#include <lttv/traceset.h>
#include <lttv/iattribute.h>
#include <stdio.h>
+#include <babeltrace/context.h>
/* A trace is a sequence of events gathered in the same tracing session. The
events may be stored in several tracefiles in the same directory.
*/
struct _LttvTraceset {
- char * filename;
- GPtrArray *traces;
- LttvAttribute *a;
+ char * filename;
+ GPtrArray *traces;
+ struct bt_context *context;
+ LttvAttribute *a;
};
struct _LttvTrace {
- LttTrace *t;
- LttvAttribute *a;
- guint ref_count;
+ // Trace id for babeltrace
+ gint id;
+ LttvAttribute *a;
+ guint ref_count;
};
-
LttvTraceset *lttv_traceset_new()
{
- LttvTraceset *s;
-
- s = g_new(LttvTraceset, 1);
- s->filename = NULL;
- s->traces = g_ptr_array_new();
- s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- return s;
+ LttvTraceset *s;
+
+ s = g_new(LttvTraceset, 1);
+ s->filename = NULL;
+ s->traces = g_ptr_array_new();
+ s->context = bt_context_create();
+ s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ return s;
}
char * lttv_traceset_name(LttvTraceset * s)
{
- return s->filename;
+ return s->filename;
+}
+
+#ifdef BABEL_CLEANUP
+LttvTrace *lttv_trace_new(LttTrace *t)
+{
+ LttvTrace *new_trace;
+
+ new_trace = g_new(LttvTrace, 1);
+ new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ new_trace->id = t;
+ new_trace->ref_count = 0;
+ return new_trace;
}
+#endif
-LttvTrace *lttv_trace_new(LttTrace *t)
+/*
+ * lttv_trace_create : Create a trace from a path
+ *
+ * ts is the traceset in which will be contained the trace
+ *
+ * path is the path where to find a trace. It is not recursive.
+ *
+ * This function is static since a trace should always be contained in a
+ * traceset.
+ *
+ * return the created trace or NULL on failure
+ */
+static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path)
{
+ int id = bt_context_add_trace(lttv_traceset_get_context(ts),
+ path,
+ "ctf",
+ NULL,
+ NULL,
+ NULL);
+ if (id < 0) {
+ return NULL;
+ }
+ // Create the trace and save the trace handle id returned by babeltrace
LttvTrace *new_trace;
new_trace = g_new(LttvTrace, 1);
new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- new_trace->t = t;
+ new_trace->id = id;
new_trace->ref_count = 0;
return new_trace;
}
+/*
+ * lttv_trace_create : Create and add a single trace to a traceset
+ *
+ * ts is the traceset in which will be contained the trace
+ *
+ * path is the path where to find a trace. It is not recursive.
+ *
+ * return a positive integer (>=0)on success or -1 on failure
+ */
+static int lttv_traceset_create_trace(LttvTraceset *ts, const char *path)
+{
+ LttvTrace *trace = lttv_trace_create(ts, path);
+ if (trace == NULL) {
+ return -1;
+ }
+ lttv_traceset_add(ts, trace);
+ return 0;
+}
LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig)
{
- guint i;
- LttvTraceset *s;
- LttvTrace * trace;
-
- s = g_new(LttvTraceset, 1);
- s->filename = NULL;
- s->traces = g_ptr_array_new();
- for(i=0;i<s_orig->traces->len;i++)
- {
- trace = g_ptr_array_index(s_orig->traces, i);
- trace->ref_count++;
-
- g_ptr_array_add(s->traces,
- trace);
- }
- s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
- return s;
+ guint i;
+ LttvTraceset *s;
+ LttvTrace * trace;
+
+ s = g_new(LttvTraceset, 1);
+ s->filename = NULL;
+ s->traces = g_ptr_array_new();
+ for(i=0;i<s_orig->traces->len;i++)
+ {
+ trace = g_ptr_array_index(s_orig->traces, i);
+ trace->ref_count++;
+
+ g_ptr_array_add(s->traces, trace);
+ }
+ s->context = s_orig->context;
+ bt_context_get(s->context);
+ s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
+ return s;
}
LttvTraceset *lttv_traceset_load(const gchar *filename)
{
- LttvTraceset *s = g_new(LttvTraceset,1);
- FILE *tf;
-
- s->filename = g_strdup(filename);
