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/* Copyright (c) 2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define DISPATCH_PRIVATE
#include "test/test.h"
#include "lib/dispatch/dispatch.h"
#include "lib/dispatch/dispatch_cfg.h"
#include "lib/dispatch/dispatch_st.h"
#include "lib/dispatch/msgtypes.h"
#include "lib/log/escape.h"
#include "lib/malloc/malloc.h"
#include "lib/string/printf.h"
#include <stdio.h>
#include <string.h>
static dispatch_t *dispatcher_in_use=NULL;
/* Construct an empty dispatch_t. */
static void
test_dispatch_empty(void *arg)
{
(void)arg;
dispatch_t *d=NULL;
dispatch_cfg_t *cfg=NULL;
cfg = dcfg_new();
d = dispatch_new(cfg);
tt_assert(d);
done:
dispatch_free(d);
dcfg_free(cfg);
}
static int total_recv1_simple = 0;
static int total_recv2_simple = 0;
static void
simple_recv1(const msg_t *m)
{
total_recv1_simple += m->aux_data__.u64;
}
static char *recv2_received = NULL;
static void
simple_recv2(const msg_t *m)
{
tor_free(recv2_received);
recv2_received = dispatch_fmt_msg_data(dispatcher_in_use, m);
total_recv2_simple += m->aux_data__.u64*10;
}
/* Construct a dispatch_t with two messages, make sure that they both get
* delivered. */
static void
test_dispatch_simple(void *arg)
{
(void)arg;
dispatch_t *d=NULL;
dispatch_cfg_t *cfg=NULL;
int r;
cfg = dcfg_new();
r = dcfg_msg_set_type(cfg,0,0);
r += dcfg_msg_set_chan(cfg,0,0);
r += dcfg_add_recv(cfg,0,1,simple_recv1);
r += dcfg_msg_set_type(cfg,1,0);
r += dcfg_msg_set_chan(cfg,1,0);
r += dcfg_add_recv(cfg,1,1,simple_recv2);
r += dcfg_add_recv(cfg,1,1,simple_recv2); /* second copy */
tt_int_op(r, OP_EQ, 0);
d = dispatch_new(cfg);
tt_assert(d);
dispatcher_in_use = d;
msg_aux_data_t data = {.u64 = 7};
r = dispatch_send(d, 99, 0, 0, 0, data);
tt_int_op(r, OP_EQ, 0);
tt_int_op(total_recv1_simple, OP_EQ, 0);
r = dispatch_flush(d, 0, INT_MAX);
tt_int_op(r, OP_EQ, 0);
tt_int_op(total_recv1_simple, OP_EQ, 7);
tt_int_op(total_recv2_simple, OP_EQ, 0);
total_recv1_simple = 0;
r = dispatch_send(d, 99, 0, 1, 0, data);
tt_int_op(r, OP_EQ, 0);
r = dispatch_flush(d, 0, INT_MAX);
tt_int_op(total_recv1_simple, OP_EQ, 0);
tt_int_op(total_recv2_simple, OP_EQ, 140);
tt_str_op(recv2_received, OP_EQ, "<>"); // no format function was set.
done:
dispatch_free(d);
dcfg_free(cfg);
tor_free(recv2_received);
}
struct coord { int x; int y; };
static void
free_coord(msg_aux_data_t d)
{
tor_free(d.ptr);
}
static char *
fmt_coord(msg_aux_data_t d)
{
char *v;
struct coord *c = d.ptr;
tor_asprintf(&v, "[%d, %d]", c->x, c->y);
return v;
}
static dispatch_typefns_t coord_fns = {
.fmt_fn = fmt_coord,
.free_fn = free_coord,
};
static void
alert_run_immediate(dispatch_t *d, channel_id_t ch, void *arg)
{
(void)arg;
dispatch_flush(d, ch, INT_MAX);
}
static char *received_data=NULL;
static void
recv_typed_data(const msg_t *m)
{
tor_free(received_data);
received_data = dispatch_fmt_msg_data(dispatcher_in_use, m);
}
static void
test_dispatch_with_types(void *arg)
{
(void)arg;
dispatch_t *d=NULL;
dispatch_cfg_t *cfg=NULL;
int r;
cfg = dcfg_new();
r = dcfg_msg_set_type(cfg,5,3);
r += dcfg_msg_set_chan(cfg,5,2);
r += dcfg_add_recv(cfg,5,0,recv_typed_data);
r += dcfg_type_set_fns(cfg,3,&coord_fns);
tt_int_op(r, OP_EQ, 0);
d = dispatch_new(cfg);
tt_assert(d);
dispatcher_in_use = d;
/* Make this message get run immediately. */
r = dispatch_set_alert_fn(d, 2, alert_run_immediate, NULL);
tt_int_op(r, OP_EQ, 0);
struct coord *xy = tor_malloc(sizeof(*xy));
xy->x = 13;
xy->y = 37;
msg_aux_data_t data = {.ptr = xy};
r = dispatch_send(d, 99/*sender*/, 2/*channel*/, 5/*msg*/, 3/*type*/, data);
tt_int_op(r, OP_EQ, 0);
tt_str_op(received_data, OP_EQ, "[13, 37]");
done:
dispatch_free(d);
dcfg_free(cfg);
tor_free(received_data);
dispatcher_in_use = NULL;
}
static void
test_dispatch_bad_type_setup(void *arg)
{
(void)arg;
static dispatch_typefns_t fns;
dispatch_cfg_t *cfg = dcfg_new();
tt_int_op(0, OP_EQ, dcfg_type_set_fns(cfg, 7, &coord_fns));
fns = coord_fns;
fns.fmt_fn = NULL;
tt_int_op(-1, OP_EQ, dcfg_type_set_fns(cfg, 7, &fns));
fns = coord_fns;
fns.free_fn = NULL;
tt_int_op(-1, OP_EQ, dcfg_type_set_fns(cfg, 7, &fns));
fns = coord_fns;
tt_int_op(0, OP_EQ, dcfg_type_set_fns(cfg, 7, &fns));
done:
dcfg_free(cfg);
}
#define T(name) \
{ #name, test_dispatch_ ## name, TT_FORK, NULL, NULL }
struct testcase_t dispatch_tests[] = {
T(empty),
T(simple),
T(with_types),
T(bad_type_setup),
END_OF_TESTCASES
};
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