Add address() method to the TcpServer class (#99)

Author: an-tao

trantor/net/TcpServer.cc

@@ -179,6 +179,11 @@ const std::string TcpServer::ipPort() const
     return acceptorPtr_->addr().toIpPort();
 }
 
+const trantor::InetAddress &TcpServer::address() const
+{
+    return acceptorPtr_->addr();
+}
+
 void TcpServer::enableSSL(const std::string &certPath,
                           const std::string &keyPath)
 {

trantor/net/TcpServer.h

@@ -83,6 +83,7 @@ class TcpServer : NonCopyable
         return serverName_;
     }
     const std::string ipPort() const;
+    const trantor::InetAddress &address() const;
     EventLoop *getLoop() const
     {
         return loop_;

trantor/net/inner/Acceptor.cc

@@ -38,6 +38,10 @@ Acceptor::Acceptor(EventLoop *loop,
     sock_.setReusePort(reUsePort);
     sock_.bindAddress(addr_);
     acceptChannel_.setReadCallback(std::bind(&Acceptor::readCallback, this));
+    if (addr_.toPort() == 0)
+    {
+        addr_ = InetAddress{Socket::getLocalAddr(sock_.fd())};
+    }
 }
 Acceptor::~Acceptor()
 {