1163 lines
24 KiB
C
1163 lines
24 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) 2010, 2011 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains implementation save releated helper functions
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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 <unistd.h>
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#include "save.h"
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#include "escape.h"
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#include "studio.h"
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struct ladish_write_vgraph_context
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{
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int fd;
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int indent;
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ladish_app_supervisor_handle app_supervisor;
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bool client_visible;
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};
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static bool is_hidden_port_interesting(ladish_app_supervisor_handle app_supervisor, ladish_client_handle client, ladish_port_handle port)
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{
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uuid_t app_uuid;
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ladish_app_handle app;
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/* hidden ports of external apps should not be saved */
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/* hidden ports of stopped managed apps should be saved */
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/* hidden ports of started managed apps should not be saved */
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if (!ladish_port_get_app(port, app_uuid))
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{
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/* port of external app, don't save */
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return false;
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}
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app = ladish_app_supervisor_find_app_by_uuid(app_supervisor, app_uuid);
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if (app == NULL)
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{
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ASSERT_NO_PASS; /* this should not happen because app ports are removed before app is removed */
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return false;
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}
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return !ladish_app_is_running(app);
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}
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bool ladish_write_string(int fd, const char * string)
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{
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size_t len;
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ssize_t ret;
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len = strlen(string);
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ret = write(fd, string, len);
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if (ret == -1)
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{
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log_error("write(%d, \"%s\", %zu) failed to write file: %d (%s)", fd, string, len, errno, strerror(errno));
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return false;
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}
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if ((size_t)ret != len)
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{
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log_error("write() wrote wrong byte count to file (%zd != %zu).", ret, len);
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return false;
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}
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return true;
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}
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bool ladish_write_indented_string(int fd, int indent, const char * string)
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{
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ASSERT(indent >= 0);
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while (indent--)
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{
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if (!ladish_write_string(fd, LADISH_XML_BASE_INDENT))
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{
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return false;
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}
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}
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if (!ladish_write_string(fd, string))
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{
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return false;
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}
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return true;
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}
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bool ladish_write_string_escape_ex(int fd, const char * string, unsigned int flags)
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{
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bool ret;
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char * escaped_buffer;
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escaped_buffer = malloc(max_escaped_length(strlen(string)));
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if (escaped_buffer == NULL)
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{
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log_error("malloc() failed to allocate buffer for escaped string");
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return false;
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}
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escape_simple(string, escaped_buffer, flags);
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ret = ladish_write_string(fd, escaped_buffer);
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free(escaped_buffer);
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return ret;
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}
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bool ladish_write_string_escape(int fd, const char * string)
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{
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return ladish_write_string_escape_ex(fd, string, LADISH_ESCAPE_FLAG_ALL);
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}
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static bool ladish_port_dict_ignored_keys_check(void * context, const char * key, const char * value)
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{
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return strcmp(key, URI_A2J_PORT) == 0;
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}
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static bool ladish_port_dict_is_empty(ladish_dict_handle dict)
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{
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return ladish_dict_iterate(dict, NULL, ladish_port_dict_ignored_keys_check);
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}
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#define fd (((struct ladish_write_context *)context)->fd)
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#define indent (((struct ladish_write_context *)context)->indent)
