diff --git a/.clang-format b/.clang-format
index 38804f78c4ebef7eb30e3d1a44195bd894fde905..651e1296ba3a7f9bba00d144b469a4034a02073e 100644
--- a/.clang-format
+++ b/.clang-format
@@ -2,27 +2,22 @@
 Language:        Cpp
 # BasedOnStyle:  Google
 AccessModifierOffset: -1
-AlignAfterOpenBracket: true
+ConstructorInitializerIndentWidth: 4
 AlignEscapedNewlinesLeft: true
-AlignOperands:   true
 AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
 AllowShortIfStatementsOnASingleLine: true
 AllowShortLoopsOnASingleLine: true
 AllowShortFunctionsOnASingleLine: All
-AlwaysBreakAfterDefinitionReturnType: false
 AlwaysBreakTemplateDeclarations: true
 AlwaysBreakBeforeMultilineStrings: true
-BreakBeforeBinaryOperators: None
+BreakBeforeBinaryOperators: false
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializersBeforeComma: false
 BinPackParameters: true
-BinPackArguments: true
 ColumnLimit:     80
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
-ConstructorInitializerIndentWidth: 4
 DerivePointerAlignment: true
 ExperimentalAutoDetectBinPacking: false
 IndentCaseLabels: true
@@ -31,7 +26,6 @@ IndentFunctionDeclarationAfterType: false
 MaxEmptyLinesToKeep: 1
 KeepEmptyLinesAtTheStartOfBlocks: false
 NamespaceIndentation: None
-ObjCBlockIndentWidth: 2
 ObjCSpaceAfterProperty: false
 ObjCSpaceBeforeProtocolList: false
 PenaltyBreakBeforeFirstCallParameter: 1
@@ -49,11 +43,9 @@ TabWidth:        8
 UseTab:          Never
 BreakBeforeBraces: Attach
 SpacesInParentheses: false
-SpacesInSquareBrackets: false
 SpacesInAngles:  false
 SpaceInEmptyParentheses: false
 SpacesInCStyleCastParentheses: false
-SpaceAfterCStyleCast: false
 SpacesInContainerLiterals: true
 SpaceBeforeAssignmentOperators: true
 ContinuationIndentWidth: 4
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index 29bd3560f3eee38105cb53004b08038d4ea00848..8724f97e8be496435a5ec235dd2e9fa85facb776 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -45,23 +45,23 @@
 namespace grpc_cpp_generator {
 namespace {
 
-bool NoStreaming(const google::protobuf::MethodDescriptor* method) {
+bool NoStreaming(const google::protobuf::MethodDescriptor *method) {
   return !method->client_streaming() && !method->server_streaming();
 }
 
-bool ClientOnlyStreaming(const google::protobuf::MethodDescriptor* method) {
+bool ClientOnlyStreaming(const google::protobuf::MethodDescriptor *method) {
   return method->client_streaming() && !method->server_streaming();
 }
 
-bool ServerOnlyStreaming(const google::protobuf::MethodDescriptor* method) {
+bool ServerOnlyStreaming(const google::protobuf::MethodDescriptor *method) {
   return !method->client_streaming() && method->server_streaming();
 }
 
-bool BidiStreaming(const google::protobuf::MethodDescriptor* method) {
+bool BidiStreaming(const google::protobuf::MethodDescriptor *method) {
   return method->client_streaming() && method->server_streaming();
 }
 
-bool HasClientOnlyStreaming(const google::protobuf::FileDescriptor* file) {
+bool HasClientOnlyStreaming(const google::protobuf::FileDescriptor *file) {
   for (int i = 0; i < file->service_count(); i++) {
     for (int j = 0; j < file->service(i)->method_count(); j++) {
       if (ClientOnlyStreaming(file->service(i)->method(j))) {
@@ -72,7 +72,7 @@ bool HasClientOnlyStreaming(const google::protobuf::FileDescriptor* file) {
   return false;
 }
 
-bool HasServerOnlyStreaming(const google::protobuf::FileDescriptor* file) {
+bool HasServerOnlyStreaming(const google::protobuf::FileDescriptor *file) {
   for (int i = 0; i < file->service_count(); i++) {
     for (int j = 0; j < file->service(i)->method_count(); j++) {
       if (ServerOnlyStreaming(file->service(i)->method(j))) {
@@ -83,7 +83,7 @@ bool HasServerOnlyStreaming(const google::protobuf::FileDescriptor* file) {
   return false;
 }
 
-bool HasBidiStreaming(const google::protobuf::FileDescriptor* file) {
+bool HasBidiStreaming(const google::protobuf::FileDescriptor *file) {
   for (int i = 0; i < file->service_count(); i++) {
     for (int j = 0; j < file->service(i)->method_count(); j++) {
       if (BidiStreaming(file->service(i)->method(j))) {
@@ -95,7 +95,7 @@ bool HasBidiStreaming(const google::protobuf::FileDescriptor* file) {
 }
 }  // namespace
 
-std::string GetHeaderIncludes(const google::protobuf::FileDescriptor* file) {
+std::string GetHeaderIncludes(const google::protobuf::FileDescriptor *file) {
   std::string temp =
       "#include \"grpc++/impl/internal_stub.h\"\n"
       "#include \"grpc++/status.h\"\n"
@@ -131,9 +131,9 @@ std::string GetSourceIncludes() {
          "#include \"grpc++/stream.h\"\n";
 }
 
-void PrintHeaderClientMethod(google::protobuf::io::Printer* printer,
-                             const google::protobuf::MethodDescriptor* method,
-                             std::map<std::string, std::string>* vars) {
+void PrintHeaderClientMethod(google::protobuf::io::Printer *printer,
+                             const google::protobuf::MethodDescriptor *method,
+                             std::map<std::string, std::string> *vars) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -160,9 +160,9 @@ void PrintHeaderClientMethod(google::protobuf::io::Printer* printer,
   }
 }
 
-void PrintHeaderServerMethod(google::protobuf::io::Printer* printer,
-                             const google::protobuf::MethodDescriptor* method,
-                             std::map<std::string, std::string>* vars) {
+void PrintHeaderServerMethod(google::protobuf::io::Printer *printer,
+                             const google::protobuf::MethodDescriptor *method,
+                             std::map<std::string, std::string> *vars) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -194,9 +194,9 @@ void PrintHeaderServerMethod(google::protobuf::io::Printer* printer,
   }
 }
 
-void PrintHeaderService(google::protobuf::io::Printer* printer,
-                        const google::protobuf::ServiceDescriptor* service,
-                        std::map<std::string, std::string>* vars) {
+void PrintHeaderService(google::protobuf::io::Printer *printer,
+                        const google::protobuf::ServiceDescriptor *service,
+                        std::map<std::string, std::string> *vars) {
   (*vars)["Service"] = service->name();
 
   printer->Print(*vars,
@@ -241,7 +241,7 @@ void PrintHeaderService(google::protobuf::io::Printer* printer,
   printer->Print("};\n");
 }
 
-std::string GetHeaderServices(const google::protobuf::FileDescriptor* file) {
+std::string GetHeaderServices(const google::protobuf::FileDescriptor *file) {
   std::string output;
   google::protobuf::io::StringOutputStream output_stream(&output);
   google::protobuf::io::Printer printer(&output_stream, '$');
@@ -254,9 +254,9 @@ std::string GetHeaderServices(const google::protobuf::FileDescriptor* file) {
   return output;
 }
 
-void PrintSourceClientMethod(google::protobuf::io::Printer* printer,
-                             const google::protobuf::MethodDescriptor* method,
-                             std::map<std::string, std::string>* vars) {
+void PrintSourceClientMethod(google::protobuf::io::Printer *printer,
+                             const google::protobuf::MethodDescriptor *method,
+                             std::map<std::string, std::string> *vars) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -312,9 +312,9 @@ void PrintSourceClientMethod(google::protobuf::io::Printer* printer,
   }
 }
 
-void PrintSourceServerMethod(google::protobuf::io::Printer* printer,
-                             const google::protobuf::MethodDescriptor* method,
-                             std::map<std::string, std::string>* vars) {
+void PrintSourceServerMethod(google::protobuf::io::Printer *printer,
+                             const google::protobuf::MethodDescriptor *method,
+                             std::map<std::string, std::string> *vars) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -362,9 +362,9 @@ void PrintSourceServerMethod(google::protobuf::io::Printer* printer,
   }
 }
 
-void PrintSourceService(google::protobuf::io::Printer* printer,
-                        const google::protobuf::ServiceDescriptor* service,
-                        std::map<std::string, std::string>* vars) {
+void PrintSourceService(google::protobuf::io::Printer *printer,
+                        const google::protobuf::ServiceDescriptor *service,
+                        std::map<std::string, std::string> *vars) {
   (*vars)["Service"] = service->name();
   printer->Print(
       *vars,
@@ -394,7 +394,7 @@ void PrintSourceService(google::protobuf::io::Printer* printer,
       "}\n");
   printer->Print("service_ = new ::grpc::RpcService();\n");
   for (int i = 0; i < service->method_count(); ++i) {
-    const google::protobuf::MethodDescriptor* method = service->method(i);
+    const google::protobuf::MethodDescriptor *method = service->method(i);
     (*vars)["Method"] = method->name();
     (*vars)["Request"] =
         grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -458,7 +458,7 @@ void PrintSourceService(google::protobuf::io::Printer* printer,
   printer->Print("}\n\n");
 }
 
-std::string GetSourceServices(const google::protobuf::FileDescriptor* file) {
+std::string GetSourceServices(const google::protobuf::FileDescriptor *file) {
   std::string output;
   google::protobuf::io::StringOutputStream output_stream(&output);
   google::protobuf::io::Printer printer(&output_stream, '$');
diff --git a/src/compiler/cpp_generator.h b/src/compiler/cpp_generator.h
index 1a74211b7159f4d10abb28365afee7f597fde66d..fe84d08b4c8a9a7453df6b587cf84db4053e84e4 100644
--- a/src/compiler/cpp_generator.h
+++ b/src/compiler/cpp_generator.h
@@ -45,16 +45,16 @@ class FileDescriptor;
 namespace grpc_cpp_generator {
 
 // Return the includes needed for generated header file.
-std::string GetHeaderIncludes(const google::protobuf::FileDescriptor* file);
+std::string GetHeaderIncludes(const google::protobuf::FileDescriptor *file);
 
 // Return the includes needed for generated source file.
 std::string GetSourceIncludes();
 
 // Return the services for generated header file.
-std::string GetHeaderServices(const google::protobuf::FileDescriptor* file);
+std::string GetHeaderServices(const google::protobuf::FileDescriptor *file);
 
 // Return the services for generated source file.
-std::string GetSourceServices(const google::protobuf::FileDescriptor* file);
+std::string GetSourceServices(const google::protobuf::FileDescriptor *file);
 
 }  // namespace grpc_cpp_generator
 
diff --git a/src/compiler/cpp_generator_helpers.h b/src/compiler/cpp_generator_helpers.h
index 1ad3cb2db3eb15fad080f386dabfa3362f249238..54c343866fc6bc25853ac7e6bc8ee0e541a2be45 100644
--- a/src/compiler/cpp_generator_helpers.h
+++ b/src/compiler/cpp_generator_helpers.h
@@ -41,7 +41,7 @@
 
 namespace grpc_cpp_generator {
 
-inline bool StripSuffix(std::string* filename, const std::string& suffix) {
+inline bool StripSuffix(std::string *filename, const std::string &suffix) {
   if (filename->length() >= suffix.length()) {
     size_t suffix_pos = filename->length() - suffix.length();
     if (filename->compare(suffix_pos, std::string::npos, suffix) == 0) {
@@ -60,8 +60,8 @@ inline std::string StripProto(std::string filename) {
   return filename;
 }
 
-inline std::string StringReplace(std::string str, const std::string& from,
-                                 const std::string& to) {
+inline std::string StringReplace(std::string str, const std::string &from,
+                                 const std::string &to) {
   size_t pos = 0;
 
   for (;;) {
@@ -76,22 +76,22 @@ inline std::string StringReplace(std::string str, const std::string& from,
   return str;
 }
 
-inline std::string DotsToColons(const std::string& name) {
+inline std::string DotsToColons(const std::string &name) {
   return StringReplace(name, ".", "::");
 }
 
-inline std::string DotsToUnderscores(const std::string& name) {
+inline std::string DotsToUnderscores(const std::string &name) {
   return StringReplace(name, ".", "_");
 }
 
-inline std::string ClassName(const google::protobuf::Descriptor* descriptor,
+inline std::string ClassName(const google::protobuf::Descriptor *descriptor,
                              bool qualified) {
   // Find "outer", the descriptor of the top-level message in which
   // "descriptor" is embedded.
-  const google::protobuf::Descriptor* outer = descriptor;
+  const google::protobuf::Descriptor *outer = descriptor;
   while (outer->containing_type() != NULL) outer = outer->containing_type();
 
-  const std::string& outer_name = outer->full_name();
+  const std::string &outer_name = outer->full_name();
   std::string inner_name = descriptor->full_name().substr(outer_name.size());
 
   if (qualified) {
diff --git a/src/compiler/cpp_plugin.cc b/src/compiler/cpp_plugin.cc
index e43278529d63f8478fd7525aeea2e25601ab346b..a7fdb1f093f01c1ba5c978a301a2bcf26cb5877f 100644
--- a/src/compiler/cpp_plugin.cc
+++ b/src/compiler/cpp_plugin.cc
@@ -51,10 +51,10 @@ class CppGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
   CppGrpcGenerator() {}
   virtual ~CppGrpcGenerator() {}
 
-  virtual bool Generate(const google::protobuf::FileDescriptor* file,
-                        const std::string& parameter,
-                        google::protobuf::compiler::GeneratorContext* context,
-                        std::string* error) const {
+  virtual bool Generate(const google::protobuf::FileDescriptor *file,
+                        const std::string &parameter,
+                        google::protobuf::compiler::GeneratorContext *context,
+                        std::string *error) const {
     if (file->options().cc_generic_services()) {
       *error =
           "cpp grpc proto compiler plugin does not work with generic "
@@ -81,9 +81,9 @@ class CppGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
 
  private:
   // Insert the given code into the given file at the given insertion point.
-  void Insert(google::protobuf::compiler::GeneratorContext* context,
-              const std::string& filename, const std::string& insertion_point,
-              const std::string& code) const {
+  void Insert(google::protobuf::compiler::GeneratorContext *context,
+              const std::string &filename, const std::string &insertion_point,
+              const std::string &code) const {
     std::unique_ptr<google::protobuf::io::ZeroCopyOutputStream> output(
         context->OpenForInsert(filename, insertion_point));
     google::protobuf::io::CodedOutputStream coded_out(output.get());
@@ -91,7 +91,7 @@ class CppGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
   }
 };
 
-int main(int argc, char* argv[]) {
+int main(int argc, char *argv[]) {
   CppGrpcGenerator generator;
   return google::protobuf::compiler::PluginMain(argc, argv, &generator);
 }
diff --git a/src/compiler/ruby_generator.cc b/src/compiler/ruby_generator.cc
index 393f8f3b5936e1b0f8d1b1f1fac4e149b4344623..16632325dcb8038917edd9d3ca754d182d617728 100644
--- a/src/compiler/ruby_generator.cc
+++ b/src/compiler/ruby_generator.cc
@@ -57,8 +57,8 @@ namespace grpc_ruby_generator {
 namespace {
 
 // Prints out the method using the ruby gRPC DSL.
-void PrintMethod(const MethodDescriptor* method, const std::string& package,
-                 Printer* out) {
+void PrintMethod(const MethodDescriptor *method, const std::string &package,
+                 Printer *out) {
   std::string input_type = RubyTypeOf(method->input_type()->name(), package);
   if (method->client_streaming()) {
     input_type = "stream(" + input_type + ")";
@@ -75,8 +75,8 @@ void PrintMethod(const MethodDescriptor* method, const std::string& package,
 }
 
 // Prints out the service using the ruby gRPC DSL.
-void PrintService(const ServiceDescriptor* service, const std::string& package,
-                  Printer* out) {
+void PrintService(const ServiceDescriptor *service, const std::string &package,
+                  Printer *out) {
   if (service->method_count() == 0) {
     return;
   }
@@ -125,7 +125,7 @@ void PrintService(const ServiceDescriptor* service, const std::string& package,
 
