author | Tero Marttila <terom@fixme.fi> |
Sat, 26 Sep 2009 21:51:46 +0300 | |
changeset 53 | b2d407968973 |
parent 49 | e2f79e68418a |
permissions | -rw-r--r-- |
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broke Cython with this package magic
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from qmsk.net.socket.socket cimport * |
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from qmsk.net.socket._address cimport sockaddr |
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from qmsk.net.socket.address cimport build_sockaddr |
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10 | 5 |
cimport qmsk.net.socket.platform as platform |
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cimport qmsk.net.libc as libc, qmsk.net.py as py |
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from qmsk.net.py cimport raise_errno |
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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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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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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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|
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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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|
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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 | 77 |
# XXX: do some GIL-releasin' |
8 | 78 |
cdef class socket : |
6 | 79 |
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def __cinit__ (self) : |
6 | 81 |
""" |
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Initialize the socket to set fd to -1, so that we dont't try and close stdin too often :) |
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""" |
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self.fd = -1 |
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|
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def __init__ (self, int family = platform.AF_INET, int socktype = platform.SOCK_STREAM, int protocol = 0, int fd = -1) : |
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""" |
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Create a new socket endpoint with the given family/domain, socktype and optionally, specific protocol, |
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unless the fd argument is given as >= 0, in which case it used directly. |
6 | 91 |
|
92 |
family - one of AF_* |
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socktype - one of SOCK_* |
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protocol - one of IPPROTO_* or zero to select default |
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95 |
""" |
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if fd >= 0 : |
a1091632a8a7
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# given fd |
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self.fd = fd |
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|
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else : |
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# socket() |
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self.fd = platform.socket(family, socktype, protocol) |
6 | 104 |
|
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# trap |
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if self.fd < 0 : |
|
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raise_errno('socket') |
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108 |
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def fileno (self) : |
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""" |
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Returns the OS-level file desriptor for this socket as an integer |
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""" |
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|
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return self.fd |
19 | 115 |
|
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116 |
# # XXX: does this *really* belong here? |
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# def setblocking (self, bint blocking = True) : |
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118 |
# """ |
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119 |
# Control the OS-level nonblocking-IO mode flag for this socket. |
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120 |
# |
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121 |
# blocking - True for normal blocking operation, False to use non-blocking operation |
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122 |
# """ |
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123 |
# |
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124 |
# # fcntl magic |
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# libc.fcntl_set_flag(self.fd, libc.O_NONBLOCK, not blocking) |
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126 |
|
6 | 127 |
def bind (self, sockaddr addr) : |
128 |
""" |
|
129 |
Bind this socket to the given local socket address. The given sockaddr should be of the same or a |
|
130 |
compatible address family. |
|
131 |
||
132 |
addr - the local address to bind to. The port may be zero to let the system choose an unused |
|
133 |
ephemeral port. |
|
134 |
""" |
|
135 |
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|
136 |
cdef platform.sockaddr *sa |
10 | 137 |
cdef platform.socklen_t sa_len |
12
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|
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# XXX: require non-NULL addr? |
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parse_sockaddr(&sa, &sa_len, addr, 1) |
6 | 141 |
|
142 |
# bind() |
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if platform.bind(self.fd, sa, sa_len) : |
6 | 144 |
raise_errno('bind') |
145 |
||
146 |
def listen (self, int backlog) : |
|
147 |
""" |
|
148 |
Listen for connections, marking this socket as a passive socket, which can accept incoming connection |
|
149 |
requests using sock.accept(). |
|
150 |
||
151 |
It is customary to call .bind() before .listen(). |
|
152 |
||
153 |
backlog - maximum number of pending connections (those not yet .accept()'d). |
|
154 |
""" |
|
155 |
||
156 |
# listen() |
|
10 | 157 |
if platform.listen(self.fd, backlog) : |
6 | 158 |
raise_errno('listen') |
159 |
||
160 |
def connect (self, sockaddr addr) : |
|
161 |
""" |
|
162 |
Initiate a connection, connecting this socket to the remote endpoint specified by `addr`. The given sockaddr |
|
163 |
should be of the same or a compatible address family. |
|
164 |
||
165 |
If the socket is in non-blocking mode, this will presumeably return errno.EINPROGRESS. |
|
166 |
||
167 |
If the socket has not yet been bound (using .bind()), the system will pick an appropriate local address and |
|
168 |
ephemeral port. |
|
169 |
||
170 |
addr - the remote address to connect to. |
|
171 |
""" |
|
172 |
||
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cdef platform.sockaddr *sa |
10 | 174 |
cdef platform.socklen_t sa_len |
6 | 175 |
|
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# XXX: require non-NULL addr? |
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parse_sockaddr(&sa, &sa_len, addr, 1) |
6 | 178 |
|
179 |
# connect() |
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if platform.connect(self.fd, sa, sa_len) : |
6 | 181 |
raise_errno('connect') |
182 |
||
183 |
def accept (self) : |
|
184 |
""" |
|
185 |
