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   GPtrArray *attributes;
  15   LttvAttribute *a;
  16 };
  17
  18
  19 LttvTraceset *lttv_traceset_new()
  20 {
  21   LttvTraceset *s;
  22
  23   s = g_new(LttvTraceset, 1);
  24   s->filename = NULL;
  25   s->traces = g_ptr_array_new();
  26   s->attributes = g_ptr_array_new();
  27   s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  28   return s;
  29 }
  30
  31 LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig)
  32 {
  33   int i;
  34   LttvTraceset *s;
  35
  36   s = g_new(LttvTraceset, 1);
  37   s->filename = NULL;
  38   s->traces = g_ptr_array_new();
  39   for(i=0;i<s_orig->traces->len;i++)
  40   {
  41     g_ptr_array_add(
  42         s->traces,
  43         ltt_trace_copy(g_ptr_array_index(s_orig->traces, i)));
  44   }
  45   s->attributes = g_ptr_array_new();
  46   for(i=0;i<s_orig->attributes->len;i++)
  47   {
  48     g_ptr_array_add(
  49         s->attributes,
  50         lttv_iattribute_deep_copy(g_ptr_array_index(s_orig->attributes, i)));
  51   }
  52
  53   s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
  54   return s;
  55 }
  56
  57
  58 LttvTraceset *lttv_traceset_load(const gchar *filename)
  59 {
  60   LttvTraceset *s = g_new(LttvTraceset,1);
  61   FILE *tf;
  62
  63   s->filename = g_strdup(filename);
  64   tf = fopen(filename,"r");
  65
  66   g_critical("NOT IMPLEMENTED : load traceset data from a XML file");
  67
  68   fclose(tf);
  69   return s;
  70 }
  71
  72 gint lttv_traceset_save(LttvTraceset *s)
  73 {
  74   FILE *tf;
  75
  76   tf = fopen(s->filename, "w");
  77
  78   g_critical("NOT IMPLEMENTED : save traceset data in a XML file");
  79
  80   fclose(tf);
  81   return 0;
  82 }
  83 void lttv_traceset_destroy(LttvTraceset *s)
  84 {
  85   int i, nb;
  86
  87   for(i = 0 ; i < s->attributes->len ; i++) {
  88     g_object_unref((LttvAttribute *)s->attributes->pdata[i]);
  89   }
  90   g_ptr_array_free(s->attributes, TRUE);
  91   g_ptr_array_free(s->traces, TRUE);
  92   g_object_unref(s->a);
  93   g_free(s);
  94 }
  95
  96 void lttv_traceset_add(LttvTraceset *s, LttTrace *t)
  97 {
  98   g_ptr_array_add(s->traces, t);
  99   g_ptr_array_add(s->attributes, g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
 100 }
 101
 102
 103 unsigned lttv_traceset_number(LttvTraceset *s)
 104 {
 105   return s->traces->len;
 106 }
 107
 108
 109 LttTrace *lttv_traceset_get(LttvTraceset *s, unsigned i)
 110 {
 111   g_assert(s->traces->len > i);
 112   return ((LttTrace *)s->traces->pdata[i]);
 113 }
 114
 115
 116 void lttv_traceset_remove(LttvTraceset *s, unsigned i)
 117 {
 118   g_ptr_array_remove_index(s->traces, i);
 119   g_object_unref(s->attributes->pdata[i]);
 120   g_ptr_array_remove_index(s->attributes,i);
 121 }
 122
 123
 124 /* A set of attributes is attached to each trace set, trace and tracefile
 125    to store user defined data as needed. */
 126
 127 LttvAttribute *lttv_traceset_attribute(LttvTraceset *s)
 128 {
 129   return s->a;
 130 }
 131
 132
 133 LttvAttribute *lttv_traceset_trace_attribute(LttvTraceset *s, unsigned i)
 134 {
 135   return (LttvAttribute *)s->attributes->pdata[i];
 136 }