Rename async functions and the handlers like DoXxx, OnXxx.

webcc/http_async_client.cc

@@ -35,7 +35,7 @@ void HttpAsyncClient::Request(std::shared_ptr<HttpRequest> request,
   response_handler_ = response_handler;
 
   resolver_.async_resolve(tcp::v4(), request->host(), request->port(kHttpPort),
-                          std::bind(&HttpAsyncClient::ResolveHandler,
+                          std::bind(&HttpAsyncClient::OnResolve,
                                     shared_from_this(),
                                     std::placeholders::_1,
                                     std::placeholders::_2));
@@ -58,8 +58,8 @@ void HttpAsyncClient::Stop() {
   }
 }
 
-void HttpAsyncClient::ResolveHandler(boost::system::error_code ec,
-                                     tcp::resolver::results_type endpoints) {
+void HttpAsyncClient::OnResolve(boost::system::error_code ec,
+                                tcp::resolver::results_type endpoints) {
   if (ec) {
     LOG_ERRO("Can't resolve host (%s): %s, %s", ec.message().c_str(),
              request_->host().c_str(), request_->port().c_str());
@@ -67,15 +67,15 @@ void HttpAsyncClient::ResolveHandler(boost::system::error_code ec,
   } else {
     // ConnectHandler: void(boost::system::error_code, tcp::endpoint)
     boost::asio::async_connect(socket_, endpoints,
-                               std::bind(&HttpAsyncClient::ConnectHandler,
+                               std::bind(&HttpAsyncClient::OnConnect,
                                          shared_from_this(),
                                          std::placeholders::_1,
                                          std::placeholders::_2));
   }
 }
 
-void HttpAsyncClient::ConnectHandler(boost::system::error_code ec,
-                                     tcp::endpoint endpoint) {
+void HttpAsyncClient::OnConnect(boost::system::error_code ec,
+                                tcp::endpoint endpoint) {
   if (ec) {
     LOG_ERRO("Socket connect error (%s).", ec.message().c_str());
     Stop();
@@ -95,22 +95,22 @@ void HttpAsyncClient::ConnectHandler(boost::system::error_code ec,
   }
 
   // Connection established.
-  AsyncWrite();
+  DoWrite();
 }
 
-void HttpAsyncClient::AsyncWrite() {
+void HttpAsyncClient::DoWrite() {
   if (stopped_) {
     return;
   }
 
   boost::asio::async_write(socket_,
                            request_->ToBuffers(),
-                           std::bind(&HttpAsyncClient::WriteHandler,
+                           std::bind(&HttpAsyncClient::OnWrite,
                                      shared_from_this(),
                                      std::placeholders::_1));
 }
 
-void HttpAsyncClient::WriteHandler(boost::system::error_code ec) {
+void HttpAsyncClient::OnWrite(boost::system::error_code ec) {
   if (stopped_) {
     return;
   }
@@ -120,22 +120,22 @@ void HttpAsyncClient::WriteHandler(boost::system::error_code ec) {
     response_handler_(response_, kSocketWriteError, timed_out_);
   } else {
     deadline_.expires_from_now(boost::posix_time::seconds(timeout_seconds_));
-    AsyncWaitDeadline();
+    DoWaitDeadline();
 
-    AsyncRead();
+    DoRead();
   }
 }
 
-void HttpAsyncClient::AsyncRead() {
+void HttpAsyncClient::DoRead() {
   socket_.async_read_some(boost::asio::buffer(buffer_),
-                          std::bind(&HttpAsyncClient::ReadHandler,
+                          std::bind(&HttpAsyncClient::OnRead,
                                     shared_from_this(),
                                     std::placeholders::_1,
                                     std::placeholders::_2));
 }
 