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static
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bool
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write_dict_entry(
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void * context,
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const char * key,
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const char * value)
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{
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if (!ladish_write_indented_string(fd, indent, "<key name=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, key))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\">"))
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{
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return false;
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}
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if (!ladish_write_string(fd, value))
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{
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return false;
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}
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if (!ladish_write_string(fd, "</key>\n"))
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{
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return false;
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}
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return true;
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}
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static
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bool
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ladish_write_room_port(
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void * context,
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ladish_port_handle port,
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const char * name,
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uint32_t type,
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uint32_t flags)
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{
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uuid_t uuid;
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char str[37];
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bool midi;
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const char * type_str;
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bool playback;
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const char * direction_str;
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ladish_dict_handle dict;
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ladish_port_get_uuid(port, uuid);
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uuid_unparse(uuid, str);
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playback = (flags & JACKDBUS_PORT_FLAG_INPUT) != 0;
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ASSERT(playback || (flags & JACKDBUS_PORT_FLAG_OUTPUT) != 0); /* playback or capture */
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ASSERT(!(playback && (flags & JACKDBUS_PORT_FLAG_OUTPUT) != 0)); /* but not both */
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direction_str = playback ? "playback" : "capture";
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midi = type == JACKDBUS_PORT_TYPE_MIDI;
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ASSERT(midi || type == JACKDBUS_PORT_TYPE_AUDIO); /* midi or audio */
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ASSERT(!(midi && type == JACKDBUS_PORT_TYPE_AUDIO)); /* but not both */
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type_str = midi ? "midi" : "audio";
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log_info("saving room %s %s port '%s' (%s)", direction_str, type_str, name, str);
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if (!ladish_write_indented_string(fd, indent, "<port name=\""))
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{
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return false;
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}
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if (!ladish_write_string_escape_ex(fd, name, LADISH_ESCAPE_FLAG_XML_ATTR))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" uuid=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, str))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" type=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, type_str))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" direction=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, direction_str))
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{
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return false;
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}
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dict = ladish_port_get_dict(port);
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if (ladish_port_dict_is_empty(dict))
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{
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if (!ladish_write_string(fd, "\" />\n"))
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{
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return false;
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}
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}
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else
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{
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if (!ladish_write_string(fd, "\">\n"))
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{
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return false;
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}
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if (!ladish_write_dict(fd, indent + 1, dict))
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{
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return false;
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}
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if (!ladish_write_indented_string(fd, indent, "</port>\n"))
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{
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return false;
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}
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}
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return true;
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}
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#undef indent
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#undef fd
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bool ladish_write_dict(int fd, int indent, ladish_dict_handle dict)
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{
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struct ladish_write_context context;
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ladish_dict_handle dict_dup;
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bool ret;
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if (ladish_dict_get(dict, URI_A2J_PORT) != NULL)
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{
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if (!ladish_dict_dup(dict, &dict_dup))
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{
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log_error("ladish_dict_dup() failed");
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dict_dup = NULL;
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}
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else
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{
