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@class OFMutableDictionary OF_GENERIC(KeyType, ObjectType);
@class OFNumber;
@class OFPair OF_GENERIC(FirstType, SecondType);
@class OFTCPSocket;
@class OFUDPSocket;
/**
* @enum OFDNSResolverErrorCode OFDNSResolver.h ObjFW/OFDNSResolver.h
* @enum OFDNSResolverErrorCode OFDNSResolver.h ObjFW/ObjFW.h
*
* @brief An enum describing why resolving a host failed.
*/
typedef enum {
/** An unknown error */
OFDNSResolverErrorCodeUnknown,
/** The query timed out */
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/** The server refused the query */
OFDNSResolverErrorCodeServerRefused,
/** There was no name server to query */
OFDNSResolverErrorCodeNoNameServer
} OFDNSResolverErrorCode;
/**
* @protocol OFDNSResolverQueryDelegate OFDNSResolver.h ObjFW/OFDNSResolver.h
* @protocol OFDNSResolverQueryDelegate OFDNSResolver.h ObjFW/ObjFW.h
*
* @brief A delegate for performed DNS queries.
*/
@protocol OFDNSResolverQueryDelegate <OFObject>
/**
* @brief This method is called when a DNS resolver performed a query.
*
* @param resolver The acting resolver
* @param query The query performed by the resolver
* @param response The response from the DNS server, or nil on error
* @param exception An exception that happened during resolving, or nil on
* success
*/
- (void)resolver: (OFDNSResolver *)resolver
didPerformQuery: (OFDNSQuery *)query
response: (nullable OFDNSResponse *)response
exception: (nullable id)exception;
@end
/**
* @protocol OFDNSResolverQueryDelegate OFDNSResolver.h ObjFW/OFDNSResolver.h
* @protocol OFDNSResolverQueryDelegate OFDNSResolver.h ObjFW/ObjFW.h
*
* @brief A delegate for resolved hosts.
*/
@protocol OFDNSResolverHostDelegate <OFObject>
/**
* @brief This method is called when a DNS resolver resolved a host to
* addresses.
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- (void)resolver: (OFDNSResolver *)resolver
didResolveHost: (OFString *)host
addresses: (nullable OFData *)addresses
exception: (nullable id)exception;
@end
/**
* @class OFDNSResolver OFDNSResolver.h ObjFW/OFDNSResolver.h
* @class OFDNSResolver OFDNSResolver.h ObjFW/ObjFW.h
*
* @brief A class for resolving DNS names.
*
* @note If you change any of the properties, make sure to set
* @ref configReloadInterval to 0, as otherwise your changes will be
* reverted back to the system configuration on the next periodic config
* reload.
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