-#undef I3__FILE__
-#define I3__FILE__ "ipc.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* ipc.c: UNIX domain socket IPC (initialization, client handling, protocol).
*
*/
#include "all.h"
+
#include "yajl_utils.h"
+#include <stdint.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <fcntl.h>
char *current_socketpath = NULL;
-TAILQ_HEAD(ipc_client_head, ipc_client) all_clients = TAILQ_HEAD_INITIALIZER(all_clients);
+TAILQ_HEAD(ipc_client_head, ipc_client)
+all_clients = TAILQ_HEAD_INITIALIZER(all_clients);
/*
* Puts the given socket file descriptor into non-blocking mode or dies if
err(-1, "Could not set O_NONBLOCK");
}
-/*
- * Emulates mkdir -p (creates any missing folders)
- *
- */
-bool mkdirp(const char *path) {
- if (mkdir(path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) == 0)
- return true;
- if (errno != ENOENT) {
- ELOG("mkdir(%s) failed: %s\n", path, strerror(errno));
- return false;
- }
- char *copy = sstrdup(path);
- /* strip trailing slashes, if any */
- while (copy[strlen(copy) - 1] == '/')
- copy[strlen(copy) - 1] = '\0';
-
- char *sep = strrchr(copy, '/');
- if (sep == NULL) {
- FREE(copy);
- return false;
- }
- *sep = '\0';
- bool result = false;
- if (mkdirp(copy))
- result = mkdirp(path);
- free(copy);
-
- return result;
-}
-
/*
* Sends the specified event to all IPC clients which are currently connected
* and subscribed to this kind of event.
}
/*
- * Calls shutdown() on each socket and closes it. This function to be called
+ * For shutdown events, we send the reason for the shutdown.
+ */
+static void ipc_send_shutdown_event(shutdown_reason_t reason) {
+ yajl_gen gen = ygenalloc();
+ y(map_open);
+
+ ystr("change");
+
+ if (reason == SHUTDOWN_REASON_RESTART) {
+ ystr("restart");
+ } else if (reason == SHUTDOWN_REASON_EXIT) {
+ ystr("exit");
+ }
+
+ y(map_close);
+
+ const unsigned char *payload;
+ ylength length;
+
+ y(get_buf, &payload, &length);
+ ipc_send_event("shutdown", I3_IPC_EVENT_SHUTDOWN, (const char *)payload);
+
+ y(free);
+}
+
+/*
+ * Calls shutdown() on each socket and closes it. This function is to be called
* when exiting or restarting only!
*
*/
-void ipc_shutdown(void) {
+void ipc_shutdown(shutdown_reason_t reason) {
+ ipc_send_shutdown_event(reason);
+
ipc_client *current;
while (!TAILQ_EMPTY(&all_clients)) {
current = TAILQ_FIRST(&all_clients);
shutdown(current->fd, SHUT_RDWR);
close(current->fd);
+ for (int i = 0; i < current->num_events; i++)
+ free(current->events[i]);
+ free(current->events);
TAILQ_REMOVE(&all_clients, current, clients);
free(current);
}
* or not (at the moment, always returns true).
