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ipc.c
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ipc.c
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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 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 <ev.h>
#include <fcntl.h>
#include <libgen.h>
#include <locale.h>
#include <stdint.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_parse.h>
char *current_socketpath = NULL;
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
* setting O_NONBLOCK failed. Non-blocking sockets are a good idea for our
* IPC model because we should by no means block the window manager.
*
*/
static void set_nonblock(int sockfd) {
int flags = fcntl(sockfd, F_GETFL, 0);
if (flags & O_NONBLOCK) {
return;
}
flags |= O_NONBLOCK;
if (fcntl(sockfd, F_SETFL, flags) < 0)
err(-1, "Could not set O_NONBLOCK");
}
static void ipc_client_timeout(EV_P_ ev_timer *w, int revents);
static void ipc_socket_writeable_cb(EV_P_ struct ev_io *w, int revents);
static ev_tstamp kill_timeout = 10.0;
void ipc_set_kill_timeout(ev_tstamp new) {
kill_timeout = new;
}
/*
* Try to write the contents of the pending buffer to the client's subscription
* socket. Will set, reset or clear the timeout and io write callbacks depending
* on the result of the write operation.
*
*/
static void ipc_push_pending(ipc_client *client) {
const ssize_t result = writeall_nonblock(client->fd, client->buffer, client->buffer_size);
if (result < 0) {
return;
}
if ((size_t)result == client->buffer_size) {
/* Everything was written successfully: clear the timer and stop the io
* callback. */
FREE(client->buffer);
client->buffer_size = 0;
if (client->timeout) {
ev_timer_stop(main_loop, client->timeout);
FREE(client->timeout);
}
ev_io_stop(main_loop, client->write_callback);
return;
}
/* Otherwise, make sure that the io callback is enabled and create a new
* timer if needed. */
ev_io_start(main_loop, client->write_callback);
if (!client->timeout) {
struct ev_timer *timeout = scalloc(1, sizeof(struct ev_timer));
ev_timer_init(timeout, ipc_client_timeout, kill_timeout, 0.);
timeout->data = client;
client->timeout = timeout;
ev_set_priority(timeout, EV_MINPRI);
ev_timer_start(main_loop, client->timeout);
} else if (result > 0) {
/* Keep the old timeout when nothing is written. Otherwise, we would
* keep a dead connection by continuously renewing its timeouts. */
ev_timer_stop(main_loop, client->timeout);
ev_timer_set(client->timeout, kill_timeout, 0.0);
ev_timer_start(main_loop, client->timeout);
}
if (result == 0) {
return;
}
/* Shift the buffer to the left and reduce the allocated space. */
client->buffer_size -= (size_t)result;
memmove(client->buffer, client->buffer + result, client->buffer_size);
client->buffer = srealloc(client->buffer, client->buffer_size);
}
/*
* Given a message and a message type, create the corresponding header, merge it
* with the message and append it to the given client's output buffer. Also,
* send the message if the client's buffer was empty.
*
*/
static void ipc_send_client_message(ipc_client *client, size_t size, const uint32_t message_type, const uint8_t *payload) {
const i3_ipc_header_t header = {
.magic = {'i', '3', '-', 'i', 'p', 'c'},
.size = size,
.type = message_type};
const size_t header_size = sizeof(i3_ipc_header_t);
const size_t message_size = header_size + size;
const bool push_now = (client->buffer_size == 0);
client->buffer = srealloc(client->buffer, client->buffer_size + message_size);
memcpy(client->buffer + client->buffer_size, ((void *)&header), header_size);
memcpy(client->buffer + client->buffer_size + header_size, payload, size);
client->buffer_size += message_size;
if (push_now) {
ipc_push_pending(client);
}
}
static void free_ipc_client(ipc_client *client, int exempt_fd) {
if (client->fd != exempt_fd) {
DLOG("Disconnecting client on fd %d\n", client->fd);
close(client->fd);
}
ev_io_stop(main_loop, client->read_callback);
FREE(client->read_callback);
ev_io_stop(main_loop, client->write_callback);
FREE(client->write_callback);
if (client->timeout) {
ev_timer_stop(main_loop, client->timeout);
FREE(client->timeout);
}
free(client->buffer);
for (int i = 0; i < client->num_events; i++) {
free(client->events[i]);
}
free(client->events);
TAILQ_REMOVE(&all_clients, client, clients);
free(client);
}
/*
* Sends the specified event to all IPC clients which are currently connected
* and subscribed to this kind of event.
