+++ /dev/null
-/*
- * Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#define _LGPL_SOURCE
-#include <string.h>
-#include <limits.h>
-
-#include <lttng/lttng-error.h>
-#include <lttng/load.h>
-#include <lttng/load-internal.h>
-#include <common/sessiond-comm/sessiond-comm.h>
-#include <common/config/session-config.h>
-#include <common/uri.h>
-#include <common/macros.h>
-#include <common/compat/string.h>
-
-#include "lttng-ctl-helper.h"
-
-struct lttng_load_session_attr *lttng_load_session_attr_create(void)
-{
- return zmalloc(sizeof(struct lttng_load_session_attr));
-}
-
-static
-void reset_load_session_attr_urls(struct lttng_load_session_attr *attr)
-{
- free(attr->raw_override_url);
- free(attr->raw_override_path_url);
- free(attr->raw_override_ctrl_url);
- free(attr->raw_override_data_url);
- if (attr->override_attr) {
- free(attr->override_attr->path_url);
- free(attr->override_attr->ctrl_url);
- free(attr->override_attr->data_url);
- free(attr->override_attr->session_name);
- }
-}
-
-void lttng_load_session_attr_destroy(struct lttng_load_session_attr *attr)
-{
- if (attr) {
- reset_load_session_attr_urls(attr);
- free(attr->override_attr);
- free(attr);
- }
-}
-
-static int validate_attr(const struct lttng_load_session_attr *attr)
-{
- int ret = 0;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (!attr->override_attr) {
- goto end;
- }
-
- /*
- * Refuse override name if the objective is to load multiple session
- * since this operation is ambiguous while loading multiple session.
- */
- if (attr->override_attr->session_name
- && attr->session_name[0] == '\0') {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-end:
- return ret;
-}
-
-const char *lttng_load_session_attr_get_session_name(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (attr && attr->session_name[0]) {
- ret = attr->session_name;
- }
-
- return ret;
-}
-
-const char *lttng_load_session_attr_get_input_url(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (attr && attr->input_url[0]) {
- ret = attr->input_url;
- }
-
- return ret;
-}
-
-int lttng_load_session_attr_get_overwrite(
- struct lttng_load_session_attr *attr)
-{
- return attr ? attr->overwrite : -LTTNG_ERR_INVALID;
-}
-
-const char *lttng_load_session_attr_get_override_ctrl_url(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (!attr || !attr->override_attr) {
- goto end;
- }
-
- ret = attr->raw_override_ctrl_url;
-end:
- return ret;
-}
-
-const char *lttng_load_session_attr_get_override_data_url(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (!attr || !attr->override_attr) {
- goto end;
- }
-
- ret = attr->raw_override_data_url;
-end:
- return ret;
-}
-
-const char *lttng_load_session_attr_get_override_url(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (!attr || !attr->override_attr) {
- goto end;
- }
-
- if ((attr->override_attr->path_url ||
- (attr->override_attr->ctrl_url &&
- attr->override_attr->data_url))) {
- ret = attr->raw_override_url;
- }
-end:
- return ret;
-}
-
-const char *lttng_load_session_attr_get_override_session_name(
- struct lttng_load_session_attr *attr)
-{
- const char *ret = NULL;
-
- if (!attr || !attr->override_attr) {
- goto end;
- }
-
- ret = attr->override_attr->session_name;
-end:
- return ret;
-}
-
-int lttng_load_session_attr_set_session_name(
- struct lttng_load_session_attr *attr, const char *session_name)
-{
- int ret = 0;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- if (session_name) {
- size_t len;
-
- len = strlen(session_name);
- if (len >= LTTNG_NAME_MAX) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- ret = lttng_strncpy(attr->session_name, session_name,
- sizeof(attr->session_name));
- if (ret) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
- } else {
- attr->session_name[0] = '\0';
- }
-error:
- return ret;
-}
-
-int lttng_load_session_attr_set_input_url(
- struct lttng_load_session_attr *attr, const char *url)
-{
- int ret = 0;
- size_t len;
- ssize_t size;
- struct lttng_uri *uris = NULL;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- if (!url) {
- attr->input_url[0] = '\0';
- ret = 0;
- goto end;
- }
-
- len = strlen(url);
- if (len >= PATH_MAX) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- size = uri_parse_str_urls(url, NULL, &uris);
- if (size <= 0 || uris[0].dtype != LTTNG_DST_PATH) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
- /* Copy string plus the NULL terminated byte. */
- ret = lttng_strncpy(attr->input_url, uris[0].dst.path,
- sizeof(attr->input_url));
- if (ret) {
- ret = -LTTNG_ERR_INVALID;
- goto error;
- }
-
-end:
-error:
- free(uris);
- return ret;
-}
-
-int lttng_load_session_attr_set_overwrite(
- struct lttng_load_session_attr *attr, int overwrite)
-{
- int ret = 0;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- attr->overwrite = !!overwrite;
-end:
- return ret;
-}
-
-int lttng_load_session_attr_set_override_ctrl_url(
- struct lttng_load_session_attr *attr, const char *url)
-{
- int ret = 0;
- ssize_t ret_size;
- struct lttng_uri *uri = NULL;
- char *url_str = NULL;
- char *raw_str = NULL;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (!attr->override_attr) {
- attr->override_attr = zmalloc(
- sizeof(struct config_load_session_override_attr));
- if (!attr->override_attr) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
- }
-
- if (attr->override_attr->path_url) {
- /*
- * Setting a ctrl override after a path override makes no sense.