*
*/
-IPC_HANDLER(command) {
+IPC_HANDLER(run_command) {
/* To get a properly terminated buffer, we copy
* message_size bytes out of the buffer */
- char *command = scalloc(message_size + 1);
+ char *command = scalloc(message_size + 1, 1);
strncpy(command, (const char *)message, message_size);
LOG("IPC: received: *%s*\n", command);
yajl_gen gen = yajl_gen_alloc(NULL);
y(map_close);
}
-static void dump_binding(yajl_gen gen, Binding *bind) {
- y(map_open);
- ystr("input_code");
- y(integer, bind->keycode);
-
- ystr("input_type");
- ystr((const char *)(bind->input_type == B_KEYBOARD ? "keyboard" : "mouse"));
-
- ystr("symbol");
- if (bind->symbol == NULL)
- y(null);
- else
- ystr(bind->symbol);
-
- ystr("command");
- ystr(bind->command);
-
- ystr("mods");
+static void dump_event_state_mask(yajl_gen gen, Binding *bind) {
y(array_open);
- for (int i = 0; i < 8; i++) {
- if (bind->mods & (1 << i)) {
+ for (int i = 0; i < 20; i++) {
+ if (bind->event_state_mask & (1 << i)) {
switch (1 << i) {
- case XCB_MOD_MASK_SHIFT:
+ case XCB_KEY_BUT_MASK_SHIFT:
ystr("shift");
break;
- case XCB_MOD_MASK_LOCK:
+ case XCB_KEY_BUT_MASK_LOCK:
ystr("lock");
break;
- case XCB_MOD_MASK_CONTROL:
+ case XCB_KEY_BUT_MASK_CONTROL:
ystr("ctrl");
break;
- case XCB_MOD_MASK_1:
+ case XCB_KEY_BUT_MASK_MOD_1:
ystr("Mod1");
break;
- case XCB_MOD_MASK_2:
+ case XCB_KEY_BUT_MASK_MOD_2:
ystr("Mod2");
break;
- case XCB_MOD_MASK_3:
+ case XCB_KEY_BUT_MASK_MOD_3:
ystr("Mod3");
break;
- case XCB_MOD_MASK_4:
+ case XCB_KEY_BUT_MASK_MOD_4:
ystr("Mod4");
break;
- case XCB_MOD_MASK_5:
+ case XCB_KEY_BUT_MASK_MOD_5:
ystr("Mod5");
break;
+ case XCB_KEY_BUT_MASK_BUTTON_1:
+ ystr("Button1");
+ break;
+ case XCB_KEY_BUT_MASK_BUTTON_2:
+ ystr("Button2");
+ break;
+ case XCB_KEY_BUT_MASK_BUTTON_3:
+ ystr("Button3");
+ break;
+ case XCB_KEY_BUT_MASK_BUTTON_4:
+ ystr("Button4");
+ break;
+ case XCB_KEY_BUT_MASK_BUTTON_5:
+ ystr("Button5");
+ break;
+ case (I3_XKB_GROUP_MASK_1 << 16):
+ ystr("Group1");
+ break;
+ case (I3_XKB_GROUP_MASK_2 << 16):
+ ystr("Group2");
+ break;
+ case (I3_XKB_GROUP_MASK_3 << 16):
+ ystr("Group3");
+ break;
+ case (I3_XKB_GROUP_MASK_4 << 16):
+ ystr("Group4");
+ break;
}
}
}
y(array_close);
+}
+
+static void dump_binding(yajl_gen gen, Binding *bind) {
+ y(map_open);
+ ystr("input_code");
+ y(integer, bind->keycode);
+
+ ystr("input_type");
+ ystr((const char *)(bind->input_type == B_KEYBOARD ? "keyboard" : "mouse"));
+
+ ystr("symbol");
+ if (bind->symbol == NULL)
+ y(null);
+ else
+ ystr(bind->symbol);
+
+ ystr("command");
+ ystr(bind->command);
+
+ // This key is only provided for compatibility, new programs should use
+ // event_state_mask instead.
+ ystr("mods");
+ dump_event_state_mask(gen, bind);
+
+ ystr("event_state_mask");
+ dump_event_state_mask(gen, bind);
y(map_close);
}
void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) {
y(map_open);
ystr("id");
- y(integer, (long int)con);
+ y(integer, (uintptr_t)con);
ystr("type");
switch (con->type) {
case CT_DOCKAREA:
ystr("dockarea");
break;
- default:
- DLOG("About to dump unknown container type=%d. This is a bug.\n", con->type);
- assert(false);
- break;
}
/* provided for backwards compatibility only. */
ystr("urgent");
y(bool, con->urgent);
- if (con->mark != NULL) {
- ystr("mark");
- ystr(con->mark);
+ if (!TAILQ_EMPTY(&(con->marks_head))) {
+ ystr("marks");
+ y(array_open);
+
+ mark_t *mark;
+ TAILQ_FOREACH(mark, &(con->marks_head), marks) {
+ ystr(mark->name);
+ }
+
+ y(array_close);
}
ystr("focused");
y(bool, (con == focused));
+ if (con->type != CT_ROOT && con->type != CT_OUTPUT) {
+ ystr("output");
+ ystr(con_get_output(con)->name);
+ }
