source3/wrepld/partners.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    process incoming packets - main loop
   4    Copyright (C) Jean François Micouleau      1998-2002.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22 #include "wins_repl.h"
  23
  24 /* we can exchange info with 64 partners at any given time */
  25 WINS_PARTNER current_partners[64];
  26 int total_current_partners;
  27
  28 /*******************************************************************
  29 verify if we know this partner
  30 ********************************************************************/
  31 BOOL check_partner(int assoc)
  32 {
  33         int i;
  34
  35         DEBUG(5,("check_partner: total_current_partners: %d\n", total_current_partners));
  36
  37         for (i=0; i<total_current_partners; i++)
  38                 if (current_partners[i].client_assoc==assoc)
  39                         return True;
  40
  41         return False;
  42 }
  43
  44 /*******************************************************************
  45 add a new entry to the list
  46 ********************************************************************/
  47 BOOL add_partner(int client_assoc, int server_assoc, BOOL pull, BOOL push)
  48 {
  49         DEBUG(5,("add_partner: total_current_partners: %d\n", total_current_partners));
  50
  51         if (total_current_partners==64)
  52                 return False;
  53
  54         current_partners[total_current_partners].client_assoc=client_assoc;
  55         current_partners[total_current_partners].server_assoc=server_assoc;
  56         current_partners[total_current_partners].pull_partner=pull;
  57         current_partners[total_current_partners].push_partner=push;
  58
  59         total_current_partners++;
  60
  61         return True;
  62 }
  63
  64 /*******************************************************************
  65 remove an entry to the list
  66 ********************************************************************/
  67 BOOL remove_partner(int client_assoc)
  68 {
  69         int i,j;
  70
  71         DEBUG(5,("remove_partner: total_current_partners: %d\n", total_current_partners));
  72
  73         for (i=0; current_partners[i].client_assoc!=client_assoc && i<total_current_partners; i++)
  74                 ;
  75
  76         if (i==total_current_partners)
  77                 return False;
  78
  79         for (j=i+1; j<total_current_partners; j++) {
  80                 current_partners[j-1].client_assoc=current_partners[j].client_assoc;
  81                 current_partners[j-1].server_assoc=current_partners[j].server_assoc;
  82                 current_partners[j-1].pull_partner=current_partners[j].pull_partner;
  83                 current_partners[j-1].push_partner=current_partners[j].push_partner;
  84                 current_partners[j-1].partner_server.s_addr=current_partners[j].partner_server.s_addr;
  85                 current_partners[j-1].other_server.s_addr=current_partners[j].other_server.s_addr;
  86         }
  87
  88         total_current_partners--;
  89
  90         return True;
  91 }
  92
  93 /*******************************************************************
  94 link the client and server context
  95 ********************************************************************/
  96 BOOL update_server_partner(int client_assoc, int server_assoc)
  97 {
  98         int i;
  99
 100         DEBUG(5,("update_server_partner: total_current_partners: %d\n", total_current_partners));
 101
 102         for (i=0; i<total_current_partners; i++)
 103                 if (current_partners[i].client_assoc==client_assoc) {
 104                         current_partners[i].server_assoc=server_assoc;
 105                         return True;
 106                 }
 107
 108         return False;
 109 }
 110
 111 /*******************************************************************
 112 verify if it's a pull partner
 113 ********************************************************************/
 114 BOOL check_pull_partner(int assoc)
 115 {
 116         int i;
 117
 118         DEBUG(5,("check_pull_partner: total_current_partners: %d\n", total_current_partners));
 119
 120         for (i=0; i<total_current_partners; i++)
 121                 if (current_partners[i].client_assoc==assoc &&
 122                     current_partners[i].pull_partner==True)
 123                         return True;
 124
 125         return False;
 126 }
 127
 128 /*******************************************************************
 129 verify if it's a push partner
 130 ********************************************************************/
 131 BOOL check_push_partner(int assoc)
 132 {
 133         int i;
 134
 135         DEBUG(5,("check_push_partner: total_current_partners: %d\n", total_current_partners));
 136
 137         for (i=0; i<total_current_partners; i++)
 138                 if (current_partners[i].client_assoc==assoc &&
 139                     current_partners[i].push_partner==True)
 140                         return True;
 141
 142         return False;
 143 }
 144
 145 /*******************************************************************
 146 return the server ctx linked to the client ctx
 147 ********************************************************************/
 148 int get_server_assoc(int assoc)
 149 {
 150         int i;
 151
 152         DEBUG(5,("get_server_assoc: total_current_partners: %d\n", total_current_partners));
 153
 154         for (i=0; i<total_current_partners; i++)
 155                 if (current_partners[i].client_assoc==assoc)
 156                         return current_partners[i].server_assoc;
 157
 158         return 0;
 159 }
 160
 161
 162 /*******************************************************************
 163 link the client and server context
 164 ********************************************************************/
 165 BOOL write_server_assoc_table(int client_assoc, struct in_addr partner, struct in_addr server)
 166 {
 167         int i;
 168
 169         DEBUG(5,("write_server_assoc_table: total_current_partners: %d\n", total_current_partners));
 170
 171         for (i=0; i<total_current_partners; i++)
 172                 if (current_partners[i].client_assoc==client_assoc) {
 173                         current_partners[i].partner_server=partner;
 174                         current_partners[i].other_server=server;
 175                         return True;
 176                 }
 177
 178         return False;
 179 }
 180
 181 /*******************************************************************
 182 link the client and server context
 183 ********************************************************************/
 184 BOOL get_server_assoc_table(int client_assoc, struct in_addr *partner, struct in_addr *server)
 185 {
 186         int i;
 187
 188         DEBUG(5,("get_server_assoc_table: total_current_partners: %d\n", total_current_partners));
 189
 190         for (i=0; i<total_current_partners; i++)
 191                 if (current_partners[i].client_assoc==client_assoc) {
 192                         partner->s_addr=current_partners[i].partner_server.s_addr;
 193                         server->s_addr=current_partners[i].other_server.s_addr;
 194                         return True;
 195                 }
 196
 197         return False;
 198 }
 199
 200