| author | Tero Marttila <terom@fixme.fi> |
| Mon, 17 Aug 2009 01:29:31 +0300 | |
| changeset 20 | 0e4933d5862e |
| parent 17 | qmsk/net/socket/addr.pyx@5f4077a530b0 |
| child 22 | f6e8d5e37998 |
| permissions | -rw-r--r-- |
|
11
7ae92c2b433f
move libc+py back to qmsk.net.x
Tero Marttila <terom@fixme.fi>
parents:
10
diff
changeset
|
1 |
cimport qmsk.net.libc as libc |
| 6 | 2 |
|
|
20
0e4933d5862e
rename qmsk.net.socket.addr -> qmsk.net.socket.address
Tero Marttila <terom@fixme.fi>
parents:
17
diff
changeset
|
3 |
from qmsk.net.socket.address cimport * |
| 10 | 4 |
|
5 |
cimport qmsk.net.socket.platform as platform |
|
| 6 | 6 |
|
7 |
cdef class sockaddr : |
|
| 10 | 8 |
cdef void _init_family (self, platform.sa_family_t family=platform.AF_UNSPEC) : |
| 6 | 9 |
self.family = family |
10 |
||
11 |
# XXX:use size_t |
|
| 10 | 12 |
cdef int _get_sockaddr (self, platform.sockaddr **sa_ptr, platform.socklen_t *sa_len) except -1 : |
| 6 | 13 |
""" |
14 |
Get the sockaddr pointer and sockaddr length for this address |
|
15 |
""" |
|
16 |
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17 |
raise NotImplementedError() |
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18 |
||
| 10 | 19 |
cdef platform.sockaddr* _get_sockaddr_ptr (self) except NULL : |
| 6 | 20 |
""" |
21 |
Get the sockaddr pointer |
|
22 |
""" |
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23 |
||
| 10 | 24 |
cdef platform.sockaddr *sa |
25 |
cdef platform.socklen_t sa_len |
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| 6 | 26 |
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27 |
self._get_sockaddr(&sa, &sa_len) |
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28 |
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29 |
return sa |
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30 |
||
| 10 | 31 |
cdef platform.socklen_t _get_sockaddr_len (self) except -1 : |
| 6 | 32 |
""" |
33 |
Get the sockaddr len |
|
34 |
""" |
|
35 |
||
| 10 | 36 |
cdef platform.sockaddr *sa |
37 |
cdef platform.socklen_t sa_len |
|
| 6 | 38 |
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39 |
self._get_sockaddr(&sa, &sa_len) |
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40 |
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return sa_len |
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42 |
||
| 10 | 43 |
cdef int _set_sockaddr (self, platform.sockaddr *sa, size_t sa_len) except -1 : |
| 6 | 44 |
""" |
45 |
Set the sockaddr value for this address; sa_len must match! |
|
46 |
""" |
|
47 |
||
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raise NotImplementedError() |
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49 |
||
50 |
def getnameinfo (self) : |
|
51 |
""" |
|
52 |
Returns a (host, serv) tuple for this address à la getnameinfo |
|
53 |
""" |
|
54 |
||
| 10 | 55 |
cdef platform.sockaddr *sa |
56 |
cdef platform.socklen_t sa_len |
|
| 6 | 57 |
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58 |
# XXX: take as args? |
|
| 10 | 59 |
cdef int flags = platform.NI_NUMERICHOST | platform.NI_NUMERICSERV |
| 6 | 60 |
|
61 |
# get our abstract sockaddr |
|
62 |
self._get_sockaddr(&sa, &sa_len) |
|
63 |
||
64 |
# get nice text format |
|
| 10 | 65 |
return platform.getnameinfo(sa, sa_len, flags) |
| 6 | 66 |
|
67 |
property addr : |
|
68 |
""" |
|
69 |
The ASCII literal network address |
|
70 |
""" |
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71 |
||
72 |
def __get__ (self) : |
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73 |
""" |
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74 |
Default implmentation using getnameinfo() |
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75 |
""" |
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76 |
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addr, port = self.getnameinfo() |
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78 |
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return addr |
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80 |
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property port : |
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82 |
""" |
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The integer port number |
|
84 |
""" |
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85 |
||
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def __get__ (self) : |
