chg: Move local endpoint name retrieval to utility header

src/net/client_factory.hpp

@@ -12,15 +12,6 @@ namespace rmrf::net {
     [[nodiscard]] std::unique_ptr<udp_client> client_factory_construct_udp_client(const socketaddr& socket_identifier, connection_client::incomming_data_cb cb = nullptr);
     [[nodiscard]] std::unique_ptr<tcp_client> client_factory_construct_tcp_client(const socketaddr& socket_identifier, connection_client::incomming_data_cb cb = nullptr);
     
-    /**
-     * This method queries the remote address of a connected client. Please note that only TCP sockets are supported
-     * at the moment. This operation will fail if an unsupported socket type is provided.
-     * @brief Get the address of the connected remote client
-     * @param socket The socket representing the client
-     * @return The remote socketaddr pair
-     */
-    [[nodiscard]] socketaddr get_own_address_after_connect(const auto_fd& socket);
-    
     /**
      * This method directly connects to the given address and returns an invalid pointer if it fails.
      * @brief Connect to a remote destination

src/net/socket_utils.cpp

@@ -11,4 +11,29 @@ namespace rmrf::net {
             throw netio_exception("Failed to set socket mode. fcntl resulted in error:" + std::to_string(errno));
         }
     }
+
+    [[nodiscard]] socketaddr get_own_address_after_connect(const auto_fd& socket) {
+        socketaddr own_address;
+        socklen_t sa_local_len = sizeof(sockaddr_storage);
+
+        if (getsockname(socket.get(), own_address.ptr(), &sa_local_len) == 0) {
+            // Update length field after the internal structure was modified
+            // TODO: Maybe make this an internal method in socketaddr to update the size
+            own_address = own_address.ptr();
+        } else {
+            switch(errno) {
+                case EBADF:
+                case ENOTSOCK:
+                    throw netio_exception("Invalid file descriptor provided to obtain own address. ERRNO: " + std::to_string(errno));
+                case EFAULT:
+                case EINVAL:
+                    throw netio_exception("Invlid data structure for information retrival of own socket address provided. ERRNO: " + std::to_string(errno));
+                case ENOBUFS:
+                    throw netio_exception("Kernel temporarily out of buffer space to store own address informatio.n ERRNO:." + std::to_string(errno));
+                default:
+                    throw netio_exception("Unexpected error while requesting own socket address. ERRNO: " + std::to_string(errno));
+            }
+        }
+        return own_address;
+    }
 }

src/net/socket_utils.hpp

 #pragma once
 
 #include "net/async_fd.hpp"
+#include "net/socketaddress.hpp"
 
 namespace rmrf::net {
     /**
@@ -8,4 +9,13 @@ namespace rmrf::net {
      * @param socket The socket to modify
      */
      void make_socket_nonblocking(auto_fd& socket);
+
+    /**
+     * This method queries the remote address of a connected client. Please note that only TCP sockets are supported
+     * at the moment. This operation will fail if an unsupported socket type is provided.
+     * @brief Get the address of the connected remote client
+     * @param socket The socket representing the client
+     * @return The remote socketaddr pair
+     */
+    [[nodiscard]] socketaddr get_own_address_after_connect(const auto_fd& socket);
 }