* SOFTWARE.
*/
-#include <babeltrace/plugin/plugin-system.h>
+#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/clock-class.h>
+#include <babeltrace/graph/private-port.h>
+#include <babeltrace/graph/private-component.h>
+#include <babeltrace/graph/private-component-source.h>
+#include <babeltrace/graph/private-notification-iterator.h>
+#include <babeltrace/graph/component.h>
+#include <babeltrace/graph/notification-iterator.h>
+#include <babeltrace/graph/clock-class-priority-map.h>
+#include <plugins-common.h>
#include <glib.h>
#include <assert.h>
-#include "fs-internal.h"
+#include <unistd.h>
+#include "fs.h"
+#include "metadata.h"
+#include "data-stream.h"
+#include "file.h"
-static bool ctf_fs_debug;
+#define PRINT_ERR_STREAM ctf_fs->error_fp
+#define PRINT_PREFIX "ctf-fs"
+#include "print.h"
+#define METADATA_TEXT_SIG "/* CTF 1.8"
+
+BT_HIDDEN
+bool ctf_fs_debug;
+
+struct bt_notification_iterator_next_return ctf_fs_iterator_next(
+ struct bt_private_notification_iterator *iterator)
+{
+ struct ctf_fs_stream *fs_stream =
+ bt_private_notification_iterator_get_user_data(iterator);
+
+ return ctf_fs_stream_next(fs_stream);
+}
+
+void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it)
+{
+ void *ctf_fs_stream =
+ bt_private_notification_iterator_get_user_data(it);
+
+ ctf_fs_stream_destroy(ctf_fs_stream);
+}
+
+enum bt_notification_iterator_status ctf_fs_iterator_init(
+ struct bt_private_notification_iterator *it,
+ struct bt_private_port *port)
+{
+ struct ctf_fs_stream *stream = NULL;
+ struct ctf_fs_component *ctf_fs;
+ struct ctf_fs_port_data *port_data;
+ struct bt_private_component *priv_comp =
+ bt_private_notification_iterator_get_private_component(it);
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ assert(priv_comp);
+
+ ctf_fs = bt_private_component_get_user_data(priv_comp);
+ if (!ctf_fs) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto error;
+ }
+
+ port_data = bt_private_port_get_user_data(port);
+ if (!port_data) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto error;
+ }
+
+ stream = ctf_fs_stream_create(ctf_fs, port_data->path->str);
+ if (!stream) {
+ goto error;
+ }
+
+ ret = bt_private_notification_iterator_set_user_data(it, stream);
+ if (ret) {
+ goto error;
+ }
+
+ stream = NULL;
+ goto end;
+
+error:
+ (void) bt_private_notification_iterator_set_user_data(it, NULL);
+
+ if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
+ }
+
+end:
+ ctf_fs_stream_destroy(stream);
+ bt_put(priv_comp);
+ return ret;
+}
static
-struct ctf_fs_component *ctf_fs_create(struct bt_value *params)
+void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs)
{
- return g_new0(struct ctf_fs_component, 1);
+ if (!ctf_fs) {
+ return;
+ }
+
+ if (ctf_fs->trace_path) {
+ g_string_free(ctf_fs->trace_path, TRUE);
+ }
+
+ if (ctf_fs->port_data) {
+ g_ptr_array_free(ctf_fs->port_data, TRUE);
+ }
+
+ if (ctf_fs->metadata) {
+ ctf_fs_metadata_fini(ctf_fs->metadata);
+ g_free(ctf_fs->metadata);
+ }
+
+ bt_put(ctf_fs->cc_prio_map);
+ g_free(ctf_fs);
+}
+
+void ctf_fs_finalize(struct bt_private_component *component)
+{
+ void *data = bt_private_component_get_user_data(component);
+
+ ctf_fs_destroy_data(data);
+}
+
+static
+void port_data_destroy(void *data) {
+ struct ctf_fs_port_data *port_data = data;
+
+ if (!port_data) {
+ return;
+ }
+
+ if (port_data->path) {
