[pulseaudio-discuss] [PATCH 19/19] dbus: Add card profile availability info to API

David Henningsson david.henningsson at canonical.com
Thu May 21 01:46:24 PDT 2015


This patch looks broken: Profile availability is not a boolean, it's a 
tristate (yes/no/unkown).

On 2015-03-19 12:51, Juho Hämäläinen wrote:
> ---
>
> Noticed that profile availability was missing from D-Bus API so added while
> at it. Didn't check whether there was other stuff missing elsewhere as well.
>
>
>   src/modules/dbus/iface-card-profile.c | 19 +++++++++++++
>   src/modules/dbus/iface-card.c         | 51 ++++++++++++++++++++++++++++++-----
>   2 files changed, 64 insertions(+), 6 deletions(-)
>
> diff --git a/src/modules/dbus/iface-card-profile.c b/src/modules/dbus/iface-card-profile.c
> index e39c24d..f8ae846 100644
> --- a/src/modules/dbus/iface-card-profile.c
> +++ b/src/modules/dbus/iface-card-profile.c
> @@ -36,6 +36,7 @@ static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void
>   static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
>   static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
>   static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata);
> +static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata);
>
>   static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
>
> @@ -53,6 +54,7 @@ enum property_handler_index {
>       PROPERTY_HANDLER_SINKS,
>       PROPERTY_HANDLER_SOURCES,
>       PROPERTY_HANDLER_PRIORITY,
> +    PROPERTY_HANDLER_AVAILABLE,
>       PROPERTY_HANDLER_MAX
>   };
>
> @@ -63,6 +65,7 @@ static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
>       [PROPERTY_HANDLER_SINKS]       = { .property_name = "Sinks",       .type = "u", .get_cb = handle_get_sinks,       .set_cb = NULL },
>       [PROPERTY_HANDLER_SOURCES]     = { .property_name = "Sources",     .type = "u", .get_cb = handle_get_sources,     .set_cb = NULL },
>       [PROPERTY_HANDLER_PRIORITY]    = { .property_name = "Priority",    .type = "u", .get_cb = handle_get_priority,    .set_cb = NULL },
> +    [PROPERTY_HANDLER_AVAILABLE]   = { .property_name = "Available",   .type = "b", .get_cb = handle_get_available,   .set_cb = NULL },
>   };
>
>   static pa_dbus_interface_info profile_interface_info = {
> @@ -145,6 +148,19 @@ static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *us
>       pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &priority);
>   }
>
> +static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata) {
> +    pa_dbusiface_card_profile *p = userdata;
> +    dbus_bool_t available;
> +
> +    pa_assert(conn);
> +    pa_assert(msg);
> +    pa_assert(p);
> +
> +    available = p->profile->available;
> +
> +    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &available);
> +}
> +
>   static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
>       pa_dbusiface_card_profile *p = userdata;
>       DBusMessage *reply = NULL;
> @@ -153,6 +169,7 @@ static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdat
>       dbus_uint32_t sinks = 0;
>       dbus_uint32_t sources = 0;
>       dbus_uint32_t priority = 0;
> +    dbus_bool_t available;
>
>       pa_assert(conn);
>       pa_assert(msg);
> @@ -161,6 +178,7 @@ static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdat
>       sinks = p->profile->n_sinks;
>       sources = p->profile->n_sources;
>       priority = p->profile->priority;
> +    available = p->profile->available;
>
>       pa_assert_se((reply = dbus_message_new_method_return(msg)));
>
> @@ -173,6 +191,7 @@ static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdat
>       pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_UINT32, &sinks);
>       pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_UINT32, &sources);
>       pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PRIORITY].property_name, DBUS_TYPE_UINT32, &priority);
> +    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_AVAILABLE].property_name, DBUS_TYPE_BOOLEAN, &available);
>
>       pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
>
> diff --git a/src/modules/dbus/iface-card.c b/src/modules/dbus/iface-card.c
> index d0f13c9..f673a5f 100644
> --- a/src/modules/dbus/iface-card.c
> +++ b/src/modules/dbus/iface-card.c
> @@ -60,6 +60,7 @@ struct pa_dbusiface_card {
>
>       pa_hook_slot *card_profile_added_slot;
>       pa_hook_slot *card_profile_changed_slot;
> +    pa_hook_slot *card_profile_available_slot;
>
>       pa_dbus_protocol *dbus_protocol;
>   };
> @@ -107,18 +108,22 @@ static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
>   enum signal_index {
>       SIGNAL_ACTIVE_PROFILE_UPDATED,
>       SIGNAL_NEW_PROFILE,
