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BUG/MINOR: tcp-check: report the correct failed step in the status

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The step number was reported by checking only last_started_step, which
was not set in case of error during the initial connection phase, and
caused "step 1" to be returned with an invalid check type (typically
SEND). So now we first verify that a test was started before returning
this.

In addition to this, the indication of the test type was taken from
current_step instead of last_started_step, so the error description
was matching the next action instead of the one reported in the step
ID. Thus we could get the confusing "step 1 (send)" report below :

      tcp-check connect
      tcp-check send foo

In order to ease debugging, when the port number is known for a connect,
it is indicated in the error report.

Note that this only affects asynchronous error messages, synchronous ones
are correct.

This fix must be backported to 1.5.
This commit is contained in:
Willy Tarreau 2014-10-02 14:51:02 +02:00
parent ef953953e7
commit 213c678561
1 changed files with 28 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/checks.c
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@ -586,6 +586,7 @@ static void chk_report_conn_err(struct connection *conn, int errno_bck, int expi
struct check *check = conn->owner;
const char *err_msg;
struct chunk *chk;
int step;
if (check->result != CHK_RES_UNKNOWN)
return;
@ -605,19 +606,27 @@ static void chk_report_conn_err(struct connection *conn, int errno_bck, int expi
chk = get_trash_chunk();
if (check->type == PR_O2_TCPCHK_CHK) {
chunk_printf(chk, " at step %d of tcp-check", tcpcheck_get_step_id(check->server));
/* we were looking for a string */
if (check->current_step && check->current_step->action == TCPCHK_ACT_CONNECT) {
chunk_appendf(chk, " (connect)");
}
else if (check->current_step && check->current_step->action == TCPCHK_ACT_EXPECT) {
if (check->current_step->string)
chunk_appendf(chk, " (string '%s')", check->current_step->string);
else if (check->current_step->expect_regex)
chunk_appendf(chk, " (expect regex)");
}
else if (check->current_step && check->current_step->action == TCPCHK_ACT_SEND) {
chunk_appendf(chk, " (send)");
step = tcpcheck_get_step_id(check->server);
if (!step)
chunk_printf(chk, " at initial connection step of tcp-check");
else {
chunk_printf(chk, " at step %d of tcp-check", step);
/* we were looking for a string */
if (check->last_started_step && check->last_started_step->action == TCPCHK_ACT_CONNECT) {
if (check->last_started_step->port)
chunk_appendf(chk, " (connect port %d)" ,check->last_started_step->port);
else
chunk_appendf(chk, " (connect)");
}
else if (check->last_started_step && check->last_started_step->action == TCPCHK_ACT_EXPECT) {
if (check->last_started_step->string)
chunk_appendf(chk, " (string '%s')", check->last_started_step->string);
else if (check->last_started_step->expect_regex)
chunk_appendf(chk, " (expect regex)");
}
else if (check->last_started_step && check->last_started_step->action == TCPCHK_ACT_SEND) {
chunk_appendf(chk, " (send)");
}
}
}
@ -2268,6 +2277,10 @@ static int tcpcheck_get_step_id(struct server *s)
struct tcpcheck_rule *cur = NULL, *next = NULL;
int i = 0;
/* not even started anything yet => step 0 = initial connect */
if (!s->check.current_step)
return 0;
cur = s->check.last_started_step;
/* no step => first step */
@ -2337,9 +2350,9 @@ static void tcpcheck_main(struct connection *conn)
goto out_end_tcpcheck;
}
/* no step means first step
* initialisation */
/* no step means first step initialisation */
if (check->current_step == NULL) {
check->last_started_step = NULL;
check->bo->p = check->bo->data;
check->bo->o = 0;
check->bi->p = check->bi->data;