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libgbinder/unit/unit_proxy_object/unit_proxy_object.c

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/*
* Copyright (C) 2021-2022 Jolla Ltd.
* Copyright (C) 2021-2022 Slava Monich <slava.monich@jolla.com>
* Copyright (C) 2023 Slava Monich <slava@monich.com>
*
* You may use this file under the terms of BSD license as follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test_binder.h"
#include "gbinder_ipc.h"
#include "gbinder_client.h"
#include "gbinder_config.h"
#include "gbinder_driver.h"
#include "gbinder_proxy_object.h"
#include "gbinder_remote_object_p.h"
#include "gbinder_remote_request.h"
#include "gbinder_remote_reply.h"
#include "gbinder_local_request.h"
#include "gbinder_local_reply.h"
#include <gutil_log.h>
#include <errno.h>
static TestOpt test_opt;
#define DEV "/dev/xbinder"
#define DEV2 "/dev/ybinder"
enum test_tx_codes {
TX_CODE = GBINDER_FIRST_CALL_TRANSACTION,
TX_CODE2,
TX_CODE3
};
#define TX_PARAM1 0x11111111
#define TX_PARAM2 0x22222222
#define TX_PARAM3 0x33333333
#define TX_RESULT1 0x01010101
#define TX_RESULT2 0x02020202
#define TX_PARAM_REPLY 0x11110000
#define TX_PARAM_DONT_REPLY 0x22220000
#define TX_RESULT 0x03030303
static const char TMP_DIR_TEMPLATE[] = "gbinder-test-proxy-XXXXXX";
const char TEST_IFACE[] = "test@1.0::ITest";
const char TEST_IFACE2[] = "test@1.0::ITest2";
static const char* TEST_IFACES[] = { TEST_IFACE, NULL };
static const char* TEST_IFACES2[] = { TEST_IFACE2, NULL };
static const char DEFAULT_CONFIG_DATA[] =
"[Protocol]\n"
"Default = hidl\n"
"[ServiceManager]\n"
"Default = hidl\n";
typedef struct test_config {
char* dir;
char* file;
} TestConfig;
/*==========================================================================*
* Common
*==========================================================================*/
static
void
test_config_init(
TestConfig* config,
char* config_data)
{
config->dir = g_dir_make_tmp(TMP_DIR_TEMPLATE, NULL);
config->file = g_build_filename(config->dir, "test.conf", NULL);
g_assert(g_file_set_contents(config->file, config_data ? config_data :
DEFAULT_CONFIG_DATA, -1, NULL));
gbinder_config_exit();
gbinder_config_dir = config->dir;
gbinder_config_file = config->file;
GDEBUG("Wrote config to %s", config->file);
}
static
void
test_config_deinit(
TestConfig* config)
{
gbinder_config_exit();
remove(config->file);
g_free(config->file);
remove(config->dir);
g_free(config->dir);
}
/*==========================================================================*
* null
*==========================================================================*/
static
void
test_null(
void)
{
g_assert(!gbinder_proxy_object_new(NULL, NULL));
}
/*==========================================================================*
* basic
*==========================================================================*/
static
GBinderLocalReply*
test_basic_cb(
GBinderLocalObject* obj,
GBinderRemoteRequest* req,
guint code,
guint flags,
int* status,
void* user_data)
{
int* count = user_data;
GBinderReader reader;
GDEBUG("Request handled");
g_assert(!flags);
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_IFACE));
g_assert(code == TX_CODE);
/* No parameters are expected */
