goto out_close;
}
- LIST_ADDQ(&sessions, &s->list);
- LIST_INIT(&s->back_refs);
-
+ /* minimum session initialization required for monitor mode below */
s->flags = 0;
- s->term_trace = 0;
- s->cli_addr = *addr;
+ s->logs.logwait = p->to_log;
/* if this session comes from a known monitoring system, we want to ignore
- * it as soon as possible, which means closing it immediately for TCP.
+ * it as soon as possible, which means closing it immediately for TCP, but
+ * cleanly.
*/
if (unlikely((l->options & LI_O_CHK_MONNET) &&
addr->ss_family == AF_INET &&
return 0;
}
s->flags |= SN_MONITOR;
+ s->logs.logwait = 0;
}
+ /* OK, we're keeping the session, so let's properly initialize the session */
+ LIST_ADDQ(&sessions, &s->list);
+ LIST_INIT(&s->back_refs);
+
if (unlikely((t = task_new()) == NULL)) { /* disable this proxy for a while */
Alert("out of memory in event_accept().\n");
goto out_free_session;
}
+ s->term_trace = 0;
+ s->cli_addr = *addr;
+ s->logs.accept_date = date; /* user-visible date for logging */
+ s->logs.tv_accept = now; /* corrected date for internal use */
+ s->uniq_id = totalconn;
+ proxy_inc_fe_ctr(l, p); /* note: cum_beconn will be increased once assigned */
+
t->process = l->handler;
t->context = s;
t->nice = l->nice;
+ t->expire = TICK_ETERNITY;
s->task = t;
s->listener = l;
* This changes later when switching rules are executed or
* when the default backend is assigned.
*/
- s->be = s->fe = p;
-
+ s->be = s->fe = p;
s->req = s->rep = NULL; /* will be allocated later */
- /* this part should be common with other protocols */
- s->si[0].state = s->si[0].prev_state = SI_ST_EST;
- s->si[0].err_type = SI_ET_NONE;
- s->si[0].err_loc = NULL;
- s->si[0].owner = t;
- s->si[0].update = stream_sock_data_finish;
- s->si[0].shutr = stream_sock_shutr;
- s->si[0].shutw = stream_sock_shutw;
- s->si[0].chk_rcv = stream_sock_chk_rcv;
- s->si[0].chk_snd = stream_sock_chk_snd;
- s->si[0].connect = NULL;
- s->si[0].iohandler = NULL;
- s->si[0].fd = cfd;
- s->si[0].flags = SI_FL_NONE | SI_FL_CAP_SPLTCP; /* TCP splicing capable */
- if (likely(s->fe->options2 & PR_O2_INDEPSTR))
- s->si[0].flags |= SI_FL_INDEP_STR;
- s->si[0].exp = TICK_ETERNITY;
-
- s->logs.accept_date = date; /* user-visible date for logging */
- s->logs.tv_accept = now; /* corrected date for internal use */
- s->uniq_id = totalconn;
- proxy_inc_fe_ctr(l, p); /* note: cum_beconn will be increased once assigned */
-
- /* now evaluate the tcp-request rules */
+ /* now evaluate the tcp-request layer4 rules. Since we expect to be able
+ * to abort right here as soon as possible, we check the rules before
+ * even initializing the stream interfaces.
+ */
if ((l->options & LI_O_TCP_RULES) && !tcp_exec_req_rules(s)) {
task_free(t);
LIST_DEL(&s->list);
return 0;
}
- /* pre-initialize the other side's stream interface to an INIT state */
- s->si[1].owner = t;
- s->si[1].state = s->si[1].prev_state = SI_ST_INI;
- s->si[1].err_type = SI_ET_NONE;
- s->si[1].err_loc = NULL;
+ /* this part should be common with other protocols */
+ s->si[0].fd = cfd;
+ s->si[0].owner = t;
+ s->si[0].state = s->si[0].prev_state = SI_ST_EST;
+ s->si[0].err_type = SI_ET_NONE;
+ s->si[0].err_loc = NULL;
+ s->si[0].connect = NULL;
+ s->si[0].iohandler = NULL;
+ s->si[0].exp = TICK_ETERNITY;
+ s->si[0].flags = SI_FL_NONE;
+
+ if (likely(s->fe->options2 & PR_O2_INDEPSTR))
+ s->si[0].flags |= SI_FL_INDEP_STR;
+
+ if (addr->ss_family == AF_INET || addr->ss_family == AF_INET6)
+ s->si[0].flags = SI_FL_CAP_SPLTCP; /* TCP/TCPv6 splicing possible */
+
+ /* add the various callbacks */
+ stream_sock_prepare_interface(&s->si[0]);
+
+ /* pre-initialize the other side's stream interface to an INIT state. The
+ * callbacks will be initialized before attempting to connect.
