+++ /dev/null
-/*
- * Copyright (C) 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#include <assert.h>
-#include <common/defaults.h>
-#include <common/error.h>
-#include <common/macros.h>
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/uri.h>
-#include <lttng/tracker-internal.h>
-#include <stdio.h>
-#include <time.h>
-
-struct lttng_tracker_id *lttng_tracker_id_create(void)
-{
- struct lttng_tracker_id *id;
-
- id = zmalloc(sizeof(*id));
- if (!id) {
- goto error;
- }
-
- id->type = LTTNG_ID_UNKNOWN;
- id->string = NULL;
- id->value = -1;
- return id;
-error:
- lttng_tracker_id_destroy(id);
- return NULL;
-}
-
-enum lttng_tracker_id_status lttng_tracker_id_set_value(
- struct lttng_tracker_id *id, int value)
-{
- assert(id);
-
- if (value < 0) {
- return LTTNG_TRACKER_ID_STATUS_INVALID;
- }
-
- id->type = LTTNG_ID_VALUE;
- id->value = value;
- return LTTNG_TRACKER_ID_STATUS_OK;
-}
-
-enum lttng_tracker_id_status lttng_tracker_id_set_string(
- struct lttng_tracker_id *id, const char *value)
-{
- assert(id);
- assert(value);
-
- id->type = LTTNG_ID_STRING;
- id->string = strdup(value);
- if (id->string == NULL) {
- /* No memory left */
- goto error;
- }
-
- return LTTNG_TRACKER_ID_STATUS_OK;
-error:
- return LTTNG_TRACKER_ID_STATUS_INVALID;
-}
-
-enum lttng_tracker_id_status lttng_tracker_id_set_all(
- struct lttng_tracker_id *id)
-{
- assert(id);
-
- id->type = LTTNG_ID_ALL;
-
- return LTTNG_TRACKER_ID_STATUS_OK;
-}
-
-static void lttng_tracker_id_reset(struct lttng_tracker_id *id)
-{
- if (id == NULL) {
- return;
- }
-
- if (id->string != NULL) {
- free(id->string);
- id->string = NULL;
- }
-
- id->type = LTTNG_ID_UNKNOWN;
- id->value = -1;
-}
-
-void lttng_tracker_id_destroy(struct lttng_tracker_id *id)
-{
- if (id == NULL) {
- return;
- }
-
- lttng_tracker_id_reset(id);
-
- free(id);
-}
-
-enum lttng_tracker_id_type lttng_tracker_id_get_type(
- const struct lttng_tracker_id *id)
-{
- assert(id);
- return id->type;
-}
-
-enum lttng_tracker_id_status lttng_tracker_id_get_value(
- const struct lttng_tracker_id *id, int *value)
-{
- assert(id);
- if (id->type == LTTNG_ID_UNKNOWN) {
- return LTTNG_TRACKER_ID_STATUS_UNSET;
- }
-
- if (id->type != LTTNG_ID_VALUE) {
- return LTTNG_TRACKER_ID_STATUS_INVALID;
- }
-
- *value = id->value;
- return LTTNG_TRACKER_ID_STATUS_OK;
-}
-
-bool lttng_tracker_id_is_equal(const struct lttng_tracker_id *left,
- const struct lttng_tracker_id *right)
-{
- if (left->type != right->type) {
- return 0;
- }
-
- switch (left->type) {
- case LTTNG_ID_ALL:
- return 1;
- case LTTNG_ID_VALUE:
- if (left->value != right->value) {
- return 0;
- }
- break;
- case LTTNG_ID_STRING:
- if (strcmp(left->string, right->string) != 0) {
- return 0;
- }
- break;
- default:
- /*
- * Normally this should return true, but comparing unset tracker
- * id is "invalid".
