From 719e726c97373e5944ec5b819a09b9e5eef6c708 Mon Sep 17 00:00:00 2001
From: Krzysztof Piotr Oledzki <ole@ans.pl>
Date: Sun, 4 Oct 2009 15:02:46 +0200
Subject: [PATCH] [MINOR] Add "clear counters" to clear statistics counters

Now, when statistics counters are moved to separate
structures, adding "clear counters" is extremely easy.

[wt: updated the help message]
---
 doc/configuration.txt |  4 ++++
 src/dumpstats.c       | 39 +++++++++++++++++++++++++++++----------
 2 files changed, 33 insertions(+), 10 deletions(-)

diff --git a/doc/configuration.txt b/doc/configuration.txt
index 254382bba2..cd3d17b34d 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -6724,6 +6724,10 @@ show stat [<iid> <type> <sid>]
     A similar empty line appears at the end of the second block (stats) so that
     the reader knows the output has not been trucated.
 
+clear counters
+  Clear statistics counters in each proxy (frontend & backend) and in each
+  server.
+
 /*
  * Local variables:
  *  fill-column: 79
diff --git a/src/dumpstats.c b/src/dumpstats.c
index 41b2dd3289..777b9fc19b 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -53,14 +53,15 @@
 #include <proto/task.h>
 
 const char stats_sock_usage_msg[] =
-        "Unknown command. Please enter one of the following commands only :\n"
-        "  help        : this message\n"
-        "  prompt      : toggle interactive mode with prompt\n"
-        "  quit        : disconnect\n"
-        "  show info   : report information about the running process\n"
-        "  show stat   : report counters for each proxy and server\n"
-        "  show errors : report last request and response errors for each proxy\n"
-        "  show sess   : report the list of current sessions\n"
+	"Unknown command. Please enter one of the following commands only :\n"
+	"  clear counters : clear statistics counters\n"
+	"  help           : this message\n"
+	"  prompt         : toggle interactive mode with prompt\n"
+	"  quit           : disconnect\n"
+	"  show info      : report information about the running process\n"
+	"  show stat      : report counters for each proxy and server\n"
+	"  show errors    : report last request and response errors for each proxy\n"
+	"  show sess      : report the list of current sessions\n"
 	"";
 
 const struct chunk stats_sock_usage = {
@@ -299,11 +300,29 @@ int stats_sock_parse_request(struct stream_interface *si, char *line)
 			s->data_state = DATA_ST_INIT;
 			si->st0 = STAT_CLI_O_ERR; // stats_dump_errors_to_buffer
 		}
-		else { /* neither "stat" nor "info" nor "sess" */
+		else { /* neither "stat" nor "info" nor "sess" nor "errors"*/
 			return 0;
 		}
 	}
-	else { /* not "show" */
+	else if (strcmp(args[0], "clear") == 0) {
+		if (strcmp(args[1], "counters") == 0) {
+			struct proxy *px;
+			struct server *sv;
+
+			for (px = proxy; px; px = px->next) {
+				memset(&px->counters, 0, sizeof(px->counters));
+
+				for (sv = px->srv; sv; sv = sv->next)
+					memset(&sv->counters, 0, sizeof(sv->counters));
+			}
+
+			return 1;
+		}
+		else {
+			return 0;
+		}
+	}
+	else { /* not "show" nor "clear"*/
 		return 0;
 	}
 	return 1;