clang-format C++ examples (#25764)

examples/cpp/compression/greeter_client.cc

@@ -32,9 +32,9 @@ using grpc::Channel;
 using grpc::ChannelArguments;
 using grpc::ClientContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class GreeterClient {
  public:

examples/cpp/compression/greeter_server.cc

@@ -32,9 +32,9 @@ using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 // Logic and data behind the server's behavior.
 class GreeterServiceImpl final : public Greeter::Service {

examples/cpp/helloworld/cocoapods/HelloWorldCpp/AppDelegate.h

@@ -19,5 +19,5 @@
 #import <UIKit/UIKit.h>
 
 @interface AppDelegate : UIResponder <UIApplicationDelegate>
-@property (strong, nonatomic) UIWindow *window;
+@property(strong, nonatomic) UIWindow *window;
 @end

examples/cpp/helloworld/cocoapods/HelloWorldCpp/ViewController.h

@@ -20,4 +20,3 @@
 
 @interface ViewController : UIViewController
 @end
-

examples/cpp/helloworld/cocoapods/HelloWorldCpp/ViewController.mm

@@ -18,14 +18,15 @@
 
 #import "ViewController.h"
 #import <grpcpp/grpcpp.h>
-#include <grpcpp/generic/generic_stub.h>
+
 #include <grpcpp/generic/async_generic_service.h>
+#include <grpcpp/generic/generic_stub.h>
 
 static void* tag(int i) { return (void*)(intptr_t)i; }
 
 // Serialized Proto bytes of Hello World example
-const uint8_t kMessage[] =
-    {0x0A, 0x0B, 0x4F, 0x62, 0x6A, 0x65, 0x63, 0x74, 0x69, 0x76, 0x65, 0x2D, 0x43};
+const uint8_t kMessage[] = {0x0A, 0x0B, 0x4F, 0x62, 0x6A, 0x65, 0x63,
+                            0x74, 0x69, 0x76, 0x65, 0x2D, 0x43};
 
 @interface ViewController ()
 
@@ -57,7 +58,7 @@ const uint8_t kMessage[] =
     abort();
   }
   grpc::Slice send_slice = grpc::Slice(kMessage, sizeof(kMessage) / sizeof(kMessage[0]));
-      std::unique_ptr<grpc::ByteBuffer> send_buffer(new grpc::ByteBuffer(&send_slice, 1));
+  std::unique_ptr<grpc::ByteBuffer> send_buffer(new grpc::ByteBuffer(&send_slice, 1));
   call->Write(*send_buffer, tag(2));
   cq_.Next(&got_tag, &ok);
   if (!ok || got_tag != tag(2)) {
@@ -85,17 +86,17 @@ const uint8_t kMessage[] =
   }
   std::vector<grpc::Slice> slices;
   recv_buffer.Dump(&slices);
-  NSString *recvBytes = [[NSString alloc] init];
+  NSString* recvBytes = [[NSString alloc] init];
   for (auto slice : slices) {
     auto p = slice.begin();
     while (p != slice.end()) {
-      recvBytes =
-          [recvBytes stringByAppendingString:[NSString stringWithFormat:@"%02x ", *p]];
+      recvBytes = [recvBytes stringByAppendingString:[NSString stringWithFormat:@"%02x ", *p]];
       p++;
     }
   }
   NSLog(@"Hello World succeeded.\nReceived bytes: %@\n"
-        "Expected bytes: 0a 11 48 65 6c 6c 6f 20 4f 62 6a 65 63 74 69 76 65 2d 43", recvBytes);
+         "Expected bytes: 0a 11 48 65 6c 6c 6f 20 4f 62 6a 65 63 74 69 76 65 2d 43",
+        recvBytes);
 }
 
 @end

examples/cpp/helloworld/cocoapods/HelloWorldCpp/main.m

@@ -19,8 +19,8 @@
 #import <UIKit/UIKit.h>
 #import "AppDelegate.h"
 
-int main(int argc, char * argv[]) {
+int main(int argc, char* argv[]) {
   @autoreleasepool {
-      return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
   }
 }

examples/cpp/helloworld/greeter_async_client.cc

@@ -20,8 +20,8 @@
 #include <memory>
 #include <string>
 
-#include <grpcpp/grpcpp.h>
 #include <grpc/support/log.h>
+#include <grpcpp/grpcpp.h>
 
