win: change uv_getsockname signature to support udp

src/win/handle.c

@@ -39,6 +39,21 @@ int uv_is_active(uv_handle_t* handle) {
 }
 
 
+int uv_getsockname(uv_handle_t* handle, struct sockaddr* name, int* namelen) {
+  switch (handle->type) {
+    case UV_TCP:
+      return uv_tcp_getsockname((uv_tcp_t*) handle, name, namelen);
+
+    case UV_UDP:
+      return uv_tcp_getsockname((uv_tcp_t*) handle, name, namelen);
+
+    default:
+      uv_set_sys_error(WSAENOTSOCK);
+      return -1;
+  }
+}
+
+
 void uv_close(uv_handle_t* handle, uv_close_cb cb) {
   uv_tcp_t* tcp;
   uv_pipe_t* pipe;

src/win/internal.h

@@ -168,6 +168,7 @@ int uv_tcp_read_start(uv_tcp_t* handle, uv_alloc_cb alloc_cb,
     uv_read_cb read_cb);
 int uv_tcp_write(uv_write_t* req, uv_tcp_t* handle, uv_buf_t bufs[],
     int bufcnt, uv_write_cb cb);
+int uv_tcp_getsockname(uv_tcp_t* handle, struct sockaddr* name, int* namelen);
 
 void uv_process_tcp_read_req(uv_tcp_t* handle, uv_req_t* req);
 void uv_process_tcp_write_req(uv_tcp_t* handle, uv_write_t* req);
@@ -180,11 +181,13 @@ void uv_tcp_endgame(uv_tcp_t* handle);
 /*
  * UDP
  */
-void uv_udp_endgame(uv_udp_t* handle);
+int uv_udp_getsockname(uv_udp_t* handle, struct sockaddr* name, int* namelen);
 
 void uv_process_udp_recv_req(uv_udp_t* handle, uv_req_t* req);
 void uv_process_udp_send_req(uv_udp_t* handle, uv_udp_send_t* req);
 
+void uv_udp_endgame(uv_udp_t* handle);
+
 
 /*
  * Pipes

src/win/tcp.c

@@ -548,7 +548,7 @@ int uv_tcp_connect6(uv_connect_t* req, uv_tcp_t* handle,
 }
 
 
-int uv_getsockname(uv_handle_t* handle, struct sockaddr* name, int* namelen) {
+int uv_tcp_getsockname(uv_tcp_t* handle, struct sockaddr* name, int* namelen) {
   int result;
 
   if (handle->flags & UV_HANDLE_SHUTTING) {

src/win/udp.c

@@ -200,6 +200,24 @@ int uv_udp_bind6(uv_udp_t* handle, struct sockaddr_in6 addr, unsigned int flags)
 }
 
 
+int uv_udp_getsockname(uv_udp_t* handle, struct sockaddr* name, int* namelen) {
+  int result;
+
+  if (handle->flags & UV_HANDLE_SHUTTING) {
+    uv_set_sys_error(WSAESHUTDOWN);
+    return -1;
+  }
+
+  result = getsockname(handle->socket, name, namelen);
+  if (result != 0) {
+    uv_set_sys_error(WSAGetLastError());
+    return -1;
+  }
+
+  return 0;
+}
+
+
 static void uv_udp_queue_recv(uv_udp_t* handle) {
   uv_req_t* req;
   uv_buf_t buf;