static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data)
{
struct pollfd pfd;
assert(rpc->magic == RPC_CONTEXT_MAGIC);
while (!cb_data->is_finished) {
pfd.fd = rpc_get_fd(rpc);
pfd.events = rpc_which_events(rpc);
if (poll(&pfd, 1, -1) < 0) {
rpc_set_error(rpc, "Poll failed");
cb_data->status = -EIO;
break;
}
if (rpc_service(rpc, pfd.revents) < 0) {
rpc_set_error(rpc, "rpc_service failed");
cb_data->status = -EIO;
break;
}
if (rpc_get_fd(rpc) == -1) {
rpc_set_error(rpc, "Socket closed\n");
break;
}
}
}
static int
vlc_rpc_mainloop(access_t *p_access, struct rpc_context *p_rpc_ctx,
bool (*pf_until_cb)(access_t *))
{
access_sys_t *p_sys = p_access->p_sys;
while (!p_sys->b_error && !pf_until_cb(p_access))
{
struct pollfd p_fds[1];
int i_ret;
p_fds[0].fd = rpc_get_fd(p_rpc_ctx);
p_fds[0].events = rpc_which_events(p_rpc_ctx);
if ((i_ret = vlc_poll_i11e(p_fds, 1, -1)) < 0)
{
if (errno == EINTR)
msg_Warn(p_access, "vlc_poll_i11e interrupted");
else
msg_Err(p_access, "vlc_poll_i11e failed");
p_sys->b_error = true;
}
else if (i_ret > 0 && p_fds[0].revents
&& rpc_service(p_rpc_ctx, p_fds[0].revents) < 0)
{
msg_Err(p_access, "nfs_service failed");
p_sys->b_error = true;
}
}
return p_sys->b_error ? -1 : 0;
}
static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data)
{
struct pollfd pfd;
for (;;) {
if (cb_data->is_finished) {
break;
}
pfd.fd = rpc_get_fd(rpc);
pfd.events = rpc_which_events(rpc);
if (poll(&pfd, 1, -1) < 0) {
rpc_set_error(rpc, "Poll failed");
cb_data->status = -EIO;
break;
}
if (rpc_service(rpc, pfd.revents) < 0) {
rpc_set_error(rpc, "rpc_service failed");
cb_data->status = -EIO;
break;
}
}
}
int dup2(int oldfd, int newfd)
{
close(newfd);
if (nfs_fd_list[oldfd].is_nfs == 1) {
struct nfs_context *nfs;
struct nfs_url *url;
struct nfsfh *fh = NULL;
int ret, fd;
LD_NFS_DPRINTF(9, "dup2(%s:%d, %d)", nfs_fd_list[oldfd].path,
oldfd, newfd);
nfs = nfs_init_context();
if (nfs == NULL) {
LD_NFS_DPRINTF(1, "Failed to create context");
errno = ENOMEM;
return -1;
}
url = nfs_parse_url_full(nfs, nfs_fd_list[oldfd].path);
if (url == NULL) {
LD_NFS_DPRINTF(1, "Failed to parse URL: %s\n",
nfs_get_error(nfs));
nfs_destroy_context(nfs);
errno = EINVAL;
return -1;
}
if (nfs_mount(nfs, url->server, url->path) != 0) {
LD_NFS_DPRINTF(1, "Failed to mount nfs share : %s\n",
nfs_get_error(nfs));
nfs_destroy_url(url);
nfs_destroy_context(nfs);
errno = EINVAL;
return -1;
}
if ((ret = nfs_open(nfs, url->file, nfs_fd_list[oldfd].mode,
&fh)) != 0) {
LD_NFS_DPRINTF(1, "Failed to open nfs file : %s\n",
nfs_get_error(nfs));
nfs_destroy_url(url);
nfs_destroy_context(nfs);
errno = -ret;
return -1;
}
/* We could actually end on the right descriptor by chance */
if (nfs_get_fd(nfs) != newfd) {
if (real_dup2(nfs_get_fd(nfs), newfd) < 0) {
LD_NFS_DPRINTF(1, "Failed to dup2 file : %d",
errno);
return -1;
}
close(rpc_get_fd(nfs_get_rpc_context(nfs)));
rpc_set_fd(nfs_get_rpc_context(nfs), newfd);
}
fd = nfs_get_fd(nfs);
if (fd >= NFS_MAX_FD) {
LD_NFS_DPRINTF(1, "Too many files open");
nfs_destroy_url(url);
nfs_destroy_context(nfs);
errno = ENFILE;
return -1;
}
nfs_fd_list[fd].is_nfs = 1;
nfs_fd_list[fd].nfs = nfs;
nfs_fd_list[fd].fh = fh;
nfs_fd_list[fd].path = strdup(nfs_fd_list[oldfd].path);
nfs_fd_list[fd].flags = nfs_fd_list[oldfd].flags;
nfs_fd_list[fd].mode = nfs_fd_list[oldfd].mode;
nfs_destroy_url(url);
LD_NFS_DPRINTF(9, "dup2(%s) successful",
nfs_fd_list[oldfd].path);
return fd;
}
return real_dup2(oldfd, newfd);
}
