author | Tero Marttila <terom@fixme.fi> |
Mon, 17 Aug 2009 01:24:28 +0300 | |
changeset 19 | e6b670dbfe3b |
parent 18 | 43a57943af9f |
child 20 | 0e4933d5862e |
permissions | -rw-r--r-- |
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broke Cython with this package magic
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1 |
from qmsk.net.socket.socket cimport * |
74fde84264b1
broke Cython with this package magic
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2 |
from qmsk.net.socket.addr cimport sockaddr, build_sockaddr |
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|
10 | 4 |
cimport qmsk.net.socket.platform as platform |
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cimport qmsk.net.libc as libc, qmsk.net.py as py |
6 | 6 |
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from qmsk.net.py cimport raise_errno |
6 | 8 |
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cdef parse_sockaddr (platform.sockaddr **sa_ptr, platform.socklen_t *sa_len, sockaddr addr, int optional = 0) : |
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if addr is not None : |
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11 |
addr._get_sockaddr(sa_ptr, sa_len) |
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elif optional : |
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sa_ptr[0] = NULL |
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sa_len[0] = 0 |
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else : |
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raise ValueError(addr) |
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cdef parse_buf (void **buf_ptr, size_t *buf_len, object buf, int optional = 0) : |
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cdef libc.ssize_t tmp_len |
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if buf is not None : |
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# XXX: test that except works right |
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# XXX: this complains about const... |
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py.PyObject_AsCharBuffer(buf, <char **> buf_ptr, &tmp_len) |
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# XXX: ensure that this is >= 0 |
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buf_len[0] = tmp_len |
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elif optional : |
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buf_ptr[0] = NULL |
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buf_len[0] = 0 |
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else : |
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raise ValueError(buf) |
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## helper for socket.recv* |
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# XXX: make sure these don't leak the PyString in case of errors... |
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cdef struct sockbuf : |
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py.PyObject *str |
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cdef char* sockbuf_init (sockbuf *buf, size_t len) : |
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""" |
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Initialize the sockbuf to contain a PyString that can hold `len` bytes, and return a pointer into its |
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contents as a char*. |
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|
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Note that this requires use of a try-finally with sockbuf_deinit... |
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""" |
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|
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buf.str = py.PyString_FromStringAndSize(NULL, len) |
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return py.PyString_AS_STRING(buf.str) |
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|
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cdef object sockbuf_truncate (sockbuf *buf, size_t len) : |
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""" |
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Truncate the given sockbuf's PyString to the given length, and return the PyObject* |
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""" |
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59 |
|
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# optimize for the no-need-to-resize case |
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# this also fixes behaviour for zero-length strings (heh), since they're interned and can't be resized |
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if len != py.PyString_GET_SIZE(buf.str) : |
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py._PyString_Resize(&buf.str, len) |
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|
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return <object> buf.str |
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cdef void sockbuf_deinit (sockbuf *buf) : |
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""" |
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Release the PyObject. |
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|
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This is safe if the sockbuf was initialized to zero. |
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""" |
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|
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py.Py_XDECREF(buf.str) |
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|
6 | 76 |
# XXX: do some GIL-releasin' |
8 | 77 |
cdef class socket : |
6 | 78 |
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def __cinit__ (self) : |
6 | 80 |
""" |
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Initialize the socket to set fd to -1, so that we dont't try and close stdin too often :) |
6 | 82 |
""" |
83 |
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84 |
self.fd = -1 |
6 | 85 |
|
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def __init__ (self, int family = platform.AF_INET, int socktype = platform.SOCK_STREAM, int protocol = 0, int fd = -1) : |
6 | 87 |
""" |
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Create a new socket endpoint with the given family/domain, socktype and optionally, specific protocol, |
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89 |
unless the fd argument is given as >= 0, in which case it used directly. |
6 | 90 |
|
91 |
family - one of AF_* |
|
92 |
socktype - one of SOCK_* |
|
93 |
protocol - one of IPPROTO_* or zero to select default |
|
94 |
""" |
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95 |
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96 |
if fd >= 0 : |
a1091632a8a7
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# given fd |
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98 |
self.fd = fd |
a1091632a8a7
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99 |
|
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100 |
else : |
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101 |
