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module/i3: break out get_socket_address()

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This commit is contained in:
Daniel Eklöf 2019-02-13 21:53:53 +01:00
parent 6e44d8e04e
commit 37d15096f9
4 changed files with 102 additions and 81 deletions
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82
modules/i3.c
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@ -13,11 +13,6 @@
#include <sys/un.h>
#include <fcntl.h>
#if defined(ENABLE_X11)
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#endif
#include <i3/ipc.h>
#include <json-c/json_tokener.h>
@ -33,9 +28,7 @@
#include "../particles/dynlist.h"
#include "../plugin.h"
#if defined(ENABLE_X11)
#include "../xcb.h"
#endif
#include "i3-common.h"
struct ws_content {
char *name;
@ -479,77 +472,6 @@ handle_window_event(struct private *m, const struct json_object *json)
return true;
}
#if defined(ENABLE_X11)
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 false;
}
xcb_screen_t *screen = xcb_aux_get_screen(conn, default_screen);
xcb_atom_t atom = get_atom(conn, "I3_SOCKET_PATH");
assert(atom != XCB_ATOM_NONE);
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_generic_error_t *err;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(conn, cookie, &err);
if (err != NULL) {
LOG_ERR("failed to get i3 socket path: %s", xcb_error(err));
free(err);
free(reply);
return false;
}
const int len = xcb_get_property_value_length(reply);
assert(len < sizeof(addr->sun_path));
if (len == 0) {
LOG_ERR("failed to get i3 socket path: empty reply");
free(reply);
return false;
}
memcpy(addr->sun_path, xcb_get_property_value(reply), len);
addr->sun_path[len] = '\0';
free(reply);
xcb_disconnect(conn);
return true;
}
#endif
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) {
sway_sock = getenv("I3SOCK");
if (sway_sock == NULL) {
#if defined(ENABLE_X11)
return get_socket_address_x11(addr);
#else
return false;
#endif
}
}
strncpy(addr->sun_path, sway_sock, sizeof(addr->sun_path) - 1);
return true;
}
static int
run(struct module *mod)
@ -557,7 +479,7 @@ run(struct module *mod)
struct private *m = mod->private;
struct sockaddr_un addr;
if (!get_socket_address(&addr))
if (!i3_get_socket_address(&addr))
return 1;
int sock = socket(AF_UNIX, SOCK_STREAM, 0);