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i3-msg: re-indent main.c

This commit is contained in:
Michael Stapelberg 2011-07-13 17:53:07 +02:00
parent 806ad77399
commit ba7e82fc94
1 changed files with 149 additions and 149 deletions
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298
i3-msg/main.c
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@ -1,5 +1,5 @@
/* /*
* vim:ts=8:expandtab * vim:ts=4:sw=4:expandtab
* *
* i3 - an improved dynamic tiling window manager * i3 - an improved dynamic tiling window manager
* *
@ -43,33 +43,33 @@ static char *socket_path;
* *
*/ */
static char *socket_path_from_x11() { static char *socket_path_from_x11() {
xcb_connection_t *conn; xcb_connection_t *conn;
int screen; int screen;
if ((conn = xcb_connect(NULL, &screen)) == NULL || if ((conn = xcb_connect(NULL, &screen)) == NULL ||
xcb_connection_has_error(conn)) xcb_connection_has_error(conn))
return NULL; return NULL;
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen); xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
xcb_window_t root = root_screen->root; xcb_window_t root = root_screen->root;
xcb_intern_atom_cookie_t atom_cookie; xcb_intern_atom_cookie_t atom_cookie;
xcb_intern_atom_reply_t *atom_reply; xcb_intern_atom_reply_t *atom_reply;
atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH"); atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL); atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
if (atom_reply == NULL) if (atom_reply == NULL)
return NULL; return NULL;
xcb_get_property_cookie_t prop_cookie; xcb_get_property_cookie_t prop_cookie;
xcb_get_property_reply_t *prop_reply; xcb_get_property_reply_t *prop_reply;
prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom, prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX); XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL); prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0) if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
return NULL; return NULL;
if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply), if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
(char*)xcb_get_property_value(prop_reply)) == -1) (char*)xcb_get_property_value(prop_reply)) == -1)
return NULL; return NULL;
return socket_path; return socket_path;
} }
/* /*
@ -79,157 +79,157 @@ static char *socket_path_from_x11() {
*/ */
static void ipc_send_message(int sockfd, uint32_t message_size, static void ipc_send_message(int sockfd, uint32_t message_size,
uint32_t message_type, uint8_t *payload) { uint32_t message_type, uint8_t *payload) {
int buffer_size = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t) + message_size; int buffer_size = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t) + message_size;
char msg[buffer_size]; char msg[buffer_size];
char *walk = msg; char *walk = msg;
strcpy(walk, I3_IPC_MAGIC); strcpy(walk, I3_IPC_MAGIC);
walk += strlen(I3_IPC_MAGIC); walk += strlen(I3_IPC_MAGIC);
memcpy(walk, &message_size, sizeof(uint32_t)); memcpy(walk, &message_size, sizeof(uint32_t));
walk += sizeof(uint32_t); walk += sizeof(uint32_t);
memcpy(walk, &message_type, sizeof(uint32_t)); memcpy(walk, &message_type, sizeof(uint32_t));
walk += sizeof(uint32_t); walk += sizeof(uint32_t);
memcpy(walk, payload, message_size); memcpy(walk, payload, message_size);
int sent_bytes = 0; int sent_bytes = 0;
int bytes_to_go = buffer_size; int bytes_to_go = buffer_size;
while (sent_bytes < bytes_to_go) { while (sent_bytes < bytes_to_go) {
int n = write(sockfd, msg + sent_bytes, bytes_to_go); int n = write(sockfd, msg + sent_bytes, bytes_to_go);
