mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-02 09:01:50 -05:00
dbus: move rtkit to module
Move the rtkit code to a module. Make sure we don't need to include the dbus headers in the spa dbus interface. This removes the dependency on dbus.
This commit is contained in:
Wim Taymans
parent
06ba8c9a7e
commit
9d4b0d8358
9 changed files with 185 additions and 207 deletions
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@ -24,8 +24,6 @@
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extern "C" {
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#endif
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#include <dbus/dbus.h>
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#include <spa/support/loop.h>
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#define SPA_TYPE__DBus SPA_TYPE_INTERFACE_BASE "DBus"
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@ -33,6 +31,12 @@ extern "C" {
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#define SPA_TYPE_DBUS__Connection SPA_TYPE_DBUS_BASE "Connection"
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enum spa_dbus_type {
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SPA_DBUS_TYPE_SESSION, /**< The login session bus */
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SPA_DBUS_TYPE_SYSTEM, /**< The systemwide bus */
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SPA_DBUS_TYPE_STARTER /**< The bus that started us, if any */
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};
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struct spa_dbus_connection {
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#define SPA_VERSION_DBUS_CONNECTION 0
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uint32_t version;
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@ -40,9 +44,9 @@ struct spa_dbus_connection {
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* Get the DBusConnection from a wraper
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*
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* \param conn the spa_dbus_connection wrapper
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* \return a DBusConnection
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* \return a pointer of type DBusConnection
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*/
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DBusConnection *(*get) (struct spa_dbus_connection *conn);
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void *(*get) (struct spa_dbus_connection *conn);
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/**
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* Destroy a dbus connection wrapper
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*
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@ -69,13 +73,11 @@ struct spa_dbus {
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*
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* \param dbus the dbus manager
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* \param type the bus type to wrap
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* \param error location for the error
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* \return a new dbus connection wrapper or NULL and \a error is
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* set.
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* \param error location for the DBusError
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* \return a new dbus connection wrapper or NULL on error
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*/
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struct spa_dbus_connection * (*get_connection) (struct spa_dbus *dbus,
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DBusBusType type,
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DBusError *error);
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enum spa_dbus_type type);
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};
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#define spa_dbus_get_connection(d,...) (d)->get_connection((d),__VA_ARGS__)
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@ -27,6 +27,8 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dbus/dbus.h>
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#include <spa/support/log.h>
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#include <spa/support/type-map.h>
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#include <spa/support/loop.h>
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@ -1187,7 +1189,6 @@ impl_init(const struct spa_handle_factory *factory,
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{
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struct spa_bt_monitor *this;
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uint32_t i;
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DBusError err;
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spa_return_val_if_fail(factory != NULL, -EINVAL);
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spa_return_val_if_fail(handle != NULL, -EINVAL);
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@ -1215,11 +1216,9 @@ impl_init(const struct spa_handle_factory *factory,
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}
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init_type(&this->type, this->map);
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dbus_error_init(&err);
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this->dbus_connection = spa_dbus_get_connection(this->dbus, DBUS_BUS_SYSTEM, &err);
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this->dbus_connection = spa_dbus_get_connection(this->dbus, DBUS_BUS_SYSTEM);
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if (this->dbus_connection == NULL) {
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spa_log_error(this->log, "no dbus connection: %s", err.message);
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spa_log_error(this->log, "no dbus connection");
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return -EIO;
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}
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this->conn = spa_dbus_connection_get(this->dbus_connection);
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@ -25,6 +25,8 @@
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#include <fcntl.h>
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#include <unistd.h>
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#include <dbus/dbus.h>
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#include <spa/support/type-map.h>
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#include <spa/support/log.h>
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#include <spa/support/plugin.h>
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@ -255,7 +257,7 @@ static void wakeup_main(void *userdata)
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spa_loop_utils_enable_idle(impl->utils, this->dispatch_event, true);
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}
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static DBusConnection *
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static void *
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impl_connection_get(struct spa_dbus_connection *conn)
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{
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struct connection *this = SPA_CONTAINER_OF(conn, struct connection, this);
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@ -286,18 +288,18 @@ static const struct spa_dbus_connection impl_connection = {
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static struct spa_dbus_connection *
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impl_get_connection(struct spa_dbus *dbus,
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DBusBusType type,
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DBusError *error)
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enum spa_dbus_type type)
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{
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struct impl *impl = SPA_CONTAINER_OF(dbus, struct impl, dbus);
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struct connection *conn;
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DBusError error;
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dbus_error_init(error);
