/
dbusif.c
1123 lines (885 loc) · 35.4 KB
/
dbusif.c
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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulsecore/dbus-shared.h>
#include <pulsecore/core-util.h>
#include "userdata.h"
#include "dbusif.h"
#include "classify.h"
#include "context.h"
#include "policy-group.h"
#include "sink-ext.h"
#include "source-ext.h"
#include "card-ext.h"
#include "sink-input-ext.h"
#define ADMIN_DBUS_MANAGER "org.freedesktop.DBus"
#define ADMIN_DBUS_PATH "/org/freedesktop/DBus"
#define ADMIN_DBUS_INTERFACE "org.freedesktop.DBus"
#define ADMIN_NAME_OWNER_CHANGED "NameOwnerChanged"
#define POLICY_DBUS_INTERFACE "com.nokia.policy"
#define POLICY_DBUS_MYPATH "/com/nokia/policy/enforce/pulseaudio"
#define POLICY_DBUS_MYNAME "com.nokia.policy.pulseaudio"
#define POLICY_DBUS_PDPATH "/com/nokia/policy"
#define POLICY_DBUS_PDNAME "org.freedesktop.ohm"
#define POLICY_DECISION "decision"
#define POLICY_STREAM_INFO "stream_info"
#define POLICY_ACTIONS "audio_actions"
#define POLICY_STATUS "status"
#define PROP_ROUTE_SINK_TARGET "policy.sink_route.target"
#define PROP_ROUTE_SINK_MODE "policy.sink_route.mode"
#define PROP_ROUTE_SINK_HWID "policy.sink_route.hwid"
#define PROP_ROUTE_SOURCE_TARGET "policy.source_route.target"
#define PROP_ROUTE_SOURCE_MODE "policy.source_route.mode"
#define PROP_ROUTE_SOURCE_HWID "policy.source_route.hwid"
#define STRUCT_OFFSET(s,m) ((char *)&(((s *)0)->m) - (char *)0)
#define MAX_ROUTING_DECISIONS 2
struct routing_decision { /* temporary storage for routing decision information */
enum pa_policy_route_class class;
char *target;
char *mode;
char *hwid;
};
struct pa_policy_dbusif {
pa_dbus_connection *conn;
DBusPendingCall *pending_pdp_registration;
char *ifnam; /* signal interface */
char *mypath; /* my signal path */
char *pdpath; /* policy daemon's signal path */
char *pdnam; /* policy daemon's D-Bus name */
char *admrule; /* match rule to catch name changes */
char *actrule; /* match rule to catch action signals */
char *strrule; /* match rule to catch stream info signals */
int regist; /* wheter or not registered to policy daemon*/
int re_regist;
bool route_sources_first;
};
struct actdsc { /* action descriptor */
const char *name;
int (*parser)(struct userdata *u, DBusMessageIter *iter);
};
struct argdsc { /* argument descriptor for actions */
const char *name;
int offs;
int type;
};
struct argrt { /* audio_route arguments */
char *type;
char *device;
char *mode;
char *hwid;
};
struct argvol { /* volume_limit arguments */
char *group;
int32_t limit;
};
struct argcork { /* audio_cork arguments */
char *group;
char *cork;
};
struct argmute {
char *device;
char *mute;
};
struct argctx { /* context arguments */
char *variable;
char *value;
};
static int action_parser(DBusMessageIter *, struct argdsc *, void *, int);
static int audio_route_parser(struct userdata *, DBusMessageIter *);
static int volume_limit_parser(struct userdata *, DBusMessageIter *);
static int audio_cork_parser(struct userdata *, DBusMessageIter *);
static int audio_mute_parser(struct userdata *, DBusMessageIter *);
static int context_parser(struct userdata *, DBusMessageIter *);
static DBusHandlerResult filter(DBusConnection *, DBusMessage *, void *);
static void handle_admin_message(struct userdata *, DBusMessage *);
static void handle_info_message(struct userdata *, DBusMessage *);
static void handle_action_message(struct userdata *, DBusMessage *);
static void registration_cb(DBusPendingCall *, void *);
static int register_to_pdp(struct pa_policy_dbusif *, struct userdata *);
