#include <errno.h>
#include "network.h"
+#include "netserv.h"
+#include "game.h"
+#include "tape.h"
+#include "files.h"
+#include "tools.h"
+#include "misc.h"
-int norestart = 0;
-int nospeedup = 0;
-
-#define DEFAULTPORT 19503
-
-#define PROT_VERS_1 1
-#define PROT_VERS_2 0
-#define PROT_VERS_3 1
-
-#define OP_NICK 1
-#define OP_PLAY 2
-#define OP_FALL 3
-#define OP_DRAW 4
-#define OP_LOST 5
-#define OP_GONE 6
-#define OP_CLEAR 7
-#define OP_NEW 8
-#define OP_LINES 9
-#define OP_GROW 10
-#define OP_MODE 11
-#define OP_LEVEL 12
-#define OP_BOT 13
-#define OP_KILL 14
-#define OP_PAUSE 15
-#define OP_CONT 16
-#define OP_VERSION 17
-#define OP_BADVERS 18
-#define OP_MSG 19
-#define OP_YOUARE 20
-#define OP_LINESTO 21
-#define OP_WON 22
-#define OP_ZERO 23
+#define MAXNICKLEN 14
-/* server stuff */
+struct user
+{
+ byte nr;
+ char name[MAXNICKLEN+2];
+ struct user *next;
+};
+
+struct user me =
+{
+ 0,
+ "no name",
+ NULL
+};
-#define BUFLEN 4096
+/* server stuff */
int sfd;
-unsigned char realbuf[512], readbuf[BUFLEN], writbuf[BUFLEN];
+unsigned char realbuf[512], readbuf[MAX_BUFFER_SIZE], writbuf[MAX_BUFFER_SIZE];
unsigned char *buf = realbuf + 4;
int nread = 0, nwrite = 0;
-/* like memcpy, but guaranteed to handle overlap when s <= t */
-void copydown(char *s, char *t, int n)
-{
- for (; n; n--)
- *(s++) = *(t++);
-}
-
void sysmsg(char *s)
{
- printf("** %s\n", s);
- fflush(stdout);
+ if (verbose)
+ {
+ printf("** %s\n", s);
+ fflush(stdout);
+ }
}
-void fatal(char *s)
+void *mmalloc(int n)
{
- fprintf(stderr, "%s.\n", s);
- exit(1);
+ void *r;
+
+ r = malloc(n);
+ if (r == NULL)
+ fatal("Out of memory");
+ return r;
}
void u_sleep(int i)
realbuf[0] = realbuf[1] = realbuf[2] = 0;
realbuf[3] = (unsigned char)len;
buf[0] = 0;
- if (nwrite + 4 + len >= BUFLEN)
+ if (nwrite + 4 + len >= MAX_BUFFER_SIZE)
fatal("Internal error: send buffer overflow");
memcpy(writbuf + nwrite, realbuf, 4 + len);
nwrite += 4 + len;
+
+
+ flushbuf();
+
+
}
}
-void startserver()
+struct user *finduser(unsigned char c)
+{
+ struct user *u;
+
+ for (u = &me; u; u = u->next)
+ if (u->nr == c)
+ return u;
+
+ fatal("Protocol error: reference to non-existing user");
+ return NULL; /* so that gcc -Wall doesn't complain */
+}
+
+char *get_user_name(unsigned char c)
{
- char *options[2];
- int n = 0;
+ struct user *u;
- options[0] = options[1] = NULL;
- if (norestart)
- options[n++] = "-norestart";
- if (nospeedup)
- options[n++] = "-nospeedup";
+ if (c == 0)
+ return("the server");
+ else if (c == me.nr)
+ return("you");
+ else
+ for (u = &me; u; u = u->next)
+ if (u->nr == c && u->name && strlen(u->name))
+ return(u->name);
+
+ return("no name");
+}
+void InitNetworkServer(int port)
+{
switch (fork())
{
case 0:
- execlp(
-#ifdef XTRISPATH
- XTRISPATH "/rnd_server",
-#else
- "rnd_server",
-#endif
- "rnd_server", "-once", "-v", options[0], options[1], NULL);
-
- fprintf(stderr, "Can't start server '%s'.\n",
-#ifdef XTRISPATH
- XTRISPATH "/rnd_server"
-#else
- "rnd_server"
-#endif
- );
-
- _exit(1);
-
+ NetworkServer(port, !serveronly);
+
+ /* never reached */
+ exit(0);
+
case -1:
- fatal("fork() failed");
-
+ Error(ERR_RETURN,
+ "cannot create network server process - no network games");
+ standalone = TRUE;
+ return;
+
default:
+ /* we are parent process -- resume normal operation */
return;
}
}
if (!host)
{
printf("No rocksndiamonds server on localhost - starting up one ...\n");
- startserver();
+
+ InitNetworkServer(port);
+
for (i=0; i<6; i++)
{
u_sleep(500000);
return(TRUE);
