#ifndef _DNS_H
#define _DNS_H
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
#include <string>
+#include "inspircd_config.h"
+#include "socket.h"
+#include "base.h"
-struct dns_ip4list {
+struct dns_ip4list
+{
in_addr ip;
dns_ip4list *next;
};
/** The DNS class allows fast nonblocking resolution of hostnames
* and ip addresses. It is based heavily upon firedns by Ian Gulliver.
*/
-class DNS
+class DNS : public Extensible
{
private:
in_addr *binip;
/** This constructor accepts a dns server address. The address must be in dotted
* decimal form, e.g. 1.2.3.4.
*/
- DNS(std::string dnsserver);
+ DNS(const std::string &dnsserver);
/** The destructor frees all used structures.
*/
~DNS();
* format, e.g. 1.2.3.4, and returns true if the lookup was successfully
* initiated.
*/
- bool ReverseLookup(std::string ip);
+ bool ReverseLookup(const std::string &ip);
/** This method will start the forward lookup of a hostname, e.g. www.inspircd.org,
* and returns true if the lookup was successfully initiated.
*/
- bool ForwardLookup(std::string host);
+ bool ForwardLookup(const std::string &host);
+ /** Used by modules to perform a dns lookup but have the socket engine poll a module, instead of the dns object directly.
+ */
+ bool ForwardLookupWithFD(const std::string &host, int &fd);
/** This method will return true when the lookup is completed. It uses poll internally
* to determine the status of the socket.
*/
* query is invalid for some reason, e.g. the dns server not responding.
*/
int GetFD();
- void SetNS(std::string dnsserver);
+ void SetNS(const std::string &dnsserver);
};
/** This is the handler function for multi-threaded DNS.