- tf = fopen(filename,"r");
+ LttvTraceset *s = g_new(LttvTraceset,1);
+ FILE *tf;
+
+ s->filename = g_strdup(filename);
+ tf = fopen(filename,"r");
- g_critical("NOT IMPLEMENTED : load traceset data from a XML file");
-
- fclose(tf);
- return s;
+ g_critical("NOT IMPLEMENTED : load traceset data from a XML file");
+
+ fclose(tf);
+ return s;
}
gint lttv_traceset_save(LttvTraceset *s)
{
- FILE *tf;
+ FILE *tf;
- tf = fopen(s->filename, "w");
-
- g_critical("NOT IMPLEMENTED : save traceset data in a XML file");
+ tf = fopen(s->filename, "w");
- fclose(tf);
- return 0;
+ g_critical("NOT IMPLEMENTED : save traceset data in a XML file");
+
+ fclose(tf);
+ return 0;
}
void lttv_traceset_destroy(LttvTraceset *s)
{
- guint i;
+ guint i;
+
+ for(i=0;i<s->traces->len;i++) {
+ LttvTrace *trace = g_ptr_array_index(s->traces, i);
+ lttv_trace_unref(trace);
+ // todo mdenis 2012-03-27: uncomment when babeltrace gets fixed
+ //bt_context_remove_trace(lttv_traceset_get_context(s), trace->id);
+ if(lttv_trace_get_ref_number(trace) == 0)
+ lttv_trace_destroy(trace);
+ }
+ g_ptr_array_free(s->traces, TRUE);
+ bt_context_put(s->context);
+ g_object_unref(s->a);
+ g_free(s);
+}
- for(i=0;i<s->traces->len;i++) {
- LttvTrace *trace = g_ptr_array_index(s->traces, i);
- lttv_trace_unref(trace);
- if(lttv_trace_get_ref_number(trace) == 0)
- lttv_trace_destroy(trace);
- }
- g_ptr_array_free(s->traces, TRUE);
- g_object_unref(s->a);
- g_free(s);
+struct bt_context *lttv_traceset_get_context(LttvTraceset *s)
+{
+ return s->context;
}
void lttv_trace_destroy(LttvTrace *t)
{
- g_object_unref(t->a);
- g_free(t);
+ g_object_unref(t->a);
+ g_free(t);
}
void lttv_traceset_add(LttvTraceset *s, LttvTrace *t)
{
- t->ref_count++;
- g_ptr_array_add(s->traces, t);
+ t->ref_count++;
+ g_ptr_array_add(s->traces, t);
}
+int lttv_traceset_add_path(LttvTraceset *ts, const char *trace_path)
+{
+ // todo mdenis 2012-03-27: add trace recursively and update comment
+ int ret = lttv_traceset_create_trace(ts, trace_path);
+ return ret;
+}
unsigned lttv_traceset_number(LttvTraceset *s)
{
- return s->traces->len;
+ return s->traces->len;
}
LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i)
{
- g_assert(s->traces->len > i);
- return ((LttvTrace *)s->traces->pdata[i]);
+ g_assert(s->traces->len > i);
+ return ((LttvTrace *)s->traces->pdata[i]);
}
void lttv_traceset_remove(LttvTraceset *s, unsigned i)
{
- LttvTrace * t;
- g_assert(s->traces->len > i);
- t = (LttvTrace *)s->traces->pdata[i];
- t->ref_count--;
- g_ptr_array_remove_index(s->traces, i);
+ LttvTrace * t;
+ g_assert(s->traces->len > i);
+ t = (LttvTrace *)s->traces->pdata[i];
+ t->ref_count--;
+ bt_context_remove_trace(lttv_traceset_get_context(s), t->id);
+ g_ptr_array_remove_index(s->traces, i);
}
/* A set of attributes is attached to each trace set, trace and tracefile
- to store user defined data as needed. */
+ to store user defined data as needed. */
LttvAttribute *lttv_traceset_attribute(LttvTraceset *s)
{
- return s->a;
+ return s->a;
}
LttvAttribute *lttv_trace_attribute(LttvTrace *t)
{
- return t->a;
+ return t->a;
}
-
+#ifdef BABEL_CLEANUP
LttTrace *lttv_trace(LttvTrace *t)
{
- return t->t;
+ return t->t;
+}
+#endif
+
+gint lttv_trace_get_id(LttvTrace *t)
+{
+ return t->id;
}
guint lttv_trace_get_ref_number(LttvTrace * t)
{
- return t->ref_count;
+ // todo mdenis: adapt to babeltrace
+ return t->ref_count;
}
guint lttv_trace_ref(LttvTrace * t)
{
- t->ref_count++;
-
- return t->ref_count;
+ t->ref_count++;
+
+ return t->ref_count;
}
guint lttv_trace_unref(LttvTrace * t)
{
- if(likely(t->ref_count > 0))
- t->ref_count--;
+ if(likely(t->ref_count > 0))
+ t->ref_count--;
- return t->ref_count;
+ return t->ref_count;
}