r5403: a simple WINS benchmarking program

(This used to be commit d0f8b5bc6d64688cf9ad19d203d173ad2735f001)

1 files changed, 297 insertions, 0 deletions

diff --git a/source4/torture/nbt/winsbench.c b/source4/torture/nbt/winsbench.c
new file mode 100644
index 0000000000..4c0934a0ed
--- /dev/null
+++ b/source4/torture/nbt/winsbench.c
@@ -0,0 +1,297 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   WINS benchmark test
+
+   Copyright (C) Andrew Tridgell 2005
+   
+   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 "libcli/nbt/libnbt.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "lib/socket/socket.h"
+
+struct wins_state {
+	int num_names;
+	BOOL *registered;
+	int pass_count;
+	int fail_count;
+	const char *wins_server;
+	const char *my_ip;
+	uint32_t ttl;
+};
+
+struct idx_state {
+	int idx;
+	struct wins_state *state;
+};
+
+struct nbt_name generate_name(TALLOC_CTX *mem_ctx, int idx)
+{
+	struct nbt_name name;
+	name.name       = talloc_asprintf(mem_ctx, "WINSBench%6u", idx);
+	name.type       = 0x4;
+	name.scope      = NULL;
+	return name;
+}
+
+static void register_handler(struct nbt_name_request *req)
+{
+	struct idx_state *istate = talloc_get_type(req->async.private, struct idx_state);
+	struct wins_state *state = istate->state;
+	struct nbt_name_register io;
+	NTSTATUS status;
+
+	status = nbt_name_register_recv(req, istate, &io);
+	if (!NT_STATUS_IS_OK(status) || io.out.rcode != NBT_RCODE_OK) {
+		state->fail_count++;
+	} else {
+		state->pass_count++;
+		state->registered[istate->idx] = True;
+	}
+	talloc_free(istate);	
+}
+
+/*
+  generate a registration
+*/
+static void generate_register(struct nbt_name_socket *nbtsock, struct wins_state *state, int idx)
+{
+	struct nbt_name_register io;
+	TALLOC_CTX *tmp_ctx = talloc_new(state);
+	struct nbt_name_request *req;
+	struct idx_state *istate;
+
+	istate = talloc(nbtsock, struct idx_state);
+	istate->idx = idx;
+	istate->state = state;
+
+	io.in.name            = generate_name(tmp_ctx, idx);
+	io.in.dest_addr       = state->wins_server;
+	io.in.address         = state->my_ip;
+	io.in.nb_flags        = NBT_NODE_H;
+	io.in.register_demand = False;
+	io.in.broadcast       = False;
+	io.in.multi_homed     = False;
+	io.in.ttl             = state->ttl;
+	io.in.timeout         = 2;
+	io.in.retries         = 1;
+
+	req = nbt_name_register_send(nbtsock, &io);
+
+	req->async.fn = register_handler;
+	req->async.private = istate;
+
+	talloc_free(tmp_ctx);
+}
+
+
+static void release_handler(struct nbt_name_request *req)
+{
+	struct idx_state *istate = talloc_get_type(req->async.private, struct idx_state);
+	struct wins_state *state = istate->state;
+	struct nbt_name_release io;
+	NTSTATUS status;
+
+	status = nbt_name_release_recv(req, istate, &io);
+	if (state->registered[istate->idx] && 
+	    (!NT_STATUS_IS_OK(status) || io.out.rcode != NBT_RCODE_OK)) {
+		state->fail_count++;
+	} else {
+		state->pass_count++;
+		state->registered[istate->idx] = False;
+	}
+	talloc_free(istate);	
+}
+
+/*
+  generate a registration
+*/
+static void generate_release(struct nbt_name_socket *nbtsock, struct wins_state *state, int idx)
+{
+	struct nbt_name_release io;
+	TALLOC_CTX *tmp_ctx = talloc_new(state);
+	struct nbt_name_request *req;
+	struct idx_state *istate;
+
+	istate = talloc(nbtsock, struct idx_state);
+	istate->idx = idx;
+	istate->state = state;
+
+	io.in.name            = generate_name(tmp_ctx, idx);
+	io.in.dest_addr       = state->wins_server;
+	io.in.address         = state->my_ip;
+	io.in.nb_flags        = NBT_NODE_H;
+	io.in.broadcast       = False;
+	io.in.timeout         = 2;
+	io.in.retries         = 1;
+
+	req = nbt_name_release_send(nbtsock, &io);
+
+	req->async.fn = release_handler;
+	req->async.private = istate;
+
+	talloc_free(tmp_ctx);
+}
+
+
