1404 lines
37 KiB
C
1404 lines
37 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2009, 2010 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains implementation of the graph virtualizer object
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**************************************************************************
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*
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* LADI Session Handler 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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*
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* LADI Session Handler 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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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "virtualizer.h"
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#include "../dbus_constants.h"
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#include "../proxies/a2j_proxy.h"
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#include "../proxies/jmcore_proxy.h"
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#include "procfs.h"
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#include "app_supervisor.h"
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#include "studio_internal.h"
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#include "../common/catdup.h"
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#include "room.h"
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#include "studio.h"
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#include "../alsapid/alsapid.h"
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struct virtualizer
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{
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graph_proxy_handle jack_graph_proxy;
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ladish_graph_handle jack_graph;
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uint64_t system_client_id;
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unsigned int our_clients_count;
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};
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/* 47c1cd18-7b21-4389-bec4-6e0658e1d6b1 */
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UUID_DEFINE(g_system_capture_uuid,0x47,0xC1,0xCD,0x18,0x7B,0x21,0x43,0x89,0xBE,0xC4,0x6E,0x06,0x58,0xE1,0xD6,0xB1);
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/* b2a0bb06-28d8-4bfe-956e-eb24378f9629 */
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UUID_DEFINE(g_system_playback_uuid,0xB2,0xA0,0xBB,0x06,0x28,0xD8,0x4B,0xFE,0x95,0x6E,0xEB,0x24,0x37,0x8F,0x96,0x29);
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/* be23a242-e2b2-11de-b795-002618af5e42 */
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UUID_DEFINE(g_a2j_uuid,0xBE,0x23,0xA2,0x42,0xE2,0xB2,0x11,0xDE,0xB7,0x95,0x00,0x26,0x18,0xAF,0x5E,0x42);
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struct app_find_context
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{
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pid_t pid;
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ladish_graph_handle graph;
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ladish_app_handle app;
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};
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#define app_find_context_ptr ((struct app_find_context *)context)
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static bool lookup_app_in_supervisor(void * context, ladish_graph_handle graph, ladish_app_supervisor_handle app_supervisor)
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{
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pid_t pid;
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ladish_app_handle app;
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/* we stop iteration when app is found */
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ASSERT(app_find_context_ptr->app == NULL && app_find_context_ptr->graph == NULL);
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//log_info("checking app supervisor \"%s\" for pid %llu", ladish_app_supervisor_get_name(app_supervisor), (unsigned long long)pid);
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pid = app_find_context_ptr->pid;
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do
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{
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app = ladish_app_supervisor_find_app_by_pid(app_supervisor, pid);
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if (app != NULL)
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break;
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pid = (pid_t)procfs_get_process_parent((unsigned long long)pid);
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#if 0
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if (pid != 0)
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{
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log_info("parent pid %llu", (unsigned long long)pid);
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}
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#endif
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}
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while (pid != 0);
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if (app == NULL)
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{ /* app not found in current supervisor */
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return true; /* continue app supervisor iteration */
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}
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app_find_context_ptr->app = app;
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app_find_context_ptr->graph = graph;
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return false; /* stop app supervisor iteration */
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}
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#undef app_find_context_ptr
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static ladish_app_handle ladish_virtualizer_find_app_by_pid(struct virtualizer * virtualizer_ptr, pid_t pid, ladish_graph_handle * graph_ptr)
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{
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struct app_find_context context;
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context.pid = pid;
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context.app = NULL;
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context.graph = NULL;
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ladish_studio_iterate_virtual_graphs(&context, lookup_app_in_supervisor);
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if (context.app == NULL)
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{ /* app not found */
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ASSERT(context.graph == NULL);
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return NULL;
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}
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ASSERT(context.graph != NULL);
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*graph_ptr = context.graph;
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return context.app;
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}
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struct find_link_port_context
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{
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uuid_t uuid;
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uint64_t jack_id;
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ladish_port_handle port;
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ladish_graph_handle graph;
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};
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#define find_link_port_context_ptr ((struct find_link_port_context *)context)
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static bool find_link_port_vgraph_callback_by_uuid(void * context, ladish_graph_handle graph, ladish_app_supervisor_handle app_supervisor)
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{
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ladish_port_handle port;
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port = ladish_graph_find_port_by_uuid(graph, find_link_port_context_ptr->uuid, true, NULL);
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if (port != NULL)
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{
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find_link_port_context_ptr->port = port;
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find_link_port_context_ptr->graph = graph;
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return false;
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}
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return true; /* continue vgraph iteration */
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}
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static bool find_link_port_vgraph_callback_by_jack_id(void * context, ladish_graph_handle graph, ladish_app_supervisor_handle app_supervisor)
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{
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ladish_port_handle port;
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bool room;
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log_info("searching link port with jack id %"PRIu64" in graph %s", find_link_port_context_ptr->jack_id, ladish_graph_get_description(graph));
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room = graph != g_studio.studio_graph;
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port = ladish_graph_find_port_by_jack_id(graph, find_link_port_context_ptr->jack_id, room, !room);
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if (port != NULL)
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{
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find_link_port_context_ptr->port = port;
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find_link_port_context_ptr->graph = graph;
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return false;
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}
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return true; /* continue vgraph iteration */
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}
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#undef find_link_port_context_ptr
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static ladish_graph_handle find_link_port_vgraph_by_uuid(struct virtualizer * virtualizer_ptr, const char * port_name, ladish_port_handle * port_ptr)
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{
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struct find_link_port_context context;
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uuid_parse(port_name, context.uuid);
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context.graph = NULL;
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context.port = NULL;
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ladish_studio_iterate_virtual_graphs(&context, find_link_port_vgraph_callback_by_uuid);
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if (port_ptr != NULL && context.graph != NULL)
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{
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*port_ptr = context.port;
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}
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return context.graph;
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}
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static ladish_graph_handle find_link_port_vgraph_by_jack_id(struct virtualizer * virtualizer_ptr, uint64_t jack_id, ladish_port_handle * port_ptr)
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{
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struct find_link_port_context context;
