ltt/branches/poly/lttv/traceset.c

   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 };
  22
  23
  24 LttvTraceset *lttv_traceset_new()
  25 {
  26   LttvTraceset *s;
  27
  28   s = g_new(LttvTraceset, 1);
  29   s->filename = NULL;
  30   s->traces = g_ptr_array_new();
  31   s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  32   return s;
  33 }
  34
  35 LttvTrace *lttv_trace_new(LttTrace *t)
  36 {
  37   LttvTrace *new_trace;
  38
  39   new_trace = g_new(LttvTrace, 1);
  40   new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  41   new_trace->t = t;
  42   return new_trace;
  43 }
  44
  45
  46 LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig)
  47 {
  48   int i;
  49   LttvTraceset *s;
  50
  51   s = g_new(LttvTraceset, 1);
  52   s->filename = NULL;
  53   s->traces = g_ptr_array_new();
  54   for(i=0;i<s_orig->traces->len;i++)
  55   {
  56     /*CHECK this used ltt_trace_copy while it may not be needed. Need to
  57       define how traces and tracesets are shared */
  58     g_ptr_array_add(
  59         s->traces,
  60         g_ptr_array_index(s_orig->traces, i));
  61   }
  62   s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
  63   return s;
  64 }
  65
  66
  67 LttvTraceset *lttv_traceset_load(const gchar *filename)
  68 {
  69   LttvTraceset *s = g_new(LttvTraceset,1);
  70   FILE *tf;
  71
  72   s->filename = g_strdup(filename);
  73   tf = fopen(filename,"r");
  74
  75   g_critical("NOT IMPLEMENTED : load traceset data from a XML file");
  76
  77   fclose(tf);
  78   return s;
  79 }
  80
  81 gint lttv_traceset_save(LttvTraceset *s)
  82 {
  83   FILE *tf;
  84
  85   tf = fopen(s->filename, "w");
  86
  87   g_critical("NOT IMPLEMENTED : save traceset data in a XML file");
  88
  89   fclose(tf);
  90   return 0;
  91 }
  92
  93 void lttv_traceset_destroy(LttvTraceset *s)
  94 {
  95   g_ptr_array_free(s->traces, TRUE);
  96   g_object_unref(s->a);
  97   g_free(s);
  98 }
  99
 100 void lttv_trace_destroy(LttvTrace *t)
 101 {
 102   g_object_unref(t->a);
 103   g_free(t);
 104 }
 105
 106
 107 void lttv_traceset_add(LttvTraceset *s, LttvTrace *t)
 108 {
 109   g_ptr_array_add(s->traces, t);
 110 }
 111
 112
 113 unsigned lttv_traceset_number(LttvTraceset *s)
 114 {
 115   return s->traces->len;
 116 }
 117
 118
 119 LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i)
 120 {
 121   g_assert(s->traces->len > i);
 122   return ((LttvTrace *)s->traces->pdata[i]);
 123 }
 124
 125
 126 void lttv_traceset_remove(LttvTraceset *s, unsigned i)
 127 {
 128   g_ptr_array_remove_index(s->traces, i);
 129 }
 130
 131
 132 /* A set of attributes is attached to each trace set, trace and tracefile
 133    to store user defined data as needed. */
 134
 135 LttvAttribute *lttv_traceset_attribute(LttvTraceset *s)
 136 {
 137   return s->a;
 138 }
 139
 140
 141 LttvAttribute *lttv_trace_attribute(LttvTrace *t)
 142 {
 143   return t->a;
 144 }
 145
 146
 147 LttTrace *lttv_trace(LttvTrace *t)
 148 {
 149   return t->t;
 150 }
 151