}
-void SendNicknameToServer(char *nickname)
+void SendToServer_Nickname(char *nickname)
{
static char msgbuf[300];
- buf[1] = OP_NICK;
+ buf[1] = OP_NICKNAME;
memcpy(&buf[2], nickname, strlen(nickname));
sendbuf(2 + strlen(nickname));
sprintf(msgbuf, "you set your nick to \"%s\"", nickname);
sysmsg(msgbuf);
}
-void SendProtocolVersionToServer()
+void SendToServer_ProtocolVersion()
{
- buf[1] = OP_VERSION;
+ buf[1] = OP_PROTOCOL_VERSION;
buf[2] = PROT_VERS_1;
buf[3] = PROT_VERS_2;
buf[4] = PROT_VERS_3;
+
sendbuf(5);
}
+void SendToServer_NrWanted(int nr_wanted)
+{
+ buf[1] = OP_NUMBER_WANTED;
+ buf[2] = nr_wanted;
+
+ sendbuf(3);
+}
+
+void SendToServer_StartPlaying()
+{
+ unsigned long new_random_seed = InitRND(NEW_RANDOMIZE);
+
+ buf[1] = OP_START_PLAYING;
+ buf[2] = (byte)(level_nr >> 8);
+ buf[3] = (byte)(level_nr & 0xff);
+ buf[4] = (byte)(leveldir_nr >> 8);
+ buf[5] = (byte)(leveldir_nr & 0xff);
+
+ buf[6] = (unsigned char)((new_random_seed >> 24) & 0xff);
+ buf[7] = (unsigned char)((new_random_seed >> 16) & 0xff);
+ buf[8] = (unsigned char)((new_random_seed >> 8) & 0xff);
+ buf[9] = (unsigned char)((new_random_seed >> 0) & 0xff);
+
+ strcpy(&buf[10], leveldir[leveldir_nr].name);
+
+ sendbuf(10 + strlen(leveldir[leveldir_nr].name)+1);
+}
+
+void SendToServer_MovePlayer(byte player_action)
+{
+ buf[1] = OP_MOVE_FIGURE;
+ buf[2] = player_action;
+
+ sendbuf(3);
+}
+
void handlemessages()
{
unsigned int len;
+ struct user *u, *v = NULL;
static char msgbuf[300];
while (nread >= 4 && nread >= 4 + readbuf[3])
switch(buf[1])
{
- case OP_YOUARE:
- printf("OP_YOUARE: %d\n", buf[0]);
+ case OP_YOUR_NUMBER:
+ {
+ int new_client_nr = buf[2];
+ int new_index_nr = new_client_nr - 1;
+
+ printf("OP_YOUR_NUMBER: %d\n", buf[0]);
+ me.nr = new_client_nr;
+
+ stored_player[new_index_nr] = *local_player;
+ local_player = &stored_player[new_index_nr];
+
+ TestPlayer = new_index_nr;
+
+ if (me.nr > MAX_PLAYERS)
+ Error(ERR_EXIT, "sorry - no more than %d players", MAX_PLAYERS);
+
+ sprintf(msgbuf, "you get client # %d", new_client_nr);
+ sysmsg(msgbuf);
+
+ break;
+ }
+
+ case OP_NUMBER_WANTED:
+ {
+ int client_nr_wanted = buf[2];
+ int new_client_nr = buf[3];
+ int new_index_nr = new_client_nr - 1;
+
+ printf("OP_NUMBER_WANTED: %d\n", buf[0]);
+
+ if (new_client_nr != client_nr_wanted)
+ {
+ char *color[] = { "yellow", "red", "green", "blue" };
+
+ sprintf(msgbuf, "Sorry ! You are %s player !",
+ color[new_index_nr]);
+ Request(msgbuf, REQ_CONFIRM);
+
+ sprintf(msgbuf, "cannot switch -- you keep client # %d",
+ new_client_nr);
+ sysmsg(msgbuf);
+ }
+ else
+ {
+ if (me.nr != client_nr_wanted)
+ sprintf(msgbuf, "switching to client # %d", new_client_nr);
+ else
+ sprintf(msgbuf, "keeping client # %d", new_client_nr);
+ sysmsg(msgbuf);
+
+ me.nr = new_client_nr;
+
+ stored_player[new_index_nr] = *local_player;
+ local_player = &stored_player[new_index_nr];
+
+ TestPlayer = new_index_nr;
+ }
+
break;
+ }
- case OP_NEW:
- printf("OP_NEW: %d\n", buf[0]);
+ case OP_PLAYER_CONNECTED:
+ printf("OP_PLAYER_CONNECTED: %d\n", buf[0]);
sprintf(msgbuf, "new client %d connected", buf[0]);
sysmsg(msgbuf);
+
+ for (u = &me; u; u = u->next)
+ {
+ if (u->nr == buf[0])
+ Error(ERR_EXIT, "multiplayer server sent duplicate player id");
+ else
+ v = u;
+ }
+
+ v->next = u = mmalloc(sizeof(struct user));
+ u->nr = buf[0];
+ u->name[0] = '\0';
+ u->next = NULL;
+
+ break;
+
+ case OP_NICKNAME:
+ printf("OP_NICKNAME: %d\n", buf[0]);
+ u = finduser(buf[0]);
+ buf[len] = 0;