+static void query_handler(struct nbt_name_request *req)
+{
+	struct idx_state *istate = talloc_get_type(req->async.private, struct idx_state);
+	struct wins_state *state = istate->state;
+	struct nbt_name_query io;
+	NTSTATUS status;
+
+	status = nbt_name_query_recv(req, istate, &io);
+	if (!NT_STATUS_IS_OK(status) && state->registered[istate->idx]) {
+		state->fail_count++;
+	} else {
+		state->pass_count++;
+	}
+	talloc_free(istate);	
+}
+
+/*
+  generate a name query
+*/
+static void generate_query(struct nbt_name_socket *nbtsock, struct wins_state *state, int idx)
+{
+	struct nbt_name_query io;
+	TALLOC_CTX *tmp_ctx = talloc_new(state);
+	struct nbt_name_request *req;
+	struct idx_state *istate;
+
+	istate = talloc(nbtsock, struct idx_state);
+	istate->idx = idx;
+	istate->state = state;
+
+	io.in.name            = generate_name(tmp_ctx, idx);
+	io.in.dest_addr       = state->wins_server;
+	io.in.broadcast       = False;
+	io.in.wins_lookup     = True;
+	io.in.timeout         = 2;
+	io.in.retries         = 1;
+
+	req = nbt_name_query_send(nbtsock, &io);
+
+	req->async.fn = query_handler;
+	req->async.private = istate;
+
+	talloc_free(tmp_ctx);
+}
+
+/*
+  generate one WINS request
+*/
+static void generate_request(struct nbt_name_socket *nbtsock, struct wins_state *state, int idx)
+{
+	if (random() % 5 == 0) {
+		generate_register(nbtsock, state, idx);
+		return;
+	}
+
+	if (random() % 20 == 0) {
+		generate_release(nbtsock, state, idx);
+		return;
+	}
+
+	generate_query(nbtsock, state, idx);
+}
+
+/*
+  benchmark simple name queries
+*/
+static BOOL bench_wins(TALLOC_CTX *mem_ctx, struct nbt_name *name, const char *address)
+{
+	struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
+	int num_sent=0;
+	struct timeval tv = timeval_current();
+	BOOL ret = True;
+	int timelimit = lp_parm_int(-1, "torture", "timelimit", 10);
+	struct wins_state *state;
+	extern int torture_entries;
+
+	state = talloc_zero(nbtsock, struct wins_state);
+
+	state->num_names = torture_entries;
+	state->registered = talloc_zero_array(state, BOOL, state->num_names);
+	state->wins_server = address;
+	state->my_ip = talloc_strdup(mem_ctx, iface_n_ip(0));
+	state->ttl = timelimit;
+
+	socket_listen(nbtsock->sock, state->my_ip, 0, 0, 0);
+
+	printf("Running for %d seconds\n", timelimit);
+	while (timeval_elapsed(&tv) < timelimit) {
+		while (num_sent - (state->pass_count+state->fail_count) < 10) {
+			generate_request(nbtsock, state, num_sent % state->num_names);
+			num_sent++;
+			if (num_sent % 50 == 0) {
+				printf("%.1f queries per second (%d failures)  \r", 
+				       state->pass_count / timeval_elapsed(&tv),
+				       state->fail_count);
+			}
+		}
+
+		event_loop_once(nbtsock->event_ctx);
+	}
+
+	while (num_sent != (state->pass_count + state->fail_count)) {
+		event_loop_once(nbtsock->event_ctx);
+	}
+
+	printf("%.1f queries per second (%d failures)  \n", 
+	       state->pass_count / timeval_elapsed(&tv),
+	       state->fail_count);
+
+	talloc_free(nbtsock);
+	return ret;
+}
+
+
+/*
+  benchmark how fast a WINS server can respond to a mixture of
+  registration/refresh/release and name query requests
+*/
+BOOL torture_bench_wins(void)
+{
+	const char *address;
+	struct nbt_name name;
+	TALLOC_CTX *mem_ctx = talloc_new(NULL);
+	NTSTATUS status;
+	BOOL ret = True;
+	
+	name.name = lp_parm_string(-1, "torture", "host");
+	name.type = NBT_NAME_SERVER;
+	name.scope = NULL;
+
+	/* do an initial name resolution to find its IP */
+	status = resolve_name(&name, mem_ctx, &address);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("Failed to resolve %s - %s\n",
+		       name.name, nt_errstr(status));
+		talloc_free(mem_ctx);
+		return False;
+	}
+
+	ret &= bench_wins(mem_ctx, &name, address);
+
+	talloc_free(mem_ctx);
+
+	return ret;
+}