finch/gntconn.c

   1 /*
   2  * finch
   3  *
   4  * Finch is the legal property of its developers, whose names are too numerous
   5  * to list here.  Please refer to the COPYRIGHT file distributed with this
   6  * source distribution.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  21  */
  22
  23 #include <internal.h>
  24 #include "finch.h"
  25
  26 #include "account.h"
  27 #include "core.h"
  28 #include "connection.h"
  29 #include "debug.h"
  30 #include "request.h"
  31
  32 #include "gntaccount.h"
  33 #include "gntconn.h"
  34
  35 #define INITIAL_RECON_DELAY_MIN  8000
  36 #define INITIAL_RECON_DELAY_MAX 60000
  37
  38 #define MAX_RECON_DELAY 600000
  39
  40 typedef struct {
  41         int delay;
  42         guint timeout;
  43 } FinchAutoRecon;
  44
  45 /*
  46  * Contains accounts that are auto-reconnecting.
  47  * The key is a pointer to the PurpleAccount and the
  48  * value is a pointer to a FinchAutoRecon.
  49  */
  50 static GHashTable *hash = NULL;
  51
  52 static void
  53 free_auto_recon(gpointer data)
  54 {
  55         FinchAutoRecon *info = data;
  56
  57         if (info->timeout != 0)
  58                 g_source_remove(info->timeout);
  59
  60         g_free(info);
  61 }
  62
  63
  64 static gboolean
  65 do_signon(gpointer data)
  66 {
  67         PurpleAccount *account = data;
  68         FinchAutoRecon *info;
  69         PurpleStatus *status;
  70
  71         purple_debug_info("autorecon", "do_signon called\n");
  72         g_return_val_if_fail(account != NULL, FALSE);
  73         info = g_hash_table_lookup(hash, account);
  74
  75         if (info)
  76                 info->timeout = 0;
  77
  78         status = purple_account_get_active_status(account);
  79         if (purple_status_is_online(status))
  80         {
  81                 purple_debug_info("autorecon", "calling purple_account_connect\n");
  82                 purple_account_connect(account);
  83                 purple_debug_info("autorecon", "done calling purple_account_connect\n");
  84         }
  85
  86         return FALSE;
  87 }
  88
  89 static void
  90 ce_modify_account_cb(PurpleAccount *account)
  91 {
  92         finch_account_dialog_show(account);
  93 }
  94
  95 static void
  96 ce_enable_account_cb(PurpleAccount *account)
  97 {
  98         purple_account_set_enabled(account, FINCH_UI, TRUE);
  99 }
 100
 101 static void
 102 finch_connection_report_disconnect(PurpleConnection *gc, PurpleConnectionError reason,
 103                 const char *text)
 104 {
 105         FinchAutoRecon *info;
 106         PurpleAccount *account = purple_connection_get_account(gc);
 107
 108         if (!purple_connection_error_is_fatal(reason)) {
 109                 info = g_hash_table_lookup(hash, account);
 110
 111                 if (info == NULL) {
 112                         info = g_new0(FinchAutoRecon, 1);
 113                         g_hash_table_insert(hash, account, info);
 114                         info->delay = g_random_int_range(INITIAL_RECON_DELAY_MIN, INITIAL_RECON_DELAY_MAX);
 115                 } else {
 116                         info->delay = MIN(2 * info->delay, MAX_RECON_DELAY);
 117                         if (info->timeout != 0)
 118                                 g_source_remove(info->timeout);
 119                 }
 120                 info->timeout = g_timeout_add(info->delay, do_signon, account);
 121         } else {
 122                 char *act, *primary, *secondary;
 123                 act = g_strdup_printf(_("%s (%s)"), purple_account_get_username(account),
 124                                 purple_account_get_protocol_name(account));
 125
 126                 primary = g_strdup_printf(_("%s disconnected."), act);
 127                 secondary = g_strdup_printf(_("%s\n\n"
 128                                 "Finch will not attempt to reconnect the account until you "
 129                                 "correct the error and re-enable the account."), text);
 130
 131                 purple_request_action(account, NULL, primary, secondary, 2,
 132                         purple_request_cpar_from_account(account), account, 3,
 133                                                         _("OK"), NULL,
 134                                                         _("Modify Account"), PURPLE_CALLBACK(ce_modify_account_cb),
 135                                                         _("Re-enable Account"), PURPLE_CALLBACK(ce_enable_account_cb));
 136
 137                 g_free(act);
 138                 g_free(primary);
 139                 g_free(secondary);
 140                 purple_account_set_enabled(account, FINCH_UI, FALSE);
 141         }
 142 }
 143
 144 static void
 145 account_removed_cb(PurpleAccount *account, gpointer user_data)
 146 {
 147         g_hash_table_remove(hash, account);
 148 }
 149
 150 static void *
 151 finch_connection_get_handle(void)
 152 {
 153         static int handle;
 154
 155         return &handle;
 156 }
 157
 158 static PurpleConnectionUiOps ops =
 159 {
 160         NULL, /* connect_progress */
 161         NULL, /* connected */
 162         NULL, /* disconnected */
 163         NULL, /* notice */
 164         NULL, /* network_connected */
 165         NULL, /* network_disconnected */
 166         finch_connection_report_disconnect,
 167         NULL,
 168         NULL,
 169         NULL,
 170         NULL
 171 };
 172
 173 PurpleConnectionUiOps *finch_connections_get_ui_ops()
 174 {
 175         return &ops;
 176 }
 177
 178 void finch_connections_init()
 179 {
 180         hash = g_hash_table_new_full(
 181                                                         g_direct_hash, g_direct_equal,
 182                                                         NULL, free_auto_recon);
 183
 184         purple_signal_connect(purple_accounts_get_handle(), "account-removed",
 185                                                 finch_connection_get_handle(),
 186                                                 PURPLE_CALLBACK(account_removed_cb), NULL);
 187 }
 188
 189 void finch_connections_uninit()
 190 {
 191         purple_signals_disconnect_by_handle(finch_connection_get_handle());
 192         g_hash_table_destroy(hash);
 193 }