| /* $OpenBSD: err.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */ |
| |
| /* |
| * log.c |
| * |
| * Based on err.c, which was adapted from OpenBSD libc *err* *warn* code. |
| * |
| * Copyright (c) 2005 Nick Mathewson <nickm@freehaven.net> |
| * |
| * Copyright (c) 2000 Dug Song <dugsong@monkey.org> |
| * |
| * Copyright (c) 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #ifdef STARBOARD |
| #if defined LIBEVENT_PLATFORM_HEADER |
| #include LIBEVENT_PLATFORM_HEADER |
| #else // defined LIBEVENT_PLATFORM_HEADER |
| #include "libevent-starboard.h" |
| #endif // defined LIBEVENT_PLATFORM_HEADER |
| |
| #include "starboard/common/log.h" |
| #include "starboard/system.h" |
| #include "starboard/types.h" |
| |
| // Include Starboard poems after all system headers. |
| #include "starboard/client_porting/poem/string_poem.h" |
| #else // STARBOARD |
| #ifdef WIN32 |
| #define WIN32_LEAN_AND_MEAN |
| #include <windows.h> |
| #undef WIN32_LEAN_AND_MEAN |
| #endif |
| #include <sys/types.h> |
| #ifdef HAVE_SYS_TIME_H |
| #include <sys/time.h> |
| #else |
| #include <sys/_libevent_time.h> |
| #endif |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <errno.h> |
| #endif // STARBOARD |
| |
| #include "event.h" |
| |
| #include "log.h" |
| #include "evutil.h" |
| |
| static void _warn_helper(int severity, int log_errno, const char *fmt, |
| va_list ap); |
| static void event_log(int severity, const char *msg); |
| |
| void |
| event_err(int eval, const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_ERR, errno, fmt, ap); |
| va_end(ap); |
| #ifdef STARBOARD |
| SbSystemBreakIntoDebugger(); |
| #else |
| exit(eval); |
| #endif |
| } |
| |
| void |
| event_warn(const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_WARN, errno, fmt, ap); |
| va_end(ap); |
| } |
| |
| void |
| event_errx(int eval, const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_ERR, -1, fmt, ap); |
| va_end(ap); |
| #ifdef STARBOARD |
| SbSystemBreakIntoDebugger(); |
| #else |
| exit(eval); |
| #endif |
| } |
| |
| void |
| event_warnx(const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_WARN, -1, fmt, ap); |
| va_end(ap); |
| } |
| |
| void |
| event_msgx(const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_MSG, -1, fmt, ap); |
| va_end(ap); |
| } |
| |
| void |
| _event_debugx(const char *fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| _warn_helper(_EVENT_LOG_DEBUG, -1, fmt, ap); |
| va_end(ap); |
| } |
| |
| static void |
| _warn_helper(int severity, int log_errno, const char *fmt, va_list ap) |
| { |
| char buf[1024]; |
| size_t len; |
| |
| if (fmt != NULL) |
| evutil_vsnprintf(buf, sizeof(buf), fmt, ap); |
| else |
| buf[0] = '\0'; |
| |
| #ifndef STARBOARD |
| if (log_errno >= 0) { |
| len = strlen(buf); |
| if (len < sizeof(buf) - 3) { |
| evutil_snprintf(buf + len, sizeof(buf) - len, ": %s", |
| strerror(log_errno)); |
| } |
| } |
| #endif |
| |
| event_log(severity, buf); |
| } |
| |
| static event_log_cb log_fn = NULL; |
| |
| void |
| event_set_log_callback(event_log_cb cb) |
| { |
| log_fn = cb; |
| } |
| |
| static void |
| event_log(int severity, const char *msg) |
| { |
| #ifdef STARBOARD |
| SbLogPriority log_priority; |
| switch (severity) { |
| case _EVENT_LOG_DEBUG: |
| case _EVENT_LOG_MSG: |
| log_priority = kSbLogPriorityInfo; |
| break; |
| case _EVENT_LOG_WARN: |
| log_priority = kSbLogPriorityWarning; |
| break; |
| case _EVENT_LOG_ERR: |
| log_priority = kSbLogPriorityError; |
| break; |
| default: |
| SB_NOTREACHED(); |
| log_priority = kSbLogPriorityUnknown; |
| break; |
| } |
| SbLog(log_priority, msg); |
| #else // STARBOARD |
| if (log_fn) |
| log_fn(severity, msg); |
| else { |
| const char *severity_str; |
| switch (severity) { |
| case _EVENT_LOG_DEBUG: |
| severity_str = "debug"; |
| break; |
| case _EVENT_LOG_MSG: |
| severity_str = "msg"; |
| break; |
| case _EVENT_LOG_WARN: |
| severity_str = "warn"; |
| break; |
| case _EVENT_LOG_ERR: |
| severity_str = "err"; |
| break; |
| default: |
| severity_str = "???"; |
| break; |
| } |
| (void)fprintf(stderr, "[%s] %s\n", severity_str, msg); |
| } |
| #endif // STARBOARD |
| } |