+
ystr("layout");
switch (con->layout) {
case L_DEFAULT:
else
y(null);
+ if (con->title_format != NULL) {
+ ystr("title_format");
+ ystr(con->title_format);
+ }
+
if (con->type == CT_WORKSPACE) {
ystr("num");
y(integer, con->num);
ystr("focus");
y(array_open);
TAILQ_FOREACH(node, &(con->focus_head), focused) {
- y(integer, (long int)node);
+ y(integer, (uintptr_t)node);
}
y(array_close);
ystr("fullscreen_mode");
y(integer, con->fullscreen_mode);
+ ystr("sticky");
+ y(bool, con->sticky);
+
ystr("floating");
switch (con->floating) {
case FLOATING_AUTO_OFF:
if (match->restart_mode)
continue;
y(map_open);
- if (match->dock != -1) {
+ if (match->dock != M_DONTCHECK) {
ystr("dock");
y(integer, match->dock);
ystr("insert_where");
y(map_close);
}
+static void dump_bar_bindings(yajl_gen gen, Barconfig *config) {
+ if (TAILQ_EMPTY(&(config->bar_bindings)))
+ return;
+
+ ystr("bindings");
+ y(array_open);
+
+ struct Barbinding *current;
+ TAILQ_FOREACH(current, &(config->bar_bindings), bindings) {
+ y(map_open);
+
+ ystr("input_code");
+ y(integer, current->input_code);
+ ystr("command");
+ ystr(current->command);
+ ystr("release");
+ y(bool, current->release == B_UPON_KEYRELEASE);
+
+ y(map_close);
+ }
+
+ y(array_close);
+}
+
+static char *canonicalize_output_name(char *name) {
+ /* Do not canonicalize special output names. */
+ if (strcasecmp(name, "primary") == 0) {
+ return name;
+ }
+ Output *output = get_output_by_name(name, false);
+ return output ? output_primary_name(output) : name;
+}
+
static void dump_bar_config(yajl_gen gen, Barconfig *config) {
y(map_open);
if (config->num_outputs > 0) {
ystr("outputs");
y(array_open);
- for (int c = 0; c < config->num_outputs; c++)
- ystr(config->outputs[c]);
+ for (int c = 0; c < config->num_outputs; c++) {
+ /* Convert monitor names (RandR ≥ 1.5) or output names
+ * (RandR < 1.5) into monitor names. This way, existing
+ * configs which use output names transparently keep
+ * working. */
+ ystr(canonicalize_output_name(config->outputs[c]));
+ }
+ y(array_close);
+ }
+
+ if (!TAILQ_EMPTY(&(config->tray_outputs))) {
+ ystr("tray_outputs");
+ y(array_open);
+
+ struct tray_output_t *tray_output;
+ TAILQ_FOREACH(tray_output, &(config->tray_outputs), tray_outputs) {
+ ystr(canonicalize_output_name(tray_output->output));
+ }
+
y(array_close);
}
} \
} while (0)
- YSTR_IF_SET(tray_output);
+ ystr("tray_padding");
+ y(integer, config->tray_padding);
+
YSTR_IF_SET(socket_path);
ystr("mode");
}
ystr("modifier");
- switch (config->modifier) {
- case M_CONTROL:
- ystr("ctrl");
- break;
- case M_SHIFT:
- ystr("shift");
- break;
- case M_MOD1:
- ystr("Mod1");
- break;
- case M_MOD2:
- ystr("Mod2");
- break;
- case M_MOD3:
- ystr("Mod3");
- break;
- /*
- case M_MOD4:
- ystr("Mod4");
- break;
- */
- case M_MOD5:
- ystr("Mod5");
- break;
- default:
- ystr("Mod4");
- break;
- }
+ y(integer, config->modifier);
- if (config->wheel_up_cmd) {
- ystr("wheel_up_cmd");
- ystr(config->wheel_up_cmd);
- }
-
- if (config->wheel_down_cmd) {
- ystr("wheel_down_cmd");
- ystr(config->wheel_down_cmd);
- }
+ dump_bar_bindings(gen, config);
ystr("position");
if (config->position == P_BOTTOM)
ystr("strip_workspace_numbers");
y(bool, config->strip_workspace_numbers);
+ ystr("strip_workspace_name");
+ y(bool, config->strip_workspace_name);
+
ystr("binding_mode_indicator");
y(bool, !config->hide_binding_mode_indicator);
YSTR_IF_SET(background);
YSTR_IF_SET(statusline);
YSTR_IF_SET(separator);
+ YSTR_IF_SET(focused_background);
+ YSTR_IF_SET(focused_statusline);
+ YSTR_IF_SET(focused_separator);
YSTR_IF_SET(focused_workspace_border);
YSTR_IF_SET(focused_workspace_bg);
