forked from enlightenment/efl
443 lines
12 KiB
C
443 lines
12 KiB
C
/* Portions of this code have been derived from Weston
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*
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* Copyright © 2008-2012 Kristian Høgsberg
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* Copyright © 2010-2012 Intel Corporation
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* Copyright © 2010-2011 Benjamin Franzke
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* Copyright © 2011-2012 Collabora, Ltd.
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* Copyright © 2010 Red Hat <mjg@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "ecore_drm_private.h"
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static int _dbus_init_count = 0;
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static Eldbus_Connection *dconn;
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static Eldbus_Object *dobj;
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static void
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_ecore_drm_dbus_device_pause_done(uint32_t major, uint32_t minor)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return;
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}
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if (!(msg = eldbus_proxy_method_call_new(proxy, "PauseDeviceComplete")))
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{
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ERR("Could not create method call for proxy");
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return;
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}
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eldbus_message_arguments_append(msg, "uu", major, minor);
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eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
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}
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static void
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_cb_session_removed(void *data, const Eldbus_Message *msg)
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{
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Ecore_Drm_Device *dev;
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const char *errname, *errmsg;
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const char *sid;
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if (!(dev = data)) return;
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if (eldbus_message_error_get(msg, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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return;
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}
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if (eldbus_message_arguments_get(msg, "s", &sid))
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{
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if (!strcmp(sid, dev->session))
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{
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WRN("\tCurrent Session Removed!!");
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_ecore_drm_logind_restore(dev);
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}
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}
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}
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static void
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_cb_device_paused(void *ctxt EINA_UNUSED, const Eldbus_Message *msg)
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{
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const char *errname, *errmsg;
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const char *type;
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uint32_t maj, min;
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if (eldbus_message_error_get(msg, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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return;
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}
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if (eldbus_message_arguments_get(msg, "uus", &maj, &min, &type))
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{
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if (!strcmp(type, "pause"))
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_ecore_drm_dbus_device_pause_done(maj, min);
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if (maj == DRM_MAJOR)
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_ecore_drm_event_activate_send(EINA_FALSE);
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}
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}
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static void
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_cb_device_resumed(void *ctxt EINA_UNUSED, const Eldbus_Message *msg)
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{
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const char *errname, *errmsg;
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uint32_t maj, min;
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int fd;
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if (eldbus_message_error_get(msg, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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return;
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}
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if (eldbus_message_arguments_get(msg, "uuh", &maj, &min, &fd))
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{
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if (maj == DRM_MAJOR)
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_ecore_drm_event_activate_send(EINA_TRUE);
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}
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}
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static void
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_property_response_set(void *data EINA_UNUSED, const Eldbus_Message *msg, Eldbus_Pending *pending EINA_UNUSED)
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{
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const char *errname, *errmsg;
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if (eldbus_message_error_get(msg, &errname, &errmsg))
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ERR("Eldbus Message error %s - %s\n\n", errname, errmsg);
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}
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static void
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_cb_properties_changed(void *data EINA_UNUSED, Eldbus_Proxy *proxy EINA_UNUSED, void *event)
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{
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Eldbus_Proxy_Event_Property_Changed *ev;
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ev = event;
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if (!strcmp(ev->name, "Active"))
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{
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eldbus_proxy_property_set(proxy, "Active", "b", (void *)EINA_TRUE,
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_property_response_set, NULL);
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eldbus_proxy_property_set(proxy, "State", "s", &"active",
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_property_response_set, NULL);
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}
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}
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Eina_Bool
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_ecore_drm_dbus_session_take(void)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg, *reply;
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const char *errname, *errmsg;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return EINA_FALSE;
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}
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/* send call to take control */
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if (!(msg = eldbus_proxy_method_call_new(proxy, "TakeControl")))
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{
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ERR("Could not create method call for proxy");
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return EINA_FALSE;
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}
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eldbus_message_arguments_append(msg, "b", EINA_FALSE);
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reply = eldbus_proxy_send_and_block(proxy, msg, -1);
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if (eldbus_message_error_get(reply, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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eldbus_message_unref(reply);
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return EINA_FALSE;
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}
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eldbus_message_unref(reply);
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return EINA_TRUE;
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}
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Eina_Bool
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_ecore_drm_dbus_session_release(void)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg, *reply;
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const char *errname, *errmsg;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return EINA_FALSE;
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}
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/* send call to release control */
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if (!(msg = eldbus_proxy_method_call_new(proxy, "ReleaseControl")))
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{
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ERR("Could not create method call for proxy");
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return EINA_FALSE;
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}
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reply = eldbus_proxy_send_and_block(proxy, msg, -1);
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if (eldbus_message_error_get(reply, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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eldbus_message_unref(reply);
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return EINA_FALSE;
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}
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eldbus_message_unref(reply);
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return EINA_TRUE;
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}
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void
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_ecore_drm_dbus_device_release(uint32_t major, uint32_t minor)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return;
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}
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if (!(msg = eldbus_proxy_method_call_new(proxy, "ReleaseDevice")))
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{
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ERR("Could not create method call for proxy");
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return;
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}
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eldbus_message_arguments_append(msg, "uu", major, minor);
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eldbus_proxy_send(proxy, msg, NULL, NULL, -1);
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}
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static void
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_cb_device_taken(void *data, const Eldbus_Message *msg, Eldbus_Pending *pending)
