ctf: compile plugin as C++

[babeltrace.git] / src / plugins / ctf / lttng-live / viewer-connection.hpp

diff --git a/src/plugins/ctf/lttng-live/viewer-connection.hpp b/src/plugins/ctf/lttng-live/viewer-connection.hpp
new file mode 100644 (file)
index 0000000..45cc8e2
--- /dev/null
+++ b/src/plugins/ctf/lttng-live/viewer-connection.hpp
@@ -0,0 +1,110 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#ifndef LTTNG_LIVE_VIEWER_CONNECTION_H
+#define LTTNG_LIVE_VIEWER_CONNECTION_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <glib.h>
+
+#include <babeltrace2/babeltrace.h>
+
+#include "common/macros.h"
+#include "compat/socket.h"
+
+#define LTTNG_DEFAULT_NETWORK_VIEWER_PORT      5344
+
+#define LTTNG_LIVE_MAJOR                       2
+#define LTTNG_LIVE_MINOR                       4
+
+enum lttng_live_viewer_status {
+       LTTNG_LIVE_VIEWER_STATUS_OK             = 0,
+       LTTNG_LIVE_VIEWER_STATUS_ERROR          = -1,
+       LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED    = -2,
+};
+
+enum lttng_live_get_one_metadata_status {
+       /* The end of the metadata stream was reached. */
+       LTTNG_LIVE_GET_ONE_METADATA_STATUS_END          = 1,
+       /* One metadata packet was received and written to file. */
+       LTTNG_LIVE_GET_ONE_METADATA_STATUS_OK           = LTTNG_LIVE_VIEWER_STATUS_OK,
+       /*
+        * A critical error occurred when contacting the relay or while
+        * handling its response.
+        */
+       LTTNG_LIVE_GET_ONE_METADATA_STATUS_ERROR        = LTTNG_LIVE_VIEWER_STATUS_ERROR,
+
+       LTTNG_LIVE_GET_ONE_METADATA_STATUS_INTERRUPTED  = LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED,
+
+       /* The metadata stream was not found on the relay. */
+       LTTNG_LIVE_GET_ONE_METADATA_STATUS_CLOSED       = -3,
+};
+
+struct lttng_live_component;
+
+struct live_viewer_connection {
+       bt_logging_level log_level;
+       bt_self_component *self_comp;
+       bt_self_component_class *self_comp_class;
+
+       GString *url;
+
+       GString *relay_hostname;
+       GString *target_hostname;
+       GString *session_name;
+       GString *proto;
+
+       BT_SOCKET control_sock;
+       int port;
+
+       int32_t major;
+       int32_t minor;
+
+       bool in_query;
+       struct lttng_live_msg_iter *lttng_live_msg_iter;
+};
+
+struct packet_index_time {
+       uint64_t timestamp_begin;
+       uint64_t timestamp_end;
+};
+
+struct packet_index {
+       off_t offset;           /* offset of the packet in the file, in bytes */
+       int64_t data_offset;    /* offset of data within the packet, in bits */
+       uint64_t packet_size;   /* packet size, in bits */
+       uint64_t content_size;  /* content size, in bits */
+       uint64_t events_discarded;
+       uint64_t events_discarded_len;  /* length of the field, in bits */
+       struct packet_index_time ts_cycles;     /* timestamp in cycles */
+       struct packet_index_time ts_real;       /* realtime timestamp */
+       /* CTF_INDEX 1.0 limit */
+       uint64_t stream_instance_id;    /* ID of the channel instance */
+       uint64_t packet_seq_num;        /* packet sequence number */
+};
+
+enum lttng_live_viewer_status live_viewer_connection_create(
+               bt_self_component *self_comp,
+               bt_self_component_class *self_comp_class,
+               bt_logging_level log_level,
+               const char *url, bool in_query,
+               struct lttng_live_msg_iter *lttng_live_msg_iter,
+               struct live_viewer_connection **viewer_connection);
+
+void live_viewer_connection_destroy(
+               struct live_viewer_connection *conn);
+
+enum lttng_live_viewer_status lttng_live_create_viewer_session(
+               struct lttng_live_msg_iter *lttng_live_msg_iter);
+
+bt_component_class_query_method_status live_viewer_connection_list_sessions(
+               struct live_viewer_connection *viewer_connection,
+               const bt_value **user_result);
+
+#endif /* LTTNG_LIVE_VIEWER_CONNECTION_H */