-
-
-/* TEST STUFF -------------------------------------------------------------- */
-
-#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
-
-/* server stuff */
-
-#define BUFLEN 4096
-
-extern int sfd;
-extern unsigned char realbuf[], readbuf[], writbuf[];
-extern unsigned char *buf;
-extern int nread, nwrite;
-
-extern void fatal(char *);
-extern void flushbuf(void);
-extern void sysmsg(char *);
-
-/* like memcpy, but guaranteed to handle overlap when s <= t */
-void copydown(char *s, char *t, int n)
-{
- for (; n; n--)
- *(s++) = *(t++);
-}
-
-void handlemessages()
-{
- unsigned int len;
- static char msgbuf[300];
-
- while (nread >= 4 && nread >= 4 + readbuf[3])
- {
- len = readbuf[3];
- if (readbuf[0] || readbuf[1] || readbuf[2])
- fatal("Wrong server line length");
-
- memcpy(buf, &readbuf[4], len);
- nread -= 4 + len;
- copydown(readbuf, readbuf + 4 + len, nread);
-
- switch(buf[1])
- {
- case OP_YOUARE:
- printf("OP_YOUARE: %d\n", buf[0]);
- break;
-
- case OP_NEW:
- printf("OP_NEW: %d\n", buf[0]);
- sprintf(msgbuf, "new client %d connected", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_GONE:
- printf("OP_GONE: %d\n", buf[0]);
- sprintf(msgbuf, "client %d disconnected", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_BADVERS:
- {
- static char tmpbuf[128];
-
- 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);
- }
- break;
-
- case OP_PLAY:
- printf("OP_PLAY: %d\n", buf[0]);
- sprintf(msgbuf, "client %d starts game", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_PAUSE:
- printf("OP_PAUSE: %d\n", buf[0]);
- sprintf(msgbuf, "client %d pauses game", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_CONT:
- printf("OP_CONT: %d\n", buf[0]);
- sprintf(msgbuf, "client %d continues game", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_WON:
- printf("OP_WON: %d\n", buf[0]);
- sprintf(msgbuf, "client %d wins the game", buf[0]);
- sysmsg(msgbuf);
- break;
-
- case OP_ZERO:
- printf("OP_ZERO: %d\n", buf[0]);
- sprintf(msgbuf, "client %d resets game counters", 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]);
- break;
-
- case OP_LOST:
- printf("OP_MSG: %d\n", buf[0]);
- sprintf(msgbuf, "client %d has lost", buf[0]);
- break;
-
- case OP_LEVEL:
- printf("OP_MSG: %d\n", buf[0]);
- sprintf(msgbuf, "client %d sets level to %d", buf[0], buf[2]);
- break;
- }
- }
-
- fflush(stdout);
-}
-
-
-
-static void HandleNetworking()
-{
- static struct timeval tv = { 0, 0 };
- fd_set rfds;
- int r = 0;
-
- if (standalone)
- return;
-
- flushbuf();
-
- FD_ZERO(&rfds);
- FD_SET(sfd, &rfds);
-
- r = select(sfd + 1, &rfds, NULL, NULL, &tv);
-
- if (r < 0 && errno != EINTR)
- {
- perror("select");
- fatal("fatal: select() failed");
- }
-
- if (r < 0)
- FD_ZERO(&rfds);
-
- if (FD_ISSET(sfd, &rfds))
- {
- int r;
-
- r = read(sfd, readbuf + nread, BUFLEN - nread);
-
- if (r < 0)
- fatal("Error reading from server");
- if (r == 0)
- fatal("Connection to server lost");
- nread += r;
-
- handlemessages();
- }
-}
-