| 1 | |
| 2 | #include <lttv/traceset.h> |
| 3 | #include <stdio.h> |
| 4 | |
| 5 | /* A trace is a sequence of events gathered in the same tracing session. The |
| 6 | events may be stored in several tracefiles in the same directory. |
| 7 | A trace set is defined when several traces are to be analyzed together, |
| 8 | possibly to study the interactions between events in the different traces. |
| 9 | */ |
| 10 | |
| 11 | struct _LttvTraceset { |
| 12 | char * filename; |
| 13 | GPtrArray *traces; |
| 14 | LttvAttribute *a; |
| 15 | }; |
| 16 | |
| 17 | |
| 18 | struct _LttvTrace { |
| 19 | LttTrace *t; |
| 20 | LttvAttribute *a; |
| 21 | guint ref_count; |
| 22 | }; |
| 23 | |
| 24 | |
| 25 | LttvTraceset *lttv_traceset_new() |
| 26 | { |
| 27 | LttvTraceset *s; |
| 28 | |
| 29 | s = g_new(LttvTraceset, 1); |
| 30 | s->filename = NULL; |
| 31 | s->traces = g_ptr_array_new(); |
| 32 | s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 33 | return s; |
| 34 | } |
| 35 | |
| 36 | LttvTrace *lttv_trace_new(LttTrace *t) |
| 37 | { |
| 38 | LttvTrace *new_trace; |
| 39 | |
| 40 | new_trace = g_new(LttvTrace, 1); |
| 41 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 42 | new_trace->t = t; |
| 43 | new_trace->ref_count = 0; |
| 44 | return new_trace; |
| 45 | } |
| 46 | |
| 47 | |
| 48 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) |
| 49 | { |
| 50 | int i; |
| 51 | LttvTraceset *s; |
| 52 | LttvTrace * trace; |
| 53 | |
| 54 | s = g_new(LttvTraceset, 1); |
| 55 | s->filename = NULL; |
| 56 | s->traces = g_ptr_array_new(); |
| 57 | for(i=0;i<s_orig->traces->len;i++) |
| 58 | { |
| 59 | trace = g_ptr_array_index(s_orig->traces, i); |
| 60 | trace->ref_count++; |
| 61 | |
| 62 | /*CHECK this used ltt_trace_copy while it may not be needed. Need to |
| 63 | define how traces and tracesets are shared */ |
| 64 | g_ptr_array_add( |
| 65 | s->traces, |
| 66 | g_ptr_array_index(s_orig->traces, i)); |
| 67 | } |
| 68 | s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a))); |
| 69 | return s; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | LttvTraceset *lttv_traceset_load(const gchar *filename) |
| 74 | { |
| 75 | LttvTraceset *s = g_new(LttvTraceset,1); |
| 76 | FILE *tf; |
| 77 | |
| 78 | s->filename = g_strdup(filename); |
| 79 | tf = fopen(filename,"r"); |
| 80 | |
| 81 | g_critical("NOT IMPLEMENTED : load traceset data from a XML file"); |
| 82 | |
| 83 | fclose(tf); |
| 84 | return s; |
| 85 | } |
| 86 | |
| 87 | gint lttv_traceset_save(LttvTraceset *s) |
| 88 | { |
| 89 | FILE *tf; |
| 90 | |
| 91 | tf = fopen(s->filename, "w"); |
| 92 | |
| 93 | g_critical("NOT IMPLEMENTED : save traceset data in a XML file"); |
| 94 | |
| 95 | fclose(tf); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | void lttv_traceset_destroy(LttvTraceset *s) |
| 100 | { |
| 101 | g_ptr_array_free(s->traces, TRUE); |
| 102 | g_object_unref(s->a); |
| 103 | g_free(s); |
| 104 | } |
| 105 | |
| 106 | void lttv_trace_destroy(LttvTrace *t) |
| 107 | { |
| 108 | g_object_unref(t->a); |
| 109 | g_free(t); |
| 110 | } |
| 111 | |
| 112 | |
| 113 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) |
| 114 | { |
| 115 | t->ref_count++; |
| 116 | g_ptr_array_add(s->traces, t); |
| 117 | } |
| 118 | |
| 119 | |
| 120 | unsigned lttv_traceset_number(LttvTraceset *s) |
| 121 | { |
| 122 | return s->traces->len; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
| 127 | { |
| 128 | g_assert(s->traces->len > i); |
| 129 | return ((LttvTrace *)s->traces->pdata[i]); |
| 130 | } |
| 131 | |
| 132 | |
| 133 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
| 134 | { |
| 135 | LttvTrace * t; |
| 136 | g_assert(s->traces->len > i); |
| 137 | t = (LttvTrace *)s->traces->pdata[i]; |
| 138 | t->ref_count--; |
| 139 | g_ptr_array_remove_index(s->traces, i); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | /* A set of attributes is attached to each trace set, trace and tracefile |
| 144 | to store user defined data as needed. */ |
| 145 | |
| 146 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) |
| 147 | { |
| 148 | return s->a; |
| 149 | } |
| 150 | |
| 151 | |
| 152 | LttvAttribute *lttv_trace_attribute(LttvTrace *t) |
| 153 | { |
| 154 | return t->a; |
| 155 | } |
| 156 | |
| 157 | |
| 158 | LttTrace *lttv_trace(LttvTrace *t) |
| 159 | { |
| 160 | return t->t; |
| 161 | } |
| 162 | |
| 163 | guint lttv_trace_get_ref_number(LttvTrace * t) |
| 164 | { |
| 165 | return t->ref_count; |
| 166 | } |