[2650] | 1 | //debug.c: |
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| 2 | |
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| 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2013 |
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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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[5109] | 72 | void roar_debug_bin_obsolete(const char * progname, const char * newprog, const char * info) { |
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| 73 | if ( info == NULL ) |
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| 74 | info = ""; |
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| 75 | |
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| 76 | if ( newprog == NULL ) { |
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| 77 | roar_debug_msg(ROAR_DEBUG_TYPE_ERROR, 0, progname, ROAR_DBG_PREFIX, "This program is obsolete and will be removed soon. %s", info); |
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| 78 | } else { |
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| 79 | roar_debug_msg(ROAR_DEBUG_TYPE_ERROR, 0, progname, ROAR_DBG_PREFIX, "This program is obsolete and will be removed soon. Please use %s. %s", newprog, info); |
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| 80 | } |
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| 81 | } |
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| 82 | |
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[3606] | 83 | void roar_debug_set_stderr_fh(int fh) { |
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| 84 | roar_debug_stderr_fh = fh; |
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| 85 | } |
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| 86 | |
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[3614] | 87 | void roar_debug_set_stderr_vio(struct roar_vio_calls * vio) { |
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| 88 | roar_debug_stderr_vio = vio; |
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| 89 | } |
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| 90 | |
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[3611] | 91 | void roar_debug_set_stderr_mode(int mode) { |
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| 92 | roar_debug_stderr_mode = mode; |
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| 93 | } |
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| 94 | |
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[3606] | 95 | struct roar_vio_calls * roar_debug_get_stderr(void) { |
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| 96 | static struct roar_vio_calls STDERR; |
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| 97 | |
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[3611] | 98 | switch (roar_debug_stderr_mode) { |
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| 99 | case ROAR_DEBUG_MODE_SYSIO: |
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| 100 | if ( roar_debug_stderr_fh == -1 ) |
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| 101 | return NULL; |
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| 102 | |
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| 103 | roar_vio_open_fh(&STDERR, roar_debug_stderr_fh); |
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[3606] | 104 | |
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[3611] | 105 | return &STDERR; |
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| 106 | break; |
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[3614] | 107 | case ROAR_DEBUG_MODE_VIO: |
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| 108 | return roar_debug_stderr_vio; |
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| 109 | break; |
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[3611] | 110 | default: |
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| 111 | return NULL; |
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| 112 | break; |
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| 113 | } |
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[3606] | 114 | } |
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| 115 | |
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[4875] | 116 | // NOTE: This function MUST NOT alter RA's error values nor errno! |
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[3607] | 117 | void roar_debug_msg_simple(const char *format, ...) { |
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| 118 | struct roar_vio_calls * vio; |
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| 119 | va_list ap; |
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| 120 | int ret; |
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| 121 | char buf[8192]; |
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[3904] | 122 | #ifdef ROAR_HAVE_SYSLOG |
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[3611] | 123 | size_t len; |
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[3904] | 124 | #endif |
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[4875] | 125 | int _ra_error = roar_error; |
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| 126 | int _sys_error = errno; |
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[3607] | 127 | |
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[3611] | 128 | vio = roar_debug_get_stderr(); |
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[3607] | 129 | |
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| 130 | va_start(ap, format); |
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[4931] | 131 | ret = vsnprintf(buf, sizeof(buf), format, ap); |
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[3607] | 132 | va_end(ap); |
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| 133 | |
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[4931] | 134 | buf[sizeof(buf)-1] = 0; |
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| 135 | |
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[3611] | 136 | if ( vio != NULL ) { |
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[5111] | 137 | _LIBROAR_IGNORE_RET(roar_vio_write(vio, buf, ret)); |
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[4936] | 138 | roar_vio_sync(vio); |
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[3611] | 139 | } else { |
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| 140 | switch (roar_debug_stderr_mode) { |
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| 141 | #ifdef ROAR_HAVE_SYSLOG |
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| 142 | case ROAR_DEBUG_MODE_SYSLOG: |
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| 143 | // strip \n if needed for syslog: |
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| 144 | len = strlen(buf); |
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| 145 | if ( buf[len-1] == '\n' ) |
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| 146 | buf[len-1] = 0; |
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| 147 | |
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| 148 | syslog(LOG_ERR, "%s", buf); // bad to use some defaults |