*
*/
void ipc_send_event(const char *event, uint32_t message_type, const char *payload) {
ipc_client *current;
TAILQ_FOREACH (current, &all_clients, clients) {
for (int i = 0; i < current->num_events; i++) {
if (strcasecmp(current->events[i], event) == 0) {
ipc_send_client_message(current, strlen(payload), message_type, (uint8_t *)payload);
break;
}
}
}
}
/*
* 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!
*
* exempt_fd is never closed. Set to -1 to close all fds.
*
*/
void ipc_shutdown(shutdown_reason_t reason, int exempt_fd) {
ipc_send_shutdown_event(reason);
ipc_client *current;
while (!TAILQ_EMPTY(&all_clients)) {
current = TAILQ_FIRST(&all_clients);
if (current->fd != exempt_fd) {
shutdown(current->fd, SHUT_RDWR);
}
free_ipc_client(current, exempt_fd);
}
}
/*
* Executes the given command.
*
*/
IPC_HANDLER(run_command) {
/* To get a properly terminated buffer, we copy
* message_size bytes out of the buffer */
char *command = sstrndup((const char *)message, message_size);
LOG("IPC: received: *%.4000s*\n", command);
yajl_gen gen = yajl_gen_alloc(NULL);
CommandResult *result = parse_command(command, gen, client);
free(command);
if (result->needs_tree_render)
tree_render();
command_result_free(result);
const unsigned char *reply;
ylength length;
yajl_gen_get_buf(gen, &reply, &length);
ipc_send_client_message(client, length, I3_IPC_REPLY_TYPE_COMMAND,
(const uint8_t *)reply);
yajl_gen_free(gen);
}
static void dump_rect(yajl_gen gen, const char *name, Rect r) {
ystr(name);
y(map_open);
ystr("x");
y(integer, r.x);
ystr("y");
y(integer, r.y);
ystr("width");
y(integer, r.width);
ystr("height");
y(integer, r.height);
y(map_close);
}
static void dump_event_state_mask(yajl_gen gen, Binding *bind) {
y(array_open);
for (int i = 0; i < 20; i++) {
if (bind->event_state_mask & (1 << i)) {
switch (1 << i) {
case XCB_KEY_BUT_MASK_SHIFT:
ystr("shift");
break;
case XCB_KEY_BUT_MASK_LOCK:
ystr("lock");
break;
case XCB_KEY_BUT_MASK_CONTROL:
ystr("ctrl");
break;
case XCB_KEY_BUT_MASK_MOD_1:
ystr("Mod1");
break;
case XCB_KEY_BUT_MASK_MOD_2:
ystr("Mod2");
break;
case XCB_KEY_BUT_MASK_MOD_3:
ystr("Mod3");
break;
case XCB_KEY_BUT_MASK_MOD_4:
ystr("Mod4");
break;
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, (uintptr_t)con);
ystr("type");
switch (con->type) {
case CT_ROOT:
ystr("root");
break;
case CT_OUTPUT:
ystr("output");
break;
case CT_CON:
ystr("con");
break;
case CT_FLOATING_CON:
ystr("floating_con");
break;
case CT_WORKSPACE:
ystr("workspace");
break;
case CT_DOCKAREA:
ystr("dockarea");
break;
}
/* provided for backwards compatibility only. */
ystr("orientation");
if (!con_is_split(con))
ystr("none");
else {
if (con_orientation(con) == HORIZ)
ystr("horizontal");
else
ystr("vertical");
}
ystr("scratchpad_state");
switch (con->scratchpad_state) {
case SCRATCHPAD_NONE:
ystr("none");
break;
case SCRATCHPAD_FRESH:
ystr("fresh");
break;
case SCRATCHPAD_CHANGED:
ystr("changed");
break;
}
ystr("percent");
if (con->percent == 0.0)
y(null);
else
y(double, con->percent);
ystr("urgent");
y(bool, con->urgent);
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:
DLOG("About to dump layout=default, this is a bug in the code.\n");
assert(false);
break;
case L_SPLITV:
ystr("splitv");
break;
case L_SPLITH:
ystr("splith");
break;
case L_STACKED:
ystr("stacked");
break;
case L_TABBED:
ystr("tabbed");
break;
case L_DOCKAREA:
ystr("dockarea");
break;
case L_OUTPUT:
ystr("output");
break;
}
ystr("workspace_layout");
switch (con->workspace_layout) {
case L_DEFAULT:
ystr("default");
break;
case L_STACKED:
ystr("stacked");
break;
case L_TABBED:
ystr("tabbed");
break;
default:
DLOG("About to dump workspace_layout=%d (none of default/stacked/tabbed), this is a bug.\n", con->workspace_layout);
assert(false);
break;
}
ystr("last_split_layout");
switch (con->layout) {
case L_SPLITV:
ystr("splitv");
break;
default:
ystr("splith");
break;
}
ystr("border");
switch (con->border_style) {
case BS_NORMAL:
ystr("normal");
break;
case BS_NONE:
