ( debug == 1 ){
56     std::cout << "SysMon::collect::ipipestream\n";
57     }
58 ab11 1.8
59     p = new SubPipe("./statgrab.pl");
60 ab11 1.1
61     // get the output into input from statgrab
62 ab11 1.3 string sinput;
63 ab11 1.4 while ( p->getLine(&sinput) == 0 ){
64 ab11 1.3
65 ab11 1.8 if ( titlepointer == max_titles ){
66     std::cout << "WARNING: Max Titles reached, skipping remaining" << endl;
67     std::cout << "Try recompiling with a value greater than the current (" << max_titles << ")" << endl;
68     titlepointer--;
69     break;
70     } // if
71    
72 ab11 1.1 // locate the first white space
73     int found = sinput.find(" ",0);
74     if ( found == string::npos ){
75     // error
76     if ( debug == 1 ){
77     std::cout << "SysMon::collect::Parse error from statgrab.pl\n";
78 ab11 1.8 } // if
79 ab11 1.1 } else {
80     int gotTitle = 0;
81     // now use the array of titles and values
82 ab11 1.8 for ( int i = 0; i < max_titles; i++ ){
83 ab11 1.1 // check against the array value
84     if ( titles[i] == sinput.substr(0,found) ){
85     // is the one we are looking for.
86 ab11 1.2 if ( debug == 2 ){
87 ab11 1.1 std::cout << "SysMon::collect::Found Value\n";
88 ab11 1.4 } // if debug
89    
90 ab11 1.2 gotTitle = 1;
91 ab11 1.1 // now modify the data in the arrays if they are numbers
92 ab11 1.4 } // if (titles[i])
93 ab11 1.1 } // for
94 ab11 1.4
95 ab11 1.1 // did we find this title? if not add it
96     if ( gotTitle == 0 ){
97     // didnt
98     if ( debug == 1 ){
99 ab11 1.8 std::cout << "SysMon::collect::Adding New Value\n";
100     std::cout << "'" << sinput.substr(0,found) << "' : ";
101     std::cout << "'" << sinput.substr(found+1, sinput.length()) << "'\n";
102     } // if
103 ab11 1.1 titles[titlepointer] = sinput.substr(0,found);
104     values[titlepointer] = sinput.substr(found+1, sinput.length());
105     titlepointer++;
106     } // if
107    
108     } // if (not) found
109    
110     } // while
111    
112 ab11 1.8 // delete the pointer to free up memory
113 ab11 1.3 delete p;
114 ab11 1.2
115 ab11 1.1 if ( debug == 1 ){
116     std::cout << "SysMon::collect::Parse from StatGrab finished\n";
117 ab11 1.8 } // if
118 ab11 1.1
119     // return sucessful
120     return 0;
121    
122     } // collect
123    
124 ab11 1.4 void SysMon::clearData(){
125    
126     titlepointer = 0;
127 ab11 1.8 for ( int i=0; i < max_titles; i++ ){
128 ab11 1.4 titles[i] = "";
129     values[i] = "";
130 ab11 1.8 } // for
131 ab11 1.4
132     return;
133    
134     } // clearData
135    
136    
137 ab11 1.1 string SysMon::getData(){
138    
139     if ( debug == 1 ){
140     std::cout << "SysMon::getData()\n";
141 ab11 1.8 } // if
142 ab11 1.1
143     // create an xml object
144     XMLFormatter xml = XMLFormatter();
145 ab11 1.2
146 ab11 1.4 if ( debug == 1 ){
147     std::cout << "SysMon::getData::Sorting " << titlepointer << " elements\n";
148 ab11 1.8 } // if
149 ab11 1.4
150     // firstly sort the data.
151     // simple bubble sort
152     int flag = 1;
153     while ( flag == 1 ){
154     flag = 0;
155     for ( int i=1; i<=titlepointer; i++ ){
156     if (titles[i-1].compare(titles[i]) > 0 ){
157     // swap them
158     string temp;
159     temp = titles[i-1];
160     titles[i-1] = titles[i];
161     titles[i] = temp;
162     // now do the values
163     temp = values[i-1];
164     values[i-1] = values[i];
165     values[i] = temp;
166     // say we have changed something
167     flag = 1;
168     } // if
169     } // for
170     } // while
171    
172 ab11 1.8 /* used to check the array has sorted correctly
173 ab11 1.4 for ( int i=0; i < titlepointer; i++ ){
174     std::cout << titles[i] << endl;
175     }
176 ab11 1.8 */
177 ab11 1.4
178     // work through each one of the titles in turn and
179     // work out their levels.
