mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
7f20e04803
Rename the node-factory to a more generic object factory. Add type and version to create objects from a factory Start on factory introspection
146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
/* PipeWire
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* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include "config.h"
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#include "pipewire/core.h"
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#include "pipewire/interfaces.h"
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#include "pipewire/log.h"
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#include "pipewire/module.h"
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#include "module-client-node/client-node.h"
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struct pw_protocol *pw_protocol_native_ext_client_node_init(struct pw_core *core);
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struct factory_data {
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struct pw_factory *this;
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struct pw_properties *properties;
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struct spa_hook module_listener;
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uint32_t type_client_node;
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};
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static void *create_object(void *_data,
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struct pw_resource *resource,
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uint32_t type,
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uint32_t version,
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struct pw_properties *properties,
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uint32_t new_id)
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{
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struct pw_client_node *node;
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struct pw_resource *node_resource;
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if (resource == NULL)
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goto no_resource;
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node_resource = pw_resource_new(pw_resource_get_client(resource),
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new_id, PW_PERM_RWX, type, version, 0);
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if (node_resource == NULL)
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goto no_mem;
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node = pw_client_node_new(node_resource, properties);
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if (node == NULL)
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goto no_mem;
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return node;
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no_resource:
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pw_log_error("client-node needs a resource");
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pw_resource_error(resource, SPA_RESULT_INVALID_ARGUMENTS, "no resource");
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goto done;
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no_mem:
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pw_log_error("can't create node");
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pw_resource_error(resource, SPA_RESULT_NO_MEMORY, "no memory");
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goto done;
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done:
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if (properties)
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pw_properties_free(properties);
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return NULL;
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}
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static const struct pw_factory_implementation impl_factory = {
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PW_VERSION_FACTORY_IMPLEMENTATION,
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.create_object = create_object,
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};
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static void module_destroy(void *data)
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{
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struct factory_data *d = data;
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spa_hook_remove(&d->module_listener);
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if (d->properties)
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pw_properties_free(d->properties);
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pw_factory_destroy(d->this);
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}
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const struct pw_module_events module_events = {
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PW_VERSION_MODULE_EVENTS,
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.destroy = module_destroy,
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};
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static bool module_init(struct pw_module *module, struct pw_properties *properties)
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{
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struct pw_core *core = pw_module_get_core(module);
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struct pw_type *t = pw_core_get_type(core);
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struct pw_factory *factory;
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struct factory_data *data;
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uint32_t type_client_node;
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type_client_node = spa_type_map_get_id(t->map, PW_TYPE_INTERFACE__ClientNode);
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factory = pw_factory_new(core,
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"client-node",
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type_client_node,
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PW_VERSION_CLIENT_NODE,
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NULL,
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sizeof(*data));
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if (factory == NULL)
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return false;
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data = pw_factory_get_user_data(factory);
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data->this = factory;
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data->properties = properties;
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data->type_client_node = type_client_node;
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pw_log_debug("module %p: new", module);
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pw_factory_set_implementation(factory,
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&impl_factory,
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data);
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pw_protocol_native_ext_client_node_init(core);
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pw_factory_register(factory, NULL, pw_module_get_global(module));
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pw_module_add_listener(module, &data->module_listener, &module_events, data);
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return true;
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}
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bool pipewire__module_init(struct pw_module *module, const char *args)
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{
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return module_init(module, NULL);
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}
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