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context.jack_id = jack_id;
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context.graph = NULL;
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context.port = NULL;
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ladish_studio_iterate_virtual_graphs(&context, find_link_port_vgraph_callback_by_jack_id);
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if (port_ptr != NULL && context.graph != NULL)
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{
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*port_ptr = context.port;
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}
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return context.graph;
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}
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static
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bool
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lookup_port(
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struct virtualizer * virtualizer_ptr,
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uint64_t port_id,
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ladish_port_handle * port_ptr,
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ladish_graph_handle * vgraph_ptr)
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{
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ladish_port_handle port;
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ladish_graph_handle vgraph;
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port = ladish_graph_find_port_by_jack_id(virtualizer_ptr->jack_graph, port_id, true, true);
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if (port == NULL)
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{
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log_error("Unknown JACK port with id %"PRIu64" (dis)connected", port_id);
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return false;
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}
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vgraph = ladish_port_get_vgraph(port);
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if (vgraph == NULL)
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{
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vgraph = find_link_port_vgraph_by_jack_id(virtualizer_ptr, port_id, NULL);
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if (vgraph == NULL)
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{
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log_error("Cannot find vgraph for (dis)connected jmcore port");
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return false;
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}
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log_info("link port found in graph %s", ladish_graph_get_description(vgraph));
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}
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*port_ptr = port;
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*vgraph_ptr = vgraph;
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return true;
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}
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#define virtualizer_ptr ((struct virtualizer *)context)
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static void clear(void * context)
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{
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log_info("clear");
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}
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static void client_appeared(void * context, uint64_t id, const char * jack_name)
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{
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ladish_client_handle client;
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const char * a2j_name;
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bool is_a2j;
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ladish_app_handle app;
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uuid_t app_uuid;
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const char * name;
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pid_t pid;
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ladish_graph_handle graph;
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bool jmcore;
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log_info("client_appeared(%"PRIu64", %s)", id, jack_name);
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a2j_name = a2j_proxy_get_jack_client_name_cached();
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is_a2j = a2j_name != NULL && strcmp(a2j_name, jack_name) == 0;
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name = jack_name;
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app = NULL;
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graph = NULL;
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jmcore = false;
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if (!graph_proxy_get_client_pid(virtualizer_ptr->jack_graph_proxy, id, &pid))
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{
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log_info("client %"PRIu64" pid is unknown", id);
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}
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else
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{
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log_info("client pid is %"PRId64, (int64_t)pid);
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if (pid != 0) /* skip internal clients that will match the pending clients in the graph, both have zero pid */
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{
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jmcore = pid == jmcore_proxy_get_pid_cached();
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if (jmcore)
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{
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log_info("jmcore client appeared");
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}
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else
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{
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app = ladish_virtualizer_find_app_by_pid(virtualizer_ptr, pid, &graph);
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if (app != NULL)
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{
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ladish_app_get_uuid(app, app_uuid);
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ASSERT(!uuid_is_null(app_uuid));
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name = ladish_app_get_name(app);
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log_info("app name is '%s'", name);
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}
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}
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}
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}
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if (!jmcore)
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{
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if (is_a2j)
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{
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client = ladish_graph_find_client_by_uuid(virtualizer_ptr->jack_graph, g_a2j_uuid);
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}
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else
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{
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client = ladish_graph_find_client_by_app(virtualizer_ptr->jack_graph, app_uuid);
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if (client == NULL)
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{
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log_info("Lookup by app uuid failed, attempting lookup by name '%s'", name);
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client = ladish_graph_find_client_by_name(virtualizer_ptr->jack_graph, name, true);
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}
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}
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if (client != NULL)
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{
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log_info("found existing client");
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if (ladish_client_get_jack_id(client) != 0)
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{
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log_error("Ignoring client with duplicate name '%s' ('%s')", name, jack_name);
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goto exit;
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}
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ladish_client_set_jack_id(client, id);
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ladish_graph_show_client(virtualizer_ptr->jack_graph, client);
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goto done;
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}
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}
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if (!ladish_client_create(is_a2j ? g_a2j_uuid : NULL, &client))
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{
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log_error("ladish_client_create() failed. Ignoring client %"PRIu64" (%s)", id, jack_name);
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goto exit;
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}
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ladish_client_set_jack_id(client, id);
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if (!ladish_graph_add_client(virtualizer_ptr->jack_graph, client, name, false))
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{
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log_error("ladish_graph_add_client() failed to add client %"PRIu64" (%s) to JACK graph", id, name);
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ladish_client_destroy(client);
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goto exit;
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}
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done:
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if (strcmp(jack_name, "system") == 0)
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{
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virtualizer_ptr->system_client_id = id;
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}
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if (app != NULL)
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{
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/* interlink client and app */
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ladish_app_add_pid(app, pid);
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ladish_client_set_pid(client, pid);
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ladish_client_set_app(client, app_uuid);
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ASSERT(graph);
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ladish_client_set_vgraph(client, graph);
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virtualizer_ptr->our_clients_count++;
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}
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else if (jmcore)
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{
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ladish_client_set_pid(client, pid);
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ASSERT(ladish_client_get_vgraph(client) == NULL);
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}
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else
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{
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/* unknown and internal clients appear in the studio graph */