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87 |
""" |
|
88 |
Default implementation using getnameinfo() and int() |
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89 |
""" |
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90 |
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91 |
addr, port = self.getnameinfo() |
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92 |
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93 |
return int(port) |
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17
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
94 |
|
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
95 |
def __repr__ (self) : |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
96 |
return "sockaddr(%d, %s, %d)" % (self.family, self.addr, self.port) |
| 6 | 97 |
|
98 |
cdef class sockaddr_in (sockaddr) : |
|
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""" |
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100 |
AF_INET struct sockaddr_in |
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101 |
||
102 |
>>> sa = sockaddr_in("127.0.0.1", 80)
|
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103 |
>>> sa.addr |
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'127.0.0.1' |
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>>> sa.port |
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80 |
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107 |
>>> str(sa) |
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'127.0.0.1:80' |
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>>> str(sockaddr_in()) |
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'0.0.0.0:0' |
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""" |
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112 |
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113 |
# the struct sockaddr_in |
|
| 10 | 114 |
cdef platform.sockaddr_in sockaddr |
| 6 | 115 |
|
| 10 | 116 |
def __init__ (self, object addr=None, platform.in_port_t port=0) : |
| 6 | 117 |
""" |
118 |
Construct using given literal IPv4 address and TCP/UDP port |
|
119 |
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120 |
addr - IPv4 address, defaults to INADDR_ANY (0.0.0.0) |
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port - TCP/UDP port, defaults to 0 (ephemeral) |
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""" |
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123 |
||
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# store our family |
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125 |
# XXX: this should be a class attribute... |
|
| 10 | 126 |
self._init_family(platform.AF_INET) |
| 6 | 127 |
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128 |
# constant af |
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129 |
self.sockaddr.sin_family = self.family |
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130 |
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# set the sin_port |
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| 10 | 132 |
self.sockaddr.sin_port = platform.htons(port) |
| 6 | 133 |
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134 |
if addr : |
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# set the sin_addr |
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# this automatically converts the addr from str -> char * |
|
| 10 | 137 |
platform.inet_pton(self.family, addr, &self.sockaddr.sin_addr) |
| 6 | 138 |
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139 |
else : |
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140 |
# set as INADDR_ANY |
|
| 10 | 141 |
self.sockaddr.sin_addr.s_addr = platform.INADDR_ANY |
| 6 | 142 |
|
| 10 | 143 |
cdef int _get_sockaddr (self, platform.sockaddr **sa_ptr, platform.socklen_t *sa_len) except -1 : |
| 6 | 144 |
if sa_ptr : |
| 10 | 145 |
sa_ptr[0] = <platform.sockaddr *> &self.sockaddr |
| 6 | 146 |
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147 |
if sa_len : |
|
148 |
sa_len[0] = sizeof(self.sockaddr) |
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149 |
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150 |
return 0 |
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151 |
||
| 10 | 152 |
cdef int _set_sockaddr (self, platform.sockaddr *sa, size_t sa_len) except -1 : |
