2 * Substantial penalty for early withdrawal.
8 #include "../../src/rrd_tool.h"
10 typedef struct string_arr_t {
28 #define RRD_CHECK_ERROR \
29 if (rrd_test_error()) \
30 rb_raise(rb_eRRDError, rrd_get_error()); \
33 string_arr string_arr_new(
40 Check_Type(rb_strings, T_ARRAY);
41 a.len = RARRAY_LEN(rb_strings) + 1;
43 a.strings = malloc(a.len * sizeof(char *));
44 a.strings[0] = "dummy"; /* first element is a dummy element */
46 for (i = 0; i < a.len - 1; i++) {
47 VALUE v = rb_ary_entry(rb_strings, i);
51 a.strings[i + 1] = strdup(STR2CSTR(v));
54 snprintf(buf, 63, "%d", FIX2INT(v));
55 a.strings[i + 1] = strdup(buf);
58 rb_raise(rb_eTypeError,
59 "invalid argument - %s, expected T_STRING or T_FIXNUM on index %d",
60 rb_class2name(CLASS_OF(v)), i);
68 void string_arr_delete(
73 /* skip dummy first entry */
74 for (i = 1; i < a.len; i++) {
97 a = string_arr_new(args);
99 func(a.len, a.strings);
100 string_arr_delete(a);
102 RRD_CHECK_ERROR return Qnil;
109 return rrd_call(rrd_create, args);
116 return rrd_call(rrd_dump, args);
123 return rrd_call(rrd_resize, args);
126 VALUE rb_rrd_restore(
130 return rrd_call(rrd_restore, args);
137 return rrd_call(rrd_tune, args);
144 return rrd_call(rrd_update, args);
147 VALUE rb_rrd_flushcached(
151 return rrd_call(rrd_flushcached, args);
155 /* Calls Returning Data via the Info Interface */
157 VALUE rb_rrd_infocall(
162 rrd_info_t *p, *data;
165 a = string_arr_new(args);
167 data = func(a.len, a.strings);
168 string_arr_delete(a);
170 RRD_CHECK_ERROR result = rb_hash_new();
174 VALUE key = rb_str_new2(data->key);
176 switch (data->type) {
178 if (isnan(data->value.u_val)) {
179 rb_hash_aset(result, key, Qnil);
181 rb_hash_aset(result, key, rb_float_new(data->value.u_val));
185 rb_hash_aset(result, key, INT2FIX(data->value.u_cnt));
188 rb_hash_aset(result, key, rb_str_new2(data->value.u_str));
191 rb_hash_aset(result, key, INT2FIX(data->value.u_int));
194 rb_hash_aset(result, key,
195 rb_str_new((char *)data->value.u_blo.ptr,
196 data->value.u_blo.size));
209 return rb_rrd_infocall(rrd_info, args);
212 VALUE rb_rrd_updatev(
216 return rb_rrd_infocall(rrd_update_v, args);
223 return rb_rrd_infocall(rrd_graph_v, args);
234 unsigned long i, j, k, step, ds_cnt;
235 rrd_value_t *raw_data;
237 VALUE data, names, result;
240 a = string_arr_new(args);
242 rrd_fetch(a.len, a.strings, &start, &end, &step, &ds_cnt, &raw_names,
244 string_arr_delete(a);
246 RRD_CHECK_ERROR names = rb_ary_new();
248 for (i = 0; i < ds_cnt; i++) {
249 rb_ary_push(names, rb_str_new2(raw_names[i]));
250 rrd_freemem(raw_names[i]);
252 rrd_freemem(raw_names);
256 for (i = start; i <= end; i += step) {
257 VALUE line = rb_ary_new2(ds_cnt);
259 for (j = 0; j < ds_cnt; j++) {
260 rb_ary_store(line, j, rb_float_new(raw_data[k]));
263 rb_ary_push(data, line);
265 rrd_freemem(raw_data);
267 result = rb_ary_new2(5);
268 rb_ary_store(result, 0, INT2NUM(start));
269 rb_ary_store(result, 1, INT2NUM(end));
270 rb_ary_store(result, 2, names);
271 rb_ary_store(result, 3, data);
272 rb_ary_store(result, 4, INT2FIX(step));
282 VALUE result, print_results;
286 a = string_arr_new(args);
288 rrd_graph(a.len, a.strings, &calcpr, &xsize, &ysize, NULL, &ymin, &ymax);
289 string_arr_delete(a);
291 RRD_CHECK_ERROR result = rb_ary_new2(3);
293 print_results = rb_ary_new();
295 for (p = calcpr; p && *p; p++) {
296 rb_ary_push(print_results, rb_str_new2(*p));
300 rb_ary_store(result, 0, print_results);
301 rb_ary_store(result, 1, INT2FIX(xsize));
302 rb_ary_store(result, 2, INT2FIX(ysize));
314 a = string_arr_new(args);
316 last = rrd_last(a.len, a.strings);
317 string_arr_delete(a);
320 return rb_funcall(rb_cTime, rb_intern("at"), 1, UINT2NUM(last));
328 unsigned long i, j, k, step, col_cnt;
332 VALUE legend, result, rdata;
335 a = string_arr_new(args);
336 rrd_xport(a.len, a.strings, &xxsize, &start, &end, &step, &col_cnt, &legend_v, &data);
337 string_arr_delete(a);
341 legend = rb_ary_new();
342 for (i = 0; i < col_cnt; i++) {
343 rb_ary_push(legend, rb_str_new2(legend_v[i]));
349 rdata = rb_ary_new();
350 for (i = start; i <= end; i += step) {
351 VALUE line = rb_ary_new2(col_cnt);
352 for (j = 0; j < col_cnt; j++) {
353 rb_ary_store(line, j, rb_float_new(data[k]));
356 rb_ary_push(rdata, line);
360 result = rb_ary_new2(6);
361 rb_ary_store(result, 0, INT2FIX(start));
362 rb_ary_store(result, 1, INT2FIX(end));
363 rb_ary_store(result, 2, INT2FIX(step));
364 rb_ary_store(result, 3, INT2FIX(col_cnt));
365 rb_ary_store(result, 4, legend);
366 rb_ary_store(result, 5, rdata);
373 mRRD = rb_define_module("RRD");
374 rb_eRRDError = rb_define_class("RRDError", rb_eStandardError);
376 rb_define_module_function(mRRD, "create", rb_rrd_create, -2);
377 rb_define_module_function(mRRD, "dump", rb_rrd_dump, -2);
378 rb_define_module_function(mRRD, "fetch", rb_rrd_fetch, -2);
379 rb_define_module_function(mRRD, "graph", rb_rrd_graph, -2);
380 rb_define_module_function(mRRD, "last", rb_rrd_last, -2);
381 rb_define_module_function(mRRD, "resize", rb_rrd_resize, -2);
382 rb_define_module_function(mRRD, "restore", rb_rrd_restore, -2);
383 rb_define_module_function(mRRD, "tune", rb_rrd_tune, -2);
384 rb_define_module_function(mRRD, "update", rb_rrd_update, -2);
385 rb_define_module_function(mRRD, "flushcached", rb_rrd_flushcached, -2);
386 rb_define_module_function(mRRD, "info", rb_rrd_info, -2);
387 rb_define_module_function(mRRD, "updatev", rb_rrd_updatev, -2);
388 rb_define_module_function(mRRD, "graphv", rb_rrd_graphv, -2);
389 rb_define_module_function(mRRD, "xport", rb_rrd_xport, -2);