Accept a connection, dequeueing the first pending connection and returning a new sock object for it. This |
|
186 |
socket must be a connection-based socket (SOCK_STREAM/SOCK_SEQPACKET) and in the passive listening mode |
|
187 |
(.listen()). |
|
188 |
||
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This returns a (sock, src_addr) tuple: |
6 | 190 |
sock - the newly created sock, corresponding to the incoming connection |
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src_addr - the remote address of the incoming connection |
6 | 192 |
""" |
193 |
||
194 |
# prep the sockaddr that we will return |
|
10 | 195 |
cdef platform.sockaddr_storage ss |
196 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
6 | 197 |
|
198 |
# accept() |
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cdef socket_t sock_fd = platform.accept(self.fd, <platform.sockaddr *> &ss, &ss_len) |
6 | 200 |
|
201 |
if sock_fd < 0 : |
|
202 |
raise_errno('accept') |
|
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203 |
|
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try : |
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205 |
# prep the new socket |
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sock_obj = socket(fd=sock_fd) |
6 | 207 |
|
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208 |
except : |
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209 |
# XXX: don't leak the socket fd? How does socket.__init__ handle this? |
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platform.close(sock_fd) |
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211 |
|
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212 |
raise |
6 | 213 |
|
214 |
# prep the new addr |
|
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215 |
cdef sockaddr src_addr = build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
6 | 216 |
|
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return sock_obj, src_addr |
18 | 218 |
|
219 |
def getsockname (self) : |
|
220 |
""" |
|
221 |
Get the local address this socket is currently bound to. This can be set using bind(), or automatically. |
|
222 |
||
223 |
Returns a sockaddr object. |
|
224 |
""" |
|
225 |
||
226 |
# prep the sockaddr that we will return |
|
227 |
cdef platform.sockaddr_storage ss |
|
228 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
229 |
||
230 |
# getsockname() |
|
231 |
if platform.getsockname(self.fd, <platform.sockaddr *> &ss, &ss_len) : |
|
232 |
raise_errno('getsockname') |
|
233 |
||
234 |
# build the new sockaddr |
|
235 |
return build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
|
236 |
||
237 |
def getpeername (self) : |
|
238 |
""" |
|
239 |
Get the remote address this socket is currently connected to. |
|
240 |
||
241 |
Returns a sockaddr object. |
|
242 |
""" |
|
243 |
||
244 |
# prep the sockaddr that we will return |
|
245 |
cdef platform.sockaddr_storage ss |
|
246 |
cdef platform.socklen_t ss_len = sizeof(ss) |
|
247 |
||
248 |
# getpeername() |
|
249 |
if platform.getpeername(self.fd, <platform.sockaddr *> &ss, &ss_len) : |
|
250 |
raise_errno('getpeername') |
|
251 |
||
252 |
# build the new sockaddr |
|
253 |
return build_sockaddr(<platform.sockaddr *> &ss, ss_len) |
|
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254 |
|
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|
255 |
def getsockopt_int (self, int level, int opt) : |
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256 |
""" |
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257 |
Get and return the integer value of the given socket option. |
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258 |
""" |
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|
259 |
|
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260 |
cdef int val |
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261 |
cdef platform.socklen_t val_len = sizeof(val) |
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|
262 |
|
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|
263 |
# run |
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|
264 |
if platform.getsockopt(self.fd, level, opt, <void *> &val, &val_len) : |
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|
265 |
raise_errno('getsockopt') |
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|
266 |
|
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|
267 |
# check value length |
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|
268 |
if val_len != sizeof(val) : |
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|
269 |
raise ValueError("value length: %d, should be: %d" % (val_len, sizeof(val))) |
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|
270 |
|
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|
271 |
return val |
6 | 272 |
|
273 |
def send (self, object buf, int flags = 0) : |
|
274 |
""" |
|
275 |
Transmit a message to the connected remote endpoint. |
|
276 |
||
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277 |
buf - the data to send |
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flags - (optional) MSG_* flags to send with |
6 | 279 |
|
280 |
Returns the number of bytes sent, which may be less than the length of buf. |
|
281 |
""" |
|
282 |
||
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|
283 |
cdef void *buf_ptr |
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284 |
cdef size_t buf_len |
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|
285 |
cdef libc.ssize_t ret |
6 | 286 |
|
12
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|
287 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
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|
288 |
|
6 | 289 |
# send() |
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|
290 |
ret = platform.send(self.fd, buf_ptr, buf_len, flags) |
6 | 291 |
|
292 |
if ret < 0 : |
|
293 |
raise_errno('send') |
|
294 |
||
295 |
else : |
|
296 |
return ret |
|
297 |
||
12
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|
298 |
def sendto (self, object buf, int flags = 0, sockaddr addr = None) : |
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|
299 |
""" |
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|
300 |
Transmit a message to the given remote endpoint. If this socket is connected, the addr must not be |
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|
301 |
specified, and this acts like send() |
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|
302 |
|
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|
303 |
buf - the data to send |
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|
304 |
flags - (optional) MSG_* flags to send with |
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addr - (optional) target address |
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|
306 |
|
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307 |
Returns the number of bytes sent, which may be less than the length of buf. |
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|
308 |
""" |
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|
309 |
|
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|
310 |
cdef void *buf_ptr |
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311 |
cdef size_t buf_len |
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|
312 |
cdef libc.ssize_t ret |
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|
313 |
|
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|
314 |
cdef platform.sockaddr *sa |
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|
315 |
cdef platform.socklen_t sa_len |
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|
316 |
|
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317 |
