src/plugins/ctf/common: restructure subtree

[babeltrace.git] / src / plugins / ctf / common / src / metadata / tsdl / ctf-meta-update-default-clock-classes.cpp

diff --git a/src/plugins/ctf/common/src/metadata/tsdl/ctf-meta-update-default-clock-classes.cpp b/src/plugins/ctf/common/src/metadata/tsdl/ctf-meta-update-default-clock-classes.cpp
new file mode 100644 (file)
index 0000000..ab10dd4
--- /dev/null
+++ b/src/plugins/ctf/common/src/metadata/tsdl/ctf-meta-update-default-clock-classes.cpp
@@ -0,0 +1,180 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
+ */
+
+#include <inttypes.h>
+#include <string.h>
+
+#define BT_COMP_LOG_SELF_COMP       (log_cfg->self_comp)
+#define BT_COMP_LOG_SELF_COMP_CLASS (log_cfg->self_comp_class)
+#define BT_LOG_OUTPUT_LEVEL         (log_cfg->log_level)
+#define BT_LOG_TAG                  "PLUGIN/CTF/META/UPDATE-DEF-CC"
+#include "logging.hpp"
+
+#include "ctf-meta-visitors.hpp"
+
+static inline int find_mapped_clock_class(struct ctf_field_class *fc,
+                                          struct ctf_clock_class **clock_class,
+                                          struct meta_log_config *log_cfg)
+{
+    int ret = 0;
+    uint64_t i;
+
+    if (!fc) {
+        goto end;
+    }
+
+    switch (fc->type) {
+    case CTF_FIELD_CLASS_TYPE_INT:
+    case CTF_FIELD_CLASS_TYPE_ENUM:
+    {
+        struct ctf_field_class_int *int_fc = ctf_field_class_as_int(fc);
+
+        if (int_fc->mapped_clock_class) {
+            if (*clock_class && *clock_class != int_fc->mapped_clock_class) {
+                _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Stream class contains more than one "
+                                                         "clock class: expected-cc-name=\"%s\", "
+                                                         "other-cc-name=\"%s\"",
+                                                         (*clock_class)->name->str,
+                                                         int_fc->mapped_clock_class->name->str);
+                ret = -1;
+                goto end;
+            }
+
+            *clock_class = int_fc->mapped_clock_class;
+        }
+
+        break;
+    }
+    case CTF_FIELD_CLASS_TYPE_STRUCT:
+    {
+        struct ctf_field_class_struct *struct_fc = ctf_field_class_as_struct(fc);
+
+        for (i = 0; i < struct_fc->members->len; i++) {
+            struct ctf_named_field_class *named_fc =
+                ctf_field_class_struct_borrow_member_by_index(struct_fc, i);
+
+            ret = find_mapped_clock_class(named_fc->fc, clock_class, log_cfg);
+            if (ret) {
+                goto end;
+            }
+        }
+
+        break;
+    }
+    case CTF_FIELD_CLASS_TYPE_VARIANT:
+    {
+        struct ctf_field_class_variant *var_fc = ctf_field_class_as_variant(fc);
+
+        for (i = 0; i < var_fc->options->len; i++) {
+            struct ctf_named_field_class *named_fc =
+                ctf_field_class_variant_borrow_option_by_index(var_fc, i);
+
+            ret = find_mapped_clock_class(named_fc->fc, clock_class, log_cfg);
+            if (ret) {
+                goto end;
+            }
+        }
+
+        break;
+    }
+    case CTF_FIELD_CLASS_TYPE_ARRAY:
+    case CTF_FIELD_CLASS_TYPE_SEQUENCE:
+    {
+        struct ctf_field_class_array_base *array_fc = ctf_field_class_as_array_base(fc);
+
+        ret = find_mapped_clock_class(array_fc->elem_fc, clock_class, log_cfg);
+        if (ret) {
+            goto end;
+        }
+
+        break;
+    }
+    default:
+        break;
+    }
+
+end:
+    return ret;
+}
+
+static inline int update_stream_class_default_clock_class(struct ctf_stream_class *stream_class,
+                                                          struct meta_log_config *log_cfg)
+{
+    int ret = 0;
+    struct ctf_clock_class *clock_class = stream_class->default_clock_class;
+    uint64_t i;
+
+    ret = find_mapped_clock_class(stream_class->packet_context_fc, &clock_class, log_cfg);
+    if (ret) {
+        goto end;
+    }
+
+    ret = find_mapped_clock_class(stream_class->event_header_fc, &clock_class, log_cfg);
+    if (ret) {
+        goto end;
+    }
+
+    ret = find_mapped_clock_class(stream_class->event_common_context_fc, &clock_class, log_cfg);
+    if (ret) {
+        goto end;
+    }
+
+    for (i = 0; i < stream_class->event_classes->len; i++) {
+        struct ctf_event_class *event_class =
+            (ctf_event_class *) stream_class->event_classes->pdata[i];
+
+        ret = find_mapped_clock_class(event_class->spec_context_fc, &clock_class, log_cfg);
+        if (ret) {
+            goto end;
+        }
+
+        ret = find_mapped_clock_class(event_class->payload_fc, &clock_class, log_cfg);
+        if (ret) {
+            goto end;
+        }
+    }
+
+    if (!stream_class->default_clock_class) {
+        stream_class->default_clock_class = clock_class;
+    }
+
+end:
+    return ret;
+}
+
+int ctf_trace_class_update_default_clock_classes(struct ctf_trace_class *ctf_tc,
+                                                 struct meta_log_config *log_cfg)
+{
+    uint64_t i;
+    int ret = 0;
+    struct ctf_clock_class *clock_class = NULL;
+
+    ret = find_mapped_clock_class(ctf_tc->packet_header_fc, &clock_class, log_cfg);
+    if (ret) {
+        goto end;
+    }
+
+    if (clock_class) {
+        ret = -1;
+        goto end;
+    }
+
+    for (i = 0; i < ctf_tc->stream_classes->len; i++) {
+        struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];
+
+        ret = update_stream_class_default_clock_class(
+            (ctf_stream_class *) ctf_tc->stream_classes->pdata[i], log_cfg);
+        if (ret) {
+            _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Stream class contains more than one "
+                                                     "clock class: stream-class-id=%" PRIu64,
+                                                     sc->id);
+            goto end;
+        }
+    }
+
+end:
+    return ret;
+}