finch/gntconn.c

   1 /**
   2  * @file gntconn.c GNT Connection API
   3  * @ingroup finch
   4  */
   5
   6 /* finch
   7  *
   8  * Finch is the legal property of its developers, whose names are too numerous
   9  * to list here.  Please refer to the COPYRIGHT file distributed with this
  10  * source distribution.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  25  */
  26 #include "finch.h"
  27 #include <internal.h>
  28
  29 #include "account.h"
  30 #include "core.h"
  31 #include "connection.h"
  32 #include "debug.h"
  33 #include "request.h"
  34
  35 #include "gntaccount.h"
  36 #include "gntconn.h"
  37
  38 #define INITIAL_RECON_DELAY_MIN  8000
  39 #define INITIAL_RECON_DELAY_MAX 60000
  40
  41 #define MAX_RECON_DELAY 600000
  42
  43 typedef struct {
  44         int delay;
  45         guint timeout;
  46 } FinchAutoRecon;
  47
  48 /**
  49  * Contains accounts that are auto-reconnecting.
  50  * The key is a pointer to the PurpleAccount and the
  51  * value is a pointer to a FinchAutoRecon.
  52  */
  53 static GHashTable *hash = NULL;
  54
  55 static void
  56 free_auto_recon(gpointer data)
  57 {
  58         FinchAutoRecon *info = data;
  59
  60         if (info->timeout != 0)
  61                 g_source_remove(info->timeout);
  62
  63         g_free(info);
  64 }
  65
  66
  67 static gboolean
  68 do_signon(gpointer data)
  69 {
  70         PurpleAccount *account = data;
  71         FinchAutoRecon *info;
  72         PurpleStatus *status;
  73
  74         purple_debug_info("autorecon", "do_signon called\n");
  75         g_return_val_if_fail(account != NULL, FALSE);
  76         info = g_hash_table_lookup(hash, account);
  77
  78         if (info)
  79                 info->timeout = 0;
  80
  81         status = purple_account_get_active_status(account);
  82         if (purple_status_is_online(status))
  83         {
  84                 purple_debug_info("autorecon", "calling purple_account_connect\n");
  85                 purple_account_connect(account);
  86                 purple_debug_info("autorecon", "done calling purple_account_connect\n");
  87         }
  88
  89         return FALSE;
  90 }
  91
  92 static void
  93 ce_modify_account_cb(PurpleAccount *account)
  94 {
  95         finch_account_dialog_show(account);
  96 }
  97
  98 static void
  99 ce_enable_account_cb(PurpleAccount *account)
 100 {
 101         purple_account_set_enabled(account, FINCH_UI, TRUE);
 102 }
 103
 104 static void
 105 finch_connection_report_disconnect(PurpleConnection *gc, PurpleConnectionError reason,
 106                 const char *text)
 107 {
 108         FinchAutoRecon *info;
 109         PurpleAccount *account = purple_connection_get_account(gc);
 110         GList *list;
 111
 112         if (!purple_connection_error_is_fatal(reason)) {
 113                 info = g_hash_table_lookup(hash, account);
 114
 115                 if (info == NULL) {
 116                         info = g_new0(FinchAutoRecon, 1);
 117                         g_hash_table_insert(hash, account, info);
 118                         info->delay = g_random_int_range(INITIAL_RECON_DELAY_MIN, INITIAL_RECON_DELAY_MAX);
 119                 } else {
 120                         info->delay = MIN(2 * info->delay, MAX_RECON_DELAY);
 121                         if (info->timeout != 0)
 122                                 g_source_remove(info->timeout);
 123                 }
 124                 info->timeout = g_timeout_add(info->delay, do_signon, account);
 125         } else {
 126                 char *act, *primary, *secondary;
 127                 act = g_strdup_printf(_("%s (%s)"), purple_account_get_username(account),
 128                                 purple_account_get_protocol_name(account));
 129
 130                 primary = g_strdup_printf(_("%s disconnected."), act);
 131                 secondary = g_strdup_printf(_("%s\n\n"
 132                                 "Finch will not attempt to reconnect the account until you "
 133                                 "correct the error and re-enable the account."), text);
 134
 135                 purple_request_action(account, NULL, primary, secondary, 2,
 136                                                         account, NULL, NULL,
 137                                                         account, 3,
 138                                                         _("OK"), NULL,
 139                                                         _("Modify Account"), PURPLE_CALLBACK(ce_modify_account_cb),
 140                                                         _("Re-enable Account"), PURPLE_CALLBACK(ce_enable_account_cb));
 141
 142                 g_free(act);
 143                 g_free(primary);
 144                 g_free(secondary);
 145                 purple_account_set_enabled(account, FINCH_UI, FALSE);
 146         }
 147
 148         /* If we have any open chats, we probably want to rejoin when we get back online. */
 149         list = purple_get_chats();
 150         while (list) {
 151                 PurpleConversation *conv = list->data;
 152                 list = list->next;
 153                 if (purple_conversation_get_account(conv) != account ||
 154                                 purple_conv_chat_has_left(PURPLE_CONV_CHAT(conv)))
 155                         continue;
 156                 purple_conversation_set_data(conv, "want-to-rejoin", GINT_TO_POINTER(TRUE));
 157                 purple_conversation_write(conv, NULL, _("The account has disconnected and you are no "
 158                                         "longer in this chat. You will be automatically rejoined in the chat when "
 159                                         "the account reconnects."),
 160                                 PURPLE_MESSAGE_SYSTEM, time(NULL));
 161         }
 162 }
 163
 164 static void
 165 account_removed_cb(PurpleAccount *account, gpointer user_data)
 166 {
 167         g_hash_table_remove(hash, account);
 168 }
 169
 170 static void *
 171 finch_connection_get_handle(void)
 172 {
 173         static int handle;
 174
 175         return &handle;
 176 }
 177
 178 static PurpleConnectionUiOps ops =
 179 {
 180         NULL, /* connect_progress */
 181         NULL, /* connected */
 182         NULL, /* disconnected */
 183         NULL, /* notice */
 184         NULL,
 185         NULL, /* network_connected */
 186         NULL, /* network_disconnected */
 187         finch_connection_report_disconnect,
 188         NULL,
 189         NULL,
 190         NULL
 191 };
 192
 193 PurpleConnectionUiOps *finch_connections_get_ui_ops()
 194 {
 195         return &ops;
 196 }
 197
 198 void finch_connections_init()
 199 {
 200         hash = g_hash_table_new_full(
 201                                                         g_direct_hash, g_direct_equal,
 202                                                         NULL, free_auto_recon);
 203
 204         purple_signal_connect(purple_accounts_get_handle(), "account-removed",
 205                                                 finch_connection_get_handle(),
 206                                                 PURPLE_CALLBACK(account_removed_cb), NULL);
 207 }
 208
 209 void finch_connections_uninit()
 210 {
 211         purple_signals_disconnect_by_handle(finch_connection_get_handle());
 212         g_hash_table_destroy(hash);
 213 }