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{
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const char *errname, *errmsg;
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Ecore_Drm_Open_Cb callback = NULL;
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Eina_Bool b = EINA_FALSE;
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int fd = -1;
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if (eldbus_message_error_get(msg, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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goto eldbus_err;
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}
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/* DBUS_TYPE_UNIX_FD == 'h' */
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if (!eldbus_message_arguments_get(msg, "hb", &fd, &b))
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ERR("\tCould not get UNIX_FD from eldbus message: %d %d", fd, b);
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eldbus_err:
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callback = (Ecore_Drm_Open_Cb)eldbus_pending_data_del(pending, "callback");
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if (callback) callback(data, fd, b);
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}
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int
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_ecore_drm_dbus_device_take(uint32_t major, uint32_t minor, Ecore_Drm_Open_Cb callback, void *data)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg;
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Eldbus_Pending *pending;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return -1;
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}
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if (!(msg = eldbus_proxy_method_call_new(proxy, "TakeDevice")))
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{
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ERR("Could not create method call for proxy");
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return -1;
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}
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eldbus_message_arguments_append(msg, "uu", major, minor);
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pending = eldbus_proxy_send(proxy, msg, _cb_device_taken, data, -1);
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if (callback) eldbus_pending_data_set(pending, "callback", callback);
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return 1;
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}
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int
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_ecore_drm_dbus_device_take_no_pending(uint32_t major, uint32_t minor, Eina_Bool *paused_out, double timeout)
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{
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Eldbus_Proxy *proxy;
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Eldbus_Message *msg, *reply;
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Eina_Bool b;
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const char *errname, *errmsg;
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int fd;
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus session proxy");
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return -1;
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}
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if (!(msg = eldbus_proxy_method_call_new(proxy, "TakeDevice")))
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{
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ERR("Could not create method call for proxy");
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return -1;
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}
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if (!eldbus_message_arguments_append(msg, "uu", major, minor))
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{
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eldbus_message_unref(msg);
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return -1;
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}
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reply = eldbus_proxy_send_and_block(proxy, msg, timeout);
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if (eldbus_message_error_get(reply, &errname, &errmsg))
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{
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ERR("Eldbus Message Error: %s %s", errname, errmsg);
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eldbus_message_unref(reply);
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return -1;
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}
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if (!eldbus_message_arguments_get(reply, "hb", &fd, &b))
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{
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eldbus_message_unref(reply);
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return -1;
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}
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eldbus_message_unref(reply);
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if (paused_out) *paused_out = b;
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return fd;
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}
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int
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_ecore_drm_dbus_init(Ecore_Drm_Device *dev)
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{
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Eldbus_Proxy *proxy;
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int ret = 0;
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char *dpath;
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if (++_dbus_init_count != 1) return _dbus_init_count;
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if (!dev->session) return --_dbus_init_count;
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/* try to init eldbus */
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if (!eldbus_init())
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{
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ERR("Could not init eldbus library");
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return --_dbus_init_count;
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}
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/* try to get the dbus connection */
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if (!(dconn = eldbus_connection_get(ELDBUS_CONNECTION_TYPE_SYSTEM)))
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{
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ERR("Failed to get eldbus system connection");
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goto conn_err;
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}
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/* assemble dbus path */
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ret = asprintf(&dpath, "/org/freedesktop/login1/session/%s", dev->session);
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if (ret < 0)
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{
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ERR("Could not assemble dbus path");
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goto path_err;
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}
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/* try to get the eldbus object */
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if (!(dobj = eldbus_object_get(dconn, "org.freedesktop.login1", dpath)))
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{
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ERR("Could not get eldbus object: %s", dpath);
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goto obj_err;
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}
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/* try to get the Manager proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Manager")))
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{
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ERR("Could not get eldbus proxy");
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goto proxy_err;
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}
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eldbus_proxy_signal_handler_add(proxy, "SessionRemoved",
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_cb_session_removed, dev);
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/* try to get the Session proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.login1.Session")))
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{
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ERR("Could not get eldbus proxy");
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goto proxy_err;
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}
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eldbus_proxy_signal_handler_add(proxy, "PauseDevice",
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_cb_device_paused, NULL);
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eldbus_proxy_signal_handler_add(proxy, "ResumeDevice",
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_cb_device_resumed, NULL);
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/* try to get the Properties proxy */
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if (!(proxy = eldbus_proxy_get(dobj, "org.freedesktop.DBus.Properties")))
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{
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ERR("Could not get eldbus proxy");
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goto proxy_err;
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}
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eldbus_proxy_properties_monitor(proxy, EINA_TRUE);
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eldbus_proxy_event_callback_add(proxy, ELDBUS_PROXY_EVENT_PROPERTY_CHANGED,
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_cb_properties_changed, NULL);
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return _dbus_init_count;
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proxy_err:
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eldbus_object_unref(dobj);
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obj_err:
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free(dpath);
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path_err:
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eldbus_connection_unref(dconn);
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conn_err:
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eldbus_shutdown();
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return --_dbus_init_count;
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}
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int
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_ecore_drm_dbus_shutdown(void)
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{
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if (--_dbus_init_count != 0) return _dbus_init_count;
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/* release dbus object */
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if (dobj) eldbus_object_unref(dobj);
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/* release the dbus connection */
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if (dconn) eldbus_connection_unref(dconn);
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/* shutdown eldbus library */
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eldbus_shutdown();
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return _dbus_init_count;
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}
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