2 * SPDX-License-Identifier: MIT
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #define BT_LOG_TAG "LIB/PORT"
9 #include "lib/logging.h"
11 #include "common/assert.h"
12 #include "lib/assert-cond.h"
13 #include <babeltrace2/graph/port.h>
14 #include <babeltrace2/graph/self-component-port.h>
15 #include "lib/object.h"
16 #include "compat/compiler.h"
18 #include "component.h"
19 #include "connection.h"
23 void destroy_port(struct bt_object
*obj
)
25 struct bt_port
*port
= (void *) obj
;
27 BT_LIB_LOGI("Destroying port: %!+p", port
);
30 g_string_free(port
->name
, TRUE
);
38 struct bt_port
*bt_port_create(struct bt_component
*parent_component
,
39 enum bt_port_type type
, const char *name
, void *user_data
)
41 struct bt_port
*port
= NULL
;
44 BT_ASSERT(parent_component
);
45 BT_ASSERT(type
== BT_PORT_TYPE_INPUT
|| type
== BT_PORT_TYPE_OUTPUT
);
46 BT_ASSERT(strlen(name
) > 0);
47 port
= g_new0(struct bt_port
, 1);
49 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one port.");
53 BT_LIB_LOGI("Creating port for component: %![comp-]+c, port-type=%s, "
54 "port-name=\"%s\"", parent_component
, bt_port_type_string(type
),
56 bt_object_init_shared_with_parent(&port
->base
, destroy_port
);
57 port
->name
= g_string_new(name
);
59 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString.");
60 BT_OBJECT_PUT_REF_AND_RESET(port
);
65 port
->user_data
= user_data
;
66 bt_object_set_parent(&port
->base
, &parent_component
->base
);
67 BT_LIB_LOGI("Created port for component: "
68 "%![comp-]+c, %![port-]+p", parent_component
, port
);
74 const char *bt_port_get_name(const struct bt_port
*port
)
76 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
77 return port
->name
->str
;
80 enum bt_port_type
bt_port_get_type(const struct bt_port
*port
)
82 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
86 const struct bt_connection
*bt_port_borrow_connection_const(
87 const struct bt_port
*port
)
89 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
90 return port
->connection
;
93 const struct bt_component
*bt_port_borrow_component_const(
94 const struct bt_port
*port
)
96 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
97 return bt_port_borrow_component_inline(port
);
100 struct bt_self_component
*bt_self_component_port_borrow_component(
101 struct bt_self_component_port
*port
)
103 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
104 return (void *) bt_object_borrow_parent((void *) port
);
108 void bt_port_set_connection(struct bt_port
*port
,
109 struct bt_connection
*connection
)
112 * Don't take a reference on connection as its existence is
113 * guaranteed by the existence of the graph in which the
116 port
->connection
= connection
;
117 BT_LIB_LOGI("Set port's connection: %![port-]+p, %![conn-]+x", port
,
121 bt_bool
bt_port_is_connected(const struct bt_port
*port
)
123 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
124 return port
->connection
? BT_TRUE
: BT_FALSE
;
127 void *bt_self_component_port_get_data(const struct bt_self_component_port
*port
)
129 BT_ASSERT_PRE_DEV_NON_NULL(port
, "Port");
130 return ((struct bt_port
*) port
)->user_data
;
133 void bt_port_get_ref(const struct bt_port
*port
)
135 bt_object_get_ref(port
);
138 void bt_port_put_ref(const struct bt_port
*port
)
140 bt_object_put_ref(port
);
143 void bt_port_input_get_ref(const struct bt_port_input
*port_input
)
145 bt_object_get_ref(port_input
);
148 void bt_port_input_put_ref(const struct bt_port_input
*port_input
)
150 bt_object_put_ref(port_input
);
153 void bt_port_output_get_ref(const struct bt_port_output
*port_output
)
155 bt_object_get_ref(port_output
);
158 void bt_port_output_put_ref(const struct bt_port_output
*port_output
)
160 bt_object_put_ref(port_output
);
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