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/*
* Copyright (c) 2021 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 <gtest/gtest.h>
#include <gmock/gmock.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <netinet/in.h>
extern "C" {
#define WITH_TESTS
#include <hicn/core/listener_table.h>
#include <hicn/util/log.h>
#include <hicn/validation.h>
}
#define LISTENER_NAME "listener_name"
#define LISTENER_NAME_2 "listener_name_2"
class ListenerTableTest : public ::testing::Test {
protected:
ListenerTableTest() {
assert(is_symbolic_name(LISTENER_NAME, SYMBOLIC_NAME_LEN));
assert(is_symbolic_name(LISTENER_NAME_2, SYMBOLIC_NAME_LEN));
log_conf.log_level = LOG_INFO;
listener_table_ = listener_table_create();
key_ = listener_key_factory(_ADDRESS4_LOCALHOST(1), FACE_TYPE_UDP_LISTENER);
}
virtual ~ListenerTableTest() { listener_table_free(listener_table_); }
listener_table_t *listener_table_;
listener_t *listener_;
listener_key_t key_;
};
TEST_F(ListenerTableTest, CreateTable) {
// Check listener_table allocation
EXPECT_NE(listener_table_, nullptr);
// Check listener_table size
size_t listener_table_size = listener_table_len(listener_table_);
EXPECT_EQ(listener_table_size, (size_t)0);
}
TEST_F(ListenerTableTest, AddListener) {
// Add listener to listener table
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
size_t listener_table_size = listener_table_len(listener_table_);
EXPECT_EQ(listener_table_size, (size_t)1);
EXPECT_NE(listener_, nullptr);
// Get listener by name and by key
khiter_t k_name = kh_get_lt_name(listener_table_->id_by_name, LISTENER_NAME);
EXPECT_NE(k_name, kh_end(listener_table_->id_by_name));
khiter_t k_key = kh_get_lt_key(listener_table_->id_by_key, &key_);
EXPECT_NE(k_key, kh_end(listener_table_->id_by_key));
}
TEST_F(ListenerTableTest, GetListener) {
// Add listener to listener table
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
size_t listener_table_size = listener_table_len(listener_table_);
EXPECT_EQ(listener_table_size, (size_t)1);
ASSERT_NE(listener_, nullptr);
// Get listener by name
listener_t *listener_retrieved =
listener_table_get_by_name(listener_table_, LISTENER_NAME);
ASSERT_NE(listener_retrieved, nullptr);
EXPECT_EQ(listener_retrieved, listener_);
// Get listener by key
listener_retrieved = listener_table_get_by_key(listener_table_, &key_);
ASSERT_NE(listener_retrieved, nullptr);
EXPECT_EQ(listener_retrieved, listener_);
}
TEST_F(ListenerTableTest, GetListenerWithIdOutOfRange) {
listener_t *listener = _listener_table_get_by_id(listener_table_, ~0);
EXPECT_EQ(listener, nullptr);
}
TEST_F(ListenerTableTest, GetListenerWithInvalidId) {
// First listener inserted has always id equal to 0
int non_valid_id = 5;
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
listener_t *listener_not_found =
listener_table_get_by_id(listener_table_, non_valid_id);
ASSERT_EQ(listener_not_found, nullptr);
}
TEST_F(ListenerTableTest, GetListenerWithValidId) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
int id = listener_table_get_listener_id(listener_table_, listener_);
listener_t *listener_found = listener_table_get_by_id(listener_table_, id);
ASSERT_EQ(listener_found, listener_);
}
TEST_F(ListenerTableTest, GetListenerIdFromValidName) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
int id = listener_table_get_id_by_name(listener_table_, LISTENER_NAME);
ASSERT_TRUE(listener_id_is_valid(id));
}
TEST_F(ListenerTableTest, GetListenerIdFromInvalidName) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
int id = listener_table_get_id_by_name(listener_table_, LISTENER_NAME_2);
