apps/openchess/src/client.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include "client.h"
  25 #include "net.h"
  26
  27 client_t client_list;
  28
  29 int client_pmmsg (client_t *client, char *buf, unsigned len)
  30 {
  31         return net_send (client->sock, buf, len);
  32 }
  33
  34 int client_msgtoall (char *buf, unsigned len)
  35 {
  36         client_t *c;
  37         for (c = client_list.next; c != &client_list; c = c->next)
  38                 net_send (c->sock, buf, len);
  39
  40         return 1;
  41 }
  42
  43 int client_msgtoall2 (client_t *client, char *buf, unsigned len)
  44 {
  45         client_t *c;
  46         for (c = client_list.next; c != &client_list; c = c->next)
  47                 if (c != client)
  48                         net_send (c->sock, buf, len);
  49
  50         return 1;
  51 }
  52
  53 /** Create new client's structure */
  54 client_t *client_new (int sock)
  55 {
  56         /* alloc and init context */
  57         client_t *client = (client_t *) malloc (sizeof (client_t));
  58
  59         if (!client)
  60                 return 0;
  61
  62         client->sock = sock;
  63         client->nick = 0;
  64
  65         /* add into list */
  66         client->next = &client_list;
  67         client->prev = client_list.prev;
  68         client->prev->next = client;
  69         client->next->prev = client;
  70
  71         return client;
  72 }
  73
  74 /** Delete client's structure */
  75 int client_quit (client_t *client)
  76 {
  77         client->next->prev = client->prev;
  78         client->prev->next = client->next;
  79
  80         if (client->nick)
  81                 free (client->nick);
  82
  83         free (client);
  84
  85         return 1;
  86 }
  87
  88 /** Client Init function */
  89 int init_client ()
  90 {
  91         client_list.next = &client_list;
  92         client_list.prev = &client_list;
  93
  94         return 1;
  95 }
  96