+ /** Match CIDR, including an optional username/nickname part.
+ *
+ * This function will compare a human-readable address (plus
+ * optional username and nickname) against a human-readable
+ * CIDR mask, for example joe!bloggs\@1.2.3.4 against
+ * *!bloggs\@1.2.0.0/16. This method supports both IPV4 and
+ * IPV6 addresses.
+ * @param address The human readable address, e.g. fred\@1.2.3.4
+ * @param cidr_mask The human readable mask, e.g. *\@1.2.0.0/16
+ * @return True if the mask matches the address
+ */
+ bool MatchCIDR(const char* address, const char* cidr_mask, bool match_with_username);
+
+ /** Convert an insp_inaddr into human readable form.
+ *
+ * @param n An insp_inaddr (IP address) structure
+ * @return A human-readable address. IPV6 addresses
+ * will be shortened to remove fields which are 0.
+ */
+ const char* insp_ntoa(insp_inaddr n);
+
+ /** Convert a human-readable address into an insp_inaddr.
+ *
+ * @param a A human-readable address
+ * @param n An insp_inaddr struct which the result
+ * will be copied into on success.
+ * @return This function will return 0 upon success,
+ * or any other number upon failure.
+ */
+ int insp_aton(const char* a, insp_inaddr* n);
+
+ /** Make a socket file descriptor a blocking socket
+ * @param s A valid file descriptor
+ */
+ void Blocking(int s);
+
+ /** Make a socket file descriptor into a nonblocking socket
+ * @param s A valid file descriptor
+ */
+ void NonBlocking(int s);
+
+ /** Create a new valid file descriptor using socket()
+ * @return On return this function will return a value >= 0 for success,
+ * or a negative value upon failure (negative values are invalid file
+ * descriptors)
+ */
+ int OpenTCPSocket();
+ };
+};
+
+/** This class handles incoming connections on client ports.
+ * It will create a new userrec for every valid connection
+ * and assign it a file descriptor.
+ */
+class ListenSocket : public EventHandler
+{
+ protected:
+ /** The creator/owner of this object
+ */
+ InspIRCd* ServerInstance;
+ public:
+ /** Create a new listening socket
+ */
+ ListenSocket(InspIRCd* Instance, int sockfd, irc::sockets::insp_sockaddr client, irc::sockets::insp_sockaddr server, int port, char* addr);
+ /** Handle an I/O event
+ */
+ void HandleEvent(EventType et);
+};