Added directories excluding tools, .git, third_party, opentelemetry_l…

…ogo.png, TraceLoggingDynamic.h,

Included formatting changes from tools/format.sh

.clang-tidy

@@ -1 +1,27 @@
-Checks: 'clang-analyzer-*,performance-*,bugprone-*'
+# Copyright The OpenTelemetry Authors
+# SPDX-License-Identifier: Apache-2.0
+
+Checks: >
+  -*,
+  abseil-*,
+  bugprone-*,
+  google-*,
+  misc-*,
+  performance-*,
+  portability-*,
+  -google-readability-braces-around-statements,
+  -google-explicit-constructor,
+  -google-readability-todo,
+  -google-runtime-references,
+  -misc-non-private-member-variables-in-classes,
+  -misc-const-correctness,
+  -misc-include-cleaner,
+  -bugprone-narrowing-conversions,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-inc-dec-in-conditions,
+  -bugprone-implicit-widening-of-multiplication-result,
+  -bugprone-unchecked-optional-access,
+  -bugprone-unused-local-non-trivial-variable,
+  -bugprone-unused-return-value
+  -misc-unused-alias-decls
+

api/include/opentelemetry/baggage/baggage.h

@@ -98,7 +98,9 @@ class OPENTELEMETRY_EXPORT Baggage
     kv_properties_->GetAllEntries(
         [&baggage, &key](nostd::string_view e_key, nostd::string_view e_value) {
           if (key != e_key)
+          {
             baggage->kv_properties_->AddEntry(e_key, e_value);
+          }
           return true;
         });
     return baggage;

api/include/opentelemetry/baggage/baggage_context.h

@@ -27,7 +27,7 @@ inline nostd::shared_ptr<Baggage> GetBaggage(const context::Context &context) no
 }
 
 inline context::Context SetBaggage(context::Context &context,
-                                   nostd::shared_ptr<Baggage> baggage) noexcept
+                                   const nostd::shared_ptr<Baggage> &baggage) noexcept
 {
   return context.SetValue(kBaggageHeader, baggage);
 }

api/include/opentelemetry/context/context.h

@@ -57,9 +57,9 @@ class Context
   // Accepts a new iterable and then returns a new context that
   // contains the new key and value data. It attaches the
   // exisiting list to the end of the new list.
-  Context SetValue(nostd::string_view key, ContextValue value) noexcept
+  Context SetValue(nostd::string_view key, const ContextValue &value) noexcept
   {
-    Context context      = Context(key, std::move(value));
+    Context context      = Context(key, value);
     context.head_->next_ = head_;
     return context;
   }

api/include/opentelemetry/nostd/string_view.h

@@ -85,7 +85,9 @@ class string_view
     size_type len = (std::min)(size(), v.size());
     int result    = Traits::compare(data(), v.data(), len);
     if (result == 0)
+    {
       result = size() == v.size() ? 0 : (size() < v.size() ? -1 : 1);
+    }
     return result;
   }
 

api/include/opentelemetry/trace/context.h

@@ -34,7 +34,8 @@ inline bool IsRootSpan(const context::Context &context) noexcept
 }
 
 // Set Span into explicit context
-inline context::Context SetSpan(context::Context &context, nostd::shared_ptr<Span> span) noexcept
+inline context::Context SetSpan(context::Context &context,
+                                const nostd::shared_ptr<Span> &span) noexcept
 {
   return context.SetValue(kSpanKey, span);
 }

api/include/opentelemetry/trace/propagation/detail/hex.h

@@ -36,7 +36,7 @@ constexpr int8_t kHexDigits[256] = {
 
 inline int8_t HexToInt(char c)
 {
-  return kHexDigits[uint8_t(c)];
+  return kHexDigits[static_cast<uint8_t>(c)];
 }
 
 inline bool IsValidHex(nostd::string_view s)
@@ -57,8 +57,8 @@ inline bool HexToBinary(nostd::string_view hex, uint8_t *buffer, size_t buffer_s
     return false;
   }
 
