Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
crypto	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
permission	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
tracing	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
acorn_version.h	209 B	-rw-r--r--	2024-04-18 19:08
aliased_buffer-inl.h	7.44 KB	-rw-r--r--	2024-02-13 21:40
aliased_buffer.h	6.05 KB	-rw-r--r--	2024-02-13 21:40
aliased_struct-inl.h	1.32 KB	-rw-r--r--	2024-02-13 21:40
aliased_struct.h	1.44 KB	-rw-r--r--	2024-02-13 21:40
async_wrap-inl.h	2.68 KB	-rw-r--r--	2024-02-13 21:40
async_wrap.h	11.32 KB	-rw-r--r--	2024-02-13 21:40
base64-inl.h	5.76 KB	-rw-r--r--	2024-02-13 21:40
base64.h	1.43 KB	-rw-r--r--	2024-02-13 21:40
base64_version.h	227 B	-rw-r--r--	2024-02-13 21:40
base_object-inl.h	8.94 KB	-rw-r--r--	2024-02-13 21:40
base_object.h	13.3 KB	-rw-r--r--	2024-02-13 21:40
base_object_types.h	3.28 KB	-rw-r--r--	2024-02-13 21:40
blob_serializer_deserializer-inl.h	10.54 KB	-rw-r--r--	2024-02-13 21:40
blob_serializer_deserializer.h	3.56 KB	-rw-r--r--	2024-02-13 21:40
callback_queue-inl.h	2.59 KB	-rw-r--r--	2024-02-13 21:40
callback_queue.h	1.96 KB	-rw-r--r--	2024-02-13 21:40
cares_wrap.h	14.37 KB	-rw-r--r--	2024-04-18 19:08
cjs_module_lexer_version.h	277 B	-rw-r--r--	2024-04-18 19:08
cleanup_queue-inl.h	1.58 KB	-rw-r--r--	2024-02-13 21:40
cleanup_queue.h	2.19 KB	-rw-r--r--	2024-02-13 21:40
connect_wrap.h	584 B	-rw-r--r--	2024-02-13 21:40
connection_wrap.h	686 B	-rw-r--r--	2024-02-13 21:40
debug_utils-inl.h	7.42 KB	-rw-r--r--	2024-02-13 21:40
debug_utils.h	6.77 KB	-rw-r--r--	2024-02-13 21:40
diagnosticfilename-inl.h	768 B	-rw-r--r--	2024-02-13 21:40
env-inl.h	25.59 KB	-rw-r--r--	2024-02-13 21:40
env.h	38.85 KB	-rw-r--r--	2024-02-13 21:40
env_properties.h	33.32 KB	-rw-r--r--	2024-02-13 21:40
handle_wrap.h	4.16 KB	-rw-r--r--	2024-02-13 21:40
histogram-inl.h	2.39 KB	-rw-r--r--	2024-02-13 21:40
histogram.h	7.89 KB	-rw-r--r--	2024-02-13 21:40
inspector_agent.h	4.69 KB	-rw-r--r--	2024-02-13 21:40
inspector_io.h	2.19 KB	-rw-r--r--	2024-02-13 21:40
inspector_profiler.h	4.53 KB	-rw-r--r--	2024-02-13 21:40
inspector_socket.h	1.53 KB	-rw-r--r--	2024-02-13 21:40
inspector_socket_server.h	3.5 KB	-rw-r--r--	2024-02-13 21:40
js_native_api.h	31.22 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_types.h	4.44 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_v8.h	16.83 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_v8_internals.h	1.56 KB	-rw-r--r--	2024-02-13 21:40
js_stream.h	1.35 KB	-rw-r--r--	2024-02-13 21:40
json_utils.h	3.8 KB	-rw-r--r--	2024-02-13 21:40
memory_tracker-inl.h	12.01 KB	-rw-r--r--	2024-02-13 21:40
memory_tracker.h	11.55 KB	-rw-r--r--	2024-02-13 21:40
module_wrap.h	3.72 KB	-rw-r--r--	2024-02-13 21:40
node.h	56.44 KB	-rw-r--r--	2024-02-13 21:40
node_api.h	9.96 KB	-rw-r--r--	2024-02-13 21:40
node_api_internals.h	1.24 KB	-rw-r--r--	2024-02-13 21:40
node_api_types.h	1.57 KB	-rw-r--r--	2024-02-13 21:40
node_binding.h	4.19 KB	-rw-r--r--	2024-02-13 21:40
node_blob.h	5.04 KB	-rw-r--r--	2024-02-13 21:40
node_bob-inl.h	657 B	-rw-r--r--	2024-02-13 21:40
node_bob.h	2.82 KB	-rw-r--r--	2024-02-13 21:40
node_buffer.h	3.6 KB	-rw-r--r--	2024-02-13 21:40
node_builtins.h	5.63 KB	-rw-r--r--	2024-02-13 21:40
node_constants.h	3.67 KB	-rw-r--r--	2024-02-13 21:40
node_context_data.h	2.94 KB	-rw-r--r--	2024-02-13 21:40
node_contextify.h	7.63 KB	-rw-r--r--	2024-02-13 21:40
node_crypto.h	2.27 KB	-rw-r--r--	2024-02-13 21:40
node_dir.h	1.31 KB	-rw-r--r--	2024-02-13 21:40
node_dtrace.h	2.89 KB	-rw-r--r--	2024-02-13 21:40
node_errors.h	16.86 KB	-rw-r--r--	2024-02-13 21:40
node_external_reference.h	7.86 KB	-rw-r--r--	2024-02-13 21:40
