/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vnet/session/application_namespace.h>
#include <vnet/session/application_interface.h>
#include <vnet/session/application.h>
#include <vnet/session/session.h>
#define SESSION_TEST_I(_cond, _comment, _args...) \
({ \
int _evald = (_cond); \
if (!(_evald)) { \
fformat(stderr, "FAIL:%d: " _comment "\n", \
__LINE__, ##_args); \
} else { \
fformat(stderr, "PASS:%d: " _comment "\n", \
__LINE__, ##_args); \
} \
_evald; \
})
#define SESSION_TEST(_cond, _comment, _args...) \
{ \
if (!SESSION_TEST_I(_cond, _comment, ##_args)) { \
return 1; \
} \
}
void
dummy_session_reset_callback (stream_session_t * s)
{
clib_warning ("called...");
}
int
dummy_session_connected_callback (u32 app_index, u32 api_context,
stream_session_t * s, u8 is_fail)
{
clib_warning ("called...");
return -1;
}
int
dummy_add_segment_callback (u32 client_index, const u8 * seg_name,
u32 seg_size)
{
clib_warning ("called...");
return -1;
}
int
dummy_redirect_connect_callback (u32 client_index, void *mp)
{
return VNET_API_ERROR_SESSION_REDIRECT;
}
void
dummy_session_disconnect_callback (stream_session_t * s)
{
clib_warning ("called...");
}
int
dummy_session_accept_callback (stream_session_t * s)
{
clib_warning ("called...");
return -1;
}
int
dummy_server_rx_callback (stream_session_t * s)
{
clib_warning ("called...");
return -1;
}
/* *INDENT-OFF* */
static session_cb_vft_t dummy_session_cbs = {
.session_reset_callback = dummy_session_reset_callback,
.session_connected_callback = dummy_session_connected_callback,
.session_accept_callback = dummy_session_accept_callback,
.session_disconnect_callback = dummy_session_disconnect_callback,
.builtin_server_rx_callback = dummy_server_rx_callback,
.redirect_connect_callback = dummy_redirect_connect_callback,
};
/* *INDENT-ON* */
static int
session_test_namespace (vlib_main_t * vm, unformat_input_t * input)
{
u64 options[SESSION_OPTIONS_N_OPTIONS], dummy_secret = 1234;
u32 server_index, server_st_index, server_local_st_index;
u32 dummy_port = 1234, local_listener, client_index;
u32 dummy_api_context = 4321, dummy_client_api_index = 1234;
u32 dummy_server_api_index = ~0, sw_if_index = 0;
session_endpoint_t server_sep = SESSION_ENDPOINT_NULL;
session_endpoint_t client_sep = SESSION_ENDPOINT_NULL;
session_endpoint_t intf_sep = SESSION_ENDPOINT_NULL;
clib_error_t *error = 0;
u8 *ns_id = format (0, "appns1"), intf_mac[6];
app_namespace_t *app_ns;
u8 segment_name[128];
application_t *server;
stream_session_t *s;
int code;
server_sep.is_ip4 = 1;
server_sep.port = dummy_port;
client_sep.is_ip4 = 1;
client_sep.port = dummy_port;
memset (options, 0, sizeof (options));
memset (intf_mac, 0, sizeof (intf_mac));
options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_BUILTIN_APP;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
vnet_app_attach_args_t attach_args = {
.api_client_index = ~0,
.options = options,
.namespace_id = 0,
.session_cb_vft = &dummy_session_cbs,
.segment_name = segment_name,
};
vnet_bind_args_t bind_args = {
.sep = server_sep,
.app_index = 0,
};
vnet_connect_args_t connect_args = {
.sep = client_sep,
.app_index = 0,
.api_context = 0,
};
vnet_unbind_args_t unbind_args = {
.handle = bind_args.handle,
.app_index = 0,
};
vnet_app_detach_args_t detach_args = {
.app_index = 0,
};
ip4_address_t intf_addr = {
.as_u32 = clib_host_to_net_u32 (0x06000105),
};
intf_sep.ip.ip4 = intf_addr;
intf_sep.is_ip4 = 1;
intf_sep.port = dummy_port;
/*
* Insert namespace and lookup
*/
vnet_app_namespace_add_del_args_t ns_args = {
.ns_id = ns_id,
.secret = dummy_secret,
.sw_if_index = APP_NAMESPACE_INVALID_INDEX,
.is_add = 1
};
error = vnet_app_namespace_add_del (&ns_args);
SESSION_TEST ((error == 0), "app ns insertion should succeed: %d",
clib_error_get_code (error));
app_ns = app_namespace_get_from_id (ns_id);
SESSION_TEST ((app_ns != 0), "should find ns %v status", ns_id);
SESSION_TEST ((app_ns->ns_secret == dummy_secret), "secret should be %d",
dummy_secret);
SESSION_TEST ((app_ns->sw_if_index == APP_NAMESPACE_INVALID_INDEX),
"sw_if_index should be invalid");
/*
* Try application attach with wrong secret
*/
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret - 1;
attach_args.namespace_id = ns_id;
attach_args.api_client_index = dummy_server_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error != 0), "app attachment should fail");
code = clib_error_get_code (error);
SESSION_TEST ((code == VNET_API_ERROR_APP_WRONG_NS_SECRET),