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ladish_dict_drop(dict_dup, URI_A2J_PORT);
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dict = dict_dup;
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}
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}
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else
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{
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dict_dup = NULL;
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}
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if (ladish_dict_is_empty(dict))
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{
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ret = true;
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goto dup_destroy;
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}
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context.fd = fd;
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context.indent = indent + 1;
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if (!ladish_write_indented_string(fd, indent, "<dict>\n"))
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{
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ret = false;
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goto dup_destroy;
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}
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if (!ladish_dict_iterate(dict, &context, write_dict_entry))
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{
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ret = false;
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goto dup_destroy;
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}
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if (!ladish_write_indented_string(fd, indent, "</dict>\n"))
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{
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ret = false;
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goto dup_destroy;
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}
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ret = true;
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dup_destroy:
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if (dict_dup != NULL)
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{
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ladish_dict_destroy(dict_dup);
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}
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return ret;
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}
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bool ladish_write_room_link_ports(int fd, int indent, ladish_room_handle room)
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{
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struct ladish_write_context context;
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ladish_check_integrity();
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context.fd = fd;
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context.indent = indent;
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if (!ladish_room_iterate_link_ports(room, &context, ladish_write_room_port))
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{
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log_error("ladish_room_iterate_link_ports() failed");
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return false;
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}
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return true;
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}
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/****************/
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/* write vgraph */
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/****************/
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#define fd (((struct ladish_write_vgraph_context *)context)->fd)
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#define indent (((struct ladish_write_vgraph_context *)context)->indent)
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#define ctx_ptr ((struct ladish_write_vgraph_context *)context)
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static
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bool
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ladish_save_vgraph_client_begin(
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void * context,
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ladish_graph_handle graph,
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bool hidden,
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ladish_client_handle client_handle,
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const char * client_name,
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void ** client_iteration_context_ptr_ptr)
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{
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uuid_t uuid;
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char str[37];
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uuid_t app_uuid;
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char app_str[37];
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ctx_ptr->client_visible = !hidden;
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if (!ctx_ptr->client_visible)
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{
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if (ladish_client_has_app(client_handle))
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{
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ctx_ptr->client_visible = true;
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log_info("saving hidden vgraph client '%s' of managed app", client_name);
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}
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else
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{
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log_info("not saving hidden vgraph client '%s' because it has no app associated", client_name);
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}
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}
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if (!ctx_ptr->client_visible)
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{
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return true;
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}
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ladish_client_get_uuid(client_handle, uuid);
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uuid_unparse(uuid, str);
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log_info("saving vgraph client '%s' (%s)", client_name, str);
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if (!ladish_write_indented_string(fd, indent, "<client name=\""))
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{
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return false;
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}
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if (!ladish_write_string_escape_ex(fd, client_name, LADISH_ESCAPE_FLAG_XML_ATTR))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" uuid=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, str))
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{
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return false;
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}
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if (!ladish_write_string(fd, "\" naming=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, "app"))
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{
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return false;