+ sprintf(msgbuf, "client %d calls itself \"%s\"", buf[0], &buf[2]);
+ sysmsg(msgbuf);
+ strncpy(u->name, &buf[2], MAXNICKLEN);
break;
case OP_GONE:
printf("OP_GONE: %d\n", buf[0]);
- sprintf(msgbuf, "client %d disconnected", buf[0]);
+ u = finduser(buf[0]);
+ sprintf(msgbuf, "client %d (%s) disconnected",
+ buf[0], get_user_name(buf[0]));
+ sysmsg(msgbuf);
+
+ for (v = &me; v; v = v->next)
+ if (v->next == u)
+ v->next = u->next;
+ free(u);
+
+ break;
+
+ case OP_BAD_PROTOCOL_VERSION:
+ Error(ERR_RETURN, "protocol version mismatch");
+ Error(ERR_EXIT, "server expects %d.%d.x instead of %d.%d.%d",
+ buf[2], buf[3], PROT_VERS_1, PROT_VERS_2, PROT_VERS_3);
+ break;
+
+ case OP_START_PLAYING:
+ {
+ int new_level_nr, new_leveldir_nr;
+ unsigned long new_random_seed;
+ unsigned char *new_leveldir_name;
+
+ /*
+ if (game_status == PLAYING)
+ break;
+ */
+
+ new_level_nr = (buf[2] << 8) + buf[3];
+ new_leveldir_nr = (buf[4] << 8) + buf[5];
+ new_random_seed =
+ (buf[6] << 24) | (buf[7] << 16) | (buf[8] << 8) | (buf[9]);
+ new_leveldir_name = &buf[10];
+
+ printf("OP_START_PLAYING: %d\n", buf[0]);
+ sprintf(msgbuf, "client %d starts game [level %d from levedir %d (%s)]\n",
+ buf[0],
+ new_level_nr,
+ new_leveldir_nr,
+ new_leveldir_name);
sysmsg(msgbuf);
+
+
+ if (strcmp(leveldir[new_leveldir_nr].name, new_leveldir_name) != 0)
+ Error(ERR_RETURN, "no such level directory: '%s'",new_leveldir_name);
+
+ leveldir_nr = new_leveldir_nr;
+
+ local_player->leveldir_nr = leveldir_nr;
+ LoadPlayerInfo(PLAYER_LEVEL);
+ SavePlayerInfo(PLAYER_SETUP);
+
+ level_nr = new_level_nr;
+
+ TapeErase();
+ LoadLevelTape(level_nr);
+
+ GetPlayerConfig();
+ LoadLevel(level_nr);
+
+ /*
+ if (autorecord_on)
+ TapeStartRecording();
+ */
+
+ if (tape.recording)
+ tape.random_seed = new_random_seed;
+
+ InitRND(new_random_seed);
+
+
+ /*
+ printf("tape.random_seed == %d\n", tape.random_seed);
+ */
+
+ game_status = PLAYING;
+ InitGame();
+
break;
+ }
+
+ case OP_MOVE_FIGURE:
+ {
+ int frame_nr;
+ int i;
+
+ frame_nr =
+ (buf[2] << 24) | (buf[3] << 16) | (buf[4] << 8) | (buf[5]);
- case OP_BADVERS:
+ if (frame_nr != FrameCounter)
{
- static char tmpbuf[128];
+ Error(ERR_RETURN, "client and servers frame counters out of sync");
+ Error(ERR_RETURN, "frame counter of client is %d", FrameCounter);
+ Error(ERR_RETURN, "frame counter of server is %d", frame_nr);
+ Error(ERR_EXIT, "this should not happen -- please debug");
+ }
- sprintf(tmpbuf, "Protocol version mismatch: server expects %d.%d.x instead of %d.%d.%d\n", buf[2], buf[3], PROT_VERS_1, PROT_VERS_2, PROT_VERS_3);
- fatal(tmpbuf);
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+ if (stored_player[i].active)
+ network_player_action[i] = buf[6 + i];
}
- break;
-
- case OP_PLAY:
- printf("OP_PLAY: %d\n", buf[0]);
- sprintf(msgbuf, "client %d starts game", buf[0]);
+
+ network_player_action_received = TRUE;
+
+ sprintf(msgbuf, "frame %d: client %d moves player [0x%02x]",
+ FrameCounter, buf[0], buf[2]);
sysmsg(msgbuf);
+
break;
+ }
case OP_PAUSE:
printf("OP_PAUSE: %d\n", buf[0]);
sysmsg(msgbuf);
break;
- case OP_NICK:
- printf("OP_NICK: %d\n", buf[0]);
- sprintf(msgbuf, "client %d calls itself \"%s\"", buf[0], &buf[2]);
- sysmsg(msgbuf);
- break;
-
case OP_MSG:
printf("OP_MSG: %d\n", buf[0]);
sprintf(msgbuf, "client %d sends message", buf[0]);
{
int r;
- r = read(sfd, readbuf + nread, BUFLEN - nread);
+ r = read(sfd, readbuf + nread, MAX_BUFFER_SIZE - nread);
if (r < 0)
fatal("Error reading from server");
projects / rocksndiamonds.git / blobdiff