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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* This file is part of the PCEPlib, a PCEP protocol library.
*
* Copyright (C) 2020 Volta Networks https://voltanet.io/
*
* Author : Brady Johnson <brady@voltanet.io>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <netdb.h> // gethostbyname
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
#include <CUnit/CUnit.h>
#include "pcep_pcc_api.h"
#include "pcep_pcc_api_test.h"
#include "pcep_socket_comm_mock.h"
#include "pcep_utils_memory.h"
extern pcep_event_queue *session_logic_event_queue_;
extern const char MESSAGE_RECEIVED_STR[];
extern const char UNKNOWN_EVENT_STR[];
/*
* Test suite setup and teardown called before AND after the test suite.
*/
int pcep_pcc_api_test_suite_setup(void)
{
pceplib_memory_reset();
return 0;
}
int pcep_pcc_api_test_suite_teardown(void)
{
printf("\n");
pceplib_memory_dump();
return 0;
}
/*
* Test case setup and teardown called before AND after each test.
*/
void pcep_pcc_api_test_setup(void)
{
setup_mock_socket_comm_info();
}
void pcep_pcc_api_test_teardown(void)
{
teardown_mock_socket_comm_info();
}
/*
* Unit test cases
*/
void test_initialize_pcc(void)
{
CU_ASSERT_TRUE(initialize_pcc());
/* Give the PCC time to initialize */
sleep(1);
CU_ASSERT_TRUE(destroy_pcc());
}
void test_connect_pce(void)
{
pcep_configuration *config = create_default_pcep_configuration();
struct hostent *host_info = gethostbyname("localhost");
struct in_addr dest_address;
memcpy(&dest_address, host_info->h_addr, host_info->h_length);
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
initialize_pcc();
pcep_session *session = connect_pce(config, &dest_address);
CU_ASSERT_PTR_NOT_NULL(session);
CU_ASSERT_EQUAL(mock_info->sent_message_list->num_entries, 1);
/* 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);
assert(open_msg->msg_header != NULL);
CU_ASSERT_EQUAL(open_msg->msg_header->type, PCEP_TYPE_OPEN);
pcep_msg_free_message(open_msg);
destroy_pcep_session(session);
destroy_pcep_configuration(config);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
destroy_pcc();
}
void test_connect_pce_ipv6(void)
{
pcep_configuration *config = create_default_pcep_configuration();
struct in6_addr dest_address;
dest_address.__in6_u.__u6_addr32[0] = 0;
dest_address.__in6_u.__u6_addr32[1] = 0;
dest_address.__in6_u.__u6_addr32[2] = 0;
dest_address.__in6_u.__u6_addr32[3] = htonl(1);
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
initialize_pcc();
pcep_session *session = connect_pce_ipv6(config, &dest_address);
CU_ASSERT_PTR_NOT_NULL(session);
assert(session != NULL);
CU_ASSERT_TRUE(session->socket_comm_session->is_ipv6);
CU_ASSERT_EQUAL(mock_info->sent_message_list->num_entries, 1);
/* 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);
CU_ASSERT_EQUAL(open_msg->msg_header->type, PCEP_TYPE_OPEN);
pcep_msg_free_message(open_msg);
destroy_pcep_session(session);
destroy_pcep_configuration(config);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
destroy_pcc();
}
void test_connect_pce_with_src_ip(void)
{
pcep_configuration *config = create_default_pcep_configuration();
struct hostent *host_info = gethostbyname("localhost");
struct in_addr dest_address;
memcpy(&dest_address, host_info->h_addr, host_info->h_length);
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
config->src_ip.src_ipv4.s_addr = 0x0a0a0102;
initialize_pcc();
pcep_session *session = connect_pce(config, &dest_address);
CU_ASSERT_PTR_NOT_NULL(session);
CU_ASSERT_EQUAL(mock_info->sent_message_list->num_entries, 1);
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);