gbinder_remote_request_init_reader(req, &reader);
g_assert(gbinder_reader_at_end(&reader));
*status = GBINDER_STATUS_OK;
(*count)++;
return gbinder_local_object_new_reply(obj);
}
static
void
test_basic_reply(
GBinderClient* client,
GBinderRemoteReply* reply,
int status,
void* loop)
{
GBinderReader reader;
GDEBUG("Reply received");
/* No parameters are expected */
gbinder_remote_reply_init_reader(reply, &reader);
g_assert(gbinder_reader_at_end(&reader));
g_main_loop_quit((GMainLoop*)loop);
}
static
void
test_basic_run(
void)
{
TestConfig config;
GBinderLocalObject* obj;
GBinderProxyObject* proxy;
GBinderRemoteObject* remote_obj;
GBinderClient* client;
GBinderIpc* ipc_obj;
GBinderIpc* ipc_proxy;
GMainLoop* loop = g_main_loop_new(NULL, FALSE);
int fd_obj, fd_proxy, n = 0;
test_config_init(&config, NULL);
ipc_proxy = gbinder_ipc_new(DEV, NULL);
ipc_obj = gbinder_ipc_new(DEV2, NULL);
fd_proxy = gbinder_driver_fd(ipc_proxy->driver);
fd_obj = gbinder_driver_fd(ipc_obj->driver);
obj = gbinder_local_object_new(ipc_obj, TEST_IFACES, test_basic_cb, &n);
remote_obj = gbinder_remote_object_new(ipc_obj,
test_binder_register_object(fd_obj, obj, AUTO_HANDLE),
REMOTE_OBJECT_CREATE_ALIVE);
g_assert(!gbinder_proxy_object_new(NULL, remote_obj));
g_assert((proxy = gbinder_proxy_object_new(ipc_proxy, remote_obj)));
client = gbinder_client_new(proxy->remote, TEST_IFACE);
/* Perform a transaction via proxy */
g_assert(gbinder_client_transact(client, TX_CODE, 0, NULL,
test_basic_reply, NULL, loop));
test_run(&test_opt, loop);
g_assert_cmpint(n, == ,1);
test_binder_unregister_objects(fd_obj);
test_binder_unregister_objects(fd_proxy);
gbinder_local_object_drop(obj);
gbinder_local_object_drop(&proxy->parent);
gbinder_remote_object_unref(remote_obj);
gbinder_client_unref(client);
gbinder_ipc_unref(ipc_obj);
gbinder_ipc_unref(ipc_proxy);
test_binder_exit_wait(&test_opt, loop);
test_config_deinit(&config);
g_main_loop_unref(loop);
}
static
void
test_basic(
void)
{
test_run_in_context(&test_opt, test_basic_run);
}
/*==========================================================================*
* param
*==========================================================================*/
static
gboolean
test_param_cancel(
gpointer req)
{
gbinder_remote_request_complete(req, NULL, -ECANCELED);
return G_SOURCE_REMOVE;
}
static
GBinderLocalReply*
test_param_cb(
GBinderLocalObject* obj,
GBinderRemoteRequest* req,
guint code,
guint flags,
int* status,
void* user_data)
{
int* count = user_data;
GBinderReader reader;
gint32 param = 0;
g_assert(!flags);
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_IFACE));
g_assert(code == TX_CODE);
/* Make sure that parameter got delivered intact */
gbinder_remote_request_init_reader(req, &reader);
g_assert(gbinder_reader_read_int32(&reader, &param));
g_assert(gbinder_reader_at_end(&reader));
*status = GBINDER_STATUS_OK;
(*count)++;
if (param == TX_PARAM_REPLY) {
GDEBUG("Replying to request 0x%08x", param);
return gbinder_local_reply_append_int32
(gbinder_local_object_new_reply(obj), TX_RESULT);
} else {
g_assert_cmpint(param, == ,TX_PARAM_DONT_REPLY);
GDEBUG("Suspending request 0x%08x", param);
gbinder_remote_request_block(req);
