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f2a74ed3 | 1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2007 Mathieu Desnoyers | |
3 | * | |
4 | * Complete rewrite from the original version made by XangXiu Yang. | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License Version 2.1 as published by the Free Software Foundation. | |
9 | * | |
10 | * This library 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 GNU | |
13 | * Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this library; if not, write to the | |
17 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | * Boston, MA 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | #ifdef HAVE_CONFIG_H | |
22 | #include <config.h> | |
23 | #endif | |
24 | ||
25 | #include <glib.h> | |
449cb9d7 | 26 | |
6cd62ccf | 27 | #include <ltt/event.h> |
d27446d1 | 28 | #include <ltt/ltt-types.h> |
a7074914 | 29 | #include <ltt/ltt-private.h> |
f4e57537 | 30 | #include <ltt/marker.h> |
31 | #include <ltt/marker-field.h> | |
6cd62ccf | 32 | |
eed2ef37 | 33 | /***************************************************************************** |
34 | *Function name | |
35 | * ltt_event_position_get : get the event position data | |
36 | *Input params | |
37 | * e : an instance of an event type | |
38 | * ep : a pointer to event's position structure | |
39 | * tf : tracefile pointer | |
40 | * block : current block | |
41 | * offset : current offset | |
42 | * tsc : current tsc | |
43 | ****************************************************************************/ | |
44 | void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, | |
45 | guint *block, guint *offset, guint64 *tsc) | |
46 | { | |
47 | *tf = ep->tracefile; | |
48 | *block = ep->block; | |
49 | *offset = ep->offset; | |
50 | *tsc = ep->tsc; | |
51 | } | |
52 | ||
53 | ||
6d0cdf22 | 54 | void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, |
55 | guint block, guint offset, guint64 tsc) | |
56 | { | |
57 | ep->tracefile = tf; | |
58 | ep->block = block; | |
59 | ep->offset = offset; | |
60 | ep->tsc = tsc; | |
61 | } | |
62 | ||
63 | ||
80da81ad | 64 | /***************************************************************************** |
65 | *Function name | |
66 | * ltt_event_position : get the event's position | |
67 | *Input params | |
68 | * e : an instance of an event type | |
69 | * ep : a pointer to event's position structure | |
70 | ****************************************************************************/ | |
71 | ||
8b0a0cc8 | 72 | void ltt_event_position(const LttEvent *e, LttEventPosition *ep) |
80da81ad | 73 | { |
3aee1200 | 74 | ep->tracefile = e->tracefile; |
75 | ep->block = e->block; | |
76 | ep->offset = e->offset; | |
77 | ep->tsc = e->tsc; | |
80da81ad | 78 | } |
79 | ||
a5dcde2f | 80 | LttEventPosition * ltt_event_position_new() |
81 | { | |
82 | return g_new(LttEventPosition, 1); | |
83 | } | |
84 | ||
80da81ad | 85 | |
96da5c0d | 86 | /***************************************************************************** |
87 | * Function name | |
88 | * ltt_event_position_compare : compare two positions | |
a00149f6 | 89 | * A NULL value is infinite. |
96da5c0d | 90 | * Input params |
91 | * ep1 : a pointer to event's position structure | |
92 | * ep2 : a pointer to event's position structure | |
93 | * Return | |
94 | * -1 is ep1 < ep2 | |
95 | * 1 if ep1 > ep2 | |
96 | * 0 if ep1 == ep2 | |
97 | ****************************************************************************/ | |
98 | ||
99 | ||
100 | gint ltt_event_position_compare(const LttEventPosition *ep1, | |
101 | const LttEventPosition *ep2) | |
102 | { | |
a00149f6 | 103 | if(ep1 == NULL && ep2 == NULL) |
104 | return 0; | |
105 | if(ep1 != NULL && ep2 == NULL) | |
106 | return -1; | |
107 | if(ep1 == NULL && ep2 != NULL) | |
108 | return 1; | |
96da5c0d | 109 | |
3aee1200 | 110 | if(ep1->tracefile != ep2->tracefile) |
111 | g_error("ltt_event_position_compare on different tracefiles makes no sense"); | |
112 | ||
113 | if(ep1->block < ep2->block) | |
96da5c0d | 114 | return -1; |
3aee1200 | 115 | if(ep1->block > ep2->block) |
96da5c0d | 116 | return 1; |
3aee1200 | 117 | if(ep1->offset < ep2->offset) |
96da5c0d | 118 | return -1; |
3aee1200 | 119 | if(ep1->offset > ep2->offset) |
96da5c0d | 120 | return 1; |
121 | return 0; | |
122 | } | |
123 | ||
2a74fbf4 | 124 | /***************************************************************************** |
125 | * Function name | |
126 | * ltt_event_position_copy : copy position | |
127 | * Input params | |
128 | * src : a pointer to event's position structure source | |