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ladish_client_set_vgraph(client, g_studio.studio_graph);
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}
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exit:
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return;
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}
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static void client_disappeared(void * context, uint64_t id)
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{
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ladish_client_handle client;
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pid_t pid;
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uuid_t app_uuid;
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ladish_app_handle app;
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ladish_graph_handle vgraph;
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log_info("client_disappeared(%"PRIu64")", id);
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client = ladish_graph_find_client_by_jack_id(virtualizer_ptr->jack_graph, id);
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if (client == NULL)
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{
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log_error("Unknown JACK client with id %"PRIu64" disappeared", id);
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return;
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}
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log_info("client disappeared: '%s'", ladish_graph_get_client_name(virtualizer_ptr->jack_graph, client));
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vgraph = ladish_client_get_vgraph(client);
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pid = ladish_client_get_pid(client);
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if (ladish_client_get_app(client, app_uuid))
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{
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virtualizer_ptr->our_clients_count--;
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app = ladish_studio_find_app_by_uuid(app_uuid);
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if (app != NULL)
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{
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ladish_app_del_pid(app, pid);
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}
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else
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{
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log_error("app of disappearing client %"PRIu64" not found. pid is %"PRIu64, id, (uint64_t)pid);
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ASSERT_NO_PASS;
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}
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}
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if (id == virtualizer_ptr->system_client_id)
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{
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virtualizer_ptr->system_client_id = 0;
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}
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if (vgraph != NULL && ladish_graph_is_persist(vgraph)) /* if client is supposed to be persisted */
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{
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ladish_client_set_jack_id(client, 0);
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ladish_graph_hide_client(virtualizer_ptr->jack_graph, client);
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}
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else
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{
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ladish_graph_remove_client(virtualizer_ptr->jack_graph, client);
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ladish_client_destroy(client);
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/* no need to clear vclient interlink because it either does not exist (vgraph is NULL) or
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* it will be destroyed before it is accessed (persist flag is cleared on room deletion) */
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}
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}
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static
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void
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port_appeared(
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void * context,
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uint64_t client_id,
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uint64_t port_id,
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const char * real_jack_port_name,
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bool is_input,
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bool is_terminal,
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bool is_midi)
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{
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ladish_client_handle jack_client;
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ladish_client_handle vclient;
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ladish_port_handle port;
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uint32_t type;
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uint32_t flags;
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const char * jack_client_name;
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const char * vclient_name;
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bool is_a2j;
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uuid_t vclient_uuid;
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pid_t pid;
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ladish_app_handle app;
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bool has_app;
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uuid_t app_uuid;
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char * alsa_client_name;
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char * alsa_port_name;
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char * a2j_fake_jack_port_name = NULL;
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uint32_t alsa_client_id;
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const char * jack_port_name;
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const char * vport_name;
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ladish_graph_handle vgraph;
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log_info("port_appeared(%"PRIu64", %"PRIu64", %s (%s, %s))", client_id, port_id, real_jack_port_name, is_input ? "in" : "out", is_midi ? "midi" : "audio");
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type = is_midi ? JACKDBUS_PORT_TYPE_MIDI : JACKDBUS_PORT_TYPE_AUDIO;
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flags = is_input ? JACKDBUS_PORT_FLAG_INPUT : JACKDBUS_PORT_FLAG_OUTPUT;
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if (is_terminal)
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{
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flags |= JACKDBUS_PORT_FLAG_TERMINAL;
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}
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/********************/
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/* gather info about the appeared port */
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jack_client = ladish_graph_find_client_by_jack_id(virtualizer_ptr->jack_graph, client_id);
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if (jack_client == NULL)
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{
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log_error("Port of unknown JACK client with id %"PRIu64" appeared", client_id);
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goto exit;
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}
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has_app = ladish_client_get_app(jack_client, app_uuid);
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/* find the virtual graph that owns the app that owns the client that owns the appeared port */
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vgraph = ladish_client_get_vgraph(jack_client);
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if (vgraph == NULL)
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{
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vgraph = find_link_port_vgraph_by_uuid(virtualizer_ptr, real_jack_port_name, &port);
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if (vgraph == NULL)
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{
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log_error("Cannot find vgraph for appeared jmcore port '%s'", real_jack_port_name);
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goto exit;
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}
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/* jmcore port appeared */
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|
|
log_info("jmcore port appeared in vgraph %s", ladish_graph_get_description(vgraph));
|
|
|
|
if (!ladish_graph_add_port(virtualizer_ptr->jack_graph, jack_client, port, real_jack_port_name, type, flags, false))
|
|
{
|
|
log_error("ladish_graph_add_port() failed.");
|
|
goto exit;
|
|
}
|
|
|
|
if (vgraph == g_studio.studio_graph)
|
|
{
|
|
ladish_port_set_jack_id(port, port_id);
|
|
}
|
|
else
|
|
{
|
|
ladish_port_set_jack_id_room(port, port_id);
|
|
}
|
|
|
|
vclient = ladish_graph_get_port_client(vgraph, port);
|
|
if (vclient == NULL)
|
|
{
|
|
log_error("link port client not found in vgraph %s", ladish_graph_get_description(vgraph));
|
|
ASSERT_NO_PASS;
|
|
goto exit;
|
|
}
|
|
|
|
ladish_graph_show_port(vgraph, port);
|
|
goto exit;
|
|
}
|
|
else
|
|
{
|
|
//log_info("Port of virtual graph '%s'", ladish_graph_get_description(vgraph));
|
|
}
|
|
|
|
jack_client_name = ladish_graph_get_client_name(virtualizer_ptr->jack_graph, jack_client);
|
|
|
|
is_a2j = ladish_virtualizer_is_a2j_client(jack_client);
|
|
if (is_a2j)
|
|
{
|
|
log_info("a2j port appeared");
|
|
if (!a2j_proxy_map_jack_port(real_jack_port_name, &alsa_client_name, &alsa_port_name, &alsa_client_id))
|
|
{
|
|
is_a2j = false;
|
|
alsa_client_name = catdup("FAILED ", jack_client_name);
|
|
if (alsa_client_name == NULL)
|
|
{
|
|
log_error("catdup failed to duplicate a2j jack client name after map failure");
|
|
goto exit;
|
|
}
|
|
|
|
alsa_port_name = strdup(real_jack_port_name);
|
|
if (alsa_port_name == NULL)
|
|
{
|
|
log_error("catdup failed to duplicate a2j jack port name after map failure");
|
|
free(alsa_client_name);
|
|
goto exit;
|
|
}
|
|
|
|
vclient_name = alsa_client_name;
|
|
}
|
|
else
|
|
{
|
|
log_info("a2j: '%s':'%s' (%"PRIu32")", alsa_client_name, alsa_port_name, alsa_client_id);
|
|
vclient_name = alsa_client_name;
|
|
if (alsapid_get_pid(alsa_client_id, &pid))
|
|
{
|
|
log_info("ALSA client pid is %lld", (long long)pid);
|
|
|
|
app = ladish_virtualizer_find_app_by_pid(virtualizer_ptr, pid, &vgraph);
|
|
if (app != NULL)
|
|
{
|
|
ladish_app_get_uuid(app, app_uuid);
|
|
ASSERT(!uuid_is_null(app_uuid));
|
|
vclient_name = ladish_app_get_name(app);
|
|
has_app = true;
|
|
log_info("ALSA app name is '%s'", vclient_name);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
log_error("UNKNOWN ALSA client pid");
|
|
}
|
|
}
|
|
|
|
a2j_fake_jack_port_name = catdup4(vclient_name, is_input ? " (playback)" : " (capture)", ": ", alsa_port_name);
|
|
if (a2j_fake_jack_port_name == NULL)
|
|
{
|
|
log_error("catdup4() failed");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
jack_port_name = a2j_fake_jack_port_name;
|
|
}
|
|
else
|
|
{
|
|
vclient_name = jack_client_name;
|
|
jack_port_name = real_jack_port_name;
|
|
}
|
|
|
|
/********************/
|
|
|
|
/* search (by name) the appeared port in jack graph
|
|
* if found - show it in both graphs.
