wayvnc/src/wayvncctl.c

132 lines
3.7 KiB
C

/*
* Copyright (c) 2022-2023 Jim Ramsay
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <unistd.h>
#include <assert.h>
#include <inttypes.h>
#include <errno.h>
#include <signal.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "util.h"
#include "ctl-client.h"
#include "option-parser.h"
#define MAYBE_UNUSED __attribute__((unused))
struct wayvncctl {
bool do_exit;
struct ctl_client* ctl;
};
static int wayvncctl_usage(FILE* stream, struct option_parser* options, int rc)
{
fprintf(stream, "Usage: wayvncctl");
option_parser_print_usage(options, stream);
fprintf(stream, " [parameters]\n");
option_parser_print_cmd_summary(
"Connects to and interacts with a running wayvnc instance.", stream);
option_parser_print_options(options, stream);
fprintf(stream, "\n");
ctl_client_print_command_list(stream);
return rc;
}
static int show_version(void)
{
printf("wayvnc: %s\n", wayvnc_version);
return 0;
}
int main(int argc, char* argv[])
{
struct wayvncctl self = { 0 };
bool verbose = false;
const char* socket_path = NULL;
unsigned flags = 0;
static const struct wv_option opts[] = {
{ .positional = "command",
.is_subcommand = true },
{ 'S', "socket", "<path>",
"Control socket path." },
{ 'w', "wait", NULL,
"Wait for wayvnc to start up if it's not already running." },
{ 'r', "reconnect", NULL,
"If disconnected while waiting for events, wait for wayvnc to restart." },
{ 'j', "json", NULL,
"Output json on stdout." },
{ 'V', "version", NULL,
"Show version info." },
{ 'v', "verbose", NULL,
"Be more verbose." },
{ 'h', "help", NULL,
"Get help (this text)." },
{ }
};
struct option_parser option_parser;
option_parser_init(&option_parser, opts);
if (option_parser_parse(&option_parser, argc,
(const char* const*)argv) < 0)
return wayvncctl_usage(stderr, &option_parser, 1);
if (option_parser_get_value(&option_parser, "help"))
return wayvncctl_usage(stdout, &option_parser, 0);
if (option_parser_get_value(&option_parser, "version"))
return show_version();
socket_path = option_parser_get_value(&option_parser, "socket");
flags |= option_parser_get_value(&option_parser, "wait")
? CTL_CLIENT_SOCKET_WAIT : 0;
flags |= option_parser_get_value(&option_parser, "reconnect")
? CTL_CLIENT_RECONNECT : 0;
flags |= option_parser_get_value(&option_parser, "json")
? CTL_CLIENT_PRINT_JSON : 0;
verbose = !!option_parser_get_value(&option_parser, "verbose");
// No command; nothing to do...
if (!option_parser_get_value(&option_parser, "command"))
return wayvncctl_usage(stdout, &option_parser, 1);
ctl_client_debug_log(verbose);
self.ctl = ctl_client_new(socket_path, &self);
if (!self.ctl)
goto ctl_client_failure;
int result = ctl_client_run_command(self.ctl, &option_parser, flags);
ctl_client_destroy(self.ctl);
return result;
ctl_client_failure:
return 1;
}