+ */
+ s->si[1].fd = -1; /* just to help with debugging */
+ s->si[1].owner = t;
+ s->si[1].state = s->si[1].prev_state = SI_ST_INI;
+ s->si[1].err_type = SI_ET_NONE;
+ s->si[1].err_loc = NULL;
+ s->si[1].connect = NULL;
s->si[1].iohandler = NULL;
- s->si[1].exp = TICK_ETERNITY;
- s->si[1].fd = -1; /* just to help with debugging */
+ s->si[1].shutr = stream_int_shutr;
+ s->si[1].shutw = stream_int_shutw;
+ s->si[1].exp = TICK_ETERNITY;
+ s->si[1].flags = SI_FL_NONE;
- s->si[1].flags = SI_FL_NONE;
if (likely(s->fe->options2 & PR_O2_INDEPSTR))
s->si[1].flags |= SI_FL_INDEP_STR;
/* init store persistence */
s->store_count = 0;
- /* FIXME: the logs are horribly complicated now, because they are
- * defined in <p>, <p>, and later <be> and <be>.
+ /* Adjust some socket options */
+ if (unlikely(fcntl(cfd, F_SETFL, O_NONBLOCK) == -1)) {
+ Alert("accept(): cannot set the socket in non blocking mode. Giving up\n");
+ goto out_free_task;
+ }
+
+ txn = &s->txn;
+ /* Those variables will be checked and freed if non-NULL in
+ * session.c:session_free(). It is important that they are
+ * properly initialized.
*/
+ txn->sessid = NULL;
+ txn->srv_cookie = NULL;
+ txn->cli_cookie = NULL;
+ txn->uri = NULL;
+ txn->req.cap = NULL;
+ txn->rsp.cap = NULL;
+ txn->hdr_idx.v = NULL;
+ txn->hdr_idx.size = txn->hdr_idx.used = 0;
- if (s->flags & SN_MONITOR)
- s->logs.logwait = 0;
- else
- s->logs.logwait = p->to_log;
+ if (unlikely((s->req = pool_alloc2(pool2_buffer)) == NULL))
+ goto out_free_task; /* no memory */
- if (s->logs.logwait & LW_REQ)
- s->do_log = http_sess_log;
- else
- s->do_log = tcp_sess_log;
+ if (unlikely((s->rep = pool_alloc2(pool2_buffer)) == NULL))
+ goto out_free_req; /* no memory */
- /* default error reporting function, may be changed by analysers */
- s->srv_error = default_srv_error;
+ /* initialize the request buffer */
+ s->req->size = global.tune.bufsize;
+ buffer_init(s->req);
+ s->req->prod = &s->si[0];
+ s->req->cons = &s->si[1];
+ s->si[0].ib = s->si[1].ob = s->req;
+ s->req->flags |= BF_READ_ATTACHED; /* the producer is already connected */
+
+ /* activate default analysers enabled for this listener */
+ s->req->analysers = l->analysers;
+
+ s->req->wto = TICK_ETERNITY;
+ s->req->rto = TICK_ETERNITY;
+ s->req->rex = TICK_ETERNITY;
+ s->req->wex = TICK_ETERNITY;
+ s->req->analyse_exp = TICK_ETERNITY;
+
+ /* initialize response buffer */
+ s->rep->size = global.tune.bufsize;
+ buffer_init(s->rep);
+ s->rep->prod = &s->si[1];
+ s->rep->cons = &s->si[0];
+ s->si[0].ob = s->si[1].ib = s->rep;
+ s->rep->analysers = 0;
+
+ s->rep->rto = TICK_ETERNITY;
+ s->rep->wto = TICK_ETERNITY;
+ s->rep->rex = TICK_ETERNITY;
+ s->rep->wex = TICK_ETERNITY;
+ s->rep->analyse_exp = TICK_ETERNITY;
+
+ /* finish initialization of the accepted file descriptor */
+ fd_insert(cfd);
+ fdtab[cfd].owner = &s->si[0];
+ fdtab[cfd].state = FD_STREADY;
