Finish fixing system tests

Author: estringana

ext/distributed_tracing_headers.c

@@ -493,7 +493,7 @@ void ddtrace_apply_distributed_tracing_result(ddtrace_distributed_tracing_result
     result->meta_tags.pDestructor = NULL; // we moved values directly
     zend_hash_destroy(&result->meta_tags);
 
-    if (result->priority_sampling != DDTRACE_PRIORITY_SAMPLING_UNKNOWN && !get_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED()) {
+    if (result->priority_sampling != DDTRACE_PRIORITY_SAMPLING_UNKNOWN) {
         bool reset_decision_maker = result->conflicting_sampling_priority || !zend_hash_str_exists(root_meta, ZEND_STRL("_dd.p.dm"));
         if (reset_decision_maker) {
             if (result->priority_sampling > 0) {

ext/handlers_http.h

@@ -138,6 +138,37 @@ static inline void ddtrace_inject_distributed_headers_config(zend_array *array,
     ddtrace_trace_id trace_id = ddtrace_peek_trace_id();
     uint64_t span_id = ddtrace_peek_span_id();
 
+    zval tags;
+    array_init(&tags);
+    ddtrace_get_propagated_tags(Z_ARR(tags));
+    zval *ddtrace_has_appsec_propagation_tag = zend_hash_str_find(Z_ARR(tags), ZEND_STRL("_dd.p.appsec"));
+
+    zend_array *root_meta = &DDTRACE_G(root_span_tags_preset);
+    ddtrace_root_span_data *root_span = DDTRACE_G(active_stack)->root_span;
+    if (root_span) {
+        root_meta = ddtrace_property_array(&root_span->property_meta);
+    }
+    zval *ddtrace_has_asm_avent = zend_hash_str_find(root_meta, ZEND_STRL("_dd.p.appsec"));
+
+    if (get_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED() && ddtrace_has_asm_avent == NULL) {
+        if (ddtrace_has_appsec_propagation_tag != NULL) {
+            if (send_datadog) {
+                ADD_HEADER("x-datadog-sampling-priority", ZEND_LONG_FMT, sampling_priority);
+            }
+            if (trace_id.low || trace_id.high) {
+                if (send_datadog) {
+                    ADD_HEADER("x-datadog-trace-id", "%" PRIu64, trace_id.low);
+                }
+                if (span_id) {
+                    if (send_datadog) {
+                        ADD_HEADER("x-datadog-parent-id", "%" PRIu64, span_id);
+                    }
+                }
+            }
+        }
+        return;
+    }
+
     if (sampling_priority != DDTRACE_PRIORITY_SAMPLING_UNKNOWN) {
         if (send_datadog) {
             ADD_HEADER("x-datadog-sampling-priority", ZEND_LONG_FMT, sampling_priority);

ext/random.c

@@ -118,16 +118,6 @@ ddtrace_trace_id ddtrace_peek_trace_id(void) {
     return pspan ? SPANDATA(pspan)->root->trace_id : DDTRACE_G(distributed_trace_id);
 }
 
-bool ddtrace_has_asm_avent(void) {
-    ddtrace_span_properties *pspan = DDTRACE_G(active_stack) ? DDTRACE_G(active_stack)->active : NULL;
-    if(!pspan) {
-        return false;
-    }
-    zend_array *meta = ddtrace_property_array(&pspan->property_meta);
-
-    return zend_hash_str_exists(meta, ZEND_STRL("_dd.p.appsec"));
-}
-
 int ddtrace_conv10_trace_id(ddtrace_trace_id id, uint8_t reverse[DD_TRACE_MAX_ID_LEN]) {
     reverse[0] = 0;
     int i = 0;

ext/serializer.c

@@ -1691,11 +1691,11 @@ void ddtrace_serialize_span_to_array(ddtrace_span_data *span, zval *array) {
         zend_hash_str_del(meta, ZEND_STRL("operation.name"));
     }
 
-//    zval *asm_event = NULL;
-//    if (get_global_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED()) {
-//        asm_event = zend_hash_str_find(meta, ZEND_STRL("_dd.p.appsec"));
-//    }
-//    bool is_standalone_appsec_span = asm_event ? Z_TYPE_P(asm_event) == IS_STRING && strncmp(Z_STRVAL_P(asm_event), "1", sizeof("1") - 1) == 0 : 0;
+    zval *asm_event = NULL;
+    if (get_global_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED()) {
+        asm_event = zend_hash_str_find(meta, ZEND_STRL("_dd.p.appsec"));
+    }
+    bool is_standalone_appsec_span = asm_event ? Z_TYPE_P(asm_event) == IS_STRING && strncmp(Z_STRVAL_P(asm_event), "1", sizeof("1") - 1) == 0 : 0;
 
     _serialize_meta(el, span, Z_TYPE_P(prop_service) > IS_NULL ? Z_STR(prop_service_as_string) : ZSTR_EMPTY_ALLOC());
 
@@ -1711,7 +1711,11 @@ void ddtrace_serialize_span_to_array(ddtrace_span_data *span, zval *array) {
 
     if (is_root_span) {
         if (Z_TYPE_P(&span->root->property_sampling_priority) != IS_UNDEF) {
-            add_assoc_double(&metrics_zv, "_sampling_priority_v1", zval_get_long(&span->root->property_sampling_priority));
+            long sampling_priority = zval_get_long(&span->root->property_sampling_priority);
+            if (get_global_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED() && !is_standalone_appsec_span) {
+                sampling_priority = MIN(PRIORITY_SAMPLING_AUTO_KEEP, sampling_priority);
+            }
+            add_assoc_double(&metrics_zv, "_sampling_priority_v1", sampling_priority);
         }
         if(get_global_DD_EXPERIMENTAL_APPSEC_STANDALONE_ENABLED()) {
             add_assoc_long(&metrics_zv, "_dd.apm.enabled", 0);