# socket() |
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102 |
self.fd = platform.socket(family, socktype, protocol) |
6 | 103 |
|
104 |
# trap |
|
105 |
if self.fd < 0 : |
|
106 |
raise_errno('socket') |
|
107 |
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def fileno (self) : |
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109 |
""" |
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Returns the OS-level file desriptor for this socket as an integer |
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111 |
""" |
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112 |
|
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113 |
return self.fd |
19 | 114 |
|
115 |
def setblocking (self, bint blocking = True) : |
|
116 |
""" |
|
117 |
Control the OS-level nonblocking-IO mode flag for this socket. |
|
118 |
||
119 |
blocking - True for normal blocking operation, False to use non-blocking operation |
|
120 |
""" |
|
121 |
||
122 |
# fcntl magic |
|
123 |
libc.fcntl_set_flag(self.fd, libc.O_NONBLOCK, not blocking) |
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124 |
|
6 | 125 |
def bind (self, sockaddr addr) : |
126 |
""" |
|
127 |
Bind this socket to the given local socket address. The given sockaddr should be of the same or a |
|
128 |
compatible address family. |
|
129 |
||
130 |
addr - the local address to bind to. The port may be zero to let the system choose an unused |
|
131 |
ephemeral port. |
|
132 |
""" |
|
133 |
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134 |
cdef platform.sockaddr *sa |
10 | 135 |
cdef platform.socklen_t sa_len |
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136 |
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137 |
# XXX: require non-NULL addr? |
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138 |
parse_sockaddr(&sa, &sa_len, addr, 1) |
6 | 139 |
|
140 |
# bind() |
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141 |
if platform.bind(self.fd, sa, sa_len) : |
6 | 142 |
raise_errno('bind') |
143 |
||
144 |
def listen (self, int backlog) : |
|
145 |
""" |
|
146 |
Listen for connections, marking this socket as a passive socket, which can accept incoming connection |
|
147 |
requests using sock.accept(). |
|
148 |
||
149 |
It is customary to call .bind() before .listen(). |
|
150 |
||
151 |
backlog - maximum number of pending connections (those not yet .accept()'d). |
|
152 |
""" |
|
153 |
||
154 |
# listen() |
|
10 | 155 |
if platform.listen(self.fd, backlog) : |
6 | 156 |
raise_errno('listen') |
157 |
||
158 |
def connect (self, sockaddr addr) : |
|
159 |
""" |
|
160 |
Initiate a connection, connecting this socket to the remote endpoint specified by `addr`. The given sockaddr |
|
161 |
should be of the same or a compatible address family. |
|
162 |
||
163 |
If the socket is in non-blocking mode, this will presumeably return errno.EINPROGRESS. |
|
164 |
||
165 |
If the socket has not yet been bound (using .bind()), the system will pick an appropriate local address and |
|
166 |
ephemeral port. |
|
167 |
||
168 |
addr - the remote address to connect to. |
|
169 |
""" |
|
170 |
||
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cdef platform.sockaddr *sa |
10 | 172 |
cdef platform.socklen_t sa_len |
6 | 173 |
|
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# XXX: require non-NULL addr? |
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parse_sockaddr(&sa, &sa_len, addr, 1) |
6 | 176 |
|
177 |
# connect() |
|
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if platform.connect(self.fd, sa, sa_len) : |
6 | 179 |
raise_errno('connect') |
180 |
||
181 |
def accept (self) : |
|
182 |
""" |
|
183 |
Accept a connection, dequeueing the first pending connection and returning a new sock object for it. This |
|
184 |
socket must be a connection-based socket (SOCK_STREAM/SOCK_SEQPACKET) and in the passive listening mode |
|
185 |
(.listen()). |
|
186 |
||
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This returns a (sock, src_addr) tuple: |
6 | 188 |
sock - the newly created sock, corresponding to the incoming connection |
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src_addr - the remote address of the incoming connection |
6 | 190 |
""" |
191 |
||
192 |
# prep the sockaddr that we will return |
|
10 | 193 |
cdef platform.sockaddr_storage ss |
194 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
6 | 195 |
|
196 |
# accept() |
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cdef socket_t sock_fd = platform.accept(self.fd, <platform.sockaddr *> &ss, &ss_len) |
6 | 198 |
|
199 |
if sock_fd < 0 : |
|
200 |
raise_errno('accept') |
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201 |
|
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202 |
try : |
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203 |
# prep the new socket |
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204 |
sock_obj = socket(fd=sock_fd) |
6 | 205 |
|
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206 |
except : |
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207 |
# XXX: don't leak the socket fd? How does socket.__init__ handle this? |
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208 |
platform.close(sock_fd) |
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209 |
|
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210 |
raise |
6 | 211 |
|
212 |
# prep the new addr |
|
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213 |
cdef sockaddr src_addr = build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
6 | 214 |
|
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return sock_obj, src_addr |
18 | 216 |
|
217 |
def getsockname (self) : |
|
218 |
""" |
|
219 |
Get the local address this socket is currently bound to. This can be set using bind(), or automatically. |
|
220 |
||
221 |
Returns a sockaddr object. |
|
222 |
""" |
|
223 |
||
224 |
# prep the sockaddr that we will return |
|
225 |
cdef platform.sockaddr_storage ss |
|
226 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
227 |
||
228 |
# getsockname() |
|
229 |
if platform.getsockname(self.fd, <platform.sockaddr *> &ss, &ss_len) : |
|
230 |
raise_errno('getsockname') |
|
231 |
||
232 |
# build the new sockaddr |
|
233 |
return build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
|
234 |
||
235 |
def getpeername (self) : |
|
236 |
""" |
|
237 |
Get the remote address this socket is currently connected to. |
|
238 |
||
239 |
Returns a sockaddr object. |
|
240 |
""" |
|
241 |
||
242 |
# prep the sockaddr that we will return |
|
243 |
cdef platform.sockaddr_storage ss |
|
244 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
245 |
||
246 |
# getpeername() |
|
247 |
if platform.getpeername(self.fd, <platform.sockaddr *> &ss, &ss_len) : |
|
248 |
raise_errno('getpeername') |
|
249 |
||
250 |
# build the new sockaddr |
|
251 |
return build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
|
6 | 252 |
|
253 |
def send (self, object buf, int flags = 0) : |
|
254 |
""" |
|
255 |
Transmit a message to the connected remote endpoint. |
|
256 |
||
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257 |
buf - the data to send |
