mirror of
https://github.com/hyprwm/xdg-desktop-portal-hyprland.git
synced 2024-11-05 08:15:58 +01:00
Check cast instance refcount before attaching
This commit is contained in:
parent
55f873dac4
commit
f6d14d9206
5 changed files with 31 additions and 18 deletions
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@ -78,14 +78,14 @@ int main(int argc, char *argv[]) {
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logprint(ERROR, "dbus: failed to connect to user bus: %s", strerror(-ret));
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goto error;
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}
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logprint(TRACE, "dbus: connected");
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logprint(DEBUG, "dbus: connected");
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struct wl_display *wl_display = wl_display_connect(NULL);
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if (!wl_display) {
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logprint(ERROR, "wayland: failed to connect to display");
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goto error;
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}
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logprint(TRACE, "wlroots: wl_display connected");
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logprint(DEBUG, "wlroots: wl_display connected");
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pw_init(NULL, NULL);
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struct pw_loop *pw_loop = pw_loop_new(NULL);
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@ -93,7 +93,7 @@ int main(int argc, char *argv[]) {
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logprint(ERROR, "pipewire: failed to create loop");
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goto error;
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}
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logprint(TRACE, "pipewire: pw_loop created");
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logprint(DEBUG, "pipewire: pw_loop created");
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struct xdpw_state state = {
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.bus = bus,
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@ -57,7 +57,7 @@ struct xdpw_session *xdpw_session_create(struct xdpw_state *state, sd_bus *bus,
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}
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void xdpw_session_destroy(struct xdpw_session *sess) {
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logprint(TRACE, "dbus: destroying session");
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logprint(DEBUG, "dbus: destroying session %p", sess);
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if (!sess) {
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return;
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}
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@ -65,7 +65,8 @@ void xdpw_session_destroy(struct xdpw_session *sess) {
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if (cast) {
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assert(cast->refcount > 0);
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--cast->refcount;
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logprint(INFO, "xdpw: screencast instance %p has %d references", cast, cast->refcount);
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logprint(DEBUG, "xdpw: screencast instance %p now has %d references",
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cast, cast->refcount);
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if (cast->refcount < 1) {
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cast->quit = true;
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}
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@ -161,7 +161,7 @@ void xdpw_pwr_stream_init(struct xdpw_screencast_instance *cast) {
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/* make an event to signal frame ready */
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cast->event =
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pw_loop_add_event(state->pw_loop, pwr_on_event, cast);
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logprint(TRACE, "pipewire: registered event %p", cast->event);
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logprint(DEBUG, "pipewire: registered event %p", cast->event);
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params[0] = spa_pod_builder_add_object(&b,
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SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
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@ -194,7 +194,7 @@ void xdpw_pwr_stream_init(struct xdpw_screencast_instance *cast) {
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int xdpw_pwr_core_connect(struct xdpw_state *state) {
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struct xdpw_screencast_context *ctx = &state->screencast;
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logprint(TRACE, "pipewire: establishing connection to core");
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logprint(DEBUG, "pipewire: establishing connection to core");
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if (!ctx->pwr_context) {
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ctx->pwr_context = pw_context_new(state->pw_loop, NULL, 0);
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@ -215,7 +215,7 @@ int xdpw_pwr_core_connect(struct xdpw_state *state) {
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}
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void xdpw_pwr_stream_destroy(struct xdpw_screencast_instance *cast) {
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logprint(TRACE, "pipewire: destroying stream");
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logprint(DEBUG, "pipewire: destroying stream");
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pw_stream_flush(cast->stream, false);
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pw_stream_disconnect(cast->stream);
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pw_stream_destroy(cast->stream);
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@ -34,8 +34,8 @@ void xdpw_screencast_instance_init(struct xdpw_screencast_context *ctx,
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}
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void xdpw_screencast_instance_destroy(struct xdpw_screencast_instance *cast) {
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assert(cast->refcount == 0);
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logprint(TRACE, "xdpw: destroying cast instance");
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assert(cast->refcount == 0); // Fails assert if called by screencast_finish
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logprint(DEBUG, "xdpw: destroying cast instance");
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wl_list_remove(&cast->link);
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xdpw_pwr_stream_destroy(cast);