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}
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if (ladish_client_get_app(client_handle, app_uuid))
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{
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uuid_unparse(app_uuid, app_str);
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if (!ladish_write_string(fd, "\" app=\""))
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{
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return false;
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}
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if (!ladish_write_string(fd, app_str))
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{
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return false;
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}
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}
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if (!ladish_write_string(fd, "\">\n"))
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{
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return false;
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}
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if (!ladish_write_indented_string(fd, indent + 1, "<ports>\n"))
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{
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return false;
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}
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return true;
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}
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static
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bool
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ladish_save_vgraph_client_end(
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void * context,
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ladish_graph_handle graph,
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bool hidden,
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ladish_client_handle client_handle,
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const char * client_name,
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void * client_iteration_context_ptr)
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{
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if (!ctx_ptr->client_visible)
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{
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return true;
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}
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if (!ladish_write_indented_string(fd, indent + 1, "</ports>\n"))
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{
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return false;
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}
|
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if (!ladish_write_dict(fd, indent + 1, ladish_client_get_dict(client_handle)))
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{
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return false;
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}
|
|
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if (!ladish_write_indented_string(fd, indent, "</client>\n"))
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{
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return false;
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}
|
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return true;
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}
|
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static bool ladish_get_vgraph_port_uuids(ladish_graph_handle vgraph, ladish_port_handle port, uuid_t uuid, uuid_t link_uuid)
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{
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bool link;
|
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if (vgraph != ladish_studio_get_studio_graph())
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{
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link = false; /* room ports are saved using their fixed uuids */
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}
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else
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{
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link = ladish_port_is_link(port);
|
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if (link)
|
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{
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/* get the generated port uuid that is used for identification in the virtual graph */
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ladish_graph_get_port_uuid(vgraph, port, uuid);
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}
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}
|
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|
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if (!link || link_uuid != NULL)
|
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{
|
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/* get the real port uuid that is same in both room and studio graphs */
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ladish_port_get_uuid(port, link ? link_uuid : uuid);
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}
|
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|
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return link;
|
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}
|
|
|
|
static
|
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bool
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ladish_save_vgraph_port(
|
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void * context,
|
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ladish_graph_handle graph,
|
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bool hidden,
|
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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)
|
|
{
|
|
uuid_t uuid;
|
|
bool link;
|
|
uuid_t link_uuid;
|
|
char str[37];
|
|
char link_str[37];
|
|
ladish_dict_handle dict;
|
|
|
|
if (!ctx_ptr->client_visible)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* skip hidden ports of running apps */
|
|
if (hidden && !is_hidden_port_interesting(ctx_ptr->app_supervisor, client_handle, port_handle))
|
|
{
|
|
log_info("skippping hidden vgraph port '%s':'%s'", client_name, port_name);
|
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return true;
|
|
}
|
|
|
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link = ladish_get_vgraph_port_uuids(graph, port_handle, uuid, link_uuid);
|
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uuid_unparse(uuid, str);
|
|
if (link)
|
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{
|
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uuid_unparse(link_uuid, link_str);
|
|
log_info("saving vgraph link port '%s':'%s' (%s link=%s)", client_name, port_name, str, link_str);
|
|
}
|
|
else
|
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{
|
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log_info("saving vgraph port '%s':'%s' (%s)", client_name, port_name, str);
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent + 2, "<port name=\""))
|
|
{
|
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return false;
|
|
}
|
|
|
|
if (!ladish_write_string_escape_ex(fd, port_name, LADISH_ESCAPE_FLAG_XML_ATTR))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" uuid=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" type=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, port_type == JACKDBUS_PORT_TYPE_AUDIO ? "audio" : "midi"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" direction=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, JACKDBUS_PORT_IS_INPUT(port_flags) ? "input" : "output"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (link)