+ fdtab[cfd].flags = 0;
+ fdtab[cfd].cb[DIR_RD].f = l->proto->read;
+ fdtab[cfd].cb[DIR_RD].b = s->req;
+ fdtab[cfd].cb[DIR_WR].f = l->proto->write;
+ fdtab[cfd].cb[DIR_WR].b = s->rep;
+ fdinfo[cfd].peeraddr = (struct sockaddr *)&s->cli_addr;
+ fdinfo[cfd].peerlen = sizeof(s->cli_addr);
+ EV_FD_SET(cfd, DIR_RD);
+
+ /***************** to be moved to the TCP/HTTP frontend's accept() **************/
tv_zero(&s->logs.tv_request);
s->logs.t_queue = -1;
s->logs.prx_queue_size = 0; /* we get the number of pending conns before us */
s->logs.srv_queue_size = 0; /* we will get this number soon */
+ s->data_state = DATA_ST_INIT;
s->data_source = DATA_SRC_NONE;
- txn = &s->txn;
- /* Those variables will be checked and freed if non-NULL in
- * session.c:session_free(). It is important that they are
- * properly initialized.
+ /* FIXME: the logs are horribly complicated now, because they are
+ * defined in <p>, <p>, and later <be> and <be>.
*/
- txn->sessid = NULL;
- txn->srv_cookie = NULL;
- txn->cli_cookie = NULL;
- txn->uri = NULL;
- txn->req.cap = NULL;
- txn->rsp.cap = NULL;
- txn->hdr_idx.v = NULL;
- txn->hdr_idx.size = txn->hdr_idx.used = 0;
+ if (s->logs.logwait & LW_REQ)
+ s->do_log = http_sess_log;
+ else
+ s->do_log = tcp_sess_log;
+
+ /* default error reporting function, may be changed by analysers */
+ s->srv_error = default_srv_error;
/* Adjust some socket options */
- if (unlikely(fcntl(cfd, F_SETFL, O_NONBLOCK) == -1 ||
- setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY,
- (char *) &one, sizeof(one)) == -1)) {
+ if (unlikely(setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY, (char *) &one, sizeof(one)) == -1)) {
Alert("accept(): cannot set the socket in non blocking mode. Giving up\n");
- goto out_free_task;
+ goto out_delete_cfd;
}
if (p->options & PR_O_TCP_CLI_KA)
/* the captures are only used in HTTP frontends */
if (unlikely(p->nb_req_cap > 0 &&
(txn->req.cap = pool_alloc2(p->req_cap_pool)) == NULL))
- goto out_fail_reqcap; /* no memory */
+ goto out_delete_cfd; /* no memory */
if (unlikely(p->nb_rsp_cap > 0 &&
(txn->rsp.cap = pool_alloc2(p->rsp_cap_pool)) == NULL))
- goto out_fail_rspcap; /* no memory */
+ goto out_free_reqcap; /* no memory */
}
if (p->acl_requires & ACL_USE_L7_ANY) {
txn->hdr_idx.size = MAX_HTTP_HDR;
if (unlikely((txn->hdr_idx.v = pool_alloc2(p->hdr_idx_pool)) == NULL))
- goto out_fail_idx; /* no memory */
+ goto out_free_rspcap; /* no memory */
/* and now initialize the HTTP transaction state */
http_init_txn(s);
write(1, trash, len);
}
- if (unlikely((s->req = pool_alloc2(pool2_buffer)) == NULL))
- goto out_fail_req; /* no memory */
-
- s->req->size = global.tune.bufsize;
- buffer_init(s->req);
- s->req->prod = &s->si[0];
- s->req->cons = &s->si[1];
- s->si[0].ib = s->si[1].ob = s->req;
-
- s->req->flags |= BF_READ_ATTACHED; /* the producer is already connected */
-