static int signal_status(struct userdata *, uint32_t, uint32_t);
static void pa_policy_free_dbusif(struct pa_policy_dbusif *,struct userdata *);
struct pa_policy_dbusif *pa_policy_dbusif_init(struct userdata *u,
const char *ifnam,
const char *mypath,
const char *pdpath,
const char *pdnam,
bool route_sources_first)
{
pa_module *m = u->module;
struct pa_policy_dbusif *dbusif = NULL;
DBusConnection *dbusconn;
DBusError error;
char actrule[512];
char strrule[512];
char admrule[512];
dbusif = pa_xnew0(struct pa_policy_dbusif, 1);
dbusif->route_sources_first = route_sources_first;
dbus_error_init(&error);
dbusif->conn = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &error);
if (dbusif->conn == NULL || dbus_error_is_set(&error)) {
pa_log("failed to get SYSTEM Bus: %s: %s", error.name, error.message);
goto fail;
}
dbusconn = pa_dbus_connection_get(dbusif->conn);
#if 0
flags = DBUS_NAME_FLAG_REPLACE_EXISTING | DBUS_NAME_FLAG_DO_NOT_QUEUE;
result = dbus_bus_request_name(dbusconn, POLICY_DBUS_MYNAME, flags,&error);
if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER &&
result != DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER ) {
pa_log("D-Bus name request failed: %s: %s", error.name, error.message);
goto fail;
}
#endif
if (!dbus_connection_add_filter(dbusconn, filter,u, NULL)) {
pa_log("failed to add filter function");
goto fail;
}
if (!ifnam)
ifnam = POLICY_DBUS_INTERFACE;
if (!mypath)
mypath = POLICY_DBUS_MYPATH;
if (!pdpath)
pdpath = POLICY_DBUS_PDPATH;
if (!pdnam)
pdnam = POLICY_DBUS_PDNAME;
snprintf(admrule, sizeof(admrule), "type='signal',sender='%s',path='%s',"
"interface='%s',member='%s',arg0='%s'", ADMIN_DBUS_MANAGER,
ADMIN_DBUS_PATH, ADMIN_DBUS_INTERFACE, ADMIN_NAME_OWNER_CHANGED,
pdnam);
dbus_bus_add_match(dbusconn, admrule, &error);
if (dbus_error_is_set(&error)) {
pa_log("unable to subscribe name change signals on %s: %s: %s",
ADMIN_DBUS_INTERFACE, error.name, error.message);
goto fail;
}
snprintf(actrule, sizeof(actrule), "type='signal',interface='%s',"
"member='%s',path='%s/%s'", ifnam, POLICY_ACTIONS,
pdpath, POLICY_DECISION);
dbus_bus_add_match(dbusconn, actrule, &error);
if (dbus_error_is_set(&error)) {
pa_log("unable to subscribe policy %s signal on %s: %s: %s",
POLICY_ACTIONS, ifnam, error.name, error.message);
goto fail;
}
snprintf(strrule, sizeof(strrule), "type='signal',interface='%s',"
"member='%s',path='%s/%s'", ifnam, POLICY_STREAM_INFO,
pdpath, POLICY_DECISION);
dbus_bus_add_match(dbusconn, strrule, &error);
if (dbus_error_is_set(&error)) {
pa_log("unable to subscribe policy %s signal on %s: %s: %s",
POLICY_STREAM_INFO, ifnam, error.name, error.message);
goto fail;
}
pa_log_info("subscribed policy signals on %s", ifnam);
dbusif->ifnam = pa_xstrdup(ifnam);
dbusif->mypath = pa_xstrdup(mypath);
dbusif->pdpath = pa_xstrdup(pdpath);
dbusif->pdnam = pa_xstrdup(pdnam);
dbusif->admrule = pa_xstrdup(admrule);
dbusif->actrule = pa_xstrdup(actrule);
dbusif->strrule = pa_xstrdup(strrule);
register_to_pdp(dbusif, u);
return dbusif;
fail:
pa_policy_free_dbusif(dbusif, u);
dbus_error_free(&error);
return NULL;
}
static void pa_policy_free_dbusif(struct pa_policy_dbusif *dbusif,
struct userdata *u)
{
DBusConnection *dbusconn;
if (!dbusif)
return;
if (dbusif->pending_pdp_registration) {
pa_log_debug("While freeing dbusif, the policy decision point "
"registration seems to be still pending. Canceling "
"the pending call.");
dbus_pending_call_cancel(dbusif->pending_pdp_registration);
dbus_pending_call_unref(dbusif->pending_pdp_registration);