 }  // namespace
 
-std::string GetServices(const FileDescriptor* file) {
+std::string GetServices(const FileDescriptor *file) {
   std::string output;
   StringOutputStream output_stream(&output);
   Printer out(&output_stream, '$');
diff --git a/src/compiler/ruby_generator.h b/src/compiler/ruby_generator.h
index 0306536d08a41adfd7ec8fb7cd1d6e4f7ec4304b..89d7a0b92a9f5c9942660a4a68b12bb69490bc61 100644
--- a/src/compiler/ruby_generator.h
+++ b/src/compiler/ruby_generator.h
@@ -44,7 +44,7 @@ class FileDescriptor;
 
 namespace grpc_ruby_generator {
 
-std::string GetServices(const google::protobuf::FileDescriptor* file);
+std::string GetServices(const google::protobuf::FileDescriptor *file);
 
 }  // namespace grpc_ruby_generator
 
diff --git a/src/compiler/ruby_generator_helpers-inl.h b/src/compiler/ruby_generator_helpers-inl.h
index 7b973ed9ebe25cf8f334ff6379d8df9e49053b3f..0034f5ef569bd9d64f22cfb17496606e10728ad3 100644
--- a/src/compiler/ruby_generator_helpers-inl.h
+++ b/src/compiler/ruby_generator_helpers-inl.h
@@ -41,8 +41,8 @@
 
 namespace grpc_ruby_generator {
 
-inline bool ServicesFilename(const google::protobuf::FileDescriptor* file,
-                             std::string* file_name_or_error) {
+inline bool ServicesFilename(const google::protobuf::FileDescriptor *file,
+                             std::string *file_name_or_error) {
   // Get output file name.
   static const unsigned proto_suffix_length = 6;  // length of ".proto"
   if (file->name().size() > proto_suffix_length &&
@@ -58,7 +58,7 @@ inline bool ServicesFilename(const google::protobuf::FileDescriptor* file,
 }
 
 inline std::string MessagesRequireName(
-    const google::protobuf::FileDescriptor* file) {
+    const google::protobuf::FileDescriptor *file) {
   return Replace(file->name(), ".proto", "");
 }
 
diff --git a/src/compiler/ruby_generator_map-inl.h b/src/compiler/ruby_generator_map-inl.h
index a49650a2f7b6c7bf1e0a7aca0e6b0391fa1a938c..fea9c2e2fac616c40c0ae2e96d46ebc90eb719f2 100644
--- a/src/compiler/ruby_generator_map-inl.h
+++ b/src/compiler/ruby_generator_map-inl.h
@@ -49,7 +49,7 @@ namespace grpc_ruby_generator {
 // Converts an initializer list of the form { key0, value0, key1, value1, ... }
 // into a map of key* to value*. Is merely a readability helper for later code.
 inline std::map<std::string, std::string> ListToDict(
-    const initializer_list<std::string>& values) {
+    const initializer_list<std::string> &values) {
   if (values.size() % 2 != 0) {
     // MOE: insert     std::cerr << "Not every 'key' has a value in `values`."
     // << std::endl;
diff --git a/src/compiler/ruby_generator_string-inl.h b/src/compiler/ruby_generator_string-inl.h
index a253f78d49a9353f709afb4ccb43726d56df19b2..d24a61b9f5f976c20d3feb9416c9f815d148c33d 100644
--- a/src/compiler/ruby_generator_string-inl.h
+++ b/src/compiler/ruby_generator_string-inl.h
@@ -45,8 +45,8 @@ using std::transform;
 namespace grpc_ruby_generator {
 
 // Split splits a string using char into elems.
-inline std::vector<std::string>& Split(const std::string& s, char delim,
-                                       std::vector<std::string>* elems) {
+inline std::vector<std::string> &Split(const std::string &s, char delim,
+                                       std::vector<std::string> *elems) {
   std::stringstream ss(s);
   std::string item;
   while (getline(ss, item, delim)) {
@@ -56,15 +56,15 @@ inline std::vector<std::string>& Split(const std::string& s, char delim,
 }
 
 // Split splits a string using char, returning the result in a vector.
-inline std::vector<std::string> Split(const std::string& s, char delim) {
+inline std::vector<std::string> Split(const std::string &s, char delim) {
   std::vector<std::string> elems;
   Split(s, delim, &elems);
   return elems;
 }
 
 // Replace replaces from with to in s.
-inline std::string Replace(std::string s, const std::string& from,
-                           const std::string& to) {
+inline std::string Replace(std::string s, const std::string &from,
+                           const std::string &to) {
   size_t start_pos = s.find(from);
   if (start_pos == std::string::npos) {
     return s;
@@ -74,8 +74,8 @@ inline std::string Replace(std::string s, const std::string& from,
 }
 
 // ReplaceAll replaces all instances of search with replace in s.
-inline std::string ReplaceAll(std::string s, const std::string& search,
-                              const std::string& replace) {
+inline std::string ReplaceAll(std::string s, const std::string &search,
+                              const std::string &replace) {
   size_t pos = 0;
   while ((pos = s.find(search, pos)) != std::string::npos) {
     s.replace(pos, search.length(), replace);
@@ -85,8 +85,8 @@ inline std::string ReplaceAll(std::string s, const std::string& search,
 }
 
 // ReplacePrefix replaces from with to in s if search is a prefix of s.
-inline bool ReplacePrefix(std::string* s, const std::string& from,
-                          const std::string& to) {
+inline bool ReplacePrefix(std::string *s, const std::string &from,
+                          const std::string &to) {
   size_t start_pos = s->find(from);
   if (start_pos == std::string::npos || start_pos != 0) {
     return false;
@@ -105,8 +105,8 @@ inline std::string CapitalizeFirst(std::string s) {
 }
 
 // RubyTypeOf updates a proto type to the required ruby equivalent.
-inline std::string RubyTypeOf(const std::string& a_type,
-                              const std::string& package) {
+inline std::string RubyTypeOf(const std::string &a_type,
+                              const std::string &package) {
   std::string res(a_type);
   ReplacePrefix(&res, package, "");  // remove the leading package if present
   ReplacePrefix(&res, ".", "");      // remove the leading . (no package)
diff --git a/src/compiler/ruby_plugin.cc b/src/compiler/ruby_plugin.cc
index 86c0e11e1c16710cff5fe6d74cbad72be7b20923..9397452f55ea60f037933e70da77395c68f28d81 100644
--- a/src/compiler/ruby_plugin.cc
+++ b/src/compiler/ruby_plugin.cc
@@ -52,10 +52,10 @@ class RubyGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
   RubyGrpcGenerator() {}
   ~RubyGrpcGenerator() override {}
 
-  bool Generate(const google::protobuf::FileDescriptor* file,
-                const std::string& parameter,
-                google::protobuf::compiler::GeneratorContext* context,
-                std::string* error) const override {
+  bool Generate(const google::protobuf::FileDescriptor *file,
+                const std::string &parameter,
+                google::protobuf::compiler::GeneratorContext *context,
+                std::string *error) const override {
     std::string code = grpc_ruby_generator::GetServices(file);
     if (code.size() == 0) {
       return true;  // don't generate a file if there are no services
@@ -74,7 +74,7 @@ class RubyGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
   }
 };
 
-int main(int argc, char* argv[]) {
+int main(int argc, char *argv[]) {
   RubyGrpcGenerator generator;
   return google::protobuf::compiler::PluginMain(argc, argv, &generator);
 }
diff --git a/src/core/channel/census_filter.c b/src/core/channel/census_filter.c
index 2799bded8a6e4d0a054de64e9be89ef56cb391d0..ed60f0a5f6ea5c696be1f86030580cdf3c8ff963 100644
--- a/src/core/channel/census_filter.c
+++ b/src/core/channel/census_filter.c
@@ -178,19 +178,19 @@ static void destroy_channel_elem(grpc_channel_element* elem) {
 }
 
 const grpc_channel_filter grpc_client_census_filter = {
-    client_call_op, channel_op,
+    client_call_op,       channel_op,
 
-    sizeof(call_data), client_init_call_elem, client_destroy_call_elem,
+    sizeof(call_data),    client_init_call_elem, client_destroy_call_elem,
 
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    sizeof(channel_data), init_channel_elem,     destroy_channel_elem,
 
     "census-client"};
 
 const grpc_channel_filter grpc_server_census_filter = {
-    server_call_op, channel_op,
+    server_call_op,       channel_op,
 
-    sizeof(call_data), server_init_call_elem, server_destroy_call_elem,
+    sizeof(call_data),    server_init_call_elem, server_destroy_call_elem,
 
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    sizeof(channel_data), init_channel_elem,     destroy_channel_elem,
 
     "census-server"};
diff --git a/src/core/channel/channel_stack.c b/src/core/channel/channel_stack.c
index 14fc8007785c0e98da55bd846a9dedba256daf6a..5ee412bf7d0cc57d5c8bfaf5caffaf58e376a837 100644
--- a/src/core/channel/channel_stack.c
+++ b/src/core/channel/channel_stack.c
@@ -54,7 +54,7 @@
 
 /* Given a size, round up to the next multiple of sizeof(void*) */
 #define ROUND_UP_TO_ALIGNMENT_SIZE(x) \
-  (((x) + GPR_MAX_ALIGNMENT - 1) & ~(GPR_MAX_ALIGNMENT - 1))
+  (((x)+GPR_MAX_ALIGNMENT - 1) & ~(GPR_MAX_ALIGNMENT - 1))
 
 size_t grpc_channel_stack_size(const grpc_channel_filter **filters,
                                size_t filter_count) {
@@ -190,13 +190,14 @@ void grpc_channel_next_op(grpc_channel_element *elem, grpc_channel_op *op) {
 
 grpc_channel_stack *grpc_channel_stack_from_top_element(
     grpc_channel_element *elem) {
-  return (grpc_channel_stack *)((char *)(elem)-ROUND_UP_TO_ALIGNMENT_SIZE(
-      sizeof(grpc_channel_stack)));
+  return (grpc_channel_stack *)((char *)(elem) -
+                                ROUND_UP_TO_ALIGNMENT_SIZE(
+                                    sizeof(grpc_channel_stack)));
 }
 
 grpc_call_stack *grpc_call_stack_from_top_element(grpc_call_element *elem) {
-  return (grpc_call_stack *)((char *)(elem)-ROUND_UP_TO_ALIGNMENT_SIZE(
-      sizeof(grpc_call_stack)));
+  return (grpc_call_stack *)((char *)(elem) - ROUND_UP_TO_ALIGNMENT_SIZE(
+                                                  sizeof(grpc_call_stack)));
 }
 
 static void do_nothing(void *user_data, grpc_op_error error) {}
diff --git a/src/core/channel/child_channel.c b/src/core/channel/child_channel.c
index 3778f4fb88f2402a1a326e6fd13b9dc7e86224ea..f400e9b6705ec136c0428b4fc8e28874e75dc432 100644
--- a/src/core/channel/child_channel.c
+++ b/src/core/channel/child_channel.c
@@ -165,9 +165,9 @@ static void lb_destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_child_channel_top_filter = {
-    lb_call_op, lb_channel_op,
+    lb_call_op,              lb_channel_op,
 
-    sizeof(lb_call_data), lb_init_call_elem, lb_destroy_call_elem,
+    sizeof(lb_call_data),    lb_init_call_elem,    lb_destroy_call_elem,
 
     sizeof(lb_channel_data), lb_init_channel_elem, lb_destroy_channel_elem,
 
diff --git a/src/core/channel/client_channel.c b/src/core/channel/client_channel.c
index 46283835a05ad03e3979649128bea0c210708e53..fa75561c78b6946d0e859a3604f91ef0283ba052 100644
--- a/src/core/channel/client_channel.c
+++ b/src/core/channel/client_channel.c
@@ -450,9 +450,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_client_channel_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/channel/connected_channel.c b/src/core/channel/connected_channel.c
index 30de10905ce0091212f04228e0299e5380a5413c..e01cb81a890e486fe25f3692af28aa102623d059 100644
--- a/src/core/channel/connected_channel.c
+++ b/src/core/channel/connected_channel.c
@@ -69,7 +69,7 @@ typedef struct {
 /* We perform a small hack to locate transport data alongside the connected
    channel data in call allocations, to allow everything to be pulled in minimal
    cache line requests */
-#define TRANSPORT_STREAM_FROM_CALL_DATA(calld) ((grpc_stream *)((calld) + 1))
+#define TRANSPORT_STREAM_FROM_CALL_DATA(calld) ((grpc_stream *)((calld)+1))
 #define CALL_DATA_FROM_TRANSPORT_STREAM(transport_stream) \
   (((call_data *)(transport_stream)) - 1)
 
@@ -257,9 +257,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_connected_channel_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/channel/http_client_filter.c b/src/core/channel/http_client_filter.c
index ab9d3aff16b5432aa020578ee3dd0214d233ad53..b139b72795fd77c1df70ee676fdc586b5025ef3d 100644
--- a/src/core/channel/http_client_filter.c
+++ b/src/core/channel/http_client_filter.c
@@ -178,9 +178,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_http_client_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/channel/http_filter.c b/src/core/channel/http_filter.c
index 6cfe34695c4d933a17feb9bcd0fbd70d933c44da..846f7b9713a22b74e0924c1ee2ce6991480b4e32 100644
--- a/src/core/channel/http_filter.c
+++ b/src/core/channel/http_filter.c
@@ -132,9 +132,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_http_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/channel/http_server_filter.c b/src/core/channel/http_server_filter.c
index 44eab43f09d7968c1223416140ca038ef4dddd37..19b9606b433160edab164b06d4f97ebc1be8a2e8 100644
--- a/src/core/channel/http_server_filter.c
+++ b/src/core/channel/http_server_filter.c
@@ -244,9 +244,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_http_server_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/channel/metadata_buffer.c b/src/core/channel/metadata_buffer.c
index d4de4ba576c04332c8a35af3887d811eae7968ce..75fd90b707dbb9fe4ecaba00bfd5fbf36baa3fd7 100644
--- a/src/core/channel/metadata_buffer.c
+++ b/src/core/channel/metadata_buffer.c
@@ -61,7 +61,7 @@ struct grpc_metadata_buffer_impl {
   size_t elem_cap;
 };
 
-#define ELEMS(buffer) ((qelem *)((buffer) + 1))
+#define ELEMS(buffer) ((qelem *)((buffer)+1))
 
 void grpc_metadata_buffer_init(grpc_metadata_buffer *buffer) {
   /* start buffer as NULL, indicating no elements */
diff --git a/src/core/channel/noop_filter.c b/src/core/channel/noop_filter.c
index 6f854a2b8716c8b8f030e58ce32191b045baf798..b6b3f661f7b49d3fb2ebc6dfd978c8924ca5d52b 100644
--- a/src/core/channel/noop_filter.c
+++ b/src/core/channel/noop_filter.c
@@ -131,9 +131,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_no_op_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/security/auth.c b/src/core/security/auth.c
index e36bf2382f73fb05c174bffc4f09574eb486d16a..f743b2583827e24c40c79397ea41a63b1c88594f 100644
--- a/src/core/security/auth.c
+++ b/src/core/security/auth.c
@@ -157,5 +157,6 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 const grpc_channel_filter grpc_client_auth_filter = {
-    call_op, channel_op, sizeof(call_data), init_call_elem, destroy_call_elem,
-    sizeof(channel_data), init_channel_elem, destroy_channel_elem, "auth"};
+    call_op,           channel_op,           sizeof(call_data),
+    init_call_elem,    destroy_call_elem,    sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, "auth"};
diff --git a/src/core/security/security_context.c b/src/core/security/security_context.c
index 421b81fd3628fa95804b648e3fe6f2f65a42c82a..3a70f44a0a109c11c8d6d7dc286e70106dbc8be3 100644
--- a/src/core/security/security_context.c
+++ b/src/core/security/security_context.c
@@ -413,10 +413,10 @@ grpc_security_status grpc_ssl_server_security_context_create(
       (const unsigned char **)&config->pem_private_key,
       &config->pem_private_key_size,
       (const unsigned char **)&config->pem_cert_chain,
-      &config->pem_cert_chain_size, 1,
-      config->pem_root_certs, config->pem_root_certs_size,
-      GRPC_SSL_CIPHER_SUITES, alpn_protocol_strings,
-      alpn_protocol_string_lengths, num_alpn_protocols, &c->handshaker_factory);
+      &config->pem_cert_chain_size, 1, config->pem_root_certs,
+      config->pem_root_certs_size, GRPC_SSL_CIPHER_SUITES,
+      alpn_protocol_strings, alpn_protocol_string_lengths, num_alpn_protocols,
+      &c->handshaker_factory);
   if (result != TSI_OK) {
     gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.",
             tsi_result_to_string(result));
diff --git a/src/core/statistics/census_rpc_stats.c b/src/core/statistics/census_rpc_stats.c
index 2db3054a0d094da7562c54d5aa5ac37e20b95bce..39094b5f65a2b323abba0141f840e5bcb7bb13aa 100644
--- a/src/core/statistics/census_rpc_stats.c
+++ b/src/core/statistics/census_rpc_stats.c
@@ -85,8 +85,9 @@ static void delete_key(void* key) { gpr_free(key); }
 
 static const census_ht_option ht_opt = {
     CENSUS_HT_POINTER /* key type */, 1999 /* n_of_buckets */,
-    simple_hash /* hash function */,  cmp_str_keys /* key comparator */,
-    delete_stats /* data deleter */,  delete_key /* key deleter */};
+    simple_hash /* hash function */, cmp_str_keys /* key comparator */,
+    delete_stats /* data deleter */, delete_key /* key deleter */
+};
 
 static void init_rpc_stats(void* stats) {
   memset(stats, 0, sizeof(census_rpc_stats));
diff --git a/src/core/statistics/census_tracing.c b/src/core/statistics/census_tracing.c
index 8c7cf116426f01ba72bad0f91cd5175084094a8d..1e616020715176622c384c675effae1083b99055 100644
--- a/src/core/statistics/census_tracing.c
+++ b/src/core/statistics/census_tracing.c
@@ -76,7 +76,8 @@ static void delete_trace_obj(void* obj) { trace_obj_destroy((trace_obj*)obj); }
 static const census_ht_option ht_opt = {
     CENSUS_HT_UINT64 /* key type*/, 571 /* n_of_buckets */, NULL /* hash */,
     NULL /* compare_keys */, delete_trace_obj /* delete data */,
-    NULL /* delete key */};
+    NULL /* delete key */
+};
 
 static gpr_once g_init_mutex_once = GPR_ONCE_INIT;
 static gpr_mu g_mu; /* Guards following two static variables. */
diff --git a/src/core/support/murmur_hash.c b/src/core/support/murmur_hash.c
index 5d30263e52160f00011bf5eb340a9f65862844c2..08b1eb80d8f637555f09b6e1d5f250c86ef21353 100644
--- a/src/core/support/murmur_hash.c
+++ b/src/core/support/murmur_hash.c
@@ -46,8 +46,8 @@
    handle aligned reads, do the conversion here */
 #define GETBLOCK32(p, i) (p)[(i)]
 