| 6 | 153 |
assert sa_len == sizeof(self.sockaddr) |
154 |
||
155 |
libc.memcpy(&self.sockaddr, sa, sa_len) |
|
156 |
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property port : |
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158 |
""" |
|
159 |
The integer port number |
|
160 |
""" |
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161 |
||
162 |
def __get__ (self) : |
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| 10 | 163 |
return platform.ntohs(self.sockaddr.sin_port) |
| 6 | 164 |
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def __str__ (self) : |
|
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""" |
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Return the literal ASCII representation for this sockaddr as an '<addr>:<port> string |
|
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""" |
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169 |
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# format |
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return "%s:%s" % self.getnameinfo() |
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172 |
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cdef class sockaddr_in6 (sockaddr) : |
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""" |
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AF_INET6 struct sockaddr_in6 |
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176 |
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>>> sa6 = sockaddr_in6("::1", 80)
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>>> sa6.addr |
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'::1' |
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>>> sa6.port |
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80 |
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>>> str(sa6) |
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'[::1]:80' |
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184 |
>>> str(sockaddr_in6()) |
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'[::]:0' |
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""" |
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187 |
||
| 10 | 188 |
cdef platform.sockaddr_in6 sockaddr |
| 6 | 189 |
|
| 10 | 190 |
def __init__ (self, object addr=None, platform.in_port_t port=0) : |
| 6 | 191 |
""" |
192 |
Construct using given literal IPv6 address and TCP/UDP port |
|
193 |
||
| 10 | 194 |
addr - IPv6 address, defaults to platform.in6addr_any (::) |
| 6 | 195 |
port - TCP/UDP port, defaults to 0 (ephemeral) |
196 |
""" |
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197 |
||
198 |
# store our family |
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199 |
# XXX: this should be a class attribute... |
|
| 10 | 200 |
self._init_family(platform.AF_INET6) |
| 6 | 201 |
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202 |
# constant af |
|
203 |
self.sockaddr.sin6_family = self.family |
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204 |
||
205 |
# set the sin_port |
|
| 10 | 206 |
self.sockaddr.sin6_port = platform.htons(port) |
| 6 | 207 |
|
208 |
if addr : |
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209 |
# set the sin_addr |
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210 |
# this automatically converts the addr from str -> char * |
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| 10 | 211 |
platform.inet_pton(self.family, addr, &self.sockaddr.sin6_addr) |
| 6 | 212 |
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213 |
else : |
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214 |
# set as INADDR_ANY |
|
| 10 | 215 |
self.sockaddr.sin6_addr = platform.in6addr_any |
| 6 | 216 |
|
| 10 | 217 |
cdef int _get_sockaddr (self, platform.sockaddr **sa_ptr, platform.socklen_t *sa_len) except -1 : |
| 6 | 218 |
if sa_ptr : |
| 10 | 219 |
sa_ptr[0] = <platform.sockaddr *> &self.sockaddr |
| 6 | 220 |
|
221 |
if sa_len : |
|
222 |
sa_len[0] = sizeof(self.sockaddr) |
|
223 |
||
224 |
return 0 |
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225 |
||
| 10 | 226 |
cdef int _set_sockaddr (self, platform.sockaddr *sa, size_t sa_len) except -1 : |
| 6 | 227 |
assert sa_len == sizeof(self.sockaddr) |
228 |
||
229 |
libc.memcpy(&self.sockaddr, sa, sa_len) |
|
230 |
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231 |
property port : |