}
if (dbusif->conn) {
dbusconn = pa_dbus_connection_get(dbusif->conn);
if (u)
dbus_connection_remove_filter(dbusconn, filter, u);
dbus_bus_remove_match(dbusconn, dbusif->admrule, NULL);
dbus_bus_remove_match(dbusconn, dbusif->actrule, NULL);
dbus_bus_remove_match(dbusconn, dbusif->strrule, NULL);
pa_dbus_connection_unref(dbusif->conn);
}
pa_xfree(dbusif->ifnam);
pa_xfree(dbusif->mypath);
pa_xfree(dbusif->pdpath);
pa_xfree(dbusif->pdnam);
pa_xfree(dbusif->admrule);
pa_xfree(dbusif->actrule);
pa_xfree(dbusif->strrule);
pa_xfree(dbusif);
}
void pa_policy_dbusif_done(struct userdata *u)
{
if (u) {
pa_policy_free_dbusif(u->dbusif, u);
}
}
void pa_policy_dbusif_send_device_state(struct userdata *u, const char *state,
const char **types, int ntype)
{
const char *path = "/com/nokia/policy/info";
struct pa_policy_dbusif *dbusif = u->dbusif;
DBusConnection *conn = pa_dbus_connection_get(dbusif->conn);
DBusMessage *msg;
DBusMessageIter mit;
DBusMessageIter dit;
int i;
int sts;
if (!types || ntype < 1)
return;
msg = dbus_message_new_signal(path, dbusif->ifnam, "info");
if (msg == NULL) {
pa_log("failed to make new info message");
goto fail;
}
dbus_message_iter_init_append(msg, &mit);
if (!dbus_message_iter_append_basic(&mit, DBUS_TYPE_STRING, &state) ||
!dbus_message_iter_open_container(&mit, DBUS_TYPE_ARRAY,"s", &dit)){
pa_log("failed to build info message");
goto fail;
}
for (i = 0; i < ntype; i++) {
if (!dbus_message_iter_append_basic(&dit, DBUS_TYPE_STRING,&types[i])){
pa_log("failed to build info message");
goto fail;
}
}
dbus_message_iter_close_container(&mit, &dit);
sts = dbus_connection_send(conn, msg, NULL);
if (!sts) {
pa_log("Can't send info message: out of memory");
}
fail:
dbus_message_unref(msg); /* should cope with NULL msg */
}
void pa_policy_dbusif_send_media_status(struct userdata *u, const char *media,
const char *group, int active)
{
const char *path = "/com/nokia/policy/info";
const char *type = "media";
struct pa_policy_dbusif *dbusif = u->dbusif;
DBusConnection *conn = pa_dbus_connection_get(dbusif->conn);
DBusMessage *msg;
const char *state;
int success;
msg = dbus_message_new_signal(path, dbusif->ifnam, "info");
if (msg == NULL)
pa_log("failed to make new info message");
else {
state = active ? "active" : "inactive";
success = dbus_message_append_args(msg,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &media,
DBUS_TYPE_STRING, &group,
DBUS_TYPE_STRING, &state,
DBUS_TYPE_INVALID);
if (!success)
pa_log("Can't build D-Bus info message");
else {
if (!dbus_connection_send(conn, msg, NULL)) {
pa_log("Can't send info message: out of memory");
}
}
dbus_message_unref(msg);
}
}
static DBusHandlerResult filter(DBusConnection *conn, DBusMessage *msg,
void *arg)
{
struct userdata *u = arg;
if (dbus_message_is_signal(msg, ADMIN_DBUS_INTERFACE,
ADMIN_NAME_OWNER_CHANGED))
{
handle_admin_message(u, msg);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (dbus_message_is_signal(msg, POLICY_DBUS_INTERFACE,POLICY_STREAM_INFO)){
handle_info_message(u, msg);
return DBUS_HANDLER_RESULT_HANDLED;
}
if (dbus_message_is_signal(msg, POLICY_DBUS_INTERFACE, POLICY_ACTIONS)) {
handle_action_message(u, msg);
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static void handle_admin_message(struct userdata *u, DBusMessage *msg)
{
struct pa_policy_dbusif *dbusif;
char *name;
char *before;
char *after;
int success;
pa_assert(u);
pa_assert_se((dbusif = u->dbusif));
success = dbus_message_get_args(msg, NULL,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &before,
