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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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* Copyright (C) 2008 Novell, Inc.
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* Copyright (C) 2009 - 2010 Red Hat, Inc.
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#include "mm-callback-info.h"
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#include "mm-errors.h"
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#define CALLBACK_INFO_RESULT "callback-info-result"
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invoke_mm_modem_fn (MMCallbackInfo *info)
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MMModemFn callback = (MMModemFn) info->callback;
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callback (info->modem, info->error, info->user_data);
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invoke_mm_modem_uint_fn (MMCallbackInfo *info)
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MMModemUIntFn callback = (MMModemUIntFn) info->callback;
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callback (info->modem,
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GPOINTER_TO_UINT (mm_callback_info_get_data (info, CALLBACK_INFO_RESULT)),
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info->error, info->user_data);
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invoke_mm_modem_string_fn (MMCallbackInfo *info)
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MMModemStringFn callback = (MMModemStringFn) info->callback;
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callback (info->modem,
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(const char *) mm_callback_info_get_data (info, CALLBACK_INFO_RESULT),
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info->error, info->user_data);
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modem_destroyed_cb (gpointer data, GObject *destroyed)
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MMCallbackInfo *info = data;
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/* Reset modem pointer, so that callback know that they shouldn't do
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/* Overwrite any possible previous error set */
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g_clear_error (&(info->error));
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info->error = g_error_new_literal (MM_MODEM_ERROR,
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MM_MODEM_ERROR_REMOVED,
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"The modem was removed.");
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/* Only schedule the info if not already done before */
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if (!info->pending_id)
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mm_callback_info_schedule (info);
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callback_info_done (gpointer user_data)
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MMCallbackInfo *info = (MMCallbackInfo *) user_data;
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if (info->invoke_fn && info->callback)
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info->invoke_fn (info);
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mm_callback_info_unref (info);
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callback_info_do (gpointer user_data)
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/* Nothing here, everything is done in callback_info_done to make sure the info->callback
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always gets called, even if the pending call gets cancelled. */
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mm_callback_info_schedule (MMCallbackInfo *info)
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g_return_if_fail (info != NULL);
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g_return_if_fail (info->pending_id == 0);
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g_return_if_fail (info->called == FALSE);
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g_warn_if_fail (info->chain_left == 0);
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info->pending_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, callback_info_do, info, callback_info_done);
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mm_callback_info_new_full (MMModem *modem,
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MMCallbackInfoInvokeFn invoke_fn,
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MMCallbackInfo *info;
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g_return_val_if_fail (modem != NULL, NULL);
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info = g_slice_new0 (MMCallbackInfo);
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g_datalist_init (&info->qdata);
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g_object_weak_ref (G_OBJECT (modem), modem_destroyed_cb, info);
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info->invoke_fn = invoke_fn;
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info->callback = callback;
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info->user_data = user_data;
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mm_callback_info_new (MMModem *modem, MMModemFn callback, gpointer user_data)
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g_return_val_if_fail (modem != NULL, NULL);
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return mm_callback_info_new_full (modem, invoke_mm_modem_fn, (GCallback) callback, user_data);
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mm_callback_info_uint_new (MMModem *modem,
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MMModemUIntFn callback,
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g_return_val_if_fail (modem != NULL, NULL);
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return mm_callback_info_new_full (modem, invoke_mm_modem_uint_fn, (GCallback) callback, user_data);
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mm_callback_info_string_new (MMModem *modem,
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MMModemStringFn callback,
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g_return_val_if_fail (modem != NULL, NULL);
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return mm_callback_info_new_full (modem, invoke_mm_modem_string_fn, (GCallback) callback, user_data);
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mm_callback_info_get_result (MMCallbackInfo *info)
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g_return_val_if_fail (info != NULL, NULL);
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return mm_callback_info_get_data (info, CALLBACK_INFO_RESULT);
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mm_callback_info_set_result (MMCallbackInfo *info,
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GDestroyNotify destroy)
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g_return_if_fail (info != NULL);
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mm_callback_info_set_data (info, CALLBACK_INFO_RESULT, data, destroy);
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mm_callback_info_set_data (MMCallbackInfo *info,
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GDestroyNotify destroy)
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g_return_if_fail (info != NULL);
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g_return_if_fail (key != NULL);
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g_datalist_id_set_data_full (&info->qdata, g_quark_from_string (key), data,
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data ? destroy : (GDestroyNotify) NULL);
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mm_callback_info_get_data (MMCallbackInfo *info, const char *key)
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g_return_val_if_fail (info != NULL, NULL);
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g_return_val_if_fail (key != NULL, NULL);
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quark = g_quark_try_string (key);
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return quark ? g_datalist_id_get_data (&info->qdata, quark) : NULL;
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mm_callback_info_check_modem_removed (MMCallbackInfo *info)
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g_return_val_if_fail (info != NULL, TRUE);
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return (info->modem ? FALSE : TRUE);
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mm_callback_info_ref (MMCallbackInfo *info)
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g_return_val_if_fail (info != NULL, NULL);
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g_return_val_if_fail (info->refcount > 0, NULL);
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mm_callback_info_unref (MMCallbackInfo *info)
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g_return_if_fail (info != NULL);
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if (info->refcount == 0) {
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g_error_free (info->error);
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g_object_weak_unref (G_OBJECT (info->modem), modem_destroyed_cb, info);
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g_datalist_clear (&info->qdata);
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g_slice_free (MMCallbackInfo, info);
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mm_callback_info_chain_start (MMCallbackInfo *info, guint num)
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g_return_if_fail (info != NULL);
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g_return_if_fail (num > 0);
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g_return_if_fail (info->chain_left == 0);
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info->chain_left = num;
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mm_callback_info_chain_complete_one (MMCallbackInfo *info)
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g_return_if_fail (info != NULL);
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g_return_if_fail (info->chain_left > 0);
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if (info->chain_left == 0)
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mm_callback_info_schedule (info);