[MEDIUM] Collect & show information about last health check, v3
Collect information about last health check result,
including L7 code if possible (for example http or smtp
return code) and time took to finish last check.
Health check info is provided on both stats pages (html & csv)
and logged when a server is marked UP or DOWN. Currently active
check are marked with an asterisk, but only in html mode.
Currently there are 14 status codes:
UNK -> unknown
INI -> initializing
SOCKERR -> socket error
L4OK -> check passed on layer 4, no upper layers testing enabled
L4TOUT -> layer 1-4 timeout
L4CON -> layer 1-4 connection problem, for example "Connection refused"
(tcp rst) or "No route to host" (icmp)
L6OK -> check passed on layer 6
L6TOUT -> layer 6 (SSL) timeout
L6RSP -> layer 6 invalid response - protocol error
L7OK -> check passed on layer 7
L7OKC -> check conditionally passed on layer 7, for example
404 with disable-on-404
L7TOUT -> layer 7 (HTTP/SMTP) timeout
L7RSP -> layer 7 invalid response - protocol error
L7STS -> layer 7 response error, for example HTTP 5xx
diff --git a/include/proto/checks.h b/include/proto/checks.h
index 6f0aa8b..bd70164 100644
--- a/include/proto/checks.h
+++ b/include/proto/checks.h
@@ -25,6 +25,8 @@
#include <types/task.h>
#include <common/config.h>
+const char *get_check_status_description(short check_status);
+const char *get_check_status_info(short check_status);
struct task *process_chk(struct task *t);
int start_checks();