if (n == -1) if (n == -1)
err(EXIT_FAILURE, "write() failed"); err(EXIT_FAILURE, "write() failed");
sent_bytes += n; sent_bytes += n;
bytes_to_go -= n; bytes_to_go -= n;
} }
} }
static void ipc_recv_message(int sockfd, uint32_t message_type, static void ipc_recv_message(int sockfd, uint32_t message_type,
uint32_t *reply_length, uint8_t **reply) { uint32_t *reply_length, uint8_t **reply) {
/* Read the message header first */ /* Read the message header first */
uint32_t to_read = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t); uint32_t to_read = strlen(I3_IPC_MAGIC) + sizeof(uint32_t) + sizeof(uint32_t);
char msg[to_read]; char msg[to_read];
char *walk = msg; char *walk = msg;
uint32_t read_bytes = 0; uint32_t read_bytes = 0;
while (read_bytes < to_read) { while (read_bytes < to_read) {
int n = read(sockfd, msg + read_bytes, to_read); int n = read(sockfd, msg + read_bytes, to_read);
if (n == -1) if (n == -1)
err(EXIT_FAILURE, "read() failed"); err(EXIT_FAILURE, "read() failed");
if (n == 0) if (n == 0)
errx(EXIT_FAILURE, "received EOF instead of reply"); errx(EXIT_FAILURE, "received EOF instead of reply");
read_bytes += n; read_bytes += n;
to_read -= n; to_read -= n;
} }
if (memcmp(walk, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC)) != 0) if (memcmp(walk, I3_IPC_MAGIC, strlen(I3_IPC_MAGIC)) != 0)
errx(EXIT_FAILURE, "invalid magic in reply"); errx(EXIT_FAILURE, "invalid magic in reply");
walk += strlen(I3_IPC_MAGIC); walk += strlen(I3_IPC_MAGIC);
*reply_length = *((uint32_t*)walk); *reply_length = *((uint32_t*)walk);
walk += sizeof(uint32_t); walk += sizeof(uint32_t);
if (*((uint32_t*)walk) != message_type) if (*((uint32_t*)walk) != message_type)
errx(EXIT_FAILURE, "unexpected reply type (got %d, expected %d)", *((uint32_t*)walk), message_type); errx(EXIT_FAILURE, "unexpected reply type (got %d, expected %d)", *((uint32_t*)walk), message_type);
walk += sizeof(uint32_t); walk += sizeof(uint32_t);
*reply = malloc(*reply_length); *reply = malloc(*reply_length);
if ((*reply) == NULL) if ((*reply) == NULL)
err(EXIT_FAILURE, "malloc() failed"); err(EXIT_FAILURE, "malloc() failed");
to_read = *reply_length; to_read = *reply_length;
read_bytes = 0; read_bytes = 0;
while (read_bytes < to_read) { while (read_bytes < to_read) {
int n = read(sockfd, *reply + read_bytes, to_read); int n = read(sockfd, *reply + read_bytes, to_read);
if (n == -1) if (n == -1)
err(EXIT_FAILURE, "read() failed"); err(EXIT_FAILURE, "read() failed");
read_bytes += n; read_bytes += n;
to_read -= n; to_read -= n;
} }
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
socket_path = getenv("I3SOCK"); socket_path = getenv("I3SOCK");
int o, option_index = 0; int o, option_index = 0;
int message_type = I3_IPC_MESSAGE_TYPE_COMMAND; int message_type = I3_IPC_MESSAGE_TYPE_COMMAND;
char *payload = ""; char *payload = "";
bool quiet = false; bool quiet = false;
static struct option long_options[] = { static struct option long_options[] = {
{"socket", required_argument, 0, 's'}, {"socket", required_argument, 0, 's'},
{"type", required_argument, 0, 't'}, {"type", required_argument, 0, 't'},
{"version", no_argument, 0, 'v'}, {"version", no_argument, 0, 'v'},
{"quiet", no_argument, 0, 'q'}, {"quiet", no_argument, 0, 'q'},
{"help", no_argument, 0, 'h'}, {"help", no_argument, 0, 'h'},
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
char *options_string = "s:t:vhq"; char *options_string = "s:t:vhq";