if (p->mode == PR_MODE_HTTP)
s->req->flags |= BF_READ_DONTWAIT; /* one read is usually enough */
- /* activate default analysers enabled for this listener */
- s->req->analysers = l->analysers;
-
/* note: this should not happen anymore since there's always at least the switching rules */
if (!s->req->analysers) {
buffer_auto_connect(s->req); /* don't wait to establish connection */
}
s->req->rto = s->fe->timeout.client;
- s->req->wto = TICK_ETERNITY;
-
- if (unlikely((s->rep = pool_alloc2(pool2_buffer)) == NULL))
- goto out_fail_rep; /* no memory */
-
- s->rep->size = global.tune.bufsize;
- buffer_init(s->rep);
- s->rep->prod = &s->si[1];
- s->rep->cons = &s->si[0];
- s->si[0].ob = s->si[1].ib = s->rep;
- s->rep->analysers = 0;
-
- s->rep->rto = TICK_ETERNITY;
s->rep->wto = s->fe->timeout.client;
- s->req->rex = TICK_ETERNITY;
- s->req->wex = TICK_ETERNITY;
- s->req->analyse_exp = TICK_ETERNITY;
- s->rep->rex = TICK_ETERNITY;
- s->rep->wex = TICK_ETERNITY;
- s->rep->analyse_exp = TICK_ETERNITY;
- t->expire = TICK_ETERNITY;
-
- fd_insert(cfd);
- fdtab[cfd].owner = &s->si[0];
- fdtab[cfd].state = FD_STREADY;
fdtab[cfd].flags = FD_FL_TCP | FD_FL_TCP_NODELAY;
if (p->options & PR_O_TCP_NOLING)
fdtab[cfd].flags |= FD_FL_TCP_NOLING;
- fdtab[cfd].cb[DIR_RD].f = l->proto->read;
- fdtab[cfd].cb[DIR_RD].b = s->req;
- fdtab[cfd].cb[DIR_WR].f = l->proto->write;
- fdtab[cfd].cb[DIR_WR].b = s->rep;
- fdinfo[cfd].peeraddr = (struct sockaddr *)&s->cli_addr;
- fdinfo[cfd].peerlen = sizeof(s->cli_addr);
-
if (unlikely((p->mode == PR_MODE_HTTP && (s->flags & SN_MONITOR)) ||
(p->mode == PR_MODE_HEALTH && (p->options & PR_O_HTTP_CHK)))) {
/* Either we got a request from a monitoring system on an HTTP instance,
stream_int_retnclose(&s->si[0], &msg); /* forge a 200 response */
s->req->analysers = 0;
t->expire = s->rep->wex;
+ EV_FD_CLR(cfd, DIR_RD);
}
else if (unlikely(p->mode == PR_MODE_HEALTH)) { /* health check mode, no client reading */
struct chunk msg;
stream_int_retnclose(&s->si[0], &msg); /* forge an "OK" response */
s->req->analysers = 0;
t->expire = s->rep->wex;
+ EV_FD_CLR(cfd, DIR_RD);
}
- else {
- EV_FD_SET(cfd, DIR_RD);
- }
+
+ /**********************************************/
/* it is important not to call the wakeup function directly but to
* pass through task_wakeup(), because this one knows how to apply
return 1;
/* Error unrolling */
- out_fail_rep:
- pool_free2(pool2_buffer, s->req);
- out_fail_req:
- pool_free2(p->hdr_idx_pool, txn->hdr_idx.v);
- out_fail_idx:
+ out_free_rspcap:
pool_free2(p->rsp_cap_pool, txn->rsp.cap);
- out_fail_rspcap:
+ out_free_reqcap:
pool_free2(p->req_cap_pool, txn->req.cap);
- out_fail_reqcap:
+ out_delete_cfd:
+ fd_delete(cfd);
+ pool_free2(pool2_buffer, s->rep);
+ out_free_req:
+ pool_free2(pool2_buffer, s->req);
out_free_task:
task_free(t);
out_free_session:
projects / thirdparty / haproxy.git / commitdiff