|
|
* if not found - create new port and add it to the jack graph.
|
|
* Then process to adding it to virtual graph */
|
|
|
|
port = ladish_graph_find_port_by_name(virtualizer_ptr->jack_graph, jack_client, jack_port_name, vgraph);
|
|
if (port != NULL)
|
|
{
|
|
log_info("found existing port %p", port);
|
|
|
|
if (ladish_port_get_jack_id(port) != 0)
|
|
{
|
|
log_error("Ignoring duplicate JACK port '%s':'%s'", jack_client_name, jack_port_name);
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
ladish_port_set_jack_id(port, port_id);
|
|
ladish_graph_adjust_port(virtualizer_ptr->jack_graph, port, type, flags);
|
|
ladish_graph_show_port(virtualizer_ptr->jack_graph, port);
|
|
|
|
vclient = ladish_graph_get_port_client(vgraph, port);
|
|
if (vclient == NULL)
|
|
{
|
|
log_error("JACK port not found in virtual graph '%s'", ladish_graph_get_description(vgraph));
|
|
ladish_graph_dump(g_studio.jack_graph);
|
|
ladish_graph_dump(vgraph);
|
|
ASSERT_NO_PASS;
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
/* for normal ports, one can find the app_uuid through the jack client,
|
|
but for a2j ports the jack client is shared between graphs */
|
|
if (has_app)
|
|
{
|
|
ladish_port_set_app(port, app_uuid);
|
|
}
|
|
|
|
ladish_client_set_jack_id(vclient, client_id);
|
|
ladish_graph_adjust_port(vgraph, port, type, flags);
|
|
ladish_graph_show_port(vgraph, port);
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
if (!ladish_port_create(NULL, false, &port))
|
|
{
|
|
log_error("ladish_port_create() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
/* set port jack id so invisible connections to/from it can be restored */
|
|
ladish_port_set_jack_id(port, port_id);
|
|
|
|
/* for normal ports, one can find the vgraph and app_uuid through the jack client,
|
|
but for a2j ports the jack client is shared between graphs */
|
|
ladish_port_set_vgraph(port, vgraph);
|
|
if (has_app)
|
|
{
|
|
ladish_port_set_app(port, app_uuid);
|
|
}
|
|
|
|
if (!ladish_graph_add_port(virtualizer_ptr->jack_graph, jack_client, port, jack_port_name, type, flags, false))
|
|
{
|
|
log_error("ladish_graph_add_port() failed.");
|
|
ladish_port_destroy(port);
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
/********************/
|
|
/* find/create the virtual client where port will be added */
|
|
|
|
if (is_a2j)
|
|
{
|
|
vclient = ladish_graph_find_client_by_name(vgraph, vclient_name, false);
|
|
if (vclient == NULL)
|
|
{
|
|
if (!ladish_client_create(NULL, &vclient))
|
|
{
|
|
log_error("ladish_client_create() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
if (has_app)
|
|
{
|
|
ladish_client_set_app(vclient, app_uuid);
|
|
}
|
|
|
|
if (!ladish_graph_add_client(vgraph, vclient, vclient_name, false))
|
|
{
|
|
log_error("ladish_graph_add_client() failed.");
|
|
ladish_client_destroy(vclient);
|
|
goto free_alsa_names;
|
|
}
|
|
}
|
|
}
|
|
else if (client_id == virtualizer_ptr->system_client_id)
|
|
{
|
|
log_info("system client port appeared");
|
|
|
|
if (!is_input)
|
|
{ /* output capture port */
|
|
|
|
vclient = ladish_graph_find_client_by_uuid(vgraph, g_system_capture_uuid);
|
|
if (vclient == NULL)
|
|
{
|
|
if (!ladish_client_create(g_system_capture_uuid, &vclient))
|
|
{
|
|
log_error("ladish_client_create() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
if (!ladish_graph_add_client(vgraph, vclient, "Hardware Capture", false))
|
|
{
|
|
log_error("ladish_graph_add_client() failed.");
|
|
ladish_client_destroy(vclient);
|
|
goto free_alsa_names;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ /* input playback port */
|
|
vclient = ladish_graph_find_client_by_uuid(vgraph, g_system_playback_uuid);
|
|
if (vclient == NULL)
|
|
{
|
|
if (!ladish_client_create(g_system_playback_uuid, &vclient))
|
|
{
|
|
log_error("ladish_client_create() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
if (!ladish_graph_add_client(vgraph, vclient, "Hardware Playback", false))
|
|
{
|
|
ladish_client_destroy(vclient);
|
|
goto free_alsa_names;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ /* non-system client */
|
|
log_info("non-system client port appeared");
|
|
|
|
if (ladish_client_get_interlink(jack_client, vclient_uuid))
|
|
{
|
|
vclient = ladish_graph_find_client_by_uuid(vgraph, vclient_uuid);
|
|
ASSERT(vclient != NULL);
|
|
}
|
|
else
|
|
{
|
|
vclient = ladish_graph_find_client_by_app(vgraph, app_uuid);
|
|
if (vclient == NULL)
|
|
{
|
|
log_info("creating new vclient");
