r10199: added a LOCAL-RESOLVE torture test, useful for measuring the overhead of

the async name resolution mechanisms
(This used to be commit b3a9d759bb7c6ca892f9810389292e79d963ca61)

1 files changed, 87 insertions, 0 deletions

diff --git a/source4/torture/local/resolve.c b/source4/torture/local/resolve.c
new file mode 100644
index 0000000000..9087f42a72
--- /dev/null
+++ b/source4/torture/local/resolve.c
@@ -0,0 +1,87 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   local test for async resolve code
+
+   Copyright (C) Andrew Tridgell 2004
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "librpc/gen_ndr/nbt.h"
+
+static BOOL test_async_resolve(TALLOC_CTX *mem_ctx)
+{
+	struct nbt_name n;
+	struct event_context *ev = event_context_find(mem_ctx);
+	int timelimit = lp_parm_int(-1, "torture", "timelimit", 10);
+	const char *host = lp_parm_string(-1, "torture", "host");
+	int count = 0;
+	struct timeval tv = timeval_current();
+
+	ZERO_STRUCT(n);
+	n.name = host;
+
+	printf("Testing async resolve of localhost for %d seconds\n", timelimit);
+	while (timeval_elapsed(&tv) < timelimit) {
+		const char *s;
+		struct composite_context *c = resolve_name_host_send(&n, ev);
+		NTSTATUS status = resolve_name_host_recv(c, mem_ctx, &s);
+		if (!NT_STATUS_IS_OK(status)) {
+			printf("async resolve failed - %s\n", nt_errstr(status));
+			return False;
+		}
+		count++;
+	}
+
+	printf("async rate of %.1f resolves/sec\n", count/timeval_elapsed(&tv));
+	return True;
+}
+
+/*
+  test resolution using sync method
+*/
+static BOOL test_sync_resolve(TALLOC_CTX *mem_ctx)
+{
+	int timelimit = lp_parm_int(-1, "torture", "timelimit", 10);
+	struct timeval tv = timeval_current();
+	int count = 0;
+	const char *host = lp_parm_string(-1, "torture", "host");
+
+	printf("Testing sync resolve of localhost for %d seconds\n", timelimit);
+	while (timeval_elapsed(&tv) < timelimit) {
+		sys_inet_ntoa(interpret_addr2(host));
+		count++;
+	}
+	
+	printf("sync rate of %.1f resolves/sec\n", count/timeval_elapsed(&tv));
+	return True;
+}
+
+
+BOOL torture_local_resolve(void) 
+{
+	TALLOC_CTX *mem_ctx = talloc_init("torture_local_irpc");
+	BOOL ret = True;
+
+	ret &= test_sync_resolve(mem_ctx);
+	ret &= test_async_resolve(mem_ctx);
+
+	talloc_free(mem_ctx);
+
+	return ret;
+}