DataDog · leoromanovsky · Aug 11, 2026
@@ -41,8 +41,16 @@ inherits = "release"
 # #2253 consolidated `anyhow`, `serde`, `tokio` and `tracing` to the workspace
 # level, so they are mirrored here too.
 [workspace.dependencies]
+allocator-api2 = { version = "0.2.21", default-features = false }
 anyhow = { version = "1.0", default-features = false }
 arc-swap = "1.7.1"
+bolero = { version = "0.13.4", default-features = false }
+chrono = { version = "0.4.38", default-features = false }
+clap = { version = "4.3.21", default-features = false }
+criterion = { version = "0.5.1", default-features = true }
+cxx-build = { version = "1.0", default-features = false }
+elf = { version = "0.7", default-features = false }
+futures = { version = "0.3", default-features = false }
 hyper = { version = "1.6", features = [
   "http1",
   "client",
@@ -52,12 +60,20 @@ hyper-util = { version = "0.1.10", features = [
   "client",
   "client-legacy",
 ] }
+io-lifetimes = { version = "1.0", default-features = false }
+libc = { version = "0.2", default-features = true }
 prost-build = { version = "0.14.1", default-features = false }
 protoc-bin-vendored = { version = "3.0.0", default-features = false }
+rustls = { version = "0.23", default-features = false }
 serde = { version = "1.0", default-features = false }
 serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
+syn = { version = "^2", default-features = false }
+tempfile = { version = "3.13", default-features = false, features = [
+  "getrandom",
+] }
 tokio = { version = "1.36", default-features = false }
 tracing = { version = "0.1", default-features = false }
+uuid = { version = "1.7.0", default-features = false }
 
 [workspace.lints]
 # empty for compat with libdatadog
@@ -48,7 +48,7 @@ RUN_TESTS_CMD := DD_SERVICE= DD_ENV= REPORT_EXIT_STATUS=1 TEST_PHP_SRCDIR=$(PROJ
 
 C_FILES = $(shell find components components-rs ext src/dogstatsd tracer zend_abstract_interface -name '*.c' -o -name '*.h' | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' )
 TEST_FILES = $(shell find tests/ext -name '*.php*' -o -name '*.inc' -o -name '*.json' -o -name '*.yaml' -o -name 'CONFLICTS' | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' )
-RUST_FILES = $(BUILD_DIR)/Cargo.toml $(BUILD_DIR)/Cargo.lock $(shell find components-rs -name '*.c' -o -name '*.rs' -o -name 'Cargo.toml' | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' ) $(shell find libdatadog/{build-common,datadog-ffe,datadog-ipc,datadog-ipc-macros,datadog-live-debugger,datadog-live-debugger-ffi,libdd-remote-config,datadog-sidecar,datadog-sidecar-ffi,datadog-sidecar-macros,libdd-alloc,libdd-capabilities,libdd-capabilities-impl,libdd-common,libdd-common-ffi,libdd-crashtracker,libdd-crashtracker-ffi,libdd-data-pipeline,libdd-ddsketch,libdd-dogstatsd-client,libdd-library-config,libdd-library-config-ffi,libdd-log,libdd-shared-runtime,libdd-telemetry,libdd-telemetry-ffi,libdd-tinybytes,libdd-trace-*,spawn_worker,tools/{cc_utils,sidecar_mockgen},libdd-trace-*,Cargo.toml} \( -type l -o -type f \) \( -path "*/src*" -o -path "*/examples*" -o -path "*Cargo.toml" -o -path "*/build.rs" -o -path "*/tests/dataservice.rs" -o -path "*/tests/service_functional.rs" \) -not -path "*/datadog-ipc/build.rs" -not -path "*/datadog-sidecar-ffi/build.rs")
+RUST_FILES = $(BUILD_DIR)/Cargo.toml $(BUILD_DIR)/Cargo.lock $(shell find components-rs -name '*.c' -o -name '*.rs' -o -name 'Cargo.toml' | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' ) $(shell find libdatadog/{build-common,libdd-ffe,datadog-ipc,datadog-ipc-macros,datadog-live-debugger,datadog-live-debugger-ffi,libdd-remote-config,datadog-sidecar,datadog-sidecar-ffi,datadog-sidecar-macros,libdd-alloc,libdd-capabilities,libdd-capabilities-impl,libdd-common,libdd-common-ffi,libdd-crashtracker,libdd-crashtracker-ffi,libdd-data-pipeline,libdd-ddsketch,libdd-dogstatsd-client,libdd-library-config,libdd-library-config-ffi,libdd-log,libdd-shared-runtime,libdd-telemetry,libdd-telemetry-ffi,libdd-tinybytes,libdd-trace-*,spawn_worker,tools/{cc_utils,sidecar_mockgen},libdd-trace-*,Cargo.toml} \( -type l -o -type f \) \( -path "*/src*" -o -path "*/examples*" -o -path "*Cargo.toml" -o -path "*/build.rs" -o -path "*/tests/dataservice.rs" -o -path "*/tests/service_functional.rs" \) -not -path "*/datadog-ipc/build.rs" -not -path "*/datadog-sidecar-ffi/build.rs")
 ALL_OBJECT_FILES = $(C_FILES) $(RUST_FILES) $(BUILD_DIR)/Makefile
 TEST_OPCACHE_FILES = $(shell find tests/opcache -name '*.php*' -o -name '.gitkeep' | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' )
 TEST_STUB_FILES = $(shell find tests/ext -type d -name 'stubs' -exec find '{}' -type f \; | awk '{ printf "$(BUILD_DIR)/%s\n", $$1 }' )

