| /** @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 "tscore/ink_platform.h" |
| #include "tscore/ink_error.h" |
| #include "tscore/ink_stack_trace.h" |
| |
| #include <syslog.h> |
| #include <csignal> |
| |
| /** |
| This routine prints/logs an error message given the printf format |
| string in message_format, and the optional arguments. |
| |
| */ |
| static void |
| fatal_va(const char *hdr, const char *fmt, va_list ap) |
| { |
| char msg[1024]; |
| const size_t len = strlen(hdr); |
| |
| strncpy(msg, hdr, 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); |
| } |
| |
| void |
| ink_fatal_va(const char *fmt, va_list ap) |
| { |
| fatal_va("Fatal: ", fmt, ap); |
| _exit(70); // 70 corresponds to EX_SOFTWARE in BSD's sysexits. As good a status as any. |
| } |
| |
| void |
| ink_fatal(const char *message_format, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, message_format); |
| fatal_va("Fatal: ", message_format, ap); |
| va_end(ap); |
| |
| _exit(70); // 70 corresponds to EX_SOFTWARE in BSD's sysexits. As good a status as any. |
| } |
| |
| void |
| ink_emergency_va(const char *fmt, va_list ap) |
| { |
| fatal_va("Emergency: ", fmt, ap); |
| _exit(UNRECOVERABLE_EXIT); |
| } |
| |
| void |
| ink_emergency(const char *message_format, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, message_format); |
| ink_emergency_va(message_format, ap); |
| // Should never reach here since ink_emergency_va calls exit() |
| va_end(ap); |
| |
| _exit(UNRECOVERABLE_EXIT); |
| } |
| |
| void |
| ink_abort(const char *message_format, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, message_format); |
| fatal_va("Fatal: ", message_format, ap); |
| va_end(ap); |
| |
| abort(); |
| } |
| |
| /** |
| 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), "WARNING: %s", message_format); |
| extended_format[sizeof(extended_format) - 1] = 0; |
| vsnprintf(message, sizeof(message), 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), "WARNING: %s <last errno = %d (%s)>", message_format, errno, |
| (errno_string == nullptr ? "unknown" : errno_string)); |
| extended_format[sizeof(extended_format) - 1] = 0; |
| vsnprintf(message, sizeof(message), 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), "NOTE: %s", message_format); |
| extended_format[sizeof(extended_format) - 1] = 0; |
| vsnprintf(message, sizeof(message), 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), 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), "ERROR: %s", message_format); |
| extended_format[sizeof(extended_format) - 1] = 0; |
| vsnprintf(message, sizeof(message), extended_format, ap); |
| message[sizeof(message) - 1] = 0; |
| fprintf(stderr, "%s\n", message); |
| syslog(LOG_ERR, "%s", message); |
| va_end(ap); |
| } |