| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2018 Intel Corporation. All rights reserved. |
| * |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <unistd.h> |
| #include <errno.h> |
| #include <sys/socket.h> |
| |
| #include <ell/ell.h> |
| |
| #include "src/shared/io.h" |
| |
| struct io { |
| struct l_io *l_io; |
| }; |
| |
| struct io *io_new(int fd) |
| { |
| struct io *io; |
| struct l_io *l_io; |
| |
| if (fd < 0) |
| return NULL; |
| |
| io = l_new(struct io, 1); |
| if (!io) |
| return NULL; |
| |
| l_io = l_io_new(fd); |
| if (!l_io) { |
| l_free(io); |
| return NULL; |
| } |
| |
| io->l_io = l_io; |
| |
| return io; |
| } |
| |
| void io_destroy(struct io *io) |
| { |
| if (!io) |
| return; |
| |
| if (io->l_io) |
| l_io_destroy(io->l_io); |
| |
| l_free(io); |
| } |
| |
| int io_get_fd(struct io *io) |
| { |
| if (!io || !io->l_io) |
| return -ENOTCONN; |
| |
| return l_io_get_fd(io->l_io); |
| } |
| |
| bool io_set_close_on_destroy(struct io *io, bool do_close) |
| { |
| if (!io || !io->l_io) |
| return false; |
| |
| return l_io_set_close_on_destroy(io->l_io, do_close); |
| } |
| |
| bool io_set_read_handler(struct io *io, io_callback_func_t callback, |
| void *user_data, io_destroy_func_t destroy) |
| { |
| if (!io || !io->l_io) |
| return false; |
| |
| return l_io_set_read_handler(io->l_io, (l_io_read_cb_t) callback, |
| user_data, destroy); |
| } |
| |
| bool io_set_write_handler(struct io *io, io_callback_func_t callback, |
| void *user_data, io_destroy_func_t destroy) |
| { |
| if (!io || !io->l_io) |
| return false; |
| |
| return l_io_set_write_handler(io->l_io, (l_io_write_cb_t) callback, |
| user_data, destroy); |
| } |
| |
| bool io_set_disconnect_handler(struct io *io, io_callback_func_t callback, |
| void *user_data, io_destroy_func_t destroy) |
| { |
| if (!io || !io->l_io) |
| return false; |
| |
| return l_io_set_disconnect_handler(io->l_io, (void *) callback, |
| user_data, destroy); |
| } |
| |
| ssize_t io_send(struct io *io, const struct iovec *iov, int iovcnt) |
| { |
| ssize_t ret; |
| int fd; |
| |
| if (!io || !io->l_io) |
| return -ENOTCONN; |
| |
| fd = l_io_get_fd(io->l_io); |
| if (fd < 0) |
| return -ENOTCONN; |
| |
| do { |
| ret = writev(fd, iov, iovcnt); |
| } while (ret < 0 && errno == EINTR); |
| |
| if (ret < 0) |
| return -errno; |
| |
| return ret; |
| } |
| |
| bool io_shutdown(struct io *io) |
| { |
| int fd; |
| |
| if (!io || !io->l_io) |
| return false; |
| |
| fd = l_io_get_fd(io->l_io); |
| if (fd < 0) |
| return false; |
| |
| return shutdown(fd, SHUT_RDWR) == 0; |
| } |