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/*
* Created by yuuta on 7/23/22.
*/
#include "log.h"
#include "handler.h"
#include "config.h"
#include "helpers.h"
#include "client.h"
#include <libac.h>
#include <stdio.h>
#include <stdlib.h>
#include <uv.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
static uv_loop_t lop;
uv_loop_t *loop = &lop;
static int current_req = -1;
static bool tty = true;
static void on_close(uv_handle_t *handle);
static ac_connection_parameters_t params = {
.sock = NULL,
.version = 0,
.port = 25575,
.host = NULL,
.id = NULL,
.token = NULL,
.on_send = NULL,
};
static void cleanup(void) {
LOGD("cleanup()");
/* sock must be closed before cleanup(). */
uv_loop_close(loop);
ac_free();
uv_tty_reset_mode();
}
static void on_stdin_closed(void) {
sock_ext(true);
}
static void on_sock_closed(void) {
uv_stop(loop);
}
static void prompt(void) {
if (tty) {
fprintf(stderr, "%s@%s > ",
params.id,
params.host);
}
}
static int on_input(ac_request_t *req) {
if (req->type == AC_REQUEST_CMD && ((ac_request_cmd_t *) req)->cmd[0] == '\0') {
prompt();
return 0;
}
current_req = req->id;
stdin_stop();
LOGD("Stdin is paused.");
/* The socket will close itself upon errors. So do the input stream. */
return sock_request(req);
}
static int on_sock_ready(void) {
prompt();
return h_stdin(on_input, on_stdin_closed);
}
static int on_recv(ac_obj_t *obj) {
bool p = false;
if (AC_IS_RESPONSE(obj->type)) {
ac_response_t *resp = (ac_response_t *) obj;
if (resp->id == current_req) {
if (resp->type == AC_RESPONSE_ERROR ||
resp->type == AC_RESPONSE_CMD_RESULT) {
int r = stdin_start();
if (r) {
LOGEV("Cannot resume stdin: %s", uv_strerror(r));
} else {
LOGD("Stdin is resumed.");
p = true;
}
}
}
}
const int retval = handle_object(obj);
if (p) {
prompt();
}
return retval;
}
static void on_resolv(int status, const struct addrinfo *ai, void (*on_connected)(bool)) {
if (status) {
uv_stop(loop);
return;
}
if (h_socket(¶ms,
ai,
on_connected,
on_sock_ready,
on_recv,
on_sock_closed)) {
/* Mark as true to clean up resources and prevent next retry. */
on_connected(true);
uv_stop(loop);
}
}
static void on_int(void) {
current_req = -1;
int r = stdin_start();
if (r && r != UV_EALREADY) {
LOGEV("Cannot resume stdin: %s", uv_strerror(r));
} else {
printf("Interrupt\n");
prompt();
}
}
int main(int argc, const char **argv) {
int r;
if ((r = config_parse(argc, argv, ¶ms))) return r;
atexit(cleanup);
if (!isatty(fileno(stdin))) {
tty = false;
}
libac_config_t config = {
#ifdef DEBUG
.out = NULL,
#else
.out = NULL,
#endif
.tok = NULL
};
if ((r = ac_init(&config))) {
LOGEV("Cannot initialize Acron library: %d", r);
return r;
}
if ((r = uv_loop_init(loop))) goto uviniterr;
if ((r = h_signal(on_int, on_stdin_closed))) goto uviniterr;
if ((r = a_dns(params.host, params.port, on_resolv))) goto uviniterr;
if ((r = uv_run(loop, UV_RUN_DEFAULT))) {
if (r == 1) {
/* Seems to return 1 if uv_stop is called. */
return 0;
}
LOGEV("Cannot run: %s", uv_strerror(r));
return -r;
}
return 0;
uviniterr:
LOGEV("Cannot initialize: %s", uv_strerror(r));
return -r;
}
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