- */
- return 0;
- }
- return 1;
-}
-
-int lttng_tracker_id_copy(struct lttng_tracker_id *dest,
- const struct lttng_tracker_id *orig)
-{
- int ret = 0;
- enum lttng_tracker_id_status status;
-
- assert(dest);
- assert(orig);
-
- switch (orig->type) {
- case LTTNG_ID_ALL:
- status = lttng_tracker_id_set_all(dest);
- break;
- case LTTNG_ID_VALUE:
- status = lttng_tracker_id_set_value(dest, orig->value);
- break;
- case LTTNG_ID_STRING:
- status = lttng_tracker_id_set_string(dest, orig->string);
- break;
- default:
- status = LTTNG_TRACKER_ID_STATUS_OK;
- break;
- }
-
- if (status != LTTNG_TRACKER_ID_STATUS_OK) {
- ret = -1;
- goto error;
- }
-error:
- return ret;
-}
-
-struct lttng_tracker_id *lttng_tracker_id_duplicate(
- const struct lttng_tracker_id *orig)
-{
- int ret;
- struct lttng_tracker_id *copy = NULL;
-
- copy = lttng_tracker_id_create();
- if (copy == NULL) {
- goto error;
- }
-
- ret = lttng_tracker_id_copy(copy, orig);
- if (ret) {
- goto error;
- }
-
- return copy;
-error:
- lttng_tracker_id_destroy(copy);
- return NULL;
-}
-
-enum lttng_tracker_id_status lttng_tracker_id_get_string(
- const struct lttng_tracker_id *id, const char **value)
-{
- assert(id);
- if (id->type == LTTNG_ID_UNKNOWN) {
- *value = NULL;
- return LTTNG_TRACKER_ID_STATUS_UNSET;
- }
-
- if (id->type != LTTNG_ID_STRING) {
- *value = NULL;
- return LTTNG_TRACKER_ID_STATUS_INVALID;
- }
-
- *value = id->string;
- return LTTNG_TRACKER_ID_STATUS_OK;
-}
-
-struct lttng_tracker_ids *lttng_tracker_ids_create(unsigned int count)
-{
- struct lttng_tracker_ids *ids = NULL;
-
- ids = zmalloc(sizeof(*ids));
- if (!ids) {
- goto error;
- }
-
- ids->id_array = zmalloc(sizeof(struct lttng_tracker_id) * count);
- if (!ids->id_array) {
- goto error;
- }
-
- ids->count = count;
-
- return ids;
-error:
- free(ids);
- return NULL;
-}
-
-LTTNG_HIDDEN
-struct lttng_tracker_id *lttng_tracker_ids_get_pointer_of_index(
- const struct lttng_tracker_ids *ids, unsigned int index)
-{
- assert(ids);
- if (index >= ids->count) {
- return NULL;
- }
-
- return &ids->id_array[index];
-}
-
-const struct lttng_tracker_id *lttng_tracker_ids_get_at_index(
- const struct lttng_tracker_ids *ids, unsigned int index)
-{
- assert(ids);
- return lttng_tracker_ids_get_pointer_of_index(ids, index);
-}
-
-enum lttng_tracker_id_status lttng_tracker_ids_get_count(const struct lttng_tracker_ids *ids, unsigned int *count)
-{
-
- enum lttng_tracker_id_status status = LTTNG_TRACKER_ID_STATUS_OK;
-
- if (!ids || !count) {
- status = LTTNG_TRACKER_ID_STATUS_INVALID;
- goto end;
- }
-
- *count = ids->count;
-end:
- return status;
-}
-
-void lttng_tracker_ids_destroy(struct lttng_tracker_ids *ids)
-{
- int i;
-
- if (!ids) {
- return;
- }
-
- for (i = 0; i < ids->count; i++) {
- lttng_tracker_id_reset(&ids->id_array[i]);
- }
- free(ids->id_array);
- free(ids);
-}
-
-int lttng_tracker_ids_serialize(const struct lttng_tracker_ids *ids,
- struct lttng_dynamic_buffer *buffer)
-{
- int ret;
- int value;
- const char *string;
- unsigned int count;
- enum lttng_tracker_id_status status;
- const struct lttng_tracker_id *id;
- unsigned int i;
-
- status = lttng_tracker_ids_get_count(ids, &count);
- if (status != LTTNG_TRACKER_ID_STATUS_OK) {
- ret = LTTNG_ERR_INVALID;
- goto error;
- }
-
- for (i = 0; i < count; i++) {
- struct lttcomm_tracker_id_header id_hdr;
- size_t var_data_len = 0;
-
- id = lttng_tracker_ids_get_at_index(ids, i);
- if (!id) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- memset(&id_hdr, 0, sizeof(id_hdr));
- id_hdr.type = lttng_tracker_id_get_type(id);
- switch (id_hdr.type) {
- case LTTNG_ID_ALL:
- break;
- case LTTNG_ID_VALUE:
- status = lttng_tracker_id_get_value(id, &value);
- id_hdr.u.value = value;
- if (status != LTTNG_TRACKER_ID_STATUS_OK) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
- break;
- case LTTNG_ID_STRING:
- status = lttng_tracker_id_get_string(
- id, &string);
- if (status != LTTNG_TRACKER_ID_STATUS_OK) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- id_hdr.u.var_data_len = var_data_len =
- strlen(string) + 1;
- break;
- default:
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
- ret = lttng_dynamic_buffer_append(
- buffer, &id_hdr, sizeof(id_hdr));
- if (ret) {
- ret = -LTTNG_ERR_NOMEM;
- goto error;
- }
- ret = lttng_dynamic_buffer_append(
- buffer, string, var_data_len);
- if (ret) {
- ret = -LTTNG_ERR_NOMEM;
- goto error;
- }
- }
-error:
- return ret;
-}
projects / lttng-tools.git / blobdiff