-gpr_uint32 gpr_murmur_hash3(const void* key, size_t len, gpr_uint32 seed) {
-  const gpr_uint8* data = (const gpr_uint8*)key;
+gpr_uint32 gpr_murmur_hash3(const void *key, size_t len, gpr_uint32 seed) {
+  const gpr_uint8 *data = (const gpr_uint8 *)key;
   const int nblocks = len / 4;
   int i;
 
@@ -57,8 +57,8 @@ gpr_uint32 gpr_murmur_hash3(const void* key, size_t len, gpr_uint32 seed) {
   const gpr_uint32 c1 = 0xcc9e2d51;
   const gpr_uint32 c2 = 0x1b873593;
 
-  const gpr_uint32* blocks = (const uint32_t*)(data + nblocks * 4);
-  const uint8_t* tail = (const uint8_t*)(data + nblocks * 4);
+  const gpr_uint32 *blocks = (const uint32_t *)(data + nblocks * 4);
+  const uint8_t *tail = (const uint8_t *)(data + nblocks * 4);
 
   /* body */
   for (i = -nblocks; i; i++) {
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index 26bfa02ad1d1dcda5dc4324cbfd5092384ee2ee1..46502fb6b1423fcdeb4f38251e52dca062c4b8db 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -198,7 +198,7 @@ struct grpc_call {
   gpr_refcount internal_refcount;
 };
 
-#define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1))
+#define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call)+1))
 #define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1)
 #define CALL_ELEM_FROM_CALL(call, idx) \
   grpc_call_stack_element(CALL_STACK_FROM_CALL(call), idx)
@@ -801,7 +801,7 @@ static gpr_uint32 decode_status(grpc_mdelem *md) {
   gpr_uint32 status;
   void *user_data = grpc_mdelem_get_user_data(md, destroy_status);
   if (user_data) {
-    status = ((gpr_uint32)(gpr_intptr)user_data) - STATUS_OFFSET;
+    status = ((gpr_uint32)(gpr_intptr) user_data) - STATUS_OFFSET;
   } else {
     if (!gpr_parse_bytes_to_uint32(grpc_mdstr_as_c_string(md->value),
                                    GPR_SLICE_LENGTH(md->value->slice),
diff --git a/src/core/surface/channel.c b/src/core/surface/channel.c
index a1bcea58ddb99ccb37456830614ce5654276497e..8ef13675fe37064caac6bf8d756d7d94ce5c8a1c 100644
--- a/src/core/surface/channel.c
+++ b/src/core/surface/channel.c
@@ -51,7 +51,7 @@ struct grpc_channel {
   grpc_mdstr *authority_string;
 };
 
-#define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1))
+#define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c)+1))
 
 grpc_channel *grpc_channel_create_from_filters(
     const grpc_channel_filter **filters, size_t num_filters,
diff --git a/src/core/surface/client.c b/src/core/surface/client.c
index 524b0718a94642df8c955d8580a18c455a6578e8..74c79bdf9b128a70410a43ca77484dfe5739b408 100644
--- a/src/core/surface/client.c
+++ b/src/core/surface/client.c
@@ -109,9 +109,9 @@ static void init_channel_elem(grpc_channel_element *elem,
 static void destroy_channel_elem(grpc_channel_element *elem) {}
 
 const grpc_channel_filter grpc_client_surface_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/surface/lame_client.c b/src/core/surface/lame_client.c
index 5fa3e42362c1af766b585b47917c43f4c29aa438..a5244dbe61f10a52f26a948e12152382da543222 100644
--- a/src/core/surface/lame_client.c
+++ b/src/core/surface/lame_client.c
@@ -111,9 +111,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 static const grpc_channel_filter lame_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index 846a00c94f47a1378a6686166c7f9735dcb559d7..cbdd3bfa30871f8a37ef171868f7ad30ffbefa86 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -411,9 +411,9 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
 }
 
 static const grpc_channel_filter server_surface_filter = {
-    call_op, channel_op,
+    call_op,              channel_op,
 
-    sizeof(call_data), init_call_elem, destroy_call_elem,
+    sizeof(call_data),    init_call_elem,    destroy_call_elem,
 
     sizeof(channel_data), init_channel_elem, destroy_channel_elem,
 
diff --git a/src/core/transport/chttp2/hpack_table.c b/src/core/transport/chttp2/hpack_table.c
index ae8bfa8009b373ab8196524ebf9e2e8ef4e8f255..8f2ebecfeb1a030ee9e3ed51b0f93ddb1861aaf3 100644
--- a/src/core/transport/chttp2/hpack_table.c
+++ b/src/core/transport/chttp2/hpack_table.c
@@ -43,68 +43,68 @@ static struct {
   const char *key;
   const char *value;
 } static_table[] = {
-    /* 0: */ {NULL, NULL},
-    /* 1: */ {":authority", ""},
-    /* 2: */ {":method", "GET"},
-    /* 3: */ {":method", "POST"},
-    /* 4: */ {":path", "/"},
-    /* 5: */ {":path", "/index.html"},
-    /* 6: */ {":scheme", "http"},
-    /* 7: */ {":scheme", "https"},
-    /* 8: */ {":status", "200"},
-    /* 9: */ {":status", "204"},
-    /* 10: */ {":status", "206"},
-    /* 11: */ {":status", "304"},
-    /* 12: */ {":status", "400"},
-    /* 13: */ {":status", "404"},
-    /* 14: */ {":status", "500"},
-    /* 15: */ {"accept-charset", ""},
-    /* 16: */ {"accept-encoding", "gzip, deflate"},
-    /* 17: */ {"accept-language", ""},
-    /* 18: */ {"accept-ranges", ""},
-    /* 19: */ {"accept", ""},
-    /* 20: */ {"access-control-allow-origin", ""},
-    /* 21: */ {"age", ""},
-    /* 22: */ {"allow", ""},
-    /* 23: */ {"authorization", ""},
-    /* 24: */ {"cache-control", ""},
-    /* 25: */ {"content-disposition", ""},
-    /* 26: */ {"content-encoding", ""},
-    /* 27: */ {"content-language", ""},
-    /* 28: */ {"content-length", ""},
-    /* 29: */ {"content-location", ""},
-    /* 30: */ {"content-range", ""},
-    /* 31: */ {"content-type", ""},
-    /* 32: */ {"cookie", ""},
-    /* 33: */ {"date", ""},
-    /* 34: */ {"etag", ""},
-    /* 35: */ {"expect", ""},
-    /* 36: */ {"expires", ""},
-    /* 37: */ {"from", ""},
-    /* 38: */ {"host", ""},
-    /* 39: */ {"if-match", ""},
-    /* 40: */ {"if-modified-since", ""},
-    /* 41: */ {"if-none-match", ""},
-    /* 42: */ {"if-range", ""},
-    /* 43: */ {"if-unmodified-since", ""},
-    /* 44: */ {"last-modified", ""},
-    /* 45: */ {"link", ""},
-    /* 46: */ {"location", ""},
-    /* 47: */ {"max-forwards", ""},
-    /* 48: */ {"proxy-authenticate", ""},
-    /* 49: */ {"proxy-authorization", ""},
-    /* 50: */ {"range", ""},
-    /* 51: */ {"referer", ""},
-    /* 52: */ {"refresh", ""},
-    /* 53: */ {"retry-after", ""},
-    /* 54: */ {"server", ""},
-    /* 55: */ {"set-cookie", ""},
-    /* 56: */ {"strict-transport-security", ""},
-    /* 57: */ {"transfer-encoding", ""},
-    /* 58: */ {"user-agent", ""},
-    /* 59: */ {"vary", ""},
-    /* 60: */ {"via", ""},
-    /* 61: */ {"www-authenticate", ""},
+      /* 0: */ {NULL, NULL},
+      /* 1: */ {":authority", ""},
+      /* 2: */ {":method", "GET"},
+      /* 3: */ {":method", "POST"},
+      /* 4: */ {":path", "/"},
+      /* 5: */ {":path", "/index.html"},
+      /* 6: */ {":scheme", "http"},
+      /* 7: */ {":scheme", "https"},
+      /* 8: */ {":status", "200"},
+      /* 9: */ {":status", "204"},
+      /* 10: */ {":status", "206"},
+      /* 11: */ {":status", "304"},
+      /* 12: */ {":status", "400"},
+      /* 13: */ {":status", "404"},
+      /* 14: */ {":status", "500"},
+      /* 15: */ {"accept-charset", ""},
+      /* 16: */ {"accept-encoding", "gzip, deflate"},
+      /* 17: */ {"accept-language", ""},
+      /* 18: */ {"accept-ranges", ""},
+      /* 19: */ {"accept", ""},
+      /* 20: */ {"access-control-allow-origin", ""},
+      /* 21: */ {"age", ""},
+      /* 22: */ {"allow", ""},
+      /* 23: */ {"authorization", ""},
+      /* 24: */ {"cache-control", ""},
+      /* 25: */ {"content-disposition", ""},
+      /* 26: */ {"content-encoding", ""},
+      /* 27: */ {"content-language", ""},
+      /* 28: */ {"content-length", ""},
+      /* 29: */ {"content-location", ""},
+      /* 30: */ {"content-range", ""},
+      /* 31: */ {"content-type", ""},
+      /* 32: */ {"cookie", ""},
+      /* 33: */ {"date", ""},
+      /* 34: */ {"etag", ""},
+      /* 35: */ {"expect", ""},
+      /* 36: */ {"expires", ""},
+      /* 37: */ {"from", ""},
+      /* 38: */ {"host", ""},
+      /* 39: */ {"if-match", ""},
+      /* 40: */ {"if-modified-since", ""},
+      /* 41: */ {"if-none-match", ""},
+      /* 42: */ {"if-range", ""},
+      /* 43: */ {"if-unmodified-since", ""},
+      /* 44: */ {"last-modified", ""},
+      /* 45: */ {"link", ""},
+      /* 46: */ {"location", ""},
+      /* 47: */ {"max-forwards", ""},
+      /* 48: */ {"proxy-authenticate", ""},
+      /* 49: */ {"proxy-authorization", ""},
+      /* 50: */ {"range", ""},
+      /* 51: */ {"referer", ""},
+      /* 52: */ {"refresh", ""},
+      /* 53: */ {"retry-after", ""},
+      /* 54: */ {"server", ""},
+      /* 55: */ {"set-cookie", ""},
+      /* 56: */ {"strict-transport-security", ""},
+      /* 57: */ {"transfer-encoding", ""},
+      /* 58: */ {"user-agent", ""},
+      /* 59: */ {"vary", ""},
+      /* 60: */ {"via", ""},
+      /* 61: */ {"www-authenticate", ""},
 };
 
 void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl, grpc_mdctx *mdctx) {
diff --git a/src/core/transport/chttp2/varint.h b/src/core/transport/chttp2/varint.h
index 940df00a993c083c4ada2262daa2e8655ac3cdff..55f92af3d6eb6e3381cfebe6cb3fa0f713f4e27b 100644
--- a/src/core/transport/chttp2/varint.h
+++ b/src/core/transport/chttp2/varint.h
@@ -58,16 +58,16 @@ void grpc_chttp2_hpack_write_varint_tail(gpr_uint32 tail_value,
        : grpc_chttp2_hpack_varint_length(         \
              (n)-GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits)))
 
-#define GRPC_CHTTP2_WRITE_VARINT(n, prefix_bits, prefix_or, target, length)   \
-  do {                                                                        \
-    gpr_uint8* tgt = target;                                                  \
-    if ((length) == 1) {                                                      \
-      (tgt)[0] = (prefix_or) | (n);                                           \
-    } else {                                                                  \
-      (tgt)[0] = (prefix_or) | GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits);        \
-      grpc_chttp2_hpack_write_varint_tail(                                    \
-          (n)-GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits), (tgt) + 1, (length)-1); \
-    }                                                                         \
+#define GRPC_CHTTP2_WRITE_VARINT(n, prefix_bits, prefix_or, target, length) \
+  do {                                                                      \
+    gpr_uint8* tgt = target;                                                \
+    if ((length) == 1) {                                                    \
+      (tgt)[0] = (prefix_or) | (n);                                         \
+    } else {                                                                \
+      (tgt)[0] = (prefix_or) | GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits);      \
+      grpc_chttp2_hpack_write_varint_tail(                                  \
+          (n)-GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits), (tgt)+1, (length)-1); \
+    }                                                                       \
   } while (0)
 
 #endif /* __GRPC_INTERNAL_TRANSPORT_CHTTP2_VARINT_H__ */
diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 26649132fd619227e864f34202c94dbc9b01f22d..e61afb71ae8d20d908ee4918b2e5bca48d073047 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -525,7 +525,7 @@ static int init_stream(grpc_transport *gt, grpc_stream *gs,
     lock(t);
     s->id = 0;
   } else {
-    s->id = (gpr_uint32)(gpr_uintptr)server_data;
+    s->id = (gpr_uint32)(gpr_uintptr) server_data;
     t->incoming_stream = s;
     grpc_chttp2_stream_map_add(&t->stream_map, s->id, s);
   }
@@ -1238,7 +1238,7 @@ static int init_header_frame_parser(transport *t, int is_continuation) {
     t->incoming_stream = NULL;
     /* if stream is accepted, we set incoming_stream in init_stream */
     t->cb->accept_stream(t->cb_user_data, &t->base,
-                         (void *)(gpr_uintptr)t->incoming_stream_id);
+                         (void *)(gpr_uintptr) t->incoming_stream_id);
     s = t->incoming_stream;
     if (!s) {
       gpr_log(GPR_ERROR, "stream not accepted");
@@ -1503,8 +1503,8 @@ static int process_read(transport *t, gpr_slice slice) {
                   "Connect string mismatch: expected '%c' (%d) got '%c' (%d) "
                   "at byte %d",
                   CLIENT_CONNECT_STRING[t->deframe_state],
-                  (int)(gpr_uint8)CLIENT_CONNECT_STRING[t->deframe_state], *cur,
-                  (int)*cur, t->deframe_state);
+                  (int)(gpr_uint8) CLIENT_CONNECT_STRING[t->deframe_state],
+                  *cur, (int)*cur, t->deframe_state);
           drop_connection(t);
           return 0;
         }
@@ -1738,9 +1738,9 @@ static void add_to_pollset(grpc_transport *gt, grpc_pollset *pollset) {
  */
 
 static const grpc_transport_vtable vtable = {
-    sizeof(stream), init_stream, send_batch, set_allow_window_updates,
-    add_to_pollset, destroy_stream, abort_stream, goaway, close_transport,
-    send_ping, destroy_transport};
+    sizeof(stream),  init_stream,    send_batch,       set_allow_window_updates,
+    add_to_pollset,  destroy_stream, abort_stream,     goaway,
+    close_transport, send_ping,      destroy_transport};
 
 void grpc_create_chttp2_transport(grpc_transport_setup_callback setup,
                                   void *arg,
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c
index 446329215fa75b53cd6585dc0b199bfe532c7f13..756b2173ecf3bef218a2ba8375eb352a77eec08c 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/tsi/fake_transport_security.c
@@ -120,7 +120,7 @@ static void store32_little_endian(gpr_uint32 value, unsigned char* buf) {
   buf[3] = (unsigned char)(value >> 24) & 0xFF;
   buf[2] = (unsigned char)(value >> 16) & 0xFF;
   buf[1] = (unsigned char)(value >> 8) & 0xFF;
-  buf[0] = (unsigned char)(value)&0xFF;
+  buf[0] = (unsigned char)(value) & 0xFF;
 }
 
 static void tsi_fake_frame_reset(tsi_fake_frame* frame, int needs_draining) {
@@ -230,10 +230,11 @@ static void tsi_fake_frame_destruct(tsi_fake_frame* frame) {
 
