sway/swaymsg/main.c
2021-02-04 09:49:06 +01:00

549 lines
15 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <getopt.h>
#include <stdint.h>
#include <sys/un.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <ctype.h>
#include <unistd.h>
#include <json.h>
#include "stringop.h"
#include "ipc-client.h"
#include "log.h"
void sway_terminate(int exit_code) {
exit(exit_code);
}
static bool success_object(json_object *result) {
json_object *success;
if (!json_object_object_get_ex(result, "success", &success)) {
return true;
}
return json_object_get_boolean(success);
}
// Iterate results array and return false if any of them failed
static bool success(json_object *r, bool fallback) {
if (!json_object_is_type(r, json_type_array)) {
if (json_object_is_type(r, json_type_object)) {
return success_object(r);
}
return fallback;
}
size_t results_len = json_object_array_length(r);
if (!results_len) {
return fallback;
}
for (size_t i = 0; i < results_len; ++i) {
json_object *result = json_object_array_get_idx(r, i);
if (!success_object(result)) {
return false;
}
}
return true;
}
static void pretty_print_cmd(json_object *r) {
if (!success_object(r)) {
json_object *error;
if (!json_object_object_get_ex(r, "error", &error)) {
printf("An unknkown error occurred");
} else {
printf("Error: %s\n", json_object_get_string(error));
}
}
}
static void pretty_print_workspace(json_object *w) {
json_object *name, *rect, *visible, *output, *urgent, *layout,
*representation, *focused;
json_object_object_get_ex(w, "name", &name);
json_object_object_get_ex(w, "rect", &rect);
json_object_object_get_ex(w, "visible", &visible);
json_object_object_get_ex(w, "output", &output);
json_object_object_get_ex(w, "urgent", &urgent);
json_object_object_get_ex(w, "layout", &layout);
json_object_object_get_ex(w, "representation", &representation);
json_object_object_get_ex(w, "focused", &focused);
printf(
"Workspace %s%s%s%s\n"
" Output: %s\n"
" Layout: %s\n"
" Representation: %s\n\n",
json_object_get_string(name),
json_object_get_boolean(focused) ? " (focused)" : "",
!json_object_get_boolean(visible) ? " (off-screen)" : "",
json_object_get_boolean(urgent) ? " (urgent)" : "",
json_object_get_string(output),
json_object_get_string(layout),
json_object_get_string(representation)
);
}
static const char *pretty_type_name(const char *name) {
// TODO these constants probably belong in the common lib
struct {
const char *a;
const char *b;
} type_names[] = {
{ "keyboard", "Keyboard" },
{ "pointer", "Mouse" },
{ "touchpad", "Touchpad" },
{ "tablet_pad", "Tablet pad" },
{ "tablet_tool", "Tablet tool" },
{ "touch", "Touch" },
{ "switch", "Switch" },
};
for (size_t i = 0; i < sizeof(type_names) / sizeof(type_names[0]); ++i) {
if (strcmp(type_names[i].a, name) == 0) {
return type_names[i].b;
}
}
return name;
}
static void pretty_print_input(json_object *i) {
json_object *id, *name, *type, *product, *vendor, *kbdlayout, *libinput;
json_object_object_get_ex(i, "identifier", &id);
json_object_object_get_ex(i, "name", &name);
json_object_object_get_ex(i, "type", &type);
json_object_object_get_ex(i, "product", &product);
json_object_object_get_ex(i, "vendor", &vendor);
const char *fmt =
"Input device: %s\n"
" Type: %s\n"
" Identifier: %s\n"
" Product ID: %d\n"
" Vendor ID: %d\n";
printf(fmt, json_object_get_string(name),
pretty_type_name(json_object_get_string(type)),
json_object_get_string(id),
json_object_get_int(product),
json_object_get_int(vendor));
if (json_object_object_get_ex(i, "xkb_active_layout_name", &kbdlayout)) {