|
|
if (!ladish_client_create(NULL, &vclient))
|
|
{
|
|
log_error("ladish_client_create() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
ladish_client_interlink(vclient, jack_client);
|
|
|
|
if (has_app)
|
|
{
|
|
ladish_client_set_app(vclient, app_uuid);
|
|
}
|
|
|
|
if (!ladish_graph_add_client(vgraph, vclient, vclient_name, false))
|
|
{
|
|
log_error("ladish_graph_add_client() failed to add client '%s' to virtual graph", jack_client_name);
|
|
ladish_client_destroy(vclient);
|
|
goto free_alsa_names;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/********************/
|
|
/* add newly appeared port to the virtual graph */
|
|
|
|
if (is_a2j)
|
|
{
|
|
vport_name = alsa_port_name;
|
|
}
|
|
else
|
|
{
|
|
vport_name = jack_port_name;
|
|
}
|
|
|
|
if (!ladish_graph_add_port(vgraph, vclient, port, vport_name, type, flags, false))
|
|
{
|
|
log_error("ladish_graph_add_port() failed.");
|
|
goto free_alsa_names;
|
|
}
|
|
|
|
free_alsa_names:
|
|
if (a2j_fake_jack_port_name != NULL)
|
|
{
|
|
free(a2j_fake_jack_port_name);
|
|
}
|
|
|
|
if (is_a2j)
|
|
{
|
|
free(alsa_client_name);
|
|
free(alsa_port_name);
|
|
}
|
|
|
|
exit:
|
|
return;
|
|
}
|
|
|
|
static void port_disappeared(void * context, uint64_t client_id, uint64_t port_id)
|
|
{
|
|
ladish_client_handle jclient;
|
|
ladish_client_handle vclient;
|
|
ladish_port_handle port;
|
|
ladish_graph_handle vgraph;
|
|
bool jmcore;
|
|
|
|
log_info("port_disappeared(%"PRIu64", %"PRIu64")", client_id, port_id);
|
|
|
|
jclient = ladish_graph_find_client_by_jack_id(virtualizer_ptr->jack_graph, client_id);
|
|
if (jclient == NULL)
|
|
{
|
|
log_error("Port of unknown JACK client with id %"PRIu64" disappeared", client_id);
|
|
return;
|
|
}
|
|
|
|
port = ladish_graph_find_port_by_jack_id(virtualizer_ptr->jack_graph, port_id, true, true);
|
|
if (port == NULL)
|
|
{
|
|
log_error("Unknown JACK port with id %"PRIu64" disappeared", port_id);
|
|
return;
|
|
}
|
|
|
|
/* find the virtual graph that owns the app that owns the client that owns the disappeared port */
|
|
jmcore = false;
|
|
vgraph = ladish_port_get_vgraph(port);
|
|
if (vgraph == NULL)
|
|
{
|
|
vgraph = find_link_port_vgraph_by_uuid(virtualizer_ptr, ladish_graph_get_port_name(virtualizer_ptr->jack_graph, port), NULL);
|
|
if (vgraph == NULL)
|
|
{
|
|
log_error("Cannot find vgraph for disappeared jmcore port");
|
|
ASSERT_NO_PASS;
|
|
return;
|
|
}
|
|
|
|
jmcore = true;
|
|
ladish_graph_remove_port_by_jack_id(virtualizer_ptr->jack_graph, port_id, true, true);
|
|
}
|
|
|
|
if (ladish_graph_is_persist(vgraph)) /* if port is supposed to be persisted */
|
|
{
|
|
if (!jmcore)
|
|
{
|
|
ladish_port_set_jack_id(port, 0);
|
|
ladish_graph_hide_port(virtualizer_ptr->jack_graph, port);
|
|
}
|
|
if (vgraph != NULL)
|
|
{
|
|
ladish_graph_hide_port(vgraph, port);
|
|
vclient = ladish_graph_get_port_client(vgraph, port);
|
|
if (ladish_graph_client_looks_empty(vgraph, vclient))
|
|
{
|
|
ladish_graph_hide_client(vgraph, vclient);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!jmcore)
|
|
{
|
|
ladish_graph_remove_port(virtualizer_ptr->jack_graph, port);
|
|
}
|
|
|
|
if (vgraph != NULL)
|
|
{
|
|
vclient = ladish_graph_remove_port(vgraph, port);
|
|
if (vclient != NULL)
|
|
{
|
|
if (ladish_graph_client_is_empty(vgraph, vclient))
|
|
{
|
|
ladish_graph_remove_client(vgraph, vclient);
|
|
ladish_client_clear_interlink(jclient);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void port_renamed(void * context, uint64_t client_id, uint64_t port_id, const char * old_port_name, const char * new_port_name)
|
|
{
|
|
ladish_port_handle port;
|
|
ladish_graph_handle vgraph;
|
|
|
|
log_info("port_renamed(%"PRIu64", '%s', '%s')", port_id, old_port_name, new_port_name);
|
|
|
|
port = ladish_graph_find_port_by_jack_id(virtualizer_ptr->jack_graph, port_id, true, true);
|
|
if (port == NULL)
|
|
{
|
|
log_error("Unknown JACK port with id %"PRIu64" was renamed", port_id);
|
|
return;
|
|
}
|
|
|
|
/* find the virtual graph that owns the app that owns the client that owns the renamed port */
|
|
vgraph = ladish_port_get_vgraph(port);
|
|
|
|
if (!ladish_graph_rename_port(virtualizer_ptr->jack_graph, port, new_port_name))
|
|
{
|
|
log_error("renaming of port in jack graph failed");
|
|
}
|
|
|
|
if (!ladish_graph_rename_port(vgraph, port, new_port_name))
|
|
{
|
|
log_error("renaming of port in virtual graph failed");
|
|
}
|
|
}
|
|
|
|
