libosmocore 0.9.6-23.20170220git32ee5af8.fc42
Osmocom core library
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write_queue.h
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1/* Generic write queue implementation */
2/*
3 * (C) 2010 by Holger Hans Peter Freyther
4 * (C) 2010 by On-Waves
5 *
6 * All Rights Reserved
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 */
23#pragma once
24
32#include <osmocom/core/select.h>
33#include <osmocom/core/msgb.h>
34
38 struct osmo_fd bfd;
40 unsigned int max_length;
42 unsigned int current_length;
43
46
48 int (*read_cb)(struct osmo_fd *fd);
50 int (*write_cb)(struct osmo_fd *fd, struct msgb *msg);
52 int (*except_cb)(struct osmo_fd *fd);
53};
54
55void osmo_wqueue_init(struct osmo_wqueue *queue, int max_length);
56void osmo_wqueue_clear(struct osmo_wqueue *queue);
57int osmo_wqueue_enqueue(struct osmo_wqueue *queue, struct msgb *data);
58int osmo_wqueue_bfd_cb(struct osmo_fd *fd, unsigned int what);
59
int osmo_wqueue_bfd_cb(struct osmo_fd *fd, unsigned int what)
Select loop function for write queue handling.
Definition write_queue.c:42
void osmo_wqueue_clear(struct osmo_wqueue *queue)
Clear a osmo_wqueue.
Definition write_queue.c:127
int osmo_wqueue_enqueue(struct osmo_wqueue *queue, struct msgb *data)
Enqueue a new Message buffers into a write queue.
Definition write_queue.c:107
void osmo_wqueue_init(struct osmo_wqueue *queue, int max_length)
Initialize a osmo_wqueue structure.
Definition write_queue.c:91
Osmocom message buffers The Osmocom message buffers are modelled after the 'struct skb' inside the Li...
select loop abstraction
(double) linked list header structure
Definition linuxlist.h:47
Osmocom message buffer.
Definition msgb.h:43
Structure representing a file dsecriptor.
Definition select.h:22
int fd
Definition select.h:26
void * data
Definition select.h:34
Definition write_queue.h:36
struct llist_head msg_queue
actual linked list implementing the queue
Definition write_queue.h:45
unsigned int max_length
maximum length of write queue
Definition write_queue.h:40
struct osmo_fd bfd
osmocom file descriptor
Definition write_queue.h:38
unsigned int current_length
current length of write queue
Definition write_queue.h:42
int(* except_cb)(struct osmo_fd *fd)
call-back in case qeueue has exceptions
Definition write_queue.h:52
int(* write_cb)(struct osmo_fd *fd, struct msgb *msg)
call-back in case qeueue is writable
Definition write_queue.h:50
int(* read_cb)(struct osmo_fd *fd)
call-back in case qeueue is readable
Definition write_queue.h:48