"code should be wrong ns secret: %d", code);
/*
* Attach server with global default scope
*/
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
options[APP_OPTIONS_NAMESPACE_SECRET] = 0;
attach_args.namespace_id = 0;
attach_args.api_client_index = dummy_server_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "server attachment should work");
server_index = attach_args.app_index;
server = application_get (server_index);
SESSION_TEST ((server->ns_index == 0),
"server should be in the default ns");
bind_args.app_index = server_index;
error = vnet_bind (&bind_args);
SESSION_TEST ((error == 0), "server bind should work");
server_st_index = application_session_table (server, FIB_PROTOCOL_IP4);
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s != 0), "listener should exist in global table");
SESSION_TEST ((s->app_index == server_index), "app_index should be that of "
"the server");
server_local_st_index = application_local_session_table (server);
SESSION_TEST ((server_local_st_index == APP_INVALID_INDEX),
"server shouldn't have access to local table");
unbind_args.app_index = server_index;
error = vnet_unbind (&unbind_args);
SESSION_TEST ((error == 0), "unbind should work");
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s == 0), "listener should not exist in global table");
detach_args.app_index = server_index;
vnet_application_detach (&detach_args);
/*
* Attach server with local and global scope
*/
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret;
attach_args.namespace_id = ns_id;
attach_args.api_client_index = dummy_server_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "server attachment should work");
server_index = attach_args.app_index;
server = application_get (server_index);
SESSION_TEST ((server->ns_index == app_namespace_index (app_ns)),
"server should be in the right ns");
bind_args.app_index = server_index;
error = vnet_bind (&bind_args);
SESSION_TEST ((error == 0), "bind should work");
server_st_index = application_session_table (server, FIB_PROTOCOL_IP4);
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s != 0), "listener should exist in global table");
SESSION_TEST ((s->app_index == server_index), "app_index should be that of "
"the server");
server_local_st_index = application_local_session_table (server);
local_listener = session_lookup_session_endpoint (server_local_st_index,
&server_sep);
SESSION_TEST ((local_listener != SESSION_INVALID_INDEX),
"listener should exist in local table");
/*
* Try client connect with 1) local scope 2) global scope
*/
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
attach_args.api_client_index = dummy_client_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "client attachment should work");
client_index = attach_args.app_index;
connect_args.api_context = dummy_api_context;
connect_args.app_index = client_index;
error = vnet_connect (&connect_args);
SESSION_TEST ((error != 0), "client connect should return error code");
code = clib_error_get_code (error);
SESSION_TEST ((code == VNET_API_ERROR_INVALID_VALUE),
"error code should be invalid value (zero ip)");
connect_args.sep.ip.ip4.as_u8[0] = 127;
error = vnet_connect (&connect_args);
SESSION_TEST ((error != 0), "client connect should return error code");
code = clib_error_get_code (error);
SESSION_TEST ((code == VNET_API_ERROR_SESSION_REDIRECT),
"error code should be redirect");
detach_args.app_index = client_index;
vnet_application_detach (&detach_args);
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
attach_args.api_client_index = dummy_client_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "client attachment should work");
error = vnet_connect (&connect_args);
SESSION_TEST ((error != 0), "client connect should return error code");
code = clib_error_get_code (error);
SESSION_TEST ((code == VNET_API_ERROR_SESSION_CONNECT),
"error code should be connect (nothing in local scope)");
detach_args.app_index = client_index;
vnet_application_detach (&detach_args);
/*
* Unbind and detach server and then re-attach with local scope only
*/
unbind_args.handle = bind_args.handle;
unbind_args.app_index = server_index;
error = vnet_unbind (&unbind_args);
SESSION_TEST ((error == 0), "unbind should work");
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s == 0), "listener should not exist in global table");
local_listener = session_lookup_session_endpoint (server_local_st_index,
&server_sep);
SESSION_TEST ((s == 0), "listener should not exist in local table");
