Re-organize sources

[babeltrace.git] / src / plugins / utils / dummy / dummy.c

diff --git a/src/plugins/utils/dummy/dummy.c b/src/plugins/utils/dummy/dummy.c
new file mode 100644 (file)
index 0000000..5da07ea
--- /dev/null
+++ b/src/plugins/utils/dummy/dummy.c
@@ -0,0 +1,158 @@
+/*
+ * 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.
+ *
+ * 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.
+ */
+
+#include <babeltrace2/babeltrace.h>
+#include "common/babeltrace.h"
+#include "plugins/plugins-common.h"
+#include "common/assert.h"
+#include "dummy.h"
+
+static
+const char * const in_port_name = "in";
+
+void destroy_private_dummy_data(struct dummy *dummy)
+{
+       bt_self_component_port_input_message_iterator_put_ref(dummy->msg_iter);
+       g_free(dummy);
+
+}
+
+BT_HIDDEN
+void dummy_finalize(bt_self_component_sink *comp)
+{
+       struct dummy *dummy;
+
+       BT_ASSERT(comp);
+       dummy = bt_self_component_get_data(
+                       bt_self_component_sink_as_self_component(comp));
+       BT_ASSERT(dummy);
+       destroy_private_dummy_data(dummy);
+}
+
+BT_HIDDEN
+bt_self_component_status dummy_init(
+               bt_self_component_sink *component,
+               const bt_value *params,
+               UNUSED_VAR void *init_method_data)
+{
+       bt_self_component_status ret;
+       struct dummy *dummy = g_new0(struct dummy, 1);
+
+       if (!dummy) {
+               ret = BT_SELF_COMPONENT_STATUS_NOMEM;
+               goto end;
+       }
+
+       ret = bt_self_component_sink_add_input_port(component,
+               "in", NULL, NULL);
+       if (ret != BT_SELF_COMPONENT_STATUS_OK) {
+               goto error;
+       }
+
+       bt_self_component_set_data(
+               bt_self_component_sink_as_self_component(component), dummy);
+       goto end;
+
+error:
+       destroy_private_dummy_data(dummy);
+
+end:
+       return ret;
+}
+
+BT_HIDDEN
+bt_self_component_status dummy_graph_is_configured(
+               bt_self_component_sink *comp)
+{
+       bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
+       struct dummy *dummy;
+       bt_self_component_port_input_message_iterator *iterator;
+
+       dummy = bt_self_component_get_data(
+               bt_self_component_sink_as_self_component(comp));
+       BT_ASSERT(dummy);
+       iterator = bt_self_component_port_input_message_iterator_create(
+               bt_self_component_sink_borrow_input_port_by_name(comp,
+                       in_port_name));
+       if (!iterator) {
+               status = BT_SELF_COMPONENT_STATUS_NOMEM;
+               goto end;
+       }
+
+       BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
+               dummy->msg_iter, iterator);
+
+end:
+       return status;
+}
+
+BT_HIDDEN
+bt_self_component_status dummy_consume(
+               bt_self_component_sink *component)
+{
+       bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK;
+       bt_message_array_const msgs;
+       uint64_t count;
+       struct dummy *dummy;
+       bt_message_iterator_status it_ret;
+       uint64_t i;
+
+       dummy = bt_self_component_get_data(
+               bt_self_component_sink_as_self_component(component));
+       BT_ASSERT(dummy);
+
+       if (unlikely(!dummy->msg_iter)) {
+               ret = BT_SELF_COMPONENT_STATUS_END;
+               goto end;
+       }
+
+       /* Consume one message  */
+       it_ret = bt_self_component_port_input_message_iterator_next(
+               dummy->msg_iter, &msgs, &count);
+       switch (it_ret) {
+       case BT_MESSAGE_ITERATOR_STATUS_OK:
+               ret = BT_SELF_COMPONENT_STATUS_OK;
+
+               for (i = 0; i < count; i++) {
+                       bt_message_put_ref(msgs[i]);
+               }
+
+               break;
+       case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
+               ret = BT_SELF_COMPONENT_STATUS_AGAIN;
+               goto end;
+       case BT_MESSAGE_ITERATOR_STATUS_END:
+               ret = BT_SELF_COMPONENT_STATUS_END;
+               goto end;
+       case BT_MESSAGE_ITERATOR_STATUS_ERROR:
+               ret = BT_SELF_COMPONENT_STATUS_ERROR;
+               goto end;
+       case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
+               ret = BT_SELF_COMPONENT_STATUS_NOMEM;
+               goto end;
+       default:
+               break;
+       }
+
+end:
+       return ret;
+}