parse_sockaddr(&sa, &sa_len, addr, 1) |
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318 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
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319 |
|
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320 |
# send() |
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321 |
ret = platform.sendto(self.fd, buf_ptr, buf_len, flags, sa, sa_len) |
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322 |
|
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|
323 |
if ret < 0 : |
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324 |
raise_errno('sendto') |
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|
325 |
|
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|
326 |
else : |
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327 |
return ret |
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|
328 |
|
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329 |
def sendmsg (self, sockaddr addr = None, iov = None, control = None, int flags = 0) : |
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330 |
""" |
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|
331 |
Transmit an extended message to the given remote endpoint (or default for connected sockets) with the given |
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332 |
extra parameters. |
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|
333 |
|
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|
334 |
addr - (optional) destination address (struct msghdr::msg_name) |
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335 |
iov - (optional) sequence of read-buffers to transmit |
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336 |
control - (optional) control message to transmit |
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337 |
flags - (optional) MSG_* flags to send with |
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|
338 |
|
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|
339 |
Returns the number of bytes sent, which may be less than the total length of iov. |
314d47bdd4d9
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parents:
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|
340 |
""" |
314d47bdd4d9
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parents:
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diff
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|
341 |
|
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parents:
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diff
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|
342 |
cdef libc.ssize_t ret |
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diff
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|
343 |
cdef libc.iovec *iovec |
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|
344 |
cdef platform.msghdr msg |
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|
345 |
|
314d47bdd4d9
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parents:
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diff
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|
346 |
libc.memset(&msg, 0, sizeof(msg)) |
314d47bdd4d9
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parents:
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diff
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|
347 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
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|
348 |
parse_sockaddr(<platform.sockaddr **> &msg.msg_name, &msg.msg_namelen, addr, 1) |
314d47bdd4d9
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diff
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|
349 |
parse_buf(&msg.msg_control, &msg.msg_controllen, control, 1) |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
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diff
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|
350 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
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|
351 |
# iov |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
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|
352 |
if iov : |
314d47bdd4d9
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parents:
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diff
changeset
|
353 |
iov = tuple(iov) |
314d47bdd4d9
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parents:
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diff
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|
354 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
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|
355 |
# numerb of bufs = number of iovecs |
314d47bdd4d9
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parents:
11
diff
changeset
|
356 |
msg.msg_iovlen = len(iov) |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
357 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
358 |
# alloca the required number of iovec's |
314d47bdd4d9
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parents:
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diff
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|
359 |
msg.msg_iov = <libc.iovec *> libc.alloca(msg.msg_iovlen * sizeof(libc.iovec)) |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
changeset
|
360 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
361 |
# fill in the iovecs |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
362 |
for i, buf in enumerate(iov) : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
363 |
iovec = &msg.msg_iov[i] |
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 |
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
|
366 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
367 |
# sendmsg() |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
368 |
ret = platform.sendmsg(self.fd, &msg, flags) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
369 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
370 |
if ret < 0 : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
371 |
raise_errno('sendmsg') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
372 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
373 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
374 |
return ret |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
375 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
376 |
def write (self, object buf) : |
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
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diff
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|
377 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
378 |
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
|
379 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
380 |
buf - the data to send |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
381 |
|
314d47bdd4d9
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Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
382 |
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
|
383 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
384 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
385 |
cdef void *buf_ptr |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
386 |
cdef size_t buf_len |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
387 |
cdef libc.ssize_t ret |
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 |
parse_buf(&buf_ptr, &buf_len, buf, 0) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
390 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
391 |
# send() |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
392 |