 #ifdef BAZEL_BUILD
 #include "examples/protos/helloworld.grpc.pb.h"
@@ -34,9 +34,9 @@ using grpc::ClientAsyncResponseReader;
 using grpc::ClientContext;
 using grpc::CompletionQueue;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class GreeterClient {
  public:

examples/cpp/helloworld/greeter_async_client2.cc

@@ -20,8 +20,8 @@
 #include <memory>
 #include <string>
 
-#include <grpcpp/grpcpp.h>
 #include <grpc/support/log.h>
+#include <grpcpp/grpcpp.h>
 #include <thread>
 
 #ifdef BAZEL_BUILD
@@ -35,113 +35,109 @@ using grpc::ClientAsyncResponseReader;
 using grpc::ClientContext;
 using grpc::CompletionQueue;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class GreeterClient {
-  public:
-    explicit GreeterClient(std::shared_ptr<Channel> channel)
-            : stub_(Greeter::NewStub(channel)) {}
-
-    // Assembles the client's payload and sends it to the server.
-    void SayHello(const std::string& user) {
-        // Data we are sending to the server.
-        HelloRequest request;
-        request.set_name(user);
-
-        // Call object to store rpc data
-        AsyncClientCall* call = new AsyncClientCall;
-
-        // stub_->PrepareAsyncSayHello() creates an RPC object, returning
-        // an instance to store in "call" but does not actually start the RPC
-        // Because we are using the asynchronous API, we need to hold on to
-        // the "call" instance in order to get updates on the ongoing RPC.
-        call->response_reader =
-            stub_->PrepareAsyncSayHello(&call->context, request, &cq_);
-
-        // StartCall initiates the RPC call
-        call->response_reader->StartCall();
-
-        // Request that, upon completion of the RPC, "reply" be updated with the
-        // server's response; "status" with the indication of whether the operation
-        // was successful. Tag the request with the memory address of the call object.
-        call->response_reader->Finish(&call->reply, &call->status, (void*)call);
-
+ public:
+  explicit GreeterClient(std::shared_ptr<Channel> channel)
+      : stub_(Greeter::NewStub(channel)) {}
+
+  // Assembles the client's payload and sends it to the server.
+  void SayHello(const std::string& user) {
+    // Data we are sending to the server.
+    HelloRequest request;
+    request.set_name(user);
+
+    // Call object to store rpc data
+    AsyncClientCall* call = new AsyncClientCall;
+
+    // stub_->PrepareAsyncSayHello() creates an RPC object, returning
+    // an instance to store in "call" but does not actually start the RPC
+    // Because we are using the asynchronous API, we need to hold on to
+    // the "call" instance in order to get updates on the ongoing RPC.
+    call->response_reader =
+        stub_->PrepareAsyncSayHello(&call->context, request, &cq_);
+
+    // StartCall initiates the RPC call
+    call->response_reader->StartCall();
+
+    // Request that, upon completion of the RPC, "reply" be updated with the
+    // server's response; "status" with the indication of whether the operation
+    // was successful. Tag the request with the memory address of the call
+    // object.
+    call->response_reader->Finish(&call->reply, &call->status, (void*)call);
+  }
+
+  // Loop while listening for completed responses.
+  // Prints out the response from the server.
+  void AsyncCompleteRpc() {
+    void* got_tag;
+    bool ok = false;
+
+    // Block until the next result is available in the completion queue "cq".
+    while (cq_.Next(&got_tag, &ok)) {
+      // The tag in this example is the memory location of the call object
+      AsyncClientCall* call = static_cast<AsyncClientCall*>(got_tag);
+
+      // Verify that the request was completed successfully. Note that "ok"
+      // corresponds solely to the request for updates introduced by Finish().
+      GPR_ASSERT(ok);
+
+      if (call->status.ok())
+        std::cout << "Greeter received: " << call->reply.message() << std::endl;
+      else
+        std::cout << "RPC failed" << std::endl;
+
+      // Once we're complete, deallocate the call object.
+      delete call;
     }
+  }
 
