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Refactor the session manager using session transformation 2D array & Update test case

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This commit is contained in:
luwenpeng
2024-03-14 10:56:09 +08:00
parent 639614622b
commit ce00122557
47 changed files with 3403 additions and 3563 deletions
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219
src/session/test/gtest_state_tcp_opening_to_active.cpp
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@@ -1,6 +1,43 @@
// TCP state machine test: opening -> active
#include <gtest/gtest.h>
#include "test_utils.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,
};
/******************************************************************************
* case: TCP opening -> active (by C2S DATA)
@@ -13,53 +50,32 @@ TEST(TCP_OPENING_TO_ACTIVE, BY_SYN_C2S_DATA)
struct packet pkt;
struct session *sess = NULL;
struct session_manager *mgr = NULL;
struct session_manager_stat *stat = NULL;
timestamp_update();
mgr = session_manager_new(&opts);
mgr = session_manager_new(&opts, 1);
EXPECT_TRUE(mgr != NULL);
// C2S SYN Packet
printf("=> packet parse: TCP C2S SYN packet\n");
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\n\n");
sess = session_manager_update_session(mgr, &pkt);
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);
EXPECT_TRUE(session_get_id(sess) != 0);
tuple6_to_str(session_get0_key(sess), buffer, sizeof(buffer));
EXPECT_STREQ(buffer, "192.168.38.105:60111 -> 93.184.216.34:80, proto: 6, domain: 0");
EXPECT_TRUE(session_get_key_dir(sess) == SESSION_DIR_C2S);
EXPECT_TRUE(session_get_state(sess) == SESSION_STATE_OPENING);
EXPECT_TRUE(session_get_type(sess) == SESSION_TYPE_TCP);
EXPECT_TRUE(session_get_dup_traffic_flag(sess) == DUP_TRAFFIC_NO);
EXPECT_TRUE(session_get_closing_reason(sess) == 0);
EXPECT_TRUE(session_get_c2s_bytes(sess) == 78);
EXPECT_TRUE(session_get_s2c_bytes(sess) == 0);
EXPECT_TRUE(session_get_c2s_packets(sess) == 1);
EXPECT_TRUE(session_get_s2c_packets(sess) == 0);
EXPECT_TRUE(session_get_new_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get_last_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get0_cur_pkt(sess) == &pkt);
EXPECT_TRUE(session_get_cur_dir(sess) == SESSION_DIR_C2S);
EXPECT_TRUE(session_get_tcp_state(sess) == TCP_SYN_RECVED);
EXPECT_TRUE(session_get0_c2s_1st_pkt(sess) != NULL);
EXPECT_TRUE(session_get0_s2c_1st_pkt(sess) == NULL);
EXPECT_TRUE(session_get0_1st_pkt(sess) == session_get0_c2s_1st_pkt(sess));
__session_dispatch(sess);
__session_manager_check_counter(mgr, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0);
sleep(1);
timestamp_update();
// C2S DATA Packet
printf("=> packet parse: TCP C2S DATA packet\n");
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\n\n");
sess = session_manager_update_session(mgr, &pkt);
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);
EXPECT_TRUE(session_get_id(sess) != 0);
tuple6_to_str(session_get0_key(sess), buffer, sizeof(buffer));
@@ -73,19 +89,41 @@ TEST(TCP_OPENING_TO_ACTIVE, BY_SYN_C2S_DATA)
EXPECT_TRUE(session_get_s2c_bytes(sess) == 0);
EXPECT_TRUE(session_get_c2s_packets(sess) == 1 + 1);
EXPECT_TRUE(session_get_s2c_packets(sess) == 0);
EXPECT_TRUE(session_get_new_time(sess) < timestamp_get_sec());
EXPECT_TRUE(session_get_last_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get_new_time(sess) == 1);
EXPECT_TRUE(session_get_last_time(sess) == 2);
EXPECT_TRUE(session_get0_cur_pkt(sess) == &pkt);
EXPECT_TRUE(session_get_cur_dir(sess) == SESSION_DIR_C2S);
EXPECT_TRUE(session_get_tcp_state(sess) == (TCP_SYN_RECVED | TCP_C2S_ACK_RECVED | TCP_C2S_DATA_RECVED));
EXPECT_TRUE(session_get0_c2s_1st_pkt(sess) != NULL);
EXPECT_TRUE(session_get0_s2c_1st_pkt(sess) == NULL);
session_dump(sess);
__session_dispatch(sess);
// check stat
session_manager_print_stat(mgr);
stat = session_manager_get_stat(mgr);
EXPECT_TRUE(stat);
EXPECT_TRUE(stat->tcp_sess.nr_sess_used == 1);
EXPECT_TRUE(stat->tcp_sess.nr_sess_opening == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_active == 1);
EXPECT_TRUE(stat->tcp_sess.nr_sess_closing == 0);
__session_manager_check_counter(mgr, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0);
__session_manager_wait(mgr, CLOSING_BY_TIMEOUT);
__session_manager_check_counter(mgr, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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);
// check stat
session_manager_print_stat(mgr);
stat = session_manager_get_stat(mgr);
EXPECT_TRUE(stat);
