refactor: rename the directory infra/packet_parser to infra/paket_manager
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luwenpeng
210
infra/packet_manager/test/gtest_gre0_utils.cpp
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210
infra/packet_manager/test/gtest_gre0_utils.cpp
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#include <gtest/gtest.h>
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#include "packet_helper.h"
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/*
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* Generic Routing Encapsulation (IP)
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* Flags and Version: 0x0000
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* 0... .... .... .... = Checksum Bit: No
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* .0.. .... .... .... = Routing Bit: No
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* ..0. .... .... .... = Key Bit: No
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* ...0 .... .... .... = Sequence Number Bit: No
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* .... 0... .... .... = Strict Source Route Bit: No
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* .... .000 .... .... = Recursion control: 0
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* .... .... 0000 0... = Flags (Reserved): 0
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* .... .... .... .000 = Version: GRE (0)
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* Protocol Type: IP (0x0800)
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*/
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unsigned char gre0_no_opt[] = {
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0x00, 0x00, 0x08, 0x00};
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TEST(GRE0_UTILS, GET_1)
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{
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const struct gre0_hdr *hdr = (struct gre0_hdr *)gre0_no_opt;
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EXPECT_TRUE(gre0_hdr_get_flags(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_checksum_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_routing_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_key_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_seq_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_strict_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_version(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_proto(hdr) == 0x0800);
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EXPECT_TRUE(gre0_hdr_get_checksum(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_offset(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_key(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_seq(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_routing_data(hdr) == NULL);
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EXPECT_TRUE(gre0_hdr_get_routing_len(hdr) == 0);
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EXPECT_TRUE(calc_gre0_hdr_len((const char *)gre0_no_opt, sizeof(gre0_no_opt)) == 4);
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}
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TEST(GRE0_UTILS, SET_1)
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{
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char buff[4] = {0};
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struct gre0_hdr *hdr = (struct gre0_hdr *)buff;
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gre0_hdr_set_flags(hdr, 0);
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gre0_hdr_set_checksum_flag(hdr, 0);
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gre0_hdr_set_routing_flag(hdr, 0);
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gre0_hdr_set_key_flag(hdr, 0);
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gre0_hdr_set_seq_flag(hdr, 0);
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gre0_hdr_set_strict_flag(hdr, 0);
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gre0_hdr_set_version(hdr, 0);
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gre0_hdr_set_proto(hdr, 0x0800);
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gre0_hdr_set_checksum(hdr, 0);
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gre0_hdr_set_offset(hdr, 0);
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gre0_hdr_set_key(hdr, 0);
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gre0_hdr_set_seq(hdr, 0);
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gre0_hdr_set_routing_data(hdr, NULL, 0);
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EXPECT_TRUE(memcmp(buff, gre0_no_opt, 4) == 0);
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}
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/*
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* Generic Routing Encapsulation (IP)
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* Flags and Version: 0x2000
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* 0... .... .... .... = Checksum Bit: No
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* .0.. .... .... .... = Routing Bit: No
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* ..1. .... .... .... = Key Bit: Yes
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* ...0 .... .... .... = Sequence Number Bit: No
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* .... 0... .... .... = Strict Source Route Bit: No
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* .... .000 .... .... = Recursion control: 0
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* .... .... 0000 0... = Flags (Reserved): 0
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* .... .... .... .000 = Version: GRE (0)
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* Protocol Type: IP (0x0800)
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* Key: 0x00000384
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*/
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unsigned char gre0_opt_key[] = {0x20, 0x00, 0x08, 0x00, 0x00, 0x00, 0x03, 0x84};
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TEST(GRE0_UTILS, GET_2)
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{
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const struct gre0_hdr *hdr = (struct gre0_hdr *)gre0_opt_key;
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EXPECT_TRUE(gre0_hdr_get_flags(hdr) == 0x2000);
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EXPECT_TRUE(gre0_hdr_get_checksum_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_routing_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_key_flag(hdr) == 1);
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EXPECT_TRUE(gre0_hdr_get_seq_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_strict_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_version(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_proto(hdr) == 0x0800);
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EXPECT_TRUE(gre0_hdr_get_checksum(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_offset(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_key(hdr) == 0x00000384);
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EXPECT_TRUE(gre0_hdr_get_seq(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_routing_data(hdr) == NULL);
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EXPECT_TRUE(gre0_hdr_get_routing_len(hdr) == 0);
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EXPECT_TRUE(calc_gre0_hdr_len((const char *)gre0_opt_key, sizeof(gre0_opt_key)) == 8);
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}
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TEST(GRE0_UTILS, SET_2)
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{
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char buff[8] = {0};
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struct gre0_hdr *hdr = (struct gre0_hdr *)buff;
