sway/swaymsg/main.c
2015-11-26 15:06:41 -05:00

170 lines
3.9 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <stdint.h>
#include <sys/un.h>
#include <sys/socket.h>
#include <unistd.h>
#include "stringop.h"
#include "ipc.h"
#include "readline.h"
#include "log.h"
static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
static const size_t ipc_header_size = sizeof(ipc_magic)+8;
void sway_terminate(void) {
exit(1);
}
char *get_socketpath(void) {
FILE *fp = popen("sway --get-socketpath", "r");
if (!fp) {
return NULL;
}
char *line = read_line(fp);
pclose(fp);
return line;
}
char *do_ipc(const char *socket_path, uint32_t type, const char *payload, uint32_t len) {
struct sockaddr_un addr;
int socketfd;
if ((socketfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
sway_abort("Unable to open Unix socket");
}
addr.sun_family = AF_UNIX;
strcpy(addr.sun_path, socket_path);
int l = sizeof(addr.sun_family) + strlen(addr.sun_path);
if (connect(socketfd, (struct sockaddr *)&addr, l) == -1) {
sway_abort("Unable to connect to %s", socket_path);
}
char data[ipc_header_size];
uint32_t *data32 = (uint32_t *)(data + sizeof(ipc_magic));
memcpy(data, ipc_magic, sizeof(ipc_magic));
data32[0] = len;
data32[1] = type;
if (write(socketfd, data, ipc_header_size) == -1) {
sway_abort("Unable to send IPC header");
}
if (write(socketfd, payload, len) == -1) {
sway_abort("Unable to send IPC payload");
}
size_t total = 0;
while (total < ipc_header_size) {
ssize_t received = recv(socketfd, data + total, ipc_header_size - total, 0);
if (received < 0) {
sway_abort("Unable to receive IPC response");
}
total += received;
}
total = 0;
len = data32[0];
char *response = malloc(len + 1);
while (total < len) {
ssize_t received = recv(socketfd, response + total, len - total, 0);
if (received < 0) {
sway_abort("Unable to receive IPC response");
}
total += received;
}
response[len] = '\0';
close(socketfd);
return response;
}
int main(int argc, char **argv) {
static int quiet = 0;
char *socket_path = NULL;
char *cmdtype = NULL;
init_log(L_INFO);
static struct option long_options[] = {
{"quiet", no_argument, &quiet, 'q'},
{"version", no_argument, NULL, 'v'},
{"socket", required_argument, NULL, 's'},
{"type", required_argument, NULL, 't'},
{0, 0, 0, 0}
};
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "qvs:t:", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 0: // Flag
break;
case 's': // Socket
socket_path = strdup(optarg);
break;
case 't': // Type
cmdtype = strdup(optarg);
break;
case 'v':
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
fprintf(stdout, "sway version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
#else
fprintf(stdout, "version not detected\n");
#endif
exit(0);
break;
}
}
if (!cmdtype) {
cmdtype = strdup("command");
}
if (!socket_path) {
socket_path = get_socketpath();
if (!socket_path) {
sway_abort("Unable to retrieve socket path");
}
}
uint32_t type;
if (strcasecmp(cmdtype, "command") == 0) {
type = IPC_COMMAND;
} else if (strcasecmp(cmdtype, "get_workspaces") == 0) {
type = IPC_GET_WORKSPACES;
} 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;
}
free(cmdtype);
char *command = strdup("");
if (optind < argc) {
command = join_args(argv + optind, argc - optind);
}
char *resp = do_ipc(socket_path, type, command, strlen(command));
if (!quiet) {
printf("%s", resp);
}
free(command);
free(resp);
free(socket_path);
return 0;
}