#include <babeltrace/component/notification/event.h>
#include <babeltrace/component/notification/packet.h>
#include <babeltrace/component/notification/heap.h>
+#include <plugins-common.h>
#include <glib.h>
#include <assert.h>
#include <unistd.h>
#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;
-static
enum bt_notification_iterator_status ctf_fs_iterator_next(
struct bt_notification_iterator *iterator);
-static
struct bt_notification *ctf_fs_iterator_get(
struct bt_notification_iterator *iterator)
{
return ret;
}
-static
enum bt_notification_iterator_status ctf_fs_iterator_next(
struct bt_notification_iterator *iterator)
{
static
void ctf_fs_iterator_destroy_data(struct ctf_fs_iterator *ctf_it)
{
+ if (!ctf_it) {
+ return;
+ }
bt_put(ctf_it->current_notification);
bt_put(ctf_it->pending_notifications);
if (ctf_it->pending_streams) {
g_free(ctf_it);
}
-static
void ctf_fs_iterator_destroy(struct bt_notification_iterator *it)
{
void *data = bt_notification_iterator_get_private_data(it);
return ret;
}
-enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
- struct bt_notification_iterator *it)
+enum bt_notification_iterator_status ctf_fs_iterator_init(struct bt_component *source,
+ struct bt_notification_iterator *it,
+ UNUSED_VAR void *init_method_data)
{
struct ctf_fs_iterator *ctf_it;
struct ctf_fs_component *ctf_fs;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ enum bt_notification_iterator_status ret = BT_NOTIFICATION_ITERATOR_STATUS_OK;
assert(source && it);
ctf_fs = bt_component_get_private_data(source);
if (!ctf_fs) {
- ret = BT_COMPONENT_STATUS_INVALID;
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
goto end;
}
ctf_it = g_new0(struct ctf_fs_iterator, 1);
if (!ctf_it) {
- ret = BT_COMPONENT_STATUS_NOMEM;
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
goto end;
}
goto error;
}
- ret = bt_notification_iterator_set_get_cb(it, ctf_fs_iterator_get);
- if (ret) {
- goto error;
- }
-
- ret = bt_notification_iterator_set_next_cb(it, ctf_fs_iterator_next);
- if (ret) {
- goto error;
- }
-
- ret = bt_notification_iterator_set_destroy_cb(it,
- ctf_fs_iterator_destroy);
- if (ret) {
- goto error;
- }
-
ret = bt_notification_iterator_set_private_data(it, ctf_it);
if (ret) {
goto error;
static
void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs)
{
+ if (!ctf_fs) {
+ return;
+ }
if (ctf_fs->trace_path) {
g_string_free(ctf_fs->trace_path, TRUE);
}
BT_HIDDEN
enum bt_component_status ctf_fs_init(struct bt_component *source,
- struct bt_value *params, void *init_method_data)
+ 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;
- (void) init_method_data;
assert(source);
ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
ctf_fs_destroy_data(ctf_fs);
return ret;
}
+
+BT_HIDDEN
+struct bt_value *ctf_fs_query_info(struct bt_component_class *comp_class,
+ const char *action, 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(action, "get-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 info 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 info action `%s`\n", action);
+ 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