static bool ports_connect_request(void * context, ladish_graph_handle graph_handle, ladish_port_handle port1, ladish_port_handle port2)
|
|
{
|
|
uint64_t port1_id;
|
|
uint64_t port2_id;
|
|
|
|
ASSERT(ladish_graph_get_opath(graph_handle)); /* studio or room virtual graph */
|
|
log_info("virtualizer: ports connect request");
|
|
|
|
if (graph_handle == g_studio.studio_graph)
|
|
{
|
|
port1_id = ladish_port_get_jack_id(port1);
|
|
port2_id = ladish_port_get_jack_id(port2);
|
|
}
|
|
else
|
|
{
|
|
port1_id = ladish_port_get_jack_id_room(port1);
|
|
port2_id = ladish_port_get_jack_id_room(port2);
|
|
}
|
|
|
|
return graph_proxy_connect_ports(virtualizer_ptr->jack_graph_proxy, port1_id, port2_id);
|
|
}
|
|
|
|
static bool ports_disconnect_request(void * context, ladish_graph_handle graph_handle, uint64_t connection_id)
|
|
{
|
|
ladish_port_handle port1;
|
|
ladish_port_handle port2;
|
|
uint64_t port1_id;
|
|
uint64_t port2_id;
|
|
|
|
ASSERT(ladish_graph_get_opath(graph_handle)); /* studio or room virtual graph */
|
|
log_info("virtualizer: ports disconnect request");
|
|
|
|
if (!ladish_graph_get_connection_ports(graph_handle, connection_id, &port1, &port2))
|
|
{
|
|
log_error("cannot find ports that are disconnect-requested");
|
|
ASSERT_NO_PASS;
|
|
return false;
|
|
}
|
|
|
|
if (graph_handle == g_studio.studio_graph)
|
|
{
|
|
port1_id = ladish_port_get_jack_id(port1);
|
|
port2_id = ladish_port_get_jack_id(port2);
|
|
}
|
|
else
|
|
{
|
|
port1_id = ladish_port_get_jack_id_room(port1);
|
|
port2_id = ladish_port_get_jack_id_room(port2);
|
|
}
|
|
|
|
return graph_proxy_disconnect_ports(virtualizer_ptr->jack_graph_proxy, port1_id, port2_id);
|
|
}
|
|
|
|
static void ports_connected(void * context, uint64_t client1_id, uint64_t port1_id, uint64_t client2_id, uint64_t port2_id)
|
|
{
|
|
ladish_port_handle port1;
|
|
ladish_port_handle port2;
|
|
uint64_t connection_id;
|
|
ladish_graph_handle vgraph1;
|
|
ladish_graph_handle vgraph2;
|
|
|
|
log_info("ports_connected %"PRIu64":%"PRIu64" %"PRIu64":%"PRIu64"", client1_id, port1_id, client2_id, port2_id);
|
|
|
|
if (!lookup_port(virtualizer_ptr, port1_id, &port1, &vgraph1))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!lookup_port(virtualizer_ptr, port2_id, &port2, &vgraph2))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (vgraph1 != vgraph2)
|
|
{
|
|
/* TODO */
|
|
log_error("ignoring connection with endpoints in different vgraphs");
|
|
return;
|
|
}
|
|
|
|
ladish_graph_add_connection(virtualizer_ptr->jack_graph, port1, port2, false);
|
|
|
|
if (ladish_graph_find_connection(vgraph1, port1, port2, &connection_id))
|
|
{
|
|
log_info("showing hidden virtual connection");
|
|
ladish_graph_show_connection(vgraph1, connection_id);
|
|
}
|
|
else
|
|
{
|
|
log_info("creating new virtual connection");
|
|
ladish_graph_add_connection(vgraph1, port1, port2, false);
|
|
}
|
|
}
|
|
|
|
static void ports_disconnected(void * context, uint64_t client1_id, uint64_t port1_id, uint64_t client2_id, uint64_t port2_id)
|
|
{
|
|
ladish_port_handle port1;
|
|
ladish_port_handle port2;
|
|
uint64_t connection_id;
|
|
ladish_graph_handle vgraph1;
|
|
ladish_graph_handle vgraph2;
|
|
|
|
log_info("ports_disconnected %"PRIu64":%"PRIu64" %"PRIu64":%"PRIu64"", client1_id, port1_id, client2_id, port2_id);
|
|
|
|
if (!lookup_port(virtualizer_ptr, port1_id, &port1, &vgraph1))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!lookup_port(virtualizer_ptr, port2_id, &port2, &vgraph2))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (vgraph1 != vgraph2)
|
|
{
|
|
/* TODO */
|
|
log_error("ignoring connection with endpoints in different vgraphs");
|
|
return;
|
|
}
|
|
|
|
if (ladish_graph_find_connection(virtualizer_ptr->jack_graph, port1, port2, &connection_id))
|
|
{
|
|
ladish_graph_remove_connection(virtualizer_ptr->jack_graph, connection_id, true);
|
|
}
|
|
else
|
|
{
|
|
log_error("ports %"PRIu64":%"PRIu64" and %"PRIu64":%"PRIu64" are not connected in the JACK graph", client1_id, port1_id, client2_id, port2_id);
|
|
}
|
|
|
|
if (ladish_graph_find_connection(vgraph1, port1, port2, &connection_id))
|
|
{
|
|
ladish_graph_remove_connection(vgraph1, connection_id, false);
|
|
}
|
|
else
|
|
{
|
|
log_error("ports %"PRIu64":%"PRIu64" and %"PRIu64":%"PRIu64" are not connected in the virtual graph", client1_id, port1_id, client2_id, port2_id);
|
|
}
|
|
}
|
|
|
|
#undef virtualizer_ptr
|
|
|
|
bool
|
|
ladish_virtualizer_create(
|
|
