client/ggzclient.c

   1 /**********************************************************************
   2  Freeciv - Copyright (C) 2005 - Freeciv Development Team
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13
  14 #ifdef HAVE_CONFIG_H
  15 #include <fc_config.h>
  16 #endif
  17
  18 /* utility */
  19 #include "fciconv.h"
  20 #include "fcintl.h"
  21 #include "rand.h"
  22
  23 /* client/include */
  24 #include "gui_main_g.h"
  25 #include "ggz_g.h"
  26
  27 /* client */
  28 #include "clinet.h"
  29
  30 #include "ggzclient.h"
  31
  32 #ifdef GGZ_CLIENT
  33 #  include <ggzmod.h>
  34 #endif
  35
  36 bool with_ggz;
  37
  38 /****************************************************************************
  39   Initializations for GGZ, including checks to see if we are being run from
  40   inside GGZ.
  41 ****************************************************************************/
  42 void ggz_initialize(void)
  43 {
  44 #ifdef GGZ_CLIENT
  45   with_ggz = ggzmod_is_ggz_mode();
  46
  47   if (with_ggz) {
  48     ggz_begin();
  49   }
  50 #endif
  51
  52   gui_ggz_embed_ensure_server();
  53 }
  54
  55 #ifdef GGZ_CLIENT
  56
  57 static GGZMod *ggzmod;
  58
  59 /****************************************************************************
  60   A callback that GGZ calls when we are connected to the freeciv
  61   server.
  62 ****************************************************************************/
  63 static void handle_ggzmod_server(GGZMod * ggzmod, GGZModEvent e,
  64                                  const void *data)
  65 {
  66   const int *socket = data;
  67   const char *username = ggzmod_get_player(ggzmod, NULL, NULL);
  68
  69   if (!username) {
  70     username = "NONE";
  71   }
  72   make_connection(*socket, username);
  73 }
  74
  75 /****************************************************************************
  76   Callback for when the GGZ client tells us player stats.
  77 ****************************************************************************/
  78 static void handle_ggzmod_stats(GGZMod *ggzmod, GGZModEvent e,
  79                                 const void *data)
  80 {
  81   conn_list_dialog_update();
  82 }
  83
  84 /****************************************************************************
  85   Connect to the GGZ client.
  86 ****************************************************************************/
  87 void ggz_begin(void)
  88 {
  89   int ggz_socket;
  90
  91   /* We're in GGZ mode */
  92   ggzmod = ggzmod_new(GGZMOD_GAME);
  93   ggzmod_set_handler(ggzmod, GGZMOD_EVENT_SERVER, &handle_ggzmod_server);
  94   ggzmod_set_handler(ggzmod, GGZMOD_EVENT_STATS, &handle_ggzmod_stats);
  95   if (ggzmod_connect(ggzmod) < 0) {
  96     exit(EXIT_FAILURE);
  97   }
  98   ggz_socket = ggzmod_get_fd(ggzmod);
  99   if (ggz_socket < 0) {
 100     fc_fprintf(stderr, _("Only the GGZ client must call freeciv-client"
 101                          " in ggz mode!\n"));
 102     exit(EXIT_FAILURE);
 103   }
 104   add_ggz_input(ggz_socket);
 105 }
 106
 107 /****************************************************************************
 108   Called when the ggz socket has data pending.
 109 ****************************************************************************/
 110 void input_from_ggz(int socket)
 111 {
 112   if (ggzmod_dispatch(ggzmod) < 0) {
 113     disconnect_from_server();
 114   }
 115 }
 116
 117 /****************************************************************************
 118   Find the seat for the given player (in the seat parameter), or returns
 119   FALSE if no seat is found.
 120 ****************************************************************************/
 121 static bool user_get_seat(const char *name, GGZSeat *seat)
 122 {
 123   int i;
 124   int num = ggzmod_get_num_seats(ggzmod);
 125
 126   for (i = 0; i < num; i++) {
 127     *seat = ggzmod_get_seat(ggzmod, i);
 128
 129     if (seat->type == GGZ_SEAT_PLAYER
 130         && strcasecmp(seat->name, name) == 0) {
 131       return TRUE;
 132     }
 133   }
 134
 135   return FALSE;
 136 }
 137
 138 /****************************************************************************
 139   Find the player's rating, or return FALSE if there is no rating.
 140 ****************************************************************************/
 141 bool user_get_rating(const char *name, int *rating)
 142 {
 143   GGZSeat seat;
 144
 145   if (user_get_seat(name, &seat)) {
 146     return ggzmod_player_get_rating(ggzmod, &seat, rating);
 147   }
 148
 149   return FALSE;
 150 }
 151
 152 /****************************************************************************
 153   Find the player's record, or return FALSE if there is no record.
 154 ****************************************************************************/
 155 bool user_get_record(const char *name,
 156                        int *wins, int *losses, int *ties, int *forfeits)
 157 {
 158   GGZSeat seat;
 159
 160   if (user_get_seat(name, &seat)) {
 161     return ggzmod_player_get_record(ggzmod, &seat,
 162                                     wins, losses, ties, forfeits);
 163   }
 164
 165   return FALSE;
 166
 167 }
 168
 169 #endif /* GGZ_CLIENT */