stellar-stellar/infra/session_manager/test/gtest_timeout_tcp_data.cpp

#include <gtest/gtest.h>

#include "tuple.h"
#include "packet_private.h"
#include "packet_parser.h"
#include "session_private.h"
#include "session_manager.h"
#include "test_packets.h"

struct session_manager_config cfg = {
    // max session number
    .max_tcp_session_num = 256,
    .max_udp_session_num = 256,

    // session overload
    .tcp_overload_evict_old_sess = 1, // 1: evict old session, 0: bypass new session
    .udp_overload_evict_old_sess = 1, // 1: evict old session, 0: bypass new session

    // tcp timeout
    .tcp_init_timeout_ms = 1,
    .tcp_handshake_timeout_ms = 2,
    .tcp_data_timeout_ms = 3,
    .tcp_half_closed_timeout_ms = 4,
    .tcp_time_wait_timeout_ms = 5,
    .tcp_discard_timeout_ms = 6,
    .tcp_unverified_rst_timeout_ms = 7,

    // udp timeout
    .udp_data_timeout_ms = 8,
    .udp_discard_timeout_ms = 0,

    // limit
    .session_expire_polling_interval_ms = 0,
    .session_expire_polling_limit = 1024,

    // duplicate packet filter
    .duplicated_packet_filter_enable = 1,
    .duplicated_packet_filter_capacity = 1000,
    .duplicated_packet_filter_timeout_ms = 10,
    .duplicated_packet_filter_error_rate = 0.0001,

    // evicted session filter
    .evicted_session_filter_enable = 1,
    .evicted_session_filter_capacity = 1000,
    .evicted_session_filter_timeout_ms = 10,
    .evicted_session_filter_error_rate = 0.0001,

    // TCP Reassembly
    .tcp_reassembly_enable = 1,
    .tcp_reassembly_max_timeout_ms = 60000,
    .tcp_reassembly_max_segments = 16,
};

static uint64_t session_id_generator(uint64_t now_ms __attribute__((unused)))
{
    static uint64_t count = 0;
    return (++count);
}

#if 1
TEST(TIMEOUT, TCP_TIMEOUT_DATA)
{
    struct packet pkt;
    struct session *sess = NULL;
    struct session_manager *mgr = NULL;

    mgr = session_manager_new(&cfg, 1);
    EXPECT_TRUE(mgr != NULL);
    session_manager_set_session_id_generator(mgr, session_id_generator);

    // C2S SYN Packet
    printf("\n=> Packet Parse: TCP C2S SYN packet\n");
    memset(&pkt, 0, sizeof(pkt));
    packet_parse(&pkt, (const char *)tcp_pkt1_c2s_syn, sizeof(tcp_pkt1_c2s_syn));
    printf("<= Packet Parse: done\n\n");

    // lookup session
    EXPECT_TRUE(session_manager_lookup_session_by_packet(mgr, &pkt) == NULL);
    // new session
    sess = session_manager_new_session(mgr, &pkt, 1);
    EXPECT_TRUE(sess);

    // C2S DATA Packet
    printf("\n=> Packet Parse: TCP C2S DATA packet\n");
    memset(&pkt, 0, sizeof(pkt));
    packet_parse(&pkt, (const char *)tcp_pkt4_c2s_http_req, sizeof(tcp_pkt4_c2s_http_req));
    printf("<= Packet Parse: done\n\n");

    // lookup session
    sess = session_manager_lookup_session_by_packet(mgr, &pkt);
    EXPECT_TRUE(sess);
    // update session
    EXPECT_TRUE(session_manager_update_session(mgr, sess, &pkt, 2) == 0);

    // expire session
    EXPECT_TRUE(session_manager_get_expired_session(mgr, 2 + cfg.tcp_data_timeout_ms) == NULL);
    sess = session_manager_get_expired_session(mgr, 2 + cfg.tcp_data_timeout_ms + cfg.tcp_data_timeout_ms);
    EXPECT_TRUE(sess);
    EXPECT_TRUE(session_get_current_state(sess) == SESSION_STATE_CLOSED);
    EXPECT_TRUE(session_get_closing_reason(sess) == CLOSING_BY_TIMEOUT);
    session_print(sess);
    // free session
    session_manager_free_session(mgr, sess);

    session_manager_free(mgr);
}
#endif

int main(int argc, char **argv)
{
    ::testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}