DBUS_TYPE_STRING, &after,
DBUS_TYPE_INVALID);
if (!success || !name) {
pa_log("Received malformed '%s' message", ADMIN_NAME_OWNER_CHANGED);
return;
}
if (strcmp(name, dbusif->pdnam)) {
return;
}
if (after && strcmp(after, "")) {
pa_log_debug("policy decision point is up");
if (!dbusif->regist) {
dbusif->re_regist = 1;
register_to_pdp(dbusif, u);
}
}
if (name && before && (!after || !strcmp(after, ""))) {
pa_log_info("policy decision point is gone");
dbusif->regist = 0;
}
}
static void handle_info_message(struct userdata *u, DBusMessage *msg)
{
dbus_uint32_t txid;
dbus_uint32_t pid;
char *oper;
char *group;
char *arg;
char *method_str;
char *prop;
int success;
enum pa_classify_method method = pa_method_unknown;
success = dbus_message_get_args(msg, NULL,
DBUS_TYPE_UINT32, &txid,
DBUS_TYPE_STRING, &oper,
DBUS_TYPE_STRING, &group,
DBUS_TYPE_UINT32, &pid,
DBUS_TYPE_STRING, &arg,
DBUS_TYPE_STRING, &method_str,
DBUS_TYPE_STRING, &prop,
DBUS_TYPE_INVALID);
if (!success) {
pa_log("failed to parse info message");
return;
}
if (arg && method_str) {
switch (method_str[0]) {
case 'e':
if (!strcmp(method_str, "equals"))
method = pa_method_equals;
break;
case 's':
if (!strcmp(method_str, "startswith"))
method = pa_method_startswith;
break;
case 'm':
if (!strcmp(method_str, "matches"))
method = pa_method_matches;
break;
case 't':
if (!strcmp(method_str, "true"))
method = pa_method_true;
break;
default:
method = pa_method_unknown;
break;
}
}
if (arg && !strcmp(arg, "*"))
method = pa_method_true;
if (!strcmp(oper, "register")) {
if (pa_policy_group_find(u, group) == NULL) {
pa_log_debug("register client (%s|%u) failed: unknown group",
group, pid);
}
else {
pa_log_debug("register client (%s|%u)", group, pid);
pa_classify_register_pid(u, (pid_t)pid, prop, method, arg, group);
pa_sink_input_ext_rediscover(u);
}
}
else if (!strcmp(oper, "unregister")) {
pa_log_debug("unregister client (%s|%u)", group, pid);
pa_classify_unregister_pid(u, (pid_t)pid, prop, method, arg);
}
else {
pa_log("invalid operation: '%s'", oper);
}
}
static void handle_action_message(struct userdata *u, DBusMessage *msg)
{
static struct actdsc actions[] = {
{ "com.nokia.policy.audio_route" , audio_route_parser },
{ "com.nokia.policy.volume_limit", volume_limit_parser },
{ "com.nokia.policy.audio_cork" , audio_cork_parser },
{ "com.nokia.policy.audio_mute" , audio_mute_parser },
{ "com.nokia.policy.context" , context_parser },
{ NULL , NULL }
};
struct actdsc *act;
dbus_uint32_t txid;
char *actname;
DBusMessageIter msgit;
DBusMessageIter arrit;
DBusMessageIter entit;
DBusMessageIter actit;
int success = true;
pa_log_debug("got policy actions");
dbus_message_iter_init(msg, &msgit);
if (dbus_message_iter_get_arg_type(&msgit) != DBUS_TYPE_UINT32)
return;
dbus_message_iter_get_basic(&msgit, (void *)&txid);
pa_log_debug("got actions (txid:%d)", txid);
if (!dbus_message_iter_next(&msgit) ||
dbus_message_iter_get_arg_type(&msgit) != DBUS_TYPE_ARRAY) {
success = false;
goto send_signal;
}
dbus_message_iter_recurse(&msgit, &arrit);
do {
if (dbus_message_iter_get_arg_type(&arrit) != DBUS_TYPE_DICT_ENTRY) {
success = false;
continue;
}
dbus_message_iter_recurse(&arrit, &entit);
do {
if (dbus_message_iter_get_arg_type(&entit) != DBUS_TYPE_STRING) {
success = false;
continue;
}
dbus_message_iter_get_basic(&entit, (void *)&actname);
if (!dbus_message_iter_next(&entit) ||
dbus_message_iter_get_arg_type(&entit) != DBUS_TYPE_ARRAY) {
success = false;
continue;
}
dbus_message_iter_recurse(&entit, &actit);
if (dbus_message_iter_get_arg_type(&actit) != DBUS_TYPE_ARRAY) {
