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

src/libcharon/plugins/stroke/stroke_counter.c

@@ -336,6 +336,27 @@ METHOD(stroke_counter_t, print, void,
 	}
 }
 
+METHOD(stroke_counter_t, reset, void,
+	private_stroke_counter_t *this, char *name)
+{
+	this->lock->lock(this->lock);
+	if (name)
+	{
+		entry_t *entry;
+
+		entry = this->conns->remove(this->conns, name);
+		if (entry)
+		{
+			destroy_entry(entry);
+		}
+	}
+	else
+	{
+		memset(&this->counter, 0, sizeof(this->counter));
+	}
+	this->lock->unlock(this->lock);
+}
+
 METHOD(stroke_counter_t, destroy, void,
 	private_stroke_counter_t *this)
 {
@@ -370,6 +391,7 @@ stroke_counter_t *stroke_counter_create()
 				.message = _message_hook,
 			},
 			.print = _print,
+			.reset = _reset,
 			.destroy = _destroy,
 		},
 		.conns = hashtable_create((hashtable_hash_t)hash,

src/libcharon/plugins/stroke/stroke_counter.h

@@ -91,6 +91,13 @@ struct stroke_counter_t {
 	 */
 	void (*print)(stroke_counter_t *this, FILE *out, char *name);
 
+	/**
+	 * Reset global or connection specific counters.
+	 *
+	 * @param name		name of connection counters to reset, NULL for global
+	 */
+	void (*reset)(stroke_counter_t *this, char *name);
+
 	/**
 	 * Destroy a stroke_counter_t.
 	 */

src/libcharon/plugins/stroke/stroke_socket.c

@@ -509,7 +509,14 @@ static void stroke_counters(private_stroke_socket_t *this,
 {
 	pop_string(msg, &msg->counters.name);
 
-	this->counter->print(this->counter, out, msg->counters.name);
+	if (msg->counters.reset)
+	{
+		this->counter->reset(this->counter, msg->counters.name);
+	}
+	else
+	{
+		this->counter->print(this->counter, out, msg->counters.name);
+	}
 }
 
 /**
@@ -675,6 +682,7 @@ static job_requeue_t process(stroke_job_context_t *ctx)
 			break;
 		case STR_COUNTERS:
 			stroke_counters(this, msg, out);
+			break;
 		default:
 			DBG1(DBG_CFG, "received unknown stroke");
 			break;