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khan: use u3_moor

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This commit is contained in:
Jōshin 2021-10-03 16:15:08 +00:00
parent b3f12cf9ba
commit 77db31f187
1 changed files with 33 additions and 49 deletions
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82
pkg/urbit/vere/io/khan.c
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@ -1,6 +1,7 @@
/* vere/khan.c
**
*/
#include <inttypes.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
@ -11,13 +12,12 @@
#include "all.h"
#include "vere/vere.h"
/* u3_chan: incoming control plane connection.
/* u3_chan: incoming control plane connection. used as u3_shan->mor_u's ptr_v.
*/
typedef struct _u3_chan {
struct _u3_moat mot_u; // inbound message stream
struct _u3_moor mor_u; // message handler
c3_w coq_l; // connection number
struct _u3_shan* san_u; // server backpointer
struct _u3_chan* nex_u; // next in list
} u3_chan;
/* u3_shan: control plane server.
@ -38,18 +38,6 @@
static const c3_c URB_SOCK_PATH[] = ".urb/khan.sock";
/* _khan_alloc(): libuv-style allocator.
*/
static void
_khan_alloc(uv_handle_t* had_u,
size_t len_i,
uv_buf_t* buf_u)
{
void* ptr_v = c3_malloc(len_i);
*buf_u = uv_buf_init(ptr_v, len_i);
}
/* _khan_close_cb(): socket close callback.
*/
static void
@ -105,6 +93,18 @@ _khan_read_cb(uv_stream_t* cli_u, ssize_t red_i, const uv_buf_t* buf_u)
// socket, keeping one in text mode, and sending a 0x80 over the other.
}
static void
_khan_moor_poke(void* ptr_v, c3_d len_d, c3_y* byt_y)
{
u3l_log("khan: poke called %p %" PRIu64 " %s\n", ptr_v, len_d, byt_y);
}
static void
_khan_moor_bail(void* ptr_v, ssize_t err_i, const c3_c* err_c)
{
u3l_log("khan: bail called %p %zd %s\n", ptr_v, err_i, err_c);
}
/* _khan_conn_cb(): socket connection callback.
*/
static void
@ -116,25 +116,20 @@ _khan_conn_cb(uv_stream_t* sem_u, c3_i tas_i)
c3_i err_i;
can_u = c3_calloc(sizeof(u3_chan));
can_u->mor_u.ptr_v = can_u;
can_u->mor_u.pok_f = _khan_moor_poke;
can_u->mor_u.bal_f = _khan_moor_bail;
// XX maybe want mug(now) or something
can_u->coq_l = ( san_u->can_u ) ? 1 + san_u->can_u->coq_l : 0;
can_u->san_u = san_u;
if ( 0 != (err_i = uv_pipe_init(u3L, &can_u->mot_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->mot_u.pyp_u)) ) {
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->mot_u.pyp_u,
_khan_alloc, _khan_read_cb)) ) {
u3l_log("khan: uv_read_start: %s\n", uv_strerror(err_i));
uv_close((uv_handle_t*)&can_u->mot_u.pyp_u, _khan_close_cb);
u3_king_bail();
}
can_u->nex_u = san_u->can_u;
err_i = uv_timer_init(u3L, &can_u->mor_u.tim_u);
c3_assert(!err_i);
err_i = uv_pipe_init(u3L, &can_u->mor_u.pyp_u, 0);
c3_assert(!err_i);
err_i = uv_accept(sem_u, (uv_stream_t*)&can_u->mor_u.pyp_u);
c3_assert(!err_i);
u3_newt_read_sync((u3_moat*)&can_u->mor_u);
can_u->mor_u.nex_u = (u3_moor*)san_u->can_u;
san_u->can_u = can_u;
}
@ -266,16 +261,10 @@ _khan_io_kick(u3_auto* car_u, u3_noun wir, u3_noun cad)
return ret_o;
}
/* _khan_shutdown_cb(): close handle.
*/
static void
_khan_shutdown_cb(uv_shutdown_t* req_u, c3_i sas_i)
_khan_moat_free(void* ptr_v, ssize_t err_i, const c3_c* err_c)
{
if ( sas_i < 0 ) {
u3l_log("khan: shutdown: %s\n", uv_strerror(sas_i));
}
uv_close((uv_handle_t*)req_u->handle, _khan_close_cb);
c3_free(req_u);
c3_free(ptr_v);
}
/* _khan_io_exit(): unlink socket, shut down connections.
@ -304,17 +293,12 @@ _khan_io_exit(u3_auto* car_u)
{
u3_shan* san_u = kan_u->san_u;
u3_chan* can_u = san_u->can_u;
uv_shutdown_t* req_u;
c3_i err_i;
u3_chan* nex_u;
while ( can_u ) {
req_u = c3_malloc(sizeof(*req_u));
if ( 0 != (err_i = uv_shutdown(req_u, (uv_stream_t*)&can_u->mot_u.pyp_u,
_khan_shutdown_cb)) ) {
u3l_log("khan: shutdown chan %p: %s\n", can_u, uv_strerror(err_i));
// XX what to do?
}
can_u = can_u->nex_u;
nex_u = (u3_chan*)can_u->mor_u.nex_u;
u3_newt_moat_stop((u3_moat*)&can_u->mor_u, _khan_moat_free);
can_u = nex_u;
}
uv_close((uv_handle_t*)&san_u->pyp_u, _khan_close_cb);
}