+ * or any other number upon failure.
+ */
+ CoreExport int insp_aton(const char* a, insp_inaddr* n);
+
+ /** 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)
+ */
+ CoreExport int OpenTCPSocket(const char* addr, int socktype = SOCK_STREAM);
+
+ /** Return the size of the structure for syscall passing */
+ CoreExport int sa_size(irc::sockets::sockaddrs& sa);
+
+ /** Convert an address-port pair into a binary sockaddr
+ * @param addr The IP address, IPv4 or IPv6
+ * @param port The port, 0 for unspecified
+ * @param sa The structure to place the result in. Will be zeroed prior to conversion
+ * @return true if the conversion was successful, false if not.
+ */
+ CoreExport int aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa);
+ /** Convert a binary sockaddr to an address-port pair
+ * @param sa The structure to convert
+ * @param addr the IP address
+ * @param port the port
+ * @return true if the conversion was successful, false if unknown address family
+ */
+ CoreExport int satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port);
+ }
+}
+
+
+
+/** This class handles incoming connections on client ports.
+ * It will create a new User for every valid connection
+ * and assign it a file descriptor.
+ */
+class CoreExport ListenSocketBase : public EventHandler
+{
+ protected:
+ /** The creator/owner of this object
+ */
+ InspIRCd* ServerInstance;
+ /** Socket description (shown in stats p) */
+ std::string desc;
+
+ /** Address socket is bound to */
+ std::string bind_addr;
+ /** Port socket is bound to */
+ int bind_port;
+
+ /** The client address if the most recently connected client.
+ * Should only be used when accepting a new client.
+ */
+ static irc::sockets::sockaddrs client;
+ /** The server address used by the most recently connected client.
+ * This may differ from the bind address by having a nonzero address,
+ * if the port is wildcard bound, or being IPv4 on a 6to4 IPv6 port.
+ * The address family will always match that of "client"
+ */
+ static irc::sockets::sockaddrs server;
+ public:
+ /** Create a new listening socket
+ */
+ ListenSocketBase(InspIRCd* Instance, int port, const std::string &addr);
+ /** Handle an I/O event
+ */
+ void HandleEvent(EventType et, int errornum = 0);
+ /** Close the socket
+ */
+ ~ListenSocketBase();
+ /** Set descriptive text
+ */
+ void SetDescription(const std::string &description)
+ {
+ desc = description;
+ }
+ /** Get description for socket
+ */
+ const std::string& GetDescription()
+ {
+ return desc;
+ }
+ /** Get port number for socket
+ */
+ int GetPort() { return bind_port; }
+
+ /** Get IP address socket is bound to
+ */
+ const std::string &GetIP() { return bind_addr; }
+
+ /** Handles sockets internals crap of a connection, convenience wrapper really
+ */
+ void AcceptInternal();
+
+ /** Called when a new connection has successfully been accepted on this listener.
+ * @param ipconnectedto The IP address the connection arrived on
+ * @param fd The file descriptor of the new connection
+ * @param incomingip The IP from which the connection was made
+ */
+ virtual void OnAcceptReady(const std::string &ipconnectedto, int fd, const std::string &incomingip) = 0;
+};
+
+class CoreExport ClientListenSocket : public ListenSocketBase
+{
+ virtual void OnAcceptReady(const std::string &ipconnectedto, int fd, const std::string &incomingip);
+ public:
+ ClientListenSocket(InspIRCd* Instance, int port, const std::string &addr) : ListenSocketBase(Instance, port, addr) { }
+};