--- a/src/server.c Tue May 26 15:29:00 2026 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,173 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2016 Mike Becker. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "network.h"
-#include "game.h"
-#include "chess/pgn.h"
-#include <ncurses.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-
-static int server_fd = -1;
-static void interrupt_listen(int sig) {
- if (server_fd > -1) {
- // this interrupts
- close(server_fd);
- }
-}
-
-static int server_open(Server *server, Settings *settings) {
- printw("\nListening for client...\n");
- refresh();
- if (settings->usedomainsocket
- ? net_create_sock(server, settings->serverhost)
- : net_create_tcp(server, settings->port)) {
- addstr("Server creation failed");
- return 1;
- }
-
- // allow Ctrl+C to interrupt the listening process
- server_fd = server->fd;
- signal(SIGINT, interrupt_listen);
-
- if (net_listen(server)) {
- addstr("Listening for client failed or interrupted");
- return 1;
- }
-
- // restore default action
- signal(SIGINT, SIG_DFL);
-
- return 0;
-}
-
-static int server_handshake(Client *client) {
- net_send_code(client->fd, NETCODE_VERSION);
- if (net_recieve_code(client->fd) != NETCODE_VERSION) {
- addstr("Client uses an incompatible software version.");
- return 1;
- }
-
- addstr("Client connected - transmitting gameinfo...");
- refresh();
-
- return 0;
-}
-
-int server_run(Settings *settings) {
- Server server;
-
- dump_gameinfo(&(settings->gameinfo));
- GameState gamestate;
- gamestate_init(&gamestate);
- if (settings->continuepgn) {
- /* preload PGN data before handshake */
- FILE *pgnfile = fopen(settings->continuepgn, "r");
- if (pgnfile) {
- int result = read_pgn(pgnfile, &gamestate,
- &(settings->gameinfo));
- long position = ftell(pgnfile);
- fclose(pgnfile);
- if (result) {
- printw("Invalid PGN file content at position %ld:\n%s\n",
- position, pgn_error_str(result));
- return 1;
- }
- if (!is_game_running(&gamestate)) {
- addstr("Game has ended. Use -s to analyze it locally.\n");
- return 1;
- }
- addch('\n');
- dump_moveinfo(&gamestate);
- addch('\n');
- } else {
- printw("Can't read PGN file (%s)\n", strerror(errno));
- return 1;
- }
- }
-
- if (server_open(&server, settings)) {
- net_destroy(&server);
- return 1;
- }
-
- if (server_handshake(server.client)) {
- net_destroy(&server);
- return 1;
- }
-
- int fd = server.client->fd;
- if (settings->continuepgn) {
- /* Continue game, send PGN data */
- uint16_t mc = gamestate.movecount;
- size_t pgndata_size = sizeof(GameInfo)+sizeof(mc)+mc*sizeof(Move);
- char *pgndata = malloc(pgndata_size);
- memcpy(pgndata, &(settings->gameinfo), sizeof(GameInfo));
- unsigned offset = sizeof(GameInfo);
- memcpy(pgndata+offset, &mc, sizeof(mc));
- offset += sizeof(mc);
- memcpy(pgndata+offset, gamestate.moves, mc*sizeof(Move));
- net_send_data(fd, NETCODE_PGNDATA, pgndata, pgndata_size);
- free(pgndata);
- } else {
- /* Start new game */
- net_send_data(fd, NETCODE_GAMEINFO,
- &(settings->gameinfo), sizeof(GameInfo));
- }
- addstr("\rClient connected - awaiting challenge acceptance...");
- refresh();
- int code = net_recieve_code(fd);
- int exitcode = 0;
- if (code == NETCODE_ACCEPT) {
- addstr("\rClient connected - challenge accepted.");
- clrtoeol();
- game_play(settings, &gamestate, fd);
- net_destroy(&server);
- game_review(settings, &gamestate);
- } else if (code == NETCODE_DECLINE) {
- addstr("\rClient connected - challenge declined.");
- clrtoeol();
- net_destroy(&server);
- } else if (code == NETCODE_CONNLOST) {
- addstr("\rClient connected - but gave no response.");
- clrtoeol();
- net_destroy(&server);
- } else {
- addstr("\rInvalid client response");
- clrtoeol();
-
- net_destroy(&server);
- exitcode = 1;
- }
- gamestate_cleanup(&gamestate);
- return exitcode;
-}