+#undef I3__FILE__
+#define I3__FILE__ "ipc.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2012 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 <sys/socket.h>
#include <sys/un.h>
#include <ev.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
char *current_socketpath = NULL;
-/* Shorter names for all those yajl_gen_* functions */
-#define y(x, ...) yajl_gen_ ## x (gen, ##__VA_ARGS__)
-#define ystr(str) yajl_gen_string(gen, (unsigned char*)str, strlen(str))
-
TAILQ_HEAD(ipc_client_head, ipc_client) all_clients = TAILQ_HEAD_INITIALIZER(all_clients);
/*
ELOG("mkdir(%s) failed: %s\n", path, strerror(errno));
return false;
}
- char *copy = strdup(path);
+ char *copy = sstrdup(path);
/* strip trailing slashes, if any */
while (copy[strlen(copy)-1] == '/')
copy[strlen(copy)-1] = '\0';
* when exiting or restarting only!
*
*/
-void ipc_shutdown() {
+void ipc_shutdown(void) {
ipc_client *current;
while (!TAILQ_EMPTY(&all_clients)) {
current = TAILQ_FIRST(&all_clients);
char *command = scalloc(message_size + 1);
strncpy(command, (const char*)message, message_size);
LOG("IPC: received: *%s*\n", command);
- char *reply = parse_cmd((const char*)command);
- char *save_reply = reply;
+ struct CommandResult *command_output = parse_command((const char*)command);
free(command);
- /* If no reply was provided, we just use the default success message */
- if (reply == NULL)
- reply = "{\"success\":true}";
- ipc_send_message(fd, strlen(reply), I3_IPC_REPLY_TYPE_COMMAND, (const uint8_t*)reply);
+ if (command_output->needs_tree_render)
+ tree_render();
+
+ const unsigned char *reply;
+ ylength length;
+ yajl_gen_get_buf(command_output->json_gen, &reply, &length);
+
+ ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_COMMAND,
+ (const uint8_t*)reply);
- FREE(save_reply);
+ yajl_gen_free(command_output->json_gen);
}
static void dump_rect(yajl_gen gen, const char *name, Rect r) {
ystr("type");
y(integer, con->type);
+ /* provided for backwards compatibility only. */
ystr("orientation");
- switch (con->orientation) {
- case NO_ORIENTATION:
- ystr("none");
- break;
- case HORIZ:
+ if (!con_is_split(con))
+ ystr("none");
+ else {
+ if (con_orientation(con) == HORIZ)
ystr("horizontal");
- break;
- case VERT:
- ystr("vertical");
- break;
+ else ystr("vertical");
}
ystr("scratchpad_state");
ystr("layout");
switch (con->layout) {
case L_DEFAULT:
- ystr("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;
}
+ 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:
case BS_NONE:
ystr("none");
break;
- case BS_1PIXEL:
- ystr("1pixel");
+ 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, "window_rect", con->window_rect);
dump_rect(gen, "geometry", con->geometry);
ystr("name");
- if (con->window && con->window->name_json)
- ystr(con->window->name_json);
+ if (con->window && con->window->name)
+ ystr(i3string_as_utf8(con->window->name));
else
ystr(con->name);
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);
+ }
+
y(map_close);
}
IPC_HANDLER(tree) {
setlocale(LC_NUMERIC, "C");
-#if YAJL_MAJOR >= 2
- yajl_gen gen = yajl_gen_alloc(NULL);
-#else
- yajl_gen gen = yajl_gen_alloc(NULL, NULL);
-#endif
+ yajl_gen gen = ygenalloc();
dump_node(gen, croot, false);
setlocale(LC_NUMERIC, "");
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_TREE, payload);
*
*/
IPC_HANDLER(get_workspaces) {
-#if YAJL_MAJOR >= 2
- yajl_gen gen = yajl_gen_alloc(NULL);
-#else