ASSERT_FALSE(listener_id_is_valid(id));
}
TEST_F(ListenerTableTest, RemoveListener) {
// Add listener (listerner name and key must be set)
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
listener_->name = (char *)LISTENER_NAME;
listener_->key = key_;
// Remove listener
int id = listener_table_get_listener_id(listener_table_, listener_);
listener_table_remove_by_id(listener_table_, id);
// Check listener table size
size_t listener_table_size = listener_table_len(listener_table_);
EXPECT_EQ(listener_table_size, (size_t)0);
// Check that previous listener is not valid anymore
listener_t *listener_not_found =
listener_table_get_by_id(listener_table_, id);
EXPECT_EQ(listener_not_found, nullptr);
listener_not_found =
listener_table_get_by_name(listener_table_, LISTENER_NAME);
EXPECT_EQ(listener_not_found, nullptr);
listener_not_found = listener_table_get_by_key(listener_table_, &key_);
EXPECT_EQ(listener_not_found, nullptr);
}
TEST_F(ListenerTableTest, PrintTable) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
// Insert an additional listener
listener_key_t key_2 =
listener_key_factory(_ADDRESS4_LOCALHOST(2), FACE_TYPE_TCP_LISTENER);
listener_t *listener_2 =
listener_table_allocate(listener_table_, &key_2, LISTENER_NAME_2);
listener_2->type = FACE_TYPE_UDP_LISTENER;
testing::internal::CaptureStdout();
listener_table_print_by_key(listener_table_);
std::string std_out = testing::internal::GetCapturedStdout();
ASSERT_NE(std_out, "");
EXPECT_THAT(std_out, testing::HasSubstr("127.0.0.1:1"));
EXPECT_THAT(std_out, testing::HasSubstr("127.0.0.1:2"));
}
TEST_F(ListenerTableTest, AddMultipleListeners) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
// Insert an additional listener
listener_key_t key_2 =
listener_key_factory(_ADDRESS4_LOCALHOST(2), FACE_TYPE_TCP_LISTENER);
listener_t *listener_2 =
listener_table_allocate(listener_table_, &key_2, LISTENER_NAME_2);
listener_2->type = FACE_TYPE_UDP_LISTENER;
// Check listener table size
size_t listener_table_size = listener_table_len(listener_table_);
EXPECT_EQ(listener_table_size, (size_t)2);
listener_t *l1 = listener_table_get_by_name(listener_table_, LISTENER_NAME);
ASSERT_NE(l1, nullptr);
listener_t *l2 = listener_table_get_by_name(listener_table_, LISTENER_NAME_2);
ASSERT_NE(l2, nullptr);
EXPECT_NE(l1, l2);
}
TEST_F(ListenerTableTest, Iterate) {
listener_ = listener_table_allocate(listener_table_, &key_, LISTENER_NAME);
listener_->type = FACE_TYPE_UDP_LISTENER;
listener_->key = key_;
// Insert an additional listener
listener_key_t key_2 =
listener_key_factory(_ADDRESS4_LOCALHOST(2), FACE_TYPE_TCP_LISTENER);
listener_t *listener_2 =
listener_table_allocate(listener_table_, &key_2, LISTENER_NAME_2);
listener_2->type = FACE_TYPE_UDP_LISTENER;
listener_2->key = key_2;
// Iterate over the listener table and count the listeners
int count = 0;
listener_table_foreach(listener_table_, l, { count++; });
EXPECT_EQ(count, 2);
// Iterate over the listener table and check the listeners
char addr_str[NI_MAXHOST];
int port;
testing::internal::CaptureStdout();
listener_table_foreach(listener_table_, l, {
address_to_string(&l->address, addr_str, &port);
printf("%s\t%s:%d\n", face_type_str(l->type), addr_str, port);
});
std::string std_out = testing::internal::GetCapturedStdout();
ASSERT_NE(std_out, "");
EXPECT_THAT(std_out, testing::HasSubstr("127.0.0.1:1"));
EXPECT_THAT(std_out, testing::HasSubstr("127.0.0.1:2"));
EXPECT_THAT(std_out, testing::HasSubstr("UDP"));
EXPECT_THAT(std_out, testing::HasSubstr("TCP"));
}
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