sessiond: document effect of rotated_after_last_stop on clear

[lttng-tools.git] / src / bin / lttng-sessiond / snapshot.h

diff --git a/src/bin/lttng-sessiond/snapshot.h b/src/bin/lttng-sessiond/snapshot.h
index 91215272ac83f3316348c0c10ae098c6b26b5fbf..12641860ad5c940b2e926b88fd2f121a08b3e739 100644 (file)
--- a/src/bin/lttng-sessiond/snapshot.h
+++ b/src/bin/lttng-sessiond/snapshot.h
@@ -28,14 +28,23 @@
 #include "consumer.h"
 
 struct consumer_output;
+struct ltt_session;
 
 struct snapshot_output {
        uint32_t id;
        uint64_t max_size;
+       /* Number of snapshot taken with that output. */
+       uint64_t nb_snapshot;
        char name[NAME_MAX];
        struct consumer_output *consumer;
        int kernel_sockets_copied;
        int ust_sockets_copied;
+       /*
+        * Contains the string with "<date>-<time>" for when the snapshot command
+        * is triggered. This is to make sure every streams will use the same time
+        * for the directory output.
+        */
+       char datetime[16];
 
        /* Indexed by ID. */
        struct lttng_ht_node_ulong node;
@@ -44,6 +53,11 @@ struct snapshot_output {
 struct snapshot {
        unsigned long next_output_id;
        size_t nb_output;
+       /*
+        * Number of snapshot taken for that object. This value is used with a
+        * temporary output of a snapshot record.
+        */
+       uint64_t nb_snapshot;
        struct lttng_ht *output_ht;
 };
 
@@ -59,11 +73,19 @@ void snapshot_add_output(struct snapshot *snapshot,
 /* Snapshot output object. */
 struct snapshot_output *snapshot_output_alloc(void);
 void snapshot_output_destroy(struct snapshot_output *obj);
-int snapshot_output_init(uint64_t max_size, const char *name,
+int snapshot_output_init(const struct ltt_session *session,
+               uint64_t max_size, const char *name,
                const char *ctrl_url, const char *data_url,
                struct consumer_output *consumer, struct snapshot_output *output,
                struct snapshot *snapshot);
+int snapshot_output_init_with_uri(const struct ltt_session *session,
+               uint64_t max_size, const char *name,
+               struct lttng_uri *uris, size_t nb_uri,
+               struct consumer_output *consumer, struct snapshot_output *output,
+               struct snapshot *snapshot);
 struct snapshot_output *snapshot_find_output_by_id(uint32_t id,
                struct snapshot *snapshot);
+struct snapshot_output *snapshot_find_output_by_name(const char *name,
+               struct snapshot *snapshot);
 
 #endif /* SNAPSHOT_H */