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
|
/* $%BEGINLICENSE%$
Copyright (C) 2008 MySQL AB, 2008 Sun Microsystems, Inc
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
$%ENDLICENSE%$ */
#include <lua.h>
#include <arpa/inet.h>
#include "lua-env.h"
#include "glib-ext.h"
#include "network-address.h"
#include "network-address-lua.h"
#define C(x) x, sizeof(x) - 1
#define S(x) x->str, x->len
static int proxy_address_get(lua_State *L) {
network_address *addr = *(network_address **)luaL_checkself(L);
gsize keysize = 0;
const char *key = luaL_checklstring(L, 2, &keysize);
if (strleq(key, keysize, C("type"))) {
lua_pushinteger(L, addr->addr.common.sa_family);
} else if (strleq(key, keysize, C("name"))) {
lua_pushlstring(L, S(addr->name));
} else if (strleq(key, keysize, C("address"))) {
char dst_addr[INET6_ADDRSTRLEN];
const char *str = NULL;
switch (addr->addr.common.sa_family) {
case AF_INET:
str = inet_ntop(addr->addr.common.sa_family, &addr->addr.ipv4.sin_addr, dst_addr, sizeof(dst_addr));
if (!str) {
/* it shouldn't really fail, how about logging it ? */
}
break;
case AF_INET6:
str = inet_ntop(addr->addr.common.sa_family, &addr->addr.ipv6.sin6_addr, dst_addr, sizeof(dst_addr));
if (!str) {
/* it shouldn't really fail, how about logging it ? */
}
break;
case AF_UNIX:
str = addr->addr.un.sun_path;
break;
default:
break;
}
if (NULL == str) {
lua_pushnil(L);
} else {
lua_pushstring(L, str);
}
} else if (strleq(key, keysize, C("port"))) {
switch (addr->addr.common.sa_family) {
case AF_INET:
lua_pushinteger(L, ntohs(addr->addr.ipv4.sin_port));
break;
case AF_INET6:
lua_pushinteger(L, ntohs(addr->addr.ipv6.sin6_port));
break;
default:
lua_pushnil(L);
break;
}
} else {
lua_pushnil(L);
}
return 1;
}
int network_address_lua_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", proxy_address_get },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
int network_address_lua_push(lua_State *L, network_address *addr) {
network_address **address_p;
if (!addr) {
lua_pushnil(L);
return 1;
}
address_p = lua_newuserdata(L, sizeof(network_address));
*address_p = addr;
network_address_lua_getmetatable(L);
lua_setmetatable(L, -2); /* tie the metatable to the table (sp -= 1) */
return 1;
}
|