diff options
| -rw-r--r-- | server.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/server.c b/server.c index c48f0b8..787b258 100644 --- a/server.c +++ b/server.c @@ -37,15 +37,16 @@ static struct Tile *tiles; -static void tilesMap(void) { - int fd = open("torus.dat", O_CREAT | O_RDWR, 0644); - if (fd < 0) err(EX_CANTCREAT, "torus.dat"); +static void tilesMap(const char *path) { + int fd = open(path, O_CREAT | O_RDWR, 0644); + if (fd < 0) err(EX_CANTCREAT, "%s", path); int error = ftruncate(fd, TilesSize); - if (error) err(EX_IOERR, "ftruncate"); + if (error) err(EX_IOERR, "%s", path); tiles = mmap(NULL, TilesSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (tiles == MAP_FAILED) err(EX_OSERR, "mmap"); + close(fd); error = madvise(tiles, TilesSize, MADV_RANDOM); if (error) err(EX_OSERR, "madvise"); @@ -353,23 +354,32 @@ static bool clientMap(const struct Client *client) { return true; } -int main() { +int main(int argc, char *argv[]) { int error; - tilesMap(); + const char *dataPath = "torus.dat"; + const char *sockPath = "torus.sock"; + int opt; + while (0 < (opt = getopt(argc, argv, "d:s:"))) { + switch (opt) { + break; case 'd': dataPath = optarg; + break; case 's': sockPath = optarg; + break; default: return EX_USAGE; + } + } + + tilesMap(dataPath); int server = socket(PF_LOCAL, SOCK_STREAM, 0); if (server < 0) err(EX_OSERR, "socket"); - error = unlink("torus.sock"); - if (error && errno != ENOENT) err(EX_IOERR, "torus.sock"); + error = unlink(sockPath); + if (error && errno != ENOENT) err(EX_IOERR, "%s", sockPath); - struct sockaddr_un addr = { - .sun_family = AF_LOCAL, - .sun_path = "torus.sock", - }; - error = bind(server, (struct sockaddr *)&addr, sizeof(addr)); - if (error) err(EX_CANTCREAT, "torus.sock"); + struct sockaddr_un addr = { .sun_family = AF_LOCAL }; + strlcpy(addr.sun_path, sockPath, sizeof(addr.sun_path)); + error = bind(server, (struct sockaddr *)&addr, SUN_LEN(&addr)); + if (error) err(EX_CANTCREAT, "%s", sockPath); error = listen(server, 0); if (error) err(EX_OSERR, "listen"); |