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authorPim van den Berg2013-05-10 21:36:54 +0200
committerPim van den Berg2013-05-10 21:36:54 +0200
commit0163faefef02207ad0ea3330af688103633293ff (patch)
treec407fca93a3418af59c4c7133327f5bc1630fba5 /js/RrdCmdLine.js
parentMerge pull request #5 from mce35/nut (diff)
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import js directory from jsrrdgraph for client side graph rendering
Source: https://github.com/manuelluis/jsrrdgraph@276b880
Diffstat (limited to 'js/RrdCmdLine.js')
-rw-r--r--js/RrdCmdLine.js513
1 files changed, 513 insertions, 0 deletions
diff --git a/js/RrdCmdLine.js b/js/RrdCmdLine.js
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1/**
2 *
3 * This program is free software; you can redistribute it and/or modify it
4 * under the terms of the GNU General Public License as published by the Free
5 * Software Foundation; either version 2 of the License, or (at your option)
6 * any later version.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
16
17 *
18 * Manuel Sanmartin <manuel.luis at gmail.com>
19 **/
20
21"use strict";
22
23/**
24 * RrdCmdLine
25 * @constructor
26 */
27var RrdCmdLine = function() {
28 // if (arguments.lenght === 3) // XXX
29 this.init.apply(this, arguments);
30};
31
32RrdCmdLine.prototype = {
33 graph: null,
34
35 init: function (gfx, fetch, line)
36 {
37 this.graph = new RrdGraph(gfx, fetch);
38 this.cmdline(line);
39 },
40 cmdline: function(line) // FIXME
41 {
42 var i = 0;
43 line = line.replace(/\n/g," ");
44 var lines = line.match(/[^" ]+|"[^"]+"/g);
45 var len = lines.length;
46
47 while (i < len) {
48 var arg = lines[i];
49 if (arg.charAt(0) === '"' && arg.charAt(arg.length-1) === '"')
50 arg = arg.substr(1,arg.length-2);
51 if (/^LINE[0-9.]+:/.test(arg)) {
52 this.parse_line(arg);
53 } else if (/^AREA:/.test(arg)) {
54 this.parse_area(arg);
55 } else if (/^DEF:/.test(arg)) {
56 this.parse_def(arg);
57 } else if (/^CDEF:/.test(arg)) {
58 this.parse_cdef(arg);
59 } else if (/^VDEF:/.test(arg)) {
60 this.parse_vdef(arg);
61 } else if (/^GPRINT:/.test(arg)) {
62 this.parse_gprint(arg);
63 } else if (/^COMMENT:/.test(arg)) {
64 this.parse_comment(arg);
65 } else if (/^VRULE:/.test(arg)) {
66 this.parse_vrule(arg);
67 } else if (/^HRULE:/.test(arg)) {
68 this.parse_hrule(arg);
69 } else if (/^TICK:/.test(arg)) {
70 this.parse_tick(arg);
71 } else if (/^TEXTALIGN:/.test(arg)) {
72 this.parse_textaling(arg);
73 } else if (/^SHIFT:/.test(arg)) {
74 this.parse_shift(arg);
75 } else if (arg.charAt(0) === '-') {
76 var strip = 1;
77 if (arg.length > 1 && arg.charAt(1) === '-') {
78 strip = 2;
79 }
80 var option = arg.substr(strip);
81 var value = undefined;
82
83 if (option.indexOf('=') !== -1) {
84 var index = option.indexOf('=');
85 value = option.substr(index+1);
86 option = option.substr(0,index);
87 } else if (i+1 < len) {
88 if (lines[i+1].charAt(0) !== '-' &&
89 !/^"?LINE[0-9.]+:/.test(lines[i+1]) &&
90 !/^"?AREA:/.test(lines[i+1]) &&
91 !/^"?DEF:/.test(lines[i+1]) &&
92 !/^"?CDEF:/.test(lines[i+1]) &&
93 !/^"?VDEF:/.test(lines[i+1]) &&
94 !/^"?GPRINT:/.test(lines[i+1]) &&
95 !/^"?COMMENT:/.test(lines[i+1]) &&
96 !/^"?HRULE:/.test(lines[i+1]) &&
97 !/^"?VRULE:/.test(lines[i+1]) &&
98 !/^"?TICK:/.test(lines[i+1]) &&
99 !/^"?TEXTALING:/.test(lines[i+1]) &&
100 !/^"?SHIFT:/.test(lines[i+1])
101 ) {
102 i++;
103 if (lines[i].charAt(0) === '"' && lines[i].charAt(lines[i].length-1) === '"')
104 value = lines[i].substr(1,lines[i].length-2);
105 else
106 value = lines[i];
107 }
108 }
109 this.set_option(option, value);
110 } else {
111 throw "Unknow argument: "+arg;
112 }
113 i++;
114 }
115 var start_end = RrdTime.proc_start_end(this.graph.start_t, this.graph.end_t); // FIXME here?