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free(cast);
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@ -71,9 +71,17 @@ int setup_outputs(struct xdpw_screencast_context *ctx, struct xdpw_session *sess
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cast->with_cursor ? "with" : "without");
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if (cast->target_output->id == out->id && cast->with_cursor == with_cursor) {
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sess->screencast_instance = cast;
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++cast->refcount;
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logprint(INFO, "xdpw: screencast instance %p has %d references", cast, cast->refcount);
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if (cast->refcount == 0) {
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logprint(DEBUG,
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"xdpw: matching cast instance found, "
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"but is already scheduled for destruction, skipping");
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}
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else {
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sess->screencast_instance = cast;
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++cast->refcount;
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}
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logprint(INFO, "xdpw: screencast instance %p now has %d references",
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cast, cast->refcount);
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}
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}
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@ -270,7 +278,7 @@ static int method_screencast_select_sources(sd_bus_message *msg, void *data,
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ret = -1;
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wl_list_for_each_reverse_safe(sess, tmp_s, &state->xdpw_sessions, link) {
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if (strcmp(sess->session_handle, session_handle) == 0) {
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logprint(TRACE, "dbus: select sources: found matching session %s", sess->session_handle);
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logprint(DEBUG, "dbus: select sources: found matching session %s", sess->session_handle);
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ret = setup_outputs(ctx, sess, cursor_embedded);
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}
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}
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@ -296,7 +304,7 @@ static int method_screencast_select_sources(sd_bus_message *msg, void *data,
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error:
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wl_list_for_each_reverse_safe(sess, tmp_s, &state->xdpw_sessions, link) {
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if (strcmp(sess->session_handle, session_handle) == 0) {
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logprint(TRACE, "dbus: select sources error: destroying matching session %s", sess->session_handle);
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logprint(DEBUG, "dbus: select sources error: destroying matching session %s", sess->session_handle);
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xdpw_session_destroy(sess);
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}
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}
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@ -366,7 +374,7 @@ static int method_screencast_start(sd_bus_message *msg, void *data,
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struct xdpw_session *sess, *tmp_s;
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wl_list_for_each_reverse_safe(sess, tmp_s, &state->xdpw_sessions, link) {
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if (strcmp(sess->session_handle, session_handle) == 0) {
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logprint(TRACE, "dbus: start: found matching session %s", sess->session_handle);
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logprint(DEBUG, "dbus: start: found matching session %s", sess->session_handle);
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cast = sess->screencast_instance;
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}
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}
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@ -453,6 +461,7 @@ int xdpw_screencast_init(struct xdpw_state *state, const char *output_name, cons
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screencast_vtable, state);
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end:
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// TODO: clean up pipewire
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xdpw_wlr_screencopy_finish(&state->screencast);
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return err;
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}
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@ -32,6 +32,9 @@ void xdpw_wlr_frame_free(struct xdpw_screencast_instance *cast) {
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logprint(TRACE, "wlroots: frame destroyed");
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if (cast->quit || cast->err) {
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// TODO: revisit the exit condition (remove quit?)
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// and clean up sessions that still exist if err
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// is the cause of the instance_destroy call
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xdpw_screencast_instance_destroy(cast);
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return ;
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}
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@ -342,14 +345,14 @@ int xdpw_wlr_screencopy_init(struct xdpw_state *state) {
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wl_display_dispatch(state->wl_display);
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wl_display_roundtrip(state->wl_display);
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logprint(TRACE, "wayland: registry listeners run");
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logprint(DEBUG, "wayland: registry listeners run");
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wlr_init_xdg_outputs(ctx);
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wl_display_dispatch(state->wl_display);
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wl_display_roundtrip(state->wl_display);
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logprint(TRACE, "wayland: xdg output listeners run");
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logprint(DEBUG, "wayland: xdg output listeners run");
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// make sure our wlroots supports shm protocol
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if (!ctx->shm) {
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