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stellar-stellar/infra/packet_manager/test/gtest_packet_manager.cpp
2024-10-21 10:49:41 +08:00

451 lines
17 KiB
C++

#include <gtest/gtest.h>
#include "packet_parser.h"
#include "packet_internal.h"
#include "packet_manager_internal.h"
/******************************************************************************
* [Protocols in frame: eth:ethertype:ip:ipv6:tcp]
******************************************************************************
*
* Frame 1: 106 bytes on wire (848 bits), 106 bytes captured (848 bits)
* Ethernet II, Src: JuniperN_45:88:29 (2c:6b:f5:45:88:29), Dst: JuniperN_2a:a2:00 (5c:5e:ab:2a:a2:00)
* Destination: JuniperN_2a:a2:00 (5c:5e:ab:2a:a2:00)
* Source: JuniperN_45:88:29 (2c:6b:f5:45:88:29)
* Type: IPv4 (0x0800)
* Internet Protocol Version 4, Src: 210.77.88.163, Dst: 59.66.4.50
* 0100 .... = Version: 4
* .... 0101 = Header Length: 20 bytes (5)
* Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
* Total Length: 92
* Identification: 0x0b4d (2893)
* 000. .... = Flags: 0x0
* ...0 0000 0000 0000 = Fragment Offset: 0
* Time to Live: 59
* Protocol: IPv6 (41)
* Header Checksum: 0x09c8 [validation disabled]
* [Header checksum status: Unverified]
* Source Address: 210.77.88.163
* Destination Address: 59.66.4.50
* Internet Protocol Version 6, Src: 2001:da8:200:900e:200:5efe:d24d:58a3, Dst: 2600:140e:6::1702:1058
* 0110 .... = Version: 6
* .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT)
* .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000
* Payload Length: 32
* Next Header: TCP (6)
* Hop Limit: 64
* Source Address: 2001:da8:200:900e:200:5efe:d24d:58a3
* Destination Address: 2600:140e:6::1702:1058
* [Source ISATAP IPv4: 210.77.88.163]
* Transmission Control Protocol, Src Port: 52556, Dst Port: 80, Seq: 0, Len: 0
* Source Port: 52556
* Destination Port: 80
* [Stream index: 0]
* [Conversation completeness: Complete, WITH_DATA (31)]
* [TCP Segment Len: 0]
* Sequence Number: 0 (relative sequence number)
* Sequence Number (raw): 2172673142
* [Next Sequence Number: 1 (relative sequence number)]
* Acknowledgment Number: 0
* Acknowledgment number (raw): 0
* 1000 .... = Header Length: 32 bytes (8)
* Flags: 0x002 (SYN)
* Window: 8192
* [Calculated window size: 8192]
* Checksum: 0xf757 [unverified]
* [Checksum Status: Unverified]
* Urgent Pointer: 0
* Options: (12 bytes), Maximum segment size, No-Operation (NOP), Window scale, No-Operation (NOP), No-Operation (NOP), SACK permitted
* [Timestamps]
*/
unsigned char data[] = {
0x5c, 0x5e, 0xab, 0x2a, 0xa2, 0x00, 0x2c, 0x6b, 0xf5, 0x45, 0x88, 0x29, 0x08, 0x00, 0x45, 0x00, 0x00, 0x5c, 0x0b, 0x4d, 0x00, 0x00, 0x3b, 0x29, 0x09, 0xc8,
0xd2, 0x4d, 0x58, 0xa3, 0x3b, 0x42, 0x04, 0x32, 0x60, 0x00, 0x00, 0x00, 0x00, 0x20, 0x06, 0x40, 0x20, 0x01, 0x0d, 0xa8, 0x02, 0x00, 0x90, 0x0e, 0x02, 0x00,
0x5e, 0xfe, 0xd2, 0x4d, 0x58, 0xa3, 0x26, 0x00, 0x14, 0x0e, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x02, 0x10, 0x58, 0xcd, 0x4c, 0x00, 0x50,
0x81, 0x80, 0x5c, 0x76, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20, 0x00, 0xf7, 0x57, 0x00, 0x00, 0x02, 0x04, 0x04, 0xc4, 0x01, 0x03, 0x03, 0x08, 0x01, 0x01,
0x04, 0x02};
static uint16_t thread_id = 0;
static struct packet_manager_stat init_stat = {};
static void check_stat(struct packet_manager_stat *curr_stat, struct packet_manager_stat *expect_stat)
{
EXPECT_TRUE(curr_stat->total.pkts_ingress == expect_stat->total.pkts_ingress);
EXPECT_TRUE(curr_stat->total.pkts_egress == expect_stat->total.pkts_egress);
for (int i = 0; i < PACKET_QUEUE_MAX; i++)
{
EXPECT_TRUE(curr_stat->queue[i].pkts_in == expect_stat->queue[i].pkts_in);
EXPECT_TRUE(curr_stat->queue[i].pkts_out == expect_stat->queue[i].pkts_out);
EXPECT_TRUE(curr_stat->queue[i].pkts_claim == expect_stat->queue[i].pkts_claim);
EXPECT_TRUE(curr_stat->queue[i].pkts_schedule == expect_stat->queue[i].pkts_schedule);
}
}
#if 1
TEST(PACKET_MANAGER, NEW_FREE)