success = false;
continue;
}
for (act = actions; act->name != NULL; act++) {
if (!strcmp(actname, act->name))
break;
}
if (act->parser != NULL)
success &= act->parser(u, &actit);
} while (dbus_message_iter_next(&entit));
} while (dbus_message_iter_next(&arrit));
pa_policy_context_variable_commit(u);
send_signal:
signal_status(u, txid, success);
}
static int action_parser(DBusMessageIter *actit, struct argdsc *descs,
void *args, int len)
{
DBusMessageIter cmdit;
DBusMessageIter argit;
DBusMessageIter valit;
struct argdsc *desc;
char *argname;
void *argval;
dbus_message_iter_recurse(actit, &cmdit);
memset(args, 0, len);
do {
if (dbus_message_iter_get_arg_type(&cmdit) != DBUS_TYPE_STRUCT)
return false;
dbus_message_iter_recurse(&cmdit, &argit);
if (dbus_message_iter_get_arg_type(&argit) != DBUS_TYPE_STRING)
return false;
dbus_message_iter_get_basic(&argit, (void *)&argname);
if (!dbus_message_iter_next(&argit))
return false;
if (dbus_message_iter_get_arg_type(&argit) != DBUS_TYPE_VARIANT)
return false;
dbus_message_iter_recurse(&argit, &valit);
for (desc = descs; desc->name != NULL; desc++) {
if (!strcmp(argname, desc->name)) {
if (desc->offs + (int)sizeof(char *) > len) {
pa_log("%s(): desc offset %d is out of range %d",
__FUNCTION__, desc->offs, len);
return false;
}
else {
if (dbus_message_iter_get_arg_type(&valit) != desc->type)
return false;
argval = (char *)args + desc->offs;
dbus_message_iter_get_basic(&valit, argval);
}
break;
}
}
} while (dbus_message_iter_next(&cmdit));
return true;
}
static int audio_route_parser(struct userdata *u, DBusMessageIter *actit)
{
static struct argdsc descs[] = {
{"type" , STRUCT_OFFSET(struct argrt, type) , DBUS_TYPE_STRING },
{"device", STRUCT_OFFSET(struct argrt, device), DBUS_TYPE_STRING },
{"mode" , STRUCT_OFFSET(struct argrt, mode), DBUS_TYPE_STRING },
{"hwid" , STRUCT_OFFSET(struct argrt, hwid), DBUS_TYPE_STRING },
{ NULL , 0 , DBUS_TYPE_INVALID}
};
struct argrt args;
pa_proplist *p = NULL;
struct routing_decision decisions[MAX_ROUTING_DECISIONS];
int num_decisions = 0;
int num_decisions_done = 0;
int i = 0;
int num_moving = 0;
bool result = true;
bool route_changed = false;
/* Parse message. It's safe to bail out here, because we're not moving any streams yet. */
do {
i = num_decisions;
num_decisions++;
if (num_decisions > MAX_ROUTING_DECISIONS) {
pa_log_error("Too many routing decisions (max %d)", MAX_ROUTING_DECISIONS);
return false;
}
if (!action_parser(actit, descs, &args, sizeof(args)))
return false;
if (args.type == NULL || args.device == NULL)
return false;
if (!strcmp(args.type, "sink"))
decisions[i].class = pa_policy_route_to_sink;
else if (!strcmp(args.type, "source"))
decisions[i].class = pa_policy_route_to_source;
else
return false;
decisions[i].target = args.device;
decisions[i].mode = (args.mode && strcmp(args.mode, "na")) ? args.mode : "";
decisions[i].hwid = (args.hwid && strcmp(args.hwid, "na")) ? args.hwid : "";
pa_log_debug("route %s to %s (%s|%s)", args.type, decisions[i].target,
decisions[i].mode,
decisions[i].hwid);
p = u->module->proplist;
if (decisions[i].class == pa_policy_route_to_sink) {
if (!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SINK_TARGET)), decisions[i].target) ||
!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SINK_MODE )), decisions[i].mode) ||
!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SINK_HWID )), decisions[i].hwid)) {
route_changed = true;
pa_log_debug("Sink route has changed");
}
} else {
if (!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SOURCE_TARGET)), decisions[i].target) ||
