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 <stdio.h>
  27 #include <glib.h>
  28
  29 #include <babeltrace/babeltrace-internal.h>
  30
  31 //TODO: this should not be used by plugins. Should copy code into plugin
  32 //instead.
  33 #include "babeltrace/object-internal.h"
  34
  35 #define LTTNG_DEFAULT_NETWORK_VIEWER_PORT       5344
  36
  37 #define LTTNG_LIVE_MAJOR                        2
  38 #define LTTNG_LIVE_MINOR                        4
  39
  40 struct bt_live_viewer_connection {
  41         struct bt_object obj;
  42
  43         FILE *error_fp;
  44
  45         GString *url;
  46
  47         char relay_hostname[MAXNAMLEN];
  48         char target_hostname[MAXNAMLEN];
  49         char session_name[MAXNAMLEN];
  50         int control_sock;
  51         int port;
  52
  53         int32_t major;
  54         int32_t minor;
  55 };
  56
  57 struct packet_index_time {
  58         int64_t timestamp_begin;
  59         int64_t timestamp_end;
  60 };
  61
  62 struct packet_index {
  63         off_t offset;           /* offset of the packet in the file, in bytes */
  64         int64_t data_offset;    /* offset of data within the packet, in bits */
  65         uint64_t packet_size;   /* packet size, in bits */
  66         uint64_t content_size;  /* content size, in bits */
  67         uint64_t events_discarded;
  68         uint64_t events_discarded_len;  /* length of the field, in bits */
  69         struct packet_index_time ts_cycles;     /* timestamp in cycles */
  70         struct packet_index_time ts_real;       /* realtime timestamp */
  71         /* CTF_INDEX 1.0 limit */
  72         uint64_t stream_instance_id;    /* ID of the channel instance */
  73         uint64_t packet_seq_num;        /* packet sequence number */
  74 };
  75
  76 struct bt_live_viewer_connection *
  77         bt_live_viewer_connection_create(const char *url, FILE *error_fp);
  78
  79 void bt_live_viewer_connection_destroy(struct bt_live_viewer_connection *conn);
  80
  81 struct bt_value *bt_live_viewer_connection_list_sessions(struct bt_live_viewer_connection *viewer_connection);
  82
  83 #endif /* LTTNG_LIVE_VIEWER_CONNECTION_H */