X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fipc.c;h=eebb576ef4cefa8899d04a04f92b179475f95026;hb=fe6b3b74748c711be27459ad61dfe6f1909b4af2;hp=52f7db2efe432c50fedecefb0940b8404b8ef2b2;hpb=93adcf8bdcc09ab78ed265b3392900be552596fa;p=i3%2Fi3 diff --git a/src/ipc.c b/src/ipc.c index 52f7db2e..eebb576e 100644 --- a/src/ipc.c +++ b/src/ipc.c @@ -1,17 +1,17 @@ -#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 #include #include #include @@ -22,7 +22,8 @@ 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 @@ -37,36 +38,6 @@ static void set_nonblock(int sockfd) { 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. @@ -91,16 +62,47 @@ void ipc_send_event(const char *event, uint32_t message_type, const char *payloa } /* - * 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); } @@ -111,10 +113,10 @@ void ipc_shutdown(void) { * 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); @@ -151,56 +153,92 @@ static void dump_rect(yajl_gen gen, const char *name, Rect r) { 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); } @@ -208,7 +246,7 @@ static void dump_binding(yajl_gen gen, Binding *bind) { 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) { @@ -230,10 +268,6 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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. */ @@ -269,14 +303,26 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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: @@ -359,6 +405,11 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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); @@ -423,13 +474,16 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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: @@ -455,7 +509,7 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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"); @@ -499,6 +553,39 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) { 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); @@ -508,8 +595,25 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { 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); } @@ -521,7 +625,9 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { } \ } while (0) - YSTR_IF_SET(tray_output); + ystr("tray_padding"); + y(integer, config->tray_padding); + YSTR_IF_SET(socket_path); ystr("mode"); @@ -550,44 +656,9 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { } 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) @@ -609,6 +680,9 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { 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); @@ -629,6 +703,9 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { 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); @@ -641,6 +718,9 @@ static void dump_bar_config(yajl_gen gen, Barconfig *config) { 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); @@ -739,7 +819,7 @@ IPC_HANDLER(get_outputs) { y(map_open); ystr("name"); - ystr(output->name); + ystr(output_primary_name(output)); ystr("active"); y(bool, output->active); @@ -789,9 +869,12 @@ IPC_HANDLER(get_marks) { 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); @@ -821,7 +904,10 @@ IPC_HANDLER(get_version) { y(integer, PATCH_VERSION); ystr("human_readable"); - ystr(I3_VERSION); + ystr(i3_version); + + ystr("loaded_config_file_name"); + ystr(current_configpath); y(map_close); @@ -861,8 +947,8 @@ IPC_HANDLER(get_bar_config) { /* 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) { @@ -872,6 +958,7 @@ IPC_HANDLER(get_bar_config) { config = current; break; } + free(bar_id); if (!config) { /* If we did not find a config for the given ID, the reply will contain @@ -894,6 +981,28 @@ IPC_HANDLER(get_bar_config) { 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). * @@ -906,15 +1015,16 @@ static int add_subscription(void *extra, const unsigned char *s, 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; @@ -966,12 +1076,137 @@ IPC_HANDLER(subscribe) { 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, @@ -979,6 +1214,10 @@ handler_t handlers[8] = { handle_get_marks, handle_get_bar_config, handle_get_version, + handle_get_binding_modes, + handle_get_config, + handle_send_tick, + handle_sync, }; /* @@ -1017,6 +1256,7 @@ static void ipc_receive_message(EV_P_ struct ev_io *w, int revents) { 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); @@ -1066,13 +1306,13 @@ void ipc_new_client(EV_P_ struct ev_io *w, int revents) { 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); @@ -1093,7 +1333,7 @@ int ipc_create_socket(const char *filename) { 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 */