const char *layout = json_object_get_string(kbdlayout);
printf(" Active Keyboard Layout: %s\n", layout ? layout : "(unnamed)");
}
if (json_object_object_get_ex(i, "libinput", &libinput)) {
json_object *events;
if (json_object_object_get_ex(libinput, "send_events", &events)) {
printf(" Libinput Send Events: %s\n",
json_object_get_string(events));
}
}
printf("\n");
}
static void pretty_print_seat(json_object *i) {
json_object *name, *capabilities, *devices;
json_object_object_get_ex(i, "name", &name);
json_object_object_get_ex(i, "capabilities", &capabilities);
json_object_object_get_ex(i, "devices", &devices);
const char *fmt =
"Seat: %s\n"
" Capabilities: %d\n";
printf(fmt, json_object_get_string(name),
json_object_get_int(capabilities));
size_t devices_len = json_object_array_length(devices);
if (devices_len > 0) {
printf(" Devices:\n");
for (size_t i = 0; i < devices_len; ++i) {
json_object *device = json_object_array_get_idx(devices, i);
json_object *device_name;
json_object_object_get_ex(device, "name", &device_name);
printf(" %s\n", json_object_get_string(device_name));
}
}
printf("\n");
}
static void pretty_print_output(json_object *o) {
json_object *name, *rect, *focused, *active, *ws, *current_mode;
json_object_object_get_ex(o, "name", &name);
json_object_object_get_ex(o, "rect", &rect);
json_object_object_get_ex(o, "focused", &focused);
json_object_object_get_ex(o, "active", &active);
json_object_object_get_ex(o, "current_workspace", &ws);
json_object *make, *model, *serial, *scale, *scale_filter, *subpixel,
*transform, *max_render_time, *adaptive_sync_status;
json_object_object_get_ex(o, "make", &make);
json_object_object_get_ex(o, "model", &model);
json_object_object_get_ex(o, "serial", &serial);
json_object_object_get_ex(o, "scale", &scale);
json_object_object_get_ex(o, "scale_filter", &scale_filter);
json_object_object_get_ex(o, "subpixel_hinting", &subpixel);
json_object_object_get_ex(o, "transform", &transform);
json_object_object_get_ex(o, "max_render_time", &max_render_time);
json_object_object_get_ex(o, "adaptive_sync_status", &adaptive_sync_status);
json_object *x, *y;
json_object_object_get_ex(rect, "x", &x);
json_object_object_get_ex(rect, "y", &y);
json_object *modes;
json_object_object_get_ex(o, "modes", &modes);
json_object *width, *height, *refresh;
json_object_object_get_ex(o, "current_mode", &current_mode);
json_object_object_get_ex(current_mode, "width", &width);
json_object_object_get_ex(current_mode, "height", &height);
json_object_object_get_ex(current_mode, "refresh", &refresh);
if (json_object_get_boolean(active)) {
printf(
"Output %s '%s %s %s'%s\n"
" Current mode: %dx%d @ %.3f Hz\n"
" Position: %d,%d\n"
" Scale factor: %f\n"
" Scale filter: %s\n"
" Subpixel hinting: %s\n"
" Transform: %s\n"
" Workspace: %s\n",
json_object_get_string(name),
json_object_get_string(make),
json_object_get_string(model),
json_object_get_string(serial),
json_object_get_boolean(focused) ? " (focused)" : "",
json_object_get_int(width),
json_object_get_int(height),
(double)json_object_get_int(refresh) / 1000,
json_object_get_int(x), json_object_get_int(y),
json_object_get_double(scale),
json_object_get_string(scale_filter),
json_object_get_string(subpixel),
json_object_get_string(transform),
json_object_get_string(ws)
);
int max_render_time_int = json_object_get_int(max_render_time);
printf(" Max render time: ");
printf(max_render_time_int == 0 ? "off\n" : "%d ms\n", max_render_time_int);
printf(" Adaptive sync: %s\n",