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gre0_hdr_set_flags(hdr, 0x2000);
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gre0_hdr_set_checksum_flag(hdr, 0);
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gre0_hdr_set_routing_flag(hdr, 0);
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gre0_hdr_set_key_flag(hdr, 1);
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gre0_hdr_set_seq_flag(hdr, 0);
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gre0_hdr_set_strict_flag(hdr, 0);
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gre0_hdr_set_version(hdr, 0);
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gre0_hdr_set_proto(hdr, 0x0800);
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gre0_hdr_set_checksum(hdr, 0);
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gre0_hdr_set_offset(hdr, 0);
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gre0_hdr_set_key(hdr, 0x00000384);
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gre0_hdr_set_seq(hdr, 0);
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gre0_hdr_set_routing_data(hdr, NULL, 0);
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EXPECT_TRUE(memcmp(buff, gre0_opt_key, 8) == 0);
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}
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/*
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* Generic Routing Encapsulation (IP)
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* Flags and Version: 0xc000
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* 1... .... .... .... = Checksum Bit: Yes
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* .1.. .... .... .... = Routing Bit: Yes
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* ..0. .... .... .... = Key Bit: No
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* ...0 .... .... .... = Sequence Number Bit: No
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* .... 0... .... .... = Strict Source Route Bit: No
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* .... .000 .... .... = Recursion control: 0
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* .... .... 0000 0... = Flags (Reserved): 0
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* .... .... .... .000 = Version: GRE (0)
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* Protocol Type: IP (0x0800)
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* Checksum: 0x0000 incorrect, should be 0xea95
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* [Expert Info (Warning/Protocol): Incorrect GRE Checksum [should be 0xea95]]
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* [Incorrect GRE Checksum [should be 0xea95]]
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* [Severity level: Warning]
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* [Group: Protocol]
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* [Checksum Status: Bad]
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* Offset: 44
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* Routing
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* Address Family: 2
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* SRE Offset: 0
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* SRE Length: 44
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* Routing Information: 6c696e6b5f696e666f206c696e6b5f696e666f206c696e6b5f696e666f206c696e6b5f696e666f2000000000
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* Routing
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* Address Family: 0
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* SRE Offset: 0
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* SRE Length: 0
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*/
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unsigned char gre0_opt_chek_rout[] = {
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0xc0, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x02, 0x00, 0x2c, 0x6c, 0x69, 0x6e, 0x6b, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x20, 0x6c, 0x69, 0x6e, 0x6b,
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0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x20, 0x6c, 0x69, 0x6e, 0x6b, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x20, 0x6c, 0x69, 0x6e, 0x6b, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x20,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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TEST(GRE0_UTILS, GET_3)
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{
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const struct gre0_hdr *hdr = (struct gre0_hdr *)gre0_opt_chek_rout;
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EXPECT_TRUE(gre0_hdr_get_flags(hdr) == 0xc000);
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EXPECT_TRUE(gre0_hdr_get_checksum_flag(hdr) == 1);
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EXPECT_TRUE(gre0_hdr_get_routing_flag(hdr) == 1);
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EXPECT_TRUE(gre0_hdr_get_key_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_seq_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_strict_flag(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_version(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_proto(hdr) == 0x0800);
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EXPECT_TRUE(gre0_hdr_get_checksum(hdr) == 0x0000);
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EXPECT_TRUE(gre0_hdr_get_offset(hdr) == 44);
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EXPECT_TRUE(gre0_hdr_get_key(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_seq(hdr) == 0);
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EXPECT_TRUE(gre0_hdr_get_routing_data(hdr) == (const char *)gre0_opt_chek_rout + 8);
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EXPECT_TRUE(gre0_hdr_get_routing_len(hdr) == 52);
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EXPECT_TRUE(calc_gre0_hdr_len((const char *)gre0_opt_chek_rout, sizeof(gre0_opt_chek_rout)) == 60);
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}
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TEST(GRE0_UTILS, SET_3)
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{
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char buff[60] = {0};
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struct gre0_hdr *hdr = (struct gre0_hdr *)buff;
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gre0_hdr_set_flags(hdr, 0xc000);
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gre0_hdr_set_checksum_flag(hdr, 1);
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gre0_hdr_set_routing_flag(hdr, 1);
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gre0_hdr_set_key_flag(hdr, 0);
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gre0_hdr_set_seq_flag(hdr, 0);
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gre0_hdr_set_strict_flag(hdr, 0);
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gre0_hdr_set_version(hdr, 0);
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gre0_hdr_set_proto(hdr, 0x0800);
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gre0_hdr_set_checksum(hdr, 0x0000);
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gre0_hdr_set_offset(hdr, 44);
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gre0_hdr_set_key(hdr, 0);
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gre0_hdr_set_seq(hdr, 0);
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gre0_hdr_set_routing_data(hdr, (const char *)gre0_opt_chek_rout + 8, 52);
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EXPECT_TRUE(memcmp(buff, gre0_opt_chek_rout, 60) == 0);
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}
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int main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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