180    
181 ab11 1.2 int count = 0;
182 ab11 1.4 string currentLevel = "packet";
183     string currentLevels[10];
184     int currentLevelint = 0;
185     int retryCount = 0;
186 ab11 1.2 string attributes = "";
187 ab11 1.4 int isAttrib = 0;
188     string attributeLevel = "";
189    
190     // init that array quickly ;)
191     for ( int i=0; i< 10; i++ ){
192     currentLevels[i] = "";
193     } // for
194 ab11 1.2
195 ab11 1.4 if ( debug == 1 ){
196     std::cout << "SysMon::getData::Starting while\n";
197 ab11 1.8 } // if
198 ab11 1.2
199 ab11 1.4 while ( count <= titlepointer ){
200 ab11 1.8
201 ab11 1.4 if ( debug == 1 ){
202     std::cout << "Processing: " << titles[count] << endl;
203 ab11 1.8 } // if
204 ab11 1.4
205     retryCount++;
206    
207     currentLevel = "";
208     for ( int i=0; i<currentLevelint; i++ ){
209     if (( currentLevel != "" ) && ( i != currentLevelint )){
210     currentLevel += ".";
211     } // if
212     currentLevel += currentLevels[i];
213     } // for
214    
215     // set the title into a variable
216     string currentTitle = titles[count];
217    
218     // make an array of strings to hold the levels
219     string levels[10];
220     for ( int i=0; i< 10; i++ ){
221     levels[i] = "";
222     } // for
223     int level = 0;
224    
225    
226     // firstly find the first .
227     int dotPosition = currentTitle.find(".");
228    
229     while ( dotPosition != string::npos ){
230    
231     levels[level] = currentTitle.substr(0,dotPosition);
232    
233     // now remove this bit
234     currentTitle = currentTitle.substr(dotPosition+1);
235    
236     // now find the position of the next dot
237     dotPosition = currentTitle.find(".");
238    
239     // increment level etc
240     level++;
241    
242     // we already are at 'packet' level because of
243     // the outer packet tags, get rif of it , only
244     // first one mind!
245     if ( levels[0] == "packet" ){
246     level--;
247 ab11 1.8 } // if
248    
249 ab11 1.4 } // while dotPosition
250    
251     // now grab the value title
252     levels[level] = currentTitle;
253    
254     // now have the levels and the level depth.
255     // check it against the last one, reconstruct a
256     // level string
257    
258     // only do this if the 2nd to last string is not
259     // atrribute
260     string newLevelString = "";
261    
262     if ( level > 0 ){
263     if ( levels[level-1] != "attributes" ){
264     // say it isn't an attribute, but write out
265     // the attribute first if the last one was
266     if ( attributeLevel != "" ){
267     xml.addElement(attributeLevel,attributes,"");
268     if ( debug == 1 ){
269     std::cout << "Adding Element + attributes" << endl;
270 ab11 1.8 } // if
271    
272 ab11 1.4 } // if
273     isAttrib = 0;
274     attributeLevel = "";
275     attributes = "";
276    
277     for ( int i=0; i < level; i++ ){
278     newLevelString += levels[i];
279     if ( i != level-1 ){
280     newLevelString += ".";
281 ab11 1.8 } // if
282 ab11 1.4 } // for
283     } // if levels[level]
284    
285     else
286    
287     {
288     // we need to add to the attributes
289     level -= 2;
290     for ( int i=0; i < level; i++ ){
291     newLevelString += levels[i];
292     if ( i != level-1 ){
293     newLevelString += ".";
294 ab11 1.8 } // if
295 ab11 1.4 } // for
296    
297     isAttrib = 1;
298     if ( attributeLevel == "" ){
299     // set this attribute to be the level
300     attributeLevel = levels[level];
301     } else {
302     if ( levels[level] != attributeLevel ){
303     // arrg! its a different level!
