Fixed some list element problem in netsrvlst routines.origin
stpohle
21 years ago
parent
de50b066cf
commit
e072547df6
@ -0,0 +1,26 @@
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/* $id:$ */
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#define BC_MAXENTRYS 64
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#define BC_REQUESTTIME 2500
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#define BC_REQUESTTIMEOUT 7500
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struct broadcast_entry {
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char port[LEN_PORT];
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char host[LEN_SERVERNAME];
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char gamename[LEN_GAMENAME];
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char version[LEN_VERSION];
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int ping;
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int password;
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int curplayers;
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int maxplayers;
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int timestamp;
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};
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extern struct broadcast_entry broadcast_list [];
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extern void broadcast_send (char *host, char *port);
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void broadcast_init ();
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void broadcast_loop ();
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int broadcast_find (char *host, char *port);
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int broadcast_findfree ();
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void broadcast_check ();
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@ -0,0 +1,138 @@
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/* $id:$
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* find broadcasted games */
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#include "bomberclone.h"
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#include "network.h"
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#include "packets.h"
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#include "broadcast.h"
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static int bc_lastrequest;
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struct broadcast_entry broadcast_list [BC_MAXENTRYS];
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/* find a game on the same server and port */
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int broadcast_find (char *host, char *port) {
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int i;
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for (i = 0; ((strncmp (host, broadcast_list[i].host, LEN_SERVERNAME) != 0)
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&& (strncmp (port, broadcast_list[i].port, LEN_PORT) != 0)
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&& (i < BC_MAXENTRYS)); i++);
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if (i >= BC_MAXENTRYS)
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i = -1;
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return i;
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};
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/* find next free game */
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int broadcast_findfree () {
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int i;
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for (i = 0; (broadcast_list[i].host[0] != 0) && (i < BC_MAXENTRYS); i++);
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return i;
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}
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/* check for old not seen games */
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void broadcast_check () {
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int i;
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for (i = 0; i < BC_MAXENTRYS; i++) {
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while ((broadcast_list[i].host[0] != 0)
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&& (timestamp - broadcast_list[i].timestamp > BC_REQUESTTIMEOUT)) {
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/* delete entry */
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if (i < (BC_MAXENTRYS -1))
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memcpy (&broadcast_list[i], &broadcast_list[i+1], sizeof (struct broadcast_entry) * (BC_MAXENTRYS - (i+1)));
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broadcast_list[BC_MAXENTRYS-1].host[0] = 0;
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}
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}
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}
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/* open and send the first broadcast request */
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void broadcast_init () {
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int i;
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for (i = 0; i < BC_MAXENTRYS; i++)
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broadcast_list[i].host[0] = 0;
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broadcast_send (NULL, NULL);
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bc_lastrequest = timestamp;
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};
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/* send the broadcast information */
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void broadcast_send (char *host, char *port) {
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_net_addr addr;
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if (host != NULL && port != NULL) {
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strncpy (addr.host, host, LEN_SERVERNAME);
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strncpy (addr.port, port, LEN_PORT);
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d_printf ("broadcast_send (%s:%s)\n", addr.host, addr.port);
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dns_filladdr (addr.host, LEN_SERVERNAME, addr.port, LEN_PORT, bman.net_ai_family, &addr.sAddr);
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send_gameinfo (&addr, bman.sock, 0);
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}
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else {
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sprintf (addr.port, "%d", DEFAULT_UDPPORT);
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strncpy (addr.host, "255.255.255.255", LEN_SERVERNAME);
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d_printf ("broadcast_send (%s:%s)\n", addr.host, addr.port);
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dns_filladdr (addr.host, LEN_SERVERNAME, addr.port, LEN_PORT, bman.net_ai_family, &addr.sAddr);
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send_gameinfo (&addr, bman.sock, 1);
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}
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};
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void broadcast_loop () {
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int inlen;
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char indata [MAX_UDPDATA];
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struct pkg_gameinfo *pgi;
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_net_addr addr;
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if ((timestamp - bc_lastrequest) > BC_REQUESTTIME) {
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broadcast_send (NULL, NULL);
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bc_lastrequest = timestamp;
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}
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pgi = (struct pkg_gameinfo*) &indata;
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pgi->gamename[0] = 0;
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addr.port[0] = addr.host[0] = 0;
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inlen = udp_get (bman.sock, indata, MAX_UDPDATA, &addr.sAddr, bman.net_ai_family);
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if (inlen > 0)
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dns_filladdr (addr.host, LEN_SERVERNAME, addr.port, LEN_PORT, bman.net_ai_family,
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&addr.sAddr);
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while (inlen > 0) {
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if (pgi->gamename[0] != 0 && pgi->broadcast) {
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int nr;
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nr = broadcast_find (addr.host, addr.port);
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if (nr == -1)
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nr = broadcast_findfree ();
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if (nr < BC_MAXENTRYS) {
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strncpy (broadcast_list[nr].host, addr.host, LEN_SERVERNAME);
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strncpy (broadcast_list[nr].port, addr.port, LEN_PORT);
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strncpy (broadcast_list[nr].version, pgi->version, LEN_VERSION);
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strncpy (broadcast_list[nr].gamename, pgi->gamename, LEN_GAMENAME);
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d_printf ("broadcast_loop: Add: nr:%d game:%s %s:%s\n", nr,
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broadcast_list[nr].gamename, broadcast_list[nr].host,
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broadcast_list[nr].port);
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broadcast_list[nr].timestamp = timestamp;
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}
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}
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pgi->gamename[0] = 0;
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addr.port[0] = addr.host[0] = 0;
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inlen = udp_get (bman.sock, indata, MAX_UDPDATA, &addr.sAddr, bman.net_ai_family);
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if (inlen > 0)
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dns_filladdr (addr.host, LEN_SERVERNAME, addr.port, LEN_PORT, bman.net_ai_family,
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&addr.sAddr);
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}
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broadcast_check ();
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};
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