1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <errno.h>
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <string.h>
7 #include <unistd.h>
8 #include <arpa/inet.h>
9 #include <sys/socket.h>
10 #include <netdb.h>
11
12 #include "../../net/lib/ksft.h"
13
main(int argc,char * argv[])14 int main(int argc, char *argv[])
15 {
16 struct sockaddr_storage address;
17 struct addrinfo *result;
18 struct addrinfo hints;
19 unsigned int napi_id;
20 socklen_t addr_len;
21 socklen_t optlen;
22 char buf[1024];
23 int opt = 1;
24 int family;
25 int server;
26 int client;
27 int ret;
28
29 memset(&hints, 0, sizeof(hints));
30 hints.ai_family = AF_UNSPEC;
31 hints.ai_socktype = SOCK_STREAM;
32 hints.ai_flags = AI_PASSIVE;
33
34 ret = getaddrinfo(argv[1], argv[2], &hints, &result);
35 if (ret != 0) {
36 fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret));
37 return 1;
38 }
39
40 family = result->ai_family;
41 addr_len = result->ai_addrlen;
42
43 server = socket(family, SOCK_STREAM, IPPROTO_TCP);
44 if (server < 0) {
45 perror("socket creation failed");
46 freeaddrinfo(result);
47 if (errno == EAFNOSUPPORT)
48 return -1;
49 return 1;
50 }
51
52 if (setsockopt(server, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt))) {
53 perror("setsockopt");
54 freeaddrinfo(result);
55 return 1;
56 }
57
58 memcpy(&address, result->ai_addr, result->ai_addrlen);
59 freeaddrinfo(result);
60
61 if (bind(server, (struct sockaddr *)&address, addr_len) < 0) {
62 perror("bind failed");
63 return 1;
64 }
65
66 if (listen(server, 1) < 0) {
67 perror("listen");
68 return 1;
69 }
70
71 ksft_ready();
72
73 client = accept(server, NULL, 0);
74 if (client < 0) {
75 perror("accept");
76 return 1;
77 }
78
79 optlen = sizeof(napi_id);
80 ret = getsockopt(client, SOL_SOCKET, SO_INCOMING_NAPI_ID, &napi_id,
81 &optlen);
82 if (ret != 0) {
83 perror("getsockopt");
84 return 1;
85 }
86
87 read(client, buf, 1024);
88
89 ksft_wait();
90
91 if (napi_id == 0) {
92 fprintf(stderr, "napi ID is 0\n");
93 return 1;
94 }
95
96 close(client);
97 close(server);
98
99 return 0;
100 }
101