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
|
393 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
394 |
if ret < 0 : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
395 |
raise_errno('write') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
396 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
397 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
398 |
return ret |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
399 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
400 |
def writev (self, iov) : |
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 |
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
|
403 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
404 |
iov - sequence of read-buffers to transmit |
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 |
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
|
407 |
""" |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
408 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
409 |
# iov |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
410 |
cdef libc.iovec *iov_list = NULL |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
411 |
cdef size_t iov_count = 0 |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
412 |
cdef libc.iovec *iovec |
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 |
iov = tuple(iov) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
415 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
416 |
# numerb of bufs = number of iovecs |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
417 |
iov_count = len(iov) |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
418 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
419 |
# alloca the required number of iovec's |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
420 |
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
|
421 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
422 |
# fill in the iovecs |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
423 |
for i, buf in enumerate(iov) : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
424 |
iovec = &iov_list[i] |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
425 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
426 |
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
|
427 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
428 |
# sendmsg() |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
429 |
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
|
430 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
431 |
if ret < 0 : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
432 |
raise_errno('writev') |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
433 |
|
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
434 |
else : |
314d47bdd4d9
full range of send/write operations
Tero Marttila <terom@fixme.fi>
parents:
11
diff
changeset
|
435 |
return ret |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
436 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
437 |
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
|
438 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
439 |
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
|
440 |
|
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
441 |
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
|
442 |
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
|
443 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
444 |
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
|
445 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
446 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
447 |
cdef sockbuf sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
448 |
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
|
449 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
450 |
# alloc the recv buffer |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
451 |
cdef char *buf = sockbuf_init(&sb, len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
452 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
453 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
454 |
# recv() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
455 |
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
|
456 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
457 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
458 |
raise_errno('recv') |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
459 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
460 |
# truncate to correct length |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
461 |
return sockbuf_truncate(&sb, ret) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
462 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
463 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
464 |
sockbuf_deinit(&sb) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
465 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
466 |
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
|
467 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
468 |
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
|
469 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
470 |
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
|
471 |
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
|
472 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
473 |
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
|
474 |
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
|
475 |
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
|
476 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
477 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
478 |
cdef sockbuf sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
479 |
cdef libc.ssize_t ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
480 |
cdef object str |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
481 |
cdef sockaddr src_addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
482 |
|
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
483 |
# 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
|
484 |
cdef platform.sockaddr_storage ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
485 |
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
|
486 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
487 |
# alloc recv buf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
488 |
cdef char *buf = sockbuf_init(&sb, len) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
489 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
490 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
491 |
# recvfrom() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
492 |
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
|
493 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
494 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
495 |
raise_errno('recv') |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
496 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
497 |
# truncate |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
498 |
str = sockbuf_truncate(&sb, ret) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
499 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
500 |
# prep the new addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
501 |
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
|
502 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
503 |
return str, src_addr |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
504 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
505 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
506 |
sockbuf_deinit(&sb) |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