{
struct mq_schema *mq_schema = mq_schema_new();
EXPECT_TRUE(mq_schema);
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, 1);
EXPECT_TRUE(pkt_mgr);
packet_manager_free(pkt_mgr);
mq_schema_free(mq_schema);
}
#endif
#if 1
static void on_packet_stage(enum packet_stage stage, struct packet *pkt, void *args)
{
printf("on_packet_stage: %s\n", packet_stage_to_str(stage));
static int count = 0;
EXPECT_TRUE(count == stage);
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(args == NULL);
count++;
}
TEST(PACKET_MANAGER, SUBSCRIBER_PACKET_STAGE)
{
// global init
struct mq_schema *mq_schema = mq_schema_new();
EXPECT_TRUE(mq_schema);
struct mq_runtime *mq_rt = mq_runtime_new(mq_schema);
EXPECT_TRUE(mq_rt);
// module init
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, 1);
EXPECT_TRUE(pkt_mgr);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_PREROUTING, on_packet_stage, NULL) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_INPUT, on_packet_stage, NULL) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_FORWARD, on_packet_stage, NULL) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_OUTPUT, on_packet_stage, NULL) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_POSTROUTING, on_packet_stage, NULL) == 0);
// per-thread init
packet_manager_init(pkt_mgr, thread_id, mq_rt);
// per-thread run
struct packet pkt;
memset(&pkt, 0, sizeof(pkt));
packet_parse(&pkt, (const char *)data, sizeof(data));
packet_set_ctrl(&pkt, true);
struct packet_manager_stat *curr_stat = packet_manager_get_stat(pkt_mgr, thread_id);
check_stat(curr_stat, &init_stat);
packet_manager_ingress(pkt_mgr, thread_id, &pkt);
packet_manager_dispatch(pkt_mgr, thread_id);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 1},
.queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_FORWARD] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_OUTPUT] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_POSTROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_MAX] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
},
};
check_stat(curr_stat, &expect_stat);
// per-thread free
// module free
packet_manager_free(pkt_mgr);
// global free
mq_runtime_free(mq_rt);
mq_schema_free(mq_schema);
}
#endif
#if 1
static void packet_claimed(struct packet *pkt, void *args)
{
char *str = (char *)args;
EXPECT_STREQ(str, "hello");
printf("packet_claimed: with ctx %s\n", str);
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(packet_is_claim(pkt));
free(str);
}
static void claim_packet_success(enum packet_stage stage, struct packet *pkt, void *args)
{
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
printf("claim_packet_success: %s\n", packet_stage_to_str(stage));
static int count = 0;
EXPECT_TRUE(count == 0);
EXPECT_TRUE(stage == PACKET_STAGE_PREROUTING);
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(!packet_is_claim(pkt)); // packet not claim
EXPECT_TRUE(packet_manager_claim_packet(pkt_mgr, thread_id, pkt, packet_claimed, strdup("hello")) == 0); // claim packet success
count++;
}
static void claim_packet_failed(enum packet_stage stage, struct packet *pkt, void *args)
{
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
printf("claim_packet_failed: %s\n", packet_stage_to_str(stage));
static int count = 0;
EXPECT_TRUE(count == 0);
EXPECT_TRUE(stage == PACKET_STAGE_PREROUTING);
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(packet_is_claim(pkt)); // packet already claim
EXPECT_TRUE(packet_manager_claim_packet(pkt_mgr, thread_id, pkt, NULL, NULL) == -1); // claim packet failed
count++;
}
TEST(PACKET_MANAGER, CLAIM_PACKET)
{
// global init
struct mq_schema *mq_schema = mq_schema_new();
EXPECT_TRUE(mq_schema);
struct mq_runtime *mq_rt = mq_runtime_new(mq_schema);
EXPECT_TRUE(mq_rt);
// module init
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, 1);