-    // Loop while listening for completed responses.
-    // Prints out the response from the server.
-    void AsyncCompleteRpc() {
-        void* got_tag;
-        bool ok = false;
-
-        // Block until the next result is available in the completion queue "cq".
-        while (cq_.Next(&got_tag, &ok)) {
-            // The tag in this example is the memory location of the call object
-            AsyncClientCall* call = static_cast<AsyncClientCall*>(got_tag);
-
-            // Verify that the request was completed successfully. Note that "ok"
-            // corresponds solely to the request for updates introduced by Finish().
-            GPR_ASSERT(ok);
-
-            if (call->status.ok())
-                std::cout << "Greeter received: " << call->reply.message() << std::endl;
-            else
-                std::cout << "RPC failed" << std::endl;
-
-            // Once we're complete, deallocate the call object.
-            delete call;
-        }
-    }
-
-  private:
-
-    // struct for keeping state and data information
-    struct AsyncClientCall {
-        // Container for the data we expect from the server.
-        HelloReply reply;
-
-        // Context for the client. It could be used to convey extra information to
-        // the server and/or tweak certain RPC behaviors.
-        ClientContext context;
+ private:
+  // struct for keeping state and data information
+  struct AsyncClientCall {
+    // Container for the data we expect from the server.
+    HelloReply reply;
 
-        // Storage for the status of the RPC upon completion.
-        Status status;
+    // Context for the client. It could be used to convey extra information to
+    // the server and/or tweak certain RPC behaviors.
+    ClientContext context;
 
+    // Storage for the status of the RPC upon completion.
+    Status status;
 
-        std::unique_ptr<ClientAsyncResponseReader<HelloReply>> response_reader;
-    };
+    std::unique_ptr<ClientAsyncResponseReader<HelloReply>> response_reader;
+  };
 
-    // Out of the passed in Channel comes the stub, stored here, our view of the
-    // server's exposed services.
-    std::unique_ptr<Greeter::Stub> stub_;
+  // Out of the passed in Channel comes the stub, stored here, our view of the
+  // server's exposed services.
+  std::unique_ptr<Greeter::Stub> stub_;
 
-    // The producer-consumer queue we use to communicate asynchronously with the
-    // gRPC runtime.
-    CompletionQueue cq_;
+  // The producer-consumer queue we use to communicate asynchronously with the
+  // gRPC runtime.
+  CompletionQueue cq_;
 };
 
 int main(int argc, char** argv) {
+  // Instantiate the client. It requires a channel, out of which the actual RPCs
+  // are created. This channel models a connection to an endpoint (in this case,
+  // localhost at port 50051). We indicate that the channel isn't authenticated
+  // (use of InsecureChannelCredentials()).
+  GreeterClient greeter(grpc::CreateChannel(
+      "localhost:50051", grpc::InsecureChannelCredentials()));
 
+  // Spawn reader thread that loops indefinitely
+  std::thread thread_ = std::thread(&GreeterClient::AsyncCompleteRpc, &greeter);
 
-    // Instantiate the client. It requires a channel, out of which the actual RPCs
-    // are created. This channel models a connection to an endpoint (in this case,
-    // localhost at port 50051). We indicate that the channel isn't authenticated
-    // (use of InsecureChannelCredentials()).
-    GreeterClient greeter(grpc::CreateChannel(
-            "localhost:50051", grpc::InsecureChannelCredentials()));
-
-    // Spawn reader thread that loops indefinitely
-    std::thread thread_ = std::thread(&GreeterClient::AsyncCompleteRpc, &greeter);
-
-    for (int i = 0; i < 100; i++) {
-        std::string user("world " + std::to_string(i));
-        greeter.SayHello(user);  // The actual RPC call!
-    }
+  for (int i = 0; i < 100; i++) {
+    std::string user("world " + std::to_string(i));
+    greeter.SayHello(user);  // The actual RPC call!
+  }
 
-    std::cout << "Press control-c to quit" << std::endl << std::endl;
-    thread_.join();  //blocks forever
+  std::cout << "Press control-c to quit" << std::endl << std::endl;
+  thread_.join();  // blocks forever
 