-  int64_t hex_size     = int64_t(hex.size());
-  int64_t buffer_pos   = int64_t(buffer_size) - (hex_size + 1) / 2;
+  int64_t hex_size     = static_cast<int64_t>(hex.size());
+  int64_t buffer_pos   = static_cast<int64_t>(buffer_size) - (hex_size + 1) / 2;
   int64_t last_hex_pos = hex_size - 1;
 
   bool is_hex_size_odd = (hex_size % 2) == 1;

api/include/opentelemetry/trace/trace_state.h

@@ -184,7 +184,9 @@ class OPENTELEMETRY_EXPORT TraceState
     kv_properties_->GetAllEntries(
         [&ts, &key](nostd::string_view e_key, nostd::string_view e_value) {
           if (key != e_key)
+          {
             ts->kv_properties_->AddEntry(e_key, e_value);
+          }
           return true;
         });
     return ts;

api/test/common/spinlock_benchmark.cc

@@ -47,7 +47,9 @@ inline void SpinThrash(benchmark::State &s, SpinLockType &spinlock, LockF lock,
     }
     // Join threads
     for (auto &thread : threads)
+    {
       thread.join();
+    }
     threads.clear();
   }
 }

api/test/nostd/shared_ptr_test.cc

@@ -173,7 +173,7 @@ static void SharedPtrTest_Sort(size_t size = 10)
   auto nums2 = nums;
 
   std::sort(nums.begin(), nums.end(),
-            [](shared_ptr<const int> a, shared_ptr<const int> b) { return *a < *b; });
+            [](const shared_ptr<const int> &a, const shared_ptr<const int> &b) { return *a < *b; });
 
   EXPECT_NE(nums, nums2);
 

examples/etw_threads/main.cc

@@ -139,7 +139,9 @@ int main(int arc, char **argv)
     try
     {
       if (th.joinable())
+      {
         th.join();
+      }
     }
     catch (...)
     {

examples/grpc/client.cc

@@ -36,7 +36,7 @@ class GreeterClient
 public:
   GreeterClient(std::shared_ptr<Channel> channel) : stub_(Greeter::NewStub(channel)) {}
 
-  std::string Greet(std::string ip, uint16_t port)
+  std::string Greet(const std::string &ip, uint16_t port)
   {
     // Build gRPC Context objects and protobuf message containers
     GreetRequest request;

examples/grpc/tracer_common.h

@@ -99,7 +99,8 @@ void CleanupTracer()
   opentelemetry::trace::Provider::SetTracerProvider(none);
 }
 
-opentelemetry::nostd::shared_ptr<opentelemetry::trace::Tracer> get_tracer(std::string tracer_name)
+opentelemetry::nostd::shared_ptr<opentelemetry::trace::Tracer> get_tracer(
+    const std::string &tracer_name)
 {
   auto provider = opentelemetry::trace::Provider::GetTracerProvider();
   return provider->GetTracer(tracer_name);

exporters/etw/include/opentelemetry/exporters/etw/etw_properties.h

@@ -158,7 +158,7 @@ class PropertyValue : public PropertyVariant
    * @param v
    * @return
    */
-  PropertyValue() : PropertyVariant(int32_t(0)) {}
+  PropertyValue() : PropertyVariant(static_cast<int32_t>(0)) {}
 
   /**
    * @brief PropertyValue from array of characters as string.

exporters/etw/include/opentelemetry/exporters/etw/etw_tracer.h

@@ -214,7 +214,7 @@ class Tracer : public opentelemetry::trace::Tracer,
     {
       size_t idx = 0;
       std::string linksValue;
-      links.ForEachKeyValue([&](opentelemetry::trace::SpanContext ctx,
+      links.ForEachKeyValue([&](const opentelemetry::trace::SpanContext &ctx,
                                 const opentelemetry::common::KeyValueIterable &) {
         if (!linksValue.empty())
         {

exporters/etw/include/opentelemetry/exporters/etw/utils.h

@@ -46,10 +46,10 @@ namespace utils
 /// </summary>
 static constexpr uint32_t hashCode(const char *str, uint32_t h = 0)
 {
-  return (uint32_t)(!str[h] ? 5381 : ((uint32_t)hashCode(str, h + 1) * (uint32_t)33) ^ str[h]);
+  return (!str[h] ? 5381 : (hashCode(str, h + 1) * static_cast<uint32_t>(33)) ^ str[h]);
 }
 
-#define CONST_UINT32_T(x) std::integral_constant<uint32_t, (uint32_t)x>::value
+#define CONST_UINT32_T(x) std::integral_constant<uint32_t, (uint32_t)(x)>::value
 