- */
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- /*
- * FIXME: uri_parse should be able to take as parameter the protocol
- * type to validate "url". For now only check the parsing goes through;
- * it will fail later on.
- */
- ret_size = uri_parse(url, &uri);
- if (ret_size < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (uri[0].port == 0) {
- uri[0].port = DEFAULT_NETWORK_CONTROL_PORT;
- }
-
- url_str = zmalloc(PATH_MAX);
- if (!url_str) {
- /* FIXME: return valid error */
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- ret = uri_to_str_url(&uri[0], url_str, PATH_MAX);
- if (ret < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = 0;
-
- raw_str = lttng_strndup(url, PATH_MAX);
- if (!raw_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- /* Squash old value if any */
- free(attr->override_attr->ctrl_url);
- free(attr->raw_override_ctrl_url);
-
- /* Populate the object */
- attr->override_attr->ctrl_url = url_str;
- attr->raw_override_ctrl_url = raw_str;
-
- /* Ownership passed to attr. */
- url_str = NULL;
- raw_str = NULL;
-
-end:
- free(raw_str);
- free(url_str);
- free(uri);
- return ret;
-}
-
-int lttng_load_session_attr_set_override_data_url(
- struct lttng_load_session_attr *attr, const char *url)
-{
- int ret = 0;
- ssize_t ret_size;
- struct lttng_uri *uri = NULL;
- char *url_str = NULL;
- char *raw_str = NULL;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (!attr->override_attr) {
- attr->override_attr = zmalloc(
- sizeof(struct config_load_session_override_attr));
- if (!attr->override_attr) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
- }
-
- if (attr->override_attr->path_url) {
- /*
- * Setting a data override after a path override makes no sense.
- */
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- /*
- * FIXME: uri_parse should be able to take as parameter the protocol
- * type to validate "url". For now only check the parsing goes through;
- * it will fail later on.
- */
- ret_size = uri_parse(url, &uri);
- if (ret_size < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (uri[0].port == 0) {
- uri[0].port = DEFAULT_NETWORK_DATA_PORT;
- }
-
- url_str = zmalloc(PATH_MAX);
- if (!url_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- ret = uri_to_str_url(&uri[0], url_str, PATH_MAX);
- if (ret < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = 0;
-
- raw_str = lttng_strndup(url, PATH_MAX);
- if (!raw_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- /* Squash old value if any */
- free(attr->override_attr->data_url);
- free(attr->raw_override_data_url);
-
- /* Populate the object */
- attr->override_attr->data_url = url_str;
- attr->raw_override_data_url = raw_str;
-
- /* Ownership passed to attr. */
- url_str = NULL;
- raw_str = NULL;
-end:
- free(raw_str);
- free(url_str);
- free(uri);
- return ret;
-}
-
-int lttng_load_session_attr_set_override_url(
- struct lttng_load_session_attr *attr, const char *url)
-{
- int ret = 0;
- ssize_t ret_size;
- struct lttng_uri *uri = NULL;
- char *raw_url_str = NULL;
- char *raw_path_str = NULL;
- char *path_str = NULL;
- char *raw_ctrl_str = NULL;
- char *ctrl_str = NULL;
- char *raw_data_str = NULL;
- char *data_str = NULL;
- char buffer[PATH_MAX];
-
- if (!attr || !url || strlen(url) >= PATH_MAX) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (!attr->override_attr) {
- attr->override_attr = zmalloc(
- sizeof(struct config_load_session_override_attr));
- if (!attr->override_attr) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
- }
-
- /*
- * FIXME: uri_parse should be able to take as parameter the protocol
- * type to validate "url". For now only check the parsing goes through;
- * it will fail later on.
