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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2009-2011 Vic Lee
* Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
* Copyright (C) 2016-2021 Antenore Gatta, Giovanni Panozzo
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
/* Support for execution on main thread of some GTK related
* functions (due to threads deprecations in GTK) */
#include <gtk/gtk.h>
#include "remmina_masterthread_exec.h"
static pthread_t gMainThreadID;
static gboolean remmina_masterthread_exec_callback(RemminaMTExecData *d)
{
/* This function is called on main GTK Thread via gdk_threads_add_idlde()
* from remmina_masterthread_exec_and_wait() */
if (!d->cancelled) {
switch (d->func) {
case FUNC_INIT_SAVE_CRED:
remmina_protocol_widget_save_cred(d->p.init_save_creds.gp);
break;
case FUNC_CHAT_RECEIVE:
remmina_protocol_widget_chat_receive(d->p.chat_receive.gp, d->p.chat_receive.text);
break;
case FUNC_FILE_GET_STRING:
d->p.file_get_string.retval = remmina_file_get_string( d->p.file_get_string.remminafile, d->p.file_get_string.setting );
break;
case FUNC_GTK_LABEL_SET_TEXT:
gtk_label_set_text( d->p.gtk_label_set_text.label, d->p.gtk_label_set_text.str );
break;
case FUNC_FTP_CLIENT_UPDATE_TASK:
remmina_ftp_client_update_task( d->p.ftp_client_update_task.client, d->p.ftp_client_update_task.task );
break;
case FUNC_FTP_CLIENT_GET_WAITING_TASK:
d->p.ftp_client_get_waiting_task.retval = remmina_ftp_client_get_waiting_task( d->p.ftp_client_get_waiting_task.client );
break;
case FUNC_PROTOCOLWIDGET_EMIT_SIGNAL:
remmina_protocol_widget_emit_signal(d->p.protocolwidget_emit_signal.gp, d->p.protocolwidget_emit_signal.signal_name);
break;
case FUNC_PROTOCOLWIDGET_MPPROGRESS:
d->p.protocolwidget_mpprogress.ret_mp = remmina_protocol_widget_mpprogress(d->p.protocolwidget_mpprogress.cnnobj, d->p.protocolwidget_mpprogress.message,
d->p.protocolwidget_mpprogress.response_callback, d->p.protocolwidget_mpprogress.response_callback_data);
break;
case FUNC_PROTOCOLWIDGET_MPDESTROY:
remmina_protocol_widget_mpdestroy(d->p.protocolwidget_mpdestroy.cnnobj, d->p.protocolwidget_mpdestroy.mp);
break;
case FUNC_PROTOCOLWIDGET_MPSHOWRETRY:
remmina_protocol_widget_panel_show_retry(d->p.protocolwidget_mpshowretry.gp);
break;
case FUNC_PROTOCOLWIDGET_PANELSHOWLISTEN:
remmina_protocol_widget_panel_show_listen(d->p.protocolwidget_panelshowlisten.gp, d->p.protocolwidget_panelshowlisten.port);
break;
case FUNC_SFTP_CLIENT_CONFIRM_RESUME:
#ifdef HAVE_LIBSSH
d->p.sftp_client_confirm_resume.retval = remmina_sftp_client_confirm_resume( d->p.sftp_client_confirm_resume.client,
d->p.sftp_client_confirm_resume.path );
#endif
break;
case FUNC_VTE_TERMINAL_SET_ENCODING_AND_PTY:
#if defined (HAVE_LIBSSH) && defined (HAVE_LIBVTE)
remmina_plugin_ssh_vte_terminal_set_encoding_and_pty( d->p.vte_terminal_set_encoding_and_pty.terminal,
d->p.vte_terminal_set_encoding_and_pty.codeset,
d->p.vte_terminal_set_encoding_and_pty.master,
d->p.vte_terminal_set_encoding_and_pty.slave);
#endif
break;
}
pthread_mutex_lock(&d->pt_mutex);
d->complete = TRUE;
pthread_cond_signal(&d->pt_cond);
pthread_mutex_unlock(&d->pt_mutex);
}else {
/* thread has been cancelled, so we must free d memory here */
g_free(d);
}
return G_SOURCE_REMOVE;
}
static void remmina_masterthread_exec_cleanup_handler(gpointer data)
{
RemminaMTExecData *d = data;
d->cancelled = TRUE;
}
void remmina_masterthread_exec_and_wait(RemminaMTExecData *d)
{
d->cancelled = FALSE;
d->complete = FALSE;
pthread_cleanup_push(remmina_masterthread_exec_cleanup_handler, (void*)d);
pthread_mutex_init(&d->pt_mutex, NULL);
pthread_cond_init(&d->pt_cond, NULL);
gdk_threads_add_idle((GSourceFunc)remmina_masterthread_exec_callback, (gpointer)d);
pthread_mutex_lock(&d->pt_mutex);
while (!d->complete)
pthread_cond_wait(&d->pt_cond, &d->pt_mutex);
pthread_cleanup_pop(0);
pthread_mutex_destroy(&d->pt_mutex);
pthread_cond_destroy(&d->pt_cond);
}
void remmina_masterthread_exec_save_main_thread_id()
{
/* To be called from main thread at startup */
gMainThreadID = pthread_self();
}
gboolean remmina_masterthread_exec_is_main_thread()
{
return pthread_equal(gMainThreadID, pthread_self()) != 0;
}
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