void rtsp_listen_loop(void) {
struct addrinfo hints, *info, *p;
char portstr[6];
int *sockfd = NULL;
int nsock = 0;
int i, ret;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
snprintf(portstr, 6, "%d", config.port);
ret = getaddrinfo(NULL, portstr, &hints, &info);
if (ret) {
die("getaddrinfo failed: %s", gai_strerror(ret));
}
for (p=info; p; p=p->ai_next) {
int fd = socket(p->ai_family, p->ai_socktype, IPPROTO_TCP);
int yes = 1;
ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
#ifdef IPV6_V6ONLY
// some systems don't support v4 access on v6 sockets, but some do.
// since we need to account for two sockets we might as well
// always.
if (p->ai_family == AF_INET6)
ret |= setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof(yes));
#endif
if (!ret)
ret = bind(fd, p->ai_addr, p->ai_addrlen);
// one of the address families will fail on some systems that
// report its availability. do not complain.
if (ret) {
debug(1, "Failed to bind to address %s\n", format_address(p->ai_addr));
continue;
}
debug(1, "Bound to address %s\n", format_address(p->ai_addr));
listen(fd, 5);
nsock++;
sockfd = realloc(sockfd, nsock*sizeof(int));
sockfd[nsock-1] = fd;
}
freeaddrinfo(info);
if (!nsock)
die("could not bind any listen sockets!");
int maxfd = -1;
fd_set fds;
FD_ZERO(&fds);
for (i=0; i<nsock; i++) {
if (sockfd[i] > maxfd)
maxfd = sockfd[i];
}
mdns_register();
printf("Listening for connections.\n");
shairport_startup_complete();
int acceptfd;
struct timeval tv;
while (1) {
tv.tv_sec = 300;
tv.tv_usec = 0;
for (i=0; i<nsock; i++)
FD_SET(sockfd[i], &fds);
ret = select(maxfd+1, &fds, 0, 0, &tv);
if (ret<0) {
if (errno==EINTR)
continue;
break;
}
cleanup_threads();
acceptfd = -1;
for (i=0; i<nsock; i++) {
if (FD_ISSET(sockfd[i], &fds)) {
acceptfd = sockfd[i];
break;
}
}
if (acceptfd < 0) // timeout
continue;
rtsp_conn_info *conn = malloc(sizeof(rtsp_conn_info));
memset(conn, 0, sizeof(rtsp_conn_info));
socklen_t slen = sizeof(conn->remote);
debug(1, "new RTSP connection\n");
conn->fd = accept(acceptfd, (struct sockaddr *)&conn->remote, &slen);
if (conn->fd < 0) {
perror("failed to accept connection");
free(conn);
} else {
pthread_t rtsp_conversation_thread;
ret = pthread_create(&rtsp_conversation_thread, NULL, rtsp_conversation_thread_func, conn);
if (ret)
die("Failed to create RTSP receiver thread!");
conn->thread = rtsp_conversation_thread;
conn->running = 1;
track_thread(conn);
}
}
perror("select");
die("fell out of the RTSP select loop");
}
static int
register_services(char *ffid, int no_rsp, int no_daap)
{
cfg_t *lib;
char *libname;
char *password;
char *txtrecord[10];
char records[9][128];
int port;
uint32_t hash;
int i;
int ret;
srand((unsigned int)time(NULL));
lib = cfg_getsec(cfg, "library");
libname = cfg_getstr(lib, "name");
hash = djb_hash(libname, strlen(libname));
for (i = 0; i < (sizeof(records) / sizeof(records[0])); i++)
{
memset(records[i], 0, 128);
txtrecord[i] = records[i];
}
txtrecord[9] = NULL;
snprintf(txtrecord[0], 128, "txtvers=1");
snprintf(txtrecord[1], 128, "Database ID=%0X", hash);
snprintf(txtrecord[2], 128, "Machine ID=%0X", hash);
snprintf(txtrecord[3], 128, "Machine Name=%s", libname);
snprintf(txtrecord[4], 128, "mtd-version=%s", VERSION);
snprintf(txtrecord[5], 128, "iTSh Version=131073"); /* iTunes 6.0.4 */
snprintf(txtrecord[6], 128, "Version=196610"); /* iTunes 6.0.4 */
password = cfg_getstr(lib, "password");
snprintf(txtrecord[7], 128, "Password=%s", (password) ? "true" : "false");
if (ffid)
snprintf(txtrecord[8], 128, "ffid=%s", ffid);
else
snprintf(txtrecord[8], 128, "ffid=%08x", rand());
DPRINTF(E_INFO, L_MAIN, "Registering rendezvous names\n");
port = cfg_getint(lib, "port");
/* Register web server service */
ret = mdns_register(libname, "_http._tcp", port, txtrecord);
if (ret < 0)
return ret;
/* Register RSP service */
if (!no_rsp)
{
ret = mdns_register(libname, "_rsp._tcp", port, txtrecord);
if (ret < 0)
return ret;
}
/* Register DAAP service */
if (!no_daap)
{
ret = mdns_register(libname, "_daap._tcp", port, txtrecord);
if (ret < 0)
return ret;
}
for (i = 0; i < (sizeof(records) / sizeof(records[0])); i++)
{
memset(records[i], 0, 128);
}
snprintf(txtrecord[0], 128, "txtvers=1");
snprintf(txtrecord[1], 128, "DbId=%016" PRIX64, libhash);
snprintf(txtrecord[2], 128, "DvTy=iTunes");
snprintf(txtrecord[3], 128, "DvSv=2306"); /* Magic number! Yay! */
snprintf(txtrecord[4], 128, "Ver=131073"); /* iTunes 6.0.4 */
snprintf(txtrecord[5], 128, "OSsi=0x1F5"); /* Magic number! Yay! */
snprintf(txtrecord[6], 128, "CtlN=%s", libname);
/* Terminator */
txtrecord[7] = NULL;
/* The group name for the touch-able service advertising is a 64bit hash
* but is different from the DbId in iTunes. For now we'll use a hash of
* the library name for both, and we'll change that if needed.
*/
/* Use as scratch space for the hash */
snprintf(records[7], 128, "%016" PRIX64, libhash);
/* Register touch-able service, for Remote.app */
ret = mdns_register(records[7], "_touch-able._tcp", port, txtrecord);
if (ret < 0)
return ret;
return 0;
}