507 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
508 |
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
|
509 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
510 |
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
|
511 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
512 |
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
|
513 |
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
|
514 |
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
|
515 |
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
|
516 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
517 |
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
|
518 |
name - the source address of the message, or None |
27
12468e38227e
[socket] add sockaddr_un (still dysfunctional\!) + doc fixes
Tero Marttila <terom@fixme.fi>
parents:
24
diff
changeset
|
519 |
iovs - sequence of buffers containing the recieved data corresponding to the iov_lens. |
12468e38227e
[socket] add sockaddr_un (still dysfunctional\!) + doc fixes
Tero Marttila <terom@fixme.fi>
parents:
24
diff
changeset
|
520 |
This may contain fewer buffers than iov_lens if there was insufficient data to fill all buffers. |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
521 |
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
|
522 |
flags - recieved flags |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
523 |
""" |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
524 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
525 |
cdef platform.msghdr msg |
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
526 |
cdef sockbuf *sb_list, *sb, cmsg_sb |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
527 |
cdef libc.iovec *iovec |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
528 |
cdef size_t iov_len, i, msg_len |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
529 |
cdef libc.ssize_t ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
530 |
cdef sockaddr name = None |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
531 |
cdef object iovs = None |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
532 |
cdef object control = None |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
533 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
534 |
libc.memset(&msg, 0, sizeof(msg)) |
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
535 |
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
|
536 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
537 |
# 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
|
538 |
cdef platform.sockaddr_storage ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
539 |
|
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
540 |
# ask for a name? |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
541 |
if recv_addr : |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
542 |
msg.msg_name = <void *> &ss |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
543 |
msg.msg_namelen = sizeof(ss) |
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
544 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
545 |
try : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
546 |
# build iov? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
547 |
if iov_lens : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
548 |
# stabilize |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
549 |
iov_lens = tuple(iov_lens) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
550 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
551 |
msg.msg_iovlen = len(iov_lens) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
552 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
553 |
# 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
|
554 |
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
|
555 |
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
|
556 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
557 |
# zero out so we can cleanup |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
558 |
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
|
559 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
560 |
# build each |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
561 |
for i, iov_len in enumerate(iov_lens) : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
562 |
# the associated iovec/sockbuf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
563 |
iovec = &msg.msg_iov[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
564 |
sb = &sb_list[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
565 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
566 |
# set up the sockbuf and iovec |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
567 |
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
|
568 |
iovec.iov_len = iov_len |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
569 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
570 |
# build control buffer? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
571 |
if control_len : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
572 |
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
|
573 |
msg.msg_controllen = control_len |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
574 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
575 |
# recvmsg() |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
576 |
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
|
577 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
578 |
if ret < 0 : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
579 |
raise_errno('recvmsg') |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
580 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
581 |
# name? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
582 |
if msg.msg_name and msg.msg_namelen : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
583 |
# build a sockaddr for the name |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
584 |
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
|
585 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
586 |
# iov? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
587 |
if ret : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
588 |
assert msg.msg_iov and msg.msg_iovlen |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
589 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
590 |
iovs = [] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
591 |
msg_len = ret |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
592 |
i = 0 |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
593 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
594 |
# 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
|
595 |
while msg_len : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
596 |
# sanity-check |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
597 |
assert i < msg.msg_iovlen |
14
c44754cc1ffe
some recv magic, still no PyString_Resize, though
Tero Marttila <terom@fixme.fi>
parents:
13
diff
changeset
|
598 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
599 |
# get the associated iovec/sockbuf |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
600 |
iovec = &msg.msg_iov[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
601 |
sb = &sb_list[i] |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
602 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
603 |
# calc the size of this iov |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
604 |
# XXX: cdef |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
605 |
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
|
606 |
|
16
