[2650] | 1 | //debug.c: |
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| 2 | |
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| 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011 |
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[2650] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[2650] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #include "libroar.h" |
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| 37 | |
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[3614] | 38 | static int roar_debug_stderr_mode = ROAR_DEBUG_MODE_SYSIO; |
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| 39 | static int roar_debug_stderr_fh = ROAR_STDERR; |
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| 40 | static struct roar_vio_calls * roar_debug_stderr_vio = NULL; |
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[3606] | 41 | |
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[2650] | 42 | void roar_debug_warn_sysio_real(char * func, char * newfunc, char * info) { |
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[2654] | 43 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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| 44 | |
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[3856] | 45 | if ( !roar_libroar_iswarn(config) ) |
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| 46 | return; |
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| 47 | |
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[2654] | 48 | if ( config->warnings.sysio == ROAR_WARNING_ALWAYS ) { |
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| 49 | if ( newfunc == NULL ) { |
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| 50 | ROAR_WARN("%s(*): This function is obsolete. %s", func, info == NULL ? "" : info); |
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| 51 | } else { |
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| 52 | ROAR_WARN("%s(*): This function is obsolete. Please use %s(...). %s", func, newfunc, info == NULL ? "" : info); |
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| 53 | } |
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| 54 | } |
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[2650] | 55 | } |
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| 56 | |
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[3856] | 57 | void roar_debug_warn_obsolete_real(char * func, char * newfunc, char * info) { |
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| 58 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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| 59 | |
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| 60 | if ( !roar_libroar_iswarn(config) ) |
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| 61 | return; |
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| 62 | |
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| 63 | if ( config->warnings.obsolete == ROAR_WARNING_ALWAYS ) { |
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| 64 | if ( newfunc == NULL ) { |
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| 65 | ROAR_WARN("%s(*): This function is obsolete. %s", func, info == NULL ? "" : info); |
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| 66 | } else { |
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| 67 | ROAR_WARN("%s(*): This function is obsolete. Please use %s(...). %s", func, newfunc, info == NULL ? "" : info); |
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| 68 | } |
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| 69 | } |
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| 70 | } |
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| 71 | |
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[3606] | 72 | void roar_debug_set_stderr_fh(int fh) { |
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| 73 | roar_debug_stderr_fh = fh; |
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| 74 | } |
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| 75 | |
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[3614] | 76 | void roar_debug_set_stderr_vio(struct roar_vio_calls * vio) { |
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| 77 | roar_debug_stderr_vio = vio; |
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| 78 | } |
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| 79 | |
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[3611] | 80 | void roar_debug_set_stderr_mode(int mode) { |
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| 81 | roar_debug_stderr_mode = mode; |
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| 82 | } |
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| 83 | |
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[3606] | 84 | struct roar_vio_calls * roar_debug_get_stderr(void) { |
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| 85 | static struct roar_vio_calls STDERR; |
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| 86 | |
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[3611] | 87 | switch (roar_debug_stderr_mode) { |
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| 88 | case ROAR_DEBUG_MODE_SYSIO: |
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| 89 | if ( roar_debug_stderr_fh == -1 ) |
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| 90 | return NULL; |
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| 91 | |
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| 92 | roar_vio_open_fh(&STDERR, roar_debug_stderr_fh); |
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[3606] | 93 | |
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[3611] | 94 | return &STDERR; |
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| 95 | break; |
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[3614] | 96 | case ROAR_DEBUG_MODE_VIO: |
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| 97 | return roar_debug_stderr_vio; |
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| 98 | break; |
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[3611] | 99 | default: |
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| 100 | return NULL; |
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| 101 | break; |
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| 102 | } |
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[3606] | 103 | } |
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| 104 | |
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[4875] | 105 | // NOTE: This function MUST NOT alter RA's error values nor errno! |
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[3607] | 106 | void roar_debug_msg_simple(const char *format, ...) { |
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| 107 | struct roar_vio_calls * vio; |
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| 108 | va_list ap; |
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| 109 | int ret; |
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| 110 | char buf[8192]; |
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[3904] | 111 | #ifdef ROAR_HAVE_SYSLOG |
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[3611] | 112 | size_t len; |
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[3904] | 113 | #endif |
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[4875] | 114 | int _ra_error = roar_error; |
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| 115 | int _sys_error = errno; |
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[3607] | 116 | |
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[3611] | 117 | vio = roar_debug_get_stderr(); |
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[3607] | 118 | |
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| 119 | va_start(ap, format); |
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[4931] | 120 | ret = vsnprintf(buf, sizeof(buf), format, ap); |
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[3607] | 121 | va_end(ap); |
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| 122 | |
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[4931] | 123 | buf[sizeof(buf)-1] = 0; |
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| 124 | |
