diff options
Diffstat (limited to 'btsd.c')
| -rw-r--r-- | btsd.c | 118 |
1 files changed, 37 insertions, 81 deletions
@@ -10,40 +10,10 @@ int debug; -Playerq playerq; +Channel *playerq; void -pushplayer(Player *p) -{ - qlock(&playerq); - if(++playerq.nplayers > playerq.cap){ - playerq.cap = playerq.nplayers; - playerq.players = erealloc(playerq.players, playerq.cap * sizeof p); - } - playerq.players[playerq.nplayers-1] = p; - qunlock(&playerq); - if(debug) - fprint(2, "pushed fd %d sfd %d state %d\n", p->fd, p->sfd, p->state); -} - -/* XXX non-locking */ -Player * -popplayer(void) -{ - Player *p; - - p = nil; - if(playerq.nplayers > 0){ - p = playerq.players[0]; - memmove(&playerq.players[0], &playerq.players[1], --playerq.nplayers * sizeof p); - } - if(debug) - fprint(2, "poppin fd %d sfd %d state %d\n", p->fd, p->sfd, p->state); - return p; -} - -void freeplayer(Player *p) { close(p->sfd); @@ -51,6 +21,18 @@ freeplayer(Player *p) free(p); } +int +isconnected(Player *p) +{ + char buf[8]; + int n; + + n = pread(p->sfd, buf, sizeof buf, 0); + if(n < 0 || strncmp(buf, "Close", 5) == 0) + return 0; + return 1; +} + void netrecvthread(void *arg) { @@ -122,6 +104,13 @@ battleproc(void *arg) threadcreate(netrecvthread, &cp[0], mainstacksize); threadcreate(netrecvthread, &cp[1], mainstacksize); + for(i = 0; i < nelem(m->pl); i++) + if(!isconnected(m->pl[i])){ + sendp(playerq, m->pl[i^1]); + freeplayer(m->pl[i]); + goto Finish; + } + write(m->pl[0]->fd, "id\n", 3); write(m->pl[1]->fd, "id\n", 3); @@ -133,7 +122,7 @@ battleproc(void *arg) if(debug) fprint(2, "[%d] alt: %s\n", getpid(), a[i].err); write(op->fd, "win\n", 4); - pushplayer(op); + sendp(playerq, op); freeplayer(p); break; } @@ -188,11 +177,11 @@ battleproc(void *arg) settile(op, cell, Thit); write(p->fd, "hit\n", 4); fprint(op->fd, "hit %s\n", cell2coords(cell)); - if(countshipcells(op) < 1){ + if(countshipcells(op) < 17){ write(p->fd, "win\n", 4); write(op->fd, "lose\n", 5); - pushplayer(p); - pushplayer(op); + sendp(playerq, p); + sendp(playerq, op); goto Finish; } goto Swapturn; @@ -225,64 +214,31 @@ Finish: } void -reaper(void *) -{ - char buf[8]; - ulong i; - int n; - - threadsetname("reaper"); - - for(;;){ - qlock(&playerq); - for(i = 0; i < playerq.nplayers; i++){ - if(debug) - fprint(2, "reapin fd %d sfd %d state %d?", - playerq.players[i]->fd, playerq.players[i]->sfd, playerq.players[i]->state); - n = pread(playerq.players[i]->sfd, buf, sizeof buf, 0); - if(n < 0 || strncmp(buf, "Close", 5) == 0){ - if(debug) - fprint(2, " yes\n"); - freeplayer(playerq.players[i]); - memmove(&playerq.players[i], &playerq.players[i+1], (--playerq.nplayers-i)*sizeof(Player*)); - }else if(debug) - fprint(2, " no\n"); - } - qunlock(&playerq); - sleep(HZ2MS(1)); - } -} - -void matchmaker(void *) { Match *m; + Player *pl[2]; threadsetname("matchmaker"); for(;;){ - qlock(&playerq); - if(playerq.nplayers < 2){ - qunlock(&playerq); - sleep(100); - continue; - } + pl[0] = recvp(playerq); + pl[1] = recvp(playerq); + pl[0]->state = Waiting0; + pl[1]->state = Waiting0; + memset(pl[0]->map, Twater, MAPW*MAPH); + memset(pl[1]->map, Twater, MAPW*MAPH); m = emalloc(sizeof *m); - m->pl[0] = popplayer(); - m->pl[1] = popplayer(); - qunlock(&playerq); - m->pl[0]->state = Waiting0; - m->pl[1]->state = Waiting0; - memset(m->pl[0]->map, Twater, MAPW*MAPH); - memset(m->pl[1]->map, Twater, MAPW*MAPH); + m->pl[0] = pl[0]; + m->pl[1] = pl[1]; proccreate(battleproc, m, mainstacksize); } } void -listenthread(char *addr) +dolisten(char *addr) { char adir[40], ldir[40], aux[128], *s; int acfd, lcfd, dfd, sfd; @@ -309,7 +265,7 @@ listenthread(char *addr) p->fd = dfd; p->sfd = sfd; p->state = Waiting0; - pushplayer(p); + sendp(playerq, p); } close(lcfd); } @@ -343,7 +299,7 @@ threadmain(int argc, char *argv[]) if(argc != 0) usage(); + playerq = chancreate(sizeof(Player*), 8); proccreate(matchmaker, nil, mainstacksize); - proccreate(reaper, nil, mainstacksize); - listenthread(addr); + dolisten(addr); } |