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258 |
flags - (optional) MSG_* flags to send with |
6 | 259 |
|
260 |
Returns the number of bytes sent, which may be less than the length of buf. |
|
261 |
""" |
|
262 |
||
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263 |
cdef void *buf_ptr |
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264 |
cdef size_t buf_len |
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265 |
cdef libc.ssize_t ret |
6 | 266 |
|
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267 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
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268 |
|
6 | 269 |
# send() |
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270 |
ret = platform.send(self.fd, buf_ptr, buf_len, flags) |
6 | 271 |
|
272 |
if ret < 0 : |
|
273 |
raise_errno('send') |
|
274 |
||
275 |
else : |
|
276 |
return ret |
|
277 |
||
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278 |
def sendto (self, object buf, int flags = 0, sockaddr addr = None) : |
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279 |
""" |
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280 |
Transmit a message to the given remote endpoint. If this socket is connected, the addr must not be |
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281 |
specified, and this acts like send() |
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282 |
|
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283 |
buf - the data to send |
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284 |
flags - (optional) MSG_* flags to send with |
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285 |
addr - (optional) target address |
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286 |
|
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287 |
Returns the number of bytes sent, which may be less than the length of buf. |
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288 |
""" |
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289 |
|
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290 |
cdef void *buf_ptr |
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291 |
cdef size_t buf_len |
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292 |
cdef libc.ssize_t ret |
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293 |
|
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294 |
cdef platform.sockaddr *sa |
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295 |
cdef platform.socklen_t sa_len |
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296 |
|
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297 |
parse_sockaddr(&sa, &sa_len, addr, 1) |
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298 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
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299 |
|
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300 |
# send() |
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301 |
ret = platform.sendto(self.fd, buf_ptr, buf_len, flags, sa, sa_len) |
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302 |
|
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|
303 |
if ret < 0 : |
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304 |
raise_errno('sendto') |
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|
305 |
|
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306 |
else : |
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|
307 |
return ret |
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|
308 |
|
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309 |
def sendmsg (self, sockaddr addr = None, iov = None, control = None, int flags = 0) : |
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310 |
""" |
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311 |
Transmit an extended message to the given remote endpoint (or default for connected sockets) with the given |
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312 |
extra parameters. |
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313 |
|
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314 |
addr - (optional) destination address (struct msghdr::msg_name) |
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315 |
iov - (optional) sequence of read-buffers to transmit |
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316 |
control - (optional) control message to transmit |
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317 |
flags - (optional) MSG_* flags to send with |
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318 |
|
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319 |
Returns the number of bytes sent, which may be less than the total length of iov. |
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320 |
""" |
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321 |
|
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322 |
cdef libc.ssize_t ret |
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323 |
cdef libc.iovec *iovec |
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324 |
cdef platform.msghdr msg |
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325 |
|
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326 |
libc.memset(&msg, 0, sizeof(msg)) |
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327 |
|
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328 |
parse_sockaddr(<platform.sockaddr **> &msg.msg_name, &msg.msg_namelen, addr, 1) |
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329 |
parse_buf(&msg.msg_control, &msg.msg_controllen, control, 1) |
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330 |
|
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331 |
# iov |
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332 |
if iov : |
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333 |
iov = tuple(iov) |
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334 |
|
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335 |
# numerb of bufs = number of iovecs |
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336 |
msg.msg_iovlen = len(iov) |
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337 |
|
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338 |
# alloca the required number of iovec's |
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339 |
msg.msg_iov = <libc.iovec *> libc.alloca(msg.msg_iovlen * sizeof(libc.iovec)) |
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340 |
|
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341 |
# fill in the iovecs |
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342 |
for i, buf in enumerate(iov) : |
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343 |
iovec = &msg.msg_iov[i] |
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344 |
|
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345 |
parse_buf(&iovec.iov_base, &iovec.iov_len, buf, 1) |
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346 |
|
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347 |
# sendmsg() |
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348 |
ret = platform.sendmsg(self.fd, &msg, flags) |
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349 |
