Move to kernel style SPDX license identifiers
[babeltrace.git] / src / plugins / utils / muxer / muxer.c
index 0c08f8289a298091542117c1aa33f137d4e2e292..182dc84d66d25ef781bee781020900040150282e 100644 (file)
@@ -1,23 +1,7 @@
 /*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * SPDX-License-Identifier: MIT
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
  */
 
 #define BT_COMP_LOG_SELF_COMP (muxer_comp->self_comp)
@@ -56,7 +40,7 @@ struct muxer_upstream_msg_iter {
        struct muxer_comp *muxer_comp;
 
        /* Owned by this, NULL if ended */
-       bt_self_component_port_input_message_iterator *msg_iter;
+       bt_message_iterator *msg_iter;
 
        /* Contains `const bt_message *`, owned by this */
        GQueue *msgs;
@@ -143,7 +127,7 @@ void destroy_muxer_upstream_msg_iter(
                muxer_upstream_msg_iter,
                muxer_upstream_msg_iter->msg_iter,
                muxer_upstream_msg_iter->msgs->length);
-       bt_self_component_port_input_message_iterator_put_ref(
+       bt_message_iterator_put_ref(
                muxer_upstream_msg_iter->msg_iter);
 
        if (muxer_upstream_msg_iter->msgs) {
@@ -156,7 +140,7 @@ void destroy_muxer_upstream_msg_iter(
 
 static
 int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter *muxer_msg_iter,
-               bt_self_component_port_input_message_iterator *self_msg_iter)
+               bt_message_iterator *self_msg_iter)
 {
        int ret = 0;
        struct muxer_upstream_msg_iter *muxer_upstream_msg_iter =
@@ -170,7 +154,7 @@ int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter *muxer_msg_iter,
 
        muxer_upstream_msg_iter->muxer_comp = muxer_comp;
        muxer_upstream_msg_iter->msg_iter = self_msg_iter;
-       bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter);
+       bt_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter);
        muxer_upstream_msg_iter->msgs = g_queue_new();
        if (!muxer_upstream_msg_iter->msgs) {
                BT_COMP_LOGE_STR("Failed to allocate a GQueue.");
@@ -351,16 +335,16 @@ void muxer_finalize(bt_self_component_filter *self_comp)
 }
 
 static
-bt_self_component_port_input_message_iterator_create_from_message_iterator_status
+bt_message_iterator_create_from_message_iterator_status
 create_msg_iter_on_input_port(struct muxer_comp *muxer_comp,
                struct muxer_msg_iter *muxer_msg_iter,
                bt_self_component_port_input *self_port,
-               bt_self_component_port_input_message_iterator **msg_iter)
+               bt_message_iterator **msg_iter)
 {
        const bt_port *port = bt_self_component_port_as_port(
                bt_self_component_port_input_as_self_component_port(
                        self_port));
-       bt_self_component_port_input_message_iterator_create_from_message_iterator_status
+       bt_message_iterator_create_from_message_iterator_status
                status;
 
        BT_ASSERT(port);
@@ -369,9 +353,9 @@ create_msg_iter_on_input_port(struct muxer_comp *muxer_comp,
        // TODO: Advance the iterator to >= the time of the latest
        //       returned message by the muxer message
        //       iterator which creates it.
-       status = bt_self_component_port_input_message_iterator_create_from_message_iterator(
+       status = bt_message_iterator_create_from_message_iterator(
                muxer_msg_iter->self_msg_iter, self_port, msg_iter);
-       if (status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
+       if (status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
                BT_COMP_LOGE("Cannot create upstream message iterator on input port: "
                        "port-addr=%p, port-name=\"%s\"",
                        port, bt_port_get_name(port));
@@ -402,7 +386,7 @@ bt_message_iterator_class_next_method_status muxer_upstream_msg_iter_next(
                "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
                muxer_upstream_msg_iter,
                muxer_upstream_msg_iter->msg_iter);
-       input_port_iter_status = bt_self_component_port_input_message_iterator_next(
+       input_port_iter_status = bt_message_iterator_next(
                muxer_upstream_msg_iter->msg_iter, &msgs, &count);
        BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: "
                "status=%s",
@@ -580,7 +564,7 @@ int get_msg_ts_ns(struct muxer_comp *muxer_comp,
 
                break;
        case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
-               clock_snapshot = bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
+               clock_snapshot = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const(
                        msg);
                break;
        default:
@@ -852,7 +836,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
                                BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY)) {
                        const bt_clock_snapshot *cs;
 