-    return 0;
+  return 0;
 }

examples/cpp/helloworld/greeter_async_server.cc

@@ -16,13 +16,13 @@
  *
  */
 
-#include <memory>
 #include <iostream>
+#include <memory>
 #include <string>
 #include <thread>
 
-#include <grpcpp/grpcpp.h>
 #include <grpc/support/log.h>
+#include <grpcpp/grpcpp.h>
 
 #ifdef BAZEL_BUILD
 #include "examples/protos/helloworld.grpc.pb.h"
@@ -33,12 +33,12 @@
 using grpc::Server;
 using grpc::ServerAsyncResponseWriter;
 using grpc::ServerBuilder;
-using grpc::ServerContext;
 using grpc::ServerCompletionQueue;
+using grpc::ServerContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class ServerImpl final {
  public:

examples/cpp/helloworld/greeter_client.cc

@@ -31,9 +31,9 @@
 using grpc::Channel;
 using grpc::ClientContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class GreeterClient {
  public:
@@ -87,7 +87,8 @@ int main(int argc, char** argv) {
       if (arg_val[start_pos] == '=') {
         target_str = arg_val.substr(start_pos + 1);
       } else {
-        std::cout << "The only correct argument syntax is --target=" << std::endl;
+        std::cout << "The only correct argument syntax is --target="
+                  << std::endl;
         return 0;
       }
     } else {
@@ -97,8 +98,8 @@ int main(int argc, char** argv) {
   } else {
     target_str = "localhost:50051";
   }
-  GreeterClient greeter(grpc::CreateChannel(
-      target_str, grpc::InsecureChannelCredentials()));
+  GreeterClient greeter(
+      grpc::CreateChannel(target_str, grpc::InsecureChannelCredentials()));
   std::string user("world");
   std::string reply = greeter.SayHello(user);
   std::cout << "Greeter received: " << reply << std::endl;

examples/cpp/helloworld/greeter_server.cc

@@ -20,9 +20,9 @@
 #include <memory>
 #include <string>
 
+#include <grpcpp/ext/proto_server_reflection_plugin.h>
 #include <grpcpp/grpcpp.h>
 #include <grpcpp/health_check_service_interface.h>
-#include <grpcpp/ext/proto_server_reflection_plugin.h>
 
 #ifdef BAZEL_BUILD
 #include "examples/protos/helloworld.grpc.pb.h"
@@ -34,9 +34,9 @@ using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 // Logic and data behind the server's behavior.
 class GreeterServiceImpl final : public Greeter::Service {

examples/cpp/load_balancing/greeter_client.cc

@@ -32,9 +32,9 @@ using grpc::Channel;
 using grpc::ChannelArguments;
 using grpc::ClientContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class GreeterClient {
  public:

examples/cpp/load_balancing/greeter_server.cc

@@ -32,9 +32,9 @@ using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 // Logic and data behind the server's behavior.
 class GreeterServiceImpl final : public Greeter::Service {

examples/cpp/metadata/greeter_client.cc

@@ -31,9 +31,9 @@
 using grpc::Channel;
 using grpc::ClientContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 class CustomHeaderClient {
  public:
@@ -57,9 +57,8 @@ class CustomHeaderClient {
     // Setting custom metadata to be sent to the server
     context.AddMetadata("custom-header", "Custom Value");
 
-    // Setting custom binary metadata 
-    char bytes[8] = {'\0', '\1', '\2', '\3',
-                     '\4', '\5', '\6', '\7'};
+    // Setting custom binary metadata
+    char bytes[8] = {'\0', '\1', '\2', '\3', '\4', '\5', '\6', '\7'};
     context.AddMetadata("custom-bin", std::string(bytes, 8));
 
     // The actual RPC.
@@ -67,8 +66,16 @@ class CustomHeaderClient {
 
     // Act upon its status.
     if (status.ok()) {
-      std::cout << "Client received initial metadata from server: " << context.GetServerInitialMetadata().find("custom-server-metadata")->second << std::endl;
-      std::cout << "Client received trailing metadata from server: " << context.GetServerTrailingMetadata().find("custom-trailing-metadata")->second << std::endl;
+      std::cout << "Client received initial metadata from server: "
+                << context.GetServerInitialMetadata()
+                       .find("custom-server-metadata")
+                       ->second
+                << std::endl;
+      std::cout << "Client received trailing metadata from server: "
+                << context.GetServerTrailingMetadata()
+                       .find("custom-trailing-metadata")
+                       ->second
+                << std::endl;
       return reply.message();
     } else {
       std::cout << status.error_code() << ": " << status.error_message()

examples/cpp/metadata/greeter_server.cc

@@ -32,9 +32,9 @@ using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
 using grpc::Status;
-using helloworld::HelloRequest;
-using helloworld::HelloReply;
 using helloworld::Greeter;
+using helloworld::HelloReply;
+using helloworld::HelloRequest;
 