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dbus_error_init(&error);
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conn = calloc(1, sizeof(struct connection));
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conn->this = impl_connection;
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conn->impl = impl;
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conn->conn = dbus_bus_get_private(type, error);
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conn->conn = dbus_bus_get_private(type, &error);
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if (conn->conn == NULL)
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goto error;
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@ -317,6 +319,8 @@ impl_get_connection(struct spa_dbus *dbus,
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return &conn->this;
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error:
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spa_log_error(impl->log, "Failed to connect to system bus: %s", error.message);
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dbus_error_free(&error);
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free(conn);
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return NULL;
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}
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@ -5,6 +5,7 @@ pipewire_module_c_args = [
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'-D_GNU_SOURCE',
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]
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if dbus_dep.found()
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pipewire_module_flatpak = shared_library('pipewire-module-flatpak', [ 'module-flatpak.c' ],
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c_args : pipewire_module_c_args,
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include_directories : [configinc, spa_inc],
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@ -14,6 +15,16 @@ pipewire_module_flatpak = shared_library('pipewire-module-flatpak', [ 'module-fl
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dependencies : [dbus_dep, mathlib, dl_lib, pipewire_dep],
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)
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pipewire_module_rtkit = shared_library('pipewire-module-rtkit', [ 'module-rtkit.c' ],
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c_args : pipewire_module_c_args,
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include_directories : [configinc, spa_inc],
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link_with : spalib,
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install : true,
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install_dir : modules_install_dir,
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dependencies : [dbus_dep, mathlib, dl_lib, pipewire_dep],
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)
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endif
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pipewire_module_autolink = shared_library('pipewire-module-autolink', [ 'module-autolink.c' ],
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c_args : pipewire_module_c_args,
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include_directories : [configinc, spa_inc],
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@ -27,6 +27,8 @@
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#include "config.h"
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#include <dbus/dbus.h>
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#include <spa/support/dbus.h>
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#include "pipewire/core.h"
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@ -469,7 +471,6 @@ static int module_init(struct pw_module *module, struct pw_properties *propertie
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{
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struct pw_core *core = pw_module_get_core(module);
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struct impl *impl;
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DBusError error;
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struct spa_dbus *dbus;
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const struct spa_support *support;
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uint32_t n_support;
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@ -490,9 +491,7 @@ static int module_init(struct pw_module *module, struct pw_properties *propertie
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impl->type = pw_core_get_type(core);
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impl->properties = properties;
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dbus_error_init(&error);
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impl->conn = spa_dbus_get_connection(dbus, DBUS_BUS_SESSION, &error);
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impl->conn = spa_dbus_get_connection(dbus, SPA_DBUS_TYPE_SESSION);
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if (impl->conn == NULL)
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goto error;
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@ -507,8 +506,7 @@ static int module_init(struct pw_module *module, struct pw_properties *propertie
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error:
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free(impl);
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pw_log_error("Failed to connect to system bus: %s", error.message);
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dbus_error_free(&error);
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pw_log_error("Failed to connect to system bus");
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return -ENOMEM;
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}
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@ -1,5 +1,5 @@
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/* PipeWire
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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* Copyright (C) 2016 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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@ -16,6 +16,42 @@
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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 <stdlib.h>
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#include <stdbool.h>
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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 <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/resource.h>
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#include <sys/eventfd.h>
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#include "config.h"
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#include <spa/support/dbus.h>
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#include "pipewire/core.h"
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#include "pipewire/interfaces.h"
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#include "pipewire/link.h"
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#include "pipewire/log.h"
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#include "pipewire/module.h"
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#include "pipewire/utils.h"
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struct impl {
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struct pw_core *core;
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struct pw_type *type;
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struct pw_properties *properties;
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struct spa_loop *loop;
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struct spa_source source;
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struct spa_hook module_listener;
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};
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/***
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Copyright 2009 Lennart Poettering
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Copyright 2010 David Henningsson <diwic@ubuntu.com>
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@ -41,15 +77,23 @@
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SOFTWARE.