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
607 |
# add it as a string |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
608 |
iovs.append(sockbuf_truncate(sb, iov_len)) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
609 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
610 |
# advance |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
611 |
msg_len -= iov_len |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
612 |
i += 1 |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
613 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
614 |
# control? |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
615 |
if msg.msg_control and msg.msg_controllen : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
616 |
# build the PyString for the control message |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
617 |
control = sockbuf_truncate(&cmsg_sb, msg.msg_controllen) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
618 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
619 |
return name, iovs, control, msg.msg_flags |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
620 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
621 |
finally : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
622 |
# cleanup |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
623 |
sockbuf_deinit(&cmsg_sb) |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
624 |
|
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
625 |
for i in range(msg.msg_iovlen) : |
24ce1035b338
sockbuf stuff and fully implement recvmsg
Tero Marttila <terom@fixme.fi>
parents:
15
diff
changeset
|
626 |
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
|
627 |
|
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
|
628 |
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
|
629 |
""" |
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 |
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
|
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 |
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
|
633 |
|
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 |
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
|
635 |
""" |
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 |
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
|
638 |
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
|
639 |
|
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 |
# 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
|
641 |
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
|
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 |
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
|
644 |
# 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
|
645 |
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
|
646 |
|
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 |
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
|
648 |
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
|
649 |
|
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 |
# 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
|
651 |
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
|
652 |
|
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
|
653 |
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
|
654 |
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
|
655 |
|
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
|
656 |
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
|
657 |
""" |
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
|
658 |
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
|
659 |
|
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
|
660 |
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
|
661 |
|
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
|
662 |
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
|
663 |
|
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
|
664 |
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
|
665 |
""" |
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
|
666 |
|
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
|
667 |
# 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
|
668 |
_, 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
|
669 |
|
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
|
670 |
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
|
671 |
|
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
|
672 |
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
|
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 |
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
|
675 |
|
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 |
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
|
677 |
|
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 |
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
|
679 |
""" |
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 |
|
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 |
# 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
|
682 |
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
|
683 |
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
|
684 |
|
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 |
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
|
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 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
|
688 |
|
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 |
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
|
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 |
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
|
692 |
|
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 |
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
|
694 |
|
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 |
>>> 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
|
696 |
>>> 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
|
697 |
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
|
698 |
>>> 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
|
699 |
>>> 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
|
700 |
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
|
701 |
>>> 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
|
702 |
""" |
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 |
|
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
|
704 |
# 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
|
705 |
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
|
706 |
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
|
707 |
|
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
|
708 |
# 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
|
709 |
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
|
710 |
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
|
711 |
|
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
|
712 |
# 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
|
713 |
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
|
714 |
|
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
|
715 |
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
|
716 |
""" |
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
|
717 |
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
|
718 |
""" |
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
|
719 |
|
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
|
720 |
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
|
721 |
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
|
722 |
# 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
|
723 |
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
|
724 |