129 | * dest : a pointer to event's position structure dest | |
130 | * Return | |
131 | * void | |
132 | ****************************************************************************/ | |
133 | void ltt_event_position_copy(LttEventPosition *dest, | |
134 | const LttEventPosition *src) | |
135 | { | |
a00149f6 | 136 | if(src == NULL) |
137 | dest = NULL; | |
138 | else | |
139 | *dest = *src; | |
2a74fbf4 | 140 | } |
96da5c0d | 141 | |
142 | ||
27304273 | 143 | |
144 | LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) | |
145 | { | |
146 | return ep->tracefile; | |
147 | } | |
148 | ||
c37440c8 | 149 | /***************************************************************************** |
150 | * These functions extract data from an event after architecture specific | |
151 | * conversions | |
152 | ****************************************************************************/ | |
153 | guint32 ltt_event_get_unsigned(LttEvent *e, struct marker_field *f) | |
154 | { | |
155 | gboolean reverse_byte_order; | |
1184dc37 MD |
156 | struct LttField *eventfield; |
157 | int offset, size; | |
f2a74ed3 | 158 | |
c37440c8 | 159 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
160 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
161 | } else { | |
162 | reverse_byte_order = LTT_GET_BO(e->tracefile); | |
163 | } | |
164 | ||
1184dc37 MD |
165 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
166 | offset = eventfield->offset; | |
167 | size = eventfield->size; | |
168 | switch(size) { | |
c37440c8 | 169 | case 1: |
170 | { | |
1184dc37 MD |
171 | guint8 x = *(guint8 *)(e->data + offset); |
172 | return (guint32) x; | |
c37440c8 | 173 | } |
174 | break; | |
175 | case 2: | |
1184dc37 | 176 | return (guint32)ltt_get_uint16(reverse_byte_order, e->data + offset); |
c37440c8 | 177 | break; |
178 | case 4: | |
1184dc37 | 179 | return (guint32)ltt_get_uint32(reverse_byte_order, e->data + offset); |
c37440c8 | 180 | break; |
181 | case 8: | |
182 | default: | |
1184dc37 | 183 | g_critical("ltt_event_get_unsigned : field size %i unknown", size); |
c37440c8 | 184 | return 0; |
185 | break; | |
186 | } | |
187 | } | |
188 | ||
189 | gint32 ltt_event_get_int(LttEvent *e, struct marker_field *f) | |
190 | { | |
191 | gboolean reverse_byte_order; | |
1184dc37 MD |
192 | struct LttField *eventfield; |
193 | int offset, size; | |
194 | ||
c37440c8 | 195 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
196 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
197 | } else { | |
198 | reverse_byte_order = LTT_GET_BO(e->tracefile); | |
199 | } | |
200 | ||
1184dc37 MD |
201 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
202 | offset = eventfield->offset; | |
203 | size = eventfield->size; | |
204 | switch(size) { | |
c37440c8 | 205 | case 1: |
206 | { | |
1184dc37 MD |
207 | gint8 x = *(gint8 *)(e->data + offset); |
208 | return (gint32) x; | |
c37440c8 | 209 | } |
210 | break; | |
211 | case 2: | |
1184dc37 | 212 | return (gint32)ltt_get_int16(reverse_byte_order, e->data + offset); |
c37440c8 | 213 | break; |
214 | case 4: | |
1184dc37 | 215 | return (gint32)ltt_get_int32(reverse_byte_order, e->data + offset); |
c37440c8 | 216 | break; |
217 | case 8: | |
218 | default: | |
1184dc37 | 219 | g_critical("ltt_event_get_int : field size %i unknown", size); |
c37440c8 | 220 | return 0; |
221 | break; | |
222 | } | |
223 | } | |
224 | ||
225 | guint64 ltt_event_get_long_unsigned(LttEvent *e, struct marker_field *f) | |
226 | { | |
227 | gboolean reverse_byte_order; | |
1184dc37 MD |
228 | struct LttField *eventfield; |
229 | int offset, size; | |
230 | ||
c37440c8 | 231 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
232 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
233 | } else { | |
234 | reverse_byte_order = LTT_GET_BO(e->tracefile); | |
235 | } | |
236 | ||
1184dc37 MD |
237 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
238 | offset = eventfield->offset; | |
239 | size = eventfield->size; | |
240 | switch(size) { | |
c37440c8 | 241 | case 1: |
242 | { | |
1184dc37 MD |
243 | guint8 x = *(guint8 *)(e->data + offset); |
244 | return (guint64) x; | |
c37440c8 | 245 | } |
246 | break; | |
247 | case 2: | |
1184dc37 | 248 | return (guint64)ltt_get_uint16(reverse_byte_order, e->data + offset); |
c37440c8 | 249 | break; |
250 | case 4: | |
1184dc37 | 251 | return (guint64)ltt_get_uint32(reverse_byte_order, e->data + offset); |
c37440c8 | 252 | break; |
253 | case 8: | |
1184dc37 | 254 | return ltt_get_uint64(reverse_byte_order, e->data + offset); |
c37440c8 | 255 | break; |
256 | default: | |
