Annotation of embedaddon/bmon/src/graph.c, revision 1.1
1.1 ! misho 1: /*
! 2: * graph.c Graph creation utility
! 3: *
! 4: * Copyright (c) 2001-2005 Thomas Graf <tgraf@suug.ch>
! 5: *
! 6: * Permission is hereby granted, free of charge, to any person obtaining a
! 7: * copy of this software and associated documentation files (the "Software"),
! 8: * to deal in the Software without restriction, including without limitation
! 9: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
! 10: * and/or sell copies of the Software, and to permit persons to whom the
! 11: * Software is furnished to do so, subject to the following conditions:
! 12: *
! 13: * The above copyright notice and this permission notice shall be included
! 14: * in all copies or substantial portions of the Software.
! 15: *
! 16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
! 17: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
! 18: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
! 19: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
! 20: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
! 21: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
! 22: * DEALINGS IN THE SOFTWARE.
! 23: */
! 24:
! 25: #include <bmon/bmon.h>
! 26: #include <bmon/graph.h>
! 27: #include <bmon/input.h>
! 28: #include <bmon/conf.h>
! 29: #include <bmon/item.h>
! 30: #include <bmon/node.h>
! 31: #include <bmon/conf.h>
! 32: #include <bmon/utils.h>
! 33:
! 34:
! 35: static void put_col(table_t *t, int data_idx, hist_data_t *src, int hist_idx,
! 36: double half_step)
! 37: {
! 38: int i;
! 39: char *col = D_AT_COL(t->t_data, data_idx);
! 40:
! 41: rate_cnt_t tot = src->hd_data[hist_idx];
! 42:
! 43: if (tot == UNK_DATA) {
! 44: for (i = 0; i < t->t_height; i++)
! 45: *(D_AT_ROW(col, i)) = get_unk_char();
! 46: } else if (tot) {
! 47: *(D_AT_ROW(col, 0)) = ':';
! 48:
! 49: for (i = 0; i < t->t_height; i++)
! 50: if (tot >= (t->t_y_scale[i] - half_step))
! 51: *(D_AT_ROW(col, i)) = get_fg_char();
! 52: }
! 53: }
! 54:
! 55: static void create_table(table_t *t, hist_data_t *src, int index, int height,
! 56: int unit)
! 57: {
! 58: int i, di;
! 59: size_t dsize = height * (HISTORY_SIZE + 1);
! 60: rate_cnt_t max = 0;
! 61: double half_step, step;
! 62:
! 63: t->t_index = index;
! 64: t->t_height = height;
! 65: t->t_y_scale = xcalloc(height, sizeof(double));
! 66: t->t_data = xcalloc(dsize, sizeof(char));
! 67:
! 68: memset(t->t_data, get_bg_char(), dsize);
! 69:
! 70: for (i = 0; i < height; i++)
! 71: *(D_AT_COL(D_AT_ROW(t->t_data, i), HISTORY_SIZE)) = '\0';
! 72:
! 73: for (i = 0; i < HISTORY_SIZE; i++)
! 74: if (max < src->hd_data[i] && src->hd_data[i] != UNK_DATA)
! 75: max = src->hd_data[i];
! 76:
! 77: step = (double) max / (double) height;
! 78: half_step = step / 2.0f;
! 79:
! 80: for (i = 0; i < height; i++)
! 81: t->t_y_scale[i] = (double) (i + 1) * step;
! 82:
! 83: for (di = 0, i = (index - 1); i >= 0; di++, i--)
! 84: put_col(t, di, src, i, half_step);
! 85:
! 86: for (i = (HISTORY_SIZE - 1); di < HISTORY_SIZE; di++, i--)
! 87: put_col(t, di, src, i, half_step);
! 88:
! 89: {
! 90: b_cnt_t div;
! 91: int h = (height / 3) * 2;
! 92:
! 93: if (h >= height)
! 94: h = (height - 1);
! 95:
! 96: div = get_divisor(t->t_y_scale[h], unit, &t->t_y_unit, NULL);
! 97:
! 98: for (i = 0; i < height; i++)
! 99: t->t_y_scale[i] /= (double) div;
! 100: }
! 101: }
! 102:
! 103: graph_t * create_graph(hist_elem_t *src, int height, int unit)
! 104: {
! 105: graph_t *g;
! 106:
! 107: g = xcalloc(1, sizeof(graph_t));
! 108:
! 109: create_table(&g->g_rx, &src->he_rx, src->he_index, height, unit);
! 110: create_table(&g->g_tx, &src->he_tx, src->he_index, height, unit);
! 111:
! 112: return g;
! 113: }
! 114:
! 115: graph_t * create_configued_graph(history_t *src, int height, int unit,
! 116: int x_unit)
! 117: {
! 118: graph_t *g;
! 119: hist_elem_t *e = NULL;
! 120: char *u = "s";
! 121: int h = 0;
! 122:
! 123: switch (x_unit) {
! 124: case X_SEC: u = "s"; e = &src->h_sec; break;
! 125: case X_MIN: u = "m"; e = &src->h_min; break;
! 126: case X_HOUR: u = "h"; e = &src->h_hour; break;
! 127: case X_DAY: u = "d"; e = &src->h_day; break;
! 128: case X_READ: {
! 129: if (get_read_interval() != 1.0f) {
! 130: char buf[32];
! 131: float ri = get_read_interval();
! 132:
! 133: snprintf(buf, sizeof(buf), "(%.2fs)", ri);
! 134: u = strdup(buf);
! 135: h = 1;
! 136: e = &src->h_read;
! 137: } else {
! 138: u = "s";
! 139: e = &src->h_sec;
! 140: }
! 141: }
! 142: break;
! 143: }
! 144:
! 145: if (NULL == e)
! 146: BUG();
! 147:
! 148: g = create_graph(e, height, unit);
! 149:
! 150: if (h)
! 151: g->g_flags |= GRAPH_HAS_FREEABLE_X_UNIT;
! 152:
! 153: g->g_rx.t_x_unit = u;
! 154: g->g_tx.t_x_unit = u;
! 155:
! 156: return g;
! 157: }
! 158:
! 159: static void free_table(table_t *t)
! 160: {
! 161: xfree(t->t_y_scale);
! 162: xfree(t->t_data);
! 163: }
! 164:
! 165: void free_graph(graph_t *g)
! 166: {
! 167: if (g->g_flags & GRAPH_HAS_FREEABLE_X_UNIT)
! 168: xfree(g->g_rx.t_x_unit);
! 169:
! 170: free_table(&g->g_rx);
! 171: free_table(&g->g_tx);
! 172: xfree(g);
! 173: }
! 174:
! 175: void new_graph(void)
! 176: {
! 177: if (get_ngraphs() >= (MAX_GRAPHS - 1))
! 178: return;
! 179: set_ngraphs(get_ngraphs() + 1);
! 180: }
! 181:
! 182: void del_graph(void)
! 183: {
! 184: if (get_ngraphs() <= 1)
! 185: return;
! 186: set_ngraphs(get_ngraphs() - 1);
! 187: }
! 188:
! 189: int next_graph(void)
! 190: {
! 191: item_t *it = get_current_item();
! 192: if (it == NULL)
! 193: return EMPTY_LIST;
! 194:
! 195: if (it->i_graph_sel >= (get_ngraphs() - 1))
! 196: it->i_graph_sel = 0;
! 197: else
! 198: it->i_graph_sel++;
! 199:
! 200: return 0;
! 201: }
! 202:
! 203: int prev_graph(void)
! 204: {
! 205: item_t *it = get_current_item();
! 206: if (it == NULL)
! 207: return EMPTY_LIST;
! 208:
! 209: if (it->i_graph_sel <= 0)
! 210: it->i_graph_sel = get_ngraphs() - 1;
! 211: else
! 212: it->i_graph_sel--;
! 213:
! 214: return 0;
! 215: }
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