assert(open_msg->msg_header != NULL);
CU_ASSERT_EQUAL(open_msg->msg_header->type, PCEP_TYPE_OPEN);
pcep_msg_free_message(open_msg);
destroy_pcep_session(session);
destroy_pcep_configuration(config);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
destroy_pcc();
}
void test_disconnect_pce(void)
{
pcep_configuration *config = create_default_pcep_configuration();
struct hostent *host_info = gethostbyname("localhost");
struct in_addr dest_address;
memcpy(&dest_address, host_info->h_addr, host_info->h_length);
mock_socket_comm_info *mock_info = get_mock_socket_comm_info();
mock_info->send_message_save_message = true;
initialize_pcc();
pcep_session *session = connect_pce(config, &dest_address);
disconnect_pce(session);
CU_ASSERT_EQUAL(mock_info->sent_message_list->num_entries, 2);
/* First there should be an open message from connect_pce() */
uint8_t *encoded_msg =
dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
struct pcep_message *msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(msg);
assert(msg != NULL);
CU_ASSERT_EQUAL(msg->msg_header->type, PCEP_TYPE_OPEN);
pcep_msg_free_message(msg);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
/* Then there should be a close message from disconnect_pce() */
encoded_msg = dll_delete_first_node(mock_info->sent_message_list);
CU_ASSERT_PTR_NOT_NULL(encoded_msg);
msg = pcep_decode_message(encoded_msg);
CU_ASSERT_PTR_NOT_NULL(msg);
assert(msg != NULL);
assert(msg->msg_header != NULL);
CU_ASSERT_EQUAL(msg->msg_header->type, PCEP_TYPE_CLOSE);
pcep_msg_free_message(msg);
destroy_pcep_session(session);
destroy_pcep_configuration(config);
pceplib_free(PCEPLIB_MESSAGES, encoded_msg);
destroy_pcc();
}
void test_send_message(void)
{
pcep_configuration *config = create_default_pcep_configuration();
struct hostent *host_info = gethostbyname("localhost");
struct in_addr dest_address;
initialize_pcc();
memcpy(&dest_address, host_info->h_addr, host_info->h_length);
pcep_session *session = connect_pce(config, &dest_address);
verify_socket_comm_times_called(0, 0, 1, 1, 0, 0, 0);
struct pcep_message *msg = pcep_msg_create_keepalive();
send_message(session, msg, false);
verify_socket_comm_times_called(0, 0, 1, 2, 0, 0, 0);
pcep_msg_free_message(msg);
destroy_pcep_session(session);
destroy_pcep_configuration(config);
destroy_pcc();
}
void test_event_queue(void)
{
/* This initializes the event_queue */
CU_ASSERT_TRUE(initialize_pcc());
/* Verify correct behavior when the queue is empty */
CU_ASSERT_TRUE(event_queue_is_empty());
CU_ASSERT_EQUAL(event_queue_num_events_available(), 0);
CU_ASSERT_PTR_NULL(event_queue_get_event());
destroy_pcep_event(NULL);
/* Create an empty event and put it on the queue */
pcep_event *event = pceplib_malloc(PCEPLIB_INFRA, sizeof(pcep_event));
memset(event, 0, sizeof(pcep_event));
pthread_mutex_lock(&session_logic_event_queue_->event_queue_mutex);
queue_enqueue(session_logic_event_queue_->event_queue, event);
pthread_mutex_unlock(&session_logic_event_queue_->event_queue_mutex);
/* Verify correct behavior when there is an entry in the queue */
CU_ASSERT_FALSE(event_queue_is_empty());
CU_ASSERT_EQUAL(event_queue_num_events_available(), 1);
pcep_event *queued_event = event_queue_get_event();
CU_ASSERT_PTR_NOT_NULL(queued_event);
CU_ASSERT_PTR_EQUAL(event, queued_event);
destroy_pcep_event(queued_event);
CU_ASSERT_TRUE(destroy_pcc());
}
void test_get_event_type_str(void)
{
CU_ASSERT_EQUAL(strcmp(get_event_type_str(MESSAGE_RECEIVED),
MESSAGE_RECEIVED_STR),
0);
CU_ASSERT_EQUAL(strcmp(get_event_type_str(1000), UNKNOWN_EVENT_STR), 0);
}
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