- */
- ret_size = uri_parse_str_urls(url, NULL, &uri);
- if (ret_size < 0 || ret_size > 2) {
- /* Unexpected URL format. */
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- raw_url_str = lttng_strndup(url, PATH_MAX);
- if (!raw_url_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- /* Get path | ctrl && data string URL. */
- ret = uri_to_str_url(&uri[0], buffer, sizeof(buffer));
- if (ret < 0 || ret >= PATH_MAX) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = 0;
-
- switch (uri[0].dtype) {
- case LTTNG_DST_PATH:
- raw_path_str = lttng_strndup(buffer, PATH_MAX);
- if (!raw_path_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- path_str = lttng_strndup(raw_path_str, PATH_MAX);
- if (!path_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
- break;
- case LTTNG_DST_IPV4:
- case LTTNG_DST_IPV6:
- if (ret_size != 2) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- raw_ctrl_str = lttng_strndup(buffer, PATH_MAX);
- if (!raw_ctrl_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- ctrl_str = lttng_strndup(raw_ctrl_str, PATH_MAX);
- if (!ctrl_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- /* Get the data uri. */
- ret = uri_to_str_url(&uri[1], buffer, sizeof(buffer));
- if (ret < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = 0;
-
- raw_data_str = lttng_strndup(buffer, PATH_MAX);
- if (!raw_data_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- data_str = lttng_strndup(raw_data_str, PATH_MAX);
- if (!data_str) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-
- break;
- default:
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- reset_load_session_attr_urls(attr);
-
- attr->override_attr->path_url = path_str;
- attr->override_attr->ctrl_url = ctrl_str;
- attr->override_attr->data_url = data_str;
-
- attr->raw_override_url = raw_url_str;
- attr->raw_override_path_url = raw_path_str;
- attr->raw_override_ctrl_url = raw_ctrl_str;
- attr->raw_override_data_url = raw_data_str;
-
- /* Pass data ownership to attr. */
- raw_url_str = NULL;
- raw_path_str = NULL;
- path_str = NULL;
- raw_ctrl_str = NULL;
- ctrl_str = NULL;
- raw_data_str = NULL;
- data_str = NULL;
-
-end:
- free(raw_path_str);
- free(path_str);
- free(raw_ctrl_str);
- free(ctrl_str);
- free(raw_data_str);
- free(data_str);
- free(raw_url_str);
- free(uri);
- return ret;
-}
-
-int lttng_load_session_attr_set_override_session_name(
- struct lttng_load_session_attr *attr, const char *session_name)
-{
- int ret = 0;
- size_t len;
-
- if (!attr ||!session_name) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (!attr->override_attr) {
- attr->override_attr = zmalloc(
- sizeof(struct config_load_session_override_attr));
- if (!attr->override_attr) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
- }
-
- len = strlen(session_name);
- if (len >= LTTNG_NAME_MAX) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- attr->override_attr->session_name = lttng_strndup(session_name,
- len);
- if (!attr->override_attr->session_name) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
- }
-end:
- return ret;
-}
-
-int lttng_load_session(struct lttng_load_session_attr *attr)
-{
- int ret;
- const char *url, *session_name;
-
- if (!attr) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- ret = validate_attr(attr);
- if (ret) {
- goto end;
- }
-
- url = attr->input_url[0] != '\0' ? attr->input_url : NULL;
- session_name = attr->session_name[0] != '\0' ?
- attr->session_name : NULL;
-
- ret = config_load_session(url, session_name, attr->overwrite, 0,
- attr->override_attr);
-
-end:
- return ret;
-}
projects / lttng-tools.git / blobdiff