X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconfig%2Fsession-config.h;h=f48ff74ae6f54384279115c424105c76fc8cce38;hb=9c2bd8db1c70269d37537b7d02bae41ccab29056;hp=2fed612a1cfbd5783891ec16e99808dc386e3645;hpb=f40ef1d56886bc58f5d7e147d77f818f46b66456;p=lttng-tools.git

diff --git a/src/common/config/session-config.h b/src/common/config/session-config.h
index 2fed612a1..f48ff74ae 100644
--- a/src/common/config/session-config.h
+++ b/src/common/config/session-config.h
@@ -30,6 +30,13 @@ struct config_entry {
 	const char *value;
 };
 
+struct config_load_session_override_attr {
+	char *path_url;
+	char *ctrl_url;
+	char *data_url;
+	char *session_name;
+};
+
 /* Instance of a configuration writer. */
 struct config_writer;
 
@@ -57,7 +64,7 @@ typedef int (*config_entry_handler_cb)(const struct config_entry *, void *);
  * "", only the global entries are relayed.
  *
  * Returns 0 on success. Negative values are error codes. If the return value
- * is positive, it represents the line number on which a parsing error occured.
+ * is positive, it represents the line number on which a parsing error occurred.
  */
 LTTNG_HIDDEN
 int config_get_section_entries(const char *path, const char *section,
@@ -78,8 +85,8 @@ int config_parse_value(const char *value);
 /*
  * Create an instance of a configuration writer.
  *
- * fd_output File to which the XML content must be written. The file will be
- * closed once the config_writer has been destroyed.
+ * fd_output File to which the XML content must be written. fd_output is
+ * owned by the caller.
  *
  * indent If other than 0 the XML will be pretty printed
  * with indentation and newline.
@@ -108,13 +115,27 @@ int config_writer_destroy(struct config_writer *writer);
  *
  * element_name Element tag name.
  *
- * Returns zero if the XML document could be closed cleanly.
+ * Returns zero if the XML element could be opened.
  * Negative values indicate an error.
  */
 LTTNG_HIDDEN
 int config_writer_open_element(struct config_writer *writer,
 		const char *element_name);
 
+/*
+ * Write an element tag attribute.
+ *
+ * writer An instance of a configuration writer.
+ *
+ * name Attribute name.
+ *
+ * Returns zero if the XML element's attribute could be written.
+ * Negative values indicate an error.
+ */
+LTTNG_HIDDEN
+int config_writer_write_attribute(struct config_writer *writer,
+		const char *name, const char *value);
+
 /*
  * Close the current element tag.
  *
@@ -201,14 +222,16 @@ int config_writer_write_element_string(struct config_writer *writer,
  * session_name Name of the session to load. Will load all
  * sessions from path if NULL.
  *
- * override Override current session configuration if it exists.
+ * overwrite Overwrite current session configuration if it exists.
  * autoload Tell to load the auto session(s).
+ * overrides The override attribute structure specifying override parameters.
  *
  * Returns zero if the session could be loaded successfully. Returns
  * a negative LTTNG_ERR code on error.
  */
 LTTNG_HIDDEN
 int config_load_session(const char *path, const char *session_name,
-		int override, unsigned int autoload);
+		int overwrite, unsigned int autoload,
+		const struct config_load_session_override_attr *overrides);
 
 #endif /* _CONFIG_H */