 // Logic and data behind the server's behavior.
 class GreeterServiceImpl final : public Greeter::Service {
@@ -44,25 +44,28 @@ class GreeterServiceImpl final : public Greeter::Service {
 
     // Get the client's initial metadata
     std::cout << "Client metadata: " << std::endl;
-    const std::multimap<grpc::string_ref, grpc::string_ref> metadata = context->client_metadata();
+    const std::multimap<grpc::string_ref, grpc::string_ref> metadata =
+        context->client_metadata();
     for (auto iter = metadata.begin(); iter != metadata.end(); ++iter) {
       std::cout << "Header key: " << iter->first << ", value: ";
       // Check for binary value
       size_t isbin = iter->first.find("-bin");
       if ((isbin != std::string::npos) && (isbin + 4 == iter->first.size())) {
-        std::cout <<  std::hex;
+        std::cout << std::hex;
         for (auto c : iter->second) {
           std::cout << static_cast<unsigned int>(c);
         }
-        std::cout <<  std::dec;
+        std::cout << std::dec;
       } else {
         std::cout << iter->second;
       }
       std::cout << std::endl;
     }
 
-    context->AddInitialMetadata("custom-server-metadata", "initial metadata value");
-    context->AddTrailingMetadata("custom-trailing-metadata", "trailing metadata value");
+    context->AddInitialMetadata("custom-server-metadata",
+                                "initial metadata value");
+    context->AddTrailingMetadata("custom-trailing-metadata",
+                                 "trailing metadata value");
     reply->set_message(prefix + request->name());
     return Status::OK;
   }

examples/cpp/route_guide/helper.h

@@ -32,4 +32,3 @@ void ParseDb(const std::string& db, std::vector<Feature>* feature_list);
 }  // namespace routeguide
 
 #endif  // GRPC_COMMON_CPP_ROUTE_GUIDE_HELPER_H_
-

examples/cpp/route_guide/route_guide_client.cc

@@ -41,12 +41,12 @@ using grpc::ClientReader;
 using grpc::ClientReaderWriter;
 using grpc::ClientWriter;
 using grpc::Status;
-using routeguide::Point;
 using routeguide::Feature;
+using routeguide::Point;
 using routeguide::Rectangle;
-using routeguide::RouteSummary;
-using routeguide::RouteNote;
 using routeguide::RouteGuide;
+using routeguide::RouteNote;
+using routeguide::RouteSummary;
 
 Point MakePoint(long latitude, long longitude) {
   Point p;
@@ -55,16 +55,15 @@ Point MakePoint(long latitude, long longitude) {
   return p;
 }
 
-Feature MakeFeature(const std::string& name,
-                    long latitude, long longitude) {
+Feature MakeFeature(const std::string& name, long latitude, long longitude) {
   Feature f;
   f.set_name(name);
   f.mutable_location()->CopyFrom(MakePoint(latitude, longitude));
   return f;
 }
 
-RouteNote MakeRouteNote(const std::string& message,
-                        long latitude, long longitude) {
+RouteNote MakeRouteNote(const std::string& message, long latitude,
+                        long longitude) {
   RouteNote n;
   n.set_message(message);
   n.mutable_location()->CopyFrom(MakePoint(latitude, longitude));
@@ -102,10 +101,9 @@ class RouteGuideClient {
     std::unique_ptr<ClientReader<Feature> > reader(
         stub_->ListFeatures(&context, rect));
     while (reader->Read(&feature)) {
-      std::cout << "Found feature called "
-                << feature.name() << " at "
-                << feature.location().latitude()/kCoordFactor_ << ", "
-                << feature.location().longitude()/kCoordFactor_ << std::endl;
+      std::cout << "Found feature called " << feature.name() << " at "
+                << feature.location().latitude() / kCoordFactor_ << ", "
+                << feature.location().longitude() / kCoordFactor_ << std::endl;
     }
     Status status = reader->Finish();
     if (status.ok()) {
@@ -125,22 +123,21 @@ class RouteGuideClient {
     std::default_random_engine generator(seed);
     std::uniform_int_distribution<int> feature_distribution(
         0, feature_list_.size() - 1);
-    std::uniform_int_distribution<int> delay_distribution(
-        500, 1500);
+    std::uniform_int_distribution<int> delay_distribution(500, 1500);
 