ystr("none");
break;
case BS_PIXEL:
ystr("pixel");
break;
}
ystr("current_border_width");
y(integer, con->current_border_width);
dump_rect(gen, "rect", con->rect);
dump_rect(gen, "deco_rect", con->deco_rect);
dump_rect(gen, "window_rect", con->window_rect);
dump_rect(gen, "geometry", con->geometry);
ystr("name");
if (con->window && con->window->name)
ystr(i3string_as_utf8(con->window->name));
else if (con->name != NULL)
ystr(con->name);
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("window");
if (con->window)
y(integer, con->window->id);
else
y(null);
ystr("window_type");
if (con->window) {
if (con->window->window_type == A__NET_WM_WINDOW_TYPE_NORMAL) {
ystr("normal");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_DOCK) {
ystr("dock");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_DIALOG) {
ystr("dialog");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_UTILITY) {
ystr("utility");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_TOOLBAR) {
ystr("toolbar");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_SPLASH) {
ystr("splash");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_MENU) {
ystr("menu");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_DROPDOWN_MENU) {
ystr("dropdown_menu");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_POPUP_MENU) {
ystr("popup_menu");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_TOOLTIP) {
ystr("tooltip");
} else if (con->window->window_type == A__NET_WM_WINDOW_TYPE_NOTIFICATION) {
ystr("notification");
} else {
ystr("unknown");
}
} else
y(null);
if (con->window && !inplace_restart) {
/* Window properties are useless to preserve when restarting because
* they will be queried again anyway. However, for i3-save-tree(1),
* they are very useful and save i3-save-tree dealing with X11. */
ystr("window_properties");
y(map_open);
#define DUMP_PROPERTY(key, prop_name) \
do { \
if (con->window->prop_name != NULL) { \
ystr(key); \
ystr(con->window->prop_name); \
} \
} while (0)
DUMP_PROPERTY("class", class_class);
DUMP_PROPERTY("instance", class_instance);
DUMP_PROPERTY("window_role", role);
if (con->window->name != NULL) {
ystr("title");
ystr(i3string_as_utf8(con->window->name));
}
ystr("transient_for");
if (con->window->transient_for == XCB_NONE)
y(null);
else
y(integer, con->window->transient_for);
y(map_close);
}
ystr("nodes");
y(array_open);
Con *node;
if (con->type != CT_DOCKAREA || !inplace_restart) {
TAILQ_FOREACH (node, &(con->nodes_head), nodes) {
dump_node(gen, node, inplace_restart);
}
}
y(array_close);
ystr("floating_nodes");
y(array_open);
TAILQ_FOREACH (node, &(con->floating_head), floating_windows) {
dump_node(gen, node, inplace_restart);
}
y(array_close);
ystr("focus");
y(array_open);
TAILQ_FOREACH (node, &(con->focus_head), focused) {
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:
ystr("auto_off");
break;
case FLOATING_AUTO_ON:
ystr("auto_on");
break;
case FLOATING_USER_OFF:
ystr("user_off");
break;
case FLOATING_USER_ON:
ystr("user_on");
break;
}
ystr("swallows");
y(array_open);
Match *match;
TAILQ_FOREACH (match, &(con->swallow_head), matches) {
/* We will generate a new restart_mode match specification after this
* loop, so skip this one. */
if (match->restart_mode)
continue;
y(map_open);
if (match->dock != M_DONTCHECK) {
ystr("dock");
y(integer, match->dock);
ystr("insert_where");
y(integer, match->insert_where);
}
#define DUMP_REGEX(re_name) \
do { \
if (match->re_name != NULL) { \
ystr(#re_name); \
ystr(match->re_name->pattern); \
} \
} while (0)
DUMP_REGEX(class);
DUMP_REGEX(instance);
DUMP_REGEX(window_role);
DUMP_REGEX(title);
#undef DUMP_REGEX
y(map_close);
}
if (inplace_restart) {
if (con->window != NULL) {
y(map_open);
ystr("id");
y(integer, con->window->id);
ystr("restart_mode");
y(bool, true);
y(map_close);
}
}
y(array_close);
if (inplace_restart && con->window != NULL) {
ystr("depth");
y(integer, con->depth);
}
if (inplace_restart && con->type == CT_ROOT && previous_workspace_name) {