graph_proxy_handle jack_graph_proxy,
|
|
ladish_graph_handle jack_graph,
|
|
ladish_virtualizer_handle * handle_ptr)
|
|
{
|
|
struct virtualizer * virtualizer_ptr;
|
|
|
|
virtualizer_ptr = malloc(sizeof(struct virtualizer));
|
|
if (virtualizer_ptr == NULL)
|
|
{
|
|
log_error("malloc() failed for struct virtualizer");
|
|
return false;
|
|
}
|
|
|
|
virtualizer_ptr->jack_graph_proxy = jack_graph_proxy;
|
|
virtualizer_ptr->jack_graph = jack_graph;
|
|
virtualizer_ptr->system_client_id = 0;
|
|
virtualizer_ptr->our_clients_count = 0;
|
|
|
|
if (!graph_proxy_attach(
|
|
jack_graph_proxy,
|
|
virtualizer_ptr,
|
|
clear,
|
|
client_appeared,
|
|
NULL, /* jackdbus does not have client rename functionality (yet) */
|
|
client_disappeared,
|
|
port_appeared,
|
|
port_renamed,
|
|
port_disappeared,
|
|
ports_connected,
|
|
ports_disconnected))
|
|
{
|
|
free(virtualizer_ptr);
|
|
return false;
|
|
}
|
|
|
|
*handle_ptr = (ladish_virtualizer_handle)virtualizer_ptr;
|
|
return true;
|
|
}
|
|
|
|
#define virtualizer_ptr ((struct virtualizer *)handle)
|
|
|
|
void
|
|
ladish_virtualizer_set_graph_connection_handlers(
|
|
ladish_virtualizer_handle handle,
|
|
ladish_graph_handle graph)
|
|
{
|
|
ladish_graph_set_connection_handlers(graph, virtualizer_ptr, ports_connect_request, ports_disconnect_request);
|
|
}
|
|
|
|
unsigned int
|
|
ladish_virtualizer_get_our_clients_count(
|
|
ladish_virtualizer_handle handle)
|
|
{
|
|
return virtualizer_ptr->our_clients_count;
|
|
}
|
|
|
|
static bool app_has_a2j_ports(ladish_graph_handle jack_graph, const uuid_t app_uuid)
|
|
{
|
|
ladish_client_handle a2jclient;
|
|
|
|
a2jclient = ladish_graph_find_client_by_uuid(jack_graph, g_a2j_uuid);
|
|
if (a2jclient == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return ladish_graph_client_has_visible_app_port(jack_graph, a2jclient, app_uuid);
|
|
}
|
|
|
|
bool
|
|
ladish_virtualizer_is_hidden_app(
|
|
ladish_graph_handle jack_graph,
|
|
const uuid_t app_uuid,
|
|
const char * app_name)
|
|
{
|
|
ladish_client_handle jclient;
|
|
ladish_graph_handle vgraph;
|
|
uuid_t vclient_uuid;
|
|
ladish_client_handle vclient;
|
|
|
|
//ladish_graph_dump(g_studio.jack_graph);
|
|
|
|
if (app_has_a2j_ports(jack_graph, app_uuid))
|
|
{
|
|
log_info("app '%s' still has a2j ports", app_name);
|
|
return false;
|
|
}
|
|
|
|
jclient = ladish_graph_find_client_by_app(jack_graph, app_uuid);
|
|
if (jclient == NULL)
|
|
{
|
|
log_info("App without JACK client is treated as hidden one");
|
|
return true;
|
|
}
|
|
|
|
ASSERT(!ladish_virtualizer_is_a2j_client(jclient)); /* a2j client has no app associated */
|
|
|
|
vgraph = ladish_client_get_vgraph(jclient);
|
|
if (vgraph == NULL)
|
|
{
|
|
ASSERT_NO_PASS;
|
|
return true;
|
|
}
|
|
|
|
//ladish_graph_dump(vgraph);
|
|
|
|
if (!ladish_graph_client_looks_empty(jack_graph, jclient) ||
|
|
!ladish_graph_client_is_hidden(jack_graph, jclient))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_client_get_interlink(jclient, vclient_uuid))
|
|
{
|
|
if (ladish_graph_client_is_empty(jack_graph, jclient))
|
|
{
|
|
log_info("jack client of app '%s' has no interlinked vgraph client and no ports", app_name);
|
|
}
|
|
else
|
|
{
|
|
log_error("jack client of app '%s' has no interlinked vgraph client", app_name);
|
|
ASSERT_NO_PASS;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
vclient = ladish_graph_find_client_by_uuid(vgraph, vclient_uuid);
|
|
if (vclient == NULL)
|
|
{
|
|
ASSERT_NO_PASS;
|
|
return true;
|
|
}
|
|
|
|
if (!ladish_graph_client_looks_empty(vgraph, vclient))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ASSERT(ladish_graph_client_is_hidden(vgraph, vclient)); /* vclients are automatically hidden when they start looking empty (on port disappear) */
|
|
return true;
|
|
}
|
|
|
|
struct app_remove_context
|
|
{
|
|
uuid_t app_uuid;
|
|
const char * app_name;
|
|
};
|
|
|
|
#define app_info_ptr ((struct app_remove_context *)context)
|
|
|
|
static
|
|
bool
|
|
remove_app_port(
|
|
void * context,
|
|
ladish_graph_handle graph_handle,
|
|
void * client_iteration_context_ptr,
|
|
ladish_client_handle client_handle,
|
|
const char * client_name,
|
|
ladish_port_handle port_handle,
|
|
const char * port_name,
|
|
uint32_t port_type,
|
|
uint32_t port_flags)
|
|
{
|
|
ladish_graph_handle vgraph;
|
|
ladish_client_handle vclient;
|
|
|
|
if (!ladish_port_belongs_to_app(port_handle, app_info_ptr->app_uuid))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