+ g_string_free(port_data->path, TRUE);
+ }
+
+ g_free(port_data);
}
static
-void ctf_fs_destroy(void *data)
+int create_one_port(struct ctf_fs_component *ctf_fs,
+ const char *stream_basename, const char *stream_path)
{
- g_free(data);
+ int ret = 0;
+ struct bt_private_port *port = NULL;
+ struct ctf_fs_port_data *port_data = NULL;
+ GString *port_name = NULL;
+
+ port_name = g_string_new(NULL);
+ if (!port_name) {
+ goto error;
+ }
+
+ /* Assign the name for the new output port */
+ g_string_assign(port_name, "");
+ g_string_printf(port_name, "trace0-stream-%s", stream_basename);
+ PDBG("Creating one port named `%s` associated with path `%s`\n",
+ port_name->str, stream_path);
+
+ /* Create output port for this file */
+ port = bt_private_component_source_add_output_private_port(
+ ctf_fs->priv_comp, port_name->str);
+ if (!port) {
+ goto error;
+ }
+
+ port_data = g_new0(struct ctf_fs_port_data, 1);
+ if (!port_data) {
+ goto error;
+ }
+
+ port_data->path = g_string_new(stream_path);
+ if (!port_data->path) {
+ goto error;
+ }
+
+ ret = bt_private_port_set_user_data(port, port_data);
+ if (ret) {
+ goto error;
+ }
+
+ g_ptr_array_add(ctf_fs->port_data, port_data);
+ port_data = NULL;
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ if (port_name) {
+ g_string_free(port_name, TRUE);
+ }
+
+ bt_put(port);
+ port_data_destroy(port_data);
+ return ret;
}
-BT_HIDDEN
-enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
- struct bt_notification_iterator *it)
+static
+int create_ports(struct ctf_fs_component *ctf_fs)
{
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ int ret = 0;
+ const char *basename;
+ GError *error = NULL;
+ GDir *dir = NULL;
+ struct bt_private_port *def_port;
+ struct ctf_fs_file *file = NULL;
+
+ /* Remove default port if needed */
+ def_port = bt_private_component_source_get_default_output_private_port(
+ ctf_fs->priv_comp);
+ if (def_port) {
+ bt_private_port_remove_from_component(def_port);
+ bt_put(def_port);
+ }
+
+ /* Create one output port for each stream file */
+ dir = g_dir_open(ctf_fs->trace_path->str, 0, &error);
+ if (!dir) {
+ PERR("Cannot open directory `%s`: %s (code %d)\n",
+ ctf_fs->trace_path->str, error->message,
+ error->code);
+ goto error;
+ }
+
+ while ((basename = g_dir_read_name(dir))) {
+ if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
+ /* Ignore the metadata stream. */
+ PDBG("Ignoring metadata file `%s`\n", basename);
+ continue;
+ }
+
+ if (basename[0] == '.') {
+ PDBG("Ignoring hidden file `%s`\n", basename);
+ continue;
+ }
+
+ /* Create the file. */
+ file = ctf_fs_file_create(ctf_fs);
+ if (!file) {
+ PERR("Cannot create stream file object for file `%s`\n",
+ basename);
+ goto error;
+ }
+
+ /* Create full path string. */
+ g_string_append_printf(file->path, "%s/%s",
+ ctf_fs->trace_path->str, basename);
+ if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
+ PDBG("Ignoring non-regular file `%s`\n", basename);
+ ctf_fs_file_destroy(file);
+ file = NULL;
+ continue;
+ }
+
+ ret = ctf_fs_file_open(ctf_fs, file, "rb");
+ if (ret) {
+ PERR("Cannot open stream file `%s`\n", basename);
+ goto error;
+ }
+
+ if (file->size == 0) {
+ /* Skip empty stream. */
+ PDBG("Ignoring empty file `%s`\n", basename);
+ ctf_fs_file_destroy(file);
+ file = NULL;
+ continue;
+ }
+
+ ret = create_one_port(ctf_fs, basename, file->path->str);
+ if (ret) {