|
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350 |
if ret < 0 : |
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
351 |
raise_errno('sendmsg') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
352 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
353 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
354 |
return ret |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
355 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
356 |
def write (self, object buf) : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
357 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
358 |
Write data to socket, mostly equivalent to send() with flags=0. |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
359 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
360 |
buf - the data to send |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
361 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
362 |
Returns the number of bytes sent, which may be less than the length of buf. |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
363 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
364 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
365 |
cdef void *buf_ptr |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
366 |
cdef size_t buf_len |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
367 |
cdef libc.ssize_t ret |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
368 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
369 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
370 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
371 |
# send() |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
372 |
ret = libc.write(self.fd, buf_ptr, buf_len) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
373 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
374 |
if ret < 0 : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
375 |
raise_errno('write') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
376 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
377 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
378 |
return ret |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
379 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
380 |
def writev (self, iov) : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
381 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
382 |
Write data to a socket from multiple read-buffers. |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
383 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
384 |
iov - sequence of read-buffers to transmit |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
385 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
386 |
Returns the number of bytes sent, which may be less than the total length of iov. |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
387 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
388 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
389 |
# iov |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
390 |
cdef libc.iovec *iov_list = NULL |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
391 |
cdef size_t iov_count = 0 |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
392 |
cdef libc.iovec *iovec |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
393 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
394 |
iov = tuple(iov) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
395 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
396 |
# numerb of bufs = number of iovecs |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
397 |
iov_count = len(iov) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
398 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
399 |
# alloca the required number of iovec's |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
400 |
iov_list = <libc.iovec *> libc.alloca(iov_count * sizeof(libc.iovec)) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
401 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
402 |
# fill in the iovecs |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
403 |
for i, buf in enumerate(iov) : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
404 |
iovec = &iov_list[i] |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
405 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
406 |
parse_buf(&iovec.iov_base, &iovec.iov_len, buf, 1) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
407 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
408 |
# sendmsg() |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
409 |
ret = libc.writev(self.fd, iov_list, iov_count) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
410 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
411 |
if ret < 0 : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
412 |
raise_errno('writev') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
413 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
414 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
415 |
return ret |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
416 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
417 |
def recv (self, size_t len, int flags = 0) : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
418 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
419 |
Recieve a message, reading and returning at most `len` bytes. |
13
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
420 |
|
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
421 |
len - size of buffer to use for recv |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
422 |
flags - (optional) MSG_* flags to use for recv() |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
423 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
424 |
Returns the recieved data as a newly allocated string of the correct length. |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
425 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
426 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
427 |
cdef sockbuf sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
428 |
cdef libc.ssize_t ret |
15
8e7037cc05c7
fix socket.accept, and add simple PyString_Resize code
Tero Marttila <terom@fixme.fi>
parents:
14
diff
changeset
|
429 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
430 |
# alloc the recv buffer |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
431 |
cdef char *buf = sockbuf_init(&sb, len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
432 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
433 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
434 |
# recv() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
435 |
ret = platform.recv(self.fd, buf, len, flags) |
15
8e7037cc05c7
fix socket.accept, and add simple PyString_Resize code
Tero Marttila <terom@fixme.fi>
parents:
14
diff
changeset
|
436 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
437 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
438 |
raise_errno('recv') |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
439 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
440 |
