diff options
Diffstat (limited to 'src/modules/module-rygel-media-server.c')
| -rw-r--r-- | src/modules/module-rygel-media-server.c | 847 |
1 files changed, 847 insertions, 0 deletions
diff --git a/src/modules/module-rygel-media-server.c b/src/modules/module-rygel-media-server.c new file mode 100644 index 00000000..4c02e958 --- /dev/null +++ b/src/modules/module-rygel-media-server.c @@ -0,0 +1,847 @@ +/*** + This file is part of PulseAudio. + + Copyright 2005-2009 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio 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 + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <pulse/xmalloc.h> +#include <pulse/util.h> +#include <pulse/i18n.h> +#include <pulse/utf8.h> + +#include <pulsecore/sink.h> +#include <pulsecore/source.h> +#include <pulsecore/core-util.h> +#include <pulsecore/log.h> +#include <pulsecore/modargs.h> +#include <pulsecore/dbus-shared.h> +#include <pulsecore/endianmacros.h> +#include <pulsecore/namereg.h> +#include <pulsecore/mime-type.h> +#include <pulsecore/strbuf.h> +#include <pulsecore/protocol-http.h> +#include <pulsecore/parseaddr.h> + +#include "module-rygel-media-server-symdef.h" + +PA_MODULE_AUTHOR("Lennart Poettering"); +PA_MODULE_DESCRIPTION("UPnP MediaServer Plugin for Rygel"); +PA_MODULE_VERSION(PACKAGE_VERSION); +PA_MODULE_LOAD_ONCE(TRUE); +PA_MODULE_USAGE( + "display_name=<UPnP Media Server name>"); + +/* This implements http://live.gnome.org/Rygel/MediaServerSpec */ + +#define SERVICE_NAME "org.gnome.UPnP.MediaServer1.PulseAudio" + +#define OBJECT_ROOT "/org/gnome/UPnP/MediaServer1/PulseAudio" +#define OBJECT_SINKS "/org/gnome/UPnP/MediaServer1/PulseAudio/Sinks" +#define OBJECT_SOURCES "/org/gnome/UPnP/MediaServer1/PulseAudio/Sources" + +#define CONTAINER_INTROSPECT_XML_PREFIX \ + DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ + "<node>" \ + " <!-- If you are looking for documentation make sure to check out" \ + " http://live.gnome.org/Rygel/MediaServerSpec -->" \ + " <interface name=\"org.gnome.UPnP.MediaContainer1\">" \ + " <signal name=\"Updated\">" \ + " <arg name=\"path\" type=\"o\"/>" \ + " </signal>" \ + " <property name=\"Items\" type=\"ao\" access=\"read\"/>" \ + " <property name=\"ItemCount\" type=\"u\" access=\"read\"/>" \ + " <property name=\"Containers\" type=\"ao\" access=\"read\"/>" \ + " <property name=\"ContainerCount\" type=\"u\" access=\"read\"/>" \ + " </interface>" \ + " <interface name=\"org.gnome.UPnP.MediaObject1\">" \ + " <property name=\"Parent\" type=\"s\" access=\"read\"/>" \ + " <property name=\"DisplayName\" type=\"s\" access=\"read\"/>" \ + " </interface>" \ + " <interface name=\"org.freedesktop.DBus.Properties\">" \ + " <method name=\"Get\">" \ + " <arg name=\"interface\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"property\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"value\" direction=\"out\" type=\"v\"/>" \ + " </method>" \ + " <method name=\"GetAll\">" \ + " <arg name=\"interface\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>" \ + " </method>" \ + " </interface>" \ + " <interface name=\"org.freedesktop.DBus.Introspectable\">" \ + " <method name=\"Introspect\">" \ + " <arg name=\"data\" type=\"s\" direction=\"out\"/>" \ + " </method>" \ + " </interface>" + +#define CONTAINER_INTROSPECT_XML_POSTFIX \ + "</node>" + +#define ROOT_INTROSPECT_XML \ + CONTAINER_INTROSPECT_XML_PREFIX \ + "<node name=\"Sinks\"/>" \ + "<node name=\"Sources\"/>" \ + CONTAINER_INTROSPECT_XML_POSTFIX + +#define ITEM_INTROSPECT_XML \ + DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ + "<node>" \ + " <!-- If you are looking for documentation make sure to check out" \ + " http://live.gnome.org/Rygel/MediaProviderSpec -->" \ + " <interface name=\"org.gnome.UPnP.MediaItem1\">" \ + " <property name=\"URLs\" type=\"as\" access=\"read\"/>" \ + " <property name=\"MIMEType\" type=\"s\" access=\"read\"/>" \ + " <property name=\"Type\" type=\"s\" access=\"read\"/>" \ + " </interface>" \ + " <interface name=\"org.gnome.UPnP.MediaObject1\">" \ + " <property name=\"Parent\" type=\"s\" access=\"read\"/>" \ + " <property name=\"DisplayName\" type=\"s\" access=\"read\"/>" \ + " </interface>" \ + " <interface name=\"org.freedesktop.DBus.Properties\">" \ + " <method name=\"Get\">" \ + " <arg