1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
#include "pipe/p_compiler.h"
#include "util/u_network.h"
#include "util/u_debug.h"
#include "util/u_string.h"
#include <stdio.h>
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
# include <winsock2.h>
# include <windows.h>
# include <ws2tcpip.h>
#elif defined(PIPE_OS_LINUX) || defined(PIPE_OS_HAIKU) || \
defined(PIPE_OS_APPLE) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
# include <sys/socket.h>
# include <netinet/in.h>
# include <unistd.h>
# include <fcntl.h>
# include <netdb.h>
#else
# warning "No socket implementation"
#endif
boolean
u_socket_init()
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
WORD wVersionRequested;
WSADATA wsaData;
int err;
/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
wVersionRequested = MAKEWORD(1, 1);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
debug_printf("WSAStartup failed with error: %d\n", err);
return FALSE;
}
return TRUE;
#elif defined(PIPE_HAVE_SOCKETS)
return TRUE;
#else
return FALSE;
#endif
}
void
u_socket_stop()
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
WSACleanup();
#endif
}
void
u_socket_close(int s)
{
if (s < 0)
return;
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_HAIKU) \
|| defined(PIPE_OS_APPLE) || defined(PIPE_OS_SOLARIS)
shutdown(s, SHUT_RDWR);
close(s);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
shutdown(s, SD_BOTH);
closesocket(s);
#else
assert(0);
#endif
}
int u_socket_accept(int s)
{
#if defined(PIPE_HAVE_SOCKETS)
return accept(s, NULL, NULL);
#else
return -1;
#endif
}
int
u_socket_send(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return send(s, data, size, 0);
#else
return -1;
#endif
}
int
u_socket_peek(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return recv(s, data, size, MSG_PEEK);
#else
return -1;
#endif
}
int
u_socket_recv(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return recv(s, data, size, 0);
#else
return -1;
#endif
}
int
u_socket_connect(const char *hostname, uint16_t port)
{
#if defined(PIPE_HAVE_SOCKETS)
int s, r;
struct addrinfo hints, *addr;
char portString[20];
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC; // AF_INET or AF_INET6 to force version
hints.ai_socktype = SOCK_STREAM;
util_snprintf(portString, sizeof(portString), "%d", port);
r = getaddrinfo(hostname, portString, NULL, &addr);
if (r != 0) {
return -1;
}
s = socket(addr->ai_family, SOCK_STREAM, IPPROTO_TCP);
if (s < 0) {
freeaddrinfo(addr);
return -1;
}
if (connect(s, addr->ai_addr, (int) addr->ai_addrlen)) {
u_socket_close(s);
freeaddrinfo(addr);
return -1;
}
freeaddrinfo(addr);
return s;
#else
assert(0);
return -1;
#endif
}
int
u_socket_listen_on_port(uint16_t portnum)
{
#if defined(PIPE_HAVE_SOCKETS)
int s;
struct sockaddr_in sa;
memset(&sa, 0, sizeof(struct sockaddr_in));
sa.sin_family = AF_INET;
sa.sin_port = htons(portnum);
s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s < 0)
return -1;
if (bind(s, (struct sockaddr *)&sa, sizeof(struct sockaddr_in)) == -1) {
u_socket_close(s);
return -1;
}
listen(s, 0);
return s;
#else
assert(0);
return -1;
#endif
}
void
u_socket_block(int s, boolean block)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_HAIKU) \
|| defined(PIPE_OS_APPLE) || defined(PIPE_OS_SOLARIS)
int old = fcntl(s, F_GETFL, 0);
if (old == -1)
return;
/* TODO obey block */
if (block)
fcntl(s, F_SETFL, old & ~O_NONBLOCK);
else
fcntl(s, F_SETFL, old | O_NONBLOCK);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
u_long iMode = block ? 0 : 1;
ioctlsocket(s, FIONBIO, &iMode);
#else
assert(0);
#endif
}
|