     std::unique_ptr<ClientWriter<Point> > writer(
         stub_->RecordRoute(&context, &stats));
     for (int i = 0; i < kPoints; i++) {
       const Feature& f = feature_list_[feature_distribution(generator)];
-      std::cout << "Visiting point "
-                << f.location().latitude()/kCoordFactor_ << ", "
-                << f.location().longitude()/kCoordFactor_ << std::endl;
+      std::cout << "Visiting point " << f.location().latitude() / kCoordFactor_
+                << ", " << f.location().longitude() / kCoordFactor_
+                << std::endl;
       if (!writer->Write(f.location())) {
         // Broken stream.
         break;
       }
-      std::this_thread::sleep_for(std::chrono::milliseconds(
-          delay_distribution(generator)));
+      std::this_thread::sleep_for(
+          std::chrono::milliseconds(delay_distribution(generator)));
     }
     writer->WritesDone();
     Status status = writer->Finish();
@@ -162,14 +159,13 @@ class RouteGuideClient {
         stub_->RouteChat(&context));
 
     std::thread writer([stream]() {
-      std::vector<RouteNote> notes{
-        MakeRouteNote("First message", 0, 0),
-        MakeRouteNote("Second message", 0, 1),
-        MakeRouteNote("Third message", 1, 0),
-        MakeRouteNote("Fourth message", 0, 0)};
+      std::vector<RouteNote> notes{MakeRouteNote("First message", 0, 0),
+                                   MakeRouteNote("Second message", 0, 1),
+                                   MakeRouteNote("Third message", 1, 0),
+                                   MakeRouteNote("Fourth message", 0, 0)};
       for (const RouteNote& note : notes) {
-        std::cout << "Sending message " << note.message()
-                  << " at " << note.location().latitude() << ", "
+        std::cout << "Sending message " << note.message() << " at "
+                  << note.location().latitude() << ", "
                   << note.location().longitude() << std::endl;
         stream->Write(note);
       }
@@ -178,8 +174,8 @@ class RouteGuideClient {
 
     RouteNote server_note;
     while (stream->Read(&server_note)) {
-      std::cout << "Got message " << server_note.message()
-                << " at " << server_note.location().latitude() << ", "
+      std::cout << "Got message " << server_note.message() << " at "
+                << server_note.location().latitude() << ", "
                 << server_note.location().longitude() << std::endl;
     }
     writer.join();
@@ -190,7 +186,6 @@ class RouteGuideClient {
   }
 
  private:
-
   bool GetOneFeature(const Point& point, Feature* feature) {
     ClientContext context;
     Status status = stub_->GetFeature(&context, point, feature);
@@ -204,12 +199,12 @@ class RouteGuideClient {
     }
     if (feature->name().empty()) {
       std::cout << "Found no feature at "
-                << feature->location().latitude()/kCoordFactor_ << ", "
-                << feature->location().longitude()/kCoordFactor_ << std::endl;
+                << feature->location().latitude() / kCoordFactor_ << ", "
+                << feature->location().longitude() / kCoordFactor_ << std::endl;
     } else {
-      std::cout << "Found feature called " << feature->name()  << " at "
-                << feature->location().latitude()/kCoordFactor_ << ", "
-                << feature->location().longitude()/kCoordFactor_ << std::endl;
+      std::cout << "Found feature called " << feature->name() << " at "
+                << feature->location().latitude() / kCoordFactor_ << ", "
+                << feature->location().longitude() / kCoordFactor_ << std::endl;
     }
     return true;
   }

