compat: fix compilation with !BABELTRACE_HAVE_OPEN_MEMSTREAM

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

diff --git a/src/plugins/ctf/lttng-live/viewer-connection.h b/src/plugins/ctf/lttng-live/viewer-connection.h
index fcdd4c4dbddc96cb7b22191a3b672844f4c13c87..45cc8e212248432722c2e593dcd182e5b3511e4a 100644 (file)
--- a/src/plugins/ctf/lttng-live/viewer-connection.h
+++ b/src/plugins/ctf/lttng-live/viewer-connection.h
@@ -1,52 +1,54 @@
-#ifndef LTTNG_LIVE_VIEWER_CONNECTION_H
-#define LTTNG_LIVE_VIEWER_CONNECTION_H
-
 /*
- * Copyright 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * SPDX-License-Identifier: MIT
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * 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"
 
-/*
- * FIXME: This is an internal Babeltrace library header; it is not meant
- * to be generic as it is now. Make sure this included code does not
- * log because it won't find our local log level.
- */
-#define BT_OBJECT_DONT_LOG
-#include "lib/object.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_object obj;
        bt_logging_level log_level;
        bt_self_component *self_comp;
        bt_self_component_class *self_comp_class;
@@ -56,6 +58,7 @@ struct live_viewer_connection {
        GString *relay_hostname;
        GString *target_hostname;
        GString *session_name;
+       GString *proto;
 
        BT_SOCKET control_sock;
        int port;
@@ -86,16 +89,20 @@ struct packet_index {
        uint64_t packet_seq_num;        /* packet sequence number */
 };
 
-struct live_viewer_connection * live_viewer_connection_create(
-               const char *url, bool in_query,
-               struct lttng_live_msg_iter *lttng_live_msg_iter,
+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);
+               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);