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Location: cpp/openttd-patchpack/source/dedicated.c - annotation
r2078:0300868e49d0
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(svn r2588) Codechange: Remove PLAYER_SEED_RANDOM
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#include "openttd.h"
#include "debug.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 __OS2__
# include <sys/time.h> /* gettimeofday */
# include <sys/types.h>
# include <unistd.h>
# include <conio.h>
# define STDIN 0 /* file descriptor for standard input */
extern void OS2_SwitchToConsoleMode();
#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
#ifdef __MORPHOS__
/* Voids the fork, option will be disabled for MorphOS build anyway, because
* MorphOS doesn't support forking (could only implemented with lots of code
* changes here). */
int fork(void) { return -1; }
int dup2(int oldd, int newd) { return -1; }
#endif
// This file handles all dedicated-server in- and outputs
static void *_dedicated_video_mem;
extern bool SafeSaveOrLoad(const char *filename, int mode, int newgm);
extern void SwitchMode(int new_mode);
#ifdef UNIX
/* We want to fork our dedicated server */
void DedicatedFork(void)
{
/* Fork the program */
pid_t pid = fork();
switch (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("Rerouting stdout");
exit(1);
}
if (dup2(fileno(_log_file_fd), fileno(stderr)) == -1) {
perror("Rerouting stderr");
exit(1);
}
break;
default:
// We're the parent
printf("Loading dedicated server...\n");
printf(" - Forked to background with pid %d\n", pid);
exit(0);
}
}
/* Signal handlers */
static void DedicatedSignalHandler(int sig)
{
_exit_game = true;
signal(sig, DedicatedSignalHandler);
}
#endif
#ifdef WIN32
#include <time.h>
HANDLE hEvent;
static HANDLE hThread; // Thread to close
static char _win_console_thread_buffer[200];
/* Windows Console thread. Just loop and signal when input has been received */
void WINAPI CheckForConsoleInput(void)
{
while (true) {
fgets(_win_console_thread_buffer, lengthof(_win_console_thread_buffer), stdin);
SetEvent(hEvent); // signal input waiting that the line is ready
}
}
void CreateWindowsConsoleThread(void)
{
static char tbuffer[9];
DWORD dwThreadId;
/* Create event to signal when console input is ready */
hEvent = CreateEvent(NULL, false, false, _strtime(tbuffer));
if (hEvent == NULL)
error("Cannot create console event!");
hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckForConsoleInput, NULL, 0, &dwThreadId);
if (hThread == NULL)
error("Cannot create console thread!");
DEBUG(misc, 0) ("Windows console thread started...");
}
void CloseWindowsConsoleThread(void)
{
CloseHandle(hThread);
CloseHandle(hEvent);
DEBUG(misc, 0) ("Windows console thread shut down...");
}
#endif
static const char *DedicatedVideoStart(const char * const *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();
CreateWindowsConsoleThread();
SetConsoleTitle("OpenTTD Dedicated Server");
#endif
#ifdef __OS2__
// For OS/2 we also need to switch to console mode instead of PM mode
OS2_SwitchToConsoleMode();
#endif
DEBUG(misc,0)("Loading dedicated server...");
return NULL;
}
static void DedicatedVideoStop(void)
{
#ifdef WIN32
CloseWindowsConsoleThread();
#endif
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 void DedicatedVideoFullScreen(bool fs) {}
#if defined(UNIX) || defined(__OS2__)
static bool InputWaiting(void)
{
struct timeval tv;
fd_set readfds;
byte ret;
tv.tv_sec = 0;
tv.tv_usec = 1;
FD_ZERO(&readfds);
FD_SET(STDIN, &readfds);
/* don't care about writefds and exceptfds: */
ret = select(STDIN + 1, &readfds, NULL, NULL, &tv);
if (ret > 0)
return true;
return false;
}
#else
static bool InputWaiting(void)
{
if (WaitForSingleObject(hEvent, 1) == WAIT_OBJECT_0)
return true;
return false;
}
#endif
static void DedicatedHandleKeyInput(void)
{
static char input_line[200] = "";
if (!InputWaiting())
return;
if (_exit_game)
return;
#if defined(UNIX) || defined(__OS2__)
fgets(input_line, lengthof(input_line), stdin);
#else
strncpy(input_line, _win_console_thread_buffer, lengthof(input_line));
#endif
/* XXX - strtok() does not 'forget' \n\r if it is the first character! */
strtok(input_line, "\r\n"); // Forget about the final \n (or \r)
{ /* Remove any special control characters */
uint i;
for (i = 0; i < lengthof(input_line); i++) {
if (input_line[i] == '\n' || input_line[i] == '\r') // cut missed beginning '\0'
input_line[i] = '\0';
if (input_line[i] == '\0')
break;
if (!IS_INT_INSIDE(input_line[i], ' ', 256))
input_line[i] = ' ';
}
}
IConsoleCmdExec(input_line); // execute command
}
static int DedicatedVideoMainLoop(void)
{
#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
/* Signal handlers */
#ifdef UNIX
signal(SIGTERM, DedicatedSignalHandler);
signal(SIGINT, DedicatedSignalHandler);
signal(SIGQUIT, DedicatedSignalHandler);
#endif
// Load the dedicated server stuff
_is_network_server = true;
_network_dedicated = true;
_network_playas = OWNER_SPECTATOR;
_local_player = OWNER_SPECTATOR;
/* If SwitchMode is SM_LOAD, it means that the user used the '-g' options */
if (_switch_mode != SM_LOAD) {
_switch_mode = SM_NONE;
GenRandomNewGame(Random(), InteractiveRandom());
} else {
_switch_mode = SM_NONE;
/* First we need to test if the savegame can be loaded, else we will end up playing the
* intro game... */
if (!SafeSaveOrLoad(_file_to_saveload.name, _file_to_saveload.mode, GM_NORMAL)) {
/* Loading failed, pop out.. */
DEBUG(net, 0)("Loading requested map failed. Aborting.");
_networking = false;
} else {
/* We can load this game, so go ahead */
SwitchMode(SM_LOAD);
}
}
// Done loading, start game!
if (!_networking) {
DEBUG(net, 1)("Dedicated server could not be launched. 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);
}
}
const HalVideoDriver _dedicated_video_driver = {
DedicatedVideoStart,
DedicatedVideoStop,
DedicatedVideoMakeDirty,
DedicatedVideoMainLoop,
DedicatedVideoChangeRes,
DedicatedVideoFullScreen,
};
#else
static void *_dedicated_video_mem;
static const char *DedicatedVideoStart(const char * const *parm)
{
DEBUG(misc, 0) ("OpenTTD compiled without network support, exiting.");
return NULL;
}
void DedicatedFork(void) {}
static void DedicatedVideoStop(void) { 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 void DedicatedVideoFullScreen(bool fs) {}
static int DedicatedVideoMainLoop(void) { return ML_QUIT; }
const HalVideoDriver _dedicated_video_driver = {
DedicatedVideoStart,
DedicatedVideoStop,
DedicatedVideoMakeDirty,
DedicatedVideoMainLoop,
DedicatedVideoChangeRes,
DedicatedVideoFullScreen,
};
#endif /* ENABLE_NETWORK */
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