src/lib/graph/message/message-iterator-inactivity.c

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #define BT_LOG_TAG "LIB/MSG-MSG-ITER-INACTIVITY"
   8 #include "lib/logging.h"
   9
  10 #include "lib/assert-cond.h"
  11 #include "lib/object.h"
  12 #include "compat/compiler.h"
  13 #include <babeltrace2/trace-ir/clock-class.h>
  14 #include "lib/trace-ir/clock-snapshot.h"
  15 #include "lib/graph/message/message.h"
  16 #include <babeltrace2/graph/message.h>
  17
  18 #include "message-iterator-inactivity.h"
  19
  20 static
  21 void bt_message_message_iterator_inactivity_destroy(struct bt_object *obj)
  22 {
  23         struct bt_message_message_iterator_inactivity *message =
  24                         (struct bt_message_message_iterator_inactivity *) obj;
  25
  26         BT_LIB_LOGD("Destroying message iterator inactivity message: %!+n",
  27                 message);
  28
  29         if (message->cs) {
  30                 bt_clock_snapshot_recycle(message->cs);
  31                 message->cs = NULL;
  32         }
  33
  34         g_free(message);
  35 }
  36
  37 BT_EXPORT
  38 struct bt_message *bt_message_message_iterator_inactivity_create(
  39                 struct bt_self_message_iterator *self_msg_iter,
  40                 const struct bt_clock_class *clock_class,
  41                 uint64_t value_cycles)
  42 {
  43         struct bt_message_iterator *msg_iter =
  44                 (void *) self_msg_iter;
  45         struct bt_message_message_iterator_inactivity *message;
  46         struct bt_message *ret_msg = NULL;
  47
  48         BT_ASSERT_PRE_DEV_NO_ERROR();
  49         BT_ASSERT_PRE_MSG_ITER_NON_NULL(msg_iter);
  50         BT_ASSERT_PRE_DEF_CLK_CLS_NON_NULL(clock_class);
  51         BT_LIB_LOGD("Creating message iterator inactivity message object: "
  52                 "%![iter-]+i, %![cc-]+K, value=%" PRIu64, msg_iter,
  53                 clock_class, value_cycles);
  54         message = g_new0(struct bt_message_message_iterator_inactivity, 1);
  55         if (!message) {
  56                 BT_LIB_LOGE_APPEND_CAUSE(
  57                         "Failed to allocate one message iterator "
  58                         "inactivity message.");
  59                 goto error;
  60         }
  61         bt_message_init(&message->parent,
  62                 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY,
  63                 bt_message_message_iterator_inactivity_destroy, NULL);
  64         ret_msg = &message->parent;
  65         message->cs = bt_clock_snapshot_create(
  66                 (void *) clock_class);
  67         if (!message->cs) {
  68                 goto error;
  69         }
  70         bt_clock_snapshot_set_raw_value(message->cs, value_cycles);
  71
  72         BT_LIB_LOGD("Created message iterator inactivity message object: %!+n",
  73                 ret_msg);
  74         goto end;
  75
  76 error:
  77         BT_OBJECT_PUT_REF_AND_RESET(ret_msg);
  78
  79 end:
  80         return (void *) ret_msg;
  81 }
  82
  83 BT_EXPORT
  84 const struct bt_clock_snapshot *
  85 bt_message_message_iterator_inactivity_borrow_clock_snapshot_const(
  86                 const bt_message *msg)
  87 {
  88         struct bt_message_message_iterator_inactivity *inactivity = (void *) msg;
  89
  90         BT_ASSERT_PRE_DEV_MSG_NON_NULL(msg);
  91         BT_ASSERT_PRE_DEV_MSG_HAS_TYPE("message", msg,
  92                 "message-iterator-inactivity",
  93                 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY);
  94         return inactivity->cs;
  95 }