 /* --- tsi_frame_protector methods implementation. ---*/
 
-static tsi_result fake_protector_protect(
-    tsi_frame_protector* self, const unsigned char* unprotected_bytes,
-    size_t* unprotected_bytes_size, unsigned char* protected_output_frames,
-    size_t* protected_output_frames_size) {
+static tsi_result fake_protector_protect(tsi_frame_protector* self,
+                                         const unsigned char* unprotected_bytes,
+                                         size_t* unprotected_bytes_size,
+                                         unsigned char* protected_output_frames,
+                                         size_t* protected_output_frames_size) {
   tsi_result result = TSI_OK;
   tsi_fake_frame_protector* impl = (tsi_fake_frame_protector*)self;
   unsigned char frame_header[TSI_FAKE_FRAME_HEADER_SIZE];
@@ -480,8 +481,10 @@ static void fake_handshaker_destroy(tsi_handshaker* self) {
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     fake_handshaker_get_bytes_to_send_to_peer,
-    fake_handshaker_process_bytes_from_peer, fake_handshaker_get_result,
-    fake_handshaker_extract_peer, fake_handshaker_create_frame_protector,
+    fake_handshaker_process_bytes_from_peer,
+    fake_handshaker_get_result,
+    fake_handshaker_extract_peer,
+    fake_handshaker_create_frame_protector,
     fake_handshaker_destroy,
 };
 
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c
index 02af080a3108f511a4ecf257f03d71557f71eb7c..1159254a8c7659240be499522a42771c50cb31e5 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/tsi/ssl_transport_security.c
@@ -573,10 +573,11 @@ static tsi_result build_alpn_protocol_name_list(
 
 /* --- tsi_frame_protector methods implementation. ---*/
 
-static tsi_result ssl_protector_protect(
-    tsi_frame_protector* self, const unsigned char* unprotected_bytes,
-    size_t* unprotected_bytes_size, unsigned char* protected_output_frames,
-    size_t* protected_output_frames_size) {
+static tsi_result ssl_protector_protect(tsi_frame_protector* self,
+                                        const unsigned char* unprotected_bytes,
+                                        size_t* unprotected_bytes_size,
+                                        unsigned char* protected_output_frames,
+                                        size_t* protected_output_frames_size) {
   tsi_ssl_frame_protector* impl = (tsi_ssl_frame_protector*)self;
   int read_from_ssl;
   size_t available;
@@ -707,8 +708,9 @@ static const tsi_frame_protector_vtable frame_protector_vtable = {
 
 /* --- tsi_handshaker methods implementation. ---*/
 
-static tsi_result ssl_handshaker_get_bytes_to_send_to_peer(
-    tsi_handshaker* self, unsigned char* bytes, size_t* bytes_size) {
+static tsi_result ssl_handshaker_get_bytes_to_send_to_peer(tsi_handshaker* self,
+                                                           unsigned char* bytes,
+                                                           size_t* bytes_size) {
   tsi_ssl_handshaker* impl = (tsi_ssl_handshaker*)self;
   int bytes_read_from_ssl = 0;
   if (bytes == NULL || bytes_size == NULL || *bytes_size == 0 ||
@@ -871,8 +873,10 @@ static void ssl_handshaker_destroy(tsi_handshaker* self) {
 
 static const tsi_handshaker_vtable handshaker_vtable = {
     ssl_handshaker_get_bytes_to_send_to_peer,
-    ssl_handshaker_process_bytes_from_peer, ssl_handshaker_get_result,
-    ssl_handshaker_extract_peer, ssl_handshaker_create_frame_protector,
+    ssl_handshaker_process_bytes_from_peer,
+    ssl_handshaker_get_result,
+    ssl_handshaker_extract_peer,
+    ssl_handshaker_create_frame_protector,
     ssl_handshaker_destroy,
 };
 
@@ -1157,8 +1161,7 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
 
 tsi_result tsi_create_ssl_server_handshaker_factory(
     const unsigned char** pem_private_keys,
-    const size_t* pem_private_keys_sizes,
-    const unsigned char** pem_cert_chains,
+    const size_t* pem_private_keys_sizes, const unsigned char** pem_cert_chains,
     const size_t* pem_cert_chains_sizes, size_t key_cert_pair_count,
     const unsigned char* pem_client_root_certs,
     size_t pem_client_root_certs_size, const char* cipher_list,
diff --git a/src/core/tsi/ssl_transport_security.h b/src/core/tsi/ssl_transport_security.h
index 9c839b9d3a768ef0fc98865112365ef2f0b37143..3a33deacac55871ce9f46001095df5c20a99e357 100644
--- a/src/core/tsi/ssl_transport_security.h
+++ b/src/core/tsi/ssl_transport_security.h
@@ -132,8 +132,7 @@ tsi_result tsi_create_ssl_client_handshaker_factory(
      where a parameter is invalid.  */
 tsi_result tsi_create_ssl_server_handshaker_factory(
     const unsigned char** pem_private_keys,
-    const size_t* pem_private_keys_sizes,
-    const unsigned char** pem_cert_chains,
+    const size_t* pem_private_keys_sizes, const unsigned char** pem_cert_chains,
     const size_t* pem_cert_chains_sizes, size_t key_cert_pair_count,
     const unsigned char* pem_client_root_certs,
     size_t pem_client_root_certs_size, const char* cipher_suites,
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index ddda8c22d6d5777275cc5d758b663de43394f601..a8919a10d9d0d4d899c7fd6dfec490ec0a5feae6 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -53,7 +53,7 @@
 
 namespace grpc {
 
-Channel::Channel(const grpc::string& target, const ChannelArguments& args)
+Channel::Channel(const grpc::string &target, const ChannelArguments &args)
     : target_(target) {
   grpc_channel_args channel_args;
   args.SetChannelArgs(&channel_args);
@@ -61,15 +61,15 @@ Channel::Channel(const grpc::string& target, const ChannelArguments& args)
       target_.c_str(), channel_args.num_args > 0 ? &channel_args : nullptr);
 }
 
-Channel::Channel(const grpc::string& target,
-                 const std::unique_ptr<Credentials>& creds,
-                 const ChannelArguments& args)
+Channel::Channel(const grpc::string &target,
+                 const std::unique_ptr<Credentials> &creds,
+                 const ChannelArguments &args)
     : target_(args.GetSslTargetNameOverride().empty()
                   ? target
                   : args.GetSslTargetNameOverride()) {
   grpc_channel_args channel_args;
   args.SetChannelArgs(&channel_args);
-  grpc_credentials* c_creds = creds ? creds->GetRawCreds() : nullptr;
+  grpc_credentials *c_creds = creds ? creds->GetRawCreds() : nullptr;
   c_channel_ = grpc_secure_channel_create(
       c_creds, target.c_str(),
       channel_args.num_args > 0 ? &channel_args : nullptr);
@@ -79,9 +79,9 @@ Channel::~Channel() { grpc_channel_destroy(c_channel_); }
 
 namespace {
 // Pluck the finished event and set to status when it is not nullptr.
-void GetFinalStatus(grpc_completion_queue* cq, void* finished_tag,
-                    Status* status) {
-  grpc_event* ev =
+void GetFinalStatus(grpc_completion_queue *cq, void *finished_tag,
+                    Status *status) {
+  grpc_event *ev =
       grpc_completion_queue_pluck(cq, finished_tag, gpr_inf_future);
   if (status) {
     StatusCode error_code = static_cast<StatusCode>(ev->data.finished.status);
@@ -94,23 +94,23 @@ void GetFinalStatus(grpc_completion_queue* cq, void* finished_tag,
 }  // namespace
 
 // TODO(yangg) more error handling
-Status Channel::StartBlockingRpc(const RpcMethod& method,
-                                 ClientContext* context,
-                                 const google::protobuf::Message& request,
-                                 google::protobuf::Message* result) {
+Status Channel::StartBlockingRpc(const RpcMethod &method,
+                                 ClientContext *context,
+                                 const google::protobuf::Message &request,
+                                 google::protobuf::Message *result) {
   Status status;
-  grpc_call* call = grpc_channel_create_call(
+  grpc_call *call = grpc_channel_create_call(
       c_channel_, method.name(), target_.c_str(), context->RawDeadline());
   context->set_call(call);
-  grpc_event* ev;
-  void* finished_tag = reinterpret_cast<char*>(call);
-  void* invoke_tag = reinterpret_cast<char*>(call) + 1;
-  void* metadata_read_tag = reinterpret_cast<char*>(call) + 2;
-  void* write_tag = reinterpret_cast<char*>(call) + 3;
-  void* halfclose_tag = reinterpret_cast<char*>(call) + 4;
-  void* read_tag = reinterpret_cast<char*>(call) + 5;
+  grpc_event *ev;
+  void *finished_tag = reinterpret_cast<char *>(call);
+  void *invoke_tag = reinterpret_cast<char *>(call) + 1;
+  void *metadata_read_tag = reinterpret_cast<char *>(call) + 2;
+  void *write_tag = reinterpret_cast<char *>(call) + 3;
+  void *halfclose_tag = reinterpret_cast<char *>(call) + 4;
+  void *read_tag = reinterpret_cast<char *>(call) + 5;
 
-  grpc_completion_queue* cq = grpc_completion_queue_create();
+  grpc_completion_queue *cq = grpc_completion_queue_create();
   context->set_cq(cq);
   // add_metadata from context
   //
@@ -126,7 +126,7 @@ Status Channel::StartBlockingRpc(const RpcMethod& method,
     return status;
   }
   // write request
-  grpc_byte_buffer* write_buffer = nullptr;
+  grpc_byte_buffer *write_buffer = nullptr;
   success = SerializeProto(request, &write_buffer);
   if (!success) {
     grpc_call_cancel(call);
@@ -172,14 +172,14 @@ Status Channel::StartBlockingRpc(const RpcMethod& method,
   return status;
 }
 
-StreamContextInterface* Channel::CreateStream(
-    const RpcMethod& method, ClientContext* context,
-    const google::protobuf::Message* request,
-    google::protobuf::Message* result) {
-  grpc_call* call = grpc_channel_create_call(
+StreamContextInterface *Channel::CreateStream(
+    const RpcMethod &method, ClientContext *context,
+    const google::protobuf::Message *request,
+    google::protobuf::Message *result) {
+  grpc_call *call = grpc_channel_create_call(
       c_channel_, method.name(), target_.c_str(), context->RawDeadline());
   context->set_call(call);
-  grpc_completion_queue* cq = grpc_completion_queue_create();
+  grpc_completion_queue *cq = grpc_completion_queue_create();
   context->set_cq(cq);
   return new StreamContext(method, context, request, result);
 }
diff --git a/src/cpp/client/channel.h b/src/cpp/client/channel.h
index 8de1180ac29ae5103586d24fac99fbda288391bd..67d18bf4c890fbac886d2ae58b25963e53f8cd6f 100644
--- a/src/cpp/client/channel.h
+++ b/src/cpp/client/channel.h
@@ -48,24 +48,24 @@ class StreamContextInterface;
 
 class Channel : public ChannelInterface {
  public:
-  Channel(const grpc::string& target, const ChannelArguments& args);
-  Channel(const grpc::string& target, const std::unique_ptr<Credentials>& creds,
-          const ChannelArguments& args);
+  Channel(const grpc::string &target, const ChannelArguments &args);
+  Channel(const grpc::string &target, const std::unique_ptr<Credentials> &creds,
+          const ChannelArguments &args);
 
   ~Channel() override;
 
-  Status StartBlockingRpc(const RpcMethod& method, ClientContext* context,
-                          const google::protobuf::Message& request,
-                          google::protobuf::Message* result) override;
+  Status StartBlockingRpc(const RpcMethod &method, ClientContext *context,
+                          const google::protobuf::Message &request,
+                          google::protobuf::Message *result) override;
 
-  StreamContextInterface* CreateStream(
-      const RpcMethod& method, ClientContext* context,
-      const google::protobuf::Message* request,
-      google::protobuf::Message* result) override;
+  StreamContextInterface *CreateStream(
+      const RpcMethod &method, ClientContext *context,
+      const google::protobuf::Message *request,
+      google::protobuf::Message *result) override;
 
  private:
   const grpc::string target_;
-  grpc_channel* c_channel_;  // owned
+  grpc_channel *c_channel_;  // owned
 };
 
 }  // namespace grpc
diff --git a/src/cpp/client/channel_arguments.cc b/src/cpp/client/channel_arguments.cc
index eba9c1e76a74c798a68189ffb8018361b2f87876..70713f015f1a75e43e8de6478f08b0e712a5f0d1 100644
--- a/src/cpp/client/channel_arguments.cc
+++ b/src/cpp/client/channel_arguments.cc
@@ -37,7 +37,7 @@
 
 namespace grpc {
 
-void ChannelArguments::SetSslTargetNameOverride(const grpc::string& name) {
+void ChannelArguments::SetSslTargetNameOverride(const grpc::string &name) {
   SetString(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG, name);
 }
 
@@ -50,32 +50,32 @@ grpc::string ChannelArguments::GetSslTargetNameOverride() const {
   return "";
 }
 
-void ChannelArguments::SetInt(const grpc::string& key, int value) {
+void ChannelArguments::SetInt(const grpc::string &key, int value) {
   grpc_arg arg;
   arg.type = GRPC_ARG_INTEGER;
   strings_.push_back(key);
-  arg.key = const_cast<char*>(strings_.back().c_str());
+  arg.key = const_cast<char *>(strings_.back().c_str());
   arg.value.integer = value;
 
   args_.push_back(arg);
 }
 
-void ChannelArguments::SetString(const grpc::string& key,
-                                 const grpc::string& value) {
+void ChannelArguments::SetString(const grpc::string &key,
+                                 const grpc::string &value) {
   grpc_arg arg;
   arg.type = GRPC_ARG_STRING;
   strings_.push_back(key);
-  arg.key = const_cast<char*>(strings_.back().c_str());
+  arg.key = const_cast<char *>(strings_.back().c_str());
   strings_.push_back(value);
-  arg.value.string = const_cast<char*>(strings_.back().c_str());
+  arg.value.string = const_cast<char *>(strings_.back().c_str());
 
   args_.push_back(arg);
 }
 
-void ChannelArguments::SetChannelArgs(grpc_channel_args* channel_args) const {
+void ChannelArguments::SetChannelArgs(grpc_channel_args *channel_args) const {
   channel_args->num_args = args_.size();
   if (channel_args->num_args > 0) {
-    channel_args->args = const_cast<grpc_arg*>(&args_[0]);
+    channel_args->args = const_cast<grpc_arg *>(&args_[0]);
   }
 }
 
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 505b7d89b46a9925a5b01429d0bbe1f312f72f84..7bda2d07c317a03595d20eb309667a6d48fb21c4 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -50,7 +50,7 @@ ClientContext::~ClientContext() {
   if (cq_) {
     grpc_completion_queue_shutdown(cq_);
     // Drain cq_.
-    grpc_event* ev;
+    grpc_event *ev;
     grpc_completion_type t;
     do {
       ev = grpc_completion_queue_next(cq_, gpr_inf_future);
@@ -62,7 +62,7 @@ ClientContext::~ClientContext() {
 }
 
 void ClientContext::set_absolute_deadline(
-    const system_clock::time_point& deadline) {
+    const system_clock::time_point &deadline) {
   Timepoint2Timespec(deadline, &absolute_deadline_);
 }
 
@@ -70,8 +70,8 @@ system_clock::time_point ClientContext::absolute_deadline() {
   return Timespec2Timepoint(absolute_deadline_);
 }
 