|
232 |
""" |
|
233 |
The integer port number |
|
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""" |
|
235 |
||
236 |
def __get__ (self) : |
|
| 10 | 237 |
return platform.ntohs(self.sockaddr.sin6_port) |
| 6 | 238 |
|
239 |
||
240 |
def __str__ (self) : |
|
241 |
""" |
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Return the literal ASCII representation for this sockaddr as a '[<addr>]:<port> string |
|
243 |
""" |
|
244 |
||
245 |
# format |
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return "[%s]:%s" % self.getnameinfo() |
|
247 |
||
248 |
# mapping of AF -> sockaddr, user-modifyable |
|
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SOCKADDR_BY_FAMILY = {
|
|
| 10 | 250 |
platform.AF_INET: sockaddr_in, |
251 |
platform.AF_INET6: sockaddr_in6, |
|
| 6 | 252 |
} |
253 |
||
254 |
# build a sockaddr from the given sockaddr struct, based on sa_family |
|
| 10 | 255 |
cdef sockaddr build_sockaddr (platform.sockaddr *sa, size_t sa_len) : |
| 6 | 256 |
# lookup correct class to use |
257 |
addr_type = SOCKADDR_BY_FAMILY[sa.sa_family] |
|
258 |
||
259 |
# construct with defaults |
|
260 |
cdef sockaddr addr = addr_type() |
|
261 |
||
262 |
# store |
|
263 |
addr._set_sockaddr(sa, sa_len) |
|
264 |
||
265 |
return addr |
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266 |
||
267 |
cdef class addrinfo : |
|
268 |
||
| 10 | 269 |
cdef _init_addrinfo (self, platform.addrinfo *ai) : |
| 6 | 270 |
#ai.flags = c_ai.ai_flags |
271 |
self.family = ai.ai_family |
|
272 |
self.socktype = ai.ai_socktype |
|
273 |
self.protocol = ai.ai_protocol |
|
274 |
self.addr = build_sockaddr(ai.ai_addr, ai.ai_addrlen) |
|
275 |
self.canonname = ai.ai_canonname if ai.ai_canonname else None |
|
276 |
||
277 |
def __str__ (self) : |
|
278 |
return "family=%d, socktype=%d, protocol=%d, addr=%s, canonname=%s" % (self.family, self.socktype, self.protocol, self.addr, self.canonname) |
|
279 |
||
| 10 | 280 |
cdef addrinfo build_addrinfo (platform.addrinfo *c_ai) : |
| 6 | 281 |
cdef addrinfo ai = addrinfo() |
282 |
||
283 |
ai._init_addrinfo(c_ai) |
|
284 |
||
285 |
return ai |
|
286 |
||
287 |
cdef class endpoint : |
|
288 |
||
289 |
def __init__ (self, hostname=None, service=None) : |
|
290 |
""" |
|
291 |
Construct with the given hostname/service, either of which may be None. |
|
292 |
||
293 |
A hostname of None implies all valid local addresses (with AI_PASSIVE), and a service of None implies an |
|
294 |
ephemeral port. |
|
295 |
||
296 |
hostname - the literal address or DNS hostname or anything else that GAI supports |
|
297 |
service - the numeric port or service name |
|
298 |
""" |
|
299 |
||
300 |
self.hostname = str(hostname) |
|
301 |
self.service = str(service) |
|
302 |
||
| 10 | 303 |
cpdef getaddrinfo (self, int family, int socktype, int protocol = 0, int flags = platform.AI_PASSIVE) : |
| 6 | 304 |
""" |
305 |
Look up our hostname/service using the given socket parameters, and return a sequence of addrinfo objects. |
|
306 |
""" |
|
307 |
||
308 |
# XXX: Cython doesn't support proper compound value literals... |
|
| 10 | 309 |
cdef platform.addrinfo hints |
| 6 | 310 |
|
311 |
libc.memset(&hints, 0, sizeof(hints)) |
|
312 |
hints.ai_flags = flags |
|
313 |
hints.ai_family = family |
|
314 |
hints.ai_socktype = socktype |
|
315 |
hints.ai_protocol = protocol |
|
316 |
||
| 10 | 317 |
cdef platform.addrinfo *res, *r |
| 6 | 318 |
cdef int err |
319 |
cdef object ret = [] |
|
320 |
||
321 |
cdef char *hostname = NULL |
|
322 |
cdef char *service = NULL |
|
323 |
||
324 |
if self.hostname is not None : |
|
325 |
hostname = self.hostname |
|
326 |
||
327 |
if self.service is not None : |
|
328 |
service = self.service |
|
329 |
||
330 |
# operate! |
|
| 10 | 331 |
err = platform.c_getaddrinfo(hostname, service, &hints, &res) |
| 6 | 332 |
|
333 |
try : |
|
334 |
if err : |
|
335 |
# XXX: raise a GAIError |
|
| 10 | 336 |
raise Exception(platform.gai_strerror(err)) |
| 6 | 337 |
|
338 |
# gather results |
|
339 |
r = res |
|
340 |
||
341 |
while r : |
|
342 |
ret.append(build_addrinfo(r)) |
|
343 |
||
344 |
r = r.ai_next |
|
345 |
||
346 |
# ok |
|
347 |
return ret |
|
348 |
||
349 |
finally : |
|
| 10 | 350 |
platform.c_freeaddrinfo(res) |
| 6 | 351 |
|
352 |
def __str__ (self) : |
|
353 |
return "hostname=%s, service=%s" % (self.hostname, self.service) |
|
354 |