//log_info("removing port '%s':'%s' (JACK) of app '%s'", client_name, port_name, app_info_ptr->app_name);
|
|
|
|
vgraph = ladish_port_get_vgraph(port_handle);
|
|
if (vgraph == NULL)
|
|
{
|
|
log_error("port '%s':'%s' of app '5s' has no vgraph", client_name, port_name, app_info_ptr->app_name);
|
|
ASSERT_NO_PASS;
|
|
return true;
|
|
}
|
|
|
|
vclient = ladish_graph_get_port_client(vgraph, port_handle);
|
|
if (vgraph == NULL)
|
|
{
|
|
log_error("app port '%s':'%s' not found in vgraph '%s'", client_name, port_name, ladish_graph_get_description(vgraph));
|
|
ASSERT_NO_PASS;
|
|
return true;
|
|
}
|
|
|
|
log_info(
|
|
"removing %s %s port %p of app '%s' ('%s':'%s' in %s)",
|
|
port_type == JACKDBUS_PORT_TYPE_AUDIO ? "audio" : "midi",
|
|
JACKDBUS_PORT_IS_INPUT(port_flags) ? "input" : "output",
|
|
port_handle,
|
|
app_info_ptr->app_name,
|
|
ladish_graph_get_client_name(vgraph, vclient),
|
|
ladish_graph_get_port_name(vgraph, port_handle),
|
|
ladish_graph_get_description(vgraph));
|
|
|
|
ladish_graph_remove_port(graph_handle, port_handle);
|
|
ladish_graph_remove_port(vgraph, port_handle);
|
|
|
|
return true;
|
|
}
|
|
|
|
#undef app_info_ptr
|
|
|
|
void
|
|
ladish_virtualizer_remove_app(
|
|
ladish_graph_handle jack_graph,
|
|
const uuid_t app_uuid,
|
|
const char * app_name)
|
|
{
|
|
ladish_client_handle jclient;
|
|
ladish_graph_handle vgraph;
|
|
uuid_t vclient_uuid;
|
|
ladish_client_handle vclient;
|
|
bool is_empty;
|
|
struct app_remove_context ctx;
|
|
|
|
//ladish_graph_dump(g_studio.jack_graph);
|
|
|
|
uuid_copy(ctx.app_uuid, app_uuid);
|
|
ctx.app_name = app_name;
|
|
|
|
ladish_graph_iterate_nodes(jack_graph, false, &ctx, NULL, remove_app_port, NULL);
|
|
|
|
jclient = ladish_graph_find_client_by_app(jack_graph, app_uuid);
|
|
if (jclient == NULL)
|
|
{
|
|
log_info("removing app without JACK client");
|
|
return;
|
|
}
|
|
|
|
ASSERT(!ladish_virtualizer_is_a2j_client(jclient)); /* a2j client has no app associated */
|
|
|
|
vgraph = ladish_client_get_vgraph(jclient);
|
|
if (vgraph == NULL)
|
|
{
|
|
ASSERT_NO_PASS;
|
|
return;
|
|
}
|
|
|
|
//ladish_graph_dump(vgraph);
|
|
|
|
/* check whether the client is empty because this cannot
|
|
be checked later because the client was removed
|
|
(see where is_empty is used) */
|
|
is_empty = ladish_graph_client_is_empty(jack_graph, jclient);
|
|
|
|
ladish_graph_remove_client(jack_graph, jclient);
|
|
|
|
if (!ladish_client_get_interlink(jclient, vclient_uuid))
|
|
{
|
|
if (is_empty)
|
|
{
|
|
/* jack client without ports and thus without vgraph client */
|
|
return;
|
|
}
|
|
|
|
log_error("jack client of app '%s' has no interlinked vgraph client", app_name);
|
|
ladish_graph_dump(g_studio.jack_graph);
|
|
ladish_graph_dump(vgraph);
|
|
ASSERT_NO_PASS;
|
|
return;
|
|
}
|
|
|
|
vclient = ladish_graph_find_client_by_uuid(vgraph, vclient_uuid);
|
|
if (vclient == NULL)
|
|
{
|
|
ASSERT_NO_PASS;
|
|
return;
|
|
}
|
|
|
|
ladish_graph_remove_client(vgraph, vclient);
|
|
ladish_graph_dump(g_studio.jack_graph);
|
|
ladish_graph_dump(vgraph);
|
|
}
|
|
|
|
void
|
|
ladish_virtualizer_destroy(
|
|
ladish_virtualizer_handle handle)
|
|
{
|
|
log_info("ladish_virtualizer_destroy() called");
|
|
|
|
graph_proxy_detach((graph_proxy_handle)handle, virtualizer_ptr);
|
|
free(virtualizer_ptr);
|
|
}
|
|
|
|
#undef virtualizer_ptr
|
|
|
|
#define vgraph ((ladish_graph_handle)vgraph_context)
|
|
void
|
|
ladish_virtualizer_rename_app(
|
|
void * vgraph_context,
|
|
const uuid_t uuid,
|
|
const char * old_name,
|
|
const char * new_app_name)
|
|
{
|
|
ladish_client_handle client;
|
|
|
|
client = ladish_graph_find_client_by_app(vgraph, uuid);
|
|
if (client != NULL)
|
|
{
|
|
ladish_graph_rename_client(vgraph, client, new_app_name);
|
|
}
|
|
|
|
client = ladish_graph_find_client_by_app(g_studio.jack_graph, uuid);
|
|
if (client != NULL)
|
|
{
|
|
ladish_graph_rename_client(g_studio.jack_graph, client, new_app_name);
|
|
}
|
|
}
|
|
#undef vgraph
|
|
|
|
bool
|
|
ladish_virtualizer_is_system_client(
|
|
uuid_t uuid)
|
|
{
|
|
if (uuid_compare(uuid, g_system_capture_uuid) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (uuid_compare(uuid, g_system_playback_uuid) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ladish_virtualizer_is_a2j_client(ladish_client_handle jclient)
|
|
{
|
|
uuid_t jclient_uuid;
|
|
|
|
ladish_client_get_uuid(jclient, jclient_uuid);
|
|
return uuid_compare(jclient_uuid, g_a2j_uuid) == 0;
|
|
}
|