-void ClientContext::AddMetadata(const grpc::string& meta_key,
-                                const grpc::string& meta_value) {
+void ClientContext::AddMetadata(const grpc::string &meta_key,
+                                const grpc::string &meta_value) {
   return;
 }
 
diff --git a/src/cpp/client/create_channel.cc b/src/cpp/client/create_channel.cc
index 1a88d7f2f19d3cfdb903e521def7f2f4363b859d..9cc5cff21485285c7766be5ed3a082a5ba3e5f24 100644
--- a/src/cpp/client/create_channel.cc
+++ b/src/cpp/client/create_channel.cc
@@ -40,14 +40,14 @@
 namespace grpc {
 class ChannelArguments;
 
-std::shared_ptr<ChannelInterface> CreateChannel(const grpc::string& target,
-                                                const ChannelArguments& args) {
+std::shared_ptr<ChannelInterface> CreateChannel(const grpc::string &target,
+                                                const ChannelArguments &args) {
   return std::shared_ptr<ChannelInterface>(new Channel(target, args));
 }
 
 std::shared_ptr<ChannelInterface> CreateChannel(
-    const grpc::string& target, const std::unique_ptr<Credentials>& creds,
-    const ChannelArguments& args) {
+    const grpc::string &target, const std::unique_ptr<Credentials> &creds,
+    const ChannelArguments &args) {
   return std::shared_ptr<ChannelInterface>(new Channel(target, creds, args));
 }
 }  // namespace grpc
diff --git a/src/cpp/client/credentials.cc b/src/cpp/client/credentials.cc
index d81cf9f4d0750d8a9534f945a342f1664f16d4f8..0955fa28aed49f4ea0cb8ffde2a9ae6d8d4de7bf 100644
--- a/src/cpp/client/credentials.cc
+++ b/src/cpp/client/credentials.cc
@@ -40,37 +40,37 @@
 
 namespace grpc {
 
-Credentials::Credentials(grpc_credentials* c_creds) : creds_(c_creds) {}
+Credentials::Credentials(grpc_credentials *c_creds) : creds_(c_creds) {}
 
 Credentials::~Credentials() { grpc_credentials_release(creds_); }
-grpc_credentials* Credentials::GetRawCreds() { return creds_; }
+grpc_credentials *Credentials::GetRawCreds() { return creds_; }
 
 std::unique_ptr<Credentials> CredentialsFactory::DefaultCredentials() {
-  grpc_credentials* c_creds = grpc_default_credentials_create();
+  grpc_credentials *c_creds = grpc_default_credentials_create();
   std::unique_ptr<Credentials> cpp_creds(new Credentials(c_creds));
   return cpp_creds;
 }
 
 // Builds SSL Credentials given SSL specific options
 std::unique_ptr<Credentials> CredentialsFactory::SslCredentials(
-    const SslCredentialsOptions& options) {
-  const unsigned char* pem_root_certs =
+    const SslCredentialsOptions &options) {
+  const unsigned char *pem_root_certs =
       options.pem_root_certs.empty() ? nullptr
-                                     : reinterpret_cast<const unsigned char*>(
+                                     : reinterpret_cast<const unsigned char *>(
                                            options.pem_root_certs.c_str());
   if (pem_root_certs == nullptr) {
     return std::unique_ptr<Credentials>();
   }
-  const unsigned char* pem_private_key =
+  const unsigned char *pem_private_key =
       options.pem_private_key.empty() ? nullptr
-                                      : reinterpret_cast<const unsigned char*>(
+                                      : reinterpret_cast<const unsigned char *>(
                                             options.pem_private_key.c_str());
-  const unsigned char* pem_cert_chain =
+  const unsigned char *pem_cert_chain =
       options.pem_cert_chain.empty() ? nullptr
-                                     : reinterpret_cast<const unsigned char*>(
+                                     : reinterpret_cast<const unsigned char *>(
                                            options.pem_cert_chain.c_str());
 
-  grpc_credentials* c_creds = grpc_ssl_credentials_create(
+  grpc_credentials *c_creds = grpc_ssl_credentials_create(
       pem_root_certs, options.pem_root_certs.size(), pem_private_key,
       options.pem_private_key.size(), pem_cert_chain,
       options.pem_cert_chain.size());
@@ -81,7 +81,7 @@ std::unique_ptr<Credentials> CredentialsFactory::SslCredentials(
 
 // Builds credentials for use when running in GCE
 std::unique_ptr<Credentials> CredentialsFactory::ComputeEngineCredentials() {
-  grpc_credentials* c_creds = grpc_compute_engine_credentials_create();
+  grpc_credentials *c_creds = grpc_compute_engine_credentials_create();
   std::unique_ptr<Credentials> cpp_creds(
       c_creds == nullptr ? nullptr : new Credentials(c_creds));
   return cpp_creds;
@@ -89,11 +89,11 @@ std::unique_ptr<Credentials> CredentialsFactory::ComputeEngineCredentials() {
 
 // Builds service account credentials.
 std::unique_ptr<Credentials> CredentialsFactory::ServiceAccountCredentials(
-    const grpc::string& json_key, const grpc::string& scope,
+    const grpc::string &json_key, const grpc::string &scope,
     std::chrono::seconds token_lifetime) {
   gpr_timespec lifetime = gpr_time_from_seconds(
       token_lifetime.count() > 0 ? token_lifetime.count() : 0);
-  grpc_credentials* c_creds = grpc_service_account_credentials_create(
+  grpc_credentials *c_creds = grpc_service_account_credentials_create(
       json_key.c_str(), scope.c_str(), lifetime);
   std::unique_ptr<Credentials> cpp_creds(
       c_creds == nullptr ? nullptr : new Credentials(c_creds));
@@ -102,9 +102,9 @@ std::unique_ptr<Credentials> CredentialsFactory::ServiceAccountCredentials(
 
 // Builds IAM credentials.
 std::unique_ptr<Credentials> CredentialsFactory::IAMCredentials(
-    const grpc::string& authorization_token,
-    const grpc::string& authority_selector) {
-  grpc_credentials* c_creds = grpc_iam_credentials_create(
+    const grpc::string &authorization_token,
+    const grpc::string &authority_selector) {
+  grpc_credentials *c_creds = grpc_iam_credentials_create(
       authorization_token.c_str(), authority_selector.c_str());
   std::unique_ptr<Credentials> cpp_creds(
       c_creds == nullptr ? nullptr : new Credentials(c_creds));
@@ -113,13 +113,13 @@ std::unique_ptr<Credentials> CredentialsFactory::IAMCredentials(
 
 // Combines two credentials objects into a composite credentials.
 std::unique_ptr<Credentials> CredentialsFactory::ComposeCredentials(
-    const std::unique_ptr<Credentials>& creds1,
-    const std::unique_ptr<Credentials>& creds2) {
+    const std::unique_ptr<Credentials> &creds1,
+    const std::unique_ptr<Credentials> &creds2) {
   // Note that we are not saving unique_ptrs to the two credentials
   // passed in here. This is OK because the underlying C objects (i.e.,
   // creds1 and creds2) into grpc_composite_credentials_create will see their
   // refcounts incremented.
-  grpc_credentials* c_creds = grpc_composite_credentials_create(
+  grpc_credentials *c_creds = grpc_composite_credentials_create(
       creds1->GetRawCreds(), creds2->GetRawCreds());
   std::unique_ptr<Credentials> cpp_creds(
       c_creds == nullptr ? nullptr : new Credentials(c_creds));
diff --git a/src/cpp/proto/proto_utils.cc b/src/cpp/proto/proto_utils.cc
index 3b94dc3c07f4ac06c02a900c5b7f15e234f0fa72..85f859b9eb54bdc1708729a82b4299afac14c8fc 100644
--- a/src/cpp/proto/proto_utils.cc
+++ b/src/cpp/proto/proto_utils.cc
@@ -40,8 +40,8 @@
 
 namespace grpc {
 
-bool SerializeProto(const google::protobuf::Message& msg,
-                    grpc_byte_buffer** bp) {
+bool SerializeProto(const google::protobuf::Message &msg,
+                    grpc_byte_buffer **bp) {
   grpc::string msg_str;
   bool success = msg.SerializeToString(&msg_str);
   if (success) {
@@ -53,13 +53,13 @@ bool SerializeProto(const google::protobuf::Message& msg,
   return success;
 }
 
-bool DeserializeProto(grpc_byte_buffer* buffer,
-                      google::protobuf::Message* msg) {
+bool DeserializeProto(grpc_byte_buffer *buffer,
+                      google::protobuf::Message *msg) {
   grpc::string msg_string;
-  grpc_byte_buffer_reader* reader = grpc_byte_buffer_reader_create(buffer);
+  grpc_byte_buffer_reader *reader = grpc_byte_buffer_reader_create(buffer);
   gpr_slice slice;
   while (grpc_byte_buffer_reader_next(reader, &slice)) {
-    const char* data = reinterpret_cast<const char*>(
+    const char *data = reinterpret_cast<const char *>(
         slice.refcount ? slice.data.refcounted.bytes
                        : slice.data.inlined.bytes);
     msg_string.append(data, slice.refcount ? slice.data.refcounted.length
diff --git a/src/cpp/proto/proto_utils.h b/src/cpp/proto/proto_utils.h
index ea472f9c518659e6a4ff40c59018e08593e44fac..a611a227fa7468b1a6c72f016d622b67ce096941 100644
--- a/src/cpp/proto/proto_utils.h
+++ b/src/cpp/proto/proto_utils.h
@@ -46,11 +46,11 @@ namespace grpc {
 // Serialize the msg into a buffer created inside the function. The caller
 // should destroy the returned buffer when done with it. If serialization fails,
 // false is returned and buffer is left unchanged.
-bool SerializeProto(const google::protobuf::Message& msg,
-                    grpc_byte_buffer** buffer);
+bool SerializeProto(const google::protobuf::Message &msg,
+                    grpc_byte_buffer **buffer);
 
 // The caller keeps ownership of buffer and msg.
-bool DeserializeProto(grpc_byte_buffer* buffer, google::protobuf::Message* msg);
+bool DeserializeProto(grpc_byte_buffer *buffer, google::protobuf::Message *msg);
 
 }  // namespace grpc
 
diff --git a/src/cpp/server/async_server.cc b/src/cpp/server/async_server.cc
index aae2c8205040a9f5c96dd05aca128e3ff8364779..d576201b11fedd20f85cdad76748fdfe0a05b6ea 100644
--- a/src/cpp/server/async_server.cc
+++ b/src/cpp/server/async_server.cc
@@ -39,7 +39,7 @@
 
 namespace grpc {
 
-AsyncServer::AsyncServer(CompletionQueue* cc)
+AsyncServer::AsyncServer(CompletionQueue *cc)
     : started_(false), shutdown_(false) {
   server_ = grpc_server_create(cc->cq(), nullptr);
 }
@@ -53,7 +53,7 @@ AsyncServer::~AsyncServer() {
   grpc_server_destroy(server_);
 }
 
-void AsyncServer::AddPort(const grpc::string& addr) {
+void AsyncServer::AddPort(const grpc::string &addr) {
   GPR_ASSERT(!started_);
   int success = grpc_server_add_http2_port(server_, addr.c_str());
   GPR_ASSERT(success);
diff --git a/src/cpp/server/async_server_context.cc b/src/cpp/server/async_server_context.cc
index 298936dec9c4d54159bcf4238a7dc2b2aad164bf..92958111c0c7e26d02a3be3d3e3ce85b67ff5ddf 100644
--- a/src/cpp/server/async_server_context.cc
+++ b/src/cpp/server/async_server_context.cc
@@ -42,7 +42,7 @@
 namespace grpc {
 
 AsyncServerContext::AsyncServerContext(
-    grpc_call* call, const grpc::string& method, const grpc::string& host,
+    grpc_call *call, const grpc::string &method, const grpc::string &host,
     system_clock::time_point absolute_deadline)
     : method_(method),
       host_(host),
@@ -52,21 +52,21 @@ AsyncServerContext::AsyncServerContext(
 
 AsyncServerContext::~AsyncServerContext() { grpc_call_destroy(call_); }
 
-void AsyncServerContext::Accept(grpc_completion_queue* cq) {
+void AsyncServerContext::Accept(grpc_completion_queue *cq) {
   GPR_ASSERT(grpc_call_server_accept(call_, cq, this) == GRPC_CALL_OK);
   GPR_ASSERT(grpc_call_server_end_initial_metadata(call_, 0) == GRPC_CALL_OK);
 }
 
-bool AsyncServerContext::StartRead(google::protobuf::Message* request) {
+bool AsyncServerContext::StartRead(google::protobuf::Message *request) {
   GPR_ASSERT(request);
   request_ = request;
   grpc_call_error err = grpc_call_start_read(call_, this);
   return err == GRPC_CALL_OK;
 }
 
-bool AsyncServerContext::StartWrite(const google::protobuf::Message& response,
+bool AsyncServerContext::StartWrite(const google::protobuf::Message &response,
                                     int flags) {
-  grpc_byte_buffer* buffer = nullptr;
+  grpc_byte_buffer *buffer = nullptr;
   if (!SerializeProto(response, &buffer)) {
     return false;
   }
@@ -75,16 +75,16 @@ bool AsyncServerContext::StartWrite(const google::protobuf::Message& response,
   return err == GRPC_CALL_OK;
 }
 
-bool AsyncServerContext::StartWriteStatus(const Status& status) {
+bool AsyncServerContext::StartWriteStatus(const Status &status) {
   grpc_call_error err = grpc_call_start_write_status(
       call_, static_cast<grpc_status_code>(status.code()),
       status.details().empty() ? nullptr
-                               : const_cast<char*>(status.details().c_str()),
+                               : const_cast<char *>(status.details().c_str()),
       this);
   return err == GRPC_CALL_OK;
 }
 
-bool AsyncServerContext::ParseRead(grpc_byte_buffer* read_buffer) {
+bool AsyncServerContext::ParseRead(grpc_byte_buffer *read_buffer) {
   GPR_ASSERT(request_);
   bool success = DeserializeProto(read_buffer, request_);
   request_ = nullptr;
diff --git a/src/cpp/server/completion_queue.cc b/src/cpp/server/completion_queue.cc
index 56d165c9a6855a9903d7637c6a11679cdfe0bfa2..102a81bf0ebcfdd0a1d4c2acdd4f7e0163e3b583 100644
--- a/src/cpp/server/completion_queue.cc
+++ b/src/cpp/server/completion_queue.cc
@@ -48,8 +48,8 @@ CompletionQueue::~CompletionQueue() { grpc_completion_queue_destroy(cq_); }
 
 void CompletionQueue::Shutdown() { grpc_completion_queue_shutdown(cq_); }
 
-CompletionQueue::CompletionType CompletionQueue::Next(void** tag) {
-  grpc_event* ev;
+CompletionQueue::CompletionType CompletionQueue::Next(void **tag) {
+  grpc_event *ev;
   CompletionType return_type;
   bool success;
 
@@ -65,8 +65,8 @@ CompletionQueue::CompletionType CompletionQueue::Next(void** tag) {
     case GRPC_READ:
       *tag = ev->tag;
       if (ev->data.read) {
-        success =
-            static_cast<AsyncServerContext*>(ev->tag)->ParseRead(ev->data.read);
+        success = static_cast<AsyncServerContext *>(ev->tag)
+                      ->ParseRead(ev->data.read);
         return_type = success ? SERVER_READ_OK : SERVER_READ_ERROR;
       } else {
         return_type = SERVER_READ_ERROR;
diff --git a/src/cpp/server/server.cc b/src/cpp/server/server.cc
index d85748eea44b251300151e5e6f1d704ee34d07f2..193688e743ecde14b1b21d49f3fcd7149a41340b 100644
--- a/src/cpp/server/server.cc
+++ b/src/cpp/server/server.cc
@@ -49,7 +49,7 @@ namespace grpc {
 // TODO(rocking): consider a better default value like num of cores.
 static const int kNumThreads = 4;
 
-Server::Server(ThreadPoolInterface* thread_pool, ServerCredentials* creds)
+Server::Server(ThreadPoolInterface *thread_pool, ServerCredentials *creds)
     : started_(false),
       shutdown_(false),
       num_running_cb_(0),
@@ -82,14 +82,14 @@ Server::~Server() {
   }
 }
 
-void Server::RegisterService(RpcService* service) {
+void Server::RegisterService(RpcService *service) {
   for (int i = 0; i < service->GetMethodCount(); ++i) {
-    RpcServiceMethod* method = service->GetMethod(i);
+    RpcServiceMethod *method = service->GetMethod(i);
     method_map_.insert(std::make_pair(method->name(), method));
   }
 }
 
