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-pre.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 struct bt_message *bt_message_message_iterator_inactivity_create(
  38                 struct bt_self_message_iterator *self_msg_iter,
  39                 const struct bt_clock_class *clock_class,
  40                 uint64_t value_cycles)
  41 {
  42         struct bt_message_iterator *msg_iter =
  43                 (void *) self_msg_iter;
  44         struct bt_message_message_iterator_inactivity *message;
  45         struct bt_message *ret_msg = NULL;
  46
  47         BT_ASSERT_PRE_DEV_NO_ERROR();
  48         BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
  49         BT_ASSERT_PRE_NON_NULL(clock_class, "Default clock class");
  50         BT_LIB_LOGD("Creating message iterator inactivity message object: "
  51                 "%![iter-]+i, %![cc-]+K, value=%" PRIu64, msg_iter,
  52                 clock_class, value_cycles);
  53         message = g_new0(struct bt_message_message_iterator_inactivity, 1);
  54         if (!message) {
  55                 BT_LIB_LOGE_APPEND_CAUSE(
  56                         "Failed to allocate one message iterator "
  57                         "inactivity message.");
  58                 goto error;
  59         }
  60         bt_message_init(&message->parent,
  61                 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY,
  62                 bt_message_message_iterator_inactivity_destroy, NULL);
  63         ret_msg = &message->parent;
  64         message->cs = bt_clock_snapshot_create(
  65                 (void *) clock_class);
  66         if (!message->cs) {
  67                 goto error;
  68         }
  69         bt_clock_snapshot_set_raw_value(message->cs, value_cycles);
  70
  71         BT_LIB_LOGD("Created message iterator inactivity message object: %!+n",
  72                 ret_msg);
  73         goto end;
  74
  75 error:
  76         BT_OBJECT_PUT_REF_AND_RESET(ret_msg);
  77
  78 end:
  79         return (void *) ret_msg;
  80 }
  81
  82 extern const struct bt_clock_snapshot *
  83 bt_message_message_iterator_inactivity_borrow_clock_snapshot_const(
  84                 const bt_message *msg)
  85 {
  86         struct bt_message_message_iterator_inactivity *inactivity = (void *) msg;
  87
  88         BT_ASSERT_PRE_DEV_NON_NULL(msg, "Message");
  89         BT_ASSERT_PRE_DEV_MSG_IS_TYPE(msg,
  90                 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY);
  91         return inactivity->cs;
  92 }