spandsp 3.0.0
socket_dgram_harness.h
1/*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * socket_dgram_harness.h
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2012, 2022 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2, as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#include <sys/socket.h>
27#include <sys/un.h>
28
29typedef int (*termio_update_func_t)(void *user_data, struct termios *termios);
30
31typedef int (*put_msg_free_space_func_t)(void *user_data);
32
33typedef void (*span_timer_handler_t)(void *user_data);
34
36{
37 void *user_data;
38
39 span_put_msg_func_t terminal_callback;
40 termio_update_func_t termios_callback;
41 span_modem_status_func_t hangup_callback;
42 put_msg_free_space_func_t terminal_free_space_callback;
43
44 span_put_msg_func_t rx_callback;
45 span_get_msg_func_t tx_callback;
46 span_timer_handler_t timer_callback;
47
48 int net_fd;
49 int pty_fd;
50 logging_state_t logging;
51 struct termios termios;
52
53 struct sockaddr_un local_addr;
54 socklen_t local_addr_len;
55 struct sockaddr_un far_addr;
56 socklen_t far_addr_len;
57
58 unsigned int delay;
59 unsigned int started;
60 unsigned pty_closed;
61 unsigned close_count;
62
63 pseudo_terminal_state_t pty;
64} socket_dgram_harness_state_t;
65
66extern span_timestamp_t socket_dgram_harness_timer;
67
68span_timestamp_t now_us(void);
69
70int socket_dgram_harness_run(socket_dgram_harness_state_t *s);
71
72int socket_dgram_harness_terminal_write(void *user_data, const uint8_t *buf, size_t len);
73
74int socket_dgram_harness_set_user_data(socket_dgram_harness_state_t *s, void *user_data);
75
76socket_dgram_harness_state_t *socket_dgram_harness_init(socket_dgram_harness_state_t *s,
77 const char *local_socket_name,
78 const char *far_socket_name,
79 const char *tag,
80 int caller,
81 span_put_msg_func_t terminal_callback,
82 termio_update_func_t termios_callback,
83 span_modem_status_func_t hangup_callback,
84 put_msg_free_space_func_t terminal_free_space_callback,
85 span_put_msg_func_t rx_callback,
86 span_get_msg_func_t tx_callback,
87 span_timer_handler_t timer_callback,
88 void *user_data);
89
90int socket_dgram_harness_release(socket_dgram_harness_state_t *s);
91
92int socket_dgram_harness_free(socket_dgram_harness_state_t *s);
int(* span_get_msg_func_t)(void *user_data, uint8_t *msg, int max_len)
Definition async.h:111
void(* span_modem_status_func_t)(void *user_data, int status)
Definition async.h:131
void(* span_put_msg_func_t)(void *user_data, const uint8_t *msg, int len)
Definition async.h:107
struct logging_state_s logging_state_t
Definition logging.h:72
Definition socket_dgram_harness.h:36