-void Server::AddPort(const grpc::string& addr) {
+void Server::AddPort(const grpc::string &addr) {
   GPR_ASSERT(!started_);
   int success;
   if (secure_) {
@@ -131,7 +131,7 @@ void Server::Shutdown() {
 
   // Shutdown the completion queue.
   cq_.Shutdown();
-  void* tag = nullptr;
+  void *tag = nullptr;
   CompletionQueue::CompletionType t = cq_.Next(&tag);
   GPR_ASSERT(t == CompletionQueue::QUEUE_CLOSED);
 }
@@ -147,18 +147,18 @@ void Server::ScheduleCallback() {
 
 void Server::RunRpc() {
   // Wait for one more incoming rpc.
-  void* tag = nullptr;
+  void *tag = nullptr;
   AllowOneRpc();
   CompletionQueue::CompletionType t = cq_.Next(&tag);
   GPR_ASSERT(t == CompletionQueue::SERVER_RPC_NEW);
 
-  AsyncServerContext* server_context = static_cast<AsyncServerContext*>(tag);
+  AsyncServerContext *server_context = static_cast<AsyncServerContext *>(tag);
   // server_context could be nullptr during server shutdown.
   if (server_context != nullptr) {
     // Schedule a new callback to handle more rpcs.
     ScheduleCallback();
 
-    RpcServiceMethod* method = nullptr;
+    RpcServiceMethod *method = nullptr;
     auto iter = method_map_.find(server_context->method());
     if (iter != method_map_.end()) {
       method = iter->second;
diff --git a/src/cpp/server/server_builder.cc b/src/cpp/server/server_builder.cc
index d74d8cb65f2feedb839c87faf10dfe3ac149a419..add22cc3d868530036670ae0a2ebf0166a2e668c 100644
--- a/src/cpp/server/server_builder.cc
+++ b/src/cpp/server/server_builder.cc
@@ -40,30 +40,30 @@ namespace grpc {
 
 ServerBuilder::ServerBuilder() : thread_pool_(nullptr) {}
 
-void ServerBuilder::RegisterService(RpcService* service) {
+void ServerBuilder::RegisterService(RpcService *service) {
   services_.push_back(service);
 }
 
-void ServerBuilder::AddPort(const grpc::string& addr) {
+void ServerBuilder::AddPort(const grpc::string &addr) {
   ports_.push_back(addr);
 }
 
 void ServerBuilder::SetCredentials(
-    const std::shared_ptr<ServerCredentials>& creds) {
+    const std::shared_ptr<ServerCredentials> &creds) {
   GPR_ASSERT(!creds_);
   creds_ = creds;
 }
 
-void ServerBuilder::SetThreadPool(ThreadPoolInterface* thread_pool) {
+void ServerBuilder::SetThreadPool(ThreadPoolInterface *thread_pool) {
   thread_pool_ = thread_pool;
 }
 
 std::unique_ptr<Server> ServerBuilder::BuildAndStart() {
   std::unique_ptr<Server> server(new Server(thread_pool_, creds_.get()));
-  for (auto* service : services_) {
+  for (auto *service : services_) {
     server->RegisterService(service);
   }
-  for (auto& port : ports_) {
+  for (auto &port : ports_) {
     server->AddPort(port);
   }
   server->Start();
diff --git a/src/cpp/server/server_credentials.cc b/src/cpp/server/server_credentials.cc
index 5d899b1cd947ebc1f54596746998eef6964fe6a2..b82a2d821a31283b335e83bc83f12135ab615b6a 100644
--- a/src/cpp/server/server_credentials.cc
+++ b/src/cpp/server/server_credentials.cc
@@ -37,31 +37,31 @@
 
 namespace grpc {
 
-ServerCredentials::ServerCredentials(grpc_server_credentials* c_creds)
+ServerCredentials::ServerCredentials(grpc_server_credentials *c_creds)
     : creds_(c_creds) {}
 
 ServerCredentials::~ServerCredentials() {
   grpc_server_credentials_release(creds_);
 }
 
-grpc_server_credentials* ServerCredentials::GetRawCreds() { return creds_; }
+grpc_server_credentials *ServerCredentials::GetRawCreds() { return creds_; }
 
 std::shared_ptr<ServerCredentials> ServerCredentialsFactory::SslCredentials(
-    const SslServerCredentialsOptions& options) {
-  const unsigned char* pem_root_certs =
+    const SslServerCredentialsOptions &options) {
+  const unsigned char *pem_root_certs =
       options.pem_root_certs.empty() ? nullptr
-                                     : reinterpret_cast<const unsigned char*>(
+                                     : reinterpret_cast<const unsigned char *>(
                                            options.pem_root_certs.c_str());
-  const unsigned char* pem_private_key =
+  const unsigned char *pem_private_key =
       options.pem_private_key.empty() ? nullptr
-                                      : reinterpret_cast<const unsigned char*>(
+                                      : reinterpret_cast<const unsigned char *>(
                                             options.pem_private_key.c_str());
-  const unsigned char* pem_cert_chain =
+  const unsigned char *pem_cert_chain =
       options.pem_cert_chain.empty() ? nullptr
-                                     : reinterpret_cast<const unsigned char*>(
+                                     : reinterpret_cast<const unsigned char *>(
                                            options.pem_cert_chain.c_str());
 
-  grpc_server_credentials* c_creds = grpc_ssl_server_credentials_create(
+  grpc_server_credentials *c_creds = grpc_ssl_server_credentials_create(
       pem_root_certs, options.pem_root_certs.size(), pem_private_key,
       options.pem_private_key.size(), pem_cert_chain,
       options.pem_cert_chain.size());
diff --git a/src/cpp/server/server_rpc_handler.cc b/src/cpp/server/server_rpc_handler.cc
index 42f8b755b66e70b03f7e9f44268d38ded69ce1fc..061ac1c2f397e93f98e1dd120a16c89d41f8f828 100644
--- a/src/cpp/server/server_rpc_handler.cc
+++ b/src/cpp/server/server_rpc_handler.cc
@@ -41,8 +41,8 @@
 
 namespace grpc {
 
-ServerRpcHandler::ServerRpcHandler(AsyncServerContext* async_server_context,
-                                   RpcServiceMethod* method)
+ServerRpcHandler::ServerRpcHandler(AsyncServerContext *async_server_context,
+                                   RpcServiceMethod *method)
     : async_server_context_(async_server_context), method_(method) {}
 
 void ServerRpcHandler::StartRpc() {
@@ -71,7 +71,7 @@ void ServerRpcHandler::StartRpc() {
     GPR_ASSERT(type == CompletionQueue::SERVER_READ_OK);
 
     // Run the application's rpc handler
-    MethodHandler* handler = method_->handler();
+    MethodHandler *handler = method_->handler();
     Status status = handler->RunHandler(MethodHandler::HandlerParameter(
         &user_context, request.get(), response.get()));
 
@@ -97,7 +97,7 @@ void ServerRpcHandler::StartRpc() {
                                  cq_.cq(), request.get(), response.get());
 
     // Run the application's rpc handler
-    MethodHandler* handler = method_->handler();
+    MethodHandler *handler = method_->handler();
     Status status = handler->RunHandler(MethodHandler::HandlerParameter(
         &user_context, request.get(), response.get(), &stream_context));
     if (status.IsOk() &&
@@ -110,17 +110,17 @@ void ServerRpcHandler::StartRpc() {
 }
 
 CompletionQueue::CompletionType ServerRpcHandler::WaitForNextEvent() {
-  void* tag = nullptr;
+  void *tag = nullptr;
   CompletionQueue::CompletionType type = cq_.Next(&tag);
   if (type != CompletionQueue::QUEUE_CLOSED &&
       type != CompletionQueue::RPC_END) {
-    GPR_ASSERT(static_cast<AsyncServerContext*>(tag) ==
+    GPR_ASSERT(static_cast<AsyncServerContext *>(tag) ==
                async_server_context_.get());
   }
   return type;
 }
 
-void ServerRpcHandler::FinishRpc(const Status& status) {
+void ServerRpcHandler::FinishRpc(const Status &status) {
   async_server_context_->StartWriteStatus(status);
   CompletionQueue::CompletionType type;
 
diff --git a/src/cpp/server/server_rpc_handler.h b/src/cpp/server/server_rpc_handler.h
index 249576d504a35c9e9ba66e6e8453e5699c221cbc..a43e07dc5f9bfdbf1b93285703b34fc7b1fa26f2 100644
--- a/src/cpp/server/server_rpc_handler.h
+++ b/src/cpp/server/server_rpc_handler.h
@@ -47,17 +47,17 @@ class RpcServiceMethod;
 class ServerRpcHandler {
  public:
   // Takes ownership of async_server_context.
-  ServerRpcHandler(AsyncServerContext* async_server_context,
-                   RpcServiceMethod* method);
+  ServerRpcHandler(AsyncServerContext *async_server_context,
+                   RpcServiceMethod *method);
 
   void StartRpc();
 
  private:
   CompletionQueue::CompletionType WaitForNextEvent();
-  void FinishRpc(const Status& status);
+  void FinishRpc(const Status &status);
 
   std::unique_ptr<AsyncServerContext> async_server_context_;
-  RpcServiceMethod* method_;
+  RpcServiceMethod *method_;
   CompletionQueue cq_;
 };
 
diff --git a/src/cpp/server/thread_pool.cc b/src/cpp/server/thread_pool.cc
index ce364c4795515489b57c59f7809022bd5ae61986..a46d4c64d255bee302260e694297cbd258739961 100644
--- a/src/cpp/server/thread_pool.cc
+++ b/src/cpp/server/thread_pool.cc
@@ -63,12 +63,12 @@ ThreadPool::~ThreadPool() {
     shutdown_ = true;
     cv_.notify_all();
   }
-  for (auto& t : threads_) {
+  for (auto &t : threads_) {
     t.join();
   }
 }
 
-void ThreadPool::ScheduleCallback(const std::function<void()>& callback) {
+void ThreadPool::ScheduleCallback(const std::function<void()> &callback) {
   std::lock_guard<std::mutex> lock(mu_);
   callbacks_.push(callback);
   cv_.notify_all();
diff --git a/src/cpp/server/thread_pool.h b/src/cpp/server/thread_pool.h
index 6fc71d6695b3bdf8857bd48475b5982c5af16c2e..c53f7a7517a3fe79202baf030d39057a90cf5df0 100644
--- a/src/cpp/server/thread_pool.h
+++ b/src/cpp/server/thread_pool.h
@@ -49,7 +49,7 @@ class ThreadPool : public ThreadPoolInterface {
   explicit ThreadPool(int num_threads);
   ~ThreadPool();
 
-  void ScheduleCallback(const std::function<void()>& callback) final;
+  void ScheduleCallback(const std::function<void()> &callback) final;
 
  private:
   std::mutex mu_;
diff --git a/src/cpp/stream/stream_context.cc b/src/cpp/stream/stream_context.cc
index 5ccf8c9682880d7c4c22eb831084507f1122a976..e64010be64f087fe8670cc68cf9636738800cd0d 100644
--- a/src/cpp/stream/stream_context.cc
+++ b/src/cpp/stream/stream_context.cc
@@ -44,14 +44,14 @@
 namespace grpc {
 
 // Client only ctor
-StreamContext::StreamContext(const RpcMethod& method, ClientContext* context,
-                             const google::protobuf::Message* request,
-                             google::protobuf::Message* result)
+StreamContext::StreamContext(const RpcMethod &method, ClientContext *context,
+                             const google::protobuf::Message *request,
+                             google::protobuf::Message *result)
     : is_client_(true),
       method_(&method),
       call_(context->call()),
       cq_(context->cq()),
-      request_(const_cast<google::protobuf::Message*>(request)),
+      request_(const_cast<google::protobuf::Message *>(request)),
       result_(result),
       peer_halfclosed_(false),
       self_halfclosed_(false) {
@@ -59,10 +59,10 @@ StreamContext::StreamContext(const RpcMethod& method, ClientContext* context,
 }
 
 // Server only ctor
-StreamContext::StreamContext(const RpcMethod& method, grpc_call* call,
-                             grpc_completion_queue* cq,
-                             google::protobuf::Message* request,
-                             google::protobuf::Message* result)
+StreamContext::StreamContext(const RpcMethod &method, grpc_call *call,
+                             grpc_completion_queue *cq,
+                             google::protobuf::Message *request,
+                             google::protobuf::Message *result)
     : is_client_(false),
       method_(&method),
       call_(call),
@@ -84,7 +84,7 @@ void StreamContext::Start(bool buffered) {
                                                    client_metadata_read_tag(),
                                                    finished_tag(), flag);
     GPR_ASSERT(GRPC_CALL_OK == error);
-    grpc_event* invoke_ev =
+    grpc_event *invoke_ev =
         grpc_completion_queue_pluck(cq(), invoke_tag(), gpr_inf_future);
     if (invoke_ev->data.invoke_accepted != GRPC_OP_OK) {
       peer_halfclosed_ = true;
@@ -101,11 +101,11 @@ void StreamContext::Start(bool buffered) {
   }
 }
 
-bool StreamContext::Read(google::protobuf::Message* msg) {
+bool StreamContext::Read(google::protobuf::Message *msg) {
   // TODO(yangg) check peer_halfclosed_ here for possible early return.
   grpc_call_error err = grpc_call_start_read(call(), read_tag());
   GPR_ASSERT(err == GRPC_CALL_OK);
-  grpc_event* read_ev =
+  grpc_event *read_ev =
       grpc_completion_queue_pluck(cq(), read_tag(), gpr_inf_future);
   GPR_ASSERT(read_ev->type == GRPC_READ);
   bool ret = true;
@@ -123,13 +123,13 @@ bool StreamContext::Read(google::protobuf::Message* msg) {
   return ret;
 }
 
-bool StreamContext::Write(const google::protobuf::Message* msg, bool is_last) {
+bool StreamContext::Write(const google::protobuf::Message *msg, bool is_last) {
   // TODO(yangg) check self_halfclosed_ for possible early return.
   bool ret = true;
-  grpc_event* ev = nullptr;
+  grpc_event *ev = nullptr;
 
   if (msg) {
-    grpc_byte_buffer* out_buf = nullptr;
+    grpc_byte_buffer *out_buf = nullptr;
     if (!SerializeProto(*msg, &out_buf)) {
       grpc_call_cancel_with_status(call(), GRPC_STATUS_INVALID_ARGUMENT,
                                    "Failed to serialize outgoing proto");
@@ -163,16 +163,16 @@ bool StreamContext::Write(const google::protobuf::Message* msg, bool is_last) {
   return ret;
 }
 
-const Status& StreamContext::Wait() {
+const Status &StreamContext::Wait() {
   // TODO(yangg) properly support metadata
-  grpc_event* metadata_ev = grpc_completion_queue_pluck(
+  grpc_event *metadata_ev = grpc_completion_queue_pluck(
       cq(), client_metadata_read_tag(), gpr_inf_future);
   grpc_event_finish(metadata_ev);
   // TODO(yangg) protect states by a mutex, including other places.
   if (!self_halfclosed_ || !peer_halfclosed_) {
     Cancel();
   }
-  grpc_event* finish_ev =
+  grpc_event *finish_ev =
       grpc_completion_queue_pluck(cq(), finished_tag(), gpr_inf_future);
   GPR_ASSERT(finish_ev->type == GRPC_FINISHED);
   final_status_ = Status(
diff --git a/src/cpp/stream/stream_context.h b/src/cpp/stream/stream_context.h
index 4781f27a77f35c08701f40b3102afdc607d41e22..8697d86e83053825a7d53c05e66721f810f8ef98 100644
--- a/src/cpp/stream/stream_context.h
+++ b/src/cpp/stream/stream_context.h
@@ -50,43 +50,45 @@ class RpcMethod;
 
 class StreamContext final : public StreamContextInterface {
  public:
-  StreamContext(const RpcMethod& method, ClientContext* context,
-                const google::protobuf::Message* request,
-                google::protobuf::Message* result);
-  StreamContext(const RpcMethod& method, grpc_call* call,
-                grpc_completion_queue* cq, google::protobuf::Message* request,
-                google::protobuf::Message* result);
+  StreamContext(const RpcMethod &method, ClientContext *context,
+                const google::protobuf::Message *request,
+                google::protobuf::Message *result);
+  StreamContext(const RpcMethod &method, grpc_call *call,
+                grpc_completion_queue *cq, google::protobuf::Message *request,
+                google::protobuf::Message *result);
   ~StreamContext();
   // Start the stream, if there is a final write following immediately, set
   // buffered so that the messages can be sent in batch.
   void Start(bool buffered) override;
-  bool Read(google::protobuf::Message* msg) override;
-  bool Write(const google::protobuf::Message* msg, bool is_last) override;
-  const Status& Wait() override;
+  bool Read(google::protobuf::Message *msg) override;
+  bool Write(const google::protobuf::Message *msg, bool is_last) override;
+  const Status &Wait() override;
   void Cancel() override;
 