# truncate to correct length |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
441 |
return sockbuf_truncate(&sb, ret) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
442 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
443 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
444 |
sockbuf_deinit(&sb) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
445 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
446 |
def recvfrom (self, size_t len, int flags = 0) : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
447 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
448 |
Recieve a message, reading at most `len` bytes, also returning the source address. |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
449 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
450 |
len - size of buffer to use for recv |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
451 |
flags - (optional) MSG_* flags to use for recvfrom() |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
452 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
453 |
Returns the recieved data and the source address as a (buf, src_addr) tuple : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
454 |
buf - a newly allocated string containing the recieved data, of the correct length |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
455 |
src_addr - the source address the message was recieved from |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
456 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
457 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
458 |
cdef sockbuf sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
459 |
cdef libc.ssize_t ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
460 |
cdef object str |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
461 |
cdef sockaddr src_addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
462 |
|
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
463 |
# prep the sockaddr that we will return |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
464 |
cdef platform.sockaddr_storage ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
465 |
cdef platform.socklen_t ss_len = sizeof(ss) |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
466 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
467 |
# alloc recv buf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
468 |
cdef char *buf = sockbuf_init(&sb, len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
469 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
470 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
471 |
# recvfrom() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
472 |
ret = platform.recvfrom(self.fd, buf, len, flags, <platform.sockaddr *> &ss, &ss_len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
473 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
474 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
475 |
raise_errno('recv') |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
476 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
477 |
# truncate |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
478 |
str = sockbuf_truncate(&sb, ret) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
479 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
480 |
# prep the new addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
481 |
src_addr = build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
482 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
483 |
return str, src_addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
484 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
485 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
486 |
sockbuf_deinit(&sb) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
487 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
488 |
def recvmsg (self, bint recv_addr = True, object iov_lens = None, size_t control_len = 0, int flags = 0) : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
489 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
490 |
Recieve a message along with some extra data. |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
491 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
492 |
recv_addr - ask for and return a sockaddr for the source address of the message? |
17
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
493 |
iov_lens - (optional) sequence of buffer sizes to use for the message data iov |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
494 |
control_len - (optional) amount of auxiliary data to recieve |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
495 |
flags - (optional) flags to pass to recvmsg() |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
496 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
497 |
Returns a (name, iovs, control, flags) tuple : |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
498 |
name - the source address of the message, or None |
17
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
499 |
iovs - sequence of strings containing the recieved data corresponding to the iov_lens |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
500 |
control - string containing recieved control message, if any |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
501 |
flags - recieved flags |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
502 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
503 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
504 |
cdef platform.msghdr msg |
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
505 |
cdef sockbuf *sb_list, *sb, cmsg_sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
506 |
cdef libc.iovec *iovec |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
507 |
cdef size_t iov_len, i, msg_len |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
508 |
cdef libc.ssize_t ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
509 |
cdef sockaddr name = None |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
510 |
cdef object iovs = None |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
511 |
cdef object control = None |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
512 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
513 |
libc.memset(&msg, 0, sizeof(msg)) |
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
514 |
libc.memset(&cmsg_sb, 0, sizeof(cmsg_sb)) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
515 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
516 |
# prep the sockaddr that we will return |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
517 |
cdef platform.sockaddr_storage ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
518 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
519 |
# ask for a name? |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
520 |
if recv_addr : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
521 |
msg.msg_name = <void *> &ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
522 |
msg.msg_namelen = sizeof(ss) |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
523 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
524 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
525 |