116 this.graph.start = start_end[0];
117 this.graph.end = start_end[1];
118 },
119 set_option: function(option, value)
120 {
121 switch(option) {
122 case 'alt-autoscale':
123 case 'A':
124 this.graph.alt_autoscale = true;
125 break;
126 case 'base':
127 case 'b':
128 this.graph.base = parseInt(value, 10);
129 if (this.graph.base !== 1000 && this.graph.base !== 1024)
130 throw 'the only sensible value for base apart from 1000 is 1024';
131 break;
132 case 'color':
133 case 'c':
134 var index = value.indexOf('#');
135 if (index === -1)
136 throw "invalid color def format";
137 var name = value.substr(0,index);
138 if (!this.graph.GRC[name])
139 throw "invalid color name '"+name+"'"
140 this.graph.GRC[name] = value.substr(index); // FIXME check color
141 break;
142 case 'full-size-mode':
143 case 'D':
144 this.graph.full_size_mode = true;
145 break;
146 case 'slope-mode':
147 case 'E':
148 this.graph.slopemode = true;
149 break;
150 case 'end':
151 case 'e':
152 this.graph.end_t = new RrdTime(value);
153// this.graph.end = parseInt(value, 10);
154 break;
155 case 'force-rules-legend':
156 case 'F':
157 this.graph.force_rules_legend = true;
158 break;
159 case 'imginfo':
160 case 'f':
161 // im->imginfo = optarg;
162 break;
163 case 'graph-render-mode':
164 case 'G':
165 // im->graph_antialias
166 break;
167 case 'no-legend':
168 case 'g':
169 this.graph.no_legend = true;
170 break;
171 case 'height':
172 case 'h':
173 this.graph.ysize = parseInt(value, 10);
174 break;
175 case 'no-minor':
176 case 'I':
177 this.graph.no_minor = false;
178 break;
179 case 'interlaced':
180 case 'i':
181 break;
182 case 'alt-autoscale-min':
183 case 'J':
184 this.graph.alt_autoscale_min = true;
185 break;
186 case 'only-graph':
187 case 'j':
188 this.graph.only_graph = true;
189 break;
190 case 'units-length':
191 case 'L':
192 this.graph.unitslength = parseInt(value, 10);
193 this.graph.forceleftspace = true;
194 break;
195 case 'lower-limit':
196 case 'l':
197 this.graph.setminval = parseFloat(value)
198 break;
199 case 'alt-autoscale-max':
200 case 'M':
201 this.graph.alt_autoscale_max = true;
202 break;
203 case 'zoom':
204 case 'm':
205 this.graph.zoom = parseFloat(value);
206 if (this.graph.zoom <= 0.0)
207 throw "zoom factor must be > 0";
208 break;
209 case 'no-gridfit':
210 case 'N':
211 this.graph.gridfit = true;
212 break;
213 case 'font':
214 case 'n':
215 var args = value.split(':');
216 if (args.length !== 3)
217 throw "invalid text property format";
218 if (!this.graph.TEXT[args[0]])
219 throw "invalid fonttag '"+args[0]+"'"
220 if (args[1] > 0)
221 this.graph.TEXT[args[0]].size = args[1];
222 if (args[2])
223 this.graph.TEXT[args[0]].font = args[2];
224 break;
225 case 'logarithmic':
226 case 'o':
227 this.graph.logarithmic = true;
228 break;
229 case 'pango-markup':
230 case 'P':
231 // im->with_markup = 1;
232 break;
233 case 'font-render-mode':
234 case 'R':
235 // im->font_options: normal light mono
236 break;
237 case 'rigid':
238 case 'r':
239 this.graph.rigid = true;
240 break;
241 case 'step':
242 this.graph.step = parseInt(value, 10);
243 break;
244 case 'start':
245 case 's':
246 this.graph.start_t = new RrdTime(value);
247 //this.graph.start = parseInt(value, 10);
248 break;
249 case 'tabwidth':
250 case 'T':
251 this.graph.tabwidth = parseFloat(value);
252 break;
253 case 'title':
254 case 't':
255 this.graph.title = value;
256 break;
257 case 'upper-limit':
258 case 'u':
259 this.graph.setmaxval = parseFloat(value);
260 break;
261 case 'vertical-label':
262 case 'v':
263 this.graph.ylegend = value;
264 break;
265 case 'watermark':
266 case 'W':
267 this.graph.watermark = value;
268 break;
269 case 'width':
270 case 'w':
271 this.graph.xsize = parseInt(value, 10);
272 if (this.graph.xsize < 10)
273 throw "width below 10 pixels";
274 break;
