#ifndef BABELTRACE_COMMON_INTERNAL_H
#define BABELTRACE_COMMON_INTERNAL_H
+/*
+ * Copyright (c) 2018 EfficiOS Inc. and Linux Foundation
+ * Copyright (c) 2018 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 <stdbool.h>
#include <babeltrace/assert-internal.h>
#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/trace-ir/field-classes.h>
-#include <babeltrace/trace-ir/field-path.h>
-#include <babeltrace/trace-ir/event-class.h>
-#include <babeltrace/values.h>
+#include <babeltrace/trace-ir/field-class-const.h>
+#include <babeltrace/trace-ir/field-path-const.h>
+#include <babeltrace/trace-ir/event-class-const.h>
+#include <babeltrace/graph/self-message-iterator.h>
+#include <babeltrace/value.h>
#include <stdarg.h>
#include <inttypes.h>
#include <stdint.h>
const char *bt_common_scope_string(enum bt_scope scope)
{
switch (scope) {
- case BT_SCOPE_PACKET_HEADER:
- return "BT_SCOPE_PACKET_HEADER";
case BT_SCOPE_PACKET_CONTEXT:
return "BT_SCOPE_PACKET_CONTEXT";
- case BT_SCOPE_EVENT_HEADER:
- return "BT_SCOPE_EVENT_HEADER";
case BT_SCOPE_EVENT_COMMON_CONTEXT:
return "BT_SCOPE_EVENT_COMMON_CONTEXT";
case BT_SCOPE_EVENT_SPECIFIC_CONTEXT:
};
static inline
-GString *bt_field_path_string(struct bt_field_path *path)
+GString *bt_common_field_path_string(struct bt_field_path *path)
{
GString *str = g_string_new(NULL);
uint64_t i;
return str;
}
+static inline
+const char *bt_common_self_message_iterator_status_string(
+ enum bt_self_message_iterator_status status)
+{
+ switch (status) {
+ case BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN:
+ return "BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN";
+ case BT_SELF_MESSAGE_ITERATOR_STATUS_END:
+ return "BT_SELF_MESSAGE_ITERATOR_STATUS_END";
+ case BT_SELF_MESSAGE_ITERATOR_STATUS_OK:
+ return "BT_SELF_MESSAGE_ITERATOR_STATUS_OK";
+ case BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR:
+ return "BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR";
+ case BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM:
+ return "BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM";
+ default:
+ return "(unknown)";
+ }
+};
+
+#define NS_PER_S_I INT64_C(1000000000)
+#define NS_PER_S_U UINT64_C(1000000000)
+
+static inline
+int bt_common_clock_value_from_ns_from_origin(
+ int64_t cc_offset_seconds, uint64_t cc_offset_cycles,
+ uint64_t cc_freq, int64_t ns_from_origin,
+ uint64_t *raw_value)
+{
+ int ret = 0;
+ int64_t offset_in_ns;
+ uint64_t value_in_ns;
+ uint64_t rem_value_in_ns;
+ uint64_t value_periods;
+ uint64_t value_period_cycles;
+ int64_t ns_to_add;
+
+ BT_ASSERT(raw_value);
+
+ /* Compute offset part of requested value, in nanoseconds */
+ if (!bt_safe_to_mul_int64(cc_offset_seconds, NS_PER_S_I)) {
+ ret = -1;
+ goto end;
+ }
+
+ offset_in_ns = cc_offset_seconds * NS_PER_S_I;
+
+ if (cc_freq == NS_PER_S_U) {
+ ns_to_add = (int64_t) cc_offset_cycles;
+ } else {
+ if (!bt_safe_to_mul_int64((int64_t) cc_offset_cycles,
+ NS_PER_S_I)) {
+ ret = -1;
+ goto end;
+ }
+
+ ns_to_add = ((int64_t) cc_offset_cycles * NS_PER_S_I) /
+ (int64_t) cc_freq;
+ }
+
+ if (!bt_safe_to_add_int64(offset_in_ns, ns_to_add)) {
+ ret = -1;
+ goto end;
+ }
+
+ offset_in_ns += ns_to_add;
+
+ /* Value part in nanoseconds */
+ if (ns_from_origin < offset_in_ns) {
+ ret = -1;
+ goto end;
+ }
+
+ value_in_ns = (uint64_t) (ns_from_origin - offset_in_ns);
+
+ /* Number of whole clock periods in `value_in_ns` */
+ value_periods = value_in_ns / NS_PER_S_U;
+
+ /* Remaining nanoseconds in cycles + whole clock periods in cycles */
+ rem_value_in_ns = value_in_ns - value_periods * NS_PER_S_U;
+
+ if (value_periods > UINT64_MAX / cc_freq) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!bt_safe_to_mul_uint64(value_periods, cc_freq)) {
+ ret = -1;
+ goto end;
+ }
+
+ value_period_cycles = value_periods * cc_freq;
+
+ if (!bt_safe_to_mul_uint64(cc_freq, rem_value_in_ns)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!bt_safe_to_add_uint64(cc_freq * rem_value_in_ns / NS_PER_S_U,
+ value_period_cycles)) {
+ ret = -1;
+ goto end;
+ }
+
+ *raw_value = cc_freq * rem_value_in_ns / NS_PER_S_U +
+ value_period_cycles;
+
+end:
+ return ret;
+}
+
+static inline
+enum bt_self_message_iterator_status bt_common_message_iterator_status_to_self(
+ enum bt_message_iterator_status status)
+{
+ return (int) status;
+}
#endif /* BABELTRACE_COMMON_INTERNAL_H */