# build iov? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
526 |
if iov_lens : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
527 |
# stabilize |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
528 |
iov_lens = tuple(iov_lens) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
529 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
530 |
msg.msg_iovlen = len(iov_lens) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
531 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
532 |
# alloc each iov plus a sockbuf for storing the PyString |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
533 |
msg.msg_iov = <libc.iovec *> libc.alloca(msg.msg_iovlen * sizeof(libc.iovec)) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
534 |
sb_list = <sockbuf *> libc.alloca(msg.msg_iovlen * sizeof(sockbuf)) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
535 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
536 |
# zero out so we can cleanup |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
537 |
libc.memset(sb_list, 0, msg.msg_iovlen * sizeof(sockbuf)) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
538 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
539 |
# build each |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
540 |
for i, iov_len in enumerate(iov_lens) : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
541 |
# the associated iovec/sockbuf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
542 |
iovec = &msg.msg_iov[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
543 |
sb = &sb_list[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
544 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
545 |
# set up the sockbuf and iovec |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
546 |
iovec.iov_base = sockbuf_init(&sb_list[i], iov_len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
547 |
iovec.iov_len = iov_len |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
548 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
549 |
# build control buffer? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
550 |
if control_len : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
551 |
msg.msg_control = sockbuf_init(&cmsg_sb, control_len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
552 |
msg.msg_controllen = control_len |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
553 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
554 |
# recvmsg() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
555 |
ret = platform.recvmsg(self.fd, &msg, flags) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
556 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
557 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
558 |
raise_errno('recvmsg') |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
559 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
560 |
# name? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
561 |
if msg.msg_name and msg.msg_namelen : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
562 |
# build a sockaddr for the name |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
563 |
name = build_sockaddr(<platform.sockaddr *> msg.msg_name, msg.msg_namelen) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
564 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
565 |
# iov? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
566 |
if ret : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
567 |
assert msg.msg_iov and msg.msg_iovlen |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
568 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
569 |
iovs = [] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
570 |
msg_len = ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
571 |
i = 0 |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
572 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
573 |
# consume iov's until we have all the data we need |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
574 |
while msg_len : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
575 |
# sanity-check |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
576 |
assert i < msg.msg_iovlen |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
577 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
578 |
# get the associated iovec/sockbuf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
579 |
iovec = &msg.msg_iov[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
580 |
sb = &sb_list[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
581 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
582 |
# calc the size of this iov |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
583 |
# XXX: cdef |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
584 |
iov_len = min(msg_len, iovec.iov_len) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
585 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
586 |
# add it as a string |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
587 |
iovs.append(sockbuf_truncate(sb, iov_len)) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
588 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
589 |
# advance |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
590 |
msg_len -= iov_len |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
591 |
i += 1 |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
592 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
593 |
# control? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
594 |
if msg.msg_control and msg.msg_controllen : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
595 |
# build the PyString for the control message |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
596 |
control = sockbuf_truncate(&cmsg_sb, msg.msg_controllen) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
597 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
598 |
return name, iovs, control, msg.msg_flags |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
599 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
600 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
601 |
# cleanup |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
602 |
sockbuf_deinit(&cmsg_sb) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
603 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
604 |
for i in range(msg.msg_iovlen) : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
605 |
sockbuf_deinit(&sb_list[i]) |
13
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
606 |
|
17
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
607 |
def read (self, size_t len) : |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
608 |
""" |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
609 |
Read data from a socket, mostly equivalent to a recv() with flags=0. |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
610 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
611 |
len - size of buffer to use for recv |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
612 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
613 |
Returns the recieved data as a newly allocated string of the correct length. |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