304     if ( attributeLevel != levels[level] ){
305     xml.addElement(attributeLevel,attributes,"");
306     if ( debug == 1 ){
307 ab11 1.7 std::cout << "Adding Element + attributes1" << endl;
308 ab11 1.8 } // if
309 ab11 1.4 attributeLevel = "";
310     attributes = "";
311     count++;
312     } // if
313     if ( count == titlepointer ){
314     xml.addElement(attributeLevel,attributes,"");
315     if ( debug == 1 ){
316 ab11 1.7 std::cout << "Adding Element + attributes2" << endl;
317 ab11 1.8 } // if
318 ab11 1.4 attributeLevel = "";
319     attributes = "";
320     count++;
321     } // if
322     } // if
323     } // if else
324    
325     } // else attributes
326     } // if level > 1
327     else {
328     if ( count == titlepointer ){
329     if ( attributeLevel != "" ){
330     xml.addElement(attributeLevel,attributes,"");
331     if ( debug == 1 ){
332 ab11 1.7 std::cout << "Adding Element + attributes3" << endl;
333 ab11 1.8 } // if
334 ab11 1.4 attributeLevel = "";
335     attributes = "";
336     count++;
337     } // if
338     } // if
339    
340    
341     for ( int i=0; i < level; i++ ){
342     newLevelString += levels[i];
343     if ( i != level-1 ){
344     newLevelString += ".";
345 ab11 1.8 } // if
346 ab11 1.4 } // for
347     } // if level == 1
348    
349     // check if it is the same
350     if ( newLevelString == currentLevel ){
351     // it is the same level, just add this as another element
352     if ( isAttrib ){
353     attributes += levels[level+2];
354 ab11 1.6 attributes += "=\"";
355 ab11 1.4 attributes += values[count];
356 ab11 1.6 attributes += "\" ";
357 ab11 1.8
358 ab11 1.4 } else {
359     xml.addElement(levels[level], values[count]);
360 ab11 1.7 count++;
361 ab11 1.4 if ( debug == 1 ){
362     std::cout << "Adding Element" << endl;
363 ab11 1.8 } // if
364     } // if
365 ab11 1.7
366 ab11 1.4 } else {
367     // gotta change it
368    
369     while( newLevelString.find(currentLevel) == string::npos ){
370    
371     if ( currentLevelint <= 0 ){
372     break;
373 ab11 1.8 } // if
374 ab11 1.4
375     // back up atleast one level...
376     xml.closeNest();
377     if ( debug == 1 ){
378     std::cout << "Closing Nest" << endl;
379 ab11 1.8 } // if
380 ab11 1.4 // remove the last item
381     currentLevelint--;
382    
383     currentLevel = "";
384     for ( int i=0; i<currentLevelint; i++ ){
385     currentLevel += currentLevels[i];
386     if ( i != currentLevelint-1 ){
387     currentLevel += ".";
388     } // if
389     } // for
390    
391     } // while
392    
393    
394     while ( newLevelString != currentLevel ){
395    
396     // now got to a level which we like.
397     currentLevels[currentLevelint] = levels[currentLevelint];
398    
399     // add in one more level and restart the loop
400     xml.addNest(levels[currentLevelint]);
401     if ( debug == 1 ){
402     std::cout << "Adding nest " << levels[currentLevelint] << endl;
403 ab11 1.8 } // if
404 ab11 1.4
405     // set this to be the top level of the new level
406     currentLevelint++;
407    
408     currentLevel = "";
409     for ( int i=0; i<currentLevelint; i++ ){
410     currentLevel += currentLevels[i];
411     if ( i != currentLevelint-1 ){
412     currentLevel += ".";
413     } // if
414     } // for
415    
416     } // while
417    
418    
419     } // if
420    
421     if ( debug == 1 ){
422     std::cout << "Retrying Main While" << endl;
423     } // if
424    
425     if ( retryCount > 10 ){
426     count++;
427     if ( debug == 1 ){
428     std::cout << "Tried too many times" << endl;
429     } // if
430     retryCount = 0;
431     } // if
432    
433 ab11 1.2 } // while
434 ab11 1.4
435     if ( debug == 1 ){
436     std::cout << "\n";
437 ab11 1.8 } // if
438 ab11 1.4
439 ab11 1.1 // return the string
440     return xml.returnXML();
441    
442     } // getData