json_object_get_string(adaptive_sync_status));
} else {
printf(
"Output %s '%s %s %s' (inactive)\n",
json_object_get_string(name),
json_object_get_string(make),
json_object_get_string(model),
json_object_get_string(serial)
);
}
size_t modes_len = json_object_is_type(modes, json_type_array)
? json_object_array_length(modes) : 0;
if (modes_len > 0) {
printf(" Available modes:\n");
for (size_t i = 0; i < modes_len; ++i) {
json_object *mode = json_object_array_get_idx(modes, i);
json_object *mode_width, *mode_height, *mode_refresh;
json_object_object_get_ex(mode, "width", &mode_width);
json_object_object_get_ex(mode, "height", &mode_height);
json_object_object_get_ex(mode, "refresh", &mode_refresh);
printf(" %dx%d @ %.3f Hz\n", json_object_get_int(mode_width),
json_object_get_int(mode_height),
(double)json_object_get_int(mode_refresh) / 1000);
}
}
printf("\n");
}
static void pretty_print_version(json_object *v) {
json_object *ver;
json_object_object_get_ex(v, "human_readable", &ver);
printf("sway version %s\n", json_object_get_string(ver));
}
static void pretty_print_config(json_object *c) {
json_object *config;
json_object_object_get_ex(c, "config", &config);
printf("%s\n", json_object_get_string(config));
}
static void pretty_print(int type, json_object *resp) {
if (type != IPC_COMMAND && type != IPC_GET_WORKSPACES &&
type != IPC_GET_INPUTS && type != IPC_GET_OUTPUTS &&
type != IPC_GET_VERSION && type != IPC_GET_SEATS &&
type != IPC_GET_CONFIG && type != IPC_SEND_TICK) {
printf("%s\n", json_object_to_json_string_ext(resp,
JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
return;
}
if (type == IPC_SEND_TICK) {
return;
}
if (type == IPC_GET_VERSION) {
pretty_print_version(resp);
return;
}
if (type == IPC_GET_CONFIG) {
pretty_print_config(resp);
return;
}
json_object *obj;
size_t len = json_object_array_length(resp);
for (size_t i = 0; i < len; ++i) {
obj = json_object_array_get_idx(resp, i);
switch (type) {
case IPC_COMMAND:
pretty_print_cmd(obj);
break;
case IPC_GET_WORKSPACES:
pretty_print_workspace(obj);
break;
case IPC_GET_INPUTS:
pretty_print_input(obj);
break;
case IPC_GET_OUTPUTS:
pretty_print_output(obj);
break;
case IPC_GET_SEATS:
pretty_print_seat(obj);
break;
}
}
}
int main(int argc, char **argv) {
static bool quiet = false;
static bool raw = false;
static bool monitor = false;
char *socket_path = NULL;
char *cmdtype = NULL;
sway_log_init(SWAY_INFO, NULL);
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"monitor", no_argument, NULL, 'm'},
{"pretty", no_argument, NULL, 'p'},
{"quiet", no_argument, NULL, 'q'},
{"raw", no_argument, NULL, 'r'},
{"socket", required_argument, NULL, 's'},
{"type", required_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0}
};
const char *usage =
"Usage: swaymsg [options] [message]\n"
"\n"
" -h, --help Show help message and quit.\n"
" -m, --monitor Monitor until killed (-t SUBSCRIBE only)\n"
" -p, --pretty Use pretty output even when not using a tty\n"
" -q, --quiet Be quiet.\n"
" -r, --raw Use raw output even if using a tty\n"
" -s, --socket <socket> Use the specified socket.\n"
" -t, --type <type> Specify the message type.\n"
" -v, --version Show the version number and quit.\n";
raw = !isatty(STDOUT_FILENO);
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hmpqrs:t:v", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 'm': // Monitor
monitor = true;
break;
case 'p': // Pretty
raw = false;
break;
case 'q': // Quiet
quiet = true;
break;
case 'r': // Raw
raw = true;
break;
case 's': // Socket
socket_path = strdup(optarg);