-  google::protobuf::Message* request() override { return request_; }
-  google::protobuf::Message* response() override { return result_; }
+  google::protobuf::Message *request() override { return request_; }
+  google::protobuf::Message *response() override { return result_; }
 
  private:
   // Unique tags for plucking events from the c layer. this pointer is casted
   // to char* to create single byte step between tags. It implicitly relies on
   // that StreamContext is large enough to contain all the pointers.
-  void* finished_tag() { return reinterpret_cast<char*>(this); }
-  void* read_tag() { return reinterpret_cast<char*>(this) + 1; }
-  void* write_tag() { return reinterpret_cast<char*>(this) + 2; }
-  void* halfclose_tag() { return reinterpret_cast<char*>(this) + 3; }
-  void* invoke_tag() { return reinterpret_cast<char*>(this) + 4; }
-  void* client_metadata_read_tag() { return reinterpret_cast<char*>(this) + 5; }
-  grpc_call* call() { return call_; }
-  grpc_completion_queue* cq() { return cq_; }
+  void *finished_tag() { return reinterpret_cast<char *>(this); }
+  void *read_tag() { return reinterpret_cast<char *>(this) + 1; }
+  void *write_tag() { return reinterpret_cast<char *>(this) + 2; }
+  void *halfclose_tag() { return reinterpret_cast<char *>(this) + 3; }
+  void *invoke_tag() { return reinterpret_cast<char *>(this) + 4; }
+  void *client_metadata_read_tag() {
+    return reinterpret_cast<char *>(this) + 5;
+  }
+  grpc_call *call() { return call_; }
+  grpc_completion_queue *cq() { return cq_; }
 
   bool is_client_;
-  const RpcMethod* method_;             // not owned
-  grpc_call* call_;                     // not owned
-  grpc_completion_queue* cq_;           // not owned
-  google::protobuf::Message* request_;  // first request, not owned
-  google::protobuf::Message* result_;   // last response, not owned
+  const RpcMethod *method_;             // not owned
+  grpc_call *call_;                     // not owned
+  grpc_completion_queue *cq_;           // not owned
+  google::protobuf::Message *request_;  // first request, not owned
+  google::protobuf::Message *result_;   // last response, not owned
 
   bool peer_halfclosed_;
   bool self_halfclosed_;
diff --git a/src/cpp/util/status.cc b/src/cpp/util/status.cc
index e7ca41b752354be860bd81d10ac1b46cedd4caf6..1ca12d0ae900fe9a0bfc71cdca9cc464939f0a12 100644
--- a/src/cpp/util/status.cc
+++ b/src/cpp/util/status.cc
@@ -35,7 +35,7 @@
 
 namespace grpc {
 
-const Status& Status::OK = Status();
-const Status& Status::Cancelled = Status(StatusCode::CANCELLED);
+const Status &Status::OK = Status();
+const Status &Status::Cancelled = Status(StatusCode::CANCELLED);
 
 }  // namespace grpc
diff --git a/src/cpp/util/time.cc b/src/cpp/util/time.cc
index e58dde82a3ea775ac909d331bac51d6dd34a774c..7ce7a371f5618ecf85b2c0c2810b162be17e8c63 100644
--- a/src/cpp/util/time.cc
+++ b/src/cpp/util/time.cc
@@ -43,8 +43,8 @@ using std::chrono::system_clock;
 namespace grpc {
 
 // TODO(yangg) prevent potential overflow.
-void Timepoint2Timespec(const system_clock::time_point& from,
-                        gpr_timespec* to) {
+void Timepoint2Timespec(const system_clock::time_point &from,
+                        gpr_timespec *to) {
   system_clock::duration deadline = from.time_since_epoch();
   seconds secs = duration_cast<seconds>(deadline);
   nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs);
diff --git a/src/cpp/util/time.h b/src/cpp/util/time.h
index 338c4f5119b08a968dbae2f9b395803731b07d77..908395c92b9a02dd07bea9affaef51136b31a88d 100644
--- a/src/cpp/util/time.h
+++ b/src/cpp/util/time.h
@@ -41,8 +41,8 @@
 namespace grpc {
 
 // from and to should be absolute time.
-void Timepoint2Timespec(const std::chrono::system_clock::time_point& from,
-                        gpr_timespec* to);
+void Timepoint2Timespec(const std::chrono::system_clock::time_point &from,
+                        gpr_timespec *to);
 
 std::chrono::system_clock::time_point Timespec2Timepoint(gpr_timespec t);
 
diff --git a/src/php/ext/grpc/call.c b/src/php/ext/grpc/call.c
index c01af34e958d65b753323d41780719b6f1b560c3..410efbce681fa5812df1784dd2040cead1aa8cc2 100644
--- a/src/php/ext/grpc/call.c
+++ b/src/php/ext/grpc/call.c
@@ -423,16 +423,15 @@ PHP_METHOD(Call, start_read) {
 
 static zend_function_entry call_methods[] = {
     PHP_ME(Call, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
-        PHP_ME(Call, server_accept, NULL, ZEND_ACC_PUBLIC)
-            PHP_ME(Call, server_end_initial_metadata, NULL, ZEND_ACC_PUBLIC)
-                PHP_ME(Call, add_metadata, NULL, ZEND_ACC_PUBLIC) PHP_ME(
-                    Call, cancel, NULL, ZEND_ACC_PUBLIC)
-                    PHP_ME(Call, start_invoke, NULL, ZEND_ACC_PUBLIC) PHP_ME(
-                        Call, start_read, NULL, ZEND_ACC_PUBLIC)
-                        PHP_ME(Call, start_write, NULL, ZEND_ACC_PUBLIC) PHP_ME(
-                            Call, start_write_status, NULL, ZEND_ACC_PUBLIC)
-                            PHP_ME(Call, writes_done, NULL, ZEND_ACC_PUBLIC)
-                                PHP_FE_END};
+    PHP_ME(Call, server_accept, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, server_end_initial_metadata, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, add_metadata, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, cancel, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, start_invoke, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, start_read, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, start_write, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, start_write_status, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Call, writes_done, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
 
 void grpc_init_call(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/channel.c b/src/php/ext/grpc/channel.c
index f0e4153b22aa0eb40532d16787a5ffffa00e0a0f..2ab229f5e6700a8fcc8bf2a4e885d7873c0e2cdb 100644
--- a/src/php/ext/grpc/channel.c
+++ b/src/php/ext/grpc/channel.c
@@ -155,7 +155,7 @@ PHP_METHOD(Channel, close) {
 
 static zend_function_entry channel_methods[] = {
     PHP_ME(Channel, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
-        PHP_ME(Channel, close, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
+    PHP_ME(Channel, close, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
 
 void grpc_init_channel(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/completion_queue.c b/src/php/ext/grpc/completion_queue.c
index 9785eab8cc1165663c2105877fe78e30fb66342e..3a93bfcff76486052b19d6ed7b2f4ed96dabf39f 100644
--- a/src/php/ext/grpc/completion_queue.c
+++ b/src/php/ext/grpc/completion_queue.c
@@ -63,8 +63,8 @@ zend_object_value create_wrapped_grpc_completion_queue(
  */
 PHP_METHOD(CompletionQueue, __construct) {
   wrapped_grpc_completion_queue *queue =
-      (wrapped_grpc_completion_queue *)zend_object_store_get_object(
-          getThis() TSRMLS_CC);
+      (wrapped_grpc_completion_queue *)zend_object_store_get_object(getThis()
+                                                                    TSRMLS_CC);
   queue->wrapped = grpc_completion_queue_create();
 }
 
@@ -86,8 +86,8 @@ PHP_METHOD(CompletionQueue, next) {
     return;
   }
   wrapped_grpc_completion_queue *completion_queue =
-      (wrapped_grpc_completion_queue *)zend_object_store_get_object(
-          getThis() TSRMLS_CC);
+      (wrapped_grpc_completion_queue *)zend_object_store_get_object(getThis()
+                                                                    TSRMLS_CC);
   wrapped_grpc_timeval *wrapped_timeout =
       (wrapped_grpc_timeval *)zend_object_store_get_object(timeout TSRMLS_CC);
   grpc_event *event = grpc_completion_queue_next(completion_queue->wrapped,
@@ -109,8 +109,8 @@ PHP_METHOD(CompletionQueue, pluck) {
                          "pluck needs a long and a Timeval", 1 TSRMLS_CC);
   }
   wrapped_grpc_completion_queue *completion_queue =
-      (wrapped_grpc_completion_queue *)zend_object_store_get_object(
-          getThis() TSRMLS_CC);
+      (wrapped_grpc_completion_queue *)zend_object_store_get_object(getThis()
+                                                                    TSRMLS_CC);
   wrapped_grpc_timeval *wrapped_timeout =
       (wrapped_grpc_timeval *)zend_object_store_get_object(timeout TSRMLS_CC);
   grpc_event *event = grpc_completion_queue_pluck(
@@ -124,8 +124,8 @@ PHP_METHOD(CompletionQueue, pluck) {
 
 static zend_function_entry completion_queue_methods[] = {
     PHP_ME(CompletionQueue, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
-        PHP_ME(CompletionQueue, next, NULL, ZEND_ACC_PUBLIC)
-            PHP_ME(CompletionQueue, pluck, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
+    PHP_ME(CompletionQueue, next, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(CompletionQueue, pluck, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
 
 void grpc_init_completion_queue(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/credentials.c b/src/php/ext/grpc/credentials.c
index f486272531d208af5f85ebe58009bbbbfeb6463c..2a83d1cbc1e9ca3a1cb997da97ad13193cc3a018 100644
--- a/src/php/ext/grpc/credentials.c
+++ b/src/php/ext/grpc/credentials.c
@@ -151,13 +151,12 @@ PHP_METHOD(Credentials, createFake) {
 
 static zend_function_entry credentials_methods[] = {
     PHP_ME(Credentials, createDefault, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-        PHP_ME(Credentials, createSsl, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-            PHP_ME(Credentials, createComposite, NULL,
-                   ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                PHP_ME(Credentials, createGce, NULL,
-                       ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                    PHP_ME(Credentials, createFake, NULL,
-                           ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) PHP_FE_END};
+    PHP_ME(Credentials, createSsl, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Credentials, createComposite, NULL,
+           ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Credentials, createGce, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Credentials, createFake, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_FE_END};
 
 void grpc_init_credentials(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/php_grpc.c b/src/php/ext/grpc/php_grpc.c
index c1042293aa42d195c04265107d4e3a05e0973a33..e8b4643a582ec6153a5436793153469ea09d2f40 100644
--- a/src/php/ext/grpc/php_grpc.c
+++ b/src/php/ext/grpc/php_grpc.c
@@ -33,7 +33,8 @@ zend_module_entry grpc_module_entry = {
 #if ZEND_MODULE_API_NO >= 20010901
     STANDARD_MODULE_HEADER,
 #endif
-    "grpc", grpc_functions, PHP_MINIT(grpc), PHP_MSHUTDOWN(grpc), NULL, NULL,
+    "grpc",                    grpc_functions, PHP_MINIT(grpc),
+    PHP_MSHUTDOWN(grpc),       NULL,           NULL,
     PHP_MINFO(grpc),
 #if ZEND_MODULE_API_NO >= 20010901
     PHP_GRPC_VERSION,
diff --git a/src/php/ext/grpc/server.c b/src/php/ext/grpc/server.c
index f484375712075ca9500d8c17d643e600364bd5d6..38777f3d541521115aa8773d7e2868fb3fea67f1 100644
--- a/src/php/ext/grpc/server.c
+++ b/src/php/ext/grpc/server.c
@@ -176,10 +176,10 @@ PHP_METHOD(Server, start) {
 
 static zend_function_entry server_methods[] = {
     PHP_ME(Server, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
-        PHP_ME(Server, request_call, NULL, ZEND_ACC_PUBLIC)
-            PHP_ME(Server, add_http2_port, NULL, ZEND_ACC_PUBLIC)
-                PHP_ME(Server, add_secure_http2_port, NULL, ZEND_ACC_PUBLIC)
-                    PHP_ME(Server, start, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
+    PHP_ME(Server, request_call, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, add_http2_port, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, add_secure_http2_port, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, start, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
 
 void grpc_init_server(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/server_credentials.c b/src/php/ext/grpc/server_credentials.c
index 5b9ab3390d7412aa78afc200fc409bef52e19303..1f8e58aa4d1678570945dfa944251ef32d0c5336 100644
--- a/src/php/ext/grpc/server_credentials.c
+++ b/src/php/ext/grpc/server_credentials.c
@@ -102,8 +102,8 @@ PHP_METHOD(ServerCredentials, createFake) {
 static zend_function_entry server_credentials_methods[] = {
     PHP_ME(ServerCredentials, createSsl, NULL,
            ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-        PHP_ME(ServerCredentials, createFake, NULL,
-               ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) PHP_FE_END};
+    PHP_ME(ServerCredentials, createFake, NULL,
+           ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) PHP_FE_END};
 
 void grpc_init_server_credentials(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/src/php/ext/grpc/timeval.c b/src/php/ext/grpc/timeval.c
index a5508115e47ddf485e199e1da08eff2219c76f17..cbbbf3791562a10a4ac0da383fb2c9a3e06042a5 100644
--- a/src/php/ext/grpc/timeval.c
+++ b/src/php/ext/grpc/timeval.c
@@ -217,20 +217,16 @@ PHP_METHOD(Timeval, sleep_until) {
 }
 
 static zend_function_entry timeval_methods[] = {
-    PHP_ME(Timeval, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR) PHP_ME(
-        Timeval, add, NULL,
-        ZEND_ACC_PUBLIC) PHP_ME(Timeval, compare, NULL,
-                                ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-        PHP_ME(Timeval, inf_future, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-            PHP_ME(Timeval, inf_past, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                PHP_ME(Timeval, now, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                    PHP_ME(Timeval, similar, NULL,
-                           ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                        PHP_ME(Timeval, sleep_until, NULL, ZEND_ACC_PUBLIC)
-                            PHP_ME(Timeval, subtract, NULL, ZEND_ACC_PUBLIC)
-                                PHP_ME(Timeval, zero, NULL,
-                                       ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-                                    PHP_FE_END};
+    PHP_ME(Timeval, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
+    PHP_ME(Timeval, add, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Timeval, compare, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Timeval, inf_future, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Timeval, inf_past, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Timeval, now, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Timeval, similar, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+    PHP_ME(Timeval, sleep_until, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Timeval, subtract, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Timeval, zero, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC) PHP_FE_END};
 
 void grpc_init_timeval(TSRMLS_D) {
   zend_class_entry ce;
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index fb52fe3270589375556879d7dd40c84ae1dce472..d0ea79c34eb522c95a3cc52f811abc7951baa995 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -78,9 +78,9 @@ static void channel_func(grpc_channel_element *elem,
 
 static void test_create_channel_stack(void) {
   const grpc_channel_filter filter = {
-      call_func, channel_func,
+      call_func,   channel_func,
 
-      sizeof(int), call_init_func, call_destroy_func,
+      sizeof(int), call_init_func,    call_destroy_func,
 
       sizeof(int), channel_init_func, channel_destroy_func,
   };
diff --git a/test/core/channel/metadata_buffer_test.c b/test/core/channel/metadata_buffer_test.c
index 5604e2570592a9fbe742dc5d914b102a5fccef06..aa2399272f7a35be286c45b346c75edda7d17813 100644
--- a/test/core/channel/metadata_buffer_test.c
+++ b/test/core/channel/metadata_buffer_test.c
@@ -78,7 +78,7 @@ static void expect_call_op(grpc_call_element *elem,
   GPR_ASSERT(op->dir == GRPC_CALL_DOWN);
   GPR_ASSERT(op->flags == *n);
   GPR_ASSERT(op->done_cb == do_nothing);
-  GPR_ASSERT(op->user_data == (void *)(gpr_uintptr)*n);
+  GPR_ASSERT(op->user_data == (void *)(gpr_uintptr) * n);
   GPR_ASSERT(0 == gpr_slice_cmp(op->data.metadata->key->slice, key));
   GPR_ASSERT(0 == gpr_slice_cmp(op->data.metadata->value->slice, value));
 
