X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsnapshot.hpp;fp=src%2Fbin%2Flttng-sessiond%2Fsnapshot.hpp;h=6aa06ddc6fb02e6c34afa7ff6c16e92ca0b5162f;hp=0000000000000000000000000000000000000000;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c

diff --git a/src/bin/lttng-sessiond/snapshot.hpp b/src/bin/lttng-sessiond/snapshot.hpp
new file mode 100644
index 000000000..6aa06ddc6
--- /dev/null
+++ b/src/bin/lttng-sessiond/snapshot.hpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef SNAPSHOT_H
+#define SNAPSHOT_H
+
+#include <limits.h>
+#include <stdint.h>
+
+#include <common/common.hpp>
+#include <common/hashtable/hashtable.hpp>
+#include <common/uri.hpp>
+
+#include "consumer.hpp"
+
+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;
+};
+
+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;
+};
+
+/* Snapshot object. */
+struct snapshot *snapshot_alloc(void);
+void snapshot_destroy(struct snapshot *obj);
+int snapshot_init(struct snapshot *obj);
+void snapshot_delete_output(struct snapshot *snapshot,
+		struct snapshot_output *output);
+void snapshot_add_output(struct snapshot *snapshot,
+		struct snapshot_output *output);
+
+/* Snapshot output object. */
+struct snapshot_output *snapshot_output_alloc(void);
+void snapshot_output_destroy(struct snapshot_output *obj);
+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 */