1 /*
2    Unix SMB/CIFS implementation.
3 
4    local test for irpc code
5 
6    Copyright (C) Andrew Tridgell 2004
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22 
23 #include "includes.h"
24 #include "lib/events/events.h"
25 #include "lib/messaging/irpc.h"
26 #include "librpc/gen_ndr/ndr_echo.h"
27 #include "torture/torture.h"
28 
29 const uint32_t MSG_ID1 = 1, MSG_ID2 = 2;
30 
31 static BOOL test_debug;
32 
33 struct irpc_test_data
34 {
35 	struct messaging_context *msg_ctx1, *msg_ctx2;
36 	struct event_context *ev;
37 };
38 
39 /*
40   serve up AddOne over the irpc system
41 */
irpc_AddOne(struct irpc_message * irpc,struct echo_AddOne * r)42 static NTSTATUS irpc_AddOne(struct irpc_message *irpc, struct echo_AddOne *r)
43 {
44 	*r->out.out_data = r->in.in_data + 1;
45 	if (test_debug) {
46 		printf("irpc_AddOne: in=%u in+1=%u out=%u\n",
47 			r->in.in_data, r->in.in_data+1, *r->out.out_data);
48 	}
49 	return NT_STATUS_OK;
50 }
51 
52 /*
53   a deferred reply to echodata
54 */
deferred_echodata(struct event_context * ev,struct timed_event * te,struct timeval t,void * private)55 static void deferred_echodata(struct event_context *ev, struct timed_event *te,
56 			      struct timeval t, void *private)
57 {
58 	struct irpc_message *irpc = talloc_get_type(private, struct irpc_message);
59 	struct echo_EchoData *r = irpc->data;
60 	r->out.out_data = talloc_memdup(r, r->in.in_data, r->in.len);
61 	if (r->out.out_data == NULL) {
62 		irpc_send_reply(irpc, NT_STATUS_NO_MEMORY);
63 	}
64 	printf("sending deferred reply\n");
65 	irpc_send_reply(irpc, NT_STATUS_OK);
66 }
67 
68 
69 /*
70   serve up EchoData over the irpc system
71 */
irpc_EchoData(struct irpc_message * irpc,struct echo_EchoData * r)72 static NTSTATUS irpc_EchoData(struct irpc_message *irpc, struct echo_EchoData *r)
73 {
74 	irpc->defer_reply = True;
75 	event_add_timed(irpc->ev, irpc, timeval_zero(), deferred_echodata, irpc);
76 	return NT_STATUS_OK;
77 }
78 
79 
80 /*
81   test a addone call over the internal messaging system
82 */
test_addone(struct torture_context * test,const void * _data,const void * _value)83 static bool test_addone(struct torture_context *test, const void *_data,
84 			const void *_value)
85 {
86 	struct echo_AddOne r;
87 	NTSTATUS status;
88 	const struct irpc_test_data *data = _data;
89 	uint32_t value = (uint32_t)_value;
90 
91 	/* make the call */
92 	r.in.in_data = value;
93 
94 	test_debug = True;
95 	status = IRPC_CALL(data->msg_ctx1, MSG_ID2, rpcecho, ECHO_ADDONE, &r, test);
96 	test_debug = False;
97 	torture_assert_ntstatus_ok(test, status, "AddOne failed");
98 
99 	/* check the answer */
100 	torture_assert(test, *r.out.out_data == r.in.in_data + 1,
101 				   "AddOne wrong answer");
102 
103 	torture_comment(test, "%u + 1 = %u\n", r.in.in_data, *r.out.out_data);
104 	return true;
105 }
106 
107 /*
108   test a echodata call over the internal messaging system
109 */
test_echodata(struct torture_context * tctx,const void * tcase_data,const void * test_data)110 static bool test_echodata(struct torture_context *tctx,
111 						  const void *tcase_data,
112 						  const void *test_data)
113 {
114 	struct echo_EchoData r;
115 	NTSTATUS status;
116 	const struct irpc_test_data *data = tcase_data;
117 	TALLOC_CTX *mem_ctx = tctx;
118 
119 	/* make the call */
120 	r.in.in_data = (unsigned char *)talloc_strdup(mem_ctx, "0123456789");
121 	r.in.len = strlen((char *)r.in.in_data);
122 
123 	status = IRPC_CALL(data->msg_ctx1, MSG_ID2, rpcecho, ECHO_ECHODATA, &r,
124 					   mem_ctx);
125 	torture_assert_ntstatus_ok(tctx, status, "EchoData failed");
126 
127 	/* check the answer */
128 	if (memcmp(r.out.out_data, r.in.in_data, r.in.len) != 0) {
129 		NDR_PRINT_OUT_DEBUG(echo_EchoData, &r);
130 		torture_fail(tctx, "EchoData wrong answer");
131 	}
132 
133 	torture_comment(tctx, "Echo '%*.*s' -> '%*.*s'\n",
134 	       r.in.len, r.in.len,
135 	       r.in.in_data,
136 	       r.in.len, r.in.len,
137 	       r.out.out_data);
138 	return true;
