#include <gtest/gtest.h>

#include "session.h"
#include "session_manager.h"

#include "test_packets.h"

struct session_manager_options opts = {
    // 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_timeout_init = 1,
    .tcp_timeout_handshake = 2,
    .tcp_timeout_data = 3,
    .tcp_timeout_half_closed = 4,
    .tcp_timeout_time_wait = 5,
    .tcp_timeout_discard = 6,

    // udp timeout
    .udp_timeout_data = 7,

    // duplicate packet filter
    .duplicated_packet_filter_enable = 1,
    .duplicated_packet_filter_capacity = 1000,
    .duplicated_packet_filter_timeout = 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 = 10,
    .evicted_session_filter_error_rate = 0.0001,
};

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

    mgr = session_manager_new(&opts, 1);
    EXPECT_TRUE(mgr != NULL);

    // C2S SYN Packet
    printf("\n=> Packet Parse: TCP C2S SYN packet\n");
    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(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");
    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(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 + opts.tcp_timeout_data) == NULL);
    sess = session_manager_get_expired_session(mgr, 2 + opts.tcp_timeout_data + opts.tcp_timeout_time_wait);
    EXPECT_TRUE(sess);
    EXPECT_TRUE(session_get_state(sess) == SESSION_STATE_CLOSED);
    EXPECT_TRUE(session_get_closing_reason(sess) == CLOSING_BY_TIMEOUT);
    session_dump(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();
}