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/*
* This file is part of the PCEPlib, a PCEP protocol library.
*
* Copyright (C) 2020 Volta Networks https://voltanet.io/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* Author : Brady Johnson <brady@voltanet.io>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <CUnit/CUnit.h>
#include "pcep_socket_comm_mock.h"
#include "pcep_session_logic.h"
#include "pcep_session_logic_test.h"
/*
* Test suite setup and teardown called before AND after the test suite.
*/
int pcep_session_logic_test_suite_setup(void)
{
pceplib_memory_reset();
return 0;
}
int pcep_session_logic_test_suite_teardown(void)
{
printf("\n");
pceplib_memory_dump();
return 0;
}
/*
* Test case setup and teardown called before AND after each test.
*/
void pcep_session_logic_test_setup()
{
setup_mock_socket_comm_info();
}
void pcep_session_logic_test_teardown()
{
stop_session_logic();
teardown_mock_socket_comm_info();
}
/*
* Test cases
*/
void test_run_stop_session_logic()
{
CU_ASSERT_TRUE(run_session_logic());
CU_ASSERT_TRUE(stop_session_logic());
}
void test_run_session_logic_twice()
{
CU_ASSERT_TRUE(run_session_logic());
CU_ASSERT_FALSE(run_session_logic());
}
void test_session_logic_without_run()
{
/* Verify the functions that depend on run_session_logic() being called
*/
CU_ASSERT_FALSE(stop_session_logic());
}
void test_create_pcep_session_null_params()
{
pcep_configuration config;
struct in_addr pce_ip;
CU_ASSERT_PTR_NULL(create_pcep_session(NULL, NULL));
CU_ASSERT_PTR_NULL(create_pcep_session(NULL, &pce_ip));
CU_ASSERT_PTR_NULL(create_pcep_session(&config, NULL));
}
void test_create_destroy_pcep_session()
{
pcep_session *session;
pcep_configuration config;
struct in_addr pce_ip;
run_session_logic();
memset(&config, 0, sizeof(pcep_configuration));
config.keep_alive_seconds = 5;
config.dead_timer_seconds = 5;
config.request_time_seconds = 5;
config.max_unknown_messages = 5;
config.max_unknown_requests = 5;
inet_pton(AF_INET, "127.0.0.1", &(pce_ip));
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
session = create_pcep_session(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
/* What gets saved in the mock is the msg byte buffer. The msg struct
* was deleted when it was sent. Instead of inspecting the msg byte
* buffer, lets just decode it. */
uint8_t *encoded_msg =
dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
struct pcep_message *open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
assert(open_msg != NULL);
/* Should be an Open, with no TLVs: length = 12 */
CU_ASSERT_EQUAL(open_msg->msg_header->type, PCEP_TYPE_OPEN);
CU_ASSERT_EQUAL(open_msg->encoded_message_length, 12);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
stop_session_logic();
}
void test_create_destroy_pcep_session_ipv6()
{
pcep_session *session;
pcep_configuration config;
struct in6_addr pce_ip;
run_session_logic();
memset(&config, 0, sizeof(pcep_configuration));
config.keep_alive_seconds = 5;
config.dead_timer_seconds = 5;
config.request_time_seconds = 5;
config.max_unknown_messages = 5;
config.max_unknown_requests = 5;
config.is_src_ipv6 = true;
inet_pton(AF_INET6, "::1", &pce_ip);
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
session = create_pcep_session_ipv6(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
assert(session != NULL);
CU_ASSERT_TRUE(session->socket_comm_session->is_ipv6);
/* What gets saved in the mock is the msg byte buffer. The msg struct
* was deleted when it was sent. Instead of inspecting the msg byte
* buffer, lets just decode it. */
uint8_t *encoded_msg =
dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
struct pcep_message *open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
assert(open_msg != NULL);
/* Should be an Open, with no TLVs: length = 12 */
CU_ASSERT_EQUAL(open_msg->msg_header->type, PCEP_TYPE_OPEN);
CU_ASSERT_EQUAL(open_msg->encoded_message_length, 12);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
stop_session_logic();
}
void test_create_pcep_session_open_tlvs()
{
pcep_session *session;
struct in_addr pce_ip;
struct pcep_message *open_msg;
struct pcep_object_header *open_obj;
pcep_configuration config;
memset(&config, 0, sizeof(pcep_configuration));
config.pcep_msg_versioning = create_default_pcep_versioning();
inet_pton(AF_INET, "127.0.0.1", &(pce_ip));
run_session_logic();
/* Verify the created Open message only has 1 TLV:
* pcep_tlv_create_stateful_pce_capability() */
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
config.support_stateful_pce_lsp_update = true;
config.pcep_msg_versioning->draft_ietf_pce_segment_routing_07 = false;
config.support_sr_te_pst = false;
session = create_pcep_session(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
/* Get and verify the Open Message */
uint8_t *encoded_msg =
dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
assert(open_msg != NULL);
/* Get and verify the Open Message objects */
CU_ASSERT_PTR_NOT_NULL(open_msg->obj_list);
assert(open_msg->obj_list != NULL);
CU_ASSERT_TRUE(open_msg->obj_list->num_entries > 0);
/* Get and verify the Open object */
open_obj = pcep_obj_get(open_msg->obj_list, PCEP_OBJ_CLASS_OPEN);
