finch/gntconn.c

   1 /* finch
   2  *
   3  * Finch is the legal property of its developers, whose names are too numerous
   4  * to list here.  Please refer to the COPYRIGHT file distributed with this
   5  * source distribution.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  20  */
  21 #include <internal.h>
  22 #include "finch.h"
  23
  24 #include "account.h"
  25 #include "core.h"
  26 #include "connection.h"
  27 #include "debug.h"
  28 #include "request.h"
  29
  30 #include "gntaccount.h"
  31 #include "gntconn.h"
  32
  33 #define INITIAL_RECON_DELAY_MIN  8000
  34 #define INITIAL_RECON_DELAY_MAX 60000
  35
  36 #define MAX_RECON_DELAY 600000
  37
  38 typedef struct {
  39         int delay;
  40         guint timeout;
  41 } FinchAutoRecon;
  42
  43 /*
  44  * Contains accounts that are auto-reconnecting.
  45  * The key is a pointer to the PurpleAccount and the
  46  * value is a pointer to a FinchAutoRecon.
  47  */
  48 static GHashTable *hash = NULL;
  49
  50 static void
  51 free_auto_recon(gpointer data)
  52 {
  53         FinchAutoRecon *info = data;
  54
  55         if (info->timeout != 0)
  56                 g_source_remove(info->timeout);
  57
  58         g_free(info);
  59 }
  60
  61
  62 static gboolean
  63 do_signon(gpointer data)
  64 {
  65         PurpleAccount *account = data;
  66         FinchAutoRecon *info;
  67         PurpleStatus *status;
  68
  69         purple_debug_info("autorecon", "do_signon called\n");
  70         g_return_val_if_fail(account != NULL, FALSE);
  71         info = g_hash_table_lookup(hash, account);
  72
  73         if (info)
  74                 info->timeout = 0;
  75
  76         status = purple_account_get_active_status(account);
  77         if (purple_status_is_online(status))
  78         {
  79                 purple_debug_info("autorecon", "calling purple_account_connect\n");
  80                 purple_account_connect(account);
  81                 purple_debug_info("autorecon", "done calling purple_account_connect\n");
  82         }
  83
  84         return FALSE;
  85 }
  86
  87 static void
  88 ce_modify_account_cb(PurpleAccount *account)
  89 {
  90         finch_account_dialog_show(account);
  91 }
  92
  93 static void
  94 ce_enable_account_cb(PurpleAccount *account)
  95 {
  96         purple_account_set_enabled(account, FINCH_UI, TRUE);
  97 }
  98
  99 static void
 100 finch_connection_report_disconnect(PurpleConnection *gc, PurpleConnectionError reason,
 101                 const char *text)
 102 {
 103         FinchAutoRecon *info;
 104         PurpleAccount *account = purple_connection_get_account(gc);
 105
 106         if (!purple_connection_error_is_fatal(reason)) {
 107                 info = g_hash_table_lookup(hash, account);
 108
 109                 if (info == NULL) {
 110                         info = g_new0(FinchAutoRecon, 1);
 111                         g_hash_table_insert(hash, account, info);
 112                         info->delay = g_random_int_range(INITIAL_RECON_DELAY_MIN, INITIAL_RECON_DELAY_MAX);
 113                 } else {
 114                         info->delay = MIN(2 * info->delay, MAX_RECON_DELAY);
 115                         if (info->timeout != 0)
 116                                 g_source_remove(info->timeout);
 117                 }
 118                 info->timeout = g_timeout_add(info->delay, do_signon, account);
 119         } else {
 120                 char *act, *primary, *secondary;
 121                 act = g_strdup_printf(_("%s (%s)"), purple_account_get_username(account),
 122                                 purple_account_get_protocol_name(account));
 123
 124                 primary = g_strdup_printf(_("%s disconnected."), act);
 125                 secondary = g_strdup_printf(_("%s\n\n"
 126                                 "Finch will not attempt to reconnect the account until you "
 127                                 "correct the error and re-enable the account."), text);
 128
 129                 purple_request_action(account, NULL, primary, secondary, 2,
 130                         purple_request_cpar_from_account(account), account, 3,
 131                                                         _("OK"), NULL,
 132                                                         _("Modify Account"), PURPLE_CALLBACK(ce_modify_account_cb),
 133                                                         _("Re-enable Account"), PURPLE_CALLBACK(ce_enable_account_cb));
 134
 135                 g_free(act);
 136                 g_free(primary);
 137                 g_free(secondary);
 138                 purple_account_set_enabled(account, FINCH_UI, FALSE);
 139         }
 140 }
 141
 142 static void
 143 account_removed_cb(PurpleAccount *account, gpointer user_data)
 144 {
 145         g_hash_table_remove(hash, account);
 146 }
 147
 148 static void *
 149 finch_connection_get_handle(void)
 150 {
 151         static int handle;
 152
 153         return &handle;
 154 }
 155
 156 static PurpleConnectionUiOps ops =
 157 {
 158         NULL, /* connect_progress */
 159         NULL, /* connected */
 160         NULL, /* disconnected */
 161         NULL, /* notice */
 162         NULL, /* network_connected */
 163         NULL, /* network_disconnected */
 164         finch_connection_report_disconnect,
 165         NULL,
 166         NULL,
 167         NULL,
 168         NULL
 169 };
 170
 171 PurpleConnectionUiOps *finch_connections_get_ui_ops()
 172 {
 173         return &ops;
 174 }
 175
 176 void finch_connections_init()
 177 {
 178         hash = g_hash_table_new_full(
 179                                                         g_direct_hash, g_direct_equal,
 180                                                         NULL, free_auto_recon);
 181
 182         purple_signal_connect(purple_accounts_get_handle(), "account-removed",
 183                                                 finch_connection_get_handle(),
 184                                                 PURPLE_CALLBACK(account_removed_cb), NULL);
 185 }
 186
 187 void finch_connections_uninit()
 188 {
 189         purple_signals_disconnect_by_handle(finch_connection_get_handle());
 190         g_hash_table_destroy(hash);
 191 }