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