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) { while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
if (o == 's') { if (o == 's') {
if (socket_path != NULL) if (socket_path != NULL)
free(socket_path); free(socket_path);
socket_path = strdup(optarg); socket_path = strdup(optarg);
} else if (o == 't') { } else if (o == 't') {
if (strcasecmp(optarg, "command") == 0) if (strcasecmp(optarg, "command") == 0)
message_type = I3_IPC_MESSAGE_TYPE_COMMAND; message_type = I3_IPC_MESSAGE_TYPE_COMMAND;
else if (strcasecmp(optarg, "get_workspaces") == 0) else if (strcasecmp(optarg, "get_workspaces") == 0)
message_type = I3_IPC_MESSAGE_TYPE_GET_WORKSPACES; message_type = I3_IPC_MESSAGE_TYPE_GET_WORKSPACES;
else if (strcasecmp(optarg, "get_outputs") == 0) else if (strcasecmp(optarg, "get_outputs") == 0)
message_type = I3_IPC_MESSAGE_TYPE_GET_OUTPUTS; message_type = I3_IPC_MESSAGE_TYPE_GET_OUTPUTS;
else if (strcasecmp(optarg, "get_tree") == 0) else if (strcasecmp(optarg, "get_tree") == 0)
message_type = I3_IPC_MESSAGE_TYPE_GET_TREE; message_type = I3_IPC_MESSAGE_TYPE_GET_TREE;
else { else {
printf("Unknown message type\n"); printf("Unknown message type\n");
printf("Known types: command, get_workspaces, get_outputs, get_tree\n"); printf("Known types: command, get_workspaces, get_outputs, get_tree\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
} else if (o == 'q') { } else if (o == 'q') {
quiet = true; quiet = true;
} else if (o == 'v') { } else if (o == 'v') {
printf("i3-msg " I3_VERSION "\n"); printf("i3-msg " I3_VERSION "\n");
return 0; return 0;
} else if (o == 'h') { } else if (o == 'h') {
printf("i3-msg " I3_VERSION "\n"); printf("i3-msg " I3_VERSION "\n");
printf("i3-msg [-s <socket>] [-t <type>] <message>\n"); printf("i3-msg [-s <socket>] [-t <type>] <message>\n");
return 0; return 0;
}
} }
}
if (socket_path == NULL) if (socket_path == NULL)
socket_path = socket_path_from_x11(); socket_path = socket_path_from_x11();
/* Fall back to the default socket path */ /* Fall back to the default socket path */
if (socket_path == NULL) if (socket_path == NULL)
socket_path = strdup("/tmp/i3-ipc.sock"); socket_path = strdup("/tmp/i3-ipc.sock");
if (optind < argc) if (optind < argc)
payload = argv[optind]; payload = argv[optind];
int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0); int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
if (sockfd == -1) if (sockfd == -1)
err(EXIT_FAILURE, "Could not create socket"); err(EXIT_FAILURE, "Could not create socket");
struct sockaddr_un addr; struct sockaddr_un addr;
memset(&addr, 0, sizeof(struct sockaddr_un)); memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_LOCAL; addr.sun_family = AF_LOCAL;
strcpy(addr.sun_path, socket_path); strcpy(addr.sun_path, socket_path);
if (connect(sockfd, (const struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0) if (connect(sockfd, (const struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0)
err(EXIT_FAILURE, "Could not connect to i3"); err(EXIT_FAILURE, "Could not connect to i3");
ipc_send_message(sockfd, strlen(payload), message_type, (uint8_t*)payload); ipc_send_message(sockfd, strlen(payload), message_type, (uint8_t*)payload);
if (quiet)
return 0;
uint32_t reply_length;
uint8_t *reply;
ipc_recv_message(sockfd, message_type, &reply_length, &reply);
printf("%.*s", reply_length, reply);
free(reply);
close(sockfd);
if (quiet)
return 0; return 0;
uint32_t reply_length;
uint8_t *reply;
ipc_recv_message(sockfd, message_type, &reply_length, &reply);
printf("%.*s", reply_length, reply);
free(reply);
close(sockfd);
return 0;
} }