 #define CONST_HASHCODE(name) CONST_UINT32_T(OPENTELEMETRY_NAMESPACE::utils::hashCode(#name))
 

exporters/ostream/include/opentelemetry/exporters/ostream/common_utils.h

@@ -35,7 +35,9 @@ void print_value(const std::vector<T> &vec, std::ostream &sout)
   {
     sout << v;
     if (i != sz)
+    {
       sout << ',';
+    }
     i++;
   };
   sout << ']';
@@ -51,7 +53,9 @@ void print_value(const nostd::span<T> &vec, std::ostream &sout)
   {
     sout << v;
     if (i != sz)
+    {
       sout << ',';
+    }
     i++;
   };
   sout << ']';

exporters/ostream/include/opentelemetry/exporters/ostream/log_record_exporter.h

@@ -66,10 +66,10 @@ class OStreamLogRecordExporter final : public opentelemetry::sdk::logs::LogRecor
   bool isShutdown() const noexcept;
   void printAttributes(
       const std::unordered_map<std::string, opentelemetry::sdk::common::OwnedAttributeValue> &map,
-      const std::string prefix = "\n\t");
+      const std::string &prefix = "\n\t");
   void printAttributes(
       const std::unordered_map<std::string, opentelemetry::common::AttributeValue> &map,
-      const std::string prefix = "\n\t");
+      const std::string &prefix = "\n\t");
 };
 }  // namespace logs
 }  // namespace exporter

exporters/ostream/include/opentelemetry/exporters/ostream/metric_exporter.h

@@ -79,7 +79,7 @@ class OStreamMetricExporter final : public opentelemetry::sdk::metrics::PushMetr
   void printPointData(const opentelemetry::sdk::metrics::PointType &point_data);
   void printPointAttributes(const opentelemetry::sdk::metrics::PointAttributes &point_attributes);
   void printAttributes(const std::map<std::string, sdk::common::OwnedAttributeValue> &map,
-                       const std::string prefix);
+                       const std::string &prefix);
   void printResources(const opentelemetry::sdk::resource::Resource &resources);
 };
 }  // namespace metrics

exporters/ostream/include/opentelemetry/exporters/ostream/span_exporter.h

@@ -69,7 +69,7 @@ class OStreamSpanExporter final : public opentelemetry::sdk::trace::SpanExporter
   // various print helpers
   void printAttributes(
       const std::unordered_map<std::string, opentelemetry::sdk::common::OwnedAttributeValue> &map,
-      const std::string prefix = "\n\t");
+      const std::string &prefix = "\n\t");
 
   void printEvents(const std::vector<opentelemetry::sdk::trace::SpanDataEvent> &events);
 

exporters/ostream/src/log_record_exporter.cc

@@ -75,11 +75,11 @@ sdk::common::ExportResult OStreamLogRecordExporter::Export(
 
     // Convert trace, spanid, traceflags into exportable representation
     constexpr int trace_id_len    = 32;
-    constexpr int span_id__len    = 16;
+    constexpr int span_id_len     = 16;
     constexpr int trace_flags_len = 2;
 
     char trace_id[trace_id_len]       = {0};
-    char span_id[span_id__len]        = {0};
+    char span_id[span_id_len]         = {0};
     char trace_flags[trace_flags_len] = {0};
 
     log_record->GetTraceId().ToLowerBase16(trace_id);
@@ -120,7 +120,7 @@ sdk::common::ExportResult OStreamLogRecordExporter::Export(
           << "  event_id           : " << event_id << "\n"
           << "  event_name         : " << log_record->GetEventName() << "\n"
           << "  trace_id           : " << std::string(trace_id, trace_id_len) << "\n"
-          << "  span_id            : " << std::string(span_id, span_id__len) << "\n"
+          << "  span_id            : " << std::string(span_id, span_id_len) << "\n"
           << "  trace_flags        : " << std::string(trace_flags, trace_flags_len) << "\n"
           << "  scope              : \n"
           << "    name             : " << log_record->GetInstrumentationScope().GetName() << "\n"
@@ -155,7 +155,7 @@ bool OStreamLogRecordExporter::isShutdown() const noexcept
 
 void OStreamLogRecordExporter::printAttributes(
     const std::unordered_map<std::string, sdkcommon::OwnedAttributeValue> &map,
-    const std::string prefix)
+    const std::string &prefix)
 {
   for (const auto &kv : map)
   {
@@ -166,7 +166,7 @@ void OStreamLogRecordExporter::printAttributes(
 
 void OStreamLogRecordExporter::printAttributes(
     const std::unordered_map<std::string, opentelemetry::common::AttributeValue> &map,
-    const std::string prefix)
+    const std::string &prefix)
 {
   for (const auto &kv : map)
   {