-void HttpAsyncClient::ReadHandler(boost::system::error_code ec,
-                                  std::size_t length) {
+void HttpAsyncClient::OnRead(boost::system::error_code ec,
+                             std::size_t length) {
   LOG_VERB("Socket async read handler.");
 
   if (ec || length == 0) {
@@ -173,16 +173,16 @@ void HttpAsyncClient::ReadHandler(boost::system::error_code ec,
   }
 
   if (!stopped_) {
-    AsyncRead();
+    DoRead();
   }
 }
 
-void HttpAsyncClient::AsyncWaitDeadline() {
-  deadline_.async_wait(std::bind(&HttpAsyncClient::DeadlineHandler,
+void HttpAsyncClient::DoWaitDeadline() {
+  deadline_.async_wait(std::bind(&HttpAsyncClient::OnDeadline,
                                  shared_from_this(), std::placeholders::_1));
 }
 
-void HttpAsyncClient::DeadlineHandler(boost::system::error_code ec) {
+void HttpAsyncClient::OnDeadline(boost::system::error_code ec) {
   LOG_VERB("Deadline handler.");
 
   if (ec == boost::asio::error::operation_aborted) {

webcc/http_async_client.h

@@ -45,19 +45,19 @@ class HttpAsyncClient : public std::enable_shared_from_this<HttpAsyncClient> {
  private:
   using tcp = boost::asio::ip::tcp;
 
-  void ResolveHandler(boost::system::error_code ec,
-                      tcp::resolver::results_type results);
+  void OnResolve(boost::system::error_code ec,
+                 tcp::resolver::results_type results);
 
-  void ConnectHandler(boost::system::error_code ec, tcp::endpoint endpoint);
+  void OnConnect(boost::system::error_code ec, tcp::endpoint endpoint);
 
-  void AsyncWrite();
-  void WriteHandler(boost::system::error_code ec);
+  void DoWrite();
+  void OnWrite(boost::system::error_code ec);
 
-  void AsyncRead();
-  void ReadHandler(boost::system::error_code ec, std::size_t length);
+  void DoRead();
+  void OnRead(boost::system::error_code ec, std::size_t length);
 
-  void AsyncWaitDeadline();
-  void DeadlineHandler(boost::system::error_code ec);
+  void DoWaitDeadline();
+  void OnDeadline(boost::system::error_code ec);
 
   tcp::resolver resolver_;
   tcp::socket socket_;

webcc/http_connection.cc

@@ -20,7 +20,7 @@ HttpConnection::HttpConnection(boost::asio::ip::tcp::socket socket,
 }
 
 void HttpConnection::Start() {
-  AsyncRead();
+  DoRead();
 }
 
 void HttpConnection::Close() {
@@ -41,19 +41,19 @@ void HttpConnection::SetResponseContent(std::string&& content,
 void HttpConnection::SendResponse(HttpStatus::Enum status) {
   response_.set_status(status);
   response_.UpdateStartLine();
-  AsyncWrite();
+  DoWrite();
 }
 
-void HttpConnection::AsyncRead() {
+void HttpConnection::DoRead() {
   socket_.async_read_some(boost::asio::buffer(buffer_),
-                          std::bind(&HttpConnection::ReadHandler,
+                          std::bind(&HttpConnection::OnRead,
                                     shared_from_this(),
                                     std::placeholders::_1,
                                     std::placeholders::_2));
 }
 
-void HttpConnection::ReadHandler(boost::system::error_code ec,
-                                 std::size_t length) {
+void HttpConnection::OnRead(boost::system::error_code ec,
+                            std::size_t length) {
   if (ec) {
     LOG_ERRO("Socket read error: %s", ec.message().c_str());
     if (ec != boost::asio::error::operation_aborted) {
@@ -66,13 +66,13 @@ void HttpConnection::ReadHandler(boost::system::error_code ec,
     // Bad request.
     LOG_ERRO("Failed to parse HTTP request.");
     response_ = HttpResponse::Fault(HttpStatus::kBadRequest);
-    AsyncWrite();
+    DoWrite();
     return;
   }
 
   if (!request_parser_.finished()) {
     // Continue to read the request.
-    AsyncRead();
+    DoRead();
     return;
   }
 