node_file-inl.h	12.45 KB	-rw-r--r--	2024-02-13 21:40
node_file.h	14.7 KB	-rw-r--r--	2024-02-13 21:40
node_http2.h	38.61 KB	-rw-r--r--	2024-02-13 21:40
node_http2_state.h	4.76 KB	-rw-r--r--	2024-02-13 21:40
node_http_common-inl.h	5.46 KB	-rw-r--r--	2024-02-13 21:40
node_http_common.h	24.56 KB	-rw-r--r--	2024-02-13 21:40
node_i18n.h	4.34 KB	-rw-r--r--	2024-02-13 21:40
node_internals.h	15.03 KB	-rw-r--r--	2024-02-13 21:40
node_main_instance.h	2.96 KB	-rw-r--r--	2024-02-13 21:40
node_mem-inl.h	3.6 KB	-rw-r--r--	2024-02-13 21:40
node_mem.h	1.27 KB	-rw-r--r--	2024-02-13 21:40
node_messaging.h	14.3 KB	-rw-r--r--	2024-02-13 21:40
node_metadata.h	4.37 KB	-rw-r--r--	2024-02-13 21:40
node_mutex.h	7.78 KB	-rw-r--r--	2024-02-13 21:40
node_object_wrap.h	3.78 KB	-rw-r--r--	2024-02-13 21:40
node_options-inl.h	15.86 KB	-rw-r--r--	2024-02-13 21:40
node_options.h	17.57 KB	-rw-r--r--	2024-02-13 21:40
node_perf.h	4.76 KB	-rw-r--r--	2024-02-13 21:40
node_perf_common.h	2.88 KB	-rw-r--r--	2024-02-13 21:40
node_platform.h	6.19 KB	-rw-r--r--	2024-02-13 21:40
node_process-inl.h	737 B	-rw-r--r--	2024-02-13 21:40
node_process.h	3.36 KB	-rw-r--r--	2024-02-13 21:40
node_realm-inl.h	4.59 KB	-rw-r--r--	2024-02-13 21:40
node_realm.h	5.38 KB	-rw-r--r--	2024-02-13 21:40
node_report.h	994 B	-rw-r--r--	2024-02-13 21:40
node_revert.h	2.09 KB	-rw-r--r--	2024-02-13 21:40
node_root_certs.h	231.49 KB	-rw-r--r--	2024-02-13 21:40
node_sea.h	517 B	-rw-r--r--	2024-02-13 21:40
node_shadow_realm.h	449 B	-rw-r--r--	2024-02-13 21:40
node_snapshot_builder.h	1.21 KB	-rw-r--r--	2024-02-13 21:40
node_snapshotable.h	4.82 KB	-rw-r--r--	2024-02-13 21:40
node_sockaddr-inl.h	7.28 KB	-rw-r--r--	2024-02-13 21:40
node_sockaddr.h	12.91 KB	-rw-r--r--	2024-02-13 21:40
node_stat_watcher.h	2.36 KB	-rw-r--r--	2024-02-13 21:40
node_threadsafe_cow-inl.h	1.28 KB	-rw-r--r--	2024-02-13 21:40
node_threadsafe_cow.h	2.78 KB	-rw-r--r--	2024-02-13 21:40
node_union_bytes.h	1.66 KB	-rw-r--r--	2024-02-13 21:40
node_url.h	2.13 KB	-rw-r--r--	2024-02-13 21:40
node_util.h	1.39 KB	-rw-r--r--	2024-02-13 21:40
node_v8.h	1.67 KB	-rw-r--r--	2024-02-13 21:40
node_v8_platform-inl.h	6.63 KB	-rw-r--r--	2024-02-13 21:40
node_version.h	3.85 KB	-rw-r--r--	2024-04-18 19:08
node_wasi.h	5.21 KB	-rw-r--r--	2024-02-13 21:40
node_wasm_web_api.h	1.78 KB	-rw-r--r--	2024-02-13 21:40
node_watchdog.h	4.32 KB	-rw-r--r--	2024-02-13 21:40
node_win32_etw_provider-inl.h	11.53 KB	-rw-r--r--	2024-02-13 21:40
node_win32_etw_provider.h	3.67 KB	-rw-r--r--	2024-02-13 21:40
node_worker.h	4.92 KB	-rw-r--r--	2024-02-13 21:40
pipe_wrap.h	2.78 KB	-rw-r--r--	2024-02-13 21:40
req_wrap-inl.h	5.43 KB	-rw-r--r--	2024-02-13 21:40
req_wrap.h	2.23 KB	-rw-r--r--	2024-02-13 21:40
spawn_sync.h	6.87 KB	-rw-r--r--	2024-02-13 21:40
stream_base-inl.h	4.93 KB	-rw-r--r--	2024-02-13 21:40
stream_base.h	17.44 KB	-rw-r--r--	2024-02-13 21:40
stream_pipe.h	2.39 KB	-rw-r--r--	2024-02-13 21:40
stream_wrap.h	4.15 KB	-rw-r--r--	2024-02-13 21:40
string_bytes.h	4.69 KB	-rw-r--r--	2024-02-13 21:40
string_decoder-inl.h	858 B	-rw-r--r--	2024-02-13 21:40
string_decoder.h	1.5 KB	-rw-r--r--	2024-02-13 21:40
string_search.h	20.94 KB	-rw-r--r--	2024-02-13 21:40
tcp_wrap.h	3.9 KB	-rw-r--r--	2024-02-13 21:40
threadpoolwork-inl.h	2.58 KB	-rw-r--r--	2024-02-13 21:40
timer_wrap-inl.h	755 B	-rw-r--r--	2024-02-13 21:40
timer_wrap.h	1.79 KB	-rw-r--r--	2024-02-13 21:40
tty_wrap.h	2.27 KB	-rw-r--r--	2024-02-13 21:40
udp_wrap.h	8.5 KB	-rw-r--r--	2024-02-13 21:40
undici_version.h	215 B	-rw-r--r--	2024-04-18 19:08
util-inl.h	19.56 KB	-rw-r--r--	2024-02-13 21:40
util.h	31.46 KB	-rw-r--r--	2024-02-13 21:40
v8abbr.h	5.05 KB	-rw-r--r--	2024-02-13 21:40