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***/
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#include <errno.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <dbus/dbus.h>
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#include <pipewire/log.h>
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include "rtkit.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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#define RTKIT_SERVICE_NAME "org.freedesktop.RealtimeKit1"
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#define RTKIT_OBJECT_PATH "/org/freedesktop/RealtimeKit1"
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/** \cond */
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struct pw_rtkit_bus {
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@ -90,22 +134,6 @@ void pw_rtkit_bus_free(struct pw_rtkit_bus *system_bus)
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free(system_bus);
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}
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#if defined(__linux__) && !defined(__ANDROID__)
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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static pid_t _gettid(void)
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{
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return (pid_t) syscall(SYS_gettid);
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@ -349,31 +377,108 @@ int pw_rtkit_make_high_priority(struct pw_rtkit_bus *connection, pid_t thread, i
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return ret;
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}
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#else
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int pw_rtkit_make_realtime(struct pw_rtkit_bus *connection, pid_t thread, int priority)
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static void module_destroy(void *data)
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{
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return -ENOTSUP;
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struct impl *impl = data;
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spa_hook_remove(&impl->module_listener);
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if (impl->properties)
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pw_properties_free(impl->properties);
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free(impl);
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}
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int pw_rtkit_make_high_priority(struct pw_rtkit_bus *connection, pid_t thread, int nice_level)
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static 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 void idle_func(struct spa_source *source)
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{
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return -ENOTSUP;
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struct impl *impl = source->data;
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struct sched_param sp;
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struct pw_rtkit_bus *system_bus;
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struct rlimit rl;
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int r, rtprio;
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long long rttime;
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uint64_t count;
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rtprio = 20;
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rttime = 20000;
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spa_zero(sp);
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sp.sched_priority = rtprio;
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if (pthread_setschedparam(pthread_self(), SCHED_OTHER | SCHED_RESET_ON_FORK, &sp) == 0) {
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pw_log_debug("SCHED_OTHER|SCHED_RESET_ON_FORK worked.");
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return;
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}
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system_bus = pw_rtkit_bus_get_system();
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rl.rlim_cur = rl.rlim_max = rttime;
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if ((r = setrlimit(RLIMIT_RTTIME, &rl)) < 0)
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pw_log_debug("setrlimit() failed: %s", strerror(errno));
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if (rttime >= 0) {
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r = getrlimit(RLIMIT_RTTIME, &rl);
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if (r >= 0 && (long long) rl.rlim_max > rttime) {
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pw_log_debug("Clamping rlimit-rttime to %lld for RealtimeKit", rttime);
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rl.rlim_cur = rl.rlim_max = rttime;
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if ((r = setrlimit(RLIMIT_RTTIME, &rl)) < 0)
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pw_log_debug("setrlimit() failed: %s", strerror(errno));
