1 | //vio_ops.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2012 |
---|
5 | * |
---|
6 | * This file is part of libroar a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * libroar is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | * NOTE for everyone want's to change something and send patches: |
---|
25 | * read README and HACKING! There a addition information on |
---|
26 | * the license of this document you need to read before you send |
---|
27 | * any patches. |
---|
28 | * |
---|
29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
30 | * or libpulse*: |
---|
31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
34 | */ |
---|
35 | |
---|
36 | #include "libroar.h" |
---|
37 | |
---|
38 | #define ROAR_VIO_COPY_BUFSIZE 1024 |
---|
39 | |
---|
40 | #define BUFMAX 65536 |
---|
41 | |
---|
42 | #ifdef ROAR_HAVE_IO_POSIX |
---|
43 | #define _CAN_OPERATE |
---|
44 | #endif |
---|
45 | |
---|
46 | #ifdef _CAN_OPERATE |
---|
47 | static inline ssize_t _send_file_raw (int out, int in) { |
---|
48 | ssize_t r = 0; |
---|
49 | #ifdef ROAR_HAVE_LINUX_SENDFILE |
---|
50 | ssize_t ret; |
---|
51 | #endif |
---|
52 | #if defined(__linux__) && defined(ROAR_HAVE_IPV4) |
---|
53 | int cork_new = 1, cork_old; |
---|
54 | socklen_t cork_len = sizeof(int); |
---|
55 | |
---|
56 | if ( getsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_old, &cork_len) == -1 ) { |
---|
57 | cork_old = -1; |
---|
58 | } else { |
---|
59 | setsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_new, sizeof(int)); |
---|
60 | } |
---|
61 | #endif |
---|
62 | |
---|
63 | roar_debug_warn_obsolete("roar_file_send_raw", "roar_vio_copy_data", NULL); |
---|
64 | |
---|
65 | #ifdef ROAR_HAVE_LINUX_SENDFILE |
---|
66 | while ((ret = sendfile(out, in, NULL, BUFMAX)) > 0) |
---|
67 | r += ret; |
---|
68 | #endif |
---|
69 | |
---|
70 | // TODO: try mmap here! |
---|
71 | |
---|
72 | #if defined(__linux__) && defined(ROAR_HAVE_IPV4) |
---|
73 | if ( cork_old != -1 ) |
---|
74 | setsockopt(out, IPPROTO_TCP, TCP_CORK, &cork_old, cork_len); |
---|
75 | #endif |
---|
76 | return r; |
---|
77 | } |
---|
78 | #endif |
---|
79 | |
---|
80 | |
---|
81 | ssize_t roar_vio_copy_data (struct roar_vio_calls * out, struct roar_vio_calls * in) { |
---|
82 | char buf[ROAR_VIO_COPY_BUFSIZE]; |
---|
83 | ssize_t len; |
---|
84 | ssize_t done = 0; |
---|
85 | #ifdef _CAN_OPERATE |
---|
86 | int in_fh, out_fh; |
---|
87 | #endif |
---|
88 | |
---|
89 | ROAR_DBG("roar_vio_copy_data(out=%p, in=%p) = ?", out, in); |
---|
90 | |
---|
91 | if ( out == NULL || in == NULL ) { |
---|
92 | roar_err_set(ROAR_ERROR_FAULT); |
---|
93 | return -1; |
---|
94 | } |
---|
95 | |
---|
96 | #ifdef _CAN_OPERATE |
---|
97 | if ( roar_vio_ctl(in, ROAR_VIO_CTL_GET_READ_FH, &in_fh) == 0 ) |
---|
98 | if ( roar_vio_ctl(out, ROAR_VIO_CTL_GET_WRITE_FH, &out_fh) == 0 ) |
---|
99 | _send_file_raw(out_fh, in_fh); |
---|
100 | #endif |
---|
101 | |
---|
102 | roar_err_clear_all(); |
---|
103 | |
---|
104 | while ((len = roar_vio_read(in, buf, ROAR_VIO_COPY_BUFSIZE)) > 0) { |
---|
105 | if ( roar_vio_write(out, buf, len) != len ) |
---|
106 | return -1; |
---|
107 | |
---|
108 | done += len; |
---|
109 | ROAR_DBG("roar_vio_copy_data(out=%p, in=%p): len=%li, done=%li", out, in, (long int)len, (long int)done); |
---|
110 | } |
---|
111 | |
---|
112 | ROAR_DBG("roar_vio_copy_data(out=%p, in=%p): len=%li, done=%li", out, in, (long int)len, (long int)done); |
---|
113 | |
---|
114 | roar_err_clear_all(); |
---|
115 | |
---|
116 | ROAR_DBG("roar_vio_copy_data(out=%p, in=%p) = %li", out, in, (long int)done); |
---|
117 | return done; |
---|
118 | } |
---|
119 | |
---|
120 | //ll |
---|