|
|
{
|
|
if (!ladish_write_string(fd, "\" link_uuid=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, link_str))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
dict = ladish_port_get_dict(port_handle);
|
|
if (ladish_port_dict_is_empty(dict))
|
|
{
|
|
if (!ladish_write_string(fd, "\" />\n"))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!ladish_write_string(fd, "\">\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_dict(fd, indent + 3, dict))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent + 2, "</port>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static
|
|
bool
|
|
ladish_save_vgraph_connection(
|
|
void * context,
|
|
ladish_graph_handle graph,
|
|
bool connection_hidden,
|
|
ladish_client_handle client1,
|
|
ladish_port_handle port1,
|
|
bool port1_hidden,
|
|
ladish_client_handle client2,
|
|
ladish_port_handle port2,
|
|
bool port2_hidden,
|
|
ladish_dict_handle dict)
|
|
{
|
|
uuid_t uuid;
|
|
char str[37];
|
|
|
|
/* if at least one of ports is hidden, connection must be hidden too */
|
|
ASSERT(!(port1_hidden || port2_hidden) || connection_hidden);
|
|
|
|
if (connection_hidden &&
|
|
((port1_hidden && !is_hidden_port_interesting(ctx_ptr->app_supervisor, client1, port1)) ||
|
|
(port2_hidden && !is_hidden_port_interesting(ctx_ptr->app_supervisor, client2, port2))))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
log_info("saving vgraph connection");
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<connection port1=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ladish_get_vgraph_port_uuids(graph, port1, uuid, NULL);
|
|
uuid_unparse(uuid, str);
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" port2=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ladish_get_vgraph_port_uuids(graph, port2, uuid, NULL);
|
|
uuid_unparse(uuid, str);
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (ladish_dict_is_empty(dict))
|
|
{
|
|
if (!ladish_write_string(fd, "\" />\n"))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!ladish_write_string(fd, "\">\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_dict(fd, indent + 1, dict))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</connection>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static
|
|
bool
|
|
ladish_save_app(
|
|
void * context,
|
|
const char * name,
|
|
bool running,
|
|
const char * command,
|
|
bool terminal,
|
|
const char * level,
|
|
pid_t pid,
|
|
const uuid_t uuid)
|
|
{
|
|
const char * unescaped_string;
|
|
char * escaped_string;
|
|
char * escaped_buffer;
|
|
bool ret;
|
|
char str[37];
|
|
|
|
uuid_unparse(uuid, str);
|
|
|
|
log_info("saving app: name='%s', %srunning, %s, level '%s', commandline='%s'", name, running ? "" : "not ", terminal ? "terminal" : "shell", level, command);
|
|
|
|
ret = false;
|
|
|
|
escaped_buffer = malloc(max_escaped_length(ladish_max(strlen(name), strlen(command))) + 1);
|
|
if (escaped_buffer == NULL)
|
|
{
|
|
log_error("malloc() failed.");
|
|
goto exit;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<application name=\""))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
unescaped_string = name;
|
|
escaped_string = escaped_buffer;
|
|
escape(&unescaped_string, &escaped_string, LADISH_ESCAPE_FLAG_ALL);
|
|
*escaped_string = 0;
|
|
if (!ladish_write_string(fd, escaped_buffer))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" uuid=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" terminal=\""))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, terminal ? "true" : "false"))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" level=\""))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, level))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" autorun=\""))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, running ? "true" : "false"))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\">"))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
unescaped_string = command;
|
|
escaped_string = escaped_buffer;
|
|
escape(&unescaped_string, &escaped_string, LADISH_ESCAPE_FLAG_ALL);
|
|
*escaped_string = 0;
|
|
if (!ladish_write_string(fd, escaped_buffer))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "</application>\n"))
|
|
{
|
|
goto free_buffer;
|
|
}
|
|
|
|
ret = true;
|
|
|
|
free_buffer:
|
|
free(escaped_buffer);
|
|
|
|
exit:
|
|
return ret;
|
|
}
|
|
|
|
#undef ctx_ptr
|
|
#undef indent
|
|
#undef fd
|
|
|
|
bool ladish_write_vgraph(int fd, int indent, ladish_graph_handle vgraph, ladish_app_supervisor_handle app_supervisor)
|
|
{
|
|
struct ladish_write_vgraph_context context;
|
|
|
|
ladish_check_integrity();
|
|
|
|
context.fd = fd;
|
|
context.indent = indent + 1;
|
|
context.app_supervisor = app_supervisor;
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<clients>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_graph_iterate_nodes(
|
|
vgraph,
|
|
&context,
|
|
ladish_save_vgraph_client_begin,
|
|
ladish_save_vgraph_port,
|
|
ladish_save_vgraph_client_end))
|
|
{
|
|
log_error("ladish_graph_iterate_nodes() failed");
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</clients>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<connections>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_graph_iterate_connections(vgraph, &context, ladish_save_vgraph_connection))
|
|
{
|
|
log_error("ladish_graph_iterate_connections() failed");
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</connections>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<applications>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_app_supervisor_enum(app_supervisor, &context, ladish_save_app))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</applications>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/********************/
|
|
/* write jack graph */
|
|
/********************/
|
|
|
|
struct ladish_write_jack_context
|
|
{
|
|
int fd;
|
|
int indent;
|
|
ladish_graph_handle vgraph_filter;
|
|
ladish_app_supervisor_handle app_supervisor;
|
|
bool client_vgraph_match;
|
|
bool a2j;
|
|
bool client_visible;
|
|
};
|
|
|
|
static bool ladish_save_jack_client_write_prolog(int fd, int indent, ladish_client_handle client_handle, const char * client_name)
|
|
{
|
|
uuid_t uuid;
|
|
char str[37];
|
|
|
|
ladish_client_get_uuid(client_handle, uuid);
|
|
uuid_unparse(uuid, str);
|
|
|
|
log_info("saving jack client '%s' (%s)", client_name, str);
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<client name=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string_escape_ex(fd, client_name, LADISH_ESCAPE_FLAG_XML_ATTR))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" uuid=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\">\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent + 1, "<ports>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#define fd (((struct ladish_write_jack_context *)context)->fd)
|
|
#define indent (((struct ladish_write_jack_context *)context)->indent)
|
|
#define ctx_ptr ((struct ladish_write_jack_context *)context)
|
|
|
|
static
|
|
bool
|
|
ladish_save_jack_client_begin(
|
|
void * context,
|
|
ladish_graph_handle graph_handle,
|
|
bool hidden,
|
|
ladish_client_handle client_handle,
|
|
const char * client_name,
|
|
void ** client_iteration_context_ptr_ptr)
|
|
{
|
|
void * vgraph;
|
|
|
|
vgraph = ladish_client_get_vgraph(client_handle);
|
|
ctx_ptr->client_vgraph_match = vgraph == ctx_ptr->vgraph_filter;
|
|
ctx_ptr->a2j = ladish_virtualizer_is_a2j_client(client_handle);
|
|
|
|
/* for the a2j client vgraph is always the studio graph.
