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1 | |
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2 | #include <ltt/event.h> |
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3 | |
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4 | /***************************************************************************** |
| 5 | *Function name |
| 6 | * ltt_event_position_get : get the event position data |
| 7 | *Input params |
| 8 | * e : an instance of an event type |
| 9 | * ep : a pointer to event's position structure |
| 10 | * tf : tracefile pointer |
| 11 | * block : current block |
| 12 | * offset : current offset |
| 13 | * tsc : current tsc |
| 14 | ****************************************************************************/ |
| 15 | void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, |
| 16 | guint *block, guint *offset, guint64 *tsc) |
| 17 | { |
| 18 | *tf = ep->tracefile; |
| 19 | *block = ep->block; |
| 20 | *offset = ep->offset; |
| 21 | *tsc = ep->tsc; |
| 22 | } |
| 23 | |
| 24 | |
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25 | void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, |
| 26 | guint block, guint offset, guint64 tsc) |
| 27 | { |
| 28 | ep->tracefile = tf; |
| 29 | ep->block = block; |
| 30 | ep->offset = offset; |
| 31 | ep->tsc = tsc; |
| 32 | } |
| 33 | |
| 34 | |
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35 | /***************************************************************************** |
| 36 | *Function name |
| 37 | * ltt_event_position : get the event's position |
| 38 | *Input params |
| 39 | * e : an instance of an event type |
| 40 | * ep : a pointer to event's position structure |
| 41 | ****************************************************************************/ |
| 42 | |
| 43 | void ltt_event_position(LttEvent *e, LttEventPosition *ep) |
| 44 | { |
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45 | ep->tracefile = e->tracefile; |
| 46 | ep->block = e->block; |
| 47 | ep->offset = e->offset; |
| 48 | ep->tsc = e->tsc; |
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49 | } |
| 50 | |
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51 | LttEventPosition * ltt_event_position_new() |
| 52 | { |
| 53 | return g_new(LttEventPosition, 1); |
| 54 | } |
| 55 | |
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56 | |
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57 | /***************************************************************************** |
| 58 | * Function name |
| 59 | * ltt_event_position_compare : compare two positions |
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60 | * A NULL value is infinite. |
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61 | * Input params |
| 62 | * ep1 : a pointer to event's position structure |
| 63 | * ep2 : a pointer to event's position structure |
| 64 | * Return |
| 65 | * -1 is ep1 < ep2 |
| 66 | * 1 if ep1 > ep2 |
| 67 | * 0 if ep1 == ep2 |
| 68 | ****************************************************************************/ |
| 69 | |
| 70 | |
| 71 | gint ltt_event_position_compare(const LttEventPosition *ep1, |
| 72 | const LttEventPosition *ep2) |
| 73 | { |
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74 | if(ep1 == NULL && ep2 == NULL) |
| 75 | return 0; |
| 76 | if(ep1 != NULL && ep2 == NULL) |
| 77 | return -1; |
| 78 | if(ep1 == NULL && ep2 != NULL) |
| 79 | return 1; |
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80 | |
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81 | if(ep1->tracefile != ep2->tracefile) |
| 82 | g_error("ltt_event_position_compare on different tracefiles makes no sense"); |
| 83 | |
| 84 | if(ep1->block < ep2->block) |
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85 | return -1; |
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86 | if(ep1->block > ep2->block) |
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87 | return 1; |
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88 | if(ep1->offset < ep2->offset) |
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89 | return -1; |
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90 | if(ep1->offset > ep2->offset) |
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91 | return 1; |
| 92 | return 0; |
| 93 | } |
| 94 | |
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95 | /***************************************************************************** |
| 96 | * Function name |
| 97 | * ltt_event_position_copy : copy position |
| 98 | * Input params |
| 99 | * src : a pointer to event's position structure source |
| 100 | * dest : a pointer to event's position structure dest |
| 101 | * Return |
| 102 | * void |
| 103 | ****************************************************************************/ |
| 104 | void ltt_event_position_copy(LttEventPosition *dest, |
| 105 | const LttEventPosition *src) |
| 106 | { |
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107 | if(src == NULL) |
| 108 | dest = NULL; |
| 109 | else |
| 110 | *dest = *src; |
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111 | } |
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112 | |
| 113 | |
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114 | |
| 115 | LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) |
| 116 | { |
| 117 | return ep->tracefile; |
| 118 | } |
| 119 | |
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