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}
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}
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int pw_rtkit_get_max_realtime_priority(struct pw_rtkit_bus *connection)
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{
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return -ENOTSUP;
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if ((r = pw_rtkit_make_realtime(system_bus, 0, rtprio)) < 0) {
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pw_log_debug("could not make thread realtime: %s", strerror(r));
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} else {
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pw_log_debug("thread made realtime");
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}
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pw_rtkit_bus_free(system_bus);
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read(impl->source.fd, &count, sizeof(uint64_t));
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}
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int pw_rtkit_get_min_nice_level(struct pw_rtkit_bus *connection, int *min_nice_level)
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static int 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 impl *impl;
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struct spa_loop *loop;
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const struct spa_support *support;
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uint32_t n_support;
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support = pw_core_get_support(core, &n_support);
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loop = spa_support_find(support, n_support, SPA_TYPE_LOOP__DataLoop);
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if (loop == NULL)
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return -ENOTSUP;
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impl = calloc(1, sizeof(struct impl));
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if (impl == NULL)
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return -ENOMEM;
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pw_log_debug("module %p: new", impl);
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impl->core = core;
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impl->type = pw_core_get_type(core);
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impl->properties = properties;
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impl->loop = loop;
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impl->source.loop = loop;
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impl->source.func = idle_func;
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impl->source.data = impl;
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impl->source.fd = eventfd(1, EFD_CLOEXEC | EFD_NONBLOCK);
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impl->source.mask = SPA_IO_IN;
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spa_loop_add_source(impl->loop, &impl->source);
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pw_module_add_listener(module, &impl->module_listener, &module_events, impl);
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return 0;
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}
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long long pw_rtkit_get_rttime_usec_max(struct pw_rtkit_bus *connection)
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int pipewire__module_init(struct pw_module *module, const char *args)
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{
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return -ENOTSUP;
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return module_init(module, NULL);
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}
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#endif
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@ -22,60 +22,14 @@
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#include <sys/resource.h>
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#include "pipewire/log.h"
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#include "pipewire/rtkit.h"
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#include "pipewire/data-loop.h"
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#include "pipewire/private.h"
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static void make_realtime(struct pw_data_loop *this)
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{
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struct sched_param sp;
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struct pw_rtkit_bus *system_bus;
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struct rlimit rl;
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int r, rtprio;
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long long rttime;
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rtprio = 20;
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rttime = 20000;
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spa_zero(sp);
