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/** @file
Error reporting routines
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "ts/ink_platform.h"
#include "ts/ink_error.h"
#include "ts/ink_stack_trace.h"
#include <syslog.h>
#include <signal.h> /* MAGIC_EDITING_TAG */
static void ink_die_die_die() TS_NORETURN;
/**
This routine causes process death. Some signal handler problems got
in the way of abort before, so this is an overzealous and somewhat
amusing implementation.
*/
static void
ink_die_die_die()
{
abort();
_exit(70); // 70 corresponds to EX_SOFTWARE in BSD's sysexits. As good a status as any.
exit(70);
}
/**
This routine prints/logs an error message given the printf format
string in message_format, and the optional arguments.
*/
void
ink_fatal_va(const char *fmt, va_list ap)
{
char msg[1024];
const size_t len = sizeof("FATAL: ") - 1;
strncpy(msg, "FATAL: ", sizeof(msg));
vsnprintf(msg + len, sizeof(msg) - len, fmt, ap);
msg[sizeof(msg) - 1] = 0;
fprintf(stderr, "%s\n", msg);
syslog(LOG_CRIT, "%s", msg);
ink_die_die_die();
}
void
ink_fatal(const char *message_format, ...)
{
va_list ap;
va_start(ap, message_format);
ink_fatal_va(message_format, ap);
va_end(ap);
}
/**
This routine prints/logs an error message given the printf format
string in message_format, and the optional arguments. The current
errno is also printed.
*/
void
ink_pfatal(const char *message_format, ...)
{
va_list ap;
char extended_format[4096], message[4096];
int errsav = errno;
const char *errno_string = strerror(errsav);
va_start(ap, message_format);
snprintf(extended_format, sizeof(extended_format) - 1, "FATAL: %s <last errno = %d (%s)>", message_format, errsav,
(errno_string == NULL ? "unknown" : errno_string));
extended_format[sizeof(extended_format) - 1] = 0;
vsnprintf(message, sizeof(message) - 1, extended_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "%s\n", message);
syslog(LOG_CRIT, "%s", message);
va_end(ap);
ink_die_die_die();
}
/**
This routine prints/logs a warning message given the printf format
string in message_format, and the optional arguments.
*/
void
ink_warning(const char *message_format, ...)
{
va_list ap;
char extended_format[4096], message[4096];
va_start(ap, message_format);
snprintf(extended_format, sizeof(extended_format) - 1, "WARNING: %s", message_format);
extended_format[sizeof(extended_format) - 1] = 0;
vsnprintf(message, sizeof(message) - 1, extended_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "%s\n", message);
syslog(LOG_WARNING, "%s", message);
va_end(ap);
}
/**
This routine prints/logs a warning message given the printf format
string in message_format, and the optional arguments. The current
errno is also printed.
*/
void
ink_pwarning(const char *message_format, ...)
{
va_list ap;
char extended_format[4096], message[4096];
char *errno_string;
va_start(ap, message_format);
errno_string = strerror(errno);
snprintf(extended_format, sizeof(extended_format) - 1, "WARNING: %s <last errno = %d (%s)>", message_format, errno,
(errno_string == NULL ? "unknown" : errno_string));
extended_format[sizeof(extended_format) - 1] = 0;
vsnprintf(message, sizeof(message) - 1, extended_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "%s\n", message);
syslog(LOG_WARNING, "%s", message);
va_end(ap);
}
/**
This routine prints/logs a notice message given the printf format
string in message_format, and the optional arguments.
*/
void
ink_notice(const char *message_format, ...)
{
va_list ap;
char extended_format[4096], message[4096];
va_start(ap, message_format);
snprintf(extended_format, sizeof(extended_format) - 1, "NOTE: %s", message_format);
extended_format[sizeof(extended_format) - 1] = 0;
vsnprintf(message, sizeof(message) - 1, extended_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "%s\n", message);
syslog(LOG_NOTICE, "%s", message);
va_end(ap);
}
/**
This routine prints/logs a message given the printf format string in
message_format, and the optional arguments.
*/
void
ink_eprintf(const char *message_format, ...)
{
va_list ap;
char message[4096];
va_start(ap, message_format);
vsnprintf(message, sizeof(message) - 1, message_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "ERROR: %s\n", message);
va_end(ap);
}
/**
This routine prints/logs a warning message given the printf format
string in message_format, and the optional arguments.
*/
void
ink_error(const char *message_format, ...)
{
va_list ap;
char extended_format[2048], message[4096];
va_start(ap, message_format);
snprintf(extended_format, sizeof(extended_format) - 1, "ERROR: %s", message_format);
extended_format[sizeof(extended_format) - 1] = 0;
vsnprintf(message, sizeof(message) - 1, extended_format, ap);
message[sizeof(message) - 1] = 0;
fprintf(stderr, "%s\n", message);
syslog(LOG_ERR, "%s", message);
va_end(ap);
}
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