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comparison seobeo/s_linux_network.c @ 1:adcfad6e86fb

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Updated naming and separated out some logic within seobeo.
author June Park <parkjune1995@gmail.com>
date Wed, 24 Sep 2025 09:11:20 -0700
parents
children 2758f5527d2b
comparison
equal deleted inserted replaced
0:5695ef413be0 1:adcfad6e86fb
1 #include "seobeo/seobeo.h"
2
3 int Seobeo_CreateSocket(int32 stream, char* port, int32 backlog)
4 {
5 int32 sock_fd;
6 struct addrinfo hints, *server_infos, *free_server_info;
7 int32 yes = 1; // Need this for setsockopt
8
9 memset(&hints, 0, sizeof(hints));
10 if (stream)
11 {
12 hints.ai_family = AF_INET;
13 hints.ai_socktype = SOCK_STREAM;
14 hints.ai_protocol = IPPROTO_TCP;
15 hints.ai_flags = AI_PASSIVE;
16 }
17 else
18 {
19 hints.ai_family = AF_INET;
20 hints.ai_socktype = SOCK_DGRAM;
21 hints.ai_protocol = IPPROTO_UDP;
22 hints.ai_flags = AI_PASSIVE;
23 }
24
25
26 if (getaddrinfo(NULL, port, &hints, &server_infos) != 0)
27 {
28 perror("getaddrinfo");
29 return -1;
30 }
31
32 for
33 (
34 free_server_info = server_infos;
35 free_server_info != NULL;
36 free_server_info = free_server_info->ai_next
37 )
38 {
39 if
40 (
41 (sock_fd = socket(
42 free_server_info->ai_family, free_server_info->ai_socktype,
43 free_server_info->ai_protocol
44 )) == -1
45 )
46 {
47 perror("socket");
48 continue;
49 }
50
51 if (setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) == -1)
52 {
53 perror("setsockopt");
54 continue;
55 }
56
57 if (bind(sock_fd, free_server_info->ai_addr, free_server_info->ai_addrlen) == -1)
58 {
59 close(sock_fd);
60 perror("setsockopt");
61 continue;
62 }
63
64 // UDP should be non blocking
65 if(!stream)
66 {
67 if (fcntl(sock_fd, F_SETFL, O_NONBLOCK) != 0)
68 {
69 close(sock_fd);
70 perror("v_network: Couldn't make socket non-blocking\n");
71 return -1;
72 }
73 }
74
75 // binded to a open server infos;
76 break;
77 }
78
79 // No longer need these values
80 freeaddrinfo(server_infos);
81
82 if (free_server_info == NULL)
83 {
84 perror("No free server");
85 return -1;
86 }
87
88 // TCP listen
89 if(stream)
90 {
91 if (listen(sock_fd, backlog) != 0)
92 {
93 perror("listen");
94 return -1;
95 }
96 }
97
98 return sock_fd;
99 }
100