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module/i3: try SWAYSOCK before falling back to I3_SOCKET_PATH

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This commit is contained in:
Daniel Eklöf 2019-02-03 12:20:59 +01:00
parent ed8e17c6c9
commit 8e769b491a
1 changed files with 65 additions and 46 deletions
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45
modules/i3.c
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@ -371,19 +371,15 @@ handle_workspace_event(struct private *m, const struct json_object *json)
return true;
}
static int
run(struct module *mod)
{
struct private *m = mod->private;
struct sockaddr_un addr = {.sun_family = AF_UNIX};
static bool
get_socket_address_x11(struct sockaddr_un *addr)
{
int default_screen;
xcb_connection_t *conn = xcb_connect(NULL, &default_screen);
if (xcb_connection_has_error(conn) > 0) {
LOG_ERR("failed to connect to X");
xcb_disconnect(conn);
return 1;
return false;
}
xcb_screen_t *screen = xcb_aux_get_screen(conn, default_screen);
@ -394,7 +390,7 @@ run(struct module *mod)
xcb_get_property_cookie_t cookie
= xcb_get_property_unchecked(
conn, false, screen->root, atom,
XCB_GET_PROPERTY_TYPE_ANY, 0, sizeof(addr.sun_path));
XCB_GET_PROPERTY_TYPE_ANY, 0, sizeof(addr->sun_path));
xcb_generic_error_t *err;
xcb_get_property_reply_t *reply =
@ -404,25 +400,48 @@ run(struct module *mod)
LOG_ERR("failed to get i3 socket path: %s", xcb_error(err));
free(err);
free(reply);
return 1;
return false;
}
const int len = xcb_get_property_value_length(reply);
assert(len < sizeof(addr.sun_path));
assert(len < sizeof(addr->sun_path));
if (len == 0) {
LOG_ERR("failed to get i3 socket path: empty reply");
free(reply);
return 1;
return false;
}
memcpy(addr.sun_path, xcb_get_property_value(reply), len);
addr.sun_path[len] = '\0';
memcpy(addr->sun_path, xcb_get_property_value(reply), len);
addr->sun_path[len] = '\0';
free(reply);
xcb_disconnect(conn);
return true;
}
static bool
get_socket_address(struct sockaddr_un *addr)
{
*addr = (struct sockaddr_un){.sun_family = AF_UNIX};
const char *sway_sock = getenv("SWAYSOCK");
if (sway_sock == NULL)
return get_socket_address_x11(addr);
strncpy(addr->sun_path, sway_sock, sizeof(addr->sun_path));
return true;
}
static int
run(struct module *mod)
{
struct private *m = mod->private;
struct sockaddr_un addr;
if (!get_socket_address(&addr))
return 1;
int sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock == -1) {
LOG_ERRNO("failed to create UNIX socket");