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Annotation of fam/fam/MxClient.c++, Revision 1.1.1.1

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: #include <stdlib.h>
                     24: #include "MxClient.h"
                     25:
                     26: #include <assert.h>
                     27:
                     28: #include "DirEntry.h"
                     29: #include "Directory.h"
                     30: #include "Event.h"
                     31: #include "File.h"
                     32: #include "Log.h"
                     33:
                     34: MxClient::MxClient(in_addr host)
                     35:     : Client(NULL, host)
                     36: {
                     37: }
                     38:
                     39: MxClient::~MxClient()
                     40: {
                     41:     while (requests.size())
                     42:     {
                     43:         Request r = requests.first();
                     44: 	delete interest(r);	// Destroy all interests.
                     45:         requests.remove(r);
                     46:     }
                     47: }
                     48:
                     49: //  MxClient::interest() maps a request number to a ClientInterest ptr.
                     50:
                     51: ClientInterest *
                     52: MxClient::interest(Request r)
                     53: {
                     54:     ClientInterest *ip = requests.find(r);
                     55:     if (!ip)
                     56: 	Log::error("%s invalid request number %d", name(), r);
                     57:     return ip;
                     58: }
                     59:
                     60: bool
                     61: MxClient::check_new(Request request, const char *path)
                     62: {
                     63:     if (path[0] != '/')
                     64:     {   Log::info("relative path \"%s\" rejected", path);
                     65: 	post_event(Event::Acknowledge, request, path);
                     66: 	return false;
                     67:     }
                     68:
                     69:     if (requests.find(request))
                     70:     {   Log::error("%s nonunique request number %d rejected", name(), request);
                     71: 	return false;
                     72:     }
                     73:
                     74:     return true;
                     75: }
                     76:
                     77: void
                     78: MxClient::monitor_file(Request request, const char *path, const Cred& cred)
                     79: {
                     80:     if (check_new(request, path))
                     81:     {
                     82: 	ClientInterest *ip = new File(path, this, request, cred);
                     83: 	requests.insert(request, ip);
                     84:     }
                     85: }
                     86:
                     87: void
                     88: MxClient::monitor_dir(Request request, const char *path, const Cred& cred)
                     89: {
                     90:     if (check_new(request, path))
                     91:     {
                     92: 	ClientInterest *ip = new Directory(path, this, request, cred);
                     93: 	requests.insert(request, ip);
                     94:     }
                     95: }
                     96:
                     97: void
                     98: MxClient::suspend(Request r)
                     99: {
                    100:     ClientInterest *ip = interest(r);
                    101:     if (ip)
                    102: 	ip->suspend();
                    103: }
                    104:
                    105: void
                    106: MxClient::resume(Request r)
                    107: {
                    108:     ClientInterest *ip = interest(r);
                    109:     if (ip)
                    110: 	ip->resume();
                    111: }
                    112:
                    113: void
                    114: MxClient::cancel(Request r)
                    115: {
                    116:     ClientInterest *ip = interest(r);
                    117:     if (ip) {
                    118:         requests.remove(r);
                    119:         ip->cancel();
                    120:         delete ip;
                    121:     }
                    122: }