g_timeout_add_full(G_PRIORITY_DEFAULT, 50, test_param_cancel,
gbinder_remote_request_ref(req), (GDestroyNotify)
gbinder_remote_request_unref);
return NULL;
}
}
static
void
test_param_canceled(
GBinderClient* client,
GBinderRemoteReply* reply,
int status,
void* unused)
{
g_assert(!reply);
g_assert_cmpint(status, == ,-ECANCELED);
GDEBUG("Transaction cancelled");
}
static
void
test_param_reply(
GBinderClient* client,
GBinderRemoteReply* reply,
int status,
void* loop)
{
GBinderReader reader;
gint32 result = 0;
g_assert(reply);
g_assert_cmpint(status, == ,0);
GDEBUG("Reply received");
/* Make sure that result got delivered intact */
gbinder_remote_reply_init_reader(reply, &reader);
g_assert(gbinder_reader_read_int32(&reader, &result));
g_assert(gbinder_reader_at_end(&reader));
g_assert_cmpint(result, == ,TX_RESULT);
g_main_loop_quit((GMainLoop*)loop);
}
static
void
test_param_run(
void)
{
TestConfig config;
GBinderLocalObject* obj;
GBinderProxyObject* proxy;
GBinderRemoteObject* remote_obj;
GBinderClient* client;
GBinderLocalRequest* req;
GBinderIpc* ipc_obj;
GBinderIpc* ipc_proxy;
GMainLoop* loop = g_main_loop_new(NULL, FALSE);
int fd_obj, fd_proxy, n = 0;
test_config_init(&config, NULL);
ipc_proxy = gbinder_ipc_new(DEV2, NULL);
ipc_obj = gbinder_ipc_new(DEV, NULL);
fd_proxy = gbinder_driver_fd(ipc_proxy->driver);
fd_obj = gbinder_driver_fd(ipc_obj->driver);
obj = gbinder_local_object_new(ipc_obj, TEST_IFACES, test_param_cb, &n);
remote_obj = gbinder_remote_object_new(ipc_obj,
test_binder_register_object(fd_obj, obj, AUTO_HANDLE),
REMOTE_OBJECT_CREATE_ALIVE);
g_assert(!gbinder_proxy_object_new(NULL, remote_obj));
g_assert((proxy = gbinder_proxy_object_new(ipc_proxy, remote_obj)));
client = gbinder_client_new(proxy->remote, TEST_IFACE);
/*
* Perform two transactions via proxy. First one never gets completed
* and eventually is cancelled, and the second one is replied to.
*/
req = gbinder_client_new_request(client);
gbinder_local_request_append_int32(req, TX_PARAM_DONT_REPLY);
gbinder_client_transact(client, TX_CODE, 0, req, test_param_canceled,
NULL, NULL);
gbinder_local_request_unref(req);
req = gbinder_client_new_request(client);
gbinder_local_request_append_int32(req, TX_PARAM_REPLY);
g_assert(gbinder_client_transact(client, TX_CODE, 0, req,
test_param_reply, NULL, loop));
gbinder_local_request_unref(req);
test_run(&test_opt, loop);
/* Depending on how callbacks are scheduled, n could be 1 or 2 */
g_assert_cmpint(n, > ,0);
test_binder_unregister_objects(fd_obj);
test_binder_unregister_objects(fd_proxy);
gbinder_local_object_drop(obj);
gbinder_local_object_drop(&proxy->parent);
gbinder_remote_object_unref(remote_obj);
gbinder_client_unref(client);
gbinder_ipc_unref(ipc_obj);
gbinder_ipc_unref(ipc_proxy);
test_binder_exit_wait(&test_opt, loop);
test_config_deinit(&config);
g_main_loop_unref(loop);
}
static
void
test_param(
void)
{
test_run_in_context(&test_opt, test_param_run);
}
/*==========================================================================*
* obj
*==========================================================================*/
typedef struct test_obj_data {
GMainLoop* loop;
GBinderLocalObject* obj2;
gboolean obj_call_handled;
gboolean obj_call_finished;