YSTR_IF_SET(focused_workspace_text);
YSTR_IF_SET(urgent_workspace_border);
YSTR_IF_SET(urgent_workspace_bg);
YSTR_IF_SET(urgent_workspace_text);
+ YSTR_IF_SET(binding_mode_border);
+ YSTR_IF_SET(binding_mode_bg);
+ YSTR_IF_SET(binding_mode_text);
y(map_close);
y(map_close);
y(map_open);
ystr("name");
- ystr(output->name);
+ ystr(output_primary_name(output));
ystr("active");
y(bool, output->active);
y(array_open);
Con *con;
- TAILQ_FOREACH(con, &all_cons, all_cons)
- if (con->mark != NULL)
- ystr(con->mark);
+ TAILQ_FOREACH(con, &all_cons, all_cons) {
+ mark_t *mark;
+ TAILQ_FOREACH(mark, &(con->marks_head), marks) {
+ ystr(mark->name);
+ }
+ }
y(array_close);
y(integer, PATCH_VERSION);
ystr("human_readable");
- ystr(I3_VERSION);
+ ystr(i3_version);
+
+ ystr("loaded_config_file_name");
+ ystr(current_configpath);
y(map_close);
/* To get a properly terminated buffer, we copy
* message_size bytes out of the buffer */
- char *bar_id = scalloc(message_size + 1);
- strncpy(bar_id, (const char *)message, message_size);
+ char *bar_id = NULL;
+ sasprintf(&bar_id, "%.*s", message_size, message);
LOG("IPC: looking for config for bar ID \"%s\"\n", bar_id);
Barconfig *current, *config = NULL;
TAILQ_FOREACH(current, &barconfigs, configs) {
config = current;
break;
}
+ free(bar_id);
if (!config) {
/* If we did not find a config for the given ID, the reply will contain
y(free);
}
+/*
+ * Returns a list of configured binding modes
+ *
+ */
+IPC_HANDLER(get_binding_modes) {
+ yajl_gen gen = ygenalloc();
+
+ y(array_open);
+ struct Mode *mode;
+ SLIST_FOREACH(mode, &modes, modes) {
+ ystr(mode->name);
+ }
+ y(array_close);
+
+ const unsigned char *payload;
+ ylength length;
+ y(get_buf, &payload, &length);
+
+ ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_BINDING_MODES, payload);
+ y(free);
+}
+
/*
* Callback for the YAJL parser (will be called when a string is parsed).
*
int event = client->num_events;
client->num_events++;
- client->events = realloc(client->events, client->num_events * sizeof(char *));
+ client->events = srealloc(client->events, client->num_events * sizeof(char *));
/* We copy the string because it is not null-terminated and strndup()
* is missing on some BSD systems */
- client->events[event] = scalloc(len + 1);
+ client->events[event] = scalloc(len + 1, 1);
memcpy(client->events[event], s, len);
DLOG("client is now subscribed to:\n");
- for (int i = 0; i < client->num_events; i++)
+ for (int i = 0; i < client->num_events; i++) {
DLOG("event %s\n", client->events[i]);
+ }
DLOG("(done)\n");
return 1;
yajl_free(p);
const char *reply = "{\"success\":true}";
ipc_send_message(fd, strlen(reply), I3_IPC_REPLY_TYPE_SUBSCRIBE, (const uint8_t *)reply);
+
+ if (client->first_tick_sent) {
+ return;
+ }
+
+ bool is_tick = false;
+ for (int i = 0; i < client->num_events; i++) {
+ if (strcmp(client->events[i], "tick") == 0) {
+ is_tick = true;
+ break;
+ }
+ }
+ if (!is_tick) {
+ return;
+ }
+
+ client->first_tick_sent = true;
+ const char *payload = "{\"first\":true,\"payload\":\"\"}";
+ ipc_send_message(client->fd, strlen(payload), I3_IPC_EVENT_TICK, (const uint8_t *)payload);
+}
+
+/*
+ * Returns the raw last loaded i3 configuration file contents.
+ */
+IPC_HANDLER(get_config) {
+ yajl_gen gen = ygenalloc();
+
+ y(map_open);
+
+ ystr("config");
+ ystr(current_config);
+
+ y(map_close);
+
+ const unsigned char *payload;
+ ylength length;
+ y(get_buf, &payload, &length);
+
+ ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_CONFIG, payload);
+ y(free);
+}
+
+/*
+ * Sends the tick event from the message payload to subscribers. Establishes a
+ * synchronization point in event-related tests.
