Add a "resetcounters" command to ipsec, clearing global or connection counters

src/stroke/stroke.c

@@ -364,13 +364,15 @@ static int user_credentials(char *name, char *user, char *pass)
 	return send_stroke_msg(&msg);
 }
 
-static int counters(char *name)
+static int counters(int reset, char *name)
 {
 	stroke_msg_t msg;
 
 	msg.type = STR_COUNTERS;
 	msg.length = offsetof(stroke_msg_t, buffer);
 	msg.counters.name = push_string(&msg, name);
+	msg.counters.reset = reset;
+
 	return send_stroke_msg(&msg);
 }
 
@@ -605,14 +607,9 @@ int main(int argc, char *argv[])
 			res = user_credentials(argv[2], argv[3], argc > 4 ? argv[4] : NULL);
 			break;
 		case STROKE_COUNTERS:
-			if (argc > 2)
-			{
-				res = counters(argv[2]);
-			}
-			else
-			{
-				res = counters(NULL);
-			}
+		case STROKE_COUNTERS_RESET:
+			res = counters(token->kw == STROKE_COUNTERS_RESET,
+						   argc > 2 ? argv[2] : NULL);
 			break;
 		default:
 			exit_usage(NULL);

src/stroke/stroke_keywords.h

@@ -59,6 +59,7 @@ typedef enum {
 	STROKE_MEMUSAGE,
 	STROKE_USER_CREDS,
 	STROKE_COUNTERS,
+	STROKE_COUNTERS_RESET,
 } stroke_keyword_t;
 
 #define STROKE_LIST_FIRST		STROKE_LIST_PUBKEYS

src/stroke/stroke_keywords.txt

@@ -66,3 +66,4 @@ leases,          STROKE_LEASES
 memusage,        STROKE_MEMUSAGE
 user-creds,      STROKE_USER_CREDS
 listcounters,    STROKE_COUNTERS
+resetcounters,   STROKE_COUNTERS_RESET

src/stroke/stroke_msg.h

@@ -223,7 +223,7 @@ struct stroke_msg_t {
 		STR_MEMUSAGE,
 		/* set username and password for a connection */
 		STR_USER_CREDS,
-		/* print counters */
+		/* print/reset counters */
 		STR_COUNTERS,
 		/* more to come */
 	} type;
@@ -357,6 +357,8 @@ struct stroke_msg_t {
 
 		/* data for STR_COUNTERS */
 		struct {
+			/* reset or print counters? */
+			int reset;
 			char *name;
 		} counters;
 	};