@@ -148,7 +148,7 @@ static void test_case(size_t key_prefix_len, size_t value_prefix_len,
     op.flags = i;
     op.data.metadata = grpc_mdelem_from_slices(mdctx, key, value);
     op.done_cb = do_nothing;
-    op.user_data = (void *)(gpr_uintptr)i;
+    op.user_data = (void *)(gpr_uintptr) i;
 
     grpc_metadata_buffer_queue(&buffer, &op);
   }
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 60b0bf3303509cbf0f1be6e36fef725ef6722d73..9fa513126f6b07b190caacb144a3bec1df8556c5 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -495,4 +495,3 @@ void cq_expect_finished(cq_verifier *v, void *tag, ...) {
 void cq_expect_server_shutdown(cq_verifier *v, void *tag) {
   add(v, GRPC_SERVER_SHUTDOWN, tag);
 }
-
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index e88f418cb08f280cbc87e918ac0ad738e1df79b3..1db32b1de9ce12c9edbbe2b159d5a48e23c5b31c 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -203,7 +203,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   GPR_ASSERT(ev->data.invoke_accepted == GRPC_OP_OK);
   /* The /alpha or /beta calls started above could be invoked (but NOT both);
    * check this here */
-  live_call = (int)(gpr_intptr)ev->tag;
+  live_call = (int)(gpr_intptr) ev->tag;
   live_call_obj = live_call == 300 ? c1 : c2;
   grpc_event_finish(ev);
 
diff --git a/test/core/end2end/tests/thread_stress.c b/test/core/end2end/tests/thread_stress.c
index 5410258201ad2985012bdcf5e8c3f02a941f4cde..2de0497a7aa45598d64e10b18d93c3c02d4b1c20 100644
--- a/test/core/end2end/tests/thread_stress.c
+++ b/test/core/end2end/tests/thread_stress.c
@@ -282,11 +282,11 @@ static void run_test(grpc_end2end_test_config config, int requests_in_flight) {
   /* kick off threads */
   for (i = 0; i < CLIENT_THREADS; i++) {
     gpr_event_init(&g_client_done[i]);
-    gpr_thd_new(&thd_id, client_thread, (void *)(gpr_intptr)i, NULL);
+    gpr_thd_new(&thd_id, client_thread, (void *)(gpr_intptr) i, NULL);
   }
   for (i = 0; i < SERVER_THREADS; i++) {
     gpr_event_init(&g_server_done[i]);
-    gpr_thd_new(&thd_id, server_thread, (void *)(gpr_intptr)i, NULL);
+    gpr_thd_new(&thd_id, server_thread, (void *)(gpr_intptr) i, NULL);
   }
 
   /* start requests */
diff --git a/test/core/iomgr/alarm_list_test.c b/test/core/iomgr/alarm_list_test.c
index a25095123188909a0b6db9655f50075681b2d589..ce9b7f4c6632060af1caad4b0ee21700a57e3dd3 100644
--- a/test/core/iomgr/alarm_list_test.c
+++ b/test/core/iomgr/alarm_list_test.c
@@ -61,13 +61,13 @@ static void add_test(void) {
   /* 10 ms alarms.  will expire in the current epoch */
   for (i = 0; i < 10; i++) {
     grpc_alarm_init(&alarms[i], gpr_time_add(start, gpr_time_from_millis(10)),
-                    cb, (void *)(gpr_intptr)i, start);
+                    cb, (void *)(gpr_intptr) i, start);
   }
 
   /* 1010 ms alarms.  will expire in the next epoch */
   for (i = 10; i < 20; i++) {
     grpc_alarm_init(&alarms[i], gpr_time_add(start, gpr_time_from_millis(1010)),
-                    cb, (void *)(gpr_intptr)i, start);
+                    cb, (void *)(gpr_intptr) i, start);
   }
 
   /* collect alarms.  Only the first batch should be ready. */
@@ -115,15 +115,15 @@ void destruction_test(void) {
   memset(cb_called, 0, sizeof(cb_called));
 
   grpc_alarm_init(&alarms[0], gpr_time_from_millis(100), cb,
-                  (void *)(gpr_intptr)0, gpr_time_0);
+                  (void *)(gpr_intptr) 0, gpr_time_0);
   grpc_alarm_init(&alarms[1], gpr_time_from_millis(3), cb,
-                  (void *)(gpr_intptr)1, gpr_time_0);
+                  (void *)(gpr_intptr) 1, gpr_time_0);
   grpc_alarm_init(&alarms[2], gpr_time_from_millis(100), cb,
-                  (void *)(gpr_intptr)2, gpr_time_0);
+                  (void *)(gpr_intptr) 2, gpr_time_0);
   grpc_alarm_init(&alarms[3], gpr_time_from_millis(3), cb,
-                  (void *)(gpr_intptr)3, gpr_time_0);
+                  (void *)(gpr_intptr) 3, gpr_time_0);
   grpc_alarm_init(&alarms[4], gpr_time_from_millis(1), cb,
-                  (void *)(gpr_intptr)4, gpr_time_0);
+                  (void *)(gpr_intptr) 4, gpr_time_0);
   GPR_ASSERT(1 == grpc_alarm_check(NULL, gpr_time_from_millis(2), NULL));
   GPR_ASSERT(1 == cb_called[4][1]);
   grpc_alarm_cancel(&alarms[0]);
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index 125cde467853f4adac1b1e41fb8855a231bbc31e..dc5747bf57f4e887ce2702d86c1124bd7e0bc13f 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -290,7 +290,7 @@ static void shutdown_during_write_test_read_handler(
 
   if (error != GRPC_ENDPOINT_CB_OK) {
     grpc_endpoint_destroy(st->ep);
-    gpr_event_set(&st->ev, (void *)(gpr_intptr)error);
+    gpr_event_set(&st->ev, (void *)(gpr_intptr) error);
   } else {
     grpc_endpoint_notify_on_read(
         st->ep, shutdown_during_write_test_read_handler, user_data);
@@ -309,7 +309,7 @@ static void shutdown_during_write_test_write_handler(
     gpr_log(GPR_ERROR,
             "shutdown_during_write_test_write_handler completed unexpectedly");
   }
-  gpr_event_set(&st->ev, (void *)(gpr_intptr)1);
+  gpr_event_set(&st->ev, (void *)(gpr_intptr) 1);
 }
 
 static void shutdown_during_write_test(grpc_endpoint_test_config config,
diff --git a/test/core/statistics/hash_table_test.c b/test/core/statistics/hash_table_test.c
index 5d05ab5bc4d2af6304f124355d09aeaa9b294dde..ebfc2a2a9a00b08fbe4e6c9621ad70a8c911f007 100644
--- a/test/core/statistics/hash_table_test.c
+++ b/test/core/statistics/hash_table_test.c
@@ -64,8 +64,8 @@ static void free_data(void* data) { gpr_free(data); }
 static void test_create_table(void) {
   /* Create table with uint64 key type */
   census_ht* ht = NULL;
-  census_ht_option ht_options = {CENSUS_HT_UINT64, 1999, NULL, NULL, NULL,
-                                 NULL};
+  census_ht_option ht_options = {CENSUS_HT_UINT64, 1999, NULL,
+                                 NULL,             NULL, NULL};
   ht = census_ht_create(&ht_options);
   GPR_ASSERT(ht != NULL);
   GPR_ASSERT(census_ht_get_size(ht) == 0);
@@ -119,8 +119,8 @@ static void test_table_with_int_key(void) {
 
 /* Test that there is no memory leak when keys and values are owned by table. */
 static void test_value_and_key_deleter(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys,
-                          &free_data, &free_data};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,          &hash64,
+                          &cmp_str_keys,     &free_data, &free_data};
   census_ht* ht = census_ht_create(&opt);
   census_ht_key key;
   char* val = NULL;
@@ -184,8 +184,8 @@ static void test_simple_add_and_erase(void) {
 }
 
 static void test_insertion_and_deletion_with_high_collision_rate(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 13, &force_collision,
-                          &cmp_str_keys, NULL, NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 13,   &force_collision,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht* ht = census_ht_create(&opt);
   char key_str[1000][10];
   gpr_uint64 val = 0;
@@ -208,12 +208,12 @@ static void test_insertion_and_deletion_with_high_collision_rate(void) {
 }
 
 static void test_table_with_string_key(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys, NULL,
-                          NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,    &hash64,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht* ht = census_ht_create(&opt);
-  const char* keys[] = {"k1", "a", "000", "apple",
-                        "banana_a_long_long_long_banana", "%$", "111", "foo",
-                        "b"};
+  const char* keys[] = {"k1",    "a",                              "000",
+                        "apple", "banana_a_long_long_long_banana", "%$",
+                        "111",   "foo",                            "b"};
   const int vals[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
   int i = 0;
   GPR_ASSERT(ht != NULL);
diff --git a/test/core/surface/completion_queue_benchmark.c b/test/core/surface/completion_queue_benchmark.c
index e1b9d0d035aa0d2ab90967f5a9df2a7a2d638f46..5360d7c6c383b5e60582d3ede4747d3a1f4724d0 100644
--- a/test/core/surface/completion_queue_benchmark.c
+++ b/test/core/surface/completion_queue_benchmark.c
@@ -53,23 +53,23 @@ static void producer_thread(void *arg) {
   test_thread_options *opt = arg;
   int i;
 
-  gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->start, gpr_inf_future));
 
   for (i = 0; i < opt->iterations; i++) {
     grpc_cq_begin_op(opt->cc, NULL, GRPC_WRITE_ACCEPTED);
-    grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr)1, NULL, NULL, NULL,
-                               GRPC_OP_OK);
+    grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr) 1, NULL, NULL,
+                               NULL, GRPC_OP_OK);
   }
 
-  gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
 }
 
 static void consumer_thread(void *arg) {
   test_thread_options *opt = arg;
   grpc_event *ev;
 
-  gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->start, gpr_inf_future));
 
   for (;;) {
@@ -78,7 +78,7 @@ static void consumer_thread(void *arg) {
       case GRPC_WRITE_ACCEPTED:
         break;
       case GRPC_QUEUE_SHUTDOWN:
-        gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
+        gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
         return;
       default:
         gpr_log(GPR_ERROR, "Invalid event received: %d", ev->type);
@@ -112,7 +112,7 @@ double ops_per_second(int consumers, int producers, int iterations) {
 
   /* start the benchmark */
   t_start = gpr_now();
-  gpr_event_set(&start, (void *)(gpr_intptr)1);
+  gpr_event_set(&start, (void *)(gpr_intptr) 1);
 
   /* wait for producers to finish */
   for (i = 0; i < producers; i++) {
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index 71f9cc2291636f26cc80bff667d0fba58b7b39b9..4bbe9cc96fa292d54c5229102344b67c31b53054 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -282,7 +282,7 @@ static void producer_thread(void *arg) {
   int i;
 
   gpr_log(GPR_INFO, "producer %d started", opt->id);
-  gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
 
   gpr_log(GPR_INFO, "producer %d phase 1", opt->id);
@@ -291,18 +291,18 @@ static void producer_thread(void *arg) {
   }
 
   gpr_log(GPR_INFO, "producer %d phase 1 done", opt->id);
-  gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
 
   gpr_log(GPR_INFO, "producer %d phase 2", opt->id);
   for (i = 0; i < TEST_THREAD_EVENTS; i++) {
-    grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr)1, NULL, NULL, NULL,
-                               GRPC_OP_OK);
+    grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr) 1, NULL, NULL,
+                               NULL, GRPC_OP_OK);
     opt->events_triggered++;
   }
 
   gpr_log(GPR_INFO, "producer %d phase 2 done", opt->id);
-  gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
 }
 
 static void consumer_thread(void *arg) {
@@ -310,13 +310,13 @@ static void consumer_thread(void *arg) {
   grpc_event *ev;
 
   gpr_log(GPR_INFO, "consumer %d started", opt->id);
-  gpr_event_set(&opt->on_started, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_started, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->phase1, ten_seconds_time()));
 
   gpr_log(GPR_INFO, "consumer %d phase 1", opt->id);
 
   gpr_log(GPR_INFO, "consumer %d phase 1 done", opt->id);
-  gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr)1);
+  gpr_event_set(&opt->on_phase1_done, (void *)(gpr_intptr) 1);
   GPR_ASSERT(gpr_event_wait(opt->phase2, ten_seconds_time()));
 
   gpr_log(GPR_INFO, "consumer %d phase 2", opt->id);
@@ -331,7 +331,7 @@ static void consumer_thread(void *arg) {
         break;
       case GRPC_QUEUE_SHUTDOWN:
         gpr_log(GPR_INFO, "consumer %d phase 2 done", opt->id);
-        gpr_event_set(&opt->on_finished, (void *)(gpr_intptr)1);
+        gpr_event_set(&opt->on_finished, (void *)(gpr_intptr) 1);
         grpc_event_finish(ev);
         return;
       default:
@@ -376,7 +376,7 @@ static void test_threading(int producers, int consumers) {
   /* start phase1: producers will pre-declare all operations they will
      complete */
   gpr_log(GPR_INFO, "start phase 1");
-  gpr_event_set(&phase1, (void *)(gpr_intptr)1);
+  gpr_event_set(&phase1, (void *)(gpr_intptr) 1);
 
   gpr_log(GPR_INFO, "wait phase 1");
   for (i = 0; i < producers + consumers; i++) {
@@ -386,7 +386,7 @@ static void test_threading(int producers, int consumers) {
 
   /* start phase2: operations will complete, and consumers will consume them */
   gpr_log(GPR_INFO, "start phase 2");
-  gpr_event_set(&phase2, (void *)(gpr_intptr)1);
+  gpr_event_set(&phase2, (void *)(gpr_intptr) 1);
 
   /* in parallel, we shutdown the completion channel - all events should still
      be consumed */
diff --git a/test/core/transport/chttp2/stream_map_test.c b/test/core/transport/chttp2/stream_map_test.c
index 9b4446f7f8072b84986e71ed70f2ebe9dcd9df50..30cd63ca67d8b4a9acd04a7d3d209e470bc97770 100644
--- a/test/core/transport/chttp2/stream_map_test.c
+++ b/test/core/transport/chttp2/stream_map_test.c
@@ -93,7 +93,7 @@ static void test_basic_add_find(size_t n) {
   grpc_chttp2_stream_map_init(&map, 8);
   GPR_ASSERT(0 == grpc_chttp2_stream_map_size(&map));
   for (i = 1; i <= n; i++) {
-    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr)i);
+    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr) i);
   }
   GPR_ASSERT(n == grpc_chttp2_stream_map_size(&map));
   GPR_ASSERT(NULL == grpc_chttp2_stream_map_find(&map, 0));
@@ -148,7 +148,7 @@ static void test_delete_evens_sweep(size_t n) {
 
   grpc_chttp2_stream_map_init(&map, 8);
   for (i = 1; i <= n; i++) {
-    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr)i);
+    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr) i);
   }
   for (i = 1; i <= n; i++) {
     if ((i & 1) == 0) {
@@ -170,7 +170,7 @@ static void test_delete_evens_incremental(size_t n) {
 
   grpc_chttp2_stream_map_init(&map, 8);
   for (i = 1; i <= n; i++) {
-    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr)i);
+    grpc_chttp2_stream_map_add(&map, i, (void *)(gpr_uintptr) i);
     if ((i & 1) == 0) {
       grpc_chttp2_stream_map_delete(&map, i);
     }
diff --git a/tools/clang-format/clang-format-all.sh b/tools/clang-format/clang-format-all.sh
index c9caea0d613fade0de8b7da8fefc8a4b02fd38f4..62228b0b015138724791b94f4f495aa41ba10b55 100755
--- a/tools/clang-format/clang-format-all.sh
+++ b/tools/clang-format/clang-format-all.sh
@@ -1,8 +1,9 @@
 #!/bin/bash
-set -ex
+set -e
+source $(dirname $0)/config.sh
 cd $(dirname $0)/../..
 for dir in src test include
 do
-  find $dir -name '*.c' -or -name '*.cc' -or -name '*.h' | xargs clang-format -i
+  find $dir -name '*.c' -or -name '*.cc' -or -name '*.h' | xargs $CLANG_FORMAT -i
 done
 
diff --git a/tools/clang-format/config.sh b/tools/clang-format/config.sh
new file mode 100644
index 0000000000000000000000000000000000000000..3adf2678e7a422e5e32edb67997855d231822e5f
--- /dev/null
+++ b/tools/clang-format/config.sh
@@ -0,0 +1,11 @@
+CLANG_FORMAT=clang-format-3.5
+
+set -ex
+
+if not hash $CLANG_FORMAT 2>/dev/null; then
+  echo "$CLANG_FORMAT is needed but not installed"
+  echo "perhaps try:"
+  echo "  sudo apt-get install $CLANG_FORMAT"
+  exit 1
+fi
+