!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SOURCE_MODE )), decisions[i].mode) ||
!pa_streq(pa_strempty(pa_proplist_gets(p, PROP_ROUTE_SOURCE_HWID )), decisions[i].hwid)) {
route_changed = true;
pa_log_debug("Source route has changed");
}
}
} while (dbus_message_iter_next(actit));
if (!route_changed) {
pa_log_debug("New audio route is identical to the current one. No need to move streams.");
return true;
}
/* Detach groups. */
num_moving = pa_policy_group_start_move_all(u);
pa_log_debug("Policy groups moving: %d", num_moving);
if (u->dbusif->route_sources_first) {
/* Following works only if MAX_ROUTING_DECISIONS is 2, so make sure this is
* caught if the value ever changes. */
pa_assert_se(MAX_ROUTING_DECISIONS == 2);
if (num_decisions > 1 && decisions[0].class != pa_policy_route_to_source) {
struct routing_decision tmp = decisions[0];
decisions[0] = decisions[1];
decisions[1] = tmp;
}
}
/* Set profiles and ports while the groups are detached. */
for (i = 0; i < num_decisions; i++) {
p = pa_proplist_new();
if (decisions[i].class == pa_policy_route_to_sink) {
pa_proplist_sets(p, PROP_ROUTE_SINK_TARGET, decisions[i].target);
pa_proplist_sets(p, PROP_ROUTE_SINK_MODE, decisions[i].mode);
pa_proplist_sets(p, PROP_ROUTE_SINK_HWID, decisions[i].hwid);
} else {
pa_proplist_sets(p, PROP_ROUTE_SOURCE_TARGET, decisions[i].target);
pa_proplist_sets(p, PROP_ROUTE_SOURCE_MODE, decisions[i].mode);
pa_proplist_sets(p, PROP_ROUTE_SOURCE_HWID, decisions[i].hwid);
}
pa_module_update_proplist(u->module, PA_UPDATE_REPLACE, p);
pa_proplist_free(p);
if (pa_card_ext_set_profile(u, decisions[i].target) < 0 ||
(decisions[i].class == pa_policy_route_to_sink &&
pa_sink_ext_set_ports(u, decisions[i].target) < 0) ||
(decisions[i].class == pa_policy_route_to_source &&
pa_source_ext_set_ports(u, decisions[i].target) < 0))
{
result = false; /* Continue anyway to avoid leaving streams detached. */
pa_log_error("can't set profiles/ports to %s %s",
(decisions[i].class == pa_policy_route_to_sink ? "sink" : "source"),
decisions[i].target);
}
if (decisions[i].class == pa_policy_route_to_sink) {
if (pa_policy_activity_device_changed(u, decisions[i].target) < 0)
pa_log("Failed to update activity for %s", decisions[i].target);
}
}
/* Attach groups to their new positions and re-attach those that were not moved. */
for (i = 0; i < num_decisions; i++) {
int num_moved;
if ((num_moved = pa_policy_group_move_to(u, NULL, decisions[i].class,
decisions[i].target,
decisions[i].mode,
decisions[i].hwid)) < 0) {
result = false;
pa_log_error("Failed to move group %s %s %s", decisions[i].target,
decisions[i].mode,
decisions[i].hwid);
} else {
pa_log_debug("Moved %d %s groups to %s.",
num_moved,
decisions[i].class == pa_policy_route_to_sink ? "sink" : "source",
decisions[i].target);
if (num_moving == num_moved)
num_decisions_done++;
}
}
/* Test that no moving groups exist */
if (num_decisions != num_decisions_done) {
pa_log_error("Got %d routing decisions. %d decisions were incomplete.",
num_decisions, num_decisions - num_decisions_done);
pa_policy_group_assert_moving(u);
result = false;
}
return result;
}
static int volume_limit_parser(struct userdata *u, DBusMessageIter *actit)
{
static struct argdsc descs[] = {
{"group", STRUCT_OFFSET(struct argvol, group), DBUS_TYPE_STRING },
{"limit", STRUCT_OFFSET(struct argvol, limit), DBUS_TYPE_INT32 },
{ NULL , 0 , DBUS_TYPE_INVALID}
};
struct argvol args;
int success = true;
do {
if (!action_parser(actit, descs, &args, sizeof(args))) {