EXPECT_TRUE(pkt_mgr);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_PREROUTING, claim_packet_success, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_INPUT, claim_packet_success, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_FORWARD, claim_packet_success, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_OUTPUT, claim_packet_success, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_POSTROUTING, claim_packet_success, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_PREROUTING, claim_packet_failed, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_INPUT, claim_packet_failed, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_FORWARD, claim_packet_failed, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_OUTPUT, claim_packet_failed, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_POSTROUTING, claim_packet_failed, pkt_mgr) == 0);
// per-thread init
packet_manager_init(pkt_mgr, thread_id, mq_rt);
// per-thread run
struct packet pkt;
memset(&pkt, 0, sizeof(pkt));
packet_parse(&pkt, (const char *)data, sizeof(data));
packet_set_ctrl(&pkt, true);
struct packet_manager_stat *curr_stat = packet_manager_get_stat(pkt_mgr, thread_id);
check_stat(curr_stat, &init_stat);
packet_manager_ingress(pkt_mgr, thread_id, &pkt);
packet_manager_dispatch(pkt_mgr, thread_id);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 0},
.queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_FORWARD] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_OUTPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_POSTROUTING] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_MAX] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
},
};
check_stat(curr_stat, &expect_stat);
// per-thread free
// module free
packet_manager_free(pkt_mgr);
// global free
mq_runtime_free(mq_rt);
mq_schema_free(mq_schema);
}
#endif
#if 1
static void on_packet_stage_schedule_packet(enum packet_stage stage, struct packet *pkt, void *args)
{
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
printf("on_packet_stage_schedule_packet: \"%s\" schedule packet %p\n", packet_stage_to_str(stage), pkt);
EXPECT_TRUE(!packet_is_claim(pkt));
if (stage == PACKET_STAGE_PREROUTING)
{
packet_manager_schedule_packet(pkt_mgr, thread_id, packet_new(10), PACKET_STAGE_INPUT);
packet_manager_schedule_packet(pkt_mgr, thread_id, packet_new(10), PACKET_STAGE_FORWARD);
packet_manager_schedule_packet(pkt_mgr, thread_id, packet_new(10), PACKET_STAGE_OUTPUT);
packet_manager_schedule_packet(pkt_mgr, thread_id, packet_new(10), PACKET_STAGE_POSTROUTING);
}
}
TEST(PACKET_MANAGER, SCHEDULE_PACKET)
{
// global init
struct mq_schema *mq_schema = mq_schema_new();
EXPECT_TRUE(mq_schema);
struct mq_runtime *mq_rt = mq_runtime_new(mq_schema);
EXPECT_TRUE(mq_rt);
// module init
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, 1);
EXPECT_TRUE(pkt_mgr);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_PREROUTING, on_packet_stage_schedule_packet, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_INPUT, on_packet_stage_schedule_packet, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_FORWARD, on_packet_stage_schedule_packet, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_OUTPUT, on_packet_stage_schedule_packet, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_POSTROUTING, on_packet_stage_schedule_packet, pkt_mgr) == 0);
// per-thread init
packet_manager_init(pkt_mgr, thread_id, mq_rt);
// per-thread run
struct packet pkt;
memset(&pkt, 0, sizeof(pkt));
packet_parse(&pkt, (const char *)data, sizeof(data));
packet_set_ctrl(&pkt, true);
struct packet_manager_stat *curr_stat = packet_manager_get_stat(pkt_mgr, thread_id);
check_stat(curr_stat, &init_stat);
packet_manager_ingress(pkt_mgr, thread_id, &pkt);
packet_manager_dispatch(pkt_mgr, thread_id);
struct packet *tmp = NULL;
for (int i = 0; i < 4; i++)
{
tmp = packet_manager_egress(pkt_mgr, thread_id);
EXPECT_TRUE(tmp);
packet_free(tmp);
}
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == NULL);
struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 5},
.queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 2, .pkts_out = 2, .pkts_claim = 0, .pkts_schedule = 1},
[PACKET_STAGE_FORWARD] = {.pkts_in = 3, .pkts_out = 3, .pkts_claim = 0, .pkts_schedule = 1},
[PACKET_STAGE_OUTPUT] = {.pkts_in = 4, .pkts_out = 4, .pkts_claim = 0, .pkts_schedule = 1},
[PACKET_STAGE_POSTROUTING] = {.pkts_in = 5, .pkts_out = 5, .pkts_claim = 0, .pkts_schedule = 1},
[PACKET_STAGE_MAX] = {.pkts_in = 5, .pkts_out = 5, .pkts_claim = 0, .pkts_schedule = 0},
},
};
check_stat(curr_stat, &expect_stat);
// per-thread free
// module free
packet_manager_free(pkt_mgr);
// global free
mq_runtime_free(mq_rt);
mq_schema_free(mq_schema);
}
#endif
#if 1
static void schedule_claimed_packet(struct packet *pkt, void *args)
{
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
printf("schedule_claimed_packet: %p\n", pkt);
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(packet_is_claim(pkt));
packet_manager_schedule_packet(pkt_mgr, thread_id, pkt, PACKET_STAGE_POSTROUTING);
}
static void on_packet_stage_claim_packet_to_schedule(enum packet_stage stage, struct packet *pkt, void *args)
{
struct packet_manager *pkt_mgr = (struct packet_manager *)args;
printf("on_packet_stage_claim_packet_to_schedule: %s\n", packet_stage_to_str(stage));
static int count = 0;
EXPECT_TRUE(packet_is_ctrl(pkt));
EXPECT_TRUE(!packet_is_claim(pkt));
if (stage == PACKET_STAGE_PREROUTING)
{
EXPECT_TRUE(count == 0); // packet not claim
EXPECT_TRUE(packet_manager_claim_packet(pkt_mgr, thread_id, pkt, schedule_claimed_packet, pkt_mgr) == 0); // claim packet success
}
else if (stage == PACKET_STAGE_POSTROUTING)
{
EXPECT_TRUE(count == 1);
EXPECT_TRUE(!packet_is_claim(pkt));
}
else
{
EXPECT_TRUE(0);
}
count++;
}
TEST(PACKET_MANAGER, SCHEDULE_CLAIMED_PACKET)
{
// global init
struct mq_schema *mq_schema = mq_schema_new();
EXPECT_TRUE(mq_schema);
struct mq_runtime *mq_rt = mq_runtime_new(mq_schema);
EXPECT_TRUE(mq_rt);
// module init
struct packet_manager *pkt_mgr = packet_manager_new(mq_schema, 1);
EXPECT_TRUE(pkt_mgr);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_PREROUTING, on_packet_stage_claim_packet_to_schedule, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_INPUT, on_packet_stage_claim_packet_to_schedule, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_FORWARD, on_packet_stage_claim_packet_to_schedule, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_OUTPUT, on_packet_stage_claim_packet_to_schedule, pkt_mgr) == 0);
EXPECT_TRUE(packet_manager_subscribe(pkt_mgr, PACKET_STAGE_POSTROUTING, on_packet_stage_claim_packet_to_schedule, pkt_mgr) == 0);
// per-thread init
packet_manager_init(pkt_mgr, thread_id, mq_rt);
// per-thread run
struct packet pkt;
memset(&pkt, 0, sizeof(pkt));
packet_parse(&pkt, (const char *)data, sizeof(data));
packet_set_ctrl(&pkt, true);
struct packet_manager_stat *curr_stat = packet_manager_get_stat(pkt_mgr, thread_id);
check_stat(curr_stat, &init_stat);
packet_manager_ingress(pkt_mgr, thread_id, &pkt);
packet_manager_dispatch(pkt_mgr, thread_id);
EXPECT_TRUE(packet_manager_egress(pkt_mgr, thread_id) == &pkt);
struct packet_manager_stat expect_stat = {
.total = {.pkts_ingress = 1, .pkts_egress = 1},
.queue = {
[PACKET_STAGE_PREROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 1, .pkts_schedule = 0},
[PACKET_STAGE_INPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_FORWARD] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_OUTPUT] = {.pkts_in = 0, .pkts_out = 0, .pkts_claim = 0, .pkts_schedule = 0},
[PACKET_STAGE_POSTROUTING] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 1},
[PACKET_STAGE_MAX] = {.pkts_in = 1, .pkts_out = 1, .pkts_claim = 0, .pkts_schedule = 0},
},
};
check_stat(curr_stat, &expect_stat);
// per-thread free
// module free
packet_manager_free(pkt_mgr);
// global free
mq_runtime_free(mq_rt);
mq_schema_free(mq_schema);
}
#endif
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}