- yajl_gen gen = yajl_gen_alloc(NULL, NULL);
-#endif
+ yajl_gen gen = ygenalloc();
y(array_open);
Con *focused_ws = con_get_workspace(focused);
Con *output;
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
- if (output->name[0] == '_' && output->name[1] == '_')
+ if (con_is_internal(output))
continue;
Con *ws;
TAILQ_FOREACH(ws, &(output_get_content(output)->nodes_head), nodes) {
y(array_close);
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_WORKSPACES, payload);
*
*/
IPC_HANDLER(get_outputs) {
-#if YAJL_MAJOR >= 2
- yajl_gen gen = yajl_gen_alloc(NULL);
-#else
- yajl_gen gen = yajl_gen_alloc(NULL, NULL);
-#endif
+ yajl_gen gen = ygenalloc();
y(array_open);
Output *output;
ystr("active");
y(bool, output->active);
+ ystr("primary");
+ y(bool, output->primary);
+
ystr("rect");
y(map_open);
ystr("x");
y(array_close);
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_OUTPUTS, payload);
*
*/
IPC_HANDLER(get_marks) {
-#if YAJL_MAJOR >= 2
- yajl_gen gen = yajl_gen_alloc(NULL);
-#else
- yajl_gen gen = yajl_gen_alloc(NULL, NULL);
-#endif
+ yajl_gen gen = ygenalloc();
y(array_open);
Con *con;
y(array_close);
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_MARKS, payload);
y(free);
}
+/*
+ * Returns the version of i3
+ *
+ */
+IPC_HANDLER(get_version) {
+ yajl_gen gen = ygenalloc();
+ y(map_open);
+
+ ystr("major");
+ y(integer, MAJOR_VERSION);
+
+ ystr("minor");
+ y(integer, MINOR_VERSION);
+
+ ystr("patch");
+ y(integer, PATCH_VERSION);
+
+ ystr("human_readable");
+ ystr(I3_VERSION);
+
+ y(map_close);
+
+ const unsigned char *payload;
+ ylength length;
+ y(get_buf, &payload, &length);
+
+ ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_VERSION, payload);
+ y(free);
+}
+
/*
* Formats the reply message for a GET_BAR_CONFIG request and sends it to the
* client.
*
*/
IPC_HANDLER(get_bar_config) {
-#if YAJL_MAJOR >= 2
- yajl_gen gen = yajl_gen_alloc(NULL);
-#else
- yajl_gen gen = yajl_gen_alloc(NULL, NULL);
-#endif
+ yajl_gen gen = ygenalloc();
/* If no ID was passed, we return a JSON array with all IDs */
if (message_size == 0) {
y(array_close);
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_BAR_CONFIG, payload);
YSTR_IF_SET(socket_path);
ystr("mode");
- if (config->mode == M_HIDE)
- ystr("hide");
- else ystr("dock");
+ 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");
switch (config->modifier) {
y(map_open);
YSTR_IF_SET(background);
YSTR_IF_SET(statusline);
- YSTR_IF_SET(focused_workspace_text);
+ YSTR_IF_SET(separator);
+ YSTR_IF_SET(focused_workspace_border);
YSTR_IF_SET(focused_workspace_bg);
- YSTR_IF_SET(active_workspace_text);
+ YSTR_IF_SET(focused_workspace_text);
+ YSTR_IF_SET(active_workspace_border);
YSTR_IF_SET(active_workspace_bg);
- YSTR_IF_SET(inactive_workspace_text);
+ YSTR_IF_SET(active_workspace_text);
+ YSTR_IF_SET(inactive_workspace_border);
YSTR_IF_SET(inactive_workspace_bg);
- YSTR_IF_SET(urgent_workspace_text);
+ YSTR_IF_SET(inactive_workspace_text);
+ YSTR_IF_SET(urgent_workspace_border);
YSTR_IF_SET(urgent_workspace_bg);
+ YSTR_IF_SET(urgent_workspace_text);
y(map_close);
#undef YSTR_IF_SET
y(map_close);
const unsigned char *payload;
-#if YAJL_MAJOR >= 2
- size_t length;
-#else
- unsigned int length;
-#endif
+ ylength length;
y(get_buf, &payload, &length);
ipc_send_message(fd, length, I3_IPC_REPLY_TYPE_BAR_CONFIG, payload);
* Callback for the YAJL parser (will be called when a string is parsed).
