X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.h;h=de98bde514f4e62d56984faa455d7905f1dd3325;hp=167ea9c058afa2fac651e1fedc886e7009526aca;hb=59a8d3ecc8cbc7e00354a18b591f1a83304849d7;hpb=a24f7994321e1b114bf900b530604560786a9131 diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h index 167ea9c05..de98bde51 100644 --- a/src/bin/lttng-sessiond/session.h +++ b/src/bin/lttng-sessiond/session.h @@ -20,8 +20,12 @@ #include +#include + +#include "snapshot.h" #include "trace-kernel.h" -#include "trace-ust.h" + +struct ltt_ust_session; /* * Tracing session list @@ -43,7 +47,7 @@ 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; @@ -55,7 +59,8 @@ struct ltt_session_list { */ struct ltt_session { char name[NAME_MAX]; - char path[PATH_MAX]; + /* FIXME : size */ + char hostname[PATH_MAX]; /* local hostname, FIXME : could be useful to have that user defined too */ struct ltt_kernel_session *kernel_session; struct ltt_ust_session *ust_session; /* @@ -66,7 +71,7 @@ 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; @@ -82,10 +87,28 @@ struct ltt_session { * 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; + /* + * 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. + */ + int live_timer; }; /* 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); @@ -96,4 +119,6 @@ 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 */