void
ipc_init(void)
{
int sd;
struct sockaddr_un addr;
size_t psiz = sizeof(addr.sun_path);
addr.sun_family = PF_UNIX;
if (snprintf(addr.sun_path, psiz, "%s/sock", btpd_dir) >= psiz)
btpd_err("'%s/sock' is too long.\n", btpd_dir);
if ((sd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
btpd_err("sock: %s\n", strerror(errno));
if (bind(sd, (struct sockaddr *)&addr, sizeof(addr)) != 0) {
if (errno == EADDRINUSE) {
unlink(addr.sun_path);
if (bind(sd, (struct sockaddr *)&addr, sizeof(addr)) != 0)
btpd_err("bind: %s\n", strerror(errno));
} else
btpd_err("bind: %s\n", strerror(errno));
}
if (chmod(addr.sun_path, ipcprot) == -1)
btpd_err("chmod: %s (%s).\n", addr.sun_path, strerror(errno));
listen(sd, 4);
set_nonblocking(sd);
btpd_ev_new(&m_cli_incoming, sd, EV_READ, client_connection_cb, NULL);
m_listen_sd = sd;
}
static void
nc_connect(struct nameconn *nc)
{
struct addrinfo *ai;
int err;
again:
if ((ai = nc->ai_cur) == NULL) {
nc_done(nc, -1);
return;
}
if ((nc->sd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0)
btpd_err("Failed to create socket (%s).\r\n", strerror(errno));
set_nonblocking(nc->sd);
err = connect(nc->sd, ai->ai_addr, ai->ai_addrlen);
if (err == 0)
nc_done(nc, 0);
else if (err == SOCKET_ERROR && WSAGetLastError() == WSAEWOULDBLOCK)
btpd_ev_new(&nc->write_ev, nc->sd, EV_WRITE, nc_write_cb, nc);
else {
closesocket(nc->sd);
nc->ai_cur = ai->ai_next;
goto again;
}
}
void
client_connection_cb(int sd, short type, void *arg)
{
int nsd;
if ((nsd = accept(sd, NULL, NULL)) < 0) {
if (errno == EWOULDBLOCK || errno == ECONNABORTED)
return;
else
btpd_err("client accept: %s\n", strerror(errno));
}
if ((errno = set_blocking(nsd)) != 0)
btpd_err("set_blocking: %s.\n", strerror(errno));
struct cli *cli = btpd_calloc(1, sizeof(*cli));
cli->sd = nsd;
btpd_ev_new(&cli->read, cli->sd, EV_READ, cli_read_cb, cli);
}
static void
httptr_nc_cb(void *arg, int error, int sd)
{
struct tr_response res;
struct httptr_req *treq = arg;
if (error) {
res.type = TR_RES_CONN;
tr_result(treq->tr, &res);
http_cancel(treq->req);
httptr_free(treq);
} else {
treq->sd = sd;
uint16_t flags =
(http_want_read(treq->req) ? EV_READ : 0) |
(http_want_write(treq->req) ? EV_WRITE : 0);
btpd_ev_new(&treq->ioev, sd, flags, httptr_io_cb, treq);
btpd_timer_add(&treq->timer, (& (struct timespec) {
30, 0
}));
}