exporters/ostream/src/metric_exporter.cc

@@ -117,7 +117,7 @@ sdk::common::ExportResult OStreamMetricExporter::Export(
 
 void OStreamMetricExporter::printAttributes(
     const std::map<std::string, sdk::common::OwnedAttributeValue> &map,
-    const std::string prefix)
+    const std::string &prefix)
 {
   for (const auto &kv : map)
   {
@@ -135,7 +135,9 @@ void OStreamMetricExporter::printResources(const opentelemetry::sdk::resource::R
     // order is guaranteed.
     std::map<std::string, sdk::common::OwnedAttributeValue> attr_map;
     for (auto &kv : attributes)
+    {
       attr_map[kv.first] = std::move(kv.second);
+    }
     printAttributes(attr_map, "\n\t");
   }
 }

exporters/ostream/src/span_exporter.cc

@@ -101,7 +101,7 @@ sdk::common::ExportResult OStreamSpanExporter::Export(
             << "\n  duration      : " << span->GetDuration().count()
             << "\n  description   : " << span->GetDescription()
             << "\n  span kind     : " << span->GetSpanKind()
-            << "\n  status        : " << statusMap[int(span->GetStatus())]
+            << "\n  status        : " << statusMap[static_cast<int>(span->GetStatus())]
             << "\n  attributes    : ";
       printAttributes(span->GetAttributes());
       sout_ << "\n  events        : ";
@@ -138,7 +138,7 @@ bool OStreamSpanExporter::isShutdown() const noexcept
 
 void OStreamSpanExporter::printAttributes(
     const std::unordered_map<std::string, sdkcommon::OwnedAttributeValue> &map,
-    const std::string prefix)
+    const std::string &prefix)
 {
   for (const auto &kv : map)
   {
@@ -178,7 +178,7 @@ void OStreamSpanExporter::printLinks(const std::vector<trace_sdk::SpanDataLink>
 
 void OStreamSpanExporter::printResources(const opentelemetry::sdk::resource::Resource &resources)
 {
-  auto attributes = resources.GetAttributes();
+  const auto &attributes = resources.GetAttributes();
   if (attributes.size())
   {
     printAttributes(attributes, "\n\t");
@@ -189,7 +189,7 @@ void OStreamSpanExporter::printInstrumentationScope(
     const opentelemetry::sdk::instrumentationscope::InstrumentationScope &instrumentation_scope)
 {
   sout_ << instrumentation_scope.GetName();
-  auto version = instrumentation_scope.GetVersion();
+  const auto &version = instrumentation_scope.GetVersion();
   if (version.size())
   {
     sout_ << "-" << version;

exporters/otlp/include/opentelemetry/exporters/otlp/otlp_preferred_temporality.h

@@ -18,6 +18,6 @@ enum class PreferredAggregationTemporality
   kLowMemory,
 };
 
-}
+}  // namespace otlp
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE

exporters/otlp/src/otlp_file_client.cc

@@ -173,11 +173,11 @@ static std::size_t FormatPath(char *buff,
   {                                     \
     tm_obj_cache = GetLocalTime();      \
     tm_obj_ptr   = &tm_obj_cache;       \
-    VAR          = tm_obj_ptr->EXPRESS; \
+    (VAR)        = tm_obj_ptr->EXPRESS; \
   }                                     \
   else                                  \
   {                                     \
-    VAR = tm_obj_ptr->EXPRESS;          \
+    (VAR) = tm_obj_ptr->EXPRESS;        \
   }
 
   for (size_t i = 0; i < fmt.size() && ret < bufz && running; ++i)

exporters/otlp/src/otlp_http_client.cc

@@ -38,6 +38,7 @@
 #include <mutex>
 #include <sstream>
 #include <string>
+#include <utility>
 #include <vector>
 
 #ifdef GetMessage
@@ -685,12 +686,14 @@ OtlpHttpClient::~OtlpHttpClient()
 
   // And then remove all session datas
   while (cleanupGCSessions())
+  {
     ;
+  }
 }
 
 OtlpHttpClient::OtlpHttpClient(OtlpHttpClientOptions &&options,
                                std::shared_ptr<ext::http::client::HttpClient> http_client)
-    : is_shutdown_(false), options_(options), http_client_(http_client)
+    : is_shutdown_(false), options_(options), http_client_(std::move(http_client))
 {
   http_client_->SetMaxSessionsPerConnection(options_.max_requests_per_connection);
 }
@@ -831,7 +834,9 @@ bool OtlpHttpClient::Shutdown(std::chrono::microseconds timeout) noexcept
   ForceFlush(timeout);
 
   while (cleanupGCSessions())
+  {
     ;
+  }
   return true;
 }