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adds an http request timer to ensure connections are always closed

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This commit is contained in:
Joe Bryan 2018-07-17 12:55:16 -04:00
parent 7260138567
commit 123a9c7289
2 changed files with 32 additions and 0 deletions
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1
include/vere/vere.h
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@ -50,6 +50,7 @@
h2o_req_t* rec_u; // h2o request
c3_w seq_l; // sequence within connection
u3_rsat sat_e; // request state
uv_timer_t* tim_u; // timeout
struct _u3_hcon* hon_u; // connection backlink
struct _u3_hreq* nex_u; // next in connection's list
} u3_hreq;

31
vere/http.c
View File

@ -221,6 +221,11 @@ _http_req_unlink(u3_hreq* req_u)
static void
_http_req_free(u3_hreq* req_u)
{
if ( 0 != req_u->tim_u ) {
uv_close((uv_handle_t*)req_u->tim_u, (uv_close_cb)free);
req_u->tim_u = 0;
}
_http_req_unlink(req_u);
free(req_u);
}
@ -233,6 +238,8 @@ _http_req_new(u3_hcon* hon_u, h2o_req_t* rec_u)
u3_hreq* req_u = c3_malloc(sizeof(*req_u));
req_u->rec_u = rec_u;
req_u->sat_e = u3_rsat_init;
req_u->tim_u = 0;
_http_req_link(hon_u, req_u);
return req_u;
@ -259,6 +266,22 @@ _http_req_kill(u3_hreq* req_u)
u3v_plan(pox, u3nc(c3__thud, u3_nul));
}
/* _http_req_timer_cb(): request timeout callback
*/
static void
_http_req_timer_cb(uv_timer_t* tim_u)
{
u3_hreq* req_u = tim_u->data;
if ( u3_rsat_plan == req_u->sat_e ) {
_http_req_kill(req_u);
req_u->sat_e = u3_rsat_ripe;
c3_c* msg_c = "gateway timeout";
h2o_send_error_generic(req_u->rec_u, 504, msg_c, msg_c, 0);
}
}
/* _http_req_dispatch(): dispatch http request to %eyre
*/
static void
@ -309,6 +332,8 @@ _http_req_respond(u3_hreq* req_u, u3_noun sas, u3_noun hed, u3_noun bod)
req_u->sat_e = u3_rsat_ripe;
uv_timer_stop(req_u->tim_u);
h2o_req_t* rec_u = req_u->rec_u;
rec_u->res.status = sas;
@ -411,6 +436,12 @@ _http_rec_accept(h2o_handler_t* han_u, h2o_req_t* rec_u)
c3_assert(hon_u->sok_u == &noc_u->suv_u->sok_u);
u3_hreq* req_u = _http_req_new(hon_u, rec_u);
req_u->tim_u = c3_malloc(sizeof(*req_u->tim_u));
req_u->tim_u->data = req_u;
uv_timer_init(u3L, req_u->tim_u);
uv_timer_start(req_u->tim_u, _http_req_timer_cb, 30 * 1000, 0);
_http_req_dispatch(req_u, req);
}