275 case 'units-exponent':
276 case 'X':
277 this.graph.unitsexponent = parseInt(value, 10);
278 break;
279 case 'x-grid':
280 case 'x':
281 if (value === 'none') {
282 this.graph.draw_x_grid = false;
283 } else {
284 var args = value.split(':');
285 if (args.length !== 8)
286 throw "invalid x-grid format";
287 this.graph.xlab_user.gridtm = this.graph.tmt_conv(args[0]);
288 if (this.graph.xlab_user.gridtm < 0)
289 throw "unknown keyword "+args[0];
290 this.graph.xlab_user.gridst = parseInt(args[1], 10);
291 this.graph.xlab_user.mgridtm = this.graph.tmt_conv(args[2]);
292 if (this.graph.xlab_user.mgridtm < 2)
293 throw "unknown keyword "+args[2];
294 this.graph.xlab_user.mgridst = parseInt(args[3], 10);
295 this.graph.xlab_user.labtm = this.graph.tmt_conv(args[4]);
296 if (this.graph.xlab_user.labtm < 0)
297 throw "unknown keyword "+args[4];
298 this.graph.xlab_user.labst = parseInt(args[5], 10);
299 this.graph.xlab_user.precis = parseInt(args[6], 10);
300 this.graph.xlab_user.minsec = 1;
301 this.graph.xlab_form = args[7]; // FIXME : ? join(:)
302 this.graph.xlab_user.stst = this.graph.xlab_form;
303 }
304 break;
305 case 'alt-y-grid':
306 case 'Y':
307 this.graph.alt_ygrid = true;
308 break;
309 case 'y-grid':
310 case 'y':
311 if (value === 'none') {
312 this.graph.draw_y_grid = false;
313 } else {
314 var index = value.indexOf(':');
315 if (index === -1)
316 throw "invalid y-grid format";
317 this.graph.ygridstep = parseFloat(value.substr(0,index));
318 if (this.graph.ygridstep <= 0)
319 throw "grid step must be > 0";
320 this.graph.ylabfact = parseInt(value.substr(index+1), 10);
321 if (this.graph.ylabfact < 1)
322 throw "label factor must be > 0";
323 }
324 break;
325 case 'lazy':
326 case 'z':
327 this.graph.lazy = 1;
328 break;
329 case 'units':
330 if (this.graph.force_units)
331 throw "--units can only be used once!";
332 if (value === 'si')
333 this.graph.force_units_si = true;
334 else
335 throw "invalid argument for --units: "+value;
336 break;
337 case 'alt-y-mrtg':
338 break;
339 case 'disable-rrdtool-tag':
340 this.graph.no_rrdtool_tag = true;
341 break;
342 case 'right-axis':
343 var index = value.indexOf(':');
344 if (index === -1)
345 throw "invalid right-axis format expected scale:shift";
346 this.graph.second_axis_scale = parseFloat(value.substr(0,index));
347 if(this.graph.second_axis_scale === 0)
348 throw "the second_axis_scale must not be 0";
349 this.graph.second_axis_shift = parseFloat(value.substr(index+1));
350 break;
351 case 'right-axis-label':
352 this.graph.second_axis_legend = value;
353 break;
354 case 'right-axis-format':
355 this.graph.second_axis_format = value;
356 break;
357 case 'legend-position':
358 if (value === "north") {
359 this.graph.legendposition = this.graph.LEGEND_POS.NORTH;
360 } else if (value === "west") {
361 this.graph.legendposition = this.graph.LEGEND_POS.WEST;
362 } else if (value === "south") {
363 this.graph.legendposition = this.graph.LEGEND_POS.SOUTH;
364 } else if (value === "east") {
365 this.graph.legendposition = this.graph.LEGEND_POS.EAST;
366 } else {
367 throw "unknown legend-position '"+value+"'";
368 }
369 break;
370 case 'legend-direction':
371 if (value === "topdown") {
372 this.graph.legenddirection = this.graph.LEGEND_DIR.TOP_DOWN;
373 } else if (value === "bottomup") {
374 this.graph.legenddirection = this.graph.LEGEND_DIR.BOTTOM_UP;
375 } else {
376 throw "unknown legend-position '"+value+"'";
377 }
378 break;
379 case 'border':
380 this.graph.draw_3d_border = parseInt(value, 10);
381 break;
382 case 'grid-dash':
383 var index = value.indexOf(':');
384 if (index === -1)
385 throw "expected grid-dash format float:float";
386 this.graph.grid_dash_on = parseFloat(value.substr(0,index));
387 this.graph.grid_dash_off = parseFloat(value.substr(index+1));
388 break;