ystr("previous_workspace_name");
ystr(previous_workspace_name);
}
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);
ystr("id");
ystr(config->id);
if (config->num_outputs > 0) {
ystr("outputs");
y(array_open);
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);
}
#define YSTR_IF_SET(name) \
do { \
if (config->name) { \
ystr(#name); \
ystr(config->name); \
} \
} while (0)
ystr("tray_padding");
y(integer, config->tray_padding);
YSTR_IF_SET(socket_path);
ystr("mode");
switch (config->mode) {
case M_HIDE:
ystr("hide");
break;
case M_INVISIBLE:
ystr("invisible");
break;
case M_DOCK:
default:
ystr("dock");
break;
}
ystr("hidden_state");
switch (config->hidden_state) {
case S_SHOW:
ystr("show");
break;
case S_HIDE:
default:
ystr("hide");
break;
}
ystr("modifier");
y(integer, config->modifier);
dump_bar_bindings(gen, config);
ystr("position");
if (config->position == P_BOTTOM)
ystr("bottom");
else
ystr("top");
YSTR_IF_SET(status_command);
YSTR_IF_SET(font);
if (config->separator_symbol) {
ystr("separator_symbol");
ystr(config->separator_symbol);
}
ystr("workspace_buttons");
y(bool, !config->hide_workspace_buttons);
ystr("workspace_min_width");
y(integer, config->workspace_min_width);
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("verbose");
y(bool, config->verbose);
#undef YSTR_IF_SET
#define YSTR_IF_SET(name) \
do { \
if (config->colors.name) { \
ystr(#name); \
ystr(config->colors.name); \
} \
} while (0)
ystr("colors");
y(map_open);
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(active_workspace_border);
YSTR_IF_SET(active_workspace_bg);
YSTR_IF_SET(active_workspace_text);
YSTR_IF_SET(inactive_workspace_border);
YSTR_IF_SET(inactive_workspace_bg);
YSTR_IF_SET(inactive_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);
#undef YSTR_IF_SET
}
IPC_HANDLER(tree) {
setlocale(LC_NUMERIC, "C");
yajl_gen gen = ygenalloc();
dump_node(gen, croot, false);
setlocale(LC_NUMERIC, "");
const unsigned char *payload;
ylength length;
y(get_buf, &payload, &length);
ipc_send_client_message(client, length, I3_IPC_REPLY_TYPE_TREE, payload);
y(free);
}
/*
* Formats the reply message for a GET_WORKSPACES request and sends it to the
* client
*
*/
IPC_HANDLER(get_workspaces) {
yajl_gen gen = ygenalloc();
y(array_open);
Con *focused_ws = con_get_workspace(focused);
Con *output;
TAILQ_FOREACH (output, &(croot->nodes_head), nodes) {
if (con_is_internal(output))
continue;
Con *ws;
TAILQ_FOREACH (ws, &(output_get_content(output)->nodes_head), nodes) {
assert(ws->type == CT_WORKSPACE);
y(map_open);
ystr("id");
y(integer, (uintptr_t)ws);
ystr("num");
y(integer, ws->num);
ystr("name");
ystr(ws->name);
ystr("visible");
y(bool, workspace_is_visible(ws));
ystr("focused");
y(bool, ws == focused_ws);
ystr("rect");
y(map_open);
ystr("x");
y(integer, ws->rect.x);
ystr("y");
y(integer, ws->rect.y);
ystr("width");
y(integer, ws->rect.width);
ystr("height");
y(integer, ws->rect.height);
y(map_close);
ystr("output");
ystr(output->name);
ystr("urgent");
y(bool, ws->urgent);
y(map_close);
}
}
y(array_close);
const unsigned char *payload;
ylength length;
y(get_buf, &payload, &length);
ipc_send_client_message(client, length, I3_IPC_REPLY_TYPE_WORKSPACES, payload);
y(free);
}
/*
* Formats the reply message for a GET_OUTPUTS request and sends it to the
* client
*
*/
IPC_HANDLER(get_outputs) {
yajl_gen gen = ygenalloc();
y(array_open);
Output *output;
TAILQ_FOREACH (output, &outputs, outputs) {
y(map_open);
ystr("name");
ystr(output_primary_name(output));
ystr("active");
y(bool, output->active);
ystr("primary");
y(bool, output->primary);
ystr("rect");
y(map_open);
ystr("x");
y(integer, output->rect.x);
ystr("y");
y(integer, output->rect.y);
ystr("width");
y(integer, output->rect.width);
ystr("height");
y(integer, output->rect.height);
y(map_close);
ystr("current_workspace");
Con *ws = NULL;
if (output->con && (ws = con_get_fullscreen_con(output->con, CF_OUTPUT)))
ystr(ws->name);
else
y(null);
y(map_close);
}
y(array_close);
const unsigned char *payload;