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
);
37 struct bt_port
*bt_port_create(struct bt_component
*parent_component
,
38 enum bt_port_type type
, const char *name
, void *user_data
)
40 struct bt_port
*port
= NULL
;
43 BT_ASSERT(parent_component
);
44 BT_ASSERT(type
== BT_PORT_TYPE_INPUT
|| type
== BT_PORT_TYPE_OUTPUT
);
45 BT_ASSERT(strlen(name
) > 0);
46 port
= g_new0(struct bt_port
, 1);
48 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one port.");
52 BT_LIB_LOGI("Creating port for component: %![comp-]+c, port-type=%s, "
53 "port-name=\"%s\"", parent_component
, bt_port_type_string(type
),
55 bt_object_init_shared_with_parent(&port
->base
, destroy_port
);
56 port
->name
= g_string_new(name
);
58 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString.");
59 BT_OBJECT_PUT_REF_AND_RESET(port
);
64 port
->user_data
= user_data
;
65 bt_object_set_parent(&port
->base
, &parent_component
->base
);
66 BT_LIB_LOGI("Created port for component: "
67 "%![comp-]+c, %![port-]+p", parent_component
, port
);
74 const char *bt_port_get_name(const struct bt_port
*port
)
76 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
77 return port
->name
->str
;
81 enum bt_port_type
bt_port_get_type(const struct bt_port
*port
)
83 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
88 const struct bt_connection
*bt_port_borrow_connection_const(
89 const struct bt_port
*port
)
91 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
92 return port
->connection
;
96 const struct bt_component
*bt_port_borrow_component_const(
97 const struct bt_port
*port
)
99 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
100 return bt_port_borrow_component_inline(port
);
104 struct bt_self_component
*bt_self_component_port_borrow_component(
105 struct bt_self_component_port
*port
)
107 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
108 return (void *) bt_object_borrow_parent((void *) port
);
111 void bt_port_set_connection(struct bt_port
*port
,
112 struct bt_connection
*connection
)
115 * Don't take a reference on connection as its existence is
116 * guaranteed by the existence of the graph in which the
119 port
->connection
= connection
;
120 BT_LIB_LOGI("Set port's connection: %![port-]+p, %![conn-]+x", port
,
125 bt_bool
bt_port_is_connected(const struct bt_port
*port
)
127 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
128 return port
->connection
? BT_TRUE
: BT_FALSE
;
132 void *bt_self_component_port_get_data(const struct bt_self_component_port
*port
)
134 BT_ASSERT_PRE_DEV_PORT_NON_NULL(port
);
135 return ((struct bt_port
*) port
)->user_data
;
139 void bt_port_get_ref(const struct bt_port
*port
)
141 bt_object_get_ref(port
);
145 void bt_port_put_ref(const struct bt_port
*port
)
147 bt_object_put_ref(port
);
151 void bt_port_input_get_ref(const struct bt_port_input
*port_input
)
153 bt_object_get_ref(port_input
);
157 void bt_port_input_put_ref(const struct bt_port_input
*port_input
)
159 bt_object_put_ref(port_input
);
163 void bt_port_output_get_ref(const struct bt_port_output
*port_output
)
165 bt_object_get_ref(port_output
);
169 void bt_port_output_put_ref(const struct bt_port_output
*port_output
)
171 bt_object_put_ref(port_output
);
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