|
|
However if studio has no a2j ports, lets not write a2j client.
|
|
If there is a a2j port that matched the vgraph, the prolog will get written anyway */
|
|
ctx_ptr->client_visible =
|
|
(!hidden ||
|
|
ladish_client_has_app(client_handle)) &&
|
|
ctx_ptr->client_vgraph_match &&
|
|
!ctx_ptr->a2j;
|
|
if (!ctx_ptr->client_visible)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return ladish_save_jack_client_write_prolog(fd, indent, client_handle, client_name);
|
|
}
|
|
|
|
static
|
|
bool
|
|
ladish_save_jack_client_end(
|
|
void * context,
|
|
ladish_graph_handle graph_handle,
|
|
bool hidden,
|
|
ladish_client_handle client_handle,
|
|
const char * client_name,
|
|
void * client_iteration_context_ptr)
|
|
{
|
|
if (!ctx_ptr->client_visible)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent + 1, "</ports>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</client>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static
|
|
bool
|
|
ladish_save_jack_port(
|
|
void * context,
|
|
ladish_graph_handle graph_handle,
|
|
bool hidden,
|
|
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)
|
|
{
|
|
uuid_t uuid;
|
|
char str[37];
|
|
|
|
if (hidden && !ladish_port_has_app(port_handle))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* check vgraph for a2j ports */
|
|
if (ctx_ptr->a2j && ctx_ptr->vgraph_filter == ladish_port_get_vgraph(port_handle))
|
|
{
|
|
if (!ctx_ptr->client_visible)
|
|
{
|
|
if (!ladish_save_jack_client_write_prolog(fd, indent, client_handle, client_name))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ctx_ptr->client_visible = true;
|
|
}
|
|
}
|
|
|
|
if (!ctx_ptr->client_visible)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* skip hidden ports of running apps */
|
|
if (hidden && !is_hidden_port_interesting(ctx_ptr->app_supervisor, client_handle, port_handle))
|
|
{
|
|
log_info("skippping hidden vgraph port '%s':'%s'", client_name, port_name);
|
|
return true;
|
|
}
|
|
|
|
ladish_port_get_uuid(port_handle, uuid);
|
|
uuid_unparse(uuid, str);
|
|
|
|
log_info("saving jack port '%s':'%s' (%s)", client_name, port_name, str);
|
|
|
|
if (!ladish_write_indented_string(fd, indent + 2, "<port name=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string_escape_ex(fd, port_name, LADISH_ESCAPE_FLAG_XML_ATTR))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" uuid=\""))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_string(fd, "\" />\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#undef ctx_ptr
|
|
#undef indent
|
|
#undef fd
|
|
|
|
bool ladish_write_jgraph(int fd, int indent, ladish_graph_handle vgraph, ladish_app_supervisor_handle app_supervisor)
|
|
{
|
|
struct ladish_write_jack_context context;
|
|
|
|
ladish_check_integrity();
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "<clients>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
context.fd = fd;
|
|
context.indent = indent + 1;
|
|
context.vgraph_filter = vgraph;
|
|
context.app_supervisor = app_supervisor;
|
|
|
|
if (!ladish_graph_iterate_nodes(
|
|
ladish_studio_get_jack_graph(),
|
|
&context,
|
|
ladish_save_jack_client_begin,
|
|
ladish_save_jack_port,
|
|
ladish_save_jack_client_end))
|
|
{
|
|
log_error("ladish_graph_iterate_nodes() failed");
|
|
return false;
|
|
}
|
|
|
|
if (!ladish_write_indented_string(fd, indent, "</clients>\n"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|