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khan: close on uv_read_start failure

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Also do some minor cleanup.
This commit is contained in:
Jōshin 2021-09-18 18:03:26 +00:00
parent e56ab9da1d
commit ba76bcbc32
1 changed files with 21 additions and 25 deletions
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46
pkg/urbit/vere/io/khan.c
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@ -50,6 +50,14 @@ _khan_alloc(uv_handle_t* had_u,
*buf_u = uv_buf_init(ptr_v, len_i);
}
/* _khan_close_cb(): socket close callback.
*/
static void
_khan_close_cb(uv_handle_t* had_u)
{
c3_free(had_u);
}
/* _khan_read_cb(): socket read callback.
*/
static void
@ -110,36 +118,26 @@ _khan_conn_cb(uv_stream_t* sem_u, c3_i tas_i)
can_u = c3_calloc(sizeof(u3_chan));
can_u->coq_l = ( san_u->can_u ) ? 1 + san_u->can_u->coq_l : 0;
can_u->san_u = san_u;
can_u->nex_u = san_u->can_u;
if ( 0 != (err_i = uv_pipe_init(u3L, &can_u->pyp_u, 0)) ) {
u3l_log("khan: client init failed: %s\n", uv_strerror(err_i));
c3_free(can_u);
u3_king_bail();
}
if ( 0 != (err_i = uv_accept(sem_u, (uv_stream_t*)&can_u->pyp_u)) ) {
u3l_log("khan: accept failed: %s\n", uv_strerror(err_i));
u3l_log("khan: accept: %s\n", uv_strerror(err_i));
c3_free(can_u);
u3_king_bail();
}
if ( 0 != (err_i = uv_read_start((uv_stream_t*)&can_u->pyp_u, _khan_alloc,
_khan_read_cb)) ) {
u3l_log("khan: read_start failed: %s\n", uv_strerror(err_i));
// TODO close handle
c3_free(can_u);
u3l_log("khan: uv_read_start: %s\n", uv_strerror(err_i));
uv_close((uv_handle_t*)&can_u->pyp_u, _khan_close_cb);
u3_king_bail();
}
can_u->nex_u = san_u->can_u;
san_u->can_u = can_u;
}
/* _khan_close_cb(): socket close callback.
*/
static void
_khan_close_cb(uv_handle_t* had_u)
{
c3_free(had_u);
}
/* _khan_sock_init(): initialize socket device.
*/
static void
@ -162,34 +160,34 @@ _khan_sock_init(u3_shan* san_u)
}
if ( 0 != unlink(URB_SOCK_PATH) && errno != ENOENT ) {
u3l_log("khan: unlink: %s\n", uv_strerror(errno));
goto _khan_err_chdir;
goto _khan_sock_err_chdir;
}
if ( 0 != (err_i = uv_pipe_init(u3L, &san_u->pyp_u, 0)) ) {
u3l_log("khan: uv_pipe_init: %s\n", uv_strerror(err_i));
goto _khan_err_chdir;
goto _khan_sock_err_chdir;
}
if ( 0 != (err_i = uv_pipe_bind(&san_u->pyp_u, URB_SOCK_PATH)) ) {
u3l_log("khan: uv_pipe_bind: %s\n", uv_strerror(err_i));
goto _khan_err_chdir;
goto _khan_sock_err_chdir;
}
if ( 0 != (err_i = uv_listen((uv_stream_t*)&san_u->pyp_u, 0,
_khan_conn_cb)) ) {
u3l_log("khan: uv_listen: %s\n", uv_strerror(err_i));
goto _khan_err_unlink;
goto _khan_sock_err_unlink;
}
if ( 0 != chdir(pax_c) ) {
u3l_log("khan: chdir: %s\n", uv_strerror(errno));
goto _khan_err_close;
goto _khan_sock_err_close;
}
return;
_khan_err_close:
_khan_sock_err_close:
uv_close((uv_handle_t*)&san_u->pyp_u, _khan_close_cb);
_khan_err_unlink:
_khan_sock_err_unlink:
if ( 0 != unlink(URB_SOCK_PATH) ) {
u3l_log("khan: unlink: %s\n", uv_strerror(errno));
}
_khan_err_chdir:
_khan_sock_err_chdir:
if ( 0 != chdir(pax_c) ) {
u3l_log("khan: chdir: %s\n", uv_strerror(errno));
}
@ -203,10 +201,9 @@ _khan_born_news(u3_ovum* egg_u, u3_ovum_news new_e)
{
u3_auto* car_u = egg_u->car_u;
u3_khan* kan_u = (u3_khan*)car_u;
if ( u3_ovum_done == new_e ) {
u3_shan* san_u;
if ( u3_ovum_done == new_e ) {
c3_assert(!kan_u->san_u);
san_u = c3_calloc(sizeof(*san_u));
_khan_sock_init(san_u);
@ -350,6 +347,5 @@ u3_khan_io_init(u3_pier* pir_u)
u3z(now);
}
return car_u;
}