*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <babeltrace/babeltrace.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
+#include <errno.h>
-#include <fts.h>
#include <fcntl.h> /* For O_RDONLY */
#include <glib.h>
g_direct_equal, NULL,
(GDestroyNotify) bt_trace_handle_destroy);
+ ctx->current_iterator = NULL;
ctx->tc = g_new0(struct trace_collection, 1);
- init_trace_collection(ctx->tc);
+ bt_init_trace_collection(ctx->tc);
return ctx;
}
int bt_context_add_trace(struct bt_context *ctx, const char *path,
- const char *format_name)
+ const char *format_name,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
+ int whence),
+ struct mmap_stream_list *stream_list,
+ FILE *metadata)
{
struct trace_descriptor *td;
struct format *fmt;
struct bt_trace_handle *handle;
- int ret;
+ int ret, closeret;
+
+ if (!ctx || !format_name || (!path && !stream_list))
+ return -EINVAL;
fmt = bt_lookup_format(g_quark_from_string(format_name));
if (!fmt) {
ret = -1;
goto end;
}
- td = fmt->open_trace(path, O_RDONLY, NULL, NULL);
- if (!td) {
- fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n",
- path);
- ret = -1;
- goto end;
+ if (path) {
+ td = fmt->open_trace(path, O_RDONLY, packet_seek, NULL);
+ if (!td) {
+ fprintf(stderr, "[warning] [Context] Cannot open_trace of format %s at path %s.\n\n",
+ format_name, path);
+ ret = -1;
+ goto end;
+ }
+ } else {
+ td = fmt->open_mmap_trace(stream_list, packet_seek, metadata);
+ if (!td) {
+ fprintf(stderr, "[error] [Context] Cannot open_mmap_trace of format %s.\n\n",
+ format_name);
+ ret = -1;
+ goto end;
+ }
}
/* Create an handle for the trace */
fprintf(stderr, "[error] [Context] Creating trace handle %s .\n\n",
path);
ret = -1;
- goto end;
+ goto error;
}
handle->format = fmt;
handle->td = td;
- strncpy(handle->path, path, PATH_MAX);
- handle->path[PATH_MAX - 1] = '\0';
+ if (path) {
+ strncpy(handle->path, path, PATH_MAX);
+ handle->path[PATH_MAX - 1] = '\0';
+ }
+
+ if (fmt->set_handle)
+ fmt->set_handle(td, handle);
+ if (fmt->set_context)
+ fmt->set_context(td, ctx);
/* Add new handle to container */
g_hash_table_insert(ctx->trace_handles,
(gpointer) (unsigned long) handle->id,
handle);
- ret = trace_collection_add(ctx->tc, td);
- if (ret == 0)
- return handle->id;
+ ret = bt_trace_collection_add(ctx->tc, td);
+ if (ret != 0)
+ goto error;
+
+ ret = fmt->convert_index_timestamp(td);
+ if (ret < 0)
+ goto error;
+
+ handle->real_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_REAL);
+ handle->real_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_REAL);
+ handle->cycles_timestamp_begin = fmt->timestamp_begin(td, handle, BT_CLOCK_CYCLES);
+ handle->cycles_timestamp_end = fmt->timestamp_end(td, handle, BT_CLOCK_CYCLES);
+
+ return handle->id;
+
+error:
+ closeret = fmt->close_trace(td);
+ if (closeret) {
+ fprintf(stderr, "Error in close_trace callback\n");
+ }
end:
return ret;
}
-void bt_context_remove_trace(struct bt_context *ctx, int handle_id)
+int bt_context_remove_trace(struct bt_context *ctx, int handle_id)
{
struct bt_trace_handle *handle;
+ int ret;
+
+ if (!ctx)
+ return -EINVAL;
handle = g_hash_table_lookup(ctx->trace_handles,
(gpointer) (unsigned long) handle_id);
- assert(handle != NULL);
+ if (!handle)
+ return -ENOENT;
/* Remove from containers */
- trace_collection_remove(ctx->tc, handle->td);
- g_hash_table_remove(ctx->trace_handles,
- (gpointer) (unsigned long) handle_id);
-
+ bt_trace_collection_remove(ctx->tc, handle->td);
/* Close the trace */
- handle->format->close_trace(handle->td);
-
- /* Destory the handle */
- bt_trace_handle_destroy(handle);
+ ret = handle->format->close_trace(handle->td);
+ if (ret) {
+ fprintf(stderr, "Error in close_trace callback\n");
+ return ret;
+ }
+ /* Remove and free the handle */
+ g_hash_table_remove(ctx->trace_handles,
+ (gpointer) (unsigned long) handle_id);
+ return 0;
}
static
void bt_context_destroy(struct bt_context *ctx)
{
- finalize_trace_collection(ctx->tc);
+ assert(ctx);
+ bt_finalize_trace_collection(ctx->tc);
- /* Remote all traces. The g_hash_table_destroy will call
+ /*
+ * Remove all traces. The g_hash_table_destroy will call
* bt_trace_handle_destroy on each elements.
*/
g_hash_table_destroy(ctx->trace_handles);
void bt_context_get(struct bt_context *ctx)
{
+ assert(ctx);
ctx->refcount++;
}
void bt_context_put(struct bt_context *ctx)
{
+ assert(ctx);
ctx->refcount--;
if (ctx->refcount == 0)
bt_context_destroy(ctx);
projects / babeltrace.git / blobdiff