| 1 | /*
|
|---|
| 2 | * Copyright (c) 2015 Jiri Svoboda
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup libc
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #ifndef LIBC_INET_TCP_H_
|
|---|
| 36 | #define LIBC_INET_TCP_H_
|
|---|
| 37 |
|
|---|
| 38 | #include <fibril_synch.h>
|
|---|
| 39 | #include <inet/addr.h>
|
|---|
| 40 | #include <inet/endpoint.h>
|
|---|
| 41 | #include <inet/inet.h>
|
|---|
| 42 |
|
|---|
| 43 | /** TCP connection */
|
|---|
| 44 | typedef struct {
|
|---|
| 45 | fibril_mutex_t lock;
|
|---|
| 46 | fibril_condvar_t cv;
|
|---|
| 47 | struct tcp *tcp;
|
|---|
| 48 | link_t ltcp;
|
|---|
| 49 | sysarg_t id;
|
|---|
| 50 | struct tcp_cb *cb;
|
|---|
| 51 | void *cb_arg;
|
|---|
| 52 | /** Some received data available in TCP server */
|
|---|
| 53 | bool data_avail;
|
|---|
| 54 | } tcp_conn_t;
|
|---|
| 55 |
|
|---|
| 56 | /** TCP connection listener */
|
|---|
| 57 | typedef struct {
|
|---|
| 58 | struct tcp *tcp;
|
|---|
| 59 | link_t ltcp;
|
|---|
| 60 | sysarg_t id;
|
|---|
| 61 | struct tcp_listen_cb *lcb;
|
|---|
| 62 | void *lcb_arg;
|
|---|
| 63 | struct tcp_cb *cb;
|
|---|
| 64 | void *cb_arg;
|
|---|
| 65 | } tcp_listener_t;
|
|---|
| 66 |
|
|---|
| 67 | /** TCP connection callbacks */
|
|---|
| 68 | typedef struct tcp_cb {
|
|---|
| 69 | void (*connected)(tcp_conn_t *);
|
|---|
| 70 | void (*conn_failed)(tcp_conn_t *);
|
|---|
| 71 | void (*conn_reset)(tcp_conn_t *);
|
|---|
| 72 | void (*data_avail)(tcp_conn_t *);
|
|---|
| 73 | void (*urg_data)(tcp_conn_t *);
|
|---|
| 74 | } tcp_cb_t;
|
|---|
| 75 |
|
|---|
| 76 | /** TCP listener callbacks */
|
|---|
| 77 | typedef struct tcp_listen_cb {
|
|---|
| 78 | void (*new_conn)(tcp_listener_t *, tcp_conn_t *);
|
|---|
| 79 | } tcp_listen_cb_t;
|
|---|
| 80 |
|
|---|
| 81 | /** TCP service */
|
|---|
| 82 | typedef struct tcp {
|
|---|
| 83 | /** TCP session */
|
|---|
| 84 | async_sess_t *sess;
|
|---|
| 85 | /** List of connections */
|
|---|
| 86 | list_t conn; /* of tcp_conn_t */
|
|---|
| 87 | /** List of listeners */
|
|---|
| 88 | list_t listener; /* of tcp_listener_t */
|
|---|
| 89 | } tcp_t;
|
|---|
| 90 |
|
|---|
| 91 | extern int tcp_create(tcp_t **);
|
|---|
| 92 | extern void tcp_destroy(tcp_t *);
|
|---|
| 93 | extern int tcp_conn_create(tcp_t *, inet_ep2_t *, tcp_cb_t *, void *,
|
|---|
| 94 | tcp_conn_t **);
|
|---|
| 95 | extern void tcp_conn_destroy(tcp_conn_t *);
|
|---|
| 96 | extern void *tcp_conn_userptr(tcp_conn_t *);
|
|---|
| 97 | extern int tcp_listener_create(tcp_t *, inet_ep_t *, tcp_listen_cb_t *, void *,
|
|---|
| 98 | tcp_cb_t *, void *, tcp_listener_t **);
|
|---|
| 99 | extern void tcp_listener_destroy(tcp_listener_t *);
|
|---|
| 100 | extern void *tcp_listener_userptr(tcp_listener_t *);
|
|---|
| 101 |
|
|---|
| 102 | extern int tcp_conn_wait_connected(tcp_conn_t *);
|
|---|
| 103 | extern int tcp_conn_send(tcp_conn_t *, const void *, size_t);
|
|---|
| 104 | extern int tcp_conn_send_fin(tcp_conn_t *);
|
|---|
| 105 | extern int tcp_conn_push(tcp_conn_t *);
|
|---|
| 106 | extern int tcp_conn_reset(tcp_conn_t *);
|
|---|
| 107 |
|
|---|
| 108 | extern int tcp_conn_recv(tcp_conn_t *, void *, size_t, size_t *);
|
|---|
| 109 | extern int tcp_conn_recv_wait(tcp_conn_t *, void *, size_t, size_t *);
|
|---|
| 110 |
|
|---|
| 111 |
|
|---|
| 112 | #endif
|
|---|
| 113 |
|
|---|
| 114 | /** @}
|
|---|
| 115 | */
|
|---|