break;
case 't': // Type
cmdtype = strdup(optarg);
break;
case 'v':
printf("swaymsg version " SWAY_VERSION "\n");
exit(EXIT_SUCCESS);
break;
default:
fprintf(stderr, "%s", usage);
exit(EXIT_FAILURE);
}
}
if (!cmdtype) {
cmdtype = strdup("command");
}
if (!socket_path) {
socket_path = get_socketpath();
if (!socket_path) {
if (quiet) {
exit(EXIT_FAILURE);
}
sway_abort("Unable to retrieve socket path");
}
}
uint32_t type = IPC_COMMAND;
if (strcasecmp(cmdtype, "command") == 0) {
type = IPC_COMMAND;
} else if (strcasecmp(cmdtype, "get_workspaces") == 0) {
type = IPC_GET_WORKSPACES;
} else if (strcasecmp(cmdtype, "get_seats") == 0) {
type = IPC_GET_SEATS;
} else if (strcasecmp(cmdtype, "get_inputs") == 0) {
type = IPC_GET_INPUTS;
} else if (strcasecmp(cmdtype, "get_outputs") == 0) {
type = IPC_GET_OUTPUTS;
} else if (strcasecmp(cmdtype, "get_tree") == 0) {
type = IPC_GET_TREE;
} else if (strcasecmp(cmdtype, "get_marks") == 0) {
type = IPC_GET_MARKS;
} else if (strcasecmp(cmdtype, "get_bar_config") == 0) {
type = IPC_GET_BAR_CONFIG;
} else if (strcasecmp(cmdtype, "get_version") == 0) {
type = IPC_GET_VERSION;
} else if (strcasecmp(cmdtype, "get_binding_modes") == 0) {
type = IPC_GET_BINDING_MODES;
} else if (strcasecmp(cmdtype, "get_binding_state") == 0) {
type = IPC_GET_BINDING_STATE;
} else if (strcasecmp(cmdtype, "get_config") == 0) {
type = IPC_GET_CONFIG;
} else if (strcasecmp(cmdtype, "send_tick") == 0) {
type = IPC_SEND_TICK;
} else if (strcasecmp(cmdtype, "subscribe") == 0) {
type = IPC_SUBSCRIBE;
} else {
if (quiet) {
exit(EXIT_FAILURE);
}
sway_abort("Unknown message type %s", cmdtype);
}
free(cmdtype);
if (monitor && type != IPC_SUBSCRIBE) {
if (!quiet) {
sway_log(SWAY_ERROR, "Monitor can only be used with -t SUBSCRIBE");
}
free(socket_path);
return 1;
}
char *command = NULL;
if (optind < argc) {
command = join_args(argv + optind, argc - optind);
} else {
command = strdup("");
}
int ret = 0;
int socketfd = ipc_open_socket(socket_path);
struct timeval timeout = {.tv_sec = 3, .tv_usec = 0};
ipc_set_recv_timeout(socketfd, timeout);
uint32_t len = strlen(command);
char *resp = ipc_single_command(socketfd, type, command, &len);
// pretty print the json
json_object *obj = json_tokener_parse(resp);
if (obj == NULL) {
if (!quiet) {
fprintf(stderr, "ERROR: Could not parse json response from ipc. "
"This is a bug in sway.");
printf("%s\n", resp);
}
ret = 1;
} else {
if (!success(obj, true)) {
ret = 2;
}
if (!quiet && (type != IPC_SUBSCRIBE || ret != 0)) {
if (raw) {
printf("%s\n", json_object_to_json_string_ext(obj,
JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
} else {
pretty_print(type, obj);
}
}
json_object_put(obj);
}
free(command);
free(resp);
if (type == IPC_SUBSCRIBE && ret == 0) {
// Remove the timeout for subscribed events
timeout.tv_sec = 0;
timeout.tv_usec = 0;
ipc_set_recv_timeout(socketfd, timeout);
do {
struct ipc_response *reply = ipc_recv_response(socketfd);
if (!reply) {
break;
}
json_object *obj = json_tokener_parse(reply->payload);
if (obj == NULL) {
if (!quiet) {
fprintf(stderr, "ERROR: Could not parse json response from"
" ipc. This is a bug in sway.");
ret = 1;
}
break;
} else if (quiet) {
json_object_put(obj);
} else {
if (raw) {
printf("%s\n", json_object_to_json_string(obj));
} else {
printf("%s\n", json_object_to_json_string_ext(obj,
JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
}
fflush(stdout);
json_object_put(obj);
}
free_ipc_response(reply);
} while (monitor);
}
close(socketfd);
free(socket_path);
return ret;
}