@@ -15,7 +15,7 @@ libdd-telemetry-ffi = { path = "../libdatadog/libdd-telemetry-ffi", default-feat
 datadog-live-debugger = { path = "../libdatadog/datadog-live-debugger" }
 datadog-live-debugger-ffi = { path = "../libdatadog/datadog-live-debugger-ffi", default-features = false }
 datadog-ipc = { path = "../libdatadog/datadog-ipc" }
-datadog-ffe = { path = "../libdatadog/datadog-ffe" }
+datadog-ffe = { package = "libdd-ffe", path = "../libdatadog/libdd-ffe" }
 libdd-remote-config = { path = "../libdatadog/libdd-remote-config" }
 datadog-sidecar = { path = "../libdatadog/datadog-sidecar" }
 datadog-sidecar-ffi = { path = "../libdatadog/datadog-sidecar-ffi" }

@@ -164,12 +164,12 @@ pub unsafe extern "C" fn ddog_init_remote_config(flags: RemoteConfigFlags) {
     }
 
     if live_debugging_enabled {
-        DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::LiveDebugger)
+        DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::LiveDebugging)
     }
 
     if appsec_config {
         DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::AsmData);
-        DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::AsmDD);
+        DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::AsmDd);
         DATADOG_REMOTE_CONFIG_PRODUCTS.push(RemoteConfigProduct::Asm);
         [
             RemoteConfigCapabilities::AsmIpBlocking,
@@ -390,7 +390,7 @@ pub extern "C" fn ddog_process_remote_configs(remote_config: &mut RemoteConfigSt
             } => {
                 if let Some(data) = value.data {
                     match value.product {
-                        RemoteConfigProduct::LiveDebugger => {
+                        RemoteConfigProduct::LiveDebugging => {
                             let val = Box::new((data, MaybeShmLimiter::open(limiter_index)));
                             let rc_ref: &mut RemoteConfigState = unsafe { mem::transmute(remote_config as *mut _) }; // sigh, borrow checker
                             let config_id = value.config_id.clone();
@@ -439,7 +439,7 @@ pub extern "C" fn ddog_process_remote_configs(remote_config: &mut RemoteConfigSt
                 }
             }
             RemoteConfigUpdate::Remove(path) => match path.product {
-                RemoteConfigProduct::LiveDebugger => {
+                RemoteConfigProduct::LiveDebugging => {
                     if let Some(boxed) = remote_config.live_debugger.active.remove(&path.config_id) {
                         if let Some(debugger) = boxed.0.downcast::<LiveDebuggingData>() {
                             remove_config(remote_config, &path.config_id, debugger);
@@ -755,7 +755,7 @@ pub extern "C" fn ddog_rshutdown_remote_config(remote_config: &mut RemoteConfigS
     remote_config.dynamic_config.merged_configs.clear();
     remote_config.manager.unload_configs(&[
         RemoteConfigProduct::ApmTracing,
-        RemoteConfigProduct::LiveDebugger,
+        RemoteConfigProduct::LiveDebugging,
     ]);
 }
 

