X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.h;h=63b5a068d033462f4d1167b46c0a78d9aa42cfd8;hp=fd8f9116d21585d46fb1ac541272b397759cb293;hb=78435723057edf81c9adf14336a60c368790c0f6;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76 diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h index fd8f9116d..63b5a068d 100644 --- a/src/bin/lttng-sessiond/session.h +++ b/src/bin/lttng-sessiond/session.h @@ -18,12 +18,14 @@ #ifndef _LTT_SESSION_H #define _LTT_SESSION_H -#include -#include #include +#include + +#include "snapshot.h" #include "trace-kernel.h" -#include "trace-ust.h" + +struct ltt_ust_session; /* * Tracing session list @@ -33,19 +35,19 @@ */ struct ltt_session_list { /* - * This lock protects any read/write access to the list and count (which is - * basically the list size). All public functions in session.c acquire this - * lock and release it before returning. If none of those functions are - * used, the lock MUST be acquired in order to iterate or/and do any - * actions on that list. + * This lock protects any read/write access to the list and + * next_uuid. All public functions in session.c acquire this + * lock and release it before returning. If none of those + * functions are used, the lock MUST be acquired in order to + * iterate or/and do any actions on that list. */ pthread_mutex_t lock; /* - * Number of element in the list. The session list lock MUST be acquired if - * this counter is used when iterating over the session list. + * Session unique ID generator. The session list lock MUST be + * upon update and read of this counter. */ - unsigned int count; + unsigned int next_uuid; /* Linked list head */ struct cds_list_head head; @@ -57,7 +59,6 @@ struct ltt_session_list { */ struct ltt_session { char name[NAME_MAX]; - char path[PATH_MAX]; struct ltt_kernel_session *kernel_session; struct ltt_ust_session *ust_session; /* @@ -68,14 +69,34 @@ struct ltt_session { pthread_mutex_t lock; struct cds_list_head list; int enabled; /* enabled/started flag */ - int id; /* session unique identifier */ + unsigned int id; /* session unique identifier */ /* UID/GID of the user owning the session */ uid_t uid; gid_t gid; + /* + * Network session handle. A value of 0 means that there is no remote + * session established. + */ + uint64_t net_handle; + /* + * This consumer is only set when the create_session_uri call is made. + * This contains the temporary information for a consumer output. Upon + * creation of the UST or kernel session, this consumer, if available, is + * copied into those sessions. + */ + struct consumer_output *consumer; + + /* Did a start command occured before the kern/ust session creation? */ + unsigned int started; + + /* Snapshot representation in a session. */ + struct snapshot snapshot; + /* Indicate if the session has to output the traces or not. */ + unsigned int output_traces; }; /* Prototypes */ -int session_create(char *name, char *path, uid_t uid, gid_t gid); +int session_create(char *name, uid_t uid, gid_t gid); int session_destroy(struct ltt_session *session); void session_lock(struct ltt_session *session); @@ -86,4 +107,6 @@ void session_unlock_list(void); struct ltt_session *session_find_by_name(char *name); struct ltt_session_list *session_get_list(void); +int session_access_ok(struct ltt_session *session, uid_t uid, gid_t gid); + #endif /* _LTT_SESSION_H */