614 |
""" |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
615 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
616 |
cdef sockbuf sb |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
617 |
cdef libc.ssize_t ret |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
618 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
619 |
# alloc the recv buffer |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
620 |
cdef char *buf = sockbuf_init(&sb, len) |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
621 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
622 |
try : |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
623 |
# recv() |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
624 |
ret = libc.read(self.fd, buf, len) |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
625 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
626 |
if ret < 0 : |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
627 |
raise_errno('read') |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
628 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
629 |
# truncate to correct length |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
630 |
return sockbuf_truncate(&sb, ret) |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
631 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
632 |
finally : |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
633 |
sockbuf_deinit(&sb) |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
634 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
635 |
def readv (self, object iov_lens) : |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
636 |
""" |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
637 |
Read data from a socket into multiple buffers. |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
638 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
639 |
iov_lens - sequence of buffer sizes to use as iovs |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
640 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
641 |
Returns a sequence of strings containing the recieved data corresponding to the iov_lens. |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
642 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
643 |
XXX: implement using real readv instead of faking it with recvmsg... |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
644 |
""" |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
645 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
646 |
# fake using recvmsg |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
647 |
_, iovs, _, _ = self.recvmsg(recv_addr=False, iov_lens=iov_lens) |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
648 |
|
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
649 |
return iovs |
5f4077a530b0
add repr for sockaddr, and implment read for sockets, plus a recvmsg wrapper called readv...
Tero Marttila <terom@fixme.fi>
parents:
16
diff
changeset
|
650 |
|
13
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
651 |
def shutdown (self, how) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
652 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
653 |
Shutdown part of a full-duplex connection. |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
654 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
655 |
how - one of SHUT_* |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
656 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
657 |
This does not affect this socket's fd. |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
658 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
659 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
660 |
# shutdown() |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
661 |
if platform.shutdown(self.fd, how) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
662 |
raise_errno('shutdown') |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
663 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
664 |
def close (self) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
665 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
666 |
Close the socket fd if we have one, invalidating it if succesful. |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
667 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
668 |
Note that this will raise an error and keep the fd if the system close() returns an error. |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
669 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
670 |
Calling this again after a succesfull close() does nothing. |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
671 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
672 |
XXX: SO_LINGER/blocking? |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
673 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
674 |
>>> s = socket() |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
675 |
>>> s.fd >= 0 |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
676 |
True |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
677 |
>>> s.close() |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
678 |
>>> s.fd >= 0 |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
679 |
False |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
680 |
>>> s.close() |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
681 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
682 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
683 |
# ignore if already closed |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
684 |
if self.fd < 0 : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
685 |
return |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
686 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
687 |
# close() |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
688 |
if libc.close(self.fd) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
689 |
raise_errno('close') |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
690 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
691 |
# invalidate |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
692 |
self.fd = -1 |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
693 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
694 |
def __dealloc__ (self) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
695 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
696 |
Close the socket fd if one is set, ignoring any errors from close |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
697 |
""" |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
698 |
|
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
699 |
if self.fd >= 0 : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
700 |
if libc.close(self.fd) : |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
701 |
# XXX: at least warn... ? |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
702 |
pass |
a1091632a8a7
implement __cinit__, shutdown, close, __dealloc__ for socket, and also add a try-except to not leak client sock from accept()
Tero Marttila <terom@fixme.fi>
parents:
12
diff
changeset
|
703 |