success = false;
break;
}
if (args.group == NULL || args.limit < 0 || args.limit > 100) {
success = false;
break;
}
pa_log_debug("volume limit (%s|%d)", args.group, args.limit);
pa_policy_group_volume_limit(u, args.group, (uint32_t)args.limit);
} while (dbus_message_iter_next(actit));
pa_sink_ext_set_volumes(u);
return success;
}
static int audio_cork_parser(struct userdata *u, DBusMessageIter *actit)
{
static struct argdsc descs[] = {
{"group", STRUCT_OFFSET(struct argcork, group), DBUS_TYPE_STRING },
{"cork" , STRUCT_OFFSET(struct argcork, cork) , DBUS_TYPE_STRING },
{ NULL , 0 , DBUS_TYPE_INVALID}
};
struct argcork args;
char *grp;
int val;
do {
if (!action_parser(actit, descs, &args, sizeof(args)))
return false;
if (args.group == NULL || args.cork == NULL)
return false;
grp = args.group;
if (!strcmp(args.cork, "corked"))
val = 1;
else if (!strcmp(args.cork, "uncorked"))
val = 0;
else
return false;
pa_log_debug("cork stream (%s|%d)", grp, val);
pa_policy_group_cork(u, grp, val);
} while (dbus_message_iter_next(actit));
return true;
}
static int audio_mute_parser(struct userdata *u, DBusMessageIter *actit)
{
static struct argdsc descs[] = {
{"device", STRUCT_OFFSET(struct argmute, device), DBUS_TYPE_STRING },
{"mute" , STRUCT_OFFSET(struct argmute, mute) , DBUS_TYPE_STRING },
{ NULL , 0 , DBUS_TYPE_INVALID}
};
struct argmute args;
char *device;
int val;
do {
if (!action_parser(actit, descs, &args, sizeof(args)))
return false;
if (args.device == NULL || args.mute == NULL)
return false;
device = args.device;
if (!strcmp(args.mute, "muted"))
val = 1;
else if (!strcmp(args.mute, "unmuted"))
val = 0;
else
return false;
pa_log_debug("mute device (%s|%d)", device, val);
pa_source_ext_set_mute(u, device, val);
} while (dbus_message_iter_next(actit));
return true;
}
static int context_parser(struct userdata *u, DBusMessageIter *actit)
{
static struct argdsc descs[] = {
{"variable", STRUCT_OFFSET(struct argctx,variable), DBUS_TYPE_STRING },
{"value" , STRUCT_OFFSET(struct argctx,value) , DBUS_TYPE_STRING },
{ NULL , 0 , DBUS_TYPE_INVALID}
};
struct argctx args;
do {
if (!action_parser(actit, descs, &args, sizeof(args)))
return false;
if (args.variable == NULL || args.value == NULL)
return false;
pa_log_debug("context (%s|%s)", args.variable, args.value);
pa_policy_context_variable_changed(u, args.variable, args.value);
} while (dbus_message_iter_next(actit));
return true;
}
static void registration_cb(DBusPendingCall *pend, void *data)
{
struct userdata *u = (struct userdata *)data;
DBusMessage *reply;
const char *error_descr;
int success;
pa_assert(u);
pa_assert(u->dbusif);
pa_assert(pend == u->dbusif->pending_pdp_registration);
reply = dbus_pending_call_steal_reply(pend);
if (!reply) {
pa_log("registartion setting failed: invalid argument");
return;
}
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
success = dbus_message_get_args(reply, NULL,
DBUS_TYPE_STRING, &error_descr,
DBUS_TYPE_INVALID);
if (!success)
error_descr = dbus_message_get_error_name(reply);
pa_log_info("registration to policy decision point failed: %s",
error_descr);
}
else {
pa_log_info("got reply to registration");
if (u->dbusif) {
u->dbusif->regist = 1;
if (u->dbusif->re_regist) {
pa_log_info("re-send device state infos to policy decision point");
pa_policy_send_device_state_full(u);
}
}
}
dbus_message_unref(reply);
dbus_pending_call_unref(pend);
u->dbusif->pending_pdp_registration = NULL;
}
static int register_to_pdp(struct pa_policy_dbusif *dbusif, struct userdata *u)
{
static const char *name = "pulseaudio";