client/player: Fix transport.acquire for linked transports

Linked (bi-directional) transports can be acquired on single D-Bus
method call which was not being handled properly by the current code
causing unexpected errors.
This commit is contained in:
Luiz Augusto von Dentz 2023-06-19 13:30:31 -07:00
parent 0053bc5472
commit 8f525dbccd

View File

@ -72,11 +72,11 @@ struct endpoint {
struct iovec *caps;
struct iovec *meta;
bool auto_accept;
bool acquiring;
uint8_t max_transports;
uint8_t iso_group;
uint8_t iso_stream;
char *transport;
struct queue *acquiring;
struct queue *transports;
DBusMessage *msg;
struct preset *preset;
bool broadcast;
@ -1075,8 +1075,6 @@ static DBusMessage *endpoint_set_configuration(DBusConnection *conn,
bt_shell_printf("\tTransport %s\n", path);
print_iter("\t", "Properties", &props);
free(ep->transport);
if (!ep->max_transports) {
bt_shell_printf("Maximum transports reached: rejecting\n");
return g_dbus_create_error(msg,
@ -1086,7 +1084,10 @@ static DBusMessage *endpoint_set_configuration(DBusConnection *conn,
ep->max_transports--;
ep->transport = strdup(path);
if (!ep->transports)
ep->transports = queue_new();
queue_push_tail(ep->transports, strdup(path));
if (ep->auto_accept) {
bt_shell_printf("Auto Accepting...\n");
@ -2030,16 +2031,26 @@ static DBusMessage *endpoint_select_properties(DBusConnection *conn,
return reply;
}
static bool match_str(const void *data, const void *user_data)
{
return !strcmp(data, user_data);
}
static DBusMessage *endpoint_clear_configuration(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct endpoint *ep = user_data;
DBusMessageIter args;
const char *path;
dbus_message_iter_init(msg, &args);
dbus_message_iter_get_basic(&args, &path);
if (ep->max_transports != UINT8_MAX)
ep->max_transports++;
free(ep->transport);
ep->transport = NULL;
queue_remove_if(ep->transports, match_str, (void *)path);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
@ -2128,6 +2139,9 @@ static void endpoint_free(void *data)
free(ep->preset);
}
queue_destroy(ep->acquiring, NULL);
queue_destroy(ep->transports, free);
g_free(ep->path);
g_free(ep->uuid);
g_free(ep);
@ -3431,14 +3445,14 @@ static struct endpoint *find_ep_by_transport(const char *path)
for (l = local_endpoints; l; l = g_list_next(l)) {
struct endpoint *ep = l->data;
if (ep->transport && !strcmp(ep->transport, path))
if (queue_find(ep->transports, match_str, path))
return ep;
}
return NULL;
}
static struct endpoint *find_link_by_proxy(GDBusProxy *proxy)
static GDBusProxy *find_link_by_proxy(GDBusProxy *proxy)
{
DBusMessageIter iter, array;
@ -3450,13 +3464,13 @@ static struct endpoint *find_link_by_proxy(GDBusProxy *proxy)
while (dbus_message_iter_get_arg_type(&array) ==
DBUS_TYPE_OBJECT_PATH) {
const char *transport;
struct endpoint *link;
dbus_message_iter_get_basic(&array, &transport);
link = find_ep_by_transport(transport);
if (link)
return link;
proxy = g_dbus_proxy_lookup(transports, NULL, transport,
BLUEZ_MEDIA_TRANSPORT_INTERFACE);
if (proxy)
return proxy;
}
return NULL;
@ -3543,21 +3557,49 @@ static void transport_new(GDBusProxy *proxy, int sk, uint16_t mtu[2])
queue_push_tail(ios, transport);
}
static void ep_set_acquiring(struct endpoint *ep, GDBusProxy *proxy, bool value)
{
bt_shell_printf("Transport %s %s\n", g_dbus_proxy_get_path(proxy),
value ? "acquiring" : "acquiring complete");
if (value && !ep->acquiring)
ep->acquiring = queue_new();
if (value)
queue_push_tail(ep->acquiring, proxy);
else
queue_remove(ep->acquiring, proxy);
}
static void transport_set_acquiring(GDBusProxy *proxy, bool value)
{
struct endpoint *ep;
GDBusProxy *link;
ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy));
if (!ep)
return;
ep_set_acquiring(ep, proxy, value);
link = find_link_by_proxy(proxy);
if (link) {
ep = find_ep_by_transport(g_dbus_proxy_get_path(link));
if (!ep)
return;
ep_set_acquiring(ep, link, value);
}
}
static void acquire_reply(DBusMessage *message, void *user_data)
{
GDBusProxy *proxy = user_data;
struct endpoint *ep, *link;
DBusError error;
int sk;
uint16_t mtu[2];
ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy));
if (ep) {
ep->acquiring = false;
link = find_link_by_proxy(proxy);
if (link)
link->acquiring = false;
}
transport_set_acquiring(proxy, false);
dbus_error_init(&error);
@ -3586,33 +3628,61 @@ static void acquire_reply(DBusMessage *message, void *user_data)