389 case 'dynamic-labels':
390 this.graph.dynamic_labels = true;
391 break;
392 default:
393 throw 'Unknow option "'+option+'"';
394 }
395
396 },
397 // DEF:<vname>=<rrdfile>:<ds-name>:<CF>[:step=<step>][:start=<time>][:end=<time>][:reduce=<CF>]
398 parse_def: function (line)
399 {
400 var args = line.split(/:/);
401 var n=1;
402 var vnames = args[n++].split('=');
403 var vname = vnames[0];
404 var rrdfile = vnames[1];
405 var name = args[n++];
406 var cf = args[n++];
407 var step = undefined;
408 var reduce = undefined;
409 var start = undefined;
410 var end = undefined;
411 if (args.length > n) {
412 for (var j = n, xlen = args.length ; j < xlen ; j++) {
413 var opts = args[j].split("=");
414 if (opts[0] === "step") step = opts[1];
415 if (opts[0] === "reduce") reduce = opts[1]
416 if (opts[0] === "start") start = opts[1];
417 if (opts[0] === "end") end = opts[1];
418 }
419 }
420 this.graph.gdes_add_def(vname, rrdfile, name, cf, step, start, end, reduce)
421 },
422 // CDEF:vname=RPN expression
423 parse_cdef: function (line)
424 {
425 var args = line.split(/:|=/);
426 this.graph.gdes_add_cdef(args[1], args[2]);
427 },
428 // VDEF:vname=RPN expression
429 parse_vdef: function (line)
430 {
431 var args = line.split(/:|=/);
432 this.graph.gdes_add_vdef(args[1], args[2]);
433 },
434 // SHIFT:vname:offset
435 parse_shift: function (line)
436 {
437 var args = line.split(':');
438 this.graph.gdes_add_shift(args[1], args[2]);
439 },
440 // LINE[width]:value[#color][:[legend][:STACK]][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
441 parse_line: function (line)
442 {
443 var args = line.split(/#|:/);
444 var width = parseFloat(args[0].substr(4));
445 var stack = args[4] === 'STACK' ? true : undefined;
446 var color = this.graph.parse_color(args[2]);
447 this.graph.gdes_add_line(width, args[1], this.graph.color2rgba(color), args[3], stack);
448 },
449 // AREA:value[#color][:[legend][:STACK]]
450 parse_area: function (line)
451 {
452 var args = line.split(/#|:/);
453 var stack = args[3] === 'STACK' ? true : undefined;
454 var color = this.graph.parse_color(args[2]);
455 this.graph.gdes_add_area(args[1], this.graph.color2rgba(color), stack);
456 },
457 // TICK:vname#rrggbb[aa][:fraction[:legend]]
458 parse_tick: function (line)
459 {
460 var args = line.split(/:|#/);
461 var color = this.graph.parse_color(args[2]);
462 this.graph.gdes_add_tick(args[1], this.graph.color2rgba(color), args[3], args[4]);
463 },
464 // GPRINT:vname:format
465 parse_gprint: function(line)
466 {
467 var args = line.split(':');
468 var strftime = false;
469 var vname = args[1];
470 var cf = args[2];
471 var format = "";
472 if (args.length > 3) {
473 var m=0;
474 for (var j = 3, xlen = args.length ; j < xlen ; j++) {
475 if (args[j] === 'strftime') {
476 strftime = true;
477 } else {
478 if (m>0) {
479 format = format + ':'+ args[j];
480 } else {
481 format = args[j];
482 }
483 m++;
484 }
485 }
486 }
487 this.graph.gdes_add_gprint(vname, cf, format, strftime);
488 },
489 //COMMENT:text
490 parse_comment: function (line)
491 {
492 var index = line.indexOf(':');
493 this.graph.gdes_add_comment(line.substr(index+1));
494 },
495 // TEXTALIGN:{left|right|justified|center}
496 parse_textaling: function (line)
497 {
498 var index = line.indexOf(':');
499 this.graph.gdes_add_textaling(line.substr(index+1));
500 },
501 // VRULE:time#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
502 parse_vrule: function (line)
503 {
504 var args = line.split(/:|#/);
505 this.graph.gdes_add_vrule(args[1], '#'+args[2], args[3]);
506 },
507 // HRULE:value#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
508 parse_hrule: function (line)
509 {
510 var args = line.split(/:|#/);
511 this.graph.gdes_add_hrule(args[1], '#'+args[2], args[3]);
512 }
513};
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