/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFDNSQueryFailedException.h"
#import "OFString.h"
OFString *
of_dns_resolver_error_to_string(of_dns_resolver_error_t error)
{
switch (error) {
case OF_DNS_RESOLVER_ERROR_TIMEOUT:
return @"The query timed out.";
case OF_DNS_RESOLVER_ERROR_CANCELED:
return @"The query was canceled.";
case OF_DNS_RESOLVER_ERROR_NO_RESULT:
return @"No result for the specified host with the specified "
@"type and class.";
case OF_DNS_RESOLVER_ERROR_SERVER_INVALID_FORMAT:
return @"The server considered the query to be malformed.";
case OF_DNS_RESOLVER_ERROR_SERVER_FAILURE:
return @"The server was unable to process due to an internal "
@"error.";
case OF_DNS_RESOLVER_ERROR_SERVER_NAME_ERROR:
return @"The server returned an error that the domain does not "
@"exist.";
case OF_DNS_RESOLVER_ERROR_SERVER_NOT_IMPLEMENTED:
return @"The server does not have support for the requested "
@"query.";
case OF_DNS_RESOLVER_ERROR_SERVER_REFUSED:
return @"The server refused the query.";
case OF_DNS_RESOLVER_ERROR_NO_NAME_SERVER:
return @"There was no name server to query.";
default:
return @"Unknown error.";
}
}
@implementation OFDNSQueryFailedException
@synthesize query = _query, error = _error;
+ (instancetype)exceptionWithQuery: (OFDNSQuery *)query
error: (of_dns_resolver_error_t)error
{
return [[[self alloc] initWithQuery: query
error: error] autorelease];
}
- (instancetype)initWithQuery: (OFDNSQuery *)query
error: (of_dns_resolver_error_t)error
{
self = [super init];
@try {
_query = [query copy];
_error = error;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_query release];
[super dealloc];
}
- (OFString *)description
{
return [OFString stringWithFormat:
@"DNS query %@ could not be performed: %@",
_query, of_dns_resolver_error_to_string(_error)];
}
@end