Rename

#ifndef SRC_NODE_V8_PLATFORM_INL_H_
#define SRC_NODE_V8_PLATFORM_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include <memory>
#include <string_view>

#include "env-inl.h"
#include "node.h"
#include "node_metadata.h"
#include "node_platform.h"
#include "node_options.h"
#include "tracing/node_trace_writer.h"
#include "tracing/trace_event.h"
#include "tracing/traced_value.h"
#include "util.h"

namespace node {

// Ensures that __metadata trace events are only emitted
// when tracing is enabled.
class NodeTraceStateObserver
    : public v8::TracingController::TraceStateObserver {
 public:
  inline void OnTraceEnabled() override {
    std::string title = GetProcessTitle("");
    if (!title.empty()) {
      // Only emit the metadata event if the title can be retrieved
      // successfully. Ignore it otherwise.
      TRACE_EVENT_METADATA1(
          "__metadata", "process_name", "name", TRACE_STR_COPY(title.c_str()));
    }
    TRACE_EVENT_METADATA1("__metadata",
                          "version",
                          "node",
                          per_process::metadata.versions.node.c_str());
    TRACE_EVENT_METADATA1(
        "__metadata", "thread_name", "name", "JavaScriptMainThread");

auto trace_process = tracing::TracedValue::Create();
    trace_process->BeginDictionary("versions");

#define V(key)                                                                 \
  trace_process->SetString(#key, per_process::metadata.versions.key.c_str());

NODE_VERSIONS_KEYS(V)
#undef V

trace_process->EndDictionary();

trace_process->SetString("arch", per_process::metadata.arch.c_str());
    trace_process->SetString("platform",
                             per_process::metadata.platform.c_str());

trace_process->BeginDictionary("release");
    trace_process->SetString("name",
                             per_process::metadata.release.name.c_str());
#if NODE_VERSION_IS_LTS
    trace_process->SetString("lts", per_process::metadata.release.lts.c_str());
#endif
    trace_process->EndDictionary();
    TRACE_EVENT_METADATA1(
        "__metadata", "node", "process", std::move(trace_process));

