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Annotation of fam/fam/Listener.h, Revision 1.1

1.1     ! trev        1: //  Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
        !             2: //
        !             3: //  This program is free software; you can redistribute it and/or modify it
        !             4: //  under the terms of version 2 of the GNU General Public License as
        !             5: //  published by the Free Software Foundation.
        !             6: //
        !             7: //  This program is distributed in the hope that it would be useful, but
        !             8: //  WITHOUT ANY WARRANTY; without even the implied warranty of
        !             9: //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Further, any
        !            10: //  license provided herein, whether implied or otherwise, is limited to
        !            11: //  this program in accordance with the express provisions of the GNU
        !            12: //  General Public License.  Patent licenses, if any, provided herein do not
        !            13: //  apply to combinations of this program with other product or programs, or
        !            14: //  any other product whatsoever.  This program is distributed without any
        !            15: //  warranty that the program is delivered free of the rightful claim of any
        !            16: //  third person by way of infringement or the like.  See the GNU General
        !            17: //  Public License for more details.
        !            18: //
        !            19: //  You should have received a copy of the GNU General Public License along
        !            20: //  with this program; if not, write the Free Software Foundation, Inc., 59
        !            21: //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
        !            22:
        !            23: #ifndef Listener_included
        !            24: #define Listener_included
        !            25:
        !            26: #include <sys/types.h>
        !            27:
        !            28: #include "Boolean.h"
        !            29:
        !            30: //  Listener is an object that listens for connections on a socket.
        !            31: //  It registers itself with portmapper.
        !            32: //
        !            33: //  If a Listener was started_by_inetd, then it listens on the
        !            34: //  already-open file descriptor 0.  Otherwise, it opens a new socket.
        !            35: //
        !            36: //  A Listener creates TCP_Client and RemoteClient objects as
        !            37: //  connections come in.
        !            38: //
        !            39: //  FAMPROG and FAMVERS, the SUN RPC program number and version, are
        !            40: //  defined here, because I didn't think of a better place to define them.
        !            41:
        !            42: class TCP_Client;
        !            43:
        !            44: class Listener {
        !            45:
        !            46: public:
        !            47:
        !            48:     enum { RENDEZVOUS_FD = 0 };		// descriptor 0 opened by inetd
        !            49:     enum { FAMPROG = 391002, FAMVERS = 2 };
        !            50:
        !            51:
        !            52:     Listener(bool started_by_inetd,
        !            53:              bool local_only,
        !            54: 	     unsigned long program = FAMPROG, unsigned long version = FAMVERS);
        !            55:     ~Listener();
        !            56:
        !            57:     static void create_local_client(TCP_Client &inet_client, uid_t uid);
        !            58:
        !            59: private:
        !            60:
        !            61:     //  Instance Variables
        !            62:
        !            63:     unsigned long program;
        !            64:     unsigned long version;
        !            65:     int rendezvous_fd;
        !            66:     bool started_by_inetd;
        !            67:     int _ugly_sock;
        !            68:     bool local_only;
        !            69:
        !            70:     //  Private Instance Methods
        !            71:
        !            72:     void dirty_ugly_hack();
        !            73:     void set_rendezvous_fd(int);
        !            74:
        !            75:     //  Class Methods
        !            76:
        !            77:     static void accept_client(int fd, void *closure);
        !            78:     static void accept_ugly_hack(int fd, void *closure);
        !            79:     static void read_ugly_hack(int fd, void *closure);
        !            80:     static void accept_localclient(int fd, void *closure);
        !            81: };
        !            82:
        !            83: #endif /* !Listener_included */