detach_args.app_index = server_index;
vnet_application_detach (&detach_args);
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
attach_args.api_client_index = dummy_server_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "app attachment should work");
server_index = attach_args.app_index;
server = application_get (server_index);
SESSION_TEST ((server->ns_index == app_namespace_index (app_ns)),
"app should be in the right ns");
bind_args.app_index = server_index;
error = vnet_bind (&bind_args);
SESSION_TEST ((error == 0), "bind should work");
server_st_index = application_session_table (server, FIB_PROTOCOL_IP4);
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s == 0), "listener should not exist in global table");
server_local_st_index = application_local_session_table (server);
local_listener = session_lookup_session_endpoint (server_local_st_index,
&server_sep);
SESSION_TEST ((local_listener != SESSION_INVALID_INDEX),
"listener should exist in local table");
unbind_args.handle = bind_args.handle;
error = vnet_unbind (&unbind_args);
SESSION_TEST ((error == 0), "unbind should work");
local_listener = session_lookup_session_endpoint (server_local_st_index,
&server_sep);
SESSION_TEST ((local_listener == SESSION_INVALID_INDEX),
"listener should not exist in local table");
/*
* Client attach + connect in default ns with local scope
*/
options[APP_OPTIONS_FLAGS] &= ~APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
attach_args.namespace_id = 0;
attach_args.api_client_index = dummy_client_api_index;
vnet_application_attach (&attach_args);
error = vnet_connect (&connect_args);
SESSION_TEST ((error != 0), "client connect should return error code");
code = clib_error_get_code (error);
SESSION_TEST ((code == VNET_API_ERROR_SESSION_CONNECT),
"error code should be connect (not in same ns)");
detach_args.app_index = client_index;
vnet_application_detach (&detach_args);
/*
* Detach server
*/
detach_args.app_index = server_index;
vnet_application_detach (&detach_args);
/*
* Create loopback interface
*/
if (vnet_create_loopback_interface (&sw_if_index, intf_mac, 0, 0))
{
clib_warning ("couldn't create loopback. stopping the test!");
return 0;
}
vnet_sw_interface_set_flags (vnet_get_main (), sw_if_index,
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
ip4_add_del_interface_address (vlib_get_main (), sw_if_index, &intf_addr,
24, 0);
/*
* Update namespace
*/
ns_args.sw_if_index = sw_if_index;
error = vnet_app_namespace_add_del (&ns_args);
SESSION_TEST ((error == 0), "app ns insertion should succeed: %d",
clib_error_get_code (error));
/*
* Attach server with local and global scope
*/
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
options[APP_OPTIONS_NAMESPACE_SECRET] = dummy_secret;
attach_args.namespace_id = ns_id;
attach_args.api_client_index = dummy_server_api_index;
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "server attachment should work");
server_index = attach_args.app_index;
bind_args.app_index = server_index;
error = vnet_bind (&bind_args);
server_st_index = application_session_table (server, FIB_PROTOCOL_IP4);
s = session_lookup_listener (server_st_index, &server_sep);
SESSION_TEST ((s == 0), "zero listener should not exist in global table");
s = session_lookup_listener (server_st_index, &intf_sep);
SESSION_TEST ((s != 0), "intf listener should exist in global table");
SESSION_TEST ((s->app_index == server_index), "app_index should be that of "
"the server");
server_local_st_index = application_local_session_table (server);
local_listener = session_lookup_session_endpoint (server_local_st_index,
&server_sep);
SESSION_TEST ((local_listener != SESSION_INVALID_INDEX),
"zero listener should exist in local table");
detach_args.app_index = server_index;
vnet_application_detach (&detach_args);
/*
* Cleanup
*/
vec_free (ns_id);
vnet_delete_loopback_interface (sw_if_index);
return 0;
}
static clib_error_t *
session_test (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd_arg)
{
int res = 0;
vnet_session_enable_disable (vm, 1);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "namespace"))
{
res = session_test_namespace (vm, input);
}
else
break;
}
if (res)
return clib_error_return (0, "Session unit test failed");
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (tcp_test_command, static) =
{
.path = "test session",
.short_help = "internal session unit tests",
.function = session_test,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
