Fix: emf uri: surround by " "
[babeltrace.git] / lib / trace-handle.c
index 73c137b3464011ffaf8e491f567f27bebb80103f..f981adda410ab19266c2213c6ce50cae09a0b73d 100644 (file)
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <babeltrace/babeltrace.h>
 #include <babeltrace/context.h>
+#include <babeltrace/context-internal.h>
 #include <babeltrace/trace-handle.h>
 #include <babeltrace/trace-handle-internal.h>
 
@@ -30,6 +31,9 @@ struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx)
 {
        struct bt_trace_handle *th;
 
+       if (!ctx)
+               return NULL;
+
        th = g_new0(struct bt_trace_handle, 1);
        th->id = ctx->last_trace_handle_id++;
        return th;
@@ -42,20 +46,76 @@ void bt_trace_handle_destroy(struct bt_trace_handle *th)
 
 int bt_trace_handle_get_id(struct bt_trace_handle *th)
 {
+       if (!th)
+               return -1;
+
        return th->id;
 }
 
-const char *bt_trace_handle_get_path(struct bt_trace_handle *th)
+const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id)
 {
-       return th->path;
+       struct bt_trace_handle *handle;
+
+       if (!ctx)
+               return NULL;
+
+       handle = g_hash_table_lookup(ctx->trace_handles,
+                       (gpointer) (unsigned long) handle_id);
+       if (!handle)
+               return NULL;
+       return handle->path;
 }
 
-uint64_t bt_trace_handle_get_timestamp_begin(struct bt_trace_handle *th)
+uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
+               int handle_id, enum bt_clock_type type)
 {
-       return th->timestamp_begin;
+       struct bt_trace_handle *handle;
+       uint64_t ret;
+
+       if (!ctx)
+               return -1ULL;
+
+       handle = g_hash_table_lookup(ctx->trace_handles,
+                       (gpointer) (unsigned long) handle_id);
+       if (!handle) {
+               ret = -1ULL;
+               goto end;
+       }
+       if (type == BT_CLOCK_REAL) {
+               ret = handle->real_timestamp_begin;
+       } else if (type == BT_CLOCK_CYCLES) {
+               ret = handle->cycles_timestamp_begin;
+       } else {
+               ret = -1ULL;
+       }
+
+end:
+       return ret;
 }
 
-uint64_t bt_trace_handle_get_timestamp_end(struct bt_trace_handle *th)
+uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
+               int handle_id, enum bt_clock_type type)
 {
-       return th->timestamp_end;
+       struct bt_trace_handle *handle;
+       uint64_t ret;
+
+       if (!ctx)
+               return -1ULL;
+
+       handle = g_hash_table_lookup(ctx->trace_handles,
+                       (gpointer) (unsigned long) handle_id);
+       if (!handle) {
+               ret = -1ULL;
+               goto end;
+       }
+       if (type == BT_CLOCK_REAL) {
+               ret = handle->real_timestamp_end;
+       } else if (type == BT_CLOCK_CYCLES) {
+               ret = handle->cycles_timestamp_end;
+       } else {
+               ret = -1ULL;
+       }
+
+end:
+       return ret;
 }
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