Commit | Line | Data |
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273b65be | 1 | /* |
de9dd397 | 2 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
3 | * |
4 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | * SOFTWARE. | |
23 | */ | |
24 | ||
19abc2c6 PP |
25 | #define BT_LOG_TAG "STREAM" |
26 | #include <babeltrace/lib-logging-internal.h> | |
27 | ||
d975f66c | 28 | #include <babeltrace/assert-pre-internal.h> |
e5be10ef | 29 | #include <babeltrace/trace-ir/private-stream.h> |
56e18c4c PP |
30 | #include <babeltrace/trace-ir/stream.h> |
31 | #include <babeltrace/trace-ir/stream-internal.h> | |
32 | #include <babeltrace/trace-ir/stream-class.h> | |
33 | #include <babeltrace/trace-ir/stream-class-internal.h> | |
34 | #include <babeltrace/trace-ir/trace.h> | |
35 | #include <babeltrace/trace-ir/trace-internal.h> | |
36 | #include <babeltrace/trace-ir/packet-internal.h> | |
65300d60 | 37 | #include <babeltrace/object.h> |
3dca2276 PP |
38 | #include <babeltrace/compiler-internal.h> |
39 | #include <babeltrace/align-internal.h> | |
40 | #include <babeltrace/assert-internal.h> | |
44c440bc | 41 | #include <babeltrace/property-internal.h> |
3dca2276 PP |
42 | #include <inttypes.h> |
43 | #include <unistd.h> | |
12c8a1a3 | 44 | |
44c440bc PP |
45 | #define BT_ASSERT_PRE_STREAM_HOT(_stream) \ |
46 | BT_ASSERT_PRE_HOT((_stream), "Stream", ": %!+s", (_stream)) | |
263a7df5 | 47 | |
c9af50d1 | 48 | static |
44c440bc | 49 | void destroy_stream(struct bt_object *obj) |
c9af50d1 | 50 | { |
3dca2276 | 51 | struct bt_stream *stream = (void *) obj; |
c9af50d1 | 52 | |
44c440bc PP |
53 | BT_LIB_LOGD("Destroying stream object: %!+s", stream); |
54 | ||
55 | if (stream->name.str) { | |
56 | g_string_free(stream->name.str, TRUE); | |
238b7404 PP |
57 | stream->name.str = NULL; |
58 | stream->name.value = NULL; | |
44c440bc PP |
59 | } |
60 | ||
312c056a | 61 | bt_object_pool_finalize(&stream->packet_pool); |
3dca2276 | 62 | g_free(stream); |
c9af50d1 JG |
63 | } |
64 | ||
44c440bc PP |
65 | static |
66 | void bt_stream_free_packet(struct bt_packet *packet, struct bt_stream *stream) | |
273b65be | 67 | { |
44c440bc PP |
68 | bt_packet_destroy(packet); |
69 | } | |
19abc2c6 | 70 | |
44c440bc PP |
71 | BT_ASSERT_PRE_FUNC |
72 | static inline | |
73 | bool stream_id_is_unique(struct bt_trace *trace, | |
74 | struct bt_stream_class *stream_class, uint64_t id) | |
75 | { | |
76 | uint64_t i; | |
77 | bool is_unique = true; | |
273b65be | 78 | |
44c440bc PP |
79 | for (i = 0; i < trace->streams->len; i++) { |
80 | struct bt_stream *stream = trace->streams->pdata[i]; | |
273b65be | 81 | |
44c440bc PP |
82 | if (stream->class != stream_class) { |
83 | continue; | |
8bfa3f9c | 84 | } |
1c1d572f | 85 | |
44c440bc PP |
86 | if (stream->id == id) { |
87 | is_unique = false; | |
88 | goto end; | |
98edd02c | 89 | } |
273b65be JG |
90 | } |
91 | ||
3dca2276 | 92 | end: |
44c440bc | 93 | return is_unique; |
312c056a PP |
94 | } |
95 | ||
273b65be | 96 | static |
44c440bc PP |
97 | struct bt_stream *create_stream_with_id(struct bt_stream_class *stream_class, |
98 | uint64_t id) | |
273b65be | 99 | { |
3dca2276 | 100 | int ret; |
44c440bc PP |
101 | struct bt_stream *stream; |
102 | struct bt_trace *trace; | |
103 | ||
104 | BT_ASSERT(stream_class); | |
105 | trace = bt_stream_class_borrow_trace_inline(stream_class); | |
106 | BT_ASSERT_PRE(stream_id_is_unique(trace, stream_class, id), | |
107 | "Duplicate stream ID: %![trace-]+t, id=%" PRIu64, trace, id); | |
108 | BT_ASSERT_PRE(!trace->is_static, | |
109 | "Trace is static: %![trace-]+t", trace); | |
110 | BT_LIB_LOGD("Creating stream object: %![trace-]+t, id=%" PRIu64, | |
111 | trace, id); | |
3dca2276 PP |
112 | stream = g_new0(struct bt_stream, 1); |
113 | if (!stream) { | |
114 | BT_LOGE_STR("Failed to allocate one stream."); | |
115 | goto error; | |
12c8a1a3 | 116 | } |
b71d7298 | 117 | |
44c440bc PP |
118 | bt_object_init_shared_with_parent(&stream->base, destroy_stream); |
119 | stream->name.str = g_string_new(NULL); | |
120 | if (!stream->name.str) { | |
121 | BT_LOGE_STR("Failed to allocate a GString."); | |
3dca2276 | 122 | goto error; |
b71d7298 | 123 | } |
41ac640a | 124 | |
44c440bc | 125 | stream->id = id; |
312c056a PP |
126 | ret = bt_object_pool_initialize(&stream->packet_pool, |
127 | (bt_object_pool_new_object_func) bt_packet_new, | |
128 | (bt_object_pool_destroy_object_func) bt_stream_free_packet, | |
129 | stream); | |
130 | if (ret) { | |
131 | BT_LOGE("Failed to initialize packet pool: ret=%d", ret); | |
132 | goto error; | |
133 | } | |
134 | ||
44c440bc PP |
135 | stream->class = stream_class; |
136 | bt_trace_add_stream(trace, stream); | |
137 | bt_stream_class_freeze(stream_class); | |
138 | BT_LIB_LOGD("Created stream object: %!+s", stream); | |
3dca2276 | 139 | goto end; |
3230ee6b | 140 | |
3dca2276 | 141 | error: |
65300d60 | 142 | BT_OBJECT_PUT_REF_AND_RESET(stream); |
3dca2276 PP |
143 | |
144 | end: | |
145 | return stream; | |
273b65be JG |
146 | } |
147 | ||
e5be10ef PP |
148 | struct bt_private_stream *bt_private_stream_create( |
149 | struct bt_private_stream_class *priv_stream_class) | |
273b65be | 150 | { |
e5be10ef | 151 | struct bt_stream_class *stream_class = (void *) priv_stream_class; |
44c440bc PP |
152 | uint64_t id; |
153 | ||
154 | BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); | |
155 | BT_ASSERT_PRE(stream_class->assigns_automatic_stream_id, | |
156 | "Stream class does not automatically assigns stream IDs: " | |
157 | "%![sc-]+S", stream_class); | |
158 | id = bt_trace_get_automatic_stream_id( | |
159 | bt_stream_class_borrow_trace_inline(stream_class), | |
160 | stream_class); | |
e5be10ef | 161 | return (void *) create_stream_with_id(stream_class, id); |
44c440bc | 162 | } |
d7b1ea66 | 163 | |
e5be10ef PP |
164 | struct bt_private_stream *bt_private_stream_create_with_id( |
165 | struct bt_private_stream_class *priv_stream_class, | |
44c440bc PP |
166 | uint64_t id) |
167 | { | |
e5be10ef PP |
168 | struct bt_stream_class *stream_class = (void *) priv_stream_class; |
169 | ||
44c440bc PP |
170 | BT_ASSERT_PRE(!stream_class->assigns_automatic_stream_id, |
171 | "Stream class automatically assigns stream IDs: " | |
172 | "%![sc-]+S", stream_class); | |
e5be10ef | 173 | return (void *) create_stream_with_id(stream_class, id); |
273b65be | 174 | } |
b71d7298 | 175 | |
094ff7c0 | 176 | struct bt_stream_class *bt_stream_borrow_class(struct bt_stream *stream) |
af9296f3 | 177 | { |
44c440bc PP |
178 | BT_ASSERT_PRE_NON_NULL(stream, "Stream"); |
179 | return stream->class; | |
af9296f3 JG |
180 | } |
181 | ||
28e6ca8b | 182 | struct bt_private_stream_class *bt_private_stream_borrow_class( |
e5be10ef PP |
183 | struct bt_private_stream *priv_stream) |
184 | { | |
185 | return (void *) bt_stream_borrow_class((void *) priv_stream); | |
186 | } | |
187 | ||
50842bdc | 188 | const char *bt_stream_get_name(struct bt_stream *stream) |
b71d7298 | 189 | { |
44c440bc PP |
190 | BT_ASSERT_PRE_NON_NULL(stream, "Stream class"); |
191 | return stream->name.value; | |
b71d7298 | 192 | } |
98a4cbef | 193 | |
e5be10ef PP |
194 | int bt_private_stream_set_name(struct bt_private_stream *priv_stream, |
195 | const char *name) | |
98a4cbef | 196 | { |
e5be10ef PP |
197 | struct bt_stream *stream = (void *) priv_stream; |
198 | ||
44c440bc PP |
199 | BT_ASSERT_PRE_NON_NULL(stream, "Clock class"); |
200 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
201 | BT_ASSERT_PRE_STREAM_HOT(stream); | |
202 | g_string_assign(stream->name.str, name); | |
203 | stream->name.value = stream->name.str->str; | |
e5be10ef | 204 | BT_LIB_LOGV("Set stream class's name: %!+s", stream); |
44c440bc PP |
205 | return 0; |
206 | } | |
cb6f1f7d | 207 | |
44c440bc PP |
208 | uint64_t bt_stream_get_id(struct bt_stream *stream) |
209 | { | |
210 | BT_ASSERT_PRE_NON_NULL(stream, "Stream class"); | |
211 | return stream->id; | |
212 | } | |
cb6f1f7d | 213 | |
44c440bc PP |
214 | BT_HIDDEN |
215 | void _bt_stream_freeze(struct bt_stream *stream) | |
216 | { | |
5cd6d0e5 | 217 | /* The field classes and default clock class are already frozen */ |
44c440bc PP |
218 | BT_ASSERT(stream); |
219 | BT_LIB_LOGD("Freezing stream: %!+s", stream); | |
220 | stream->frozen = true; | |
98a4cbef | 221 | } |