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#include "stdafx.h"
#include "ttd.h"
#include "network.h"
#include "hal.h"
#ifdef ENABLE_NETWORK
#include "gfx.h"
#include "window.h"
#include "command.h"
#include "console.h"
#ifdef WIN32
# include <windows.h> /* GetTickCount */
# include <conio.h>
#endif
#ifdef UNIX
# include <sys/time.h> /* gettimeofday */
# include <sys/types.h>
# include <unistd.h>
# include <signal.h>
# define STDIN 0 /* file descriptor for standard input */
#endif
// This file handles all dedicated-server in- and outputs
static void *_dedicated_video_mem;
#ifdef UNIX
/* We want to fork our dedicated server */
void DedicatedFork()
{
/* Fork the program */
_dedicated_pid = fork();
switch (_dedicated_pid) {
case -1:
perror("Unable to fork");
exit(1);
case 0:
// We're the child
/* Open the log-file to log all stuff too */
_log_file_fd = fopen(_log_file, "a");
if (!_log_file_fd) {
perror("Unable to open logfile");
exit(1);
}
/* Redirect stdout and stderr to log-file */
if (dup2(fileno(_log_file_fd), fileno(stdout)) == -1) {
perror("Re-routing stdout");
exit(1);
}
if (dup2(fileno(_log_file_fd), fileno(stderr)) == -1) {
perror("Re-routing stderr");
exit(1);
}
break;
default:
// We're the parent
printf("Loading dedicated server...\n");
printf(" - Forked to background with pid %d\n", _dedicated_pid);
exit(0);
}
}
/* Signal handlers */
static void DedicatedSignalHandler(int sig)
{
_exit_game = true;
signal(sig, DedicatedSignalHandler);
}
#endif
static const char *DedicatedVideoStart(char **parm) {
_screen.width = _screen.pitch = _cur_resolution[0];
_screen.height = _cur_resolution[1];
_dedicated_video_mem = malloc(_cur_resolution[0]*_cur_resolution[1]);
_debug_net_level = 6;
_debug_misc_level = 0;
#ifdef WIN32
// For win32 we need to allocate an console (debug mode does the same)
CreateConsole();
SetConsoleTitle("OpenTTD Dedicated Server");
#endif
DEBUG(misc,0)("Loading dedicated server...");
return NULL;
}
static void DedicatedVideoStop() { free(_dedicated_video_mem); }
static void DedicatedVideoMakeDirty(int left, int top, int width, int height) {}
static bool DedicatedVideoChangeRes(int w, int h) { return false; }
#ifdef UNIX
static bool InputWaiting()
{
struct timeval tv;
fd_set readfds;
tv.tv_sec = 0;
tv.tv_usec = 1;
FD_ZERO(&readfds);
FD_SET(STDIN, &readfds);
/* don't care about writefds and exceptfds: */
select(STDIN+1, &readfds, NULL, NULL, &tv);
if (FD_ISSET(STDIN, &readfds))
return true;
else
return false;
}
#else
static bool InputWaiting()
{
return kbhit();
}
#endif
static void DedicatedHandleKeyInput()
{
#ifdef WIN32
char input;
#endif
static char input_line[200] = "";
#ifdef UNIX
if (InputWaiting()) {
fgets(input_line, 200, stdin);
// Forget about the final \n (or \r)
strtok(input_line, "\r\n");
IConsoleCmdExec(input_line);
}
#else
if (InputWaiting()) {
input = getch();
printf("%c", input);
if (input != '\r')
snprintf(input_line, 200, "%s%c", input_line, input);
else {
printf("\n");
IConsoleCmdExec(input_line);
sprintf(input_line, "");
}
}
#endif
}
static int DedicatedVideoMainLoop()
{
#ifndef WIN32
struct timeval tim;
#endif
uint32 next_tick;
uint32 cur_ticks;
#ifdef WIN32
next_tick = GetTickCount() + 30;
#else
gettimeofday(&tim, NULL);
next_tick = (tim.tv_usec / 1000) + 30 + (tim.tv_sec * 1000);
#endif
/* Siganl handlers */
#ifdef UNIX
signal(SIGTERM, DedicatedSignalHandler);
signal(SIGINT, DedicatedSignalHandler);
signal(SIGABRT, DedicatedSignalHandler);
#endif
// Load the dedicated server stuff
_is_network_server = true;
_network_dedicated = true;
_switch_mode = SM_NONE;
_network_playas = OWNER_SPECTATOR;
_local_player = OWNER_SPECTATOR;
DoCommandP(0, Random(), InteractiveRandom(), NULL, CMD_GEN_RANDOM_NEW_GAME);
// Done loading, start game!
if (!_networking) {
DEBUG(net, 1)("Dedicated server could not be launced. Aborting..");
return ML_QUIT;
}
while (true) {
InteractiveRandom(); // randomness
if (_exit_game) return ML_QUIT;
if (!_dedicated_forks)
DedicatedHandleKeyInput();
#ifdef WIN32
cur_ticks = GetTickCount();
#else
gettimeofday(&tim, NULL);
cur_ticks = (tim.tv_usec / 1000) + (tim.tv_sec * 1000);
#endif
if (cur_ticks >= next_tick) {
next_tick += 30;
GameLoop();
_screen.dst_ptr = _dedicated_video_mem;
UpdateWindows();
}
CSleep(1);
}
return ML_QUIT;
}
const HalVideoDriver _dedicated_video_driver = {
DedicatedVideoStart,
DedicatedVideoStop,
DedicatedVideoMakeDirty,
DedicatedVideoMainLoop,
DedicatedVideoChangeRes,
};
#else
static void *_dedicated_video_mem;
static const char *DedicatedVideoStart(char **parm) {
DEBUG(misc,0)("OpenTTD compiled without network-support, quiting...");
return NULL;
}
static void DedicatedVideoStop() { free(_dedicated_video_mem); }
static void DedicatedVideoMakeDirty(int left, int top, int width, int height) {}
static bool DedicatedVideoChangeRes(int w, int h) { return false; }
static int DedicatedVideoMainLoop() { return ML_QUIT; }
const HalVideoDriver _dedicated_video_driver = {
DedicatedVideoStart,
DedicatedVideoStop,
DedicatedVideoMakeDirty,
DedicatedVideoMainLoop,
DedicatedVideoChangeRes,
};
#endif /* ENABLE_NETWORK */
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