Get app port

include/crow/app.h

@@ -123,6 +123,11 @@ namespace crow
             return *this;
         }
 
+        std::uint16_t port()
+        {
+            return port_;
+        }
+
         ///Set the connection timeout in seconds (default is 5)
         self_t& timeout(std::uint8_t timeout)
         {

include/crow/http_server.h

@@ -147,6 +147,9 @@ namespace crow
                         });
             }
 
+            port_ = acceptor_.local_endpoint().port();
+            handler_->port(port_);
+
             CROW_LOG_INFO << server_name_ << " server is running at " << bindaddr_ <<":" << acceptor_.local_endpoint().port()
                           << " using " << concurrency_ << " threads";
             CROW_LOG_INFO << "Call `app.loglevel(crow::LogLevel::Warning)` to hide Info level logs.";

tests/unittest.cpp

@@ -2323,3 +2323,21 @@ TEST_CASE("base64")
     CHECK(crow::utility::base64decode(sample_bin2_enc,8) == std::string(reinterpret_cast<char const*>(sample_bin2)).substr(0,4));
     CHECK(crow::utility::base64decode(sample_bin2_enc_np, 6) == std::string(reinterpret_cast<char const*>(sample_bin2)).substr(0,4));
 }
+
+
+TEST_CASE("get_port")
+{
+    SimpleApp app;
+
+    const std::uint16_t port = 12345;
+
+    std::thread runTest([&]() {
+        app.port(port).run();
+    });
+
+    app.wait_for_server_start();
+    CHECK(app.port() == port);
+    app.stop();
+
+    runTest.join();
+}