examples/cpp/route_guide/route_guide_server.cc

@@ -24,10 +24,10 @@
 #include <string>
 
 #include <grpc/grpc.h>
+#include <grpcpp/security/server_credentials.h>
 #include <grpcpp/server.h>
 #include <grpcpp/server_builder.h>
 #include <grpcpp/server_context.h>
-#include <grpcpp/security/server_credentials.h>
 #include "helper.h"
 #ifdef BAZEL_BUILD
 #include "examples/protos/route_guide.grpc.pb.h"
@@ -42,18 +42,15 @@ using grpc::ServerReader;
 using grpc::ServerReaderWriter;
 using grpc::ServerWriter;
 using grpc::Status;
-using routeguide::Point;
 using routeguide::Feature;
+using routeguide::Point;
 using routeguide::Rectangle;
-using routeguide::RouteSummary;
-using routeguide::RouteNote;
 using routeguide::RouteGuide;
+using routeguide::RouteNote;
+using routeguide::RouteSummary;
 using std::chrono::system_clock;
 
-
-float ConvertToRadians(float num) {
-  return num * 3.1415926 /180;
-}
+float ConvertToRadians(float num) { return num * 3.1415926 / 180; }
 
 // The formula is based on http://mathforum.org/library/drmath/view/51879.html
 float GetDistance(const Point& start, const Point& end) {
@@ -64,13 +61,13 @@ float GetDistance(const Point& start, const Point& end) {
   float lon_2 = end.longitude() / kCoordFactor;
   float lat_rad_1 = ConvertToRadians(lat_1);
   float lat_rad_2 = ConvertToRadians(lat_2);
-  float delta_lat_rad = ConvertToRadians(lat_2-lat_1);
-  float delta_lon_rad = ConvertToRadians(lon_2-lon_1);
+  float delta_lat_rad = ConvertToRadians(lat_2 - lat_1);
+  float delta_lon_rad = ConvertToRadians(lon_2 - lon_1);
 
-  float a = pow(sin(delta_lat_rad/2), 2) + cos(lat_rad_1) * cos(lat_rad_2) *
-            pow(sin(delta_lon_rad/2), 2);
-  float c = 2 * atan2(sqrt(a), sqrt(1-a));
-  int R = 6371000; // metres
+  float a = pow(sin(delta_lat_rad / 2), 2) +
+            cos(lat_rad_1) * cos(lat_rad_2) * pow(sin(delta_lon_rad / 2), 2);
+  float c = 2 * atan2(sqrt(a), sqrt(1 - a));
+  int R = 6371000;  // metres
 
   return R * c;
 }
@@ -111,8 +108,7 @@ class RouteGuideImpl final : public RouteGuide::Service {
     for (const Feature& f : feature_list_) {
       if (f.location().longitude() >= left &&
           f.location().longitude() <= right &&
-          f.location().latitude() >= bottom &&
-          f.location().latitude() <= top) {
+          f.location().latitude() >= bottom && f.location().latitude() <= top) {
         writer->Write(f);
       }
     }
@@ -142,8 +138,8 @@ class RouteGuideImpl final : public RouteGuide::Service {
     summary->set_point_count(point_count);
     summary->set_feature_count(feature_count);
     summary->set_distance(static_cast<long>(distance));
-    auto secs = std::chrono::duration_cast<std::chrono::seconds>(
-        end_time - start_time);
+    auto secs =
+        std::chrono::duration_cast<std::chrono::seconds>(end_time - start_time);
     summary->set_elapsed_time(secs.count());
 
     return Status::OK;

tools/dockerfile/grpc_clang_format/clang_format_all_the_things.sh

@@ -16,7 +16,7 @@
 set -e
 
 # directories to run against
-DIRS="src/core/lib src/core/tsi src/core/ext src/cpp test/core test/cpp include src/compiler src/csharp src/ruby third_party/address_sorting src/objective-c tools/distrib/python"
+DIRS="examples/cpp src/core/lib src/core/tsi src/core/ext src/cpp test/core test/cpp include src/compiler src/csharp src/ruby third_party/address_sorting src/objective-c tools/distrib/python"
 
 # file matching patterns to check
 GLOB="*.h *.c *.cc *.m *.mm"