+ */
+IPC_HANDLER(send_tick) {
+ yajl_gen gen = ygenalloc();
+
+ y(map_open);
+
+ ystr("payload");
+ yajl_gen_string(gen, (unsigned char *)message, message_size);
+
+ y(map_close);
+
+ const unsigned char *payload;
+ ylength length;
+ y(get_buf, &payload, &length);
+
+ ipc_send_event("tick", I3_IPC_EVENT_TICK, (const char *)payload);
+ y(free);
+
+ const char *reply = "{\"success\":true}";
+ ipc_send_message(fd, strlen(reply), I3_IPC_REPLY_TYPE_TICK, (const uint8_t *)reply);
+ DLOG("Sent tick event\n");
+}
+
+struct sync_state {
+ char *last_key;
+ uint32_t rnd;
+ xcb_window_t window;
+};
+
+static int _sync_json_key(void *extra, const unsigned char *val, size_t len) {
+ struct sync_state *state = extra;
+ FREE(state->last_key);
+ state->last_key = scalloc(len + 1, 1);
+ memcpy(state->last_key, val, len);
+ return 1;
+}
+
+static int _sync_json_int(void *extra, long long val) {
+ struct sync_state *state = extra;
+ if (strcasecmp(state->last_key, "rnd") == 0) {
+ state->rnd = val;
+ } else if (strcasecmp(state->last_key, "window") == 0) {
+ state->window = (xcb_window_t)val;
+ }
+ return 1;
+}
+
+IPC_HANDLER(sync) {
+ yajl_handle p;
+ yajl_status stat;
+
+ /* Setup the JSON parser */
+ static yajl_callbacks callbacks = {
+ .yajl_map_key = _sync_json_key,
+ .yajl_integer = _sync_json_int,
+ };
+
+ struct sync_state state;
+ memset(&state, '\0', sizeof(struct sync_state));
+ p = yalloc(&callbacks, (void *)&state);
+ stat = yajl_parse(p, (const unsigned char *)message, message_size);
+ FREE(state.last_key);
+ if (stat != yajl_status_ok) {
+ unsigned char *err;
+ err = yajl_get_error(p, true, (const unsigned char *)message,
+ message_size);
+ ELOG("YAJL parse error: %s\n", err);
+ yajl_free_error(p, err);
+
+ const char *reply = "{\"success\":false}";
+ ipc_send_message(fd, strlen(reply), I3_IPC_REPLY_TYPE_SYNC, (const uint8_t *)reply);
+ yajl_free(p);
+ return;
+ }
+ yajl_free(p);
+
+ DLOG("received IPC sync request (rnd = %d, window = 0x%08x)\n", state.rnd, state.window);
+ sync_respond(state.window, state.rnd);
+ const char *reply = "{\"success\":true}";
+ ipc_send_message(fd, strlen(reply), I3_IPC_REPLY_TYPE_SYNC, (const uint8_t *)reply);
}
/* The index of each callback function corresponds to the numeric
* value of the message type (see include/i3/ipc.h) */
-handler_t handlers[8] = {
- handle_command,
+handler_t handlers[12] = {
+ handle_run_command,
handle_get_workspaces,
handle_subscribe,
handle_get_outputs,
handle_get_marks,
handle_get_bar_config,
handle_get_version,
+ handle_get_binding_modes,
+ handle_get_config,
+ handle_send_tick,
+ handle_sync,
};
/*
for (int i = 0; i < current->num_events; i++)
free(current->events[i]);
+ free(current->events);
/* We can call TAILQ_REMOVE because we break out of the
* TAILQ_FOREACH afterwards */
TAILQ_REMOVE(&all_clients, current, clients);
set_nonblock(client);
- struct ev_io *package = scalloc(sizeof(struct ev_io));
+ struct ev_io *package = scalloc(1, sizeof(struct ev_io));
ev_io_init(package, ipc_receive_message, client, EV_READ);
ev_io_start(EV_A_ package);
DLOG("IPC: new client connected on fd %d\n", w->fd);
- ipc_client *new = scalloc(sizeof(ipc_client));
+ ipc_client *new = scalloc(1, sizeof(ipc_client));
new->fd = client;
TAILQ_INSERT_TAIL(&all_clients, new, clients);
char *copy = sstrdup(resolved);
const char *dir = dirname(copy);
if (!path_exists(dir))
- mkdirp(dir);
+ mkdirp(dir, DEFAULT_DIR_MODE);
free(copy);
/* Unlink the unix domain socket before */
projects / i3 / i3 / blobdiff