*
*/
-#if YAJL_MAJOR < 2
static int add_subscription(void *extra, const unsigned char *s,
- unsigned int len) {
-#else
-static int add_subscription(void *extra, const unsigned char *s,
- size_t len) {
-#endif
+ ylength len) {
ipc_client *client = extra;
- DLOG("should add subscription to extra %p, sub %.*s\n", client, len, s);
+ DLOG("should add subscription to extra %p, sub %.*s\n", client, (int)len, s);
int event = client->num_events;
client->num_events++;
memset(&callbacks, 0, sizeof(yajl_callbacks));
callbacks.yajl_string = add_subscription;
-#if YAJL_MAJOR >= 2
- p = yajl_alloc(&callbacks, NULL, (void*)client);
-#else
- p = yajl_alloc(&callbacks, NULL, NULL, (void*)client);
-#endif
+ p = yalloc(&callbacks, (void*)client);
stat = yajl_parse(p, (const unsigned char*)message, message_size);
if (stat != yajl_status_ok) {
unsigned char *err;
/* The index of each callback function corresponds to the numeric
* value of the message type (see include/i3/ipc.h) */
-handler_t handlers[7] = {
+handler_t handlers[8] = {
handle_command,
handle_get_workspaces,
handle_subscribe,
handle_tree,
handle_get_marks,
handle_get_bar_config,
+ handle_get_version,
};
/*
*
*/
static void ipc_receive_message(EV_P_ struct ev_io *w, int revents) {
- char buf[2048];
- int n = read(w->fd, buf, sizeof(buf));
-
- /* On error or an empty message, we close the connection */
- if (n <= 0) {
-#if 0
- /* FIXME: I get these when closing a client socket,
- * therefore we just treat them as an error. Is this
- * correct? */
- if (errno == EAGAIN || errno == EWOULDBLOCK)
- return;
-#endif
+ uint32_t message_type;
+ uint32_t message_length;
+ uint8_t *message;
+
+ int ret = ipc_recv_message(w->fd, &message_type, &message_length, &message);
+ /* EOF or other error */
+ if (ret < 0) {
+ /* Was this a spurious read? See ev(3) */
+ if (ret == -1 && errno == EAGAIN)
+ return;
/* If not, there was some kind of error. We don’t bother
* and close the connection */
return;
}
- /* Terminate the message correctly */
- buf[n] = '\0';
-
- /* Check if the message starts with the i3 IPC magic code */
- if (n < strlen(I3_IPC_MAGIC)) {
- DLOG("IPC: message too short, ignoring\n");
- return;
- }
-
- if (strncmp(buf, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC)) != 0) {
- DLOG("IPC: message does not start with the IPC magic\n");
- return;
- }
-
- uint8_t *message = (uint8_t*)buf;
- while (n > 0) {
- DLOG("IPC: n = %d\n", n);
- message += strlen(I3_IPC_MAGIC);
- n -= strlen(I3_IPC_MAGIC);
-
- /* The next 32 bit after the magic are the message size */
- uint32_t message_size;
- memcpy(&message_size, (uint32_t*)message, sizeof(uint32_t));
- message += sizeof(uint32_t);
- n -= sizeof(uint32_t);
-
- if (message_size > n) {
- DLOG("IPC: Either the message size was wrong or the message was not read completely, dropping\n");
- return;
- }
-
- /* The last 32 bits of the header are the message type */
- uint32_t message_type;
- memcpy(&message_type, (uint32_t*)message, sizeof(uint32_t));
- message += sizeof(uint32_t);
- n -= sizeof(uint32_t);
-
- if (message_type >= (sizeof(handlers) / sizeof(handler_t)))
- DLOG("Unhandled message type: %d\n", message_type);
- else {
- handler_t h = handlers[message_type];
- h(w->fd, message, n, message_size, message_type);
- }
- n -= message_size;
- message += message_size;
+ if (message_type >= (sizeof(handlers) / sizeof(handler_t)))
+ DLOG("Unhandled message type: %d\n", message_type);
+ else {
+ handler_t h = handlers[message_type];
+ h(w->fd, message, 0, message_length, message_type);
}
}
projects / i3 / i3 / blobdiff