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| 149 | break; |
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| 150 | #endif |
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| 151 | default: |
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[4875] | 152 | // do nothing. |
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[3611] | 153 | break; |
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| 154 | } |
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| 155 | } |
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[4875] | 156 | |
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| 157 | roar_error = _ra_error; |
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| 158 | errno = _sys_error; |
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[3607] | 159 | } |
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| 160 | |
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[4784] | 161 | void roar_debug_msg(int type, unsigned long int line, const char * file, const char * prefix, const char * format, ...) { |
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[3611] | 162 | struct roar_vio_calls * vio; |
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| 163 | va_list ap; |
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| 164 | char buf[8192]; |
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| 165 | char * bufp = buf; |
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| 166 | char * typename; |
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| 167 | int ret; |
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[3904] | 168 | #ifdef ROAR_HAVE_SYSLOG |
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[3611] | 169 | int priority; |
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[3904] | 170 | #endif |
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[3611] | 171 | size_t len; |
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[5201] | 172 | struct roar_error_state error_state; |
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| 173 | |
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| 174 | roar_err_store(&error_state); |
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[3611] | 175 | |
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| 176 | switch (type) { |
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| 177 | case ROAR_DEBUG_TYPE_ERROR: typename = "Error"; break; |
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| 178 | case ROAR_DEBUG_TYPE_WARNING: typename = "Warning"; break; |
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| 179 | case ROAR_DEBUG_TYPE_INFO: typename = "Info"; break; |
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| 180 | case ROAR_DEBUG_TYPE_DEBUG: typename = "Debug"; break; |
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| 181 | default: typename = "Unknown Type"; break; |
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| 182 | } |
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| 183 | |
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| 184 | ret = snprintf(buf, sizeof(buf), "(%s: %s:%lu): %s: ", prefix, file, line, typename); |
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| 185 | |
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[5270] | 186 | if ( ret > 0 && ret < (int)sizeof(buf) ) { |
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[3611] | 187 | bufp += ret; |
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| 188 | } else { |
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| 189 | ret = 0; |
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| 190 | } |
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| 191 | |
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| 192 | len = ret; |
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| 193 | |
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| 194 | va_start(ap, format); |
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| 195 | ret = vsnprintf(bufp, sizeof(buf)-ret, format, ap); |
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| 196 | va_end(ap); |
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| 197 | |
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[4931] | 198 | buf[sizeof(buf)-1] = 0; |
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| 199 | |
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[3611] | 200 | len += ret; |
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| 201 | |
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| 202 | switch (roar_debug_stderr_mode) { |
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| 203 | case ROAR_DEBUG_MODE_SYSIO: |
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| 204 | case ROAR_DEBUG_MODE_VIO: |
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[4875] | 205 | if ( (vio = roar_debug_get_stderr()) == NULL ) { |
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[5201] | 206 | roar_err_restore(&error_state); |
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[3611] | 207 | return; |
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[4875] | 208 | } |
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[5111] | 209 | _LIBROAR_IGNORE_RET(roar_vio_write(vio, buf, len)); |
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| 210 | _LIBROAR_IGNORE_RET(roar_vio_write(vio, "\n", 1)); |
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[4936] | 211 | roar_vio_sync(vio); |
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[3611] | 212 | break; |
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| 213 | #ifdef ROAR_HAVE_SYSLOG |
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| 214 | case ROAR_DEBUG_MODE_SYSLOG: |
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| 215 | switch (type) { |
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| 216 | case ROAR_DEBUG_TYPE_ERROR: priority = LOG_ERR; break; |
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| 217 | case ROAR_DEBUG_TYPE_WARNING: priority = LOG_WARNING; break; |
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| 218 | case ROAR_DEBUG_TYPE_INFO: priority = LOG_INFO; break; |
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| 219 | case ROAR_DEBUG_TYPE_DEBUG: priority = LOG_DEBUG; break; |
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| 220 | default: priority = LOG_ERR; break; |
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| 221 | } |
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| 222 | syslog(priority, "%s", buf); |
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| 223 | break; |
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| 224 | #endif |
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| 225 | } |
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[5201] | 226 | roar_err_restore(&error_state); |
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[3611] | 227 | } |
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[2650] | 228 | //ll |
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