gboolean obj2_call_handled;
gboolean obj2_call_finished;
} TestObj;
static
GBinderLocalReply*
test_obj2_cb(
GBinderLocalObject* obj,
GBinderRemoteRequest* req,
guint code,
guint flags,
int* status,
void* user_data)
{
TestObj* test = user_data;
GBinderReader reader;
gint32 param = 0;
GDEBUG("Request 2 handled");
g_assert(!test->obj2_call_handled);
test->obj2_call_handled = TRUE;
g_assert(!flags);
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_IFACE2));
g_assert(code == TX_CODE2);
/* TX_PARAM3 parameter is expected */
gbinder_remote_request_init_reader(req, &reader);
g_assert(gbinder_reader_read_int32(&reader, &param));
g_assert_cmpuint(param, == ,TX_PARAM3);
g_assert(gbinder_reader_at_end(&reader));
*status = GBINDER_STATUS_OK;
return gbinder_local_reply_append_int32
(gbinder_local_object_new_reply(obj), TX_RESULT2);
}
static
void
test_obj2_reply(
GBinderClient* client,
GBinderRemoteReply* reply,
int status,
void* data)
{
GBinderReader reader;
gint32 result = 0;
TestObj* test = data;
GDEBUG("Reply 2 received");
/* Make sure that result got delivered intact */
gbinder_remote_reply_init_reader(reply, &reader);
g_assert(gbinder_reader_read_int32(&reader, &result));
g_assert(gbinder_reader_at_end(&reader));
g_assert_cmpint(result, == ,TX_RESULT2);
g_assert(!test->obj2_call_finished);
test->obj2_call_finished = TRUE;
if (test->obj_call_finished) {
GDEBUG("Both calls are done");
g_main_loop_quit(test->loop);
}
}
static
GBinderLocalReply*
test_obj_cb(
GBinderLocalObject* obj,
GBinderRemoteRequest* req,
guint code,
guint flags,
int* status,
void* user_data)
{
TestObj* test = user_data;
GBinderReader reader;
GBinderRemoteObject* obj2;
GBinderClient* client2;
GBinderLocalRequest* req2;
gint32 param = 0;
GDEBUG("Request 1 handled");
g_assert(!test->obj_call_handled);
test->obj_call_handled = TRUE;
g_assert(!flags);
g_assert(!g_strcmp0(gbinder_remote_request_interface(req), TEST_IFACE));
g_assert(code == TX_CODE);
/* Read parameters: TX_PARAM1, object, TX_PARAM2 */
gbinder_remote_request_init_reader(req, &reader);
g_assert(gbinder_reader_read_int32(&reader, &param));
g_assert_cmpuint(param, == ,TX_PARAM1);
g_assert((obj2 = gbinder_reader_read_object(&reader)));
g_assert(gbinder_reader_read_int32(&reader, &param));
g_assert_cmpuint(param, == ,TX_PARAM2);
g_assert(gbinder_reader_at_end(&reader));
/* Make sure temporary proxy won't get destroyed too early */
test->obj2 = test_binder_object(gbinder_driver_fd(obj->ipc->driver),
obj2->handle);
g_assert(test->obj2);
/* Call remote object */
client2 = gbinder_client_new(obj2, TEST_IFACE2);
req2 = gbinder_client_new_request(client2);
gbinder_local_request_append_int32(req2, TX_PARAM3);
gbinder_client_transact(client2, TX_CODE2, 0, req2, test_obj2_reply,
NULL, test);
gbinder_local_request_unref(req2);
gbinder_client_unref(client2);
gbinder_remote_object_unref(obj2);
*status = GBINDER_STATUS_OK;
return gbinder_local_reply_append_int32
(gbinder_local_object_new_reply(obj), TX_RESULT1);
}
static
void
test_obj_reply(
GBinderClient* client,
GBinderRemoteReply* reply,
int status,
void* data)
{
GBinderReader reader;
gint32 result = 0;
TestObj* test = data;
GDEBUG("Reply 1 received");
/* Make sure that result got delivered intact */