name=\"interface\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"property\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"value\" direction=\"out\" type=\"v\"/>" \ + " </method>" \ + " <method name=\"GetAll\">" \ + " <arg name=\"interface\" direction=\"in\" type=\"s\"/>" \ + " <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>" \ + " </method>" \ + " </interface>" \ + " <interface name=\"org.freedesktop.DBus.Introspectable\">" \ + " <method name=\"Introspect\">" \ + " <arg name=\"data\" type=\"s\" direction=\"out\"/>" \ + " </method>" \ + " </interface>" \ + "</node>" + + +static const char* const valid_modargs[] = { + "display_name", + NULL +}; + +struct userdata { + pa_core *core; + pa_module *module; + + pa_dbus_connection *bus; + pa_bool_t got_name:1; + + char *display_name; + + pa_hook_slot *source_new_slot, *source_unlink_slot; + + pa_http_protocol *http; +}; + +static void send_signal(struct userdata *u, pa_source *s) { + DBusMessage *m; + const char *parent; + + pa_assert(u); + pa_source_assert_ref(s); + + if (u->core->state == PA_CORE_SHUTDOWN) + return; + + if (s->monitor_of) + parent = OBJECT_SINKS; + else + parent = OBJECT_SOURCES; + + pa_assert_se(m = dbus_message_new_signal(parent, "org.gnome.UPnP.MediaContainer1", "Updated")); + pa_assert_se(dbus_connection_send(pa_dbus_connection_get(u->bus), m, NULL)); + + dbus_message_unref(m); +} + +static pa_hook_result_t source_new_or_unlink_cb(pa_core *c, pa_source *s, struct userdata *u) { + pa_assert(c); + pa_source_assert_ref(s); + + send_signal(u, s); + + return PA_HOOK_OK; +} + +static pa_bool_t message_is_property_get(DBusMessage *m, const char *interface, const char *property) { + const char *i, *p; + DBusError error; + + dbus_error_init(&error); + + pa_assert(m); + + if (!dbus_message_is_method_call(m, "org.freedesktop.DBus.Properties", "Get")) + return FALSE; + + if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &i, DBUS_TYPE_STRING, &p, DBUS_TYPE_INVALID) || dbus_error_is_set(&error)) { + dbus_error_free(&error); + return FALSE; + } + + return pa_streq(i, interface) && pa_streq(p, property); +} + +static pa_bool_t message_is_property_get_all(DBusMessage *m, const char *interface) { + const char *i; + DBusError error; + + dbus_error_init(&error); + + pa_assert(m); + + if (!dbus_message_is_method_call(m, "org.freedesktop.DBus.Properties", "GetAll")) + return FALSE; + + if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &i, DBUS_TYPE_INVALID) || dbus_error_is_set(&error)) { + dbus_error_free(&error); + return FALSE; + } + + return pa_streq(i, interface); +} + +static void append_variant_object_array(DBusMessage *m, DBusMessageIter *iter, const char *path[], unsigned n) { + DBusMessageIter _iter, variant, array; + unsigned c; + + pa_assert(m); + pa_assert(path); + + if (!iter) { + dbus_message_iter_init_append(m, &_iter); + iter = &_iter; + } + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "ao", &variant)); + pa_assert_se(dbus_message_iter_open_container(&variant, DBUS_TYPE_ARRAY, "o", &array)); + + for (c = 0; c < n; c++) + pa_assert_se(dbus_message_iter_append_basic(&array, DBUS_TYPE_OBJECT_PATH, path + c)); + + pa_assert_se(dbus_message_iter_close_container(&variant, &array)); + pa_assert_se(dbus_message_iter_close_container(iter, &variant)); +} + +static void append_variant_string(DBusMessage *m, DBusMessageIter *iter, const char *s) { + DBusMessageIter _iter, sub; + + pa_assert(m); + pa_assert(s); + + if (!iter) { + dbus_message_iter_init_append(m, &_iter); + iter = &_iter; + } + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "s", &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &s)); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_variant_object(DBusMessage *m, DBusMessageIter *iter, const char *s) { + DBusMessageIter _iter, sub; + + pa_assert(m); + pa_assert(s); + + if (!iter) { + dbus_message_iter_init_append(m, &_iter); + iter = &_iter; + } + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "o", &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &s)); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_variant_unsigned(DBusMessage *m, DBusMessageIter *iter, unsigned u) { + DBusMessageIter _iter, sub; + + pa_assert(m); + + if (!iter) { + dbus_message_iter_init_append(m, &_iter); + iter = &_iter; + } + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "u", &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &u)); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_property_dict_entry_object_array(DBusMessage *m, DBusMessageIter *iter, const char *name, const char *path[], unsigned n) { + DBusMessageIter sub; + + pa_assert(iter); + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_DICT_ENTRY, NULL, &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name)); + append_variant_object_array(m, &sub, path, n); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_property_dict_entry_string(DBusMessage *m, DBusMessageIter *iter, const char *name, const char *value) { + DBusMessageIter sub; + + pa_assert(iter); + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_DICT_ENTRY, NULL, &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name)); + append_variant_string(m, &sub, value); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_property_dict_entry_object(DBusMessage *m, DBusMessageIter *iter, const char *name, const char *value) { + DBusMessageIter sub; + + pa_assert(iter); + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_DICT_ENTRY, NULL, &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name)); + append_variant_object(m, &sub, value); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static void append_property_dict_entry_unsigned(DBusMessage *m, DBusMessageIter *iter, const char *name, unsigned u) { + DBusMessageIter sub; + + pa_assert(iter); + + pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_DICT_ENTRY, NULL, &sub)); + pa_assert_se(dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name)); + append_variant_unsigned(m, &sub, u); + pa_assert_se(dbus_message_iter_close_container(iter, &sub)); +} + +static const char *array_root_containers[] = { OBJECT_SINKS, OBJECT_SOURCES }; +static const char *array_no_children[] = { }; + +static DBusHandlerResult root_handler(DBusConnection *c, DBusMessage *m, void *userdata) { + struct userdata *u = userdata; + DBusMessage *r = NULL; + + pa_assert(u); + + if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "Containers")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object_array(r, NULL, (const char**) array_root_containers, PA_ELEMENTSOF(array_root_containers)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "ContainerCount")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_unsigned(r, NULL, PA_ELEMENTSOF(array_root_containers)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "Items")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object_array(r, NULL, array_no_children, PA_ELEMENTSOF(array_no_children)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "ItemCount")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_unsigned(r, NULL, PA_ELEMENTSOF(array_no_children)); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaContainer1")) { + DBusMessageIter iter, sub; + + pa_assert_se(r = dbus_message_new_method_return(m)); + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_object_array(r, &sub, "Containers", array_root_containers, PA_ELEMENTSOF(array_root_containers)); + append_property_dict_entry_unsigned(r, &sub, "ContainerCount", PA_ELEMENTSOF(array_root_containers)); + append_property_dict_entry_object_array(r, &sub, "Items", array_no_children, PA_ELEMENTSOF(array_no_children)); + append_property_dict_entry_unsigned(r, &sub, "ItemCount", PA_ELEMENTSOF(array_no_children)); + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "Parent")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object(r, NULL, OBJECT_ROOT); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "DisplayName")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_string(r, NULL, u->display_name); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaObject1")) { + DBusMessageIter iter, sub; + + pa_assert_se(r = dbus_message_new_method_return(m)); + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_string(r, &sub, "DisplayName", u->display_name); + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) { + const char *xml = ROOT_INTROSPECT_XML; + + pa_assert_se(r = dbus_message_new_method_return(m)); + pa_assert_se(dbus_message_append_args( + r, + DBUS_TYPE_STRING, &xml, + DBUS_TYPE_INVALID)); + + } else + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + if (r) { + pa_assert_se(dbus_connection_send(pa_dbus_connection_get(u->bus), r, NULL)); + dbus_message_unref(r); + } + + return DBUS_HANDLER_RESULT_HANDLED; +} + +static char *compute_url(struct userdata *u, const char *name) { + pa_strlist *i; + + pa_assert(u); + pa_assert(name); + + for (i = pa_http_protocol_servers(u->http); i; i = pa_strlist_next(i)) { + pa_parsed_address a; + + if (pa_parse_address(pa_strlist_data(i), &a) >= 0 && + (a.type == PA_PARSED_ADDRESS_TCP4 || + a.type == PA_PARSED_ADDRESS_TCP6 || + a.type == PA_PARSED_ADDRESS_TCP_AUTO)) { + + const char *address; + char *s; + + if (pa_is_ip_address(a.path_or_host)) + address = a.path_or_host; + else + address = "@ADDRESS@"; + + if (a.port <= 0) + a.port = 4714; + + s = pa_sprintf_malloc("http://%s:%u/listen/source/%s", address, a.port, name); + + pa_xfree(a.path_or_host); + return s; + } + + pa_xfree(a.path_or_host); + } + + return pa_sprintf_malloc("http://@ADDRESS@:4714/listen/source/%s", name); +} + +static char **child_array(struct userdata *u, const char *path, unsigned *n) { + unsigned m; + uint32_t idx; + char **array; + + pa_assert(u); + pa_assert(path); + pa_assert(n); + + if (pa_streq(path, OBJECT_SINKS)) + m = pa_idxset_size(u->core->sinks); + else + m = pa_idxset_size(u->core->sources); + + array = pa_xnew(char*, m); + *n = 0; + + if (pa_streq(path, OBJECT_SINKS)) { + pa_sink *sink; + + PA_IDXSET_FOREACH(sink, u->core->sinks, idx) + array[(*n)++] = pa_sprintf_malloc(OBJECT_SINKS "/%u", sink->index); + } else { + pa_source *source; + + PA_IDXSET_FOREACH(source, u->core->sources, idx) + if (!source->monitor_of) + array[(*n)++] = pa_sprintf_malloc(OBJECT_SOURCES "/%u", source->index); + } + + pa_assert((*n) <= m); + + return array; +} + +static void free_child_array(char **array, unsigned n) { + + for (; n >= 1; n--) + pa_xfree(array[n-1]); + + pa_xfree(array); +} + +static DBusHandlerResult sinks_and_sources_handler(DBusConnection *c, DBusMessage *m, void *userdata) { + struct userdata *u = userdata; + DBusMessage *r = NULL; + const char *path; + + pa_assert(u); + + path = dbus_message_get_path(m); + + if (pa_streq(path, OBJECT_SINKS) || pa_streq(path, OBJECT_SOURCES)) { + + /* Container nodes */ + + if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "Containers")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object_array(r, NULL, array_no_children, PA_ELEMENTSOF(array_no_children)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "ContainerCount")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_unsigned(r, NULL, PA_ELEMENTSOF(array_no_children)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "Items")) { + char ** array; + unsigned n; + + array = child_array(u, path, &n); + + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object_array(r, NULL, (const char**) array, n); + + free_child_array(array, n); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaContainer1", "ItemCount")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_unsigned(r, NULL, + pa_streq(path, OBJECT_SINKS) ? + pa_idxset_size(u->core->sinks) : + pa_idxset_size(u->core->sources)); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaContainer1")) { + DBusMessageIter iter, sub; + char **array; + unsigned n; + + pa_assert_se(r = dbus_message_new_method_return(m)); + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_object_array(r, &sub, "Containers", array_no_children, PA_ELEMENTSOF(array_no_children)); + append_property_dict_entry_unsigned(r, &sub, "ContainerCount", 0); + + array = child_array(u, path, &n); + append_property_dict_entry_object_array(r, &sub, "Items", (const char**) array, n); + free_child_array(array, n); + append_property_dict_entry_unsigned(r, &sub, "ItemCount", + pa_streq(path, OBJECT_SINKS) ? + pa_idxset_size(u->core->sinks) : + pa_idxset_size(u->core->sources)); + + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "Parent")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object(r, NULL, OBJECT_ROOT); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "DisplayName")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_string(r, + NULL, + pa_streq(path, OBJECT_SINKS) ? + _("Output Devices") : + _("Input