| 40 |
40 |
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| 41 |
41 |
#include <libgtpnl/gtpnl.h>
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| 42 |
42 |
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|
43 |
struct gtp_server_sock {
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|
44 |
int family;
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45 |
int fd1;
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46 |
int fd2;
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47 |
socklen_t len;
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48 |
struct {
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|
49 |
union {
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|
50 |
struct sockaddr_in in;
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51 |
struct sockaddr_in6 in6;
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52 |
} fd1;
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53 |
union {
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54 |
struct sockaddr_in in;
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55 |
struct sockaddr_in6 in6;
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56 |
} fd2;
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57 |
} sockaddr;
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|
58 |
};
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|
59 |
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60 |
static void setup_sockaddr_in(struct sockaddr_in *sockaddr, uint16_t port)
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61 |
{
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62 |
sockaddr->sin_family = AF_INET;
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63 |
sockaddr->sin_port = htons(port);
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64 |
sockaddr->sin_addr.s_addr = INADDR_ANY;
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|
65 |
}
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|
66 |
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67 |
static void setup_sockaddr_in6(struct sockaddr_in6 *sockaddr, uint16_t port)
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68 |
{
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69 |
sockaddr->sin6_family = AF_INET6;
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|
70 |
sockaddr->sin6_port = htons(port);
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71 |
sockaddr->sin6_addr = in6addr_any;
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|
72 |
}
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73 |
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74 |
static int setup_socket(struct gtp_server_sock *gtp_sock, int family)
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|
75 |
{
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76 |
int fd1 = socket(family, SOCK_DGRAM, 0);
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77 |
int fd2 = socket(family, SOCK_DGRAM, 0);
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|
78 |
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|
79 |
if (fd1 < 0 || fd2 < 0)
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|
80 |
return -1;
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|
81 |
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|
82 |
memset(gtp_sock, 0, sizeof(*gtp_sock));
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|
83 |
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84 |
gtp_sock->family = family;
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85 |
gtp_sock->fd1 = fd1;
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86 |
gtp_sock->fd2 = fd2;
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|
87 |
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|
88 |
switch (family) {
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|
89 |
case AF_INET:
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|
90 |
gtp_sock->len = sizeof(struct sockaddr_in);
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91 |
setup_sockaddr_in(>p_sock->sockaddr.fd1.in, 3386);
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92 |
setup_sockaddr_in(>p_sock->sockaddr.fd2.in, 2152);
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|
93 |
break;
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94 |
case AF_INET6:
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95 |
gtp_sock->len = sizeof(struct sockaddr_in6);
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96 |
setup_sockaddr_in6(>p_sock->sockaddr.fd1.in6, 3386);
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|
97 |
setup_sockaddr_in6(>p_sock->sockaddr.fd2.in6, 2152);
