#define _LGPL_SOURCE
#include <assert.h>
#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"
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);
+ free(attr->override_attr.path_url);
+ free(attr->override_attr.ctrl_url);
+ free(attr->override_attr.data_url);
+}
+
void lttng_load_session_attr_destroy(struct lttng_load_session_attr *attr)
{
if (attr) {
+ reset_load_session_attr_urls(attr);
free(attr);
}
}
return attr ? attr->overwrite : -LTTNG_ERR_INVALID;
}
+const char *lttng_load_session_attr_get_override_path_url(
+ struct lttng_load_session_attr *attr)
+{
+ const char *ret = NULL;
+
+ if (attr && attr->override_attr.path_url) {
+ ret = attr->raw_override_path_url;
+ }
+
+ return ret;
+}
+
+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.ctrl_url) {
+ ret = attr->raw_override_ctrl_url;
+ }
+
+ 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.data_url) {
+ ret = attr->raw_override_data_url;
+ }
+
+ 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.path_url ||
+ (attr->override_attr.ctrl_url &&
+ attr->override_attr.data_url))) {
+ ret = attr->raw_override_url;
+ }
+
+ return ret;
+}
+
int lttng_load_session_attr_set_session_name(
struct lttng_load_session_attr *attr, const char *session_name)
{
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.path_url) {
+ /*
+ * FIXME: return a more meaningful error.
+ * Setting a ctrl override after a path override make 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.path_url) {
+ 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;
+ }
+
+ /*
+ * 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;
+}
/*
* The lttng-ctl API does not expose all the information needed to load the
* session configurations. Thus, we must send a load command to the session
projects / lttng-tools.git / blobdiff