gbinder_remote_reply_init_reader(reply, &reader);
g_assert(gbinder_reader_read_int32(&reader, &result));
g_assert(gbinder_reader_at_end(&reader));
g_assert_cmpint(result, == ,TX_RESULT1);
g_assert(!test->obj_call_finished);
test->obj_call_finished = TRUE;
if (test->obj2_call_finished) {
GDEBUG("Both calls are done");
g_main_loop_quit(test->loop);
}
}
static
void
test_obj_run(
void)
{
TestConfig config;
TestObj test;
GBinderLocalObject* obj;
GBinderLocalObject* obj2;
GBinderProxyObject* proxy;
GBinderRemoteObject* remote_obj;
GBinderClient* client;
GBinderIpc* ipc_obj;
GBinderIpc* ipc_proxy;
GBinderLocalRequest* req;
int fd_obj, fd_proxy;
test_config_init(&config, NULL);
memset(&test, 0, sizeof(test));
test.loop = g_main_loop_new(NULL, FALSE);
ipc_proxy = gbinder_ipc_new(DEV2, NULL);
ipc_obj = gbinder_ipc_new(DEV, NULL);
fd_proxy = gbinder_driver_fd(ipc_proxy->driver);
fd_obj = gbinder_driver_fd(ipc_obj->driver);
obj = gbinder_local_object_new(ipc_obj, TEST_IFACES, test_obj_cb, &test);
GDEBUG("obj %p", obj);
remote_obj = gbinder_remote_object_new(ipc_obj,
test_binder_register_object(fd_obj, obj, AUTO_HANDLE),
REMOTE_OBJECT_CREATE_ALIVE);
g_assert((proxy = gbinder_proxy_object_new(ipc_proxy, remote_obj)));
GDEBUG("proxy %p", proxy);
client = gbinder_client_new(proxy->remote, TEST_IFACE);
/* Pass object reference via proxy */
obj2 = gbinder_local_object_new(ipc_obj, TEST_IFACES2, test_obj2_cb, &test);
GDEBUG("obj2 %p", obj2);
req = gbinder_client_new_request(client);
gbinder_local_request_append_int32(req, TX_PARAM1);
gbinder_local_request_append_local_object(req, obj2);
gbinder_local_request_append_int32(req, TX_PARAM2);
gbinder_client_transact(client, TX_CODE, 0, req, test_obj_reply,
NULL, &test);
gbinder_local_request_unref(req);
test_run(&test_opt, test.loop);
g_assert(test.obj_call_handled);
g_assert(test.obj_call_finished);
g_assert(test.obj2_call_handled);
g_assert(test.obj2_call_finished);
g_assert(test.obj2);
gbinder_local_object_unref(test.obj2);
test_binder_unregister_objects(fd_obj);
test_binder_unregister_objects(fd_proxy);
gbinder_local_object_drop(obj);
gbinder_local_object_drop(obj2);
gbinder_local_object_drop(&proxy->parent);
gbinder_remote_object_unref(remote_obj);
gbinder_client_unref(client);
gbinder_ipc_unref(ipc_obj);
gbinder_ipc_unref(ipc_proxy);
test_binder_exit_wait(&test_opt, test.loop);
test_config_deinit(&config);
g_main_loop_unref(test.loop);
}
static
void
test_obj(
void)
{
test_run_in_context(&test_opt, test_obj_run);
}
/*==========================================================================*
* Common
*==========================================================================*/
#define TEST_(t) "/proxy_object/" t
int main(int argc, char* argv[])
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
g_type_init();
G_GNUC_END_IGNORE_DEPRECATIONS;
g_test_init(&argc, &argv, NULL);
g_test_add_func(TEST_("null"), test_null);
g_test_add_func(TEST_("basic"), test_basic);
g_test_add_func(TEST_("param"), test_param);
g_test_add_func(TEST_("obj"), test_obj);
test_init(&test_opt, argc, argv);
return g_test_run();
}
/*
* Local Variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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