Devices")); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaObject1")) { + DBusMessageIter iter, sub; + + pa_assert_se(r = dbus_message_new_method_return(m)); + + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_object(m, &sub, "Parent", OBJECT_ROOT); + append_property_dict_entry_string(m, &sub, "DisplayName", + pa_streq(path, OBJECT_SINKS) ? + _("Output Devices") : + _("Input Devices")); + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) { + pa_strbuf *sb; + char *xml; + uint32_t idx; + + sb = pa_strbuf_new(); + pa_strbuf_puts(sb, CONTAINER_INTROSPECT_XML_PREFIX); + + if (pa_streq(path, OBJECT_SINKS)) { + pa_sink *sink; + + PA_IDXSET_FOREACH(sink, u->core->sinks, idx) + pa_strbuf_printf(sb, "<node name=\"%u\"/>", sink->index); + } else { + pa_source *source; + + PA_IDXSET_FOREACH(source, u->core->sources, idx) + if (!source->monitor_of) + pa_strbuf_printf(sb, "<node name=\"%u\"/>", source->index); + } + + pa_strbuf_puts(sb, CONTAINER_INTROSPECT_XML_POSTFIX); + xml = pa_strbuf_tostring_free(sb); + + pa_assert_se(r = dbus_message_new_method_return(m)); + pa_assert_se(dbus_message_append_args( + r, + DBUS_TYPE_STRING, &xml, + DBUS_TYPE_INVALID)); + + pa_xfree(xml); + } else + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + } else { + pa_sink *sink = NULL; + pa_source *source = NULL; + + /* Child nodes */ + + if (pa_startswith(path, OBJECT_SINKS "/")) + sink = pa_namereg_get(u->core, path + sizeof(OBJECT_SINKS), PA_NAMEREG_SINK); + else if (pa_startswith(path, OBJECT_SOURCES "/")) + source = pa_namereg_get(u->core, path + sizeof(OBJECT_SOURCES), PA_NAMEREG_SOURCE); + + if (!sink && !source) + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "Parent")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_object(r, NULL, sink ? OBJECT_SINKS : OBJECT_SOURCES); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaObject1", "DisplayName")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_string(r, NULL, pa_strna(pa_proplist_gets(sink ? sink->proplist : source->proplist, PA_PROP_DEVICE_DESCRIPTION))); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaObject1")) { + DBusMessageIter iter, sub; + + pa_assert_se(r = dbus_message_new_method_return(m)); + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_object(r, &sub, "Parent", sink ? OBJECT_SINKS : OBJECT_SOURCES); + append_property_dict_entry_string(r, &sub, "DisplayName", pa_strna(pa_proplist_gets(sink ? sink->proplist : source->proplist, PA_PROP_DEVICE_DESCRIPTION))); + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaItem1", "Type")) { + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_string(r, NULL, "audio"); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaItem1", "MIMEType")) { + char *t; + + if (sink) + t = pa_sample_spec_to_mime_type_mimefy(&sink->sample_spec, &sink->channel_map); + else + t = pa_sample_spec_to_mime_type_mimefy(&source->sample_spec, &source->channel_map); + + pa_assert_se(r = dbus_message_new_method_return(m)); + append_variant_string(r, NULL, t); + pa_xfree(t); + + } else if (message_is_property_get(m, "org.gnome.UPnP.MediaItem1", "URLs")) { + DBusMessageIter iter, sub, array; + char *url; + + pa_assert_se(r = dbus_message_new_method_return(m)); + + dbus_message_iter_init_append(r, &iter); + + url = compute_url(u, sink ? sink->monitor_source->name : source->name); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, "as", &sub)); + pa_assert_se(dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "s", &array)); + pa_assert_se(dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING, &url)); + pa_assert_se(dbus_message_iter_close_container(&sub, &array)); + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + pa_xfree(url); + + } else if (message_is_property_get_all(m, "org.gnome.UPnP.MediaItem1")) { + DBusMessageIter iter, sub, dict, variant, array; + char *url, *t; + const char *un = "URLs"; + + pa_assert_se(r = dbus_message_new_method_return(m)); + dbus_message_iter_init_append(r, &iter); + + pa_assert_se(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &sub)); + append_property_dict_entry_string(r, &sub, "Type", "audio"); + + if (sink) + t = pa_sample_spec_to_mime_type_mimefy(&sink->sample_spec, &sink->channel_map); + else + t = pa_sample_spec_to_mime_type_mimefy(&source->sample_spec, &source->channel_map); + + append_property_dict_entry_string(r, &sub, "MIMEType", t); + pa_xfree(t); + + pa_assert_se(dbus_message_iter_open_container(&sub, DBUS_TYPE_DICT_ENTRY, NULL, &dict)); + pa_assert_se(dbus_message_iter_append_basic(&dict, DBUS_TYPE_STRING, &un)); + + url = compute_url(u, sink ? sink->monitor_source->name : source->name); + + pa_assert_se(dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT, "as", &variant)); + pa_assert_se(dbus_message_iter_open_container(&variant, DBUS_TYPE_ARRAY, "s", &array)); + pa_assert_se(dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING, &url)); + pa_assert_se(dbus_message_iter_close_container(&variant, &array)); + pa_assert_se(dbus_message_iter_close_container(&dict, &variant)); + pa_assert_se(dbus_message_iter_close_container(&sub, &dict)); + + pa_xfree(url); + + pa_assert_se(dbus_message_iter_close_container(&iter, &sub)); + + } else if (dbus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) { + const char *xml = + ITEM_INTROSPECT_XML; + + pa_assert_se(r = dbus_message_new_method_return(m)); + pa_assert_se(dbus_message_append_args( + r, + DBUS_TYPE_STRING, &xml, + DBUS_TYPE_INVALID)); + + } else + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + } + + if (r) { + pa_assert_se(dbus_connection_send(pa_dbus_connection_get(u->bus), r, NULL)); + dbus_message_unref(r); + } + + return DBUS_HANDLER_RESULT_HANDLED; +} + +int pa__init(pa_module *m) { + + struct userdata *u; + pa_modargs *ma = NULL; + DBusError error; + const char *t; + + static const DBusObjectPathVTable vtable_root = { + .message_function = root_handler, + }; + static const DBusObjectPathVTable vtable_sinks_and_sources = { + .message_function = sinks_and_sources_handler, + }; + + dbus_error_init(&error); + + if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { + pa_log("Failed to parse module arguments."); + goto fail; + } + + m->userdata = u = pa_xnew0(struct userdata, 1); + u->core = m->core; + u->module = m; + u->http = pa_http_protocol_get(u->core); + + if ((t = pa_modargs_get_value(ma, "display_name", NULL))) + u->display_name = pa_utf8_filter(t); + else + u->display_name = pa_xstrdup(_("Audio on @HOSTNAME@")); + + u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE, (pa_hook_cb_t) source_new_or_unlink_cb, u); + u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) source_new_or_unlink_cb, u); + + if (!(u->bus = pa_dbus_bus_get(m->core, DBUS_BUS_SESSION, &error))) { + pa_log("Failed to get session bus connection: %s", error.message); + goto fail; + } + + pa_assert_se(dbus_connection_register_object_path(pa_dbus_connection_get(u->bus), OBJECT_ROOT, &vtable_root, u)); + pa_assert_se(dbus_connection_register_fallback(pa_dbus_connection_get(u->bus), OBJECT_SINKS, &vtable_sinks_and_sources, u)); + pa_assert_se(dbus_connection_register_fallback(pa_dbus_connection_get(u->bus), OBJECT_SOURCES, &vtable_sinks_and_sources, u)); + + if (dbus_bus_request_name(pa_dbus_connection_get(u->bus), SERVICE_NAME, DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { + pa_log("Failed to request service name " SERVICE_NAME ": %s", error.message); + goto fail; + } + + u->got_name = TRUE; + + pa_modargs_free(ma); + + return 0; + +fail: + pa__done(m); + + if (ma) + pa_modargs_free(ma); + + dbus_error_free(&error); + + return -1; +} + +void pa__done(pa_module*m) { + struct userdata*u; + pa_assert(m); + + if (!(u = m->userdata)) + return; + + if (u->source_new_slot) + pa_hook_slot_free(u->source_new_slot); + if (u->source_unlink_slot) + pa_hook_slot_free(u->source_unlink_slot); + + if (u->bus) { + DBusError error; + + dbus_error_init(&error); + + dbus_connection_unregister_object_path(pa_dbus_connection_get(u->bus), OBJECT_ROOT); + dbus_connection_unregister_object_path(pa_dbus_connection_get(u->bus), OBJECT_SINKS); + dbus_connection_unregister_object_path(pa_dbus_connection_get(u->bus), OBJECT_SOURCES); + + if (u->got_name) { + if (dbus_bus_release_name(pa_dbus_connection_get(u->bus), SERVICE_NAME, &error) != DBUS_RELEASE_NAME_REPLY_RELEASED) { + pa_log("Failed to release service name " SERVICE_NAME ": %s", error.message); + dbus_error_free(&error); + } + } + + pa_dbus_connection_unref(u->bus); + } + + pa_xfree(u->display_name); + + if (u->http) + pa_http_protocol_unref(u->http); + + pa_xfree(u); +} |