src/plugins/ctf/lttng-live/viewer-connection.h

   1 #ifndef LTTNG_LIVE_VIEWER_CONNECTION_H
   2 #define LTTNG_LIVE_VIEWER_CONNECTION_H
   3
   4 /*
   5  * Copyright 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include <stdbool.h>
  27 #include <stdint.h>
  28 #include <stdio.h>
  29
  30 #include <glib.h>
  31
  32 #include <babeltrace2/babeltrace.h>
  33
  34 #include "common/macros.h"
  35 #include "compat/socket.h"
  36
  37 #define LTTNG_DEFAULT_NETWORK_VIEWER_PORT       5344
  38
  39 #define LTTNG_LIVE_MAJOR                        2
  40 #define LTTNG_LIVE_MINOR                        4
  41
  42 struct lttng_live_component;
  43
  44 struct live_viewer_connection {
  45         bt_logging_level log_level;
  46         bt_self_component *self_comp;
  47         bt_self_component_class *self_comp_class;
  48
  49         GString *url;
  50
  51         GString *relay_hostname;
  52         GString *target_hostname;
  53         GString *session_name;
  54
  55         BT_SOCKET control_sock;
  56         int port;
  57
  58         int32_t major;
  59         int32_t minor;
  60
  61         bool in_query;
  62         struct lttng_live_msg_iter *lttng_live_msg_iter;
  63 };
  64
  65 struct packet_index_time {
  66         uint64_t timestamp_begin;
  67         uint64_t timestamp_end;
  68 };
  69
  70 struct packet_index {
  71         off_t offset;           /* offset of the packet in the file, in bytes */
  72         int64_t data_offset;    /* offset of data within the packet, in bits */
  73         uint64_t packet_size;   /* packet size, in bits */
  74         uint64_t content_size;  /* content size, in bits */
  75         uint64_t events_discarded;
  76         uint64_t events_discarded_len;  /* length of the field, in bits */
  77         struct packet_index_time ts_cycles;     /* timestamp in cycles */
  78         struct packet_index_time ts_real;       /* realtime timestamp */
  79         /* CTF_INDEX 1.0 limit */
  80         uint64_t stream_instance_id;    /* ID of the channel instance */
  81         uint64_t packet_seq_num;        /* packet sequence number */
  82 };
  83
  84 struct live_viewer_connection * live_viewer_connection_create(
  85                 const char *url, bool in_query,
  86                 struct lttng_live_msg_iter *lttng_live_msg_iter,
  87                 bt_self_component *self_comp,
  88                 bt_self_component_class *self_comp_class,
  89                 bt_logging_level log_level);
  90
  91 void live_viewer_connection_destroy(
  92                 struct live_viewer_connection *conn);
  93
  94 bt_component_class_query_method_status live_viewer_connection_list_sessions(
  95                 struct live_viewer_connection *viewer_connection,
  96                 const bt_value **user_result);
  97
  98 #endif /* LTTNG_LIVE_VIEWER_CONNECTION_H */