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|
98 |
break;
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|
99 |
}
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|
100 |
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|
101 |
return 0;
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|
102 |
}
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|
103 |
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| 43 |
104 |
int main(int argc, char *argv[])
|
| 44 |
105 |
{
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| 45 |
106 |
char buf[MNL_SOCKET_BUFFER_SIZE];
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| 46 |
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int ret, sgsn_mode = 0;
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|
107 |
struct gtp_server_sock gtp_sock;
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|
108 |
int ret, sgsn_mode = 0, family;
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| 47 |
109 |
|
| 48 |
|
if (argc < 3) {
|
| 49 |
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printf("Usage: %s add <device> [--sgsn]\n", argv[0]);
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|
110 |
if (argc < 4) {
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|
111 |
printf("Usage: %s add <device> <family> [--sgsn]\n", argv[0]);
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| 50 |
112 |
printf(" %s del <device>\n", argv[0]);
|
| 51 |
113 |
exit(EXIT_FAILURE);
|
| 52 |
114 |
}
|
| ... | ... | |
| 59 |
121 |
return 0;
|
| 60 |
122 |
}
|
| 61 |
123 |
|
| 62 |
|
if (argc > 3 && !strcmp(argv[3], "--sgsn"))
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|
124 |
if (argc > 4 && !strcmp(argv[4], "--sgsn"))
|
| 63 |
125 |
sgsn_mode = 1;
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| 64 |
126 |
|
| 65 |
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int fd1 = socket(AF_INET, SOCK_DGRAM, 0);
|
| 66 |
|
int fd2 = socket(AF_INET, SOCK_DGRAM, 0);
|
| 67 |
|
struct sockaddr_in sockaddr_fd1 = {
|
| 68 |
|
.sin_family = AF_INET,
|
| 69 |
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.sin_port = htons(3386),
|
| 70 |
|
.sin_addr = {
|
| 71 |
|
.s_addr = INADDR_ANY,
|
| 72 |
|
},
|
| 73 |
|
};
|
| 74 |
|
struct sockaddr_in sockaddr_fd2 = {
|
| 75 |
|
.sin_family = AF_INET,
|
| 76 |
|
.sin_port = htons(2152),
|
| 77 |
|
.sin_addr = {
|
| 78 |
|
.s_addr = INADDR_ANY,
|
| 79 |
|
},
|
| 80 |
|
};
|
| 81 |
|
|
| 82 |
|
if (bind(fd1, (struct sockaddr *) &sockaddr_fd1,
|
| 83 |
|
sizeof(sockaddr_fd1)) < 0) {
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|
127 |
if (!strcmp(argv[3], "ip"))
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|
128 |
family = AF_INET;
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|
129 |
else if (!strcmp(argv[3], "ip6"))
|
|
130 |
family = AF_INET6;
|
|
131 |
else {
|
|
132 |
fprintf(stderr, "unsupport family `%s', expecting `ip' or `ip6'\n",
|
|
133 |
argv[3]);
|
|
134 |
exit(EXIT_FAILURE);
|
|
135 |
}
|
|
136 |
|
|
137 |
if (setup_socket(>p_sock, family) < 0) {
|
|
138 |
perror("socket");
|
|
139 |
exit(EXIT_FAILURE);
|
|
140 |
}
|
|
141 |
|
|
142 |
if (bind(gtp_sock.fd1, (struct sockaddr *) >p_sock.sockaddr.fd1, gtp_sock.len) < 0) {
|
| 84 |
143 |
perror("bind");
|
| 85 |
144 |
exit(EXIT_FAILURE);
|
| 86 |
145 |
}
|
| 87 |
|
if (bind(fd2, (struct sockaddr *) &sockaddr_fd2,
|
| 88 |
|
sizeof(sockaddr_fd2)) < 0) {
|
|
146 |
if (bind(gtp_sock.fd2, (struct sockaddr *) >p_sock.sockaddr.fd2, gtp_sock.len) < 0) {
|
| 89 |
147 |
perror("bind");
|
| 90 |
148 |
exit(EXIT_FAILURE);
|
| 91 |
149 |
}
|
| 92 |
150 |
|
| 93 |
151 |
if (sgsn_mode)
|
| 94 |
|
ret = gtp_dev_create_sgsn(-1, argv[2], fd1, fd2);
|
|
152 |
ret = gtp_dev_create_sgsn(-1, argv[2], gtp_sock.fd1, gtp_sock.fd2);
|
| 95 |
153 |
else
|
| 96 |
|
ret = gtp_dev_create(-1, argv[2], fd1, fd2);
|
|
154 |
ret = gtp_dev_create(-1, argv[2], gtp_sock.fd1, gtp_sock.fd2);
|
| 97 |
155 |
if (ret < 0) {
|
| 98 |
156 |
perror("cannot create GTP device\n");
|
| 99 |
157 |
exit(EXIT_FAILURE);
|
| ... | ... | |
| 103 |
161 |
"this process running for testing purposes.\n");
|
| 104 |
162 |
|
| 105 |
163 |
while (1) {
|
| 106 |
|
struct sockaddr_in addr;
|
| 107 |
|
socklen_t len = sizeof(addr);
|
|
164 |
union {
|
|
165 |
struct sockaddr_in addr;
|
|
166 |
struct sockaddr_in6 addr6;
|
|
167 |
} sock;
|
| 108 |
168 |
|
| 109 |
|
ret = recvfrom(fd1, buf, sizeof(buf), 0,
|
| 110 |
|
(struct sockaddr *)&addr, &len);
|
|
169 |
ret = recvfrom(gtp_sock.fd1, buf, sizeof(buf), 0,
|
|
170 |
(struct sockaddr *)&sock, >p_sock.len);
|
| 111 |
171 |
printf("received %d bytes via UDP socket\n", ret);
|
| 112 |
172 |
}
|
| 113 |
173 |
|