@@ -105,6 +105,7 @@ pub unsafe extern "C" fn ddog_sidecar_telemetry_addIntegration_buffer(
         version,
         compatible: None,
         auto_enabled: None,
+        error: None,
     });
     buffer.buffer.push(SidecarAction::Telemetry(action));
 }
@@ -121,6 +122,8 @@ pub unsafe extern "C" fn ddog_sidecar_telemetry_addDependency_buffer(
     let action = TelemetryActions::AddDependency(Dependency {
         name: dependency_name.to_utf8_lossy().into_owned(),
         version,
+        hash: None,
+        metadata: None,
     });
     buffer.buffer.push(SidecarAction::Telemetry(action));
 }
@@ -139,6 +142,9 @@ pub unsafe extern "C" fn ddog_sidecar_telemetry_addEndpoint_buffer(
         path: Some(path.to_utf8_lossy().into_owned()),
         operation_name: operation_name.to_utf8_lossy().into_owned(),
         resource_name: resource_name.to_utf8_lossy().into_owned(),
+        request_body_type: None,
+        response_body_type: None,
+        response_code: None,
     });
     buffer.buffer.push(SidecarAction::Telemetry(action));
 }
@@ -158,7 +164,7 @@ pub unsafe extern "C" fn ddog_sidecar_telemetry_enqueueConfig_buffer(
     };
     let action = TelemetryActions::AddConfig(data::Configuration {
         name: config_key.to_utf8_lossy().into_owned(),
-        value: config_value.to_utf8_lossy().into_owned(),
+        value: Some(config_value.to_utf8_lossy().into_owned()),
         origin,
         config_id,
         seq_id: None,

@@ -175,6 +175,19 @@ function run_fixture_case($client, $fileName, $index, array $case, array &$failu
             . ': value got=' . encode_value($details->getValue())
             . ' want=' . encode_value($case['result']['value']);
     }
+
+    if ($details->getReason() !== $case['result']['reason']) {
+        $failures[] = $fileName . '#' . $index
+            . ': reason got=' . encode_value($details->getReason())
+            . ' want=' . encode_value($case['result']['reason']);
+    }
+
+    if (array_key_exists('errorCode', $case['result'])
+        && $details->getErrorCode() !== $case['result']['errorCode']) {
+        $failures[] = $fileName . '#' . $index
+            . ': errorCode got=' . encode_value($details->getErrorCode())
+            . ' want=' . encode_value($case['result']['errorCode']);
+    }
 }
 
 function evaluate_fixture_case($client, $variationType, $flag, $defaultValue, array $context)
+207 −0		.github/workflows/downstream-compatibility.yml
+31 −0		.github/workflows/validate-fixtures.yml
+20 −5		CONTRIBUTING.md
+55 −3		README.md
+125 −0		ci/run-downstream-conformance.sh
+179 −0		ci/validate-fixtures.py
+59 −0		evaluation-cases/test-case-invalid-condition-operands.json
+17 −0		evaluation-cases/test-case-invalid-regex-isolation.json
+40 −0		evaluation-cases/test-case-invalid-shard-bounds-isolation.json
+27 −0		evaluation-cases/test-case-malformed-flag-isolation.json
+3 −3		evaluation-cases/test-case-microsecond-date-flag.json
+27 −0		evaluation-cases/test-case-missing-split-shards-isolation.json
+15 −0		evaluation-cases/test-case-null-shard-range-isolation.json
+26 −0		evaluation-cases/test-case-regex-flag.json
+169 −0		evaluation-cases/test-case-semver-comparison-flag.json
+129 −0		evaluation-cases/test-case-semver-validation-flag.json
+3 −3		evaluation-cases/test-case-start-and-end-date-flag.json
+16 −0		evaluation-cases/test-case-unknown-fields-tolerance.json
+31 −0		evaluation-cases/test-case-unknown-operator-isolation.json
+27 −0		evaluation-cases/test-case-variant-type-mismatch.json
+6 −3		evaluation-cases/test-flag-that-does-not-exist.json
+794 −1		ufc-config.json