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sp.sched_priority = rtprio;
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if (pthread_setschedparam(pthread_self(), SCHED_OTHER | SCHED_RESET_ON_FORK, &sp) == 0) {
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pw_log_debug("SCHED_OTHER|SCHED_RESET_ON_FORK worked.");
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return;
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}
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system_bus = pw_rtkit_bus_get_system();
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rl.rlim_cur = rl.rlim_max = rttime;
|
||||
if ((r = setrlimit(RLIMIT_RTTIME, &rl)) < 0)
|
||||
pw_log_debug("setrlimit() failed: %s", strerror(errno));
|
||||
|
||||
if (rttime >= 0) {
|
||||
r = getrlimit(RLIMIT_RTTIME, &rl);
|
||||
if (r >= 0 && (long long) rl.rlim_max > rttime) {
|
||||
pw_log_debug("Clamping rlimit-rttime to %lld for RealtimeKit", rttime);
|
||||
rl.rlim_cur = rl.rlim_max = rttime;
|
||||
|
||||
if ((r = setrlimit(RLIMIT_RTTIME, &rl)) < 0)
|
||||
pw_log_debug("setrlimit() failed: %s", strerror(errno));
|
||||
}
|
||||
}
|
||||
|
||||
if ((r = pw_rtkit_make_realtime(system_bus, 0, rtprio)) < 0) {
|
||||
pw_log_debug("could not make thread realtime: %s", strerror(r));
|
||||
} else {
|
||||
pw_log_debug("thread made realtime");
|
||||
}
|
||||
pw_rtkit_bus_free(system_bus);
|
||||
}
|
||||
|
||||
static void *do_loop(void *user_data)
|
||||
{
|
||||
struct pw_data_loop *this = user_data;
|
||||
int res;
|
||||
|
||||
make_realtime(this);
|
||||
|
||||
pw_log_debug("data-loop %p: enter thread", this);
|
||||
pw_loop_enter(this->loop);
|
||||
|
||||
|
|
|
|||
|
|
@ -24,7 +24,6 @@ pipewire_headers = [
|
|||
'proxy.h',
|
||||
'remote.h',
|
||||
'resource.h',
|
||||
'rtkit.h',
|
||||
'stream.h',
|
||||
'thread-loop.h',
|
||||
'type.h',
|
||||
|
|
@ -56,7 +55,6 @@ pipewire_sources = [
|
|||
'remote.c',
|
||||
'resource.c',
|
||||
'stream.c',
|
||||
'rtkit.c',
|
||||
'thread-loop.c',
|
||||
'type.c',
|
||||
'utils.c',
|
||||
|
|
@ -78,7 +76,7 @@ libpipewire = shared_library('pipewire-@0@'.format(apiversion), pipewire_sources
|
|||
include_directories : [pipewire_inc, configinc, spa_inc],
|
||||
link_with : spalib,
|
||||
install : true,
|
||||
dependencies : [dbus_dep, dl_lib, mathlib, pthread_lib],
|
||||
dependencies : [dl_lib, mathlib, pthread_lib],
|
||||
)
|
||||
|
||||
pipewire_dep = declare_dependency(link_with : libpipewire,
|
||||
|
|
|
|||
|
|
@ -1,93 +0,0 @@
|
|||
/* PipeWire
|
||||
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __PIPEWIRE_RTKIT_H__
|
||||
#define __PIPEWIRE_RTKIT_H__
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define RTKIT_SERVICE_NAME "org.freedesktop.RealtimeKit1"
|
||||
#define RTKIT_OBJECT_PATH "/org/freedesktop/RealtimeKit1"
|
||||
|
||||
/** \class pw_rtkit
|
||||
*
|
||||
* RTKit helpers
|
||||
*/
|
||||
/** Get an RTKit bus \memberof pw_rtkit */
|
||||
struct pw_rtkit_bus *
|
||||
pw_rtkit_bus_get_system(void);
|
||||
|
||||
/** Free an RTKit bus \memberof pw_rtkit */
|
||||
void
|
||||
pw_rtkit_bus_free(struct pw_rtkit_bus *system_bus);
|
||||
|
||||
|
||||
/** This is mostly equivalent to sched_setparam(thread, SCHED_RR, {
|
||||
* .sched_priority = priority }). 'thread' needs to be a kernel thread
|
||||
* id as returned by gettid(), not a pthread_t! If 'thread' is 0 the
|
||||
* current thread is used. The returned value is a negative errno
|
||||
* style error code, or 0 on success.
|
||||
* \memberof pw_rtkit
|
||||
*/
|
||||
int
|
||||
pw_rtkit_make_realtime(struct pw_rtkit_bus *system_bus, pid_t thread, int priority);
|
||||
|
||||
|
||||
/** This is mostly equivalent to setpriority(PRIO_PROCESS, thread,
|
||||
* nice_level). 'thread' needs to be a kernel thread id as returned by
|
||||
* gettid(), not a pthread_t! If 'thread' is 0 the current thread is
|
||||
* used. The returned value is a negative errno style error code, or
|
||||
* 0 on success.
|
||||
* \memberof pw_rtkit
|
||||
*/
|
||||
int
|
||||
pw_rtkit_make_high_priority(struct pw_rtkit_bus *system_bus, pid_t thread, int nice_level);
|
||||
|
||||
/** Return the maximum value of realtime priority available. Realtime requests
|
||||
* above this value will fail. A negative value is an errno style error code.
|
||||
* \memberof pw_rtkit
|
||||
*/
|
||||
int
|
||||
pw_rtkit_get_max_realtime_priority(struct pw_rtkit_bus *system_bus);
|
||||
|
||||
/** Retreive the minimum value of nice level available. High prio requests
|
||||
* below this value will fail. The returned value is a negative errno
|
||||
* style error code, or 0 on success.
|
||||
* \memberof pw_rtkit
|
||||
*/
|
||||
int
|
||||
pw_rtkit_get_min_nice_level(struct pw_rtkit_bus *system_bus, int *min_nice_level);
|
||||
|
||||
/** Return the maximum value of RLIMIT_RTTIME to set before attempting a
|
||||
* realtime request. A negative value is an errno style error code.
|
||||
* \memberof pw_rtkit
|
||||
*/
|
||||
long long
|
||||
pw_rtkit_get_rttime_usec_max(struct pw_rtkit_bus *system_bus);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __PIPEWIRE_RTKIT_H__ */
|
||||
Loading…
Add table
Add a link
Reference in a new issue