1184dc37 | 257 | g_critical("ltt_event_get_long_unsigned : field size %i unknown", size); |
c37440c8 | 258 | return 0; |
259 | break; | |
260 | } | |
261 | } | |
262 | ||
263 | gint64 ltt_event_get_long_int(LttEvent *e, struct marker_field *f) | |
264 | { | |
265 | gboolean reverse_byte_order; | |
1184dc37 MD |
266 | struct LttField *eventfield; |
267 | int offset, size; | |
268 | ||
c37440c8 | 269 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
270 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
271 | } else { | |
272 | reverse_byte_order = LTT_GET_BO(e->tracefile); | |
273 | } | |
274 | ||
1184dc37 MD |
275 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
276 | offset = eventfield->offset; | |
277 | size = eventfield->size; | |
278 | switch(size) { | |
c37440c8 | 279 | case 1: |
280 | { | |
1184dc37 | 281 | gint8 x = *(gint8 *)(e->data + offset); |
c37440c8 | 282 | return (gint64) x; |
283 | } | |
284 | break; | |
285 | case 2: | |
1184dc37 | 286 | return (gint64)ltt_get_int16(reverse_byte_order, e->data + offset); |
c37440c8 | 287 | break; |
288 | case 4: | |
1184dc37 | 289 | return (gint64)ltt_get_int32(reverse_byte_order, e->data + offset); |
c37440c8 | 290 | break; |
291 | case 8: | |
1184dc37 | 292 | return ltt_get_int64(reverse_byte_order, e->data + offset); |
c37440c8 | 293 | break; |
294 | default: | |
1184dc37 | 295 | g_critical("ltt_event_get_long_int : field size %i unknown", size); |
c37440c8 | 296 | return 0; |
297 | break; | |
298 | } | |
299 | } | |
300 | ||
301 | #if 0 | |
302 | float ltt_event_get_float(LttEvent *e, struct marker_field *f) | |
303 | { | |
304 | gboolean reverse_byte_order; | |
1184dc37 MD |
305 | struct LttField *eventfield; |
306 | int offset, size; | |
307 | ||
c37440c8 | 308 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
309 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
310 | } else { | |
311 | g_assert(LTT_HAS_FLOAT(e->tracefile)); | |
312 | reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); | |
313 | } | |
314 | ||
1184dc37 MD |
315 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
316 | offset = eventfield->offset; | |
317 | size = eventfield->size; | |
318 | g_assert(f->field_type.type_class == LTT_FLOAT && size == 4); | |
c37440c8 | 319 | |
1184dc37 | 320 | if(reverse_byte_order == 0) return *(float *)(e->data + offset); |
c37440c8 | 321 | else{ |
1184dc37 | 322 | void *ptr = e->data + offset; |
c37440c8 | 323 | guint32 value = bswap_32(*(guint32*)ptr); |
324 | return *(float*)&value; | |
325 | } | |
326 | } | |
327 | ||
328 | double ltt_event_get_double(LttEvent *e, struct marker_field *f) | |
329 | { | |
330 | gboolean reverse_byte_order; | |
1184dc37 MD |
331 | struct LttField *eventfield; |
332 | int offset, size; | |
333 | ||
c37440c8 | 334 | if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { |
335 | reverse_byte_order = (g_ntohs(0x1) != 0x1); | |
336 | } else { | |
337 | g_assert(LTT_HAS_FLOAT(e->tracefile)); | |
338 | reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); | |
339 | } | |
340 | ||
1184dc37 MD |
341 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
342 | offset = eventfield->offset; | |
343 | size = eventfield->size; | |
344 | if(size == 4) | |
c37440c8 | 345 | return ltt_event_get_float(e, f); |
346 | ||
1184dc37 | 347 | g_assert(f->field_type.type_class == LTT_FLOAT && size == 8); |
c37440c8 | 348 | |
1184dc37 | 349 | if(reverse_byte_order == 0) return *(double *)(e->data + offset); |
c37440c8 | 350 | else { |
1184dc37 | 351 | void *ptr = e->data + offset; |
c37440c8 | 352 | guint64 value = bswap_64(*(guint64*)ptr); |
353 | return *(double*)&value; | |
354 | } | |
355 | } | |
356 | #endif | |
357 | ||
358 | /***************************************************************************** | |
359 | * The string obtained is only valid until the next read from | |
750eb11a | 360 | * the same tracefile. We reference directly the buffers. |
c37440c8 | 361 | ****************************************************************************/ |
750eb11a | 362 | gchar *ltt_event_get_string(LttEvent *e, struct marker_field *f) |
c37440c8 | 363 | { |
1184dc37 MD |
364 | struct LttField *eventfield; |
365 | int offset; | |
366 | ||
c37440c8 | 367 | g_assert(f->type == LTT_TYPE_STRING); |
368 | ||
750eb11a | 369 | //caused memory leaks |
370 | //return (gchar*)g_strdup((gchar*)(e->data + f->offset)); | |
1184dc37 MD |
371 | eventfield = ltt_event_field(e, marker_field_get_index(f)); |
372 | offset = eventfield->offset; | |
373 | return (gchar*)(e->data + offset); | |
c37440c8 | 374 | } |
375 | ||
376 |