// This only runs the first time tracing is enabled
    controller_->RemoveTraceStateObserver(this);
  }

inline void OnTraceDisabled() override {
    // Do nothing here. This should never be called because the
    // observer removes itself when OnTraceEnabled() is called.
    UNREACHABLE();
  }

explicit NodeTraceStateObserver(v8::TracingController* controller)
      : controller_(controller) {}
  ~NodeTraceStateObserver() override = default;

private:
  v8::TracingController* controller_;
};

struct V8Platform {
  bool initialized_ = false;

#if NODE_USE_V8_PLATFORM
  inline void Initialize(int thread_pool_size) {
    CHECK(!initialized_);
    initialized_ = true;
    tracing_agent_ = std::make_unique<tracing::Agent>();
    node::tracing::TraceEventHelper::SetAgent(tracing_agent_.get());
    node::tracing::TracingController* controller =
        tracing_agent_->GetTracingController();
    trace_state_observer_ =
        std::make_unique<NodeTraceStateObserver>(controller);
    controller->AddTraceStateObserver(trace_state_observer_.get());
    tracing_file_writer_ = tracing_agent_->DefaultHandle();
    // Only start the tracing agent if we enabled any tracing categories.
    if (!per_process::cli_options->trace_event_categories.empty()) {
      StartTracingAgent();
    }
    // Tracing must be initialized before platform threads are created.
    platform_ = new NodePlatform(thread_pool_size, controller);
    v8::V8::InitializePlatform(platform_);
  }
  // Make sure V8Platform don not call into Libuv threadpool,
  // see DefaultProcessExitHandlerInternal in environment.cc
  inline void Dispose() {
    if (!initialized_)
      return;
    initialized_ = false;
    node::tracing::TraceEventHelper::SetAgent(nullptr);
    StopTracingAgent();
    platform_->Shutdown();
    delete platform_;
    platform_ = nullptr;
    // Destroy tracing after the platform (and platform threads) have been
    // stopped.
    tracing_agent_.reset(nullptr);
    // The observer remove itself in OnTraceEnabled
    trace_state_observer_.reset(nullptr);
  }

inline void DrainVMTasks(v8::Isolate* isolate) {
    platform_->DrainTasks(isolate);
  }

inline void StartTracingAgent() {
    constexpr auto convert_to_set =
        [](std::vector<std::string_view> categories) -> std::set<std::string> {
      std::set<std::string> out;
      for (const auto& s : categories) {
        out.emplace(s);
      }
      return out;
    };
    // Attach a new NodeTraceWriter only if this function hasn't been called
    // before.
    if (tracing_file_writer_.IsDefaultHandle()) {
      using std::string_view_literals::operator""sv;
      const std::vector<std::string_view> categories =
          SplitString(per_process::cli_options->trace_event_categories, ","sv);

tracing_file_writer_ = tracing_agent_->AddClient(
          convert_to_set(categories),
          std::unique_ptr<tracing::AsyncTraceWriter>(
              new tracing::NodeTraceWriter(
                  per_process::cli_options->trace_event_file_pattern)),
          tracing::Agent::kUseDefaultCategories);
    }
  }

inline void StopTracingAgent() { tracing_file_writer_.reset(); }

inline tracing::AgentWriterHandle* GetTracingAgentWriter() {
    return &tracing_file_writer_;
  }

inline NodePlatform* Platform() { return platform_; }

std::unique_ptr<NodeTraceStateObserver> trace_state_observer_;
  std::unique_ptr<tracing::Agent> tracing_agent_;
  tracing::AgentWriterHandle tracing_file_writer_;
  NodePlatform* platform_;
#else   // !NODE_USE_V8_PLATFORM
  inline void Initialize(int thread_pool_size) {}
  inline void Dispose() {}
  inline void DrainVMTasks(v8::Isolate* isolate) {}
  inline void StartTracingAgent() {
    if (!per_process::cli_options->trace_event_categories.empty()) {
      fprintf(stderr,
              "Node compiled with NODE_USE_V8_PLATFORM=0, "
              "so event tracing is not available.\n");
    }
  }
  inline void StopTracingAgent() {}

inline tracing::AgentWriterHandle* GetTracingAgentWriter() { return nullptr; }

inline NodePlatform* Platform() { return nullptr; }
#endif  // !NODE_USE_V8_PLATFORM
};

namespace per_process {
extern struct V8Platform v8_platform;
}

inline void StartTracingAgent() {
  return per_process::v8_platform.StartTracingAgent();
}

inline tracing::AgentWriterHandle* GetTracingAgentWriter() {
  return per_process::v8_platform.GetTracingAgentWriter();
}

inline void DisposePlatform() {
  per_process::v8_platform.Dispose();
}

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_V8_PLATFORM_INL_H_