return bt_shell_noninteractive_quit(EXIT_FAILURE);
}
static void transport_acquire(const char *input, void *user_data)
static void prompt_acquire(const char *input, void *user_data)
{
GDBusProxy *proxy = user_data;
struct endpoint *ep, *link;
if (!strcasecmp(input, "y") || !strcasecmp(input, "yes")) {
if (g_dbus_proxy_method_call(proxy, "Acquire", NULL,
acquire_reply, proxy, NULL))
acquire_reply, proxy, NULL)) {
transport_set_acquiring(proxy, true);
return;
}
bt_shell_printf("Failed acquire transport\n");
}
}
/* Reset acquiring */
static void transport_acquire(GDBusProxy *proxy, bool prompt)
{
struct endpoint *ep;
GDBusProxy *link;
/* only attempt to acquire if transport is configured with a local
* endpoint.
*/
ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy));
if (ep) {
ep->acquiring = false;
link = find_link_by_proxy(proxy);
if (link)
link->acquiring = false;
if (!ep || queue_find(ep->acquiring, NULL, proxy))
return;
link = find_link_by_proxy(proxy);
if (link) {
ep = find_ep_by_transport(g_dbus_proxy_get_path(link));
/* if link already acquiring wait it to be complete */
if (!ep || queue_find(ep->acquiring, NULL, link))
return;
}
if (ep->auto_accept || !prompt) {
if (!prompt)
bt_shell_printf("auto acquiring...\n");
if (!g_dbus_proxy_method_call(proxy, "Acquire", NULL,
acquire_reply, proxy, NULL)) {
bt_shell_printf("failed acquire transport\n");
return;
}
transport_set_acquiring(proxy, true);
return;
}
bt_shell_prompt_input(g_dbus_proxy_get_path(proxy), "acquire (yes/no):",
prompt_acquire, proxy);
}
static void transport_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter)
{
char *str;
struct endpoint *ep, *link;
str = proxy_description(proxy, "Transport", COLORED_CHG);
print_iter(str, name, iter);
@ -3626,38 +3696,7 @@ static void transport_property_changed(GDBusProxy *proxy, const char *name,
if (strcmp(str, "pending"))
return;
/* Only attempt to acquire if transport is configured with a local
* endpoint.
*/
ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy));
if (!ep || ep->acquiring)
return;
ep->acquiring = true;
link = find_link_by_proxy(proxy);
if (link) {
bt_shell_printf("Link %s found\n", link->transport);
/* If link already acquiring wait it to be complete */
if (link->acquiring)
return;
link->acquiring = true;
}
if (ep->auto_accept) {
bt_shell_printf("Auto Acquiring...\n");
if (!g_dbus_proxy_method_call(proxy, "Acquire", NULL,
acquire_reply, proxy, NULL)) {
bt_shell_printf("Failed acquire transport\n");
ep->acquiring = false;
if (link)
link->acquiring = false;
}
return;
}
bt_shell_prompt_input(g_dbus_proxy_get_path(proxy), "Acquire (yes/no):",
transport_acquire, proxy);
transport_acquire(proxy, true);
}
static void property_changed(GDBusProxy *proxy, const char *name,
@ -3747,7 +3786,6 @@ static void cmd_acquire_transport(int argc, char *argv[])
{
GDBusProxy *proxy;
int i;
struct endpoint *ep, *link;
for (i = 1; i < argc; i++) {
proxy = g_dbus_proxy_lookup(transports, NULL, argv[i],
@ -3763,35 +3801,7 @@ static void cmd_acquire_transport(int argc, char *argv[])
return bt_shell_noninteractive_quit(EXIT_FAILURE);
}
ep = find_ep_by_transport(g_dbus_proxy_get_path(proxy));
if (!ep || ep->acquiring) {
bt_shell_printf(
"Transport %s already in acquiring process\n",
argv[i]);
return bt_shell_noninteractive_quit(EXIT_FAILURE);
}
ep->acquiring = true;
link = find_link_by_proxy(proxy);
if (link) {
bt_shell_printf("Link %s found\n", link->transport);
/* If link already acquiring wait it to be complete */
if (link->acquiring) {
bt_shell_printf(
"Link %s is in acquiring process\n",
argv[i]);
return bt_shell_noninteractive_quit(
EXIT_FAILURE);
}
link->acquiring = true;
}
if (!g_dbus_proxy_method_call(proxy, "Acquire", NULL,
acquire_reply, proxy, NULL)) {
bt_shell_printf("Failed acquire transport\n");
return bt_shell_noninteractive_quit(EXIT_FAILURE);
}
transport_acquire(proxy, false);
}
return bt_shell_noninteractive_quit(EXIT_SUCCESS);
@ -4076,9 +4086,11 @@ static void cmd_send_transport(int argc, char *argv[])
memset(&qos, 0, sizeof(qos));
len = sizeof(qos);
if (getsockopt(transport->sk, SOL_BLUETOOTH, BT_ISO_QOS, &qos,
&len) < 0)
&len) < 0) {
bt_shell_printf("Unable to getsockopt(BT_ISO_QOS): %s",
strerror(errno));
err = transport_send(transport, fd, NULL);
else
} else
err = transport_send(transport, fd, &qos);
if (err < 0) {