@@ -83,12 +83,12 @@ void HttpConnection::ReadHandler(boost::system::error_code ec,
   request_handler_->Enqueue(shared_from_this());
 }
 
-void HttpConnection::AsyncWrite() {
+void HttpConnection::DoWrite() {
   LOG_VERB("HTTP response:\n%s", response_.Dump(4, "> ").c_str());
 
   boost::asio::async_write(socket_,
                            response_.ToBuffers(),
-                           std::bind(&HttpConnection::WriteHandler,
+                           std::bind(&HttpConnection::OnWrite,
                                      shared_from_this(),
                                      std::placeholders::_1,
                                      std::placeholders::_2));
@@ -98,8 +98,8 @@ void HttpConnection::AsyncWrite() {
 // This write handler will be called from main thread (the thread calling
 // io_context.run), even though AsyncWrite() is invoked by worker threads.
 // This is ensured by Asio.
-void HttpConnection::WriteHandler(boost::system::error_code ec,
-                                  std::size_t length) {
+void HttpConnection::OnWrite(boost::system::error_code ec,
+                             std::size_t length) {
   if (ec) {
     LOG_ERRO("Socket write error: %s", ec.message().c_str());
 

webcc/http_connection.h

@@ -39,11 +39,11 @@ class HttpConnection : public std::enable_shared_from_this<HttpConnection> {
   void SendResponse(HttpStatus::Enum status);
 
  private:
-  void AsyncRead();
-  void ReadHandler(boost::system::error_code ec, std::size_t length);
+  void DoRead();
+  void OnRead(boost::system::error_code ec, std::size_t length);
 
-  void AsyncWrite();
-  void WriteHandler(boost::system::error_code ec, std::size_t length);
+  void DoWrite();
+  void OnWrite(boost::system::error_code ec, std::size_t length);
 
   // Shutdown the socket.
   void Shutdown();

webcc/http_server.cc

@@ -61,9 +61,9 @@ void HttpServer::Run() {
 
   LOG_INFO("Server is going to run...");
 
-  AsyncAwaitStop();
+  DoAwaitStop();
 
-  AsyncAccept();
+  DoAccept();
 
   // Start worker threads.
   GetRequestHandler()->Start(workers_);
@@ -84,7 +84,7 @@ void HttpServer::RegisterSignals() {
 #endif
 }
 
-void HttpServer::AsyncAccept() {
+void HttpServer::DoAccept() {
   acceptor_.async_accept(
       [this](boost::system::error_code ec, tcp::socket socket) {
         // Check whether the server was stopped by a signal before this
@@ -96,17 +96,15 @@ void HttpServer::AsyncAccept() {
         if (!ec) {
           LOG_INFO("Accepted a connection.");
 
-          HttpConnectionPtr connection{
-            new HttpConnection(std::move(socket), GetRequestHandler())
-          };
-          connection->Start();
+          std::make_shared<HttpConnection>(std::move(socket),
+                                           GetRequestHandler())->Start();
         }
 
-        AsyncAccept();
+        DoAccept();
       });
 }
 
-void HttpServer::AsyncAwaitStop() {
+void HttpServer::DoAwaitStop() {
   signals_.async_wait(
       [this](boost::system::error_code, int signo) {
         // The server is stopped by canceling all outstanding asynchronous

webcc/http_server.h

@@ -32,10 +32,10 @@ class HttpServer {
   void RegisterSignals();
 
   // Initiate an asynchronous accept operation.
-  void AsyncAccept();
+  void DoAccept();
 
   // Wait for a request to stop the server.
-  void AsyncAwaitStop();
+  void DoAwaitStop();
 
   // Get the handler for incoming requests.
   virtual HttpRequestHandler* GetRequestHandler() = 0;