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[MEDIUM] logs now show the time spent in the queue and the number of sessions 

already waiting at accept() time. This number of session is global per instance
so it does not reflect one particular server.
This commit is contained in:
willy tarreau 2006-05-02 22:54:52 +02:00
parent 5e698ef509
commit f32f52404b
1 changed files with 22 additions and 9 deletions
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31
haproxy.c
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@ -587,9 +587,11 @@ struct session {
int logwait; /* log fields waiting to be collected : LW_* */
struct timeval tv_accept; /* date of the accept() (beginning of the session) */
long t_request; /* delay before the end of the request arrives, -1 if never occurs */
long t_queue; /* delay before the session gets out of the connect queue, -1 if never occurs */
long t_connect; /* delay before the connect() to the server succeeds, -1 if never occurs */
long t_data; /* delay before the first data byte from the server ... */
unsigned long t_close; /* total session duration */
unsigned long queue_size; /* overall number of sessions waiting for a connect slot on this instance at accept() time */
char *uri; /* first line if log needed, NULL otherwise */
char *cli_cookie; /* cookie presented by the client, in capture mode */
char *srv_cookie; /* cookie presented by the server, in capture mode */
@ -604,8 +606,7 @@ struct listener {
struct sockaddr_storage addr; /* the address we listen to */
struct listener *next; /* next address or NULL */
};
struct proxy {
struct listener *listen; /* the listen addresses and sockets */
struct in_addr mon_net, mon_mask; /* don't forward connections from this net (network order) FIXME: should support IPv6 */
@ -633,6 +634,7 @@ struct proxy {
char *id; /* proxy id */
struct list pendconns; /* pending connections with no server assigned yet */
int nbpend; /* number of pending connections with no server assigned yet */
int totpend; /* total number of pending connections on this instance (for stats) */
int nbconn; /* # of active sessions */
unsigned int cum_conn; /* cumulated number of processed sessions */
int maxconn; /* max # of active sessions */
@ -1833,6 +1835,7 @@ static void pendconn_free(struct pendconn *p) {
p->srv->nbpend--;
else
p->sess->proxy->nbpend--;
p->sess->proxy->totpend--;
pool_free(pendconn, p);
}
@ -1910,6 +1913,7 @@ static struct pendconn *pendconn_add(struct session *sess) {
LIST_ADDQ(&sess->proxy->pendconns, &p->list);
sess->proxy->nbpend++;
}
sess->proxy->totpend++;
return p;
}
@ -2969,7 +2973,7 @@ void sess_log(struct session *s) {
}
*h = '\0';
send_log(p, LOG_INFO, "%s:%d [%02d/%s/%04d:%02d:%02d:%02d] %s %s %d/%d/%d/%s%d %d %s%lld %s %s %c%c%c%c %d/%d/%d%s\n",
send_log(p, LOG_INFO, "%s:%d [%02d/%s/%04d:%02d:%02d:%02d] %s %s %d/%d/%d/%d/%s%d %d %s%lld %s %s %c%c%c%c %d/%d/%d/%d%s\n",
pn,
(s->cli_addr.ss_family == AF_INET) ?
ntohs(((struct sockaddr_in *)&s->cli_addr)->sin_port) :
@ -2978,7 +2982,8 @@ void sess_log(struct session *s) {
tm->tm_hour, tm->tm_min, tm->tm_sec,
pxid, srv,
s->logs.t_request,
(s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_request : -1,
(s->logs.t_queue >= 0) ? s->logs.t_queue - s->logs.t_request : -1,
(s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1,
(s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1,
(p->to_log & LW_BYTES) ? "" : "+", s->logs.t_close,
s->logs.status,
@ -2989,10 +2994,11 @@ void sess_log(struct session *s) {
sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT],
(p->options & PR_O_COOK_ANY) ? sess_cookie[(s->flags & SN_CK_MASK) >> SN_CK_SHIFT] : '-',
(p->options & PR_O_COOK_ANY) ? sess_set_cookie[(s->flags & SN_SCK_MASK) >> SN_SCK_SHIFT] : '-',
s->srv ? s->srv->cur_sess : 0, p->nbconn, actconn, tmpline);
s->srv ? s->srv->cur_sess : 0, s->logs.queue_size,
p->nbconn, actconn, tmpline);
}
else {
send_log(p, LOG_INFO, "%s:%d [%02d/%s/%04d:%02d:%02d:%02d] %s %s %d/%s%d %s%lld %c%c %d/%d/%d\n",
send_log(p, LOG_INFO, "%s:%d [%02d/%s/%04d:%02d:%02d:%02d] %s %s %d/%s%d %s%lld %c%c %d/%d/%d/%d\n",
pn,
(s->cli_addr.ss_family == AF_INET) ?
ntohs(((struct sockaddr_in *)&s->cli_addr)->sin_port) :
@ -3005,7 +3011,8 @@ void sess_log(struct session *s) {
(p->to_log & LW_BYTES) ? "" : "+", s->logs.bytes,
sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT],
sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT],
s->srv ? s->srv->cur_sess : 0, p->nbconn, actconn);
s->srv ? s->srv->cur_sess : 0, s->logs.queue_size,
p->nbconn, actconn);
}
s->logs.logwait = 0;
@ -3139,6 +3146,7 @@ int event_accept(int fd) {
s->logs.tv_accept = now;
s->logs.t_request = -1;
s->logs.t_queue = -1;
s->logs.t_connect = -1;
s->logs.t_data = -1;
s->logs.t_close = 0;
@ -3147,6 +3155,7 @@ int event_accept(int fd) {
s->logs.srv_cookie = NULL;
s->logs.status = -1;
s->logs.bytes = 0;
s->logs.queue_size = p->totpend; /* we get the number of pending conns before us */
s->uniq_id = totalconn;
p->cum_conn++;
@ -4709,8 +4718,10 @@ int process_srv(struct session *t) {
/* try to (re-)connect to the server, and fail if we expire the
* number of retries.
*/
if (srv_retryable_connect(t))
if (srv_retryable_connect(t)) {
t->logs.t_queue = tv_diff(&t->logs.tv_accept, &now);
return t->srv_state != SV_STIDLE;
}
} while (1);
}
@ -4743,8 +4754,10 @@ int process_srv(struct session *t) {
* because all servers are saturated, then we will go back to
* the SV_STIDLE state.
*/
if (srv_retryable_connect(t))
if (srv_retryable_connect(t)) {
t->logs.t_queue = tv_diff(&t->logs.tv_accept, &now);
return t->srv_state != SV_STCONN;
}
/* we need to redispatch the connection to another server */
if (srv_redispatch_connect(t))