139 }
140 
141 
irpc_callback(struct irpc_request * irpc)142 static void irpc_callback(struct irpc_request *irpc)
143 {
144 	struct echo_AddOne *r = irpc->r;
145 	int *pong_count = (int *)irpc->async.private;
146 	NTSTATUS status = irpc_call_recv(irpc);
147 	if (!NT_STATUS_IS_OK(status)) {
148 		printf("irpc call failed - %s\n", nt_errstr(status));
149 	}
150 	if (*r->out.out_data != r->in.in_data + 1) {
151 		printf("AddOne wrong answer - %u + 1 = %u should be %u\n",
152 		       r->in.in_data, *r->out.out_data, r->in.in_data+1);
153 	}
154 	(*pong_count)++;
155 }
156 
157 /*
158   test echo speed
159 */
test_speed(struct torture_context * tctx,const void * tcase_data,const void * test_data)160 static bool test_speed(struct torture_context *tctx,
161 					   const void *tcase_data,
162 					   const void *test_data)
163 {
164 	int ping_count = 0;
165 	int pong_count = 0;
166 	const struct irpc_test_data *data = tcase_data;
167 	struct timeval tv;
168 	struct echo_AddOne r;
169 	TALLOC_CTX *mem_ctx = tctx;
170 	int timelimit = torture_setting_int(tctx, "timelimit", 10);
171 
172 	tv = timeval_current();
173 
174 	r.in.in_data = 0;
175 
176 	torture_comment(tctx, "Sending echo for %d seconds\n", timelimit);
177 	while (timeval_elapsed(&tv) < timelimit) {
178 		struct irpc_request *irpc;
179 
180 		irpc = IRPC_CALL_SEND(data->msg_ctx1, MSG_ID2, rpcecho, ECHO_ADDONE,
181 							  &r, mem_ctx);
182 		torture_assert(tctx, irpc != NULL, "AddOne send failed");
183 
184 		irpc->async.fn = irpc_callback;
185 		irpc->async.private = &pong_count;
186 
187 		ping_count++;
188 
189 		while (ping_count > pong_count + 20) {
190 			event_loop_once(data->ev);
191 		}
192 	}
193 
194 	torture_comment(tctx, "waiting for %d remaining replies (done %d)\n",
195 	       ping_count - pong_count, pong_count);
196 	while (timeval_elapsed(&tv) < 30 && pong_count < ping_count) {
197 		event_loop_once(data->ev);
198 	}
199 
200 	torture_assert_int_equal(tctx, ping_count, pong_count, "ping test failed");
201 
202 	torture_comment(tctx, "echo rate of %.0f messages/sec\n",
203 	       (ping_count+pong_count)/timeval_elapsed(&tv));
204 	return true;
205 }
206 
207 
irpc_setup(struct torture_context * tctx,void ** _data)208 static BOOL irpc_setup(struct torture_context *tctx, void **_data)
209 {
210 	struct irpc_test_data *data;
211 
212 	*_data = data = talloc(tctx, struct irpc_test_data);
213 
214 	lp_set_cmdline("lock dir", "lockdir.tmp");
215 
216 	data->ev = event_context_init(tctx);
217 	torture_assert(tctx, data->msg_ctx1 = messaging_init(tctx, MSG_ID1, data->ev),
218 				   "Failed to init first messaging context");
219 
220 	torture_assert(tctx, data->msg_ctx2 = messaging_init(tctx, MSG_ID2, data->ev),
221 				   "Failed to init second messaging context");
222 
223 	/* register the server side function */
224 	IRPC_REGISTER(data->msg_ctx1, rpcecho, ECHO_ADDONE, irpc_AddOne, NULL);
225 	IRPC_REGISTER(data->msg_ctx2, rpcecho, ECHO_ADDONE, irpc_AddOne, NULL);
226 
227 	IRPC_REGISTER(data->msg_ctx1, rpcecho, ECHO_ECHODATA, irpc_EchoData, NULL);
228 	IRPC_REGISTER(data->msg_ctx2, rpcecho, ECHO_ECHODATA, irpc_EchoData, NULL);
229 
230 	return True;
231 }
232 
torture_local_irpc(TALLOC_CTX * mem_ctx)233 struct torture_suite *torture_local_irpc(TALLOC_CTX *mem_ctx)
234 {
235 	struct torture_suite *suite = torture_suite_create(mem_ctx, "IRPC");
236 	struct torture_tcase *tcase = torture_suite_add_tcase(suite, "irpc");
237 	int i;
238 	uint32_t *values = talloc_array(tcase, uint32_t, 5);
239 
240 	values[0] = 0;
241 	values[1] = 0x7FFFFFFE;
242 	values[2] = 0xFFFFFFFE;
243 	values[3] = 0xFFFFFFFF;
244 	values[4] = random() & 0xFFFFFFFF;
245 
246 	tcase->setup = irpc_setup;
247 
248 	for (i = 0; i < 5; i++) {
249 		torture_tcase_add_test(tcase, "addone", test_addone, (void *)values[i]);
250 	}
251 
252 	torture_tcase_add_test(tcase, "echodata", test_echodata, NULL);
253 	torture_tcase_add_test(tcase, "speed", test_speed, NULL);
254 
255 	return suite;
256 }
257