> +    SIGNAL_PROFILE_AVAILABLE_CHANGED,
>       SIGNAL_PROPERTY_LIST_UPDATED,
>       SIGNAL_MAX
>   };
>
> -static pa_dbus_arg_info active_profile_updated_args[] = { { "profile",       "o",      NULL } };
> -static pa_dbus_arg_info new_profile_args[] =            { { "profile",       "o",      NULL } };
> -static pa_dbus_arg_info property_list_updated_args[] =  { { "property_list", "a{say}", NULL } };
> +static pa_dbus_arg_info active_profile_updated_args[]    = { { "profile",       "o",      NULL } };
> +static pa_dbus_arg_info new_profile_args[]               = { { "profile",       "o",      NULL } };
> +static pa_dbus_arg_info profile_available_changed_args[] = { { "profile",       "o",      NULL },
> +                                                             { "available",     "b",      NULL } };
> +static pa_dbus_arg_info property_list_updated_args[]     = { { "property_list", "a{say}", NULL } };
>
>   static pa_dbus_signal_info signals[SIGNAL_MAX] = {
> -    [SIGNAL_ACTIVE_PROFILE_UPDATED] = { .name = "ActiveProfileUpdated", .arguments = active_profile_updated_args, .n_arguments = 1 },
> -    [SIGNAL_NEW_PROFILE]            = { .name = "NewProfile",           .arguments = new_profile_args,            .n_arguments = 1 },
> -    [SIGNAL_PROPERTY_LIST_UPDATED]  = { .name = "PropertyListUpdated",  .arguments = property_list_updated_args,  .n_arguments = 1 }
> +    [SIGNAL_ACTIVE_PROFILE_UPDATED]     = { .name = "ActiveProfileUpdated",     .arguments = active_profile_updated_args,    .n_arguments = 1 },
> +    [SIGNAL_NEW_PROFILE]                = { .name = "NewProfile",               .arguments = new_profile_args,               .n_arguments = 1 },
> +    [SIGNAL_PROFILE_AVAILABLE_CHANGED]  = { .name = "ProfileAvailableChanged",  .arguments = profile_available_changed_args, .n_arguments = 2 },
> +    [SIGNAL_PROPERTY_LIST_UPDATED]      = { .name = "PropertyListUpdated",      .arguments = property_list_updated_args,     .n_arguments = 1 }
>   };
>
>   static pa_dbus_interface_info card_interface_info = {
> @@ -507,6 +512,37 @@ static pa_hook_result_t card_profile_added_cb(void *hook_data, void *call_data,
>       return PA_HOOK_OK;
>   }
>
> +static pa_hook_result_t card_profile_available_changed_cb(void *hook_data, void *call_data, void *slot_data) {
> +    pa_dbusiface_card *c = slot_data;
> +    pa_card_profile *profile = call_data;
> +    pa_dbusiface_card_profile *p;
> +    const char *object_path;
> +    dbus_bool_t available;
> +    DBusMessage *signal_msg;
> +
> +    if (profile->card != c->card)
> +        return PA_HOOK_OK;
> +
> +    pa_assert_se((p = pa_hashmap_get(c->profiles, profile->name)));
> +
> +    object_path = pa_dbusiface_card_profile_get_path(p);
> +    available = profile->available;
> +
> +    pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
> +                                                      PA_DBUSIFACE_CARD_INTERFACE,
> +                                                      signals[SIGNAL_PROFILE_AVAILABLE_CHANGED].name));
> +    pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path,
> +                                                      DBUS_TYPE_BOOLEAN, &available,
> +                                                      DBUS_TYPE_INVALID));
> +
> +    pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
> +    dbus_message_unref(signal_msg);
> +
> +    check_card_proplist(c);
> +
> +    return PA_HOOK_OK;
> +}
> +
>   pa_dbusiface_card *pa_dbusiface_card_new(pa_dbusiface_core *core, pa_card *card) {
>       pa_dbusiface_card *c = NULL;
>       pa_card_profile *profile;
> @@ -537,6 +573,8 @@ pa_dbusiface_card *pa_dbusiface_card_new(pa_dbusiface_core *core, pa_card *card)
>                                                      card_profile_changed_cb, c);
>       c->card_profile_added_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_ADDED], PA_HOOK_NORMAL,
>                                                    card_profile_added_cb, c);
> +    c->card_profile_available_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_AVAILABLE_CHANGED], PA_HOOK_NORMAL,
> +                                                     card_profile_available_changed_cb, c);
>
>       return c;
>   }
> @@ -548,6 +586,7 @@ void pa_dbusiface_card_free(pa_dbusiface_card *c) {
>
>       pa_hook_slot_free(c->card_profile_added_slot);
>       pa_hook_slot_free(c->card_profile_changed_slot);
> +    pa_hook_slot_free(c->card_profile_available_slot);
>
>       pa_hashmap_free(c->profiles);
>       pa_proplist_free(c->proplist);
>

-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic


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