EXPECT_TRUE(stat->tcp_sess.nr_sess_used == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_opening == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_active == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_closing == 0);
session_manager_free(mgr);
}
@@ -102,53 +140,32 @@ TEST(TCP_OPENING_TO_ACTIVE, BY_SYNACK_S2C_DATA)
struct packet pkt;
struct session *sess = NULL;
struct session_manager *mgr = NULL;
struct session_manager_stat *stat = NULL;
timestamp_update();
mgr = session_manager_new(&opts);
mgr = session_manager_new(&opts, 1);
EXPECT_TRUE(mgr != NULL);
// SYNACK Packet
printf("=> packet parse: TCP S2C SYNACK packet\n");
// S2C SYNACK Packet
printf("\n=> Packet Parse: TCP S2C SYNACK packet\n");
packet_parse(&pkt, (const char *)tcp_pkt2_s2c_syn_ack, sizeof(tcp_pkt2_s2c_syn_ack));
printf("<= packet parse\n\n");
sess = session_manager_update_session(mgr, &pkt);
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);
EXPECT_TRUE(session_get_id(sess) != 0);
tuple6_to_str(session_get0_key(sess), buffer, sizeof(buffer));
EXPECT_STREQ(buffer, "93.184.216.34:80 -> 192.168.38.105:60111, proto: 6, domain: 0");
EXPECT_TRUE(session_get_key_dir(sess) == SESSION_DIR_S2C);
EXPECT_TRUE(session_get_state(sess) == SESSION_STATE_OPENING);
EXPECT_TRUE(session_get_type(sess) == SESSION_TYPE_TCP);
EXPECT_TRUE(session_get_dup_traffic_flag(sess) == DUP_TRAFFIC_NO);
EXPECT_TRUE(session_get_closing_reason(sess) == 0);
EXPECT_TRUE(session_get_c2s_bytes(sess) == 0);
EXPECT_TRUE(session_get_s2c_bytes(sess) == 74);
EXPECT_TRUE(session_get_c2s_packets(sess) == 0);
EXPECT_TRUE(session_get_s2c_packets(sess) == 1);
EXPECT_TRUE(session_get_new_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get_last_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get0_cur_pkt(sess) == &pkt);
EXPECT_TRUE(session_get_cur_dir(sess) == SESSION_DIR_S2C);
EXPECT_TRUE(session_get_tcp_state(sess) == TCP_SYNACK_RECVED);
EXPECT_TRUE(session_get0_c2s_1st_pkt(sess) == NULL);
EXPECT_TRUE(session_get0_s2c_1st_pkt(sess) != NULL);
EXPECT_TRUE(session_get0_1st_pkt(sess) == session_get0_s2c_1st_pkt(sess));
__session_dispatch(sess);
__session_manager_check_counter(mgr, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0);
sleep(1);
timestamp_update();
// S2C DATA Packet
printf("=> packet parse: TCP S2C DATA packet\n");
printf("\n=> Packet Parse: TCP S2C DATA packet\n");
packet_parse(&pkt, (const char *)tcp_pkt6_s2c_http_resq_1, sizeof(tcp_pkt6_s2c_http_resq_1));
printf("<= packet parse\n\n");
sess = session_manager_update_session(mgr, &pkt);
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);
EXPECT_TRUE(session_get_id(sess) != 0);
tuple6_to_str(session_get0_key(sess), buffer, sizeof(buffer));
@@ -162,19 +179,41 @@ TEST(TCP_OPENING_TO_ACTIVE, BY_SYNACK_S2C_DATA)
EXPECT_TRUE(session_get_s2c_bytes(sess) == 74 + 1354);
EXPECT_TRUE(session_get_c2s_packets(sess) == 0);
EXPECT_TRUE(session_get_s2c_packets(sess) == 1 + 1);
EXPECT_TRUE(session_get_new_time(sess) < timestamp_get_sec());
EXPECT_TRUE(session_get_last_time(sess) == timestamp_get_sec());
EXPECT_TRUE(session_get_new_time(sess) == 1);
EXPECT_TRUE(session_get_last_time(sess) == 2);
EXPECT_TRUE(session_get0_cur_pkt(sess) == &pkt);
EXPECT_TRUE(session_get_cur_dir(sess) == SESSION_DIR_S2C);
EXPECT_TRUE(session_get_tcp_state(sess) == (TCP_SYNACK_RECVED | TCP_S2C_ACK_RECVED | TCP_S2C_DATA_RECVED));
EXPECT_TRUE(session_get0_c2s_1st_pkt(sess) == NULL);
EXPECT_TRUE(session_get0_s2c_1st_pkt(sess) != NULL);
session_dump(sess);
__session_dispatch(sess);
// check stat
session_manager_print_stat(mgr);
stat = session_manager_get_stat(mgr);
EXPECT_TRUE(stat);
EXPECT_TRUE(stat->tcp_sess.nr_sess_used == 1);
EXPECT_TRUE(stat->tcp_sess.nr_sess_opening == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_active == 1);
EXPECT_TRUE(stat->tcp_sess.nr_sess_closing == 0);
__session_manager_check_counter(mgr, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0);
__session_manager_wait(mgr, CLOSING_BY_TIMEOUT);
__session_manager_check_counter(mgr, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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);
// check stat
session_manager_print_stat(mgr);
stat = session_manager_get_stat(mgr);
EXPECT_TRUE(stat);
EXPECT_TRUE(stat->tcp_sess.nr_sess_used == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_opening == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_active == 0);
EXPECT_TRUE(stat->tcp_sess.nr_sess_closing == 0);
session_manager_free(mgr);
}