CU_ASSERT_PTR_NOT_NULL(open_obj);
/* Get and verify the Open object TLVs */
CU_ASSERT_PTR_NOT_NULL(open_obj->tlv_list);
assert(open_obj->tlv_list != NULL);
CU_ASSERT_EQUAL(open_obj->tlv_list->num_entries, 1);
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)
open_obj->tlv_list->head->data)
->type,
PCEP_OBJ_TLV_TYPE_STATEFUL_PCE_CAPABILITY);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
/* Verify the created Open message only has 2 TLVs:
* pcep_tlv_create_stateful_pce_capability()
* pcep_tlv_create_lsp_db_version() */
reset_mock_socket_comm_info();
mock_info->send_message_save_message = true;
config.support_include_db_version = true;
config.lsp_db_version = 100;
session = create_pcep_session(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
/* Get and verify the Open Message */
encoded_msg = dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
/* Get and verify the Open Message objects */
CU_ASSERT_PTR_NOT_NULL(open_msg->obj_list);
assert(open_msg != NULL);
CU_ASSERT_TRUE(open_msg->obj_list->num_entries > 0);
/* Get and verify the Open object */
open_obj = pcep_obj_get(open_msg->obj_list, PCEP_OBJ_CLASS_OPEN);
CU_ASSERT_PTR_NOT_NULL(open_obj);
/* Get and verify the Open object TLVs */
CU_ASSERT_PTR_NOT_NULL(open_obj->tlv_list);
assert(open_obj->tlv_list != NULL);
CU_ASSERT_EQUAL(open_obj->tlv_list->num_entries, 2);
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)
open_obj->tlv_list->head->data)
->type,
PCEP_OBJ_TLV_TYPE_STATEFUL_PCE_CAPABILITY);
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)
open_obj->tlv_list->head->next_node->data)
->type,
PCEP_OBJ_TLV_TYPE_LSP_DB_VERSION);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
/* Verify the created Open message only has 4 TLVs:
* pcep_tlv_create_stateful_pce_capability()
* pcep_tlv_create_lsp_db_version()
* pcep_tlv_create_sr_pce_capability()
* pcep_tlv_create_path_setup_type_capability() */
reset_mock_socket_comm_info();
mock_info->send_message_save_message = true;
config.support_sr_te_pst = true;
session = create_pcep_session(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
/* Get and verify the Open Message */
encoded_msg = dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
assert(open_msg != NULL);
/* Get and verify the Open Message objects */
CU_ASSERT_PTR_NOT_NULL(open_msg->obj_list);
assert(open_msg->obj_list != NULL);
CU_ASSERT_TRUE(open_msg->obj_list->num_entries > 0);
/* Get and verify the Open object */
open_obj = pcep_obj_get(open_msg->obj_list, PCEP_OBJ_CLASS_OPEN);
CU_ASSERT_PTR_NOT_NULL(open_obj);
/* Get and verify the Open object TLVs */
CU_ASSERT_PTR_NOT_NULL(open_obj->tlv_list);
assert(open_obj->tlv_list != NULL);
CU_ASSERT_EQUAL(open_obj->tlv_list->num_entries, 3);
double_linked_list_node *tlv_node = open_obj->tlv_list->head;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_STATEFUL_PCE_CAPABILITY);
tlv_node = tlv_node->next_node;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_LSP_DB_VERSION);
tlv_node = tlv_node->next_node;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_PATH_SETUP_TYPE_CAPABILITY);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
/* Verify the created Open message only has 4 TLVs:
* pcep_tlv_create_stateful_pce_capability()
* pcep_tlv_create_lsp_db_version()
* pcep_tlv_create_sr_pce_capability()
* pcep_tlv_create_path_setup_type_capability() */
reset_mock_socket_comm_info();
mock_info->send_message_save_message = true;
config.pcep_msg_versioning->draft_ietf_pce_segment_routing_07 = true;
session = create_pcep_session(&config, &pce_ip);
CU_ASSERT_PTR_NOT_NULL(session);
/* Get and verify the Open Message */
encoded_msg = dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
assert(encoded_msg != NULL);
open_msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(open_msg);
assert(open_msg != NULL);
/* Get and verify the Open Message objects */
CU_ASSERT_PTR_NOT_NULL(open_msg->obj_list);
assert(open_msg->obj_list != NULL);
CU_ASSERT_TRUE(open_msg->obj_list->num_entries > 0);
/* Get and verify the Open object */
open_obj = pcep_obj_get(open_msg->obj_list, PCEP_OBJ_CLASS_OPEN);
CU_ASSERT_PTR_NOT_NULL(open_obj);
assert(open_obj != NULL);
/* Get and verify the Open object TLVs */
CU_ASSERT_PTR_NOT_NULL(open_obj->tlv_list);
assert(open_obj->tlv_list != NULL);
CU_ASSERT_EQUAL(open_obj->tlv_list->num_entries, 4);
tlv_node = open_obj->tlv_list->head;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_STATEFUL_PCE_CAPABILITY);
tlv_node = tlv_node->next_node;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_LSP_DB_VERSION);
tlv_node = tlv_node->next_node;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_SR_PCE_CAPABILITY);
tlv_node = tlv_node->next_node;
CU_ASSERT_EQUAL(((struct pcep_object_tlv_header *)tlv_node->data)->type,
PCEP_OBJ_TLV_TYPE_PATH_SETUP_TYPE_CAPABILITY);
destroy_pcep_versioning(config.pcep_msg_versioning);
destroy_pcep_session(session);
pcep_msg_free_message(open_msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
stop_session_logic();
}
void test_destroy_pcep_session_null_session()
{
/* Just testing that it does not core dump */
destroy_pcep_session(NULL);
}
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