+ PERR("Cannot create output port for file `%s`\n",
+ basename);
+ goto error;
+ }
+
+ ctf_fs_file_destroy(file);
+ file = NULL;
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ if (dir) {
+ g_dir_close(dir);
+ dir = NULL;
+ }
- assert(source && it);
+ if (error) {
+ g_error_free(error);
+ }
+
+ ctf_fs_file_destroy(file);
return ret;
}
-BT_HIDDEN
-enum bt_component_status ctf_fs_init(struct bt_component *source,
+static
+int create_cc_prio_map(struct ctf_fs_component *ctf_fs)
+{
+ int ret = 0;
+ size_t i;
+ int count;
+
+ assert(ctf_fs);
+ ctf_fs->cc_prio_map = bt_clock_class_priority_map_create();
+ if (!ctf_fs->cc_prio_map) {
+ ret = -1;
+ goto end;
+ }
+
+ count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace);
+ assert(count >= 0);
+
+ for (i = 0; i < count; i++) {
+ struct bt_ctf_clock_class *clock_class =
+ bt_ctf_trace_get_clock_class(ctf_fs->metadata->trace,
+ i);
+
+ assert(clock_class);
+ ret = bt_clock_class_priority_map_add_clock_class(
+ ctf_fs->cc_prio_map, clock_class, 0);
+ BT_PUT(clock_class);
+
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static
+struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp,
struct bt_value *params)
{
struct ctf_fs_component *ctf_fs;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ struct bt_value *value = NULL;
+ const char *path;
+ int ret;
- assert(source);
- ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
- ctf_fs = ctf_fs_create(params);
+ ctf_fs = g_new0(struct ctf_fs_component, 1);
if (!ctf_fs) {
- ret = BT_COMPONENT_STATUS_NOMEM;
goto end;
}
- ret = bt_component_set_destroy_cb(source, ctf_fs_destroy);
- if (ret != BT_COMPONENT_STATUS_OK) {
+ /*
+ * We don't need to get a new reference here because as long as
+ * our private ctf_fs_component object exists, the containing
+ * private component should also exist.
+ */
+ ctf_fs->priv_comp = priv_comp;
+
+ /* FIXME: should probably look for a source URI */
+ value = bt_value_map_get(params, "path");
+ if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) {
goto error;
}
- ret = bt_component_set_private_data(source, ctf_fs);
- if (ret != BT_COMPONENT_STATUS_OK) {
+ ret = bt_value_string_get(value, &path);
+ if (ret) {
+ goto error;
+ }
+
+ ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy);
+ if (!ctf_fs->port_data) {
+ goto error;
+ }
+
+ ctf_fs->trace_path = g_string_new(path);
+ if (!ctf_fs->trace_path) {
+ BT_PUT(value);
+ goto error;
+ }
+ bt_put(value);
+
+ value = bt_value_map_get(params, "offset-s");
+ if (value) {
+ int64_t offset;
+
+ if (!bt_value_is_integer(value)) {
+ fprintf(stderr,
+ "offset-s should be an integer\n");
+ goto error;
+ }
+ ret = bt_value_integer_get(value, &offset);
+ if (ret != BT_VALUE_STATUS_OK) {
+ fprintf(stderr,
+ "Failed to get offset-s value\n");
+ goto error;
+ }
+ ctf_fs->options.clock_offset = offset;
+ bt_put(value);
+ }
+
+ value = bt_value_map_get(params, "offset-ns");
+ if (value) {
+ int64_t offset;
+
+ if (!bt_value_is_integer(value)) {
+ fprintf(stderr,
+ "offset-ns should be an integer\n");
+ goto error;
+ }
+ ret = bt_value_integer_get(value, &offset);
+ if (ret != BT_VALUE_STATUS_OK) {
+ fprintf(stderr,
+ "Failed to get offset-ns value\n");
+ goto error;
+ }
+ ctf_fs->options.clock_offset_ns = offset;
+ bt_put(value);
+ }
+
+ ctf_fs->error_fp = stderr;
+ ctf_fs->page_size = (size_t) getpagesize();
+
+ // FIXME: check error.
+ ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1);
+ if (!ctf_fs->metadata) {
+ goto error;
+ }
+
+ ret = ctf_fs_metadata_set_trace(ctf_fs);
+ if (ret) {
+ goto error;
+ }
+
+ ret = create_cc_prio_map(ctf_fs);
+ if (ret) {
+ goto error;
+ }
+
+ ret = create_ports(ctf_fs);
+ if (ret) {
goto error;
}
- ret = bt_component_source_set_iterator_init_cb(source,
- ctf_fs_iterator_init);
+ goto end;
+
+error:
+ ctf_fs_destroy_data(ctf_fs);
+ ctf_fs = NULL;
+end:
+ return ctf_fs;
+}
+
+BT_HIDDEN
+enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp,
+ struct bt_value *params, UNUSED_VAR void *init_method_data)
+{
+ struct ctf_fs_component *ctf_fs;
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+
+ assert(priv_comp);
+ ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
+ ctf_fs = ctf_fs_create(priv_comp, params);
+ if (!ctf_fs) {
+ ret = BT_COMPONENT_STATUS_NOMEM;
+ goto end;
+ }
+
+ ret = bt_private_component_set_user_data(priv_comp, ctf_fs);
if (ret != BT_COMPONENT_STATUS_OK) {
goto error;
}
end:
return ret;
error:
- (void) bt_component_set_private_data(source, NULL);
- ctf_fs_destroy(ctf_fs);
+ (void) bt_private_component_set_user_data(priv_comp, NULL);
+ ctf_fs_destroy_data(ctf_fs);
return ret;
}
+
+BT_HIDDEN
+struct bt_value *ctf_fs_query(struct bt_component_class *comp_class,
+ const char *object, struct bt_value *params)
+{
+ struct bt_value *results = NULL;
+ struct bt_value *path_value = NULL;
+ char *metadata_text = NULL;
+ FILE *metadata_fp = NULL;
+ GString *g_metadata_text = NULL;
+
+ if (strcmp(object, "metadata-info") == 0) {
+ int ret;
+ int bo;
+ const char *path;
+ bool is_packetized;
+
+ results = bt_value_map_create();
+ if (!results) {
+ goto error;
+ }
+
+ if (!bt_value_is_map(params)) {
+ fprintf(stderr,
+ "Query parameters is not a map value object\n");
+ goto error;
+ }
+
+ path_value = bt_value_map_get(params, "path");
+ ret = bt_value_string_get(path_value, &path);
+ if (ret) {
+ fprintf(stderr,
+ "Cannot get `path` string parameter\n");
+ goto error;
+ }
+
+ assert(path);
+ metadata_fp = ctf_fs_metadata_open_file(path);
+ if (!metadata_fp) {
+ fprintf(stderr,
+ "Cannot open trace at path `%s`\n", path);
+ goto error;
+ }
+
+ is_packetized = ctf_metadata_is_packetized(metadata_fp, &bo);
+
+ if (is_packetized) {
+ ret = ctf_metadata_packetized_file_to_buf(NULL,
+ metadata_fp, (uint8_t **) &metadata_text, bo);
+ if (ret) {
+ fprintf(stderr,
+ "Cannot decode packetized metadata file\n");
+ goto error;
+ }
+ } else {
+ long filesize;
+
+ fseek(metadata_fp, 0, SEEK_END);
+ filesize = ftell(metadata_fp);
+ rewind(metadata_fp);
+ metadata_text = malloc(filesize + 1);
+ if (!metadata_text) {
+ fprintf(stderr,
+ "Cannot allocate buffer for metadata text\n");
+ goto error;
+ }
+
+ if (fread(metadata_text, filesize, 1, metadata_fp) !=
+ 1) {
+ fprintf(stderr,
+ "Cannot read metadata file\n");
+ goto error;
+ }
+
+ metadata_text[filesize] = '\0';
+ }
+
+ g_metadata_text = g_string_new(NULL);
+ if (!g_metadata_text) {
+ goto error;
+ }
+
+ if (strncmp(metadata_text, METADATA_TEXT_SIG,
+ sizeof(METADATA_TEXT_SIG) - 1) != 0) {
+ g_string_assign(g_metadata_text, METADATA_TEXT_SIG);
+ g_string_append(g_metadata_text, " */\n\n");
+ }
+
+ g_string_append(g_metadata_text, metadata_text);
+
+ ret = bt_value_map_insert_string(results, "text",
+ g_metadata_text->str);
+ if (ret) {
+ fprintf(stderr, "Cannot insert metadata text into results\n");
+ goto error;
+ }
+
+ ret = bt_value_map_insert_bool(results, "is-packetized",
+ is_packetized);
+ if (ret) {
+ fprintf(stderr, "Cannot insert is packetized into results\n");
+ goto error;
+ }
+ } else {
+ fprintf(stderr, "Unknown query object `%s`\n", object);
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_PUT(results);
+
+end:
+ bt_put(path_value);
+ free(metadata_text);
+
+ if (g_metadata_text) {
+ g_string_free(g_metadata_text, TRUE);
+ }
+
+ if (metadata_fp) {
+ fclose(metadata_fp);
+ }
+ return results;
+}
projects / babeltrace.git / blobdiff