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[3611] | 125 | if ( vio != NULL ) { |
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| 126 | roar_vio_write(vio, buf, ret); |
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[4936] | 127 | roar_vio_sync(vio); |
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[3611] | 128 | } else { |
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| 129 | switch (roar_debug_stderr_mode) { |
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| 130 | #ifdef ROAR_HAVE_SYSLOG |
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| 131 | case ROAR_DEBUG_MODE_SYSLOG: |
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| 132 | // strip \n if needed for syslog: |
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| 133 | len = strlen(buf); |
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| 134 | if ( buf[len-1] == '\n' ) |
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| 135 | buf[len-1] = 0; |
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| 136 | |
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| 137 | syslog(LOG_ERR, "%s", buf); // bad to use some defaults |
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| 138 | break; |
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| 139 | #endif |
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| 140 | default: |
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[4875] | 141 | // do nothing. |
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[3611] | 142 | break; |
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| 143 | } |
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| 144 | } |
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[4875] | 145 | |
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| 146 | roar_error = _ra_error; |
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| 147 | errno = _sys_error; |
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[3607] | 148 | } |
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| 149 | |
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[4784] | 150 | void roar_debug_msg(int type, unsigned long int line, const char * file, const char * prefix, const char * format, ...) { |
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[3611] | 151 | struct roar_vio_calls * vio; |
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| 152 | va_list ap; |
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| 153 | char buf[8192]; |
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| 154 | char * bufp = buf; |
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| 155 | char * typename; |
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| 156 | int ret; |
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[3904] | 157 | #ifdef ROAR_HAVE_SYSLOG |
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[3611] | 158 | int priority; |
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[3904] | 159 | #endif |
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[3611] | 160 | size_t len; |
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[4875] | 161 | int _ra_error = roar_error; |
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| 162 | int _sys_error = errno; |
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[3611] | 163 | |
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| 164 | switch (type) { |
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| 165 | case ROAR_DEBUG_TYPE_ERROR: typename = "Error"; break; |
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| 166 | case ROAR_DEBUG_TYPE_WARNING: typename = "Warning"; break; |
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| 167 | case ROAR_DEBUG_TYPE_INFO: typename = "Info"; break; |
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| 168 | case ROAR_DEBUG_TYPE_DEBUG: typename = "Debug"; break; |
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| 169 | default: typename = "Unknown Type"; break; |
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| 170 | } |
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| 171 | |
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| 172 | ret = snprintf(buf, sizeof(buf), "(%s: %s:%lu): %s: ", prefix, file, line, typename); |
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| 173 | |
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| 174 | if ( ret > 0 && ret < sizeof(buf) ) { |
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| 175 | bufp += ret; |
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| 176 | } else { |
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| 177 | ret = 0; |
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| 178 | } |
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| 179 | |
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| 180 | len = ret; |
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| 181 | |
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| 182 | va_start(ap, format); |
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| 183 | ret = vsnprintf(bufp, sizeof(buf)-ret, format, ap); |
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| 184 | va_end(ap); |
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| 185 | |
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[4931] | 186 | buf[sizeof(buf)-1] = 0; |
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| 187 | |
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[3611] | 188 | len += ret; |
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| 189 | |
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| 190 | switch (roar_debug_stderr_mode) { |
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| 191 | case ROAR_DEBUG_MODE_SYSIO: |
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| 192 | case ROAR_DEBUG_MODE_VIO: |
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[4875] | 193 | if ( (vio = roar_debug_get_stderr()) == NULL ) { |
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| 194 | roar_error = _ra_error; |
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| 195 | errno = _sys_error; |
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[3611] | 196 | return; |
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[4875] | 197 | } |
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[3611] | 198 | roar_vio_write(vio, buf, len); |
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| 199 | roar_vio_write(vio, "\n", 1); |
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[4936] | 200 | roar_vio_sync(vio); |
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[3611] | 201 | break; |
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| 202 | #ifdef ROAR_HAVE_SYSLOG |
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| 203 | case ROAR_DEBUG_MODE_SYSLOG: |
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| 204 | switch (type) { |
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| 205 | case ROAR_DEBUG_TYPE_ERROR: priority = LOG_ERR; break; |
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| 206 | case ROAR_DEBUG_TYPE_WARNING: priority = LOG_WARNING; break; |
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| 207 | case ROAR_DEBUG_TYPE_INFO: priority = LOG_INFO; break; |
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| 208 | case ROAR_DEBUG_TYPE_DEBUG: priority = LOG_DEBUG; break; |
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| 209 | default: priority = LOG_ERR; break; |
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| 210 | } |
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| 211 | syslog(priority, "%s", buf); |
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| 212 | break; |
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| 213 | #endif |
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| 214 | } |
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[4875] | 215 | roar_error = _ra_error; |
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| 216 | errno = _sys_error; |
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[3611] | 217 | } |
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[2650] | 218 | //ll |
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