-                       cs = bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
+                       cs = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const(
                                msg);
                        ret = validate_clock_class(muxer_msg_iter, muxer_comp,
                                bt_clock_snapshot_borrow_clock_class_const(cs));
@@ -1039,7 +1023,8 @@ bt_message_iterator_class_next_method_status muxer_msg_iter_do_next_one(
 {
        bt_message_iterator_class_next_method_status status;
        struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL;
-       int64_t next_return_ts;
+       /* Initialize to avoid -Wmaybe-uninitialized warning with gcc 4.8. */
+       int64_t next_return_ts = 0;
 
        status = validate_muxer_upstream_msg_iters(muxer_msg_iter);
        if (status != BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
@@ -1216,12 +1201,12 @@ muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
        }
 
        for (i = 0; i < count; i++) {
-               bt_self_component_port_input_message_iterator *upstream_msg_iter;
+               bt_message_iterator *upstream_msg_iter;
                bt_self_component_port_input *self_port =
                        bt_self_component_filter_borrow_input_port_by_index(
                                muxer_comp->self_comp_flt, i);
                const bt_port *port;
-               bt_self_component_port_input_message_iterator_create_from_message_iterator_status
+               bt_message_iterator_create_from_message_iterator_status
                        msg_iter_status;
                int int_status;
 
@@ -1238,7 +1223,7 @@ muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
 
                msg_iter_status = create_msg_iter_on_input_port(muxer_comp,
                        muxer_msg_iter, self_port, &upstream_msg_iter);
-               if (msg_iter_status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
+               if (msg_iter_status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
                        /* create_msg_iter_on_input_port() logs errors */
                        status = (int) msg_iter_status;
                        goto end;
@@ -1246,7 +1231,7 @@ muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
 
                int_status = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter,
                        upstream_msg_iter);
-               bt_self_component_port_input_message_iterator_put_ref(
+               bt_message_iterator_put_ref(
                        upstream_msg_iter);
                if (int_status) {
                        status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
@@ -1255,7 +1240,7 @@ muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
                }
 
                can_seek_forward = can_seek_forward &&
-                       bt_self_component_port_input_message_iterator_can_seek_forward(
+                       bt_message_iterator_can_seek_forward(
                                upstream_msg_iter);
        }
 
@@ -1276,12 +1261,13 @@ BT_HIDDEN
 bt_message_iterator_class_initialize_method_status muxer_msg_iter_init(
                bt_self_message_iterator *self_msg_iter,
                bt_self_message_iterator_configuration *config,
-               bt_self_component *self_comp,
                bt_self_component_port_output *port)
 {
        struct muxer_comp *muxer_comp = NULL;
        struct muxer_msg_iter *muxer_msg_iter = NULL;
        bt_message_iterator_class_initialize_method_status status;
+       bt_self_component *self_comp =
+               bt_self_message_iterator_borrow_component(self_msg_iter);
 
        muxer_comp = bt_self_component_get_data(self_comp);
        BT_ASSERT(muxer_comp);
@@ -1464,7 +1450,7 @@ muxer_upstream_msg_iters_can_all_seek_beginning(
        for (i = 0; i < muxer_upstream_msg_iters->len; i++) {
                struct muxer_upstream_msg_iter *upstream_msg_iter =
                        muxer_upstream_msg_iters->pdata[i];
-               status = (int) bt_self_component_port_input_message_iterator_can_seek_beginning(
+               status = (int) bt_message_iterator_can_seek_beginning(
                        upstream_msg_iter->msg_iter, can_seek);
                if (status != BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) {
                        goto end;
@@ -1524,7 +1510,7 @@ bt_message_iterator_class_seek_beginning_method_status muxer_msg_iter_seek_begin
                struct muxer_upstream_msg_iter *upstream_msg_iter =
                        muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i];
 
-               seek_beg_status = bt_self_component_port_input_message_iterator_seek_beginning(
+               seek_beg_status = bt_message_iterator_seek_beginning(
                        upstream_msg_iter->msg_iter);
                if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) {
                        status = (int) seek_beg_status;
@@ -1540,7 +1526,7 @@ bt_message_iterator_class_seek_beginning_method_status muxer_msg_iter_seek_begin
                struct muxer_upstream_msg_iter *upstream_msg_iter =
                        muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i];
 
-               seek_beg_status = bt_self_component_port_input_message_iterator_seek_beginning(
+               seek_beg_status = bt_message_iterator_seek_beginning(
                        upstream_msg_iter->msg_iter);
                if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) {
                        status = (int) seek_beg_status;
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