X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.h;h=368b352fa22388c9edae452fda760535b767ccf5;hp=63b5a068d033462f4d1167b46c0a78d9aa42cfd8;hb=d98ad589cd758f4a3167fb451a6e45d167b42942;hpb=6dc3064a30b0cc7cfa9fdd22da1963525dfb7388

diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h
index 63b5a068d..368b352fa 100644
--- a/src/bin/lttng-sessiond/session.h
+++ b/src/bin/lttng-sessiond/session.h
@@ -18,6 +18,7 @@
 #ifndef _LTT_SESSION_H
 #define _LTT_SESSION_H
 
+#include <limits.h>
 #include <urcu/list.h>
 
 #include <common/hashtable/hashtable.h>
@@ -47,7 +48,7 @@ struct ltt_session_list {
 	 * Session unique ID generator. The session list lock MUST be
 	 * upon update and read of this counter.
 	 */
-	unsigned int next_uuid;
+	uint64_t next_uuid;
 
 	/* Linked list head */
 	struct cds_list_head head;
@@ -59,6 +60,7 @@ struct ltt_session_list {
  */
 struct ltt_session {
 	char name[NAME_MAX];
+	char hostname[HOST_NAME_MAX]; /* Local hostname. */
 	struct ltt_kernel_session *kernel_session;
 	struct ltt_ust_session *ust_session;
 	/*
@@ -68,8 +70,7 @@ struct ltt_session {
 	 */
 	pthread_mutex_t lock;
 	struct cds_list_head list;
-	int enabled;	/* enabled/started flag */
-	unsigned int id;		/* session unique identifier */
+	uint64_t id;		/* session unique identifier */
 	/* UID/GID of the user owning the session */
 	uid_t uid;
 	gid_t gid;
@@ -86,13 +87,28 @@ struct ltt_session {
 	 */
 	struct consumer_output *consumer;
 
-	/* Did a start command occured before the kern/ust session creation? */
-	unsigned int started;
+	/* Did at least ONE start command has been triggered?. */
+	unsigned int has_been_started:1;
+	/*
+	 * Is the session active? Start trace command sets this to 1 and the stop
+	 * command reset it to 0.
+	 */
+	unsigned int active:1;
 
 	/* Snapshot representation in a session. */
 	struct snapshot snapshot;
 	/* Indicate if the session has to output the traces or not. */
 	unsigned int output_traces;
+	/*
+	 * This session is in snapshot mode. This means that every channel enabled
+	 * will be set in overwrite mode and mmap. It is considered exclusively for
+	 * snapshot purposes.
+	 */
+	unsigned int snapshot_mode;
+	/*
+	 * Timer set when the session is created for live reading.
+	 */
+	unsigned int live_timer;
 };
 
 /* Prototypes */
@@ -104,7 +120,7 @@ void session_lock_list(void);
 void session_unlock(struct ltt_session *session);
 void session_unlock_list(void);
 
-struct ltt_session *session_find_by_name(char *name);
+struct ltt_session *session_